The branch, master has been updated
via 5d00fdf3da118fbbffc78b4eeda5e9cd48bf2bf1 (commit)
via 952a181f1fcf1fbcc0ff301111be4ce335f282d7 (commit)
via bda9be54eb9d3d7c6fe052903bcfa945c7f35cb8 (commit)
via ad29ef2de567d2c2a4f2ba155e93ee4a926b8a9a (commit)
via 9b9d3e5cbc59def734181a4bd40a48205651d83b (commit)
from 8e30c72834a64dfa9f984466abe0071208dc6bd9 (commit)
- Log -----------------------------------------------------------------
-----------------------------------------------------------------------
Summary of changes:
js/codemirror/lib/codemirror.js | 1525 ++++++++++++++++++++++---------
js/functions.js | 16 +-
themes/original/css/theme_right.css.php | 17 +-
themes/pmahomme/css/theme_right.css.php | 15 +
4 files changed, 1125 insertions(+), 448 deletions(-)
diff --git a/js/codemirror/lib/codemirror.js b/js/codemirror/lib/codemirror.js
index 27bec72..8e9a34e 100644
--- a/js/codemirror/lib/codemirror.js
+++ b/js/codemirror/lib/codemirror.js
@@ -1,3 +1,5 @@
+// CodeMirror v2.18
+
// All functions that need access to the editor's state live inside
// the CodeMirror function. Below that, at the bottom of the file,
// some utilities are defined.
@@ -16,18 +18,19 @@ var CodeMirror = (function() {
var targetDocument = options["document"];
// The element in which the editor lives.
var wrapper = targetDocument.createElement("div");
- wrapper.className = "CodeMirror";
+ wrapper.className = "CodeMirror" + (options.lineWrapping ? " CodeMirror-wrap" : "");
// This mess creates the base DOM structure for the editor.
wrapper.innerHTML =
'<div style="overflow: hidden; position: relative; width: 1px; height: 0px;">' + // Wraps and hides input textarea
- '<textarea style="position: absolute; width: 2px;" wrap="off"></textarea></div>' +
+ '<textarea style="position: absolute; width: 10000px;" wrap="off" ' +
+ 'autocorrect="off" autocapitalize="off"></textarea></div>' +
'<div class="CodeMirror-scroll cm-s-' + options.theme + '">' +
'<div style="position: relative">' + // Set to the height of the text, causes scrolling
- '<div style="position: absolute; height: 0; width: 0; overflow: hidden;"></div>' +
'<div style="position: relative">' + // Moved around its parent to cover visible view
'<div class="CodeMirror-gutter"><div class="CodeMirror-gutter-text"></div></div>' +
// Provides positioning relative to (visible) text origin
'<div class="CodeMirror-lines"><div style="position: relative">' +
+ '<div style="position: absolute; width: 100%; height: 0; overflow: hidden; visibility: hidden"></div>' +
'<pre class="CodeMirror-cursor"> </pre>' + // Absolutely positioned blinky cursor
'<div></div>' + // This DIV contains the actual code
'</div></div></div></div></div>';
@@ -35,21 +38,29 @@ var CodeMirror = (function() {
// I've never seen more elegant code in my life.
var inputDiv = wrapper.firstChild, input = inputDiv.firstChild,
scroller = wrapper.lastChild, code = scroller.firstChild,
- measure = code.firstChild, mover = measure.nextSibling,
- gutter = mover.firstChild, gutterText = gutter.firstChild,
- lineSpace = gutter.nextSibling.firstChild,
- cursor = lineSpace.firstChild, lineDiv = cursor.nextSibling;
+ mover = code.firstChild, gutter = mover.firstChild, gutterText = gutter.firstChild,
+ lineSpace = gutter.nextSibling.firstChild, measure = lineSpace.firstChild,
+ cursor = measure.nextSibling, lineDiv = cursor.nextSibling;
+ if (!webkit) lineSpace.draggable = true;
if (options.tabindex != null) input.tabindex = options.tabindex;
if (!options.gutter && !options.lineNumbers) gutter.style.display = "none";
+ // Check for problem with IE innerHTML not working when we have a
+ // P (or similar) parent node.
+ try { stringWidth("x"); }
+ catch (e) {
+ if (e.message.match(/unknown runtime/i))
+ e = new Error("A CodeMirror inside a P-style element does not work in Internet Explorer. (innerHTML bug)");
+ throw e;
+ }
+
// Delayed object wrap timeouts, making sure only one is active. blinker holds an interval.
var poll = new Delayed(), highlight = new Delayed(), blinker;
- // mode holds a mode API object. lines an array of Line objects
- // (see Line constructor), work an array of lines that should be
- // parsed, and history the undo history (instance of History
- // constructor).
- var mode, lines = [new Line("")], work, history = new History(), focused;
+ // mode holds a mode API object. doc is the tree of Line objects,
+ // work an array of lines that should be parsed, and history the
+ // undo history (instance of History constructor).
+ var mode, doc = new BranchChunk([new LeafChunk([new Line("")])]), work, focused;
loadMode();
// The selection. These are always maintained to point at valid
// positions. Inverted is used to remember that the user is
@@ -59,12 +70,12 @@ var CodeMirror = (function() {
// whether the user is holding shift. reducedSelection is a hack
// to get around the fact that we can't create inverted
// selections. See below.
- var shiftSelecting, reducedSelection, lastDoubleClick;
+ var shiftSelecting, reducedSelection, lastClick, lastDoubleClick, draggingText;
// Variables used by startOperation/endOperation to track what
// happened during the operation.
- var updateInput, changes, textChanged, selectionChanged, leaveInputAlone;
+ var updateInput, changes, textChanged, selectionChanged, leaveInputAlone, gutterDirty;
// Current visible range (may be bigger than the view window).
- var showingFrom = 0, showingTo = 0, lastHeight = 0, curKeyId = null;
+ var displayOffset = 0, showingFrom = 0, showingTo = 0, lastHeight = 0, curKeyId = null;
// editing will hold an object describing the things we put in the
// textarea, to help figure out whether something changed.
// bracketHighlighted is used to remember that a backet has been
@@ -76,17 +87,33 @@ var CodeMirror = (function() {
// Initialize the content.
operation(function(){setValue(options.value || ""); updateInput = false;})();
+ var history = new History();
+
+ var slowPollInterval = 2000;
+ // Gecko and Opera Linux do not reliably fire any event when starting an IME compose
+ var alwaysPollForIME = (!win && !mac) && (gecko || window.opera);
+ if (options.pollForIME && alwaysPollForIME) slowPollInterval = 50;
+ function keyMightStartIME(keyCode) {
+ return (win && ((gecko && keyCode == 229) || (window.opera && keyCode == 197))) || (mac && gecko);
+ }
// Register our event handlers.
connect(scroller, "mousedown", operation(onMouseDown));
+ connect(scroller, "dblclick", operation(onDoubleClick));
+ connect(lineSpace, "dragstart", onDragStart);
+ connect(lineSpace, "selectstart", e_preventDefault);
// Gecko browsers fire contextmenu *after* opening the menu, at
// which point we can't mess with it anymore. Context menu is
// handled in onMouseDown for Gecko.
if (!gecko) connect(scroller, "contextmenu", onContextMenu);
- connect(code, "dblclick", operation(onDblClick));
- connect(scroller, "scroll", function() {updateDisplay([]); if (options.onScroll) options.onScroll(instance);});
+ connect(scroller, "scroll", function() {
+ updateDisplay([]);
+ if (options.fixedGutter) gutter.style.left = scroller.scrollLeft + "px";
+ if (options.onScroll) options.onScroll(instance);
+ });
connect(window, "resize", function() {updateDisplay(true);});
connect(input, "keyup", operation(onKeyUp));
+ connect(input, "input", function() {fastPoll(curKeyId);});
connect(input, "keydown", operation(onKeyDown));
connect(input, "keypress", operation(onKeyPress));
connect(input, "focus", onFocus);
@@ -98,44 +125,51 @@ var CodeMirror = (function() {
connect(scroller, "paste", function(){focusInput(); fastPoll();});
connect(input, "paste", function(){fastPoll();});
connect(input, "cut", function(){fastPoll();});
-
- // IE throws unspecified error in certain cases, when
+
+ // IE throws unspecified error in certain cases, when
// trying to access activeElement before onload
var hasFocus; try { hasFocus = (targetDocument.activeElement == input); } catch(e) { }
if (hasFocus) setTimeout(onFocus, 20);
else onBlur();
- function isLine(l) {return l >= 0 && l < lines.length;}
+ function isLine(l) {return l >= 0 && l < doc.size;}
// The instance object that we'll return. Mostly calls out to
// local functions in the CodeMirror function. Some do some extra
// range checking and/or clipping. operation is used to wrap the
// call so that changes it makes are tracked, and the display is
// updated afterwards.
- var instance = {
+ var instance = wrapper.CodeMirror = {
getValue: getValue,
setValue: operation(setValue),
getSelection: getSelection,
replaceSelection: operation(replaceSelection),
focus: function(){focusInput(); onFocus(); fastPoll();},
setOption: function(option, value) {
+ var oldVal = options[option];
options[option] = value;
- if (option == "lineNumbers" || option == "gutter") gutterChanged();
- else if (option == "mode" || option == "indentUnit") loadMode();
+ if (option == "mode" || option == "indentUnit") loadMode();
else if (option == "readOnly" && value == "nocursor") input.blur();
else if (option == "theme") scroller.className = scroller.className.replace(/cm-s-\w+/, "cm-s-" + value);
+ else if (option == "lineWrapping" && oldVal != value) operation(wrappingChanged)();
+ else if (option == "pollForIME" && alwaysPollForIME) slowPollInterval = value ? 50 : 2000;
+ if (option == "lineNumbers" || option == "gutter" || option == "firstLineNumber" || option == "theme")
+ operation(gutterChanged)();
},
getOption: function(option) {return options[option];},
undo: operation(undo),
redo: operation(redo),
- indentLine: operation(function(n) {if (isLine(n)) indentLine(n, "smart");}),
+ indentLine: operation(function(n, dir) {
+ if (isLine(n)) indentLine(n, dir == null ? "smart" : dir ? "add" : "subtract");
+ }),
historySize: function() {return {undo: history.done.length, redo: history.undone.length};},
+ clearHistory: function() {history = new History();},
matchBrackets: operation(function(){matchBrackets(true);}),
- getTokenAt: function(pos) {
+ getTokenAt: operation(function(pos) {
pos = clipPos(pos);
- return lines[pos.line].getTokenAt(mode, getStateBefore(pos.line), pos.ch);
- },
+ return getLine(pos.line).getTokenAt(mode, getStateBefore(pos.line), pos.ch);
+ }),
getStateAfter: function(line) {
- line = clipLine(line == null ? lines.length - 1: line);
+ line = clipLine(line == null ? doc.size - 1: line);
return getStateBefore(line + 1);
},
cursorCoords: function(start){
@@ -145,24 +179,25 @@ var CodeMirror = (function() {
charCoords: function(pos){return pageCoords(clipPos(pos));},
coordsChar: function(coords) {
var off = eltOffset(lineSpace);
- var line = clipLine(Math.min(lines.length - 1, showingFrom + Math.floor((coords.y - off.top) / lineHeight())));
- return clipPos({line: line, ch: charFromX(clipLine(line), coords.x - off.left)});
+ return coordsChar(coords.x - off.left, coords.y - off.top);
},
getSearchCursor: function(query, pos, caseFold) {return new SearchCursor(query, pos, caseFold);},
- markText: operation(function(a, b, c){return operation(markText(a, b, c));}),
- setMarker: addGutterMarker,
- clearMarker: removeGutterMarker,
+ markText: operation(markText),
+ setBookmark: setBookmark,
+ setMarker: operation(addGutterMarker),
+ clearMarker: operation(removeGutterMarker),
setLineClass: operation(setLineClass),
+ hideLine: operation(function(h) {return setLineHidden(h, true);}),
+ showLine: operation(function(h) {return setLineHidden(h, false);}),
lineInfo: lineInfo,
- addWidget: function(pos, node, scroll, where) {
+ addWidget: function(pos, node, scroll, vert, horiz) {
pos = localCoords(clipPos(pos));
var top = pos.yBot, left = pos.x;
node.style.position = "absolute";
code.appendChild(node);
- node.style.left = left + "px";
- if (where == "over") top = pos.y;
- else if (where == "near") {
- var vspace = Math.max(scroller.offsetHeight, lines.length * lineHeight()),
+ if (vert == "over") top = pos.y;
+ else if (vert == "near") {
+ var vspace = Math.max(scroller.offsetHeight, doc.height * textHeight()),
hspace = Math.max(code.clientWidth, lineSpace.clientWidth) - paddingLeft();
if (pos.yBot + node.offsetHeight > vspace && pos.y > node.offsetHeight)
top = pos.y - node.offsetHeight;
@@ -170,12 +205,20 @@ var CodeMirror = (function() {
left = hspace - node.offsetWidth;
}
node.style.top = (top + paddingTop()) + "px";
- node.style.left = (left + paddingLeft()) + "px";
+ node.style.left = node.style.right = "";
+ if (horiz == "right") {
+ left = code.clientWidth - node.offsetWidth;
+ node.style.right = "0px";
+ } else {
+ if (horiz == "left") left = 0;
+ else if (horiz == "middle") left = (code.clientWidth - node.offsetWidth) / 2;
+ node.style.left = (left + paddingLeft()) + "px";
+ }
if (scroll)
scrollIntoView(left, top, left + node.offsetWidth, top + node.offsetHeight);
},
- lineCount: function() {return lines.length;},
+ lineCount: function() {return doc.size;},
getCursor: function(start) {
if (start == null) start = sel.inverted;
return copyPos(start ? sel.from : sel.to);
@@ -186,9 +229,9 @@ var CodeMirror = (function() {
else setCursor(line, ch);
}),
setSelection: operation(function(from, to) {setSelection(clipPos(from), clipPos(to || from));}),
- getLine: function(line) {if (isLine(line)) return lines[line].text;},
+ getLine: function(line) {if (isLine(line)) return getLine(line).text;},
setLine: operation(function(line, text) {
- if (isLine(line)) replaceRange(text, {line: line, ch: 0}, {line: line, ch: lines[line].text.length});
+ if (isLine(line)) replaceRange(text, {line: line, ch: 0}, {line: line, ch: getLine(line).text.length});
}),
removeLine: operation(function(line) {
if (isLine(line)) replaceRange("", {line: line, ch: 0}, clipPos({line: line+1, ch: 0}));
@@ -196,24 +239,41 @@ var CodeMirror = (function() {
replaceRange: operation(replaceRange),
getRange: function(from, to) {return getRange(clipPos(from), clipPos(to));},
+ coordsFromIndex: function(off) {
+ var lineNo = 0, ch;
+ doc.iter(0, doc.size, function(line) {
+ var sz = line.text.length + 1;
+ if (sz > off) { ch = off; return true; }
+ off -= sz;
+ ++lineNo;
+ });
+ return clipPos({line: lineNo, ch: ch});
+ },
+
operation: function(f){return operation(f)();},
refresh: function(){updateDisplay(true);},
getInputField: function(){return input;},
getWrapperElement: function(){return wrapper;},
- getScrollerElement: function(){return scroller;}
+ getScrollerElement: function(){return scroller;},
+ getGutterElement: function(){return gutter;}
};
+ function getLine(n) { return getLineAt(doc, n); }
+ function updateLineHeight(line, height) {
+ gutterDirty = true;
+ var diff = height - line.height;
+ for (var n = line; n; n = n.parent) n.height += diff;
+ }
+
function setValue(code) {
- history = null;
var top = {line: 0, ch: 0};
- updateLines(top, {line: lines.length - 1, ch: lines[lines.length-1].text.length},
+ updateLines(top, {line: doc.size - 1, ch: getLine(doc.size-1).text.length},
splitLines(code), top, top);
- history = new History();
+ updateInput = true;
}
function getValue(code) {
var text = [];
- for (var i = 0, l = lines.length; i < l; ++i)
- text.push(lines[i].text);
+ doc.iter(0, doc.size, function(line) { text.push(line.text); });
return text.join("\n");
}
@@ -221,17 +281,17 @@ var CodeMirror = (function() {
// Check whether this is a click in a widget
for (var n = e_target(e); n != wrapper; n = n.parentNode)
if (n.parentNode == code && n != mover) return;
- var ld = lastDoubleClick; lastDoubleClick = null;
- // First, see if this is a click in the gutter
+
+ // See if this is a click in the gutter
for (var n = e_target(e); n != wrapper; n = n.parentNode)
if (n.parentNode == gutterText) {
if (options.onGutterClick)
- options.onGutterClick(instance, indexOf(gutterText.childNodes, n) + showingFrom);
+ options.onGutterClick(instance, indexOf(gutterText.childNodes, n) + showingFrom, e);
return e_preventDefault(e);
}
var start = posFromMouse(e);
-
+
switch (e_button(e)) {
case 3:
if (gecko && !mac) onContextMenu(e);
@@ -246,18 +306,39 @@ var CodeMirror = (function() {
if (!start) {if (e_target(e) == scroller) e_preventDefault(e); return;}
if (!focused) onFocus();
- e_preventDefault(e);
- if (ld && +new Date - ld < 400) return selectLine(start.line);
- setCursor(start.line, start.ch, true);
+ var now = +new Date;
+ if (lastDoubleClick && lastDoubleClick.time > now - 400 && posEq(lastDoubleClick.pos, start)) {
+ e_preventDefault(e);
+ setTimeout(focusInput, 20);
+ return selectLine(start.line);
+ } else if (lastClick && lastClick.time > now - 400 && posEq(lastClick.pos, start)) {
+ lastDoubleClick = {time: now, pos: start};
+ e_preventDefault(e);
+ return selectWordAt(start);
+ } else { lastClick = {time: now, pos: start}; }
+
var last = start, going;
- // And then we have to see if it's a drag event, in which case
- // the dragged-over text must be selected.
- function end() {
- focusInput();
- updateInput = true;
- move(); up();
+ if (dragAndDrop && !posEq(sel.from, sel.to) &&
+ !posLess(start, sel.from) && !posLess(sel.to, start)) {
+ // Let the drag handler handle this.
+ if (webkit) lineSpace.draggable = true;
+ var up = connect(targetDocument, "mouseup", operation(function(e2) {
+ if (webkit) lineSpace.draggable = false;
+ draggingText = false;
+ up();
+ if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) {
+ e_preventDefault(e2);
+ setCursor(start.line, start.ch, true);
+ focusInput();
+ }
+ }), true);
+ draggingText = true;
+ return;
}
+ e_preventDefault(e);
+ setCursor(start.line, start.ch, true);
+
function extend(e) {
var cur = posFromMouse(e, true);
if (cur && !posEq(cur, last)) {
@@ -281,15 +362,19 @@ var CodeMirror = (function() {
var cur = posFromMouse(e);
if (cur) setSelectionUser(start, cur);
e_preventDefault(e);
- end();
+ focusInput();
+ updateInput = true;
+ move(); up();
}), true);
}
- function onDblClick(e) {
- var pos = posFromMouse(e);
- if (!pos) return;
- selectWordAt(pos);
+ function onDoubleClick(e) {
+ for (var n = e_target(e); n != wrapper; n = n.parentNode)
+ if (n.parentNode == gutterText) return e_preventDefault(e);
+ var start = posFromMouse(e);
+ if (!start) return;
+ lastDoubleClick = {time: +new Date, pos: start};
e_preventDefault(e);
- lastDoubleClick = +new Date;
+ selectWordAt(start);
}
function onDrop(e) {
e.preventDefault();
@@ -300,7 +385,13 @@ var CodeMirror = (function() {
var reader = new FileReader;
reader.onload = function() {
text[i] = reader.result;
- if (++read == n) replaceRange(text.join(""), clipPos(pos), clipPos(pos));
+ if (++read == n) {
+ pos = clipPos(pos);
+ operation(function() {
+ var end = replaceRange(text.join(""), pos, pos);
+ setSelectionUser(pos, end);
+ })();
+ }
};
reader.readAsText(file);
}
@@ -310,11 +401,24 @@ var CodeMirror = (function() {
else {
try {
var text = e.dataTransfer.getData("Text");
- if (text) replaceRange(text, pos, pos);
+ if (text) {
+ var end = replaceRange(text, pos, pos);
+ var curFrom = sel.from, curTo = sel.to;
+ setSelectionUser(pos, end);
+ if (draggingText) replaceRange("", curFrom, curTo);
+ focusInput();
+ }
}
catch(e){}
}
}
+ function onDragStart(e) {
+ var txt = getSelection();
+ // This will reset escapeElement
+ htmlEscape(txt);
+ e.dataTransfer.setDragImage(escapeElement, 0, 0);
+ e.dataTransfer.setData("Text", txt);
+ }
function onKeyDown(e) {
if (!focused) onFocus();
@@ -340,6 +444,7 @@ var CodeMirror = (function() {
if (mod && code == 90) {undo(); return e_preventDefault(e);} // ctrl-z
if (mod && ((e.shiftKey && code == 90) || code == 89)) {redo(); return e_preventDefault(e);} // ctrl-shift-z, ctrl-y
}
+ if (code == 36) { if (options.smartHome) { smartHome(); return e_preventDefault(e); } }
// Key id to use in the movementKeys map. We also pass it to
// fastPoll in order to 'self learn'. We need this because
@@ -347,15 +452,19 @@ var CodeMirror = (function() {
// its start when it is inverted and a movement key is pressed
// (and later restore it again), shouldn't be used for
// non-movement keys.
- curKeyId = (mod ? "c" : "") + code;
- if (sel.inverted && movementKeys.hasOwnProperty(curKeyId)) {
+ curKeyId = (mod ? "c" : "") + (e.altKey ? "a" : "") + code;
+ if (sel.inverted && movementKeys[curKeyId] === true) {
var range = selRange(input);
if (range) {
reducedSelection = {anchor: range.start};
setSelRange(input, range.start, range.start);
}
}
+ // Don't save the key as a movementkey unless it had a modifier
+ if (!mod && !e.altKey) curKeyId = null;
fastPoll(curKeyId);
+
+ if (options.pollForIME && keyMightStartIME(code)) slowPollInterval = 50;
}
function onKeyUp(e) {
if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return;
@@ -364,6 +473,8 @@ var CodeMirror = (function() {
updateInput = true;
}
if (e.keyCode == 16) shiftSelecting = null;
+
+ if (slowPollInterval < 2000 && !alwaysPollForIME) slowPollInterval = 2000;
}
function onKeyPress(e) {
if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return;
@@ -406,7 +517,7 @@ var CodeMirror = (function() {
function updateLines(from, to, newText, selFrom, selTo) {
if (history) {
var old = [];
- for (var i = from.line, e = to.line + 1; i < e; ++i) old.push(lines[i].text);
+ doc.iter(from.line, to.line + 1, function(line) { old.push(line.text); });
history.addChange(from.line, newText.length, old);
while (history.done.length > options.undoDepth) history.done.shift();
}
@@ -416,11 +527,11 @@ var CodeMirror = (function() {
var change = from.pop();
if (change) {
var replaced = [], end = change.start + change.added;
- for (var i = change.start; i < end; ++i) replaced.push(lines[i].text);
+ doc.iter(change.start, end, function(line) { replaced.push(line.text); });
to.push({start: change.start, added: change.old.length, old: replaced});
var pos = clipPos({line: change.start + change.old.length - 1,
ch: editEnd(replaced[replaced.length-1], change.old[change.old.length-1])});
- updateLinesNoUndo({line: change.start, ch: 0}, {line: end - 1, ch: lines[end-1].text.length}, change.old, pos, pos);
+ updateLinesNoUndo({line: change.start, ch: 0}, {line: end - 1, ch: getLine(end-1).text.length}, change.old, pos, pos);
updateInput = true;
}
}
@@ -429,51 +540,66 @@ var CodeMirror = (function() {
function updateLinesNoUndo(from, to, newText, selFrom, selTo) {
var recomputeMaxLength = false, maxLineLength = maxLine.length;
- for (var i = from.line; i <= to.line; ++i) {
- if (lines[i].text.length == maxLineLength) {recomputeMaxLength = true; break;}
- }
+ if (!options.lineWrapping)
+ doc.iter(from.line, to.line, function(line) {
+ if (line.text.length == maxLineLength) {recomputeMaxLength = true; return true;}
+ });
- var nlines = to.line - from.line, firstLine = lines[from.line], lastLine = lines[to.line];
+ var nlines = to.line - from.line, firstLine = getLine(from.line), lastLine = getLine(to.line);
// First adjust the line structure, taking some care to leave highlighting intact.
if (firstLine == lastLine) {
if (newText.length == 1)
firstLine.replace(from.ch, to.ch, newText[0]);
else {
lastLine = firstLine.split(to.ch, newText[newText.length-1]);
- var spliceargs = [from.line + 1, nlines];
- firstLine.replace(from.ch, firstLine.text.length, newText[0]);
- for (var i = 1, e = newText.length - 1; i < e; ++i) spliceargs.push(new Line(newText[i]));
- spliceargs.push(lastLine);
- lines.splice.apply(lines, spliceargs);
+ firstLine.replace(from.ch, null, newText[0]);
+ firstLine.fixMarkEnds(lastLine);
+ var added = [];
+ for (var i = 1, e = newText.length - 1; i < e; ++i)
+ added.push(Line.inheritMarks(newText[i], firstLine));
+ added.push(lastLine);
+ doc.insert(from.line + 1, added);
}
}
else if (newText.length == 1) {
- firstLine.replace(from.ch, firstLine.text.length, newText[0] + lastLine.text.slice(to.ch));
- lines.splice(from.line + 1, nlines);
+ firstLine.replace(from.ch, null, newText[0]);
+ lastLine.replace(null, to.ch, "");
+ firstLine.append(lastLine);
+ doc.remove(from.line + 1, nlines);
}
else {
- var spliceargs = [from.line + 1, nlines - 1];
- firstLine.replace(from.ch, firstLine.text.length, newText[0]);
- lastLine.replace(0, to.ch, newText[newText.length-1]);
- for (var i = 1, e = newText.length - 1; i < e; ++i) spliceargs.push(new Line(newText[i]));
- lines.splice.apply(lines, spliceargs);
- }
-
-
- for (var i = from.line, e = i + newText.length; i < e; ++i) {
- var l = lines[i].text;
- if (l.length > maxLineLength) {
- maxLine = l; maxLineLength = l.length; maxWidth = null;
- recomputeMaxLength = false;
- }
- }
- if (recomputeMaxLength) {
- maxLineLength = 0; maxLine = ""; maxWidth = null;
- for (var i = 0, e = lines.length; i < e; ++i) {
- var l = lines[i].text;
+ var added = [];
+ firstLine.replace(from.ch, null, newText[0]);
+ lastLine.replace(null, to.ch, newText[newText.length-1]);
+ firstLine.fixMarkEnds(lastLine);
+ for (var i = 1, e = newText.length - 1; i < e; ++i)
+ added.push(Line.inheritMarks(newText[i], firstLine));
+ if (nlines > 1) doc.remove(from.line + 1, nlines - 1);
+ doc.insert(from.line + 1, added);
+ }
+ if (options.lineWrapping) {
+ var perLine = scroller.clientWidth / charWidth() - 3;
+ doc.iter(from.line, from.line + newText.length, function(line) {
+ if (line.hidden) return;
+ var guess = Math.ceil(line.text.length / perLine) || 1;
+ if (guess != line.height) updateLineHeight(line, guess);
+ });
+ } else {
+ doc.iter(from.line, i + newText.length, function(line) {
+ var l = line.text;
if (l.length > maxLineLength) {
- maxLineLength = l.length; maxLine = l;
+ maxLine = l; maxLineLength = l.length; maxWidth = null;
+ recomputeMaxLength = false;
}
+ });
+ if (recomputeMaxLength) {
+ maxLineLength = 0; maxLine = ""; maxWidth = null;
+ doc.iter(0, doc.size, function(line) {
+ var l = line.text;
+ if (l.length > maxLineLength) {
+ maxLineLength = l.length; maxLine = l;
+ }
+ });
}
}
@@ -485,12 +611,9 @@ var CodeMirror = (function() {
if (task < from.line) newWork.push(task);
else if (task > to.line) newWork.push(task + lendiff);
}
- if (newText.length < 5) {
- highlightLines(from.line, from.line + newText.length);
- newWork.push(from.line + newText.length);
- } else {
- newWork.push(from.line);
- }
+ var hlEnd = from.line + Math.min(newText.length, 500);
+ highlightLines(from.line, hlEnd);
+ newWork.push(hlEnd);
work = newWork;
startWorker(100);
// Remember that these lines changed, for updating the display
@@ -502,7 +625,7 @@ var CodeMirror = (function() {
setSelection(selFrom, selTo, updateLine(sel.from.line), updateLine(sel.to.line));
// Make sure the scroll-size div has the correct height.
- code.style.height = (lines.length * lineHeight() + 2 * paddingTop()) + "px";
+ code.style.height = (doc.height * textHeight() + 2 * paddingTop()) + "px";
}
function replaceRange(code, from, to) {
@@ -540,10 +663,10 @@ var CodeMirror = (function() {
function getRange(from, to) {
var l1 = from.line, l2 = to.line;
- if (l1 == l2) return lines[l1].text.slice(from.ch, to.ch);
- var code = [lines[l1].text.slice(from.ch)];
- for (var i = l1 + 1; i < l2; ++i) code.push(lines[i].text);
- code.push(lines[l2].text.slice(0, to.ch));
+ if (l1 == l2) return getLine(l1).text.slice(from.ch, to.ch);
+ var code = [getLine(l1).text.slice(from.ch)];
+ doc.iter(l1 + 1, l2, function(line) { code.push(line.text); });
+ code.push(getLine(l2).text.slice(0, to.ch));
return code.join("\n");
}
function getSelection() {
@@ -553,7 +676,7 @@ var CodeMirror = (function() {
var pollingFast = false; // Ensures slowPoll doesn't cancel fastPoll
function slowPoll() {
if (pollingFast) return;
- poll.set(2000, function() {
+ poll.set(slowPollInterval, function() {
startOperation();
readInput();
if (focused) slowPoll();
@@ -566,7 +689,10 @@ var CodeMirror = (function() {
function p() {
startOperation();
var changed = readInput();
- if (changed == "moved" && keyId) movementKeys[keyId] = true;
+ if (changed && keyId) {
+ if (changed == "moved" && movementKeys[keyId] == null) movementKeys[keyId] = true;
+ if (changed == "changed") movementKeys[keyId] = false;
+ }
if (!changed && !missed) {missed = true; poll.set(80, p);}
else {pollingFast = false; slowPoll();}
endOperation();
@@ -648,14 +774,16 @@ var CodeMirror = (function() {
// editor state.
function prepareInput() {
var text = [];
- var from = Math.max(0, sel.from.line - 1), to = Math.min(lines.length, sel.to.line + 2);
- for (var i = from; i < to; ++i) text.push(lines[i].text);
+ var from = Math.max(0, sel.from.line - 1), to = Math.min(doc.size, sel.to.line + 2);
+ doc.iter(from, to, function(line) { text.push(line.text); });
text = input.value = text.join(lineSep);
var startch = sel.from.ch, endch = sel.to.ch;
- for (var i = from; i < sel.from.line; ++i)
- startch += lineSep.length + lines[i].text.length;
- for (var i = from; i < sel.to.line; ++i)
- endch += lineSep.length + lines[i].text.length;
+ doc.iter(from, sel.from.line, function(line) {
+ startch += lineSep.length + line.text.length;
+ });
+ doc.iter(from, sel.to.line, function(line) {
+ endch += lineSep.length + line.text.length;
+ });
editing = {text: text, from: from, to: to, start: startch, end: endch};
setSelRange(input, startch, reducedSelection ? startch : endch);
}
@@ -663,21 +791,29 @@ var CodeMirror = (function() {
if (options.readOnly != "nocursor") input.focus();
}
+ function scrollEditorIntoView() {
+ if (!cursor.getBoundingClientRect) return;
+ var rect = cursor.getBoundingClientRect();
+ var winH = window.innerHeight || Math.max(document.body.offsetHeight, document.documentElement.offsetHeight);
+ if (rect.top < 0 || rect.bottom > winH) cursor.scrollIntoView();
+ }
function scrollCursorIntoView() {
var cursor = localCoords(sel.inverted ? sel.from : sel.to);
- return scrollIntoView(cursor.x, cursor.y, cursor.x, cursor.yBot);
+ var x = options.lineWrapping ? Math.min(cursor.x, lineSpace.offsetWidth) : cursor.x;
+ return scrollIntoView(x, cursor.y, x, cursor.yBot);
}
function scrollIntoView(x1, y1, x2, y2) {
- var pl = paddingLeft(), pt = paddingTop(), lh = lineHeight();
+ var pl = paddingLeft(), pt = paddingTop(), lh = textHeight();
y1 += pt; y2 += pt; x1 += pl; x2 += pl;
var screen = scroller.clientHeight, screentop = scroller.scrollTop, scrolled = false, result = true;
if (y1 < screentop) {scroller.scrollTop = Math.max(0, y1 - 2*lh); scrolled = true;}
else if (y2 > screentop + screen) {scroller.scrollTop = y2 + lh - screen; scrolled = true;}
var screenw = scroller.clientWidth, screenleft = scroller.scrollLeft;
- if (x1 < screenleft) {
+ var gutterw = options.fixedGutter ? gutter.clientWidth : 0;
+ if (x1 < screenleft + gutterw) {
if (x1 < 50) x1 = 0;
- scroller.scrollLeft = Math.max(0, x1 - 10);
+ scroller.scrollLeft = Math.max(0, x1 - 10 - gutterw);
scrolled = true;
}
else if (x2 > screenw + screenleft) {
@@ -690,32 +826,103 @@ var CodeMirror = (function() {
}
function visibleLines() {
- var lh = lineHeight(), top = scroller.scrollTop - paddingTop();
- return {from: Math.min(lines.length, Math.max(0, Math.floor(top / lh))),
- to: Math.min(lines.length, Math.ceil((top + scroller.clientHeight) / lh))};
+ var lh = textHeight(), top = scroller.scrollTop - paddingTop();
+ var from_height = Math.max(0, Math.floor(top / lh));
+ var to_height = Math.ceil((top + scroller.clientHeight) / lh);
+ return {from: lineAtHeight(doc, from_height),
+ to: lineAtHeight(doc, to_height)};
}
// Uses a set of changes plus the current scroll position to
// determine which DOM updates have to be made, and makes the
// updates.
function updateDisplay(changes) {
if (!scroller.clientWidth) {
- showingFrom = showingTo = 0;
+ showingFrom = showingTo = displayOffset = 0;
return;
}
- // First create a range of theoretically intact lines, and punch
- // holes in that using the change info.
- var intact = changes === true ? [] : [{from: showingFrom, to: showingTo, domStart: 0}];
+ // Compute the new visible window
+ var visible = visibleLines();
+ // Bail out if the visible area is already rendered and nothing changed.
+ if (changes !== true && changes.length == 0 && visible.from >= showingFrom && visible.to <= showingTo) return;
+ var from = Math.max(visible.from - 100, 0), to = Math.min(doc.size, visible.to + 100);
+ if (showingFrom < from && from - showingFrom < 20) from = showingFrom;
+ if (showingTo > to && showingTo - to < 20) to = Math.min(doc.size, showingTo);
+
+ // Create a range of theoretically intact lines, and punch holes
+ // in that using the change info.
+ var intact = changes === true ? [] :
+ computeIntact([{from: showingFrom, to: showingTo, domStart: 0}], changes);
+ // Clip off the parts that won't be visible
+ var intactLines = 0;
+ for (var i = 0; i < intact.length; ++i) {
+ var range = intact[i];
+ if (range.from < from) {range.domStart += (from - range.from); range.from = from;}
+ if (range.to > to) range.to = to;
+ if (range.from >= range.to) intact.splice(i--, 1);
+ else intactLines += range.to - range.from;
+ }
+ if (intactLines == to - from) return;
+ intact.sort(function(a, b) {return a.domStart - b.domStart;});
+
+ var th = textHeight(), gutterDisplay = gutter.style.display;
+ lineDiv.style.display = gutter.style.display = "none";
+ patchDisplay(from, to, intact);
+ lineDiv.style.display = "";
+
+ // Position the mover div to align with the lines it's supposed
+ // to be showing (which will cover the visible display)
+ var different = from != showingFrom || to != showingTo || lastHeight != scroller.clientHeight;
+ if (different) lastHeight = scroller.clientHeight;
+ showingFrom = from; showingTo = to;
+ displayOffset = heightAtLine(doc, from);
+ mover.style.top = (displayOffset * th) + "px";
+ code.style.height = (doc.height * th + 2 * paddingTop()) + "px";
+
+ // Since this is all rather error prone, it is honoured with the
+ // only assertion in the whole file.
+ if (lineDiv.childNodes.length != showingTo - showingFrom)
+ throw new Error("BAD PATCH! " + JSON.stringify(intact) + " size=" + (showingTo - showingFrom) +
+ " nodes=" + lineDiv.childNodes.length);
+
+ if (options.lineWrapping) {
+ maxWidth = scroller.clientWidth;
+ var curNode = lineDiv.firstChild;
+ doc.iter(showingFrom, showingTo, function(line) {
+ if (!line.hidden) {
+ var height = Math.round(curNode.offsetHeight / th) || 1;
+ if (line.height != height) {updateLineHeight(line, height); gutterDirty = true;}
+ }
+ curNode = curNode.nextSibling;
+ });
+ } else {
+ if (maxWidth == null) maxWidth = stringWidth(maxLine);
+ if (maxWidth > scroller.clientWidth) {
+ lineSpace.style.width = maxWidth + "px";
+ // Needed to prevent odd wrapping/hiding of widgets placed in here.
+ code.style.width = "";
+ code.style.width = scroller.scrollWidth + "px";
+ } else {
+ lineSpace.style.width = code.style.width = "";
+ }
+ }
+ gutter.style.display = gutterDisplay;
+ if (different || gutterDirty) updateGutter();
+ updateCursor();
+ }
+
+ function computeIntact(intact, changes) {
for (var i = 0, l = changes.length || 0; i < l; ++i) {
var change = changes[i], intact2 = [], diff = change.diff || 0;
for (var j = 0, l2 = intact.length; j < l2; ++j) {
var range = intact[j];
- if (change.to <= range.from)
- intact2.push({from: range.from + diff, to: range.to + diff, domStart: range.domStart});
- else if (range.to <= change.from)
+ if (change.to <= range.from && change.diff)
+ intact2.push({from: range.from + diff, to: range.to + diff,
+ domStart: range.domStart});
+ else if (change.to <= range.from || change.from >= range.to)
intact2.push(range);
else {
if (change.from > range.from)
- intact2.push({from: range.from, to: change.from, domStart: range.domStart})
+ intact2.push({from: range.from, to: change.from, domStart: range.domStart});
if (change.to < range.to)
intact2.push({from: change.to + diff, to: range.to + diff,
domStart: range.domStart + (change.to - range.from)});
@@ -723,158 +930,90 @@ var CodeMirror = (function() {
}
intact = intact2;
}
+ return intact;
+ }
- // Then, determine which lines we'd want to see, and which
- // updates have to be made to get there.
- var visible = visibleLines();
- var from = Math.min(showingFrom, Math.max(visible.from - 3, 0)),
- to = Math.min(lines.length, Math.max(showingTo, visible.to + 3)),
- updates = [], domPos = 0, domEnd = showingTo - showingFrom, pos = from, changedLines = 0;
-
- for (var i = 0, l = intact.length; i < l; ++i) {
- var range = intact[i];
- if (range.to <= from) continue;
- if (range.from >= to) break;
- if (range.domStart > domPos || range.from > pos) {
- updates.push({from: pos, to: range.from, domSize: range.domStart - domPos, domStart: domPos});
- changedLines += range.from - pos;
+ function patchDisplay(from, to, intact) {
+ // The first pass removes the DOM nodes that aren't intact.
+ if (!intact.length) lineDiv.innerHTML = "";
+ else {
+ function killNode(node) {
+ var tmp = node.nextSibling;
+ node.parentNode.removeChild(node);
+ return tmp;
}
- pos = range.to;
- domPos = range.domStart + (range.to - range.from);
- }
- if (domPos != domEnd || pos != to) {
- changedLines += Math.abs(to - pos);
- updates.push({from: pos, to: to, domSize: domEnd - domPos, domStart: domPos});
- }
-
- if (!updates.length) return;
- lineDiv.style.display = "none";
- // If more than 30% of the screen needs update, just do a full
- // redraw (which is quicker than patching)
- if (changedLines > (visible.to - visible.from) * .3)
- refreshDisplay(from = Math.max(visible.from - 10, 0), to = Math.min(visible.to + 7, lines.length));
- // Otherwise, only update the stuff that needs updating.
- else
- patchDisplay(updates);
- lineDiv.style.display = "";
-
- // Position the mover div to align with the lines it's supposed
- // to be showing (which will cover the visible display)
- var different = from != showingFrom || to != showingTo || lastHeight != scroller.clientHeight;
- showingFrom = from; showingTo = to;
- mover.style.top = (from * lineHeight()) + "px";
- if (different) {
- lastHeight = scroller.clientHeight;
- code.style.height = (lines.length * lineHeight() + 2 * paddingTop()) + "px";
- updateGutter();
- }
-
- if (maxWidth == null) maxWidth = stringWidth(maxLine);
- if (maxWidth > scroller.clientWidth) {
- lineSpace.style.width = maxWidth + "px";
- // Needed to prevent odd wrapping/hiding of widgets placed in here.
- code.style.width = "";
- code.style.width = scroller.scrollWidth + "px";
- } else {
- lineSpace.style.width = code.style.width = "";
+ var domPos = 0, curNode = lineDiv.firstChild, n;
+ for (var i = 0; i < intact.length; ++i) {
+ var cur = intact[i];
+ while (cur.domStart > domPos) {curNode = killNode(curNode); domPos++;}
+ for (var j = 0, e = cur.to - cur.from; j < e; ++j) {curNode = curNode.nextSibling; domPos++;}
+ }
+ while (curNode) curNode = killNode(curNode);
}
-
- // Since this is all rather error prone, it is honoured with the
- // only assertion in the whole file.
- if (lineDiv.childNodes.length != showingTo - showingFrom)
- throw new Error("BAD PATCH! " + JSON.stringify(updates) + " size=" + (showingTo - showingFrom) +
- " nodes=" + lineDiv.childNodes.length);
- updateCursor();
- }
-
- function refreshDisplay(from, to) {
- var html = [], start = {line: from, ch: 0}, inSel = posLess(sel.from, start) && !posLess(sel.to, start);
- for (var i = from; i < to; ++i) {
+ // This pass fills in the lines that actually changed.
+ var nextIntact = intact.shift(), curNode = lineDiv.firstChild, j = from;
+ var sfrom = sel.from.line, sto = sel.to.line, inSel = sfrom < from && sto >= from;
+ var scratch = targetDocument.createElement("div"), newElt;
+ doc.iter(from, to, function(line) {
var ch1 = null, ch2 = null;
if (inSel) {
ch1 = 0;
- if (sel.to.line == i) {inSel = false; ch2 = sel.to.ch;}
- }
- else if (sel.from.line == i) {
- if (sel.to.line == i) {ch1 = sel.from.ch; ch2 = sel.to.ch;}
+ if (sto == j) {inSel = false; ch2 = sel.to.ch;}
+ } else if (sfrom == j) {
+ if (sto == j) {ch1 = sel.from.ch; ch2 = sel.to.ch;}
else {inSel = true; ch1 = sel.from.ch;}
}
- html.push(lines[i].getHTML(ch1, ch2, true));
- }
- lineDiv.innerHTML = html.join("");
- }
- function patchDisplay(updates) {
- // Slightly different algorithm for IE (badInnerHTML), since
- // there .innerHTML on PRE nodes is dumb, and discards
- // whitespace.
- var sfrom = sel.from.line, sto = sel.to.line, off = 0,
- scratch = badInnerHTML && targetDocument.createElement("div");
- for (var i = 0, e = updates.length; i < e; ++i) {
- var rec = updates[i];
- var extra = (rec.to - rec.from) - rec.domSize;
- var nodeAfter = lineDiv.childNodes[rec.domStart + rec.domSize + off] || null;
- if (badInnerHTML)
- for (var j = Math.max(-extra, rec.domSize); j > 0; --j)
- lineDiv.removeChild(nodeAfter ? nodeAfter.previousSibling : lineDiv.lastChild);
- else if (extra) {
- for (var j = Math.max(0, extra); j > 0; --j)
- lineDiv.insertBefore(targetDocument.createElement("pre"), nodeAfter);
- for (var j = Math.max(0, -extra); j > 0; --j)
- lineDiv.removeChild(nodeAfter ? nodeAfter.previousSibling : lineDiv.lastChild);
- }
- var node = lineDiv.childNodes[rec.domStart + off], inSel = sfrom < rec.from && sto >= rec.from;
- for (var j = rec.from; j < rec.to; ++j) {
- var ch1 = null, ch2 = null;
- if (inSel) {
- ch1 = 0;
- if (sto == j) {inSel = false; ch2 = sel.to.ch;}
- }
- else if (sfrom == j) {
- if (sto == j) {ch1 = sel.from.ch; ch2 = sel.to.ch;}
- else {inSel = true; ch1 = sel.from.ch;}
- }
- if (badInnerHTML) {
- scratch.innerHTML = lines[j].getHTML(ch1, ch2, true);
- lineDiv.insertBefore(scratch.firstChild, nodeAfter);
- }
- else {
- node.innerHTML = lines[j].getHTML(ch1, ch2, false);
- node.className = lines[j].className || "";
- node = node.nextSibling;
- }
+ if (nextIntact && nextIntact.to == j) nextIntact = intact.shift();
+ if (!nextIntact || nextIntact.from > j) {
+ if (line.hidden) scratch.innerHTML = "<pre></pre>";
+ else scratch.innerHTML = line.getHTML(ch1, ch2, true);
+ lineDiv.insertBefore(scratch.firstChild, curNode);
+ } else {
+ curNode = curNode.nextSibling;
}
- off += extra;
- }
+ ++j;
+ });
}
function updateGutter() {
if (!options.gutter && !options.lineNumbers) return;
var hText = mover.offsetHeight, hEditor = scroller.clientHeight;
gutter.style.height = (hText - hEditor < 2 ? hEditor : hText) + "px";
- var html = [];
- for (var i = showingFrom; i < Math.max(showingTo, showingFrom + 1); ++i) {
- var marker = lines[i].gutterMarker;
- var text = options.lineNumbers ? i + options.firstLineNumber : null;
- if (marker && marker.text)
- text = marker.text.replace("%N%", text != null ? text : "");
- else if (text == null)
- text = "\u00a0";
- html.push((marker && marker.style ? '<pre class="' + marker.style + '">' : "<pre>"), text, "</pre>");
- }
+ var html = [], i = showingFrom;
+ doc.iter(showingFrom, Math.max(showingTo, showingFrom + 1), function(line) {
+ if (line.hidden) {
+ html.push("<pre></pre>");
+ } else {
+ var marker = line.gutterMarker;
+ var text = options.lineNumbers ? i + options.firstLineNumber : null;
+ if (marker && marker.text)
+ text = marker.text.replace("%N%", text != null ? text : "");
+ else if (text == null)
+ text = "\u00a0";
+ html.push((marker && marker.style ? '<pre class="' + marker.style + '">' : "<pre>"), text);
+ for (var j = 1; j < line.height; ++j) html.push("<br> ");
+ html.push("</pre>");
+ }
+ ++i;
+ });
gutter.style.display = "none";
gutterText.innerHTML = html.join("");
- var minwidth = String(lines.length).length, firstNode = gutterText.firstChild, val = eltText(firstNode), pad = "";
+ var minwidth = String(doc.size).length, firstNode = gutterText.firstChild, val = eltText(firstNode), pad = "";
while (val.length + pad.length < minwidth) pad += "\u00a0";
if (pad) firstNode.insertBefore(targetDocument.createTextNode(pad), firstNode.firstChild);
gutter.style.display = "";
lineSpace.style.marginLeft = gutter.offsetWidth + "px";
+ gutterDirty = false;
}
function updateCursor() {
- var head = sel.inverted ? sel.from : sel.to, lh = lineHeight();
- var x = charX(head.line, head.ch) + "px", y = (head.line - showingFrom) * lh + "px";
- inputDiv.style.top = (head.line * lh - scroller.scrollTop) + "px";
+ var head = sel.inverted ? sel.from : sel.to, lh = textHeight();
+ var pos = localCoords(head, true);
+ var globalY = pos.y + displayOffset * textHeight();
+ inputDiv.style.top = Math.max(Math.min(globalY, scroller.offsetHeight), 0) + "px";
+ inputDiv.style.left = (pos.x - scroller.scrollLeft) + "px";
if (posEq(sel.from, sel.to)) {
- cursor.style.top = y; cursor.style.left = x;
+ cursor.style.top = pos.y + "px";
+ cursor.style.left = (options.lineWrapping ? Math.min(pos.x, lineSpace.offsetWidth) : pos.x) + "px";
cursor.style.display = "";
}
else cursor.style.display = "none";
@@ -892,9 +1031,14 @@ var CodeMirror = (function() {
// updateLines, since they have to be expressed in the line
// numbers before the update.
function setSelection(from, to, oldFrom, oldTo) {
+ if (oldFrom == null) {oldFrom = sel.from.line; oldTo = sel.to.line;}
if (posEq(sel.from, from) && posEq(sel.to, to)) return;
if (posLess(to, from)) {var tmp = to; to = from; from = tmp;}
+ // Skip over hidden lines.
+ if (from.line != oldFrom) from = skipHidden(from, oldFrom, sel.from.ch);
+ if (to.line != oldTo) to = skipHidden(to, oldTo, sel.to.ch);
+
if (posEq(from, to)) sel.inverted = false;
else if (posEq(from, sel.to)) sel.inverted = false;
else if (posEq(to, sel.from)) sel.inverted = true;
@@ -902,7 +1046,6 @@ var CodeMirror = (function() {
// Some ugly logic used to only mark the lines that actually did
// see a change in selection as changed, rather than the whole
// selected range.
- if (oldFrom == null) {oldFrom = sel.from.line; oldTo = sel.to.line;}
if (posEq(from, to)) {
if (!posEq(sel.from, sel.to))
changes.push({from: oldFrom, to: oldTo + 1});
@@ -927,42 +1070,61 @@ var CodeMirror = (function() {
sel.from = from; sel.to = to;
selectionChanged = true;
}
+ function skipHidden(pos, oldLine, oldCh) {
+ function getNonHidden(dir) {
+ var lNo = pos.line + dir, end = dir == 1 ? doc.size : -1;
+ while (lNo != end) {
+ var line = getLine(lNo);
+ if (!line.hidden) {
+ var ch = pos.ch;
+ if (ch > oldCh || ch > line.text.length) ch = line.text.length;
+ return {line: lNo, ch: ch};
+ }
+ lNo += dir;
+ }
+ }
+ var line = getLine(pos.line);
+ if (!line.hidden) return pos;
+ if (pos.line >= oldLine) return getNonHidden(1) || getNonHidden(-1);
+ else return getNonHidden(-1) || getNonHidden(1);
+ }
function setCursor(line, ch, user) {
var pos = clipPos({line: line, ch: ch || 0});
(user ? setSelectionUser : setSelection)(pos, pos);
}
- function clipLine(n) {return Math.max(0, Math.min(n, lines.length-1));}
+ function clipLine(n) {return Math.max(0, Math.min(n, doc.size-1));}
function clipPos(pos) {
if (pos.line < 0) return {line: 0, ch: 0};
- if (pos.line >= lines.length) return {line: lines.length-1, ch: lines[lines.length-1].text.length};
- var ch = pos.ch, linelen = lines[pos.line].text.length;
+ if (pos.line >= doc.size) return {line: doc.size-1, ch: getLine(doc.size-1).text.length};
+ var ch = pos.ch, linelen = getLine(pos.line).text.length;
if (ch == null || ch > linelen) return {line: pos.line, ch: linelen};
else if (ch < 0) return {line: pos.line, ch: 0};
else return pos;
}
function scrollPage(down) {
- var linesPerPage = Math.floor(scroller.clientHeight / lineHeight()), head = sel.inverted ? sel.from : sel.to;
- setCursor(head.line + (Math.max(linesPerPage - 1, 1) * (down ? 1 : -1)), head.ch, true);
+ var linesPerPage = Math.floor(scroller.clientHeight / textHeight()), head = sel.inverted ? sel.from : sel.to;
+ var target = heightAtLine(doc, head.line) + (Math.max(linesPerPage - 1, 1) * (down ? 1 : -1));
+ setCursor(lineAtHeight(doc, target), head.ch, true);
}
function scrollEnd(top) {
- var pos = top ? {line: 0, ch: 0} : {line: lines.length - 1, ch: lines[lines.length-1].text.length};
+ var pos = top ? {line: 0, ch: 0} : {line: doc.size - 1, ch: getLine(doc.size-1).text.length};
setSelectionUser(pos, pos);
}
function selectAll() {
- var endLine = lines.length - 1;
- setSelection({line: 0, ch: 0}, {line: endLine, ch: lines[endLine].text.length});
+ var endLine = doc.size - 1;
+ setSelection({line: 0, ch: 0}, {line: endLine, ch: getLine(endLine).text.length});
}
function selectWordAt(pos) {
- var line = lines[pos.line].text;
+ var line = getLine(pos.line).text;
var start = pos.ch, end = pos.ch;
while (start > 0 && /\w/.test(line.charAt(start - 1))) --start;
while (end < line.length && /\w/.test(line.charAt(end))) ++end;
setSelectionUser({line: pos.line, ch: start}, {line: pos.line, ch: end});
}
function selectLine(line) {
- setSelectionUser({line: line, ch: 0}, {line: line, ch: lines[line].text.length});
+ setSelectionUser({line: line, ch: 0}, {line: line, ch: getLine(line).text.length});
}
function handleEnter() {
replaceSelection("\n", "end");
@@ -994,6 +1156,10 @@ var CodeMirror = (function() {
}
return true;
}
+ function smartHome() {
+ var firstNonWS = Math.max(0, getLine(sel.from.line).text.search(/\S/));
+ setCursor(sel.from.line, sel.from.ch <= firstNonWS && sel.from.ch ? 0 : firstNonWS, true);
+ }
function indentLine(n, how) {
if (how == "smart") {
@@ -1001,9 +1167,9 @@ var CodeMirror = (function() {
else var state = getStateBefore(n);
}
- var line = lines[n], curSpace = line.indentation(), curSpaceString = line.text.match(/^\s*/)[0], indentation;
+ var line = getLine(n), curSpace = line.indentation(), curSpaceString = line.text.match(/^\s*/)[0], indentation;
if (how == "prev") {
- if (n) indentation = lines[n-1].indentation();
+ if (n) indentation = getLine(n-1).indentation();
else indentation = 0;
}
else if (how == "smart") indentation = mode.indent(state, line.text.slice(curSpaceString.length));
@@ -1028,87 +1194,148 @@ var CodeMirror = (function() {
function loadMode() {
mode = CodeMirror.getMode(options, options.mode);
- for (var i = 0, l = lines.length; i < l; ++i)
- lines[i].stateAfter = null;
+ doc.iter(0, doc.size, function(line) { line.stateAfter = null; });
work = [0];
startWorker();
}
function gutterChanged() {
var visible = options.gutter || options.lineNumbers;
gutter.style.display = visible ? "" : "none";
- if (visible) updateGutter();
+ if (visible) gutterDirty = true;
else lineDiv.parentNode.style.marginLeft = 0;
}
+ function wrappingChanged(from, to) {
+ if (options.lineWrapping) {
+ wrapper.className += " CodeMirror-wrap";
+ var perLine = scroller.clientWidth / charWidth() - 3;
+ doc.iter(0, doc.size, function(line) {
+ if (line.hidden) return;
+ var guess = Math.ceil(line.text.length / perLine) || 1;
+ if (guess != 1) updateLineHeight(line, guess);
+ });
+ lineSpace.style.width = code.style.width = "";
+ } else {
+ wrapper.className = wrapper.className.replace(" CodeMirror-wrap", "");
+ maxWidth = null; maxLine = "";
+ doc.iter(0, doc.size, function(line) {
+ if (line.height != 1 && !line.hidden) updateLineHeight(line, 1);
+ if (line.text.length > maxLine.length) maxLine = line.text;
+ });
+ }
+ changes.push({from: 0, to: doc.size});
+ }
+
+ function TextMarker() { this.set = []; }
+ TextMarker.prototype.clear = operation(function() {
+ for (var i = 0, e = this.set.length; i < e; ++i) {
+ var mk = this.set[i].marked;
+ if (!mk) continue;
+ for (var j = 0; j < mk.length; ++j)
+ if (mk[j].set == this.set) mk.splice(j--, 1);
+ }
+ // We don't know the exact lines that changed. Refreshing is
+ // cheaper than finding them.
+ changes.push({from: 0, to: doc.size});
+ });
+ TextMarker.prototype.find = function() {
+ var from, to;
+ for (var i = 0, e = this.set.length; i < e; ++i) {
+ var line = this.set[i], mk = line.marked;
+ for (var j = 0; j < mk.length; ++j) {
+ var mark = mk[j];
+ if (mark.set == this.set) {
+ if (mark.from != null || mark.to != null) {
+ var found = lineNo(line);
+ if (found != null) {
+ if (mark.from != null) from = {line: found, ch: mark.from};
+ if (mark.to != null) to = {line: found, ch: mark.to};
+ }
+ }
+ }
+ }
+ }
+ return {from: from, to: to};
+ };
function markText(from, to, className) {
from = clipPos(from); to = clipPos(to);
- var accum = [];
+ var tm = new TextMarker();
function add(line, from, to, className) {
- var line = lines[line], mark = line.addMark(from, to, className);
- mark.line = line;
- accum.push(mark);
+ mark = getLine(line).addMark(new MarkedText(from, to, className, tm.set));
}
if (from.line == to.line) add(from.line, from.ch, to.ch, className);
else {
add(from.line, from.ch, null, className);
for (var i = from.line + 1, e = to.line; i < e; ++i)
- add(i, 0, null, className);
- add(to.line, 0, to.ch, className);
+ add(i, null, null, className);
+ add(to.line, null, to.ch, className);
}
changes.push({from: from.line, to: to.line + 1});
- return function() {
- var start, end;
- for (var i = 0; i < accum.length; ++i) {
- var mark = accum[i], found = indexOf(lines, mark.line);
- mark.line.removeMark(mark);
- if (found > -1) {
- if (start == null) start = found;
- end = found;
- }
- }
- if (start != null) changes.push({from: start, to: end + 1});
- };
+ return tm;
+ }
+
+ function setBookmark(pos) {
+ pos = clipPos(pos);
+ var bm = new Bookmark(pos.ch);
+ getLine(pos.line).addMark(bm);
+ return bm;
}
function addGutterMarker(line, text, className) {
- if (typeof line == "number") line = lines[clipLine(line)];
+ if (typeof line == "number") line = getLine(clipLine(line));
line.gutterMarker = {text: text, style: className};
- updateGutter();
+ gutterDirty = true;
return line;
}
function removeGutterMarker(line) {
- if (typeof line == "number") line = lines[clipLine(line)];
+ if (typeof line == "number") line = getLine(clipLine(line));
line.gutterMarker = null;
- updateGutter();
+ gutterDirty = true;
}
- function setLineClass(line, className) {
- if (typeof line == "number") {
- var no = line;
- line = lines[clipLine(line)];
- }
- else {
- var no = indexOf(lines, line);
- if (no == -1) return null;
- }
- if (line.className != className) {
- line.className = className;
- changes.push({from: no, to: no + 1});
- }
+
+ function changeLine(handle, op) {
+ var no = handle, line = handle;
+ if (typeof handle == "number") line = getLine(clipLine(handle));
+ else no = lineNo(handle);
+ if (no == null) return null;
+ if (op(line, no)) changes.push({from: no, to: no + 1});
return line;
}
+ function setLineClass(handle, className) {
+ return changeLine(handle, function(line) {
+ if (line.className != className) {
+ line.className = className;
+ return true;
+ }
+ });
+ }
+ function setLineHidden(handle, hidden) {
+ return changeLine(handle, function(line, no) {
+ if (line.hidden != hidden) {
+ line.hidden = hidden;
+ updateLineHeight(line, hidden ? 0 : 1);
+ if (hidden && (sel.from.line == no || sel.to.line == no))
+ setSelection(skipHidden(sel.from, sel.from.line, sel.from.ch),
+ skipHidden(sel.to, sel.to.line, sel.to.ch));
+ return (gutterDirty = true);
+ }
+ });
+ }
function lineInfo(line) {
if (typeof line == "number") {
+ if (!isLine(line)) return null;
var n = line;
- line = lines[line];
+ line = getLine(line);
if (!line) return null;
}
else {
- var n = indexOf(lines, line);
- if (n == -1) return null;
+ var n = lineNo(line);
+ if (n == null) return null;
}
var marker = line.gutterMarker;
- return {line: n, text: line.text, markerText: marker && marker.text, markerClass: marker && marker.style};
+ return {line: n, handle: line, text: line.text, markerText: marker && marker.text,
+ markerClass: marker && marker.style, lineClass: line.className};
}
function stringWidth(str) {
@@ -1118,21 +1345,16 @@ var CodeMirror = (function() {
}
// These are used to go from pixel positions to character
// positions, taking varying character widths into account.
- function charX(line, pos) {
- if (pos == 0) return 0;
- measure.innerHTML = "<pre><span>" + lines[line].getHTML(null, null, false, pos) + "</span></pre>";
- return measure.firstChild.firstChild.offsetWidth;
- }
function charFromX(line, x) {
if (x <= 0) return 0;
- var lineObj = lines[line], text = lineObj.text;
+ var lineObj = getLine(line), text = lineObj.text;
function getX(len) {
measure.innerHTML = "<pre><span>" + lineObj.getHTML(null, null, false, len) + "</span></pre>";
return measure.firstChild.firstChild.offsetWidth;
}
var from = 0, fromX = 0, to = text.length, toX;
// Guess a suitable upper bound for our search.
- var estimated = Math.min(to, Math.ceil(x / stringWidth("x")));
+ var estimated = Math.min(to, Math.ceil(x / charWidth()));
for (;;) {
var estX = getX(estimated);
if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2));
@@ -1151,20 +1373,93 @@ var CodeMirror = (function() {
}
}
+ var tempId = Math.floor(Math.random() * 0xffffff).toString(16);
+ function measureLine(line, ch) {
+ var extra = "";
+ // Include extra text at the end to make sure the measured line is wrapped in the right way.
+ if (options.lineWrapping) {
+ var end = line.text.indexOf(" ", ch + 2);
+ extra = line.text.slice(ch + 1, end < 0 ? line.text.length : end + (ie ? 5 : 0));
+ }
+ measure.innerHTML = "<pre>" + line.getHTML(null, null, false, ch) +
+ '<span id="CodeMirror-temp-' + tempId + '">' + (line.text.charAt(ch) || " ") + "</span>" +
+ extra + "</pre>";
+ var elt = document.getElementById("CodeMirror-temp-" + tempId);
+ var top = elt.offsetTop, left = elt.offsetLeft;
+ // Older IEs report zero offsets for spans directly after a wrap
+ if (ie && ch && top == 0 && left == 0) {
+ var backup = document.createElement("span");
+ backup.innerHTML = "x";
+ elt.parentNode.insertBefore(backup, elt.nextSibling);
+ top = backup.offsetTop;
+ }
+ return {top: top, left: left};
+ }
function localCoords(pos, inLineWrap) {
- var lh = lineHeight(), line = pos.line - (inLineWrap ? showingFrom : 0);
- return {x: charX(pos.line, pos.ch), y: line * lh, yBot: (line + 1) * lh};
+ var x, lh = textHeight(), y = lh * (heightAtLine(doc, pos.line) - (inLineWrap ? displayOffset : 0));
+ if (pos.ch == 0) x = 0;
+ else {
+ var sp = measureLine(getLine(pos.line), pos.ch);
+ x = sp.left;
+ if (options.lineWrapping) y += Math.max(0, sp.top);
+ }
+ return {x: x, y: y, yBot: y + lh};
+ }
+ // Coords must be lineSpace-local
+ function coordsChar(x, y) {
+ if (y < 0) y = 0;
+ var th = textHeight(), cw = charWidth(), heightPos = displayOffset + Math.floor(y / th);
+ var lineNo = lineAtHeight(doc, heightPos);
+ if (lineNo >= doc.size) return {line: doc.size - 1, ch: 0};
+ var lineObj = getLine(lineNo), text = lineObj.text;
+ var tw = options.lineWrapping, innerOff = tw ? heightPos - heightAtLine(doc, lineNo) : 0;
+ if (x <= 0 && innerOff == 0) return {line: lineNo, ch: 0};
+ function getX(len) {
+ var sp = measureLine(lineObj, len);
+ if (tw) {
+ var off = Math.round(sp.top / th);
+ return Math.max(0, sp.left + (off - innerOff) * scroller.clientWidth);
+ }
+ return sp.left;
+ }
+ var from = 0, fromX = 0, to = text.length, toX;
+ // Guess a suitable upper bound for our search.
+ var estimated = Math.min(to, Math.ceil((x + innerOff * scroller.clientWidth * .9) / cw));
+ for (;;) {
+ var estX = getX(estimated);
+ if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2));
+ else {toX = estX; to = estimated; break;}
+ }
+ if (x > toX) return {line: lineNo, ch: to};
+ // Try to guess a suitable lower bound as well.
+ estimated = Math.floor(to * 0.8); estX = getX(estimated);
+ if (estX < x) {from = estimated; fromX = estX;}
+ // Do a binary search between these bounds.
+ for (;;) {
+ if (to - from <= 1) return {line: lineNo, ch: (toX - x > x - fromX) ? from : to};
+ var middle = Math.ceil((from + to) / 2), middleX = getX(middle);
+ if (middleX > x) {to = middle; toX = middleX;}
+ else {from = middle; fromX = middleX;}
+ }
}
function pageCoords(pos) {
var local = localCoords(pos, true), off = eltOffset(lineSpace);
return {x: off.left + local.x, y: off.top + local.y, yBot: off.top + local.yBot};
}
- function lineHeight() {
- var nlines = lineDiv.childNodes.length;
- if (nlines) return (lineDiv.offsetHeight / nlines) || 1;
- measure.innerHTML = "<pre>x</pre>";
- return measure.firstChild.offsetHeight || 1;
+ var cachedHeight, cachedFor;
+ function textHeight() {
+ var offsetHeight = lineDiv.offsetHeight;
+ if (offsetHeight == cachedFor) return cachedHeight;
+ cachedFor = offsetHeight;
+ measure.innerHTML = "<pre>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x</pre>";
+ return (cachedHeight = measure.firstChild.offsetHeight / 10 || 1);
+ }
+ var cachedWidth, cachedFor = 0;
+ function charWidth() {
+ if (scroller.clientWidth == cachedFor) return cachedWidth;
+ cachedFor = scroller.clientWidth;
+ return (cachedWidth = stringWidth("x"));
}
function paddingTop() {return lineSpace.offsetTop;}
function paddingLeft() {return lineSpace.offsetLeft;}
@@ -1179,8 +1474,7 @@ var CodeMirror = (function() {
if (!liberal && (x - offW.left > scroller.clientWidth || y - offW.top > scroller.clientHeight))
return null;
var offL = eltOffset(lineSpace, true);
- var line = showingFrom + Math.floor((y - offL.top) / lineHeight());
- return clipPos({line: line, ch: charFromX(clipLine(line), x - offL.left)});
+ return coordsChar(x - offL.left, y - offL.top);
}
function onContextMenu(e) {
var pos = posFromMouse(e);
@@ -1190,8 +1484,8 @@ var CodeMirror = (function() {
var oldCSS = input.style.cssText;
inputDiv.style.position = "absolute";
- input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e_pageY(e) - 1) +
- "px; left: " + (e_pageX(e) - 1) + "px; z-index: 1000; background: white; " +
+ input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) +
+ "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: white; " +
"border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
leaveInputAlone = true;
var val = input.value = getSelection();
@@ -1206,7 +1500,7 @@ var CodeMirror = (function() {
prepareInput();
slowPoll();
}
-
+
if (gecko) {
e_stop(e);
var mouseup = connect(window, "mouseup", function() {
@@ -1231,7 +1525,7 @@ var CodeMirror = (function() {
var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"};
function matchBrackets(autoclear) {
- var head = sel.inverted ? sel.from : sel.to, line = lines[head.line], pos = head.ch - 1;
+ var head = sel.inverted ? sel.from : sel.to, line = getLine(head.line), pos = head.ch - 1;
var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)];
if (!match) return;
var ch = match.charAt(0), forward = match.charAt(1) == ">", d = forward ? 1 : -1, st = line.styles;
@@ -1255,18 +1549,16 @@ var CodeMirror = (function() {
}
}
}
- for (var i = head.line, e = forward ? Math.min(i + 100, lines.length) : Math.max(-1, i - 100); i != e; i+=d) {
- var line = lines[i], first = i == head.line;
+ for (var i = head.line, e = forward ? Math.min(i + 100, doc.size) : Math.max(-1, i - 100); i != e; i+=d) {
+ var line = getLine(i), first = i == head.line;
var found = scan(line, first && forward ? pos + 1 : 0, first && !forward ? pos : line.text.length);
if (found) break;
}
if (!found) found = {pos: null, match: false};
var style = found.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket";
var one = markText({line: head.line, ch: pos}, {line: head.line, ch: pos+1}, style),
- two = found.pos != null
- ? markText({line: i, ch: found.pos}, {line: i, ch: found.pos + 1}, style)
- : function() {};
- var clear = operation(function(){one(); two();});
+ two = found.pos != null && markText({line: i, ch: found.pos}, {line: i, ch: found.pos + 1}, style);
+ var clear = operation(function(){one.clear(); two && two.clear();});
if (autoclear) setTimeout(clear, 800);
else bracketHighlighted = clear;
}
@@ -1280,66 +1572,69 @@ var CodeMirror = (function() {
var minindent, minline;
for (var search = n, lim = n - 40; search > lim; --search) {
if (search == 0) return 0;
- var line = lines[search-1];
+ var line = getLine(search-1);
if (line.stateAfter) return search;
var indented = line.indentation();
if (minline == null || minindent > indented) {
- minline = search;
+ minline = search - 1;
minindent = indented;
}
}
return minline;
}
function getStateBefore(n) {
- var start = findStartLine(n), state = start && lines[start-1].stateAfter;
+ var start = findStartLine(n), state = start && getLine(start-1).stateAfter;
if (!state) state = startState(mode);
else state = copyState(mode, state);
- for (var i = start; i < n; ++i) {
- var line = lines[i];
+ doc.iter(start, n, function(line) {
line.highlight(mode, state);
line.stateAfter = copyState(mode, state);
- }
- if (n < lines.length && !lines[n].stateAfter) work.push(n);
+ });
+ if (start < n) changes.push({from: start, to: n});
+ if (n < doc.size && !getLine(n).stateAfter) work.push(n);
return state;
}
function highlightLines(start, end) {
var state = getStateBefore(start);
- for (var i = start; i < end; ++i) {
- var line = lines[i];
+ doc.iter(start, end, function(line) {
line.highlight(mode, state);
line.stateAfter = copyState(mode, state);
- }
+ });
}
function highlightWorker() {
var end = +new Date + options.workTime;
var foundWork = work.length;
while (work.length) {
- if (!lines[showingFrom].stateAfter) var task = showingFrom;
+ if (!getLine(showingFrom).stateAfter) var task = showingFrom;
else var task = work.pop();
- if (task >= lines.length) continue;
- var start = findStartLine(task), state = start && lines[start-1].stateAfter;
+ if (task >= doc.size) continue;
+ var start = findStartLine(task), state = start && getLine(start-1).stateAfter;
if (state) state = copyState(mode, state);
else state = startState(mode);
- var unchanged = 0, compare = mode.compareStates;
- for (var i = start, l = lines.length; i < l; ++i) {
- var line = lines[i], hadState = line.stateAfter;
+ var unchanged = 0, compare = mode.compareStates, realChange = false,
+ i = start, bail = false;
+ doc.iter(i, doc.size, function(line) {
+ var hadState = line.stateAfter;
if (+new Date > end) {
work.push(i);
startWorker(options.workDelay);
- changes.push({from: task, to: i + 1});
- return;
+ if (realChange) changes.push({from: task, to: i + 1});
+ return (bail = true);
}
var changed = line.highlight(mode, state);
+ if (changed) realChange = true;
line.stateAfter = copyState(mode, state);
if (compare) {
- if (hadState && compare(hadState, state)) break;
+ if (hadState && compare(hadState, state)) return true;
} else {
- if (changed || !hadState) unchanged = 0;
- else if (++unchanged > 3) break;
+ if (changed !== false || !hadState) unchanged = 0;
+ else if (++unchanged > 3) return true;
}
- }
- changes.push({from: task, to: i + 1});
+ ++i;
+ });
+ if (bail) return;
+ if (realChange) changes.push({from: task, to: i + 1});
}
if (foundWork && options.onHighlightComplete)
options.onHighlightComplete(instance);
@@ -1360,9 +1655,12 @@ var CodeMirror = (function() {
var reScroll = false;
if (selectionChanged) reScroll = !scrollCursorIntoView();
if (changes.length) updateDisplay(changes);
- else if (selectionChanged) updateCursor();
+ else {
+ if (selectionChanged) updateCursor();
+ if (gutterDirty) updateGutter();
+ }
if (reScroll) scrollCursorIntoView();
- if (selectionChanged) restartBlink();
+ if (selectionChanged) {scrollEditorIntoView(); restartBlink();}
// updateInput can be set to a boolean value to force/prevent an
// update.
@@ -1406,7 +1704,7 @@ var CodeMirror = (function() {
if (typeof query != "string") // Regexp match
this.matches = function(reverse, pos) {
if (reverse) {
- var line = lines[pos.line].text.slice(0, pos.ch), match = line.match(query), start = 0;
+ var line = getLine(pos.line).text.slice(0, pos.ch), match = line.match(query), start = 0;
while (match) {
var ind = line.indexOf(match[0]);
start += ind;
@@ -1418,7 +1716,7 @@ var CodeMirror = (function() {
}
}
else {
- var line = lines[pos.line].text.slice(pos.ch), match = line.match(query),
+ var line = getLine(pos.line).text.slice(pos.ch), match = line.match(query),
start = match && pos.ch + line.indexOf(match[0]);
}
if (match)
@@ -1433,7 +1731,7 @@ var CodeMirror = (function() {
// Different methods for single-line and multi-line queries
if (target.length == 1)
this.matches = function(reverse, pos) {
- var line = fold(lines[pos.line].text), len = query.length, match;
+ var line = fold(getLine(pos.line).text), len = query.length, match;
if (reverse ? (pos.ch >= len && (match = line.lastIndexOf(query, pos.ch - len)) != -1)
: (match = line.indexOf(query, pos.ch)) != -1)
return {from: {line: pos.line, ch: match},
@@ -1441,14 +1739,14 @@ var CodeMirror = (function() {
};
else
this.matches = function(reverse, pos) {
- var ln = pos.line, idx = (reverse ? target.length - 1 : 0), match = target[idx], line = fold(lines[ln].text);
+ var ln = pos.line, idx = (reverse ? target.length - 1 : 0), match = target[idx], line = fold(getLine(ln).text);
var offsetA = (reverse ? line.indexOf(match) + match.length : line.lastIndexOf(match));
if (reverse ? offsetA >= pos.ch || offsetA != match.length
: offsetA <= pos.ch || offsetA != line.length - match.length)
return;
for (;;) {
- if (reverse ? !ln : ln == lines.length - 1) return;
- line = fold(lines[ln += reverse ? -1 : 1].text);
+ if (reverse ? !ln : ln == doc.size - 1) return;
+ line = fold(getLine(ln += reverse ? -1 : 1).text);
match = target[reverse ? --idx : ++idx];
if (idx > 0 && idx < target.length - 1) {
if (line != match) return;
@@ -1484,10 +1782,10 @@ var CodeMirror = (function() {
}
if (reverse) {
if (!pos.line) return savePosAndFail(0);
- pos = {line: pos.line-1, ch: lines[pos.line-1].text.length};
+ pos = {line: pos.line-1, ch: getLine(pos.line-1).text.length};
}
else {
- if (pos.line == lines.length - 1) return savePosAndFail(lines.length);
+ if (pos.line == doc.size - 1) return savePosAndFail(doc.size);
pos = {line: pos.line+1, ch: 0};
}
}
@@ -1523,10 +1821,13 @@ var CodeMirror = (function() {
enterMode: "indent",
electricChars: true,
onKeyEvent: null,
+ lineWrapping: false,
lineNumbers: false,
gutter: false,
+ fixedGutter: false,
firstLineNumber: 1,
readOnly: false,
+ smartHome: true,
onChange: null,
onCursorActivity: null,
onGutterClick: null,
@@ -1537,6 +1838,7 @@ var CodeMirror = (function() {
workDelay: 200,
undoDepth: 40,
tabindex: null,
+ pollForIME: false,
document: window.document
};
@@ -1572,7 +1874,7 @@ var CodeMirror = (function() {
CodeMirror.listMIMEs = function() {
var list = [];
for (var m in mimeModes)
- if (mimeModes.propertyIsEnumerable(m)) list.push(m);
+ if (mimeModes.propertyIsEnumerable(m)) list.push({mime: m, mode: mimeModes[m]});
return list;
};
@@ -1634,11 +1936,11 @@ var CodeMirror = (function() {
}
return nstate;
}
- CodeMirror.startState = startState;
+ CodeMirror.copyState = copyState;
function startState(mode, a1, a2) {
return mode.startState ? mode.startState(a1, a2) : true;
}
- CodeMirror.copyState = copyState;
+ CodeMirror.startState = startState;
// The character stream used by a mode's parser.
function StringStream(string) {
@@ -1660,7 +1962,7 @@ var CodeMirror = (function() {
if (ok) {++this.pos; return ch;}
},
eatWhile: function(match) {
- var start = this.start;
+ var start = this.pos;
while (this.eat(match)){}
return this.pos > start;
},
@@ -1695,18 +1997,98 @@ var CodeMirror = (function() {
};
CodeMirror.StringStream = StringStream;
+ function MarkedText(from, to, className, set) {
+ this.from = from; this.to = to; this.style = className; this.set = set;
+ }
+ MarkedText.prototype = {
+ attach: function(line) { this.set.push(line); },
+ detach: function(line) {
+ var ix = indexOf(this.set, line);
+ if (ix > -1) this.set.splice(ix, 1);
+ },
+ split: function(pos, lenBefore) {
+ if (this.to <= pos && this.to != null) return null;
+ var from = this.from < pos || this.from == null ? null : this.from - pos + lenBefore;
+ var to = this.to == null ? null : this.to - pos + lenBefore;
+ return new MarkedText(from, to, this.style, this.set);
+ },
+ dup: function() { return new MarkedText(null, null, this.style, this.set); },
+ clipTo: function(fromOpen, from, toOpen, to, diff) {
+ if (this.from != null && this.from >= from)
+ this.from = Math.max(to, this.from) + diff;
+ if (this.to != null && this.to > from)
+ this.to = to < this.to ? this.to + diff : from;
+ if (fromOpen && to > this.from && (to < this.to || this.to == null))
+ this.from = null;
+ if (toOpen && (from < this.to || this.to == null) && (from > this.from || this.from == null))
+ this.to = null;
+ },
+ isDead: function() { return this.from != null && this.to != null && this.from >= this.to; },
+ sameSet: function(x) { return this.set == x.set; }
+ };
+
+ function Bookmark(pos) {
+ this.from = pos; this.to = pos; this.line = null;
+ }
+ Bookmark.prototype = {
+ attach: function(line) { this.line = line; },
+ detach: function(line) { if (this.line == line) this.line = null; },
+ split: function(pos, lenBefore) {
+ if (pos < this.from) {
+ this.from = this.to = (this.from - pos) + lenBefore;
+ return this;
+ }
+ },
+ isDead: function() { return this.from > this.to; },
+ clipTo: function(fromOpen, from, toOpen, to, diff) {
+ if ((fromOpen || from < this.from) && (toOpen || to > this.to)) {
+ this.from = 0; this.to = -1;
+ } else if (this.from > from) {
+ this.from = this.to = Math.max(to, this.from) + diff;
+ }
+ },
+ sameSet: function(x) { return false; },
+ find: function() {
+ if (!this.line || !this.line.parent) return null;
+ return {line: lineNo(this.line), ch: this.from};
+ },
+ clear: function() {
+ if (this.line) {
+ var found = indexOf(this.line.marked, this);
+ if (found != -1) this.line.marked.splice(found, 1);
+ this.line = null;
+ }
+ }
+ };
+
// Line objects. These hold state related to a line, including
// highlighting info (the styles array).
function Line(text, styles) {
this.styles = styles || [text, null];
- this.stateAfter = null;
this.text = text;
+ this.height = 1;
this.marked = this.gutterMarker = this.className = null;
+ this.stateAfter = this.parent = this.hidden = null;
+ }
+ Line.inheritMarks = function(text, orig) {
+ var ln = new Line(text), mk = orig.marked;
+ if (mk) {
+ for (var i = 0; i < mk.length; ++i) {
+ if (mk[i].to == null && mk[i].style) {
+ var newmk = ln.marked || (ln.marked = []), mark = mk[i];
+ var nmark = mark.dup(); newmk.push(nmark); nmark.attach(ln);
+ }
+ }
+ }
+ return ln;
}
Line.prototype = {
// Replace a piece of a line, keeping the styles around it intact.
- replace: function(from, to, text) {
- var st = [], mk = this.marked;
+ replace: function(from, to_, text) {
+ // Reset line class if the whole text was replaced.
+ if (!from && (to_ == null || to_ == this.text.length))
+ this.className = this.gutterMarker = null;
+ var st = [], mk = this.marked, to = to_ == null ? this.text.length : to_;
copyStyles(0, from, this.styles, st);
if (text) st.push(text, null);
copyStyles(to, this.text.length, this.styles, st);
@@ -1714,34 +2096,79 @@ var CodeMirror = (function() {
this.text = this.text.slice(0, from) + text + this.text.slice(to);
this.stateAfter = null;
if (mk) {
- var diff = text.length - (to - from), end = this.text.length;
- function fix(n) {return n <= Math.min(to, to + diff) ? n : n + diff;}
- for (var i = 0; i < mk.length; ++i) {
- var mark = mk[i], del = false;
- if (mark.from >= end) del = true;
- else {mark.from = fix(mark.from); if (mark.to != null) mark.to = fix(mark.to);}
- if (del || mark.from >= mark.to) {mk.splice(i, 1); i--;}
+ var diff = text.length - (to - from);
+ for (var i = 0, mark = mk[i]; i < mk.length; ++i) {
+ mark.clipTo(from == null, from || 0, to_ == null, to, diff);
+ if (mark.isDead()) {mark.detach(this); mk.splice(i--, 1);}
}
}
},
- // Split a line in two, again keeping styles intact.
+ // Split a part off a line, keeping styles and markers intact.
split: function(pos, textBefore) {
- var st = [textBefore, null];
+ var st = [textBefore, null], mk = this.marked;
copyStyles(pos, this.text.length, this.styles, st);
- return new Line(textBefore + this.text.slice(pos), st);
+ var taken = new Line(textBefore + this.text.slice(pos), st);
+ if (mk) {
+ for (var i = 0; i < mk.length; ++i) {
+ var mark = mk[i];
+ var newmark = mark.split(pos, textBefore.length);
+ if (newmark) {
+ if (!taken.marked) taken.marked = [];
+ taken.marked.push(newmark); newmark.attach(taken);
+ }
+ }
+ }
+ return taken;
},
- addMark: function(from, to, style) {
- var mk = this.marked, mark = {from: from, to: to, style: style};
- if (this.marked == null) this.marked = [];
- this.marked.push(mark);
- this.marked.sort(function(a, b){return a.from - b.from;});
- return mark;
+ append: function(line) {
+ var mylen = this.text.length, mk = line.marked, mymk = this.marked;
+ this.text += line.text;
+ copyStyles(0, line.text.length, line.styles, this.styles);
+ if (mymk) {
+ for (var i = 0; i < mymk.length; ++i)
+ if (mymk[i].to == null) mymk[i].to = mylen;
+ }
+ if (mk && mk.length) {
+ if (!mymk) this.marked = mymk = [];
+ outer: for (var i = 0; i < mk.length; ++i) {
+ var mark = mk[i];
+ if (!mark.from) {
+ for (var j = 0; j < mymk.length; ++j) {
+ var mymark = mymk[j];
+ if (mymark.to == mylen && mymark.sameSet(mark)) {
+ mymark.to = mark.to == null ? null : mark.to + mylen;
+ if (mymark.isDead()) {
+ mymark.detach(this);
+ mk.splice(i--, 1);
+ }
+ continue outer;
+ }
+ }
+ }
+ mymk.push(mark);
+ mark.attach(this);
+ mark.from += mylen;
+ if (mark.to != null) mark.to += mylen;
+ }
+ }
},
- removeMark: function(mark) {
- var mk = this.marked;
+ fixMarkEnds: function(other) {
+ var mk = this.marked, omk = other.marked;
if (!mk) return;
- for (var i = 0; i < mk.length; ++i)
- if (mk[i] == mark) {mk.splice(i, 1); break;}
+ for (var i = 0; i < mk.length; ++i) {
+ var mark = mk[i], close = mark.to == null;
+ if (close && omk) {
+ for (var j = 0; j < omk.length; ++j)
+ if (omk[j].sameSet(mark)) {close = false; break;}
+ }
+ if (close) mark.to = this.text.length;
+ }
+ },
+ addMark: function(mark) {
+ mark.attach(this);
+ if (this.marked == null) this.marked = [];
+ this.marked.push(mark);
+ this.marked.sort(function(a, b){return (a.from || 0) - (b.from || 0);});
},
// Run the given mode's parser over a line, update the styles
// array, which contains alternating fragments of text and CSS
@@ -1769,10 +2196,10 @@ var CodeMirror = (function() {
}
if (st.length != pos) {st.length = pos; changed = true;}
if (pos && st[pos-2] != prevWord) changed = true;
- // Short lines with simple highlights always count as changed,
- // because they are likely to highlight the same way in various
- // contexts.
- return changed || (st.length < 5 && this.text.length < 10);
+ // Short lines with simple highlights return null, and are
+ // counted as changed by the driver because they are likely to
+ // highlight the same way in various contexts.
+ return changed || (st.length < 5 && this.text.length < 10 ? null : false);
},
// Fetch the parser token for a given character. Useful for hacks
// that want to inspect the mode state (say, for completion).
@@ -1792,11 +2219,14 @@ var CodeMirror = (function() {
// Produces an HTML fragment for the line, taking selection,
// marking, and highlighting into account.
getHTML: function(sfrom, sto, includePre, endAt) {
- var html = [];
+ var html = [], first = true;
if (includePre)
html.push(this.className ? '<pre class="' + this.className + '">': "<pre>");
function span(text, style) {
if (!text) return;
+ // Work around a bug where, in some compat modes, IE ignores leading spaces
+ if (first && ie && text.charAt(0) == " ") text = "\u00a0" + text.slice(1);
+ first = false;
if (style) html.push('<span class="', style, '">', htmlEscape(text), "</span>");
else html.push(htmlEscape(text));
}
@@ -1809,10 +2239,10 @@ var CodeMirror = (function() {
span(" ", sfrom != null && sto == null ? "CodeMirror-selected" : null);
else if (!marked && sfrom == null)
for (var i = 0, ch = 0; ch < len; i+=2) {
- var str = st[i], l = str.length;
+ var str = st[i], style = st[i+1], l = str.length;
if (ch + l > len) str = str.slice(0, len - ch);
ch += l;
- span(str, "cm-" + st[i+1]);
+ span(str, style && "cm-" + style);
}
else {
var pos = 0, i = 0, text = "", style, sg = 0;
@@ -1856,6 +2286,11 @@ var CodeMirror = (function() {
}
if (includePre) html.push("</pre>");
return html.join("");
+ },
+ cleanUp: function() {
+ this.parent = null;
+ if (this.marked)
+ for (var i = 0, e = this.marked.length; i < e; ++i) this.marked[i].detach(this);
}
};
// Utility used by replace and split above
@@ -1874,6 +2309,191 @@ var CodeMirror = (function() {
}
}
+ // Data structure that holds the sequence of lines.
+ function LeafChunk(lines) {
+ this.lines = lines;
+ this.parent = null;
+ for (var i = 0, e = lines.length, height = 0; i < e; ++i) {
+ lines[i].parent = this;
+ height += lines[i].height;
+ }
+ this.height = height;
+ }
+ LeafChunk.prototype = {
+ chunkSize: function() { return this.lines.length; },
+ remove: function(at, n) {
+ for (var i = at, e = at + n; i < e; ++i) {
+ var line = this.lines[i];
+ line.cleanUp();
+ this.height -= line.height;
+ }
+ this.lines.splice(at, n);
+ },
+ collapse: function(lines) {
+ lines.splice.apply(lines, [lines.length, 0].concat(this.lines));
+ },
+ insertHeight: function(at, lines, height) {
+ this.height += height;
+ this.lines.splice.apply(this.lines, [at, 0].concat(lines));
+ for (var i = 0, e = lines.length; i < e; ++i) lines[i].parent = this;
+ },
+ iterN: function(at, n, op) {
+ for (var e = at + n; at < e; ++at)
+ if (op(this.lines[at])) return true;
+ }
+ };
+ function BranchChunk(children) {
+ this.children = children;
+ var size = 0, height = 0;
+ for (var i = 0, e = children.length; i < e; ++i) {
+ var ch = children[i];
+ size += ch.chunkSize(); height += ch.height;
+ ch.parent = this;
+ }
+ this.size = size;
+ this.height = height;
+ this.parent = null;
+ }
+ BranchChunk.prototype = {
+ chunkSize: function() { return this.size; },
+ remove: function(at, n) {
+ this.size -= n;
+ for (var i = 0; i < this.children.length; ++i) {
+ var child = this.children[i], sz = child.chunkSize();
+ if (at < sz) {
+ var rm = Math.min(n, sz - at), oldHeight = child.height;
+ child.remove(at, rm);
+ this.height -= oldHeight - child.height;
+ if (sz == rm) { this.children.splice(i--, 1); child.parent = null; }
+ if ((n -= rm) == 0) break;
+ at = 0;
+ } else at -= sz;
+ }
+ if (this.size - n < 25) {
+ var lines = [];
+ this.collapse(lines);
+ this.children = [new LeafChunk(lines)];
+ }
+ },
+ collapse: function(lines) {
+ for (var i = 0, e = this.children.length; i < e; ++i) this.children[i].collapse(lines);
+ },
+ insert: function(at, lines) {
+ var height = 0;
+ for (var i = 0, e = lines.length; i < e; ++i) height += lines[i].height;
+ this.insertHeight(at, lines, height);
+ },
+ insertHeight: function(at, lines, height) {
+ this.size += lines.length;
+ this.height += height;
+ for (var i = 0, e = this.children.length; i < e; ++i) {
+ var child = this.children[i], sz = child.chunkSize();
+ if (at <= sz) {
+ child.insertHeight(at, lines, height);
+ if (child.lines && child.lines.length > 50) {
+ while (child.lines.length > 50) {
+ var spilled = child.lines.splice(child.lines.length - 25, 25);
+ var newleaf = new LeafChunk(spilled);
+ child.height -= newleaf.height;
+ this.children.splice(i + 1, 0, newleaf);
+ newleaf.parent = this;
+ }
+ this.maybeSpill();
+ }
+ break;
+ }
+ at -= sz;
+ }
+ },
+ maybeSpill: function() {
+ if (this.children.length <= 10) return;
+ var me = this;
+ do {
+ var spilled = me.children.splice(me.children.length - 5, 5);
+ var sibling = new BranchChunk(spilled);
+ if (!me.parent) { // Become the parent node
+ var copy = new BranchChunk(me.children);
+ copy.parent = me;
+ me.children = [copy, sibling];
+ me = copy;
+ } else {
+ me.size -= sibling.size;
+ me.height -= sibling.height;
+ var myIndex = indexOf(me.parent.children, me);
+ me.parent.children.splice(myIndex + 1, 0, sibling);
+ }
+ sibling.parent = me.parent;
+ } while (me.children.length > 10);
+ me.parent.maybeSpill();
+ },
+ iter: function(from, to, op) { this.iterN(from, to - from, op); },
+ iterN: function(at, n, op) {
+ for (var i = 0, e = this.children.length; i < e; ++i) {
+ var child = this.children[i], sz = child.chunkSize();
+ if (at < sz) {
+ var used = Math.min(n, sz - at);
+ if (child.iterN(at, used, op)) return true;
+ if ((n -= used) == 0) break;
+ at = 0;
+ } else at -= sz;
+ }
+ }
+ };
+
+ function getLineAt(chunk, n) {
+ for (;;) {
+ for (var i = 0, e = chunk.children.length; i < e; ++i) {
+ var child = chunk.children[i], sz = child.chunkSize();
+ if (n < sz) { chunk = child; break; }
+ n -= sz;
+ }
+ if (chunk.lines) return chunk.lines[n];
+ }
+ }
+ function lineNo(line) {
+ if (line.parent == null) return null;
+ var cur = line.parent, no = indexOf(cur.lines, line);
+ for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
+ for (var i = 0, e = chunk.children.length; ; ++i) {
+ if (chunk.children[i] == cur) break;
+ no += chunk.children[i].chunkSize();
+ }
+ }
+ return no;
+ }
+ function lineAtHeight(chunk, h) {
+ var n = 0;
+ outer: do {
+ for (var i = 0, e = chunk.children.length; i < e; ++i) {
+ var child = chunk.children[i], ch = child.height;
+ if (h < ch) { chunk = child; continue outer; }
+ h -= ch;
+ n += child.chunkSize();
+ }
+ return n;
+ } while (!chunk.lines);
+ for (var i = 0, e = chunk.lines.length; i < e; ++i) {
+ var line = chunk.lines[i], lh = line.height;
+ if (h < lh) break;
+ h -= lh;
+ }
+ return n + i;
+ }
+ function heightAtLine(chunk, n) {
+ var h = 0;
+ outer: do {
+ for (var i = 0, e = chunk.children.length; i < e; ++i) {
+ var child = chunk.children[i], sz = child.chunkSize();
+ if (n < sz) { chunk = child; continue outer; }
+ n -= sz;
+ h += child.height;
+ }
+ return h;
+ } while (!chunk.lines);
+ for (var i = 0; i < n; ++i) h += chunk.lines[i].height;
+ return h;
+ }
+
// The history object 'chunks' changes that are made close together
// and at almost the same time into bigger undoable units.
function History() {
@@ -1930,16 +2550,6 @@ var CodeMirror = (function() {
else if (e.button & 2) return 3;
else if (e.button & 4) return 2;
}
- function e_pageX(e) {
- if (e.pageX != null) return e.pageX;
- var doc = e_target(e).ownerDocument;
- return e.clientX + doc.body.scrollLeft + doc.documentElement.scrollLeft;
- }
- function e_pageY(e) {
- if (e.pageY != null) return e.pageY;
- var doc = e_target(e).ownerDocument;
- return e.clientY + doc.body.scrollTop + doc.documentElement.scrollTop;
- }
// Event handler registration. If disconnect is true, it'll return a
// function that unregisters the handler.
@@ -1958,16 +2568,18 @@ var CodeMirror = (function() {
function Delayed() {this.id = null;}
Delayed.prototype = {set: function(ms, f) {clearTimeout(this.id); this.id = setTimeout(f, ms);}};
- // Some IE versions don't preserve whitespace when setting the
- // innerHTML of a PRE tag.
- var badInnerHTML = (function() {
- var pre = document.createElement("pre");
- pre.innerHTML = " "; return !pre.innerHTML;
- })();
+ // Detect drag-and-drop
+ var dragAndDrop = function() {
+ // IE8 has ondragstart and ondrop properties, but doesn't seem to
+ // actually support ondragstart the way it's supposed to work.
+ if (/MSIE [1-8]\b/.test(navigator.userAgent)) return false;
+ var div = document.createElement('div');
+ return "draggable" in div;
+ }();
var gecko = /gecko\/\d{7}/i.test(navigator.userAgent);
var ie = /MSIE \d/.test(navigator.userAgent);
- var safari = /Apple Computer/.test(navigator.vendor);
+ var webkit = /WebKit\//.test(navigator.userAgent);
var lineSep = "\n";
// Feature-detect whether newlines in textareas are converted to \r\n
@@ -1979,6 +2591,7 @@ var CodeMirror = (function() {
var tabSize = 8;
var mac = /Mac/.test(navigator.platform);
+ var win = /Win/.test(navigator.platform);
var movementKeys = {};
for (var i = 35; i <= 40; ++i)
movementKeys[i] = movementKeys["c" + i] = true;
@@ -2001,21 +2614,44 @@ var CodeMirror = (function() {
if (elt.currentStyle) return elt.currentStyle;
return window.getComputedStyle(elt, null);
}
+
// Find the position of an element by following the offsetParent chain.
// If screen==true, it returns screen (rather than page) coordinates.
function eltOffset(node, screen) {
- var doc = node.ownerDocument.body;
- var x = 0, y = 0, skipDoc = false;
+ var bod = node.ownerDocument.body;
+ var x = 0, y = 0, skipBody = false;
for (var n = node; n; n = n.offsetParent) {
- x += n.offsetLeft; y += n.offsetTop;
+ var ol = n.offsetLeft, ot = n.offsetTop;
+ // Firefox reports weird inverted offsets when the body has a border.
+ if (n == bod) { x += Math.abs(ol); y += Math.abs(ot); }
+ else { x += ol, y += ot; }
if (screen && computedStyle(n).position == "fixed")
- skipDoc = true;
+ skipBody = true;
}
- var e = screen && !skipDoc ? null : doc;
+ var e = screen && !skipBody ? null : bod;
for (var n = node.parentNode; n != e; n = n.parentNode)
if (n.scrollLeft != null) { x -= n.scrollLeft; y -= n.scrollTop;}
return {left: x, top: y};
}
+ // Use the faster and saner getBoundingClientRect method when possible.
+ if (document.documentElement.getBoundingClientRect != null) eltOffset = function(node, screen) {
+ // Take the parts of bounding client rect that we are interested in so we are able to edit if need be,
+ // since the returned value cannot be changed externally (they are kept in sync as the element moves within the page)
+ try { var box turned value cannot be changed externally (they are kept in sync as the element moves within the page) ; �� �� u�AA�* �
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