* plain sequences of <span> and <br> elements
*/
+var internetExplorer = document.selection && window.ActiveXObject && /MSIE/.test(navigator.userAgent);
+var webkit = /AppleWebKit/.test(navigator.userAgent);
+var safari = /Apple Computers, Inc/.test(navigator.vendor);
+var gecko = /gecko\/(\d{8})/i.test(navigator.userAgent);
+// TODO this is related to the backspace-at-end-of-line bug. Remove
+// this if Opera gets their act together, make the version check more
+// broad if they don't.
+var brokenOpera = window.opera && /Version\/10.[56]/.test(navigator.userAgent);
+
// Make sure a string does not contain two consecutive 'collapseable'
// whitespace characters.
function makeWhiteSpace(n) {
var buffer = [], nb = true;
for (; n > 0; n--) {
buffer.push((nb || n == 1) ? nbsp : " ");
- nb = !nb;
+ nb ^= true;
}
return buffer.join("");
}
// by the browser, but will not break text-wrapping either.
function fixSpaces(string) {
if (string.charAt(0) == " ") string = nbsp + string.slice(1);
- return string.replace(/\t/g, function(){return makeWhiteSpace(indentUnit);})
+ return string.replace(/\t/g, function() {return makeWhiteSpace(indentUnit);})
.replace(/[ \u00a0]{2,}/g, function(s) {return makeWhiteSpace(s.length);});
}
function cleanText(text) {
- return text.replace(/\u00a0/g, " ").replace(/\u200b/g, "");
+ return text.replace(/\u00a0/g, " ");
}
// Create a SPAN node with the expected properties for document part
return span;
}
-// On webkit, when the last BR of the document does not have text
-// behind it, the cursor can not be put on the line after it. This
-// makes pressing enter at the end of the document occasionally do
-// nothing (or at least seem to do nothing). To work around it, this
-// function makes sure the document ends with a span containing a
-// zero-width space character. The traverseDOM iterator filters such
-// character out again, so that the parsers won't see them. This
-// function is called from a few strategic places to make sure the
-// zwsp is restored after the highlighting process eats it.
-var webkitLastLineHack = webkit ?
- function(container) {
- var last = container.lastChild;
- if (!last || !last.isPart || last.textContent != "\u200b")
- container.appendChild(makePartSpan("\u200b", container.ownerDocument));
- } : function() {};
-
var Editor = (function(){
// The HTML elements whose content should be suffixed by a newline
// when converting them to flat text.
function simplifyNode(node, top) {
if (node.nodeType == 3) {
- var text = node.nodeValue = fixSpaces(node.nodeValue.replace(/[\r\u200b]/g, "").replace(/\n/g, " "));
+ var text = node.nodeValue = fixSpaces(node.nodeValue.replace(/\r/g, "").replace(/\n/g, " "));
if (text.length) leaving = false;
result.push(node);
}
- else if (node.nodeName == "BR" && node.childNodes.length == 0) {
+ else if (isBR(node) && node.childNodes.length == 0) {
leaving = true;
result.push(node);
}
else {
- forEach(node.childNodes, simplifyNode);
- if (!leaving && newlineElements.hasOwnProperty(node.nodeName)) {
+ for (var n = node.firstChild; n; n = n.nextSibling) simplifyNode(n);
+ if (!leaving && newlineElements.hasOwnProperty(node.nodeName.toUpperCase())) {
leaving = true;
if (!atEnd || !top)
result.push(doc.createElement("BR"));
// the nodes. It makes sure that all nodes up to and including the
// one whose text is being yielded have been 'normalized' to be just
// <span> and <br> elements.
- // See the story.html file for some short remarks about the use of
- // continuation-passing style in this iterator.
function traverseDOM(start){
- function yield(value, c){cc = c; return value;}
- function push(fun, arg, c){return function(){return fun(arg, c);};}
- function stop(){cc = stop; throw StopIteration;};
- var cc = push(scanNode, start, stop);
var owner = start.ownerDocument;
var nodeQueue = [];
}
var point = null;
+ // This an Opera-specific hack -- always insert an empty span
+ // between two BRs, because Opera's cursor code gets terribly
+ // confused when the cursor is between two BRs.
+ var afterBR = true;
+
// Insert a normalized node at the current point. If it is a text
// node, wrap it in a <span>, and give that span a currentText
// property -- this is used to cache the nodeValue, because
select.snapshotChanged();
part = makePartSpan(part, owner);
text = part.currentText;
+ afterBR = false;
+ }
+ else {
+ if (afterBR && window.opera)
+ point(makePartSpan("", owner));
+ afterBR = true;
}
part.dirty = true;
nodeQueue.push(part);
}
// Extract the text and newlines from a DOM node, insert them into
- // the document, and yield the textual content. Used to replace
+ // the document, and return the textual content. Used to replace
// non-normalized nodes.
- function writeNode(node, c, end) {
- var toYield = [];
- forEach(simplifyDOM(node, end), function(part) {
- toYield.push(insertPart(part));
- });
- return yield(toYield.join(""), c);
+ function writeNode(node, end) {
+ var simplified = simplifyDOM(node, end);
+ for (var i = 0; i < simplified.length; i++)
+ simplified[i] = insertPart(simplified[i]);
+ return simplified.join("");
}
// Check whether a node is a normalized <span> element.
return false;
}
- // Handle a node. Add its successor to the continuation if there
- // is one, find out whether the node is normalized. If it is,
- // yield its content, otherwise, normalize it (writeNode will take
- // care of yielding).
- function scanNode(node, c){
- if (node.nextSibling)
- c = push(scanNode, node.nextSibling, c);
+ // Advance to next node, return string for current node.
+ function next() {
+ if (!start) throw StopIteration;
+ var node = start;
+ start = node.nextSibling;
if (partNode(node)){
nodeQueue.push(node);
- return yield(node.currentText, c);
+ afterBR = false;
+ return node.currentText;
}
- else if (node.nodeName == "BR") {
+ else if (isBR(node)) {
+ if (afterBR && window.opera)
+ node.parentNode.insertBefore(makePartSpan("", owner), node);
nodeQueue.push(node);
- return yield("\n", c);
+ afterBR = true;
+ return "\n";
}
else {
var end = !node.nextSibling;
point = pointAt(node);
removeElement(node);
- return writeNode(node, c, end);
+ return writeNode(node, end);
}
}
// MochiKit iterators are objects with a next function that
// returns the next value or throws StopIteration when there are
// no more values.
- return {next: function(){return cc();}, nodes: nodeQueue};
+ return {next: next, nodes: nodeQueue};
}
// Determine the text size of a processed node.
function nodeSize(node) {
- if (node.nodeName == "BR")
- return 1;
- else
- return node.currentText.length;
+ return isBR(node) ? 1 : node.currentText.length;
}
// Search backwards through the top-level nodes until the next BR or
// the start of the frame.
function startOfLine(node) {
- while (node && node.nodeName != "BR") node = node.previousSibling;
+ while (node && !isBR(node)) node = node.previousSibling;
return node;
}
function endOfLine(node, container) {
if (!node) node = container.firstChild;
- else if (node.nodeName == "BR") node = node.nextSibling;
+ else if (isBR(node)) node = node.nextSibling;
- while (node && node.nodeName != "BR") node = node.nextSibling;
+ while (node && !isBR(node)) node = node.nextSibling;
return node;
}
// indicating whether anything was found, and can be called again to
// skip to the next find. Use the select and replace methods to
// actually do something with the found locations.
- function SearchCursor(editor, string, fromCursor, regexp, case_sensitive) {
-
- function casedIndexOf(hay, needle, case_sensitive) {
- if (case_sensitive)
- return hay.indexOf(needle);
- else
- return hay.toLowerCase().indexOf(needle.toLowerCase())
- }
-
- function casedLastIndexOf(hay, needle, case_sensitive) {
- if (case_sensitive)
- return hay.lastIndexOf(needle);
- else
- return hay.toLowerCase().lastIndexOf(needle.toLowerCase());
- }
-
- function casedEqual(a, b, case_sensitive) {
- if (case_sensitive)
- return a == b;
- else
- return a.toLowerCase() == b.toLowerCase();
- }
-
+ function SearchCursor(editor, string, fromCursor, caseFold) {
this.editor = editor;
+ if (caseFold == undefined) {
+ caseFold = (string == string.toLowerCase());
+ }
+ this.caseFold = caseFold;
+ if (caseFold) string = string.toLowerCase();
this.history = editor.history;
this.history.commit();
// For one-line strings, searching can be done simply by calling
// indexOf on the current line.
function() {
- var match = casedIndexOf(cleanText(self.history.textAfter(self.line).slice(self.offset)),
- string, case_sensitive);
+ var line = cleanText(self.history.textAfter(self.line).slice(self.offset));
+ var match = (self.caseFold ? line.toLowerCase() : line).indexOf(string);
if (match > -1)
return {from: {node: self.line, offset: self.offset + match},
to: {node: self.line, offset: self.offset + match + string.length}};
// end of the line and the last match starts at the start.
function() {
var firstLine = cleanText(self.history.textAfter(self.line).slice(self.offset));
- var match = casedLastIndexOf(firstLine, target[0], case_sensitive);
+ var match = (self.caseFold ? firstLine.toLowerCase() : firstLine).lastIndexOf(target[0]);
if (match == -1 || match != firstLine.length - target[0].length)
return false;
var startOffset = self.offset + match;
var line = self.history.nodeAfter(self.line);
for (var i = 1; i < target.length - 1; i++) {
- if (!casedEqual(cleanText(self.history.textAfter(line)), target[i], case_sensitive))
+ var lineText = cleanText(self.history.textAfter(line));
+ if ((self.caseFold ? lineText.toLowerCase() : lineText) != target[i])
return false;
line = self.history.nodeAfter(line);
}
- if (casedIndexOf(cleanText(self.history.textAfter(line)), target[target.length - 1], case_sensitive) != 0)
+ var lastLine = cleanText(self.history.textAfter(line));
+ if ((self.caseFold ? lastLine.toLowerCase() : lastLine).indexOf(target[target.length - 1]) != 0)
return false;
return {from: {node: self.line, offset: startOffset},
this.doc = document;
var container = this.container = this.doc.body;
this.win = window;
- this.history = new History(container, options.undoDepth, options.undoDelay,
- this, options.onChange);
+ this.history = new UndoHistory(container, options.undoDepth, options.undoDelay, this);
var self = this;
if (!Editor.Parser)
select.setCursorPos(container, {node: null, offset: 0});
this.dirty = [];
- if (options.content)
- this.importCode(options.content);
- else // FF acts weird when the editable document is completely empty
- container.appendChild(this.doc.createElement("BR"));
+ this.importCode(options.content || "");
+ this.history.onChange = options.onChange;
if (!options.readOnly) {
if (options.continuousScanning !== false) {
}
function setEditable() {
- // In IE, designMode frames can not run any scripts, so we use
- // contentEditable instead.
+ // Use contentEditable instead of designMode on IE, since designMode frames
+ // can not run any scripts. It would be nice if we could use contentEditable
+ // everywhere, but it is significantly flakier than designMode on every
+ // single non-IE browser.
if (document.body.contentEditable != undefined && internetExplorer)
document.body.contentEditable = "true";
else
addEventHandler(document.body, "mouseup", cursorActivity);
addEventHandler(document.body, "cut", cursorActivity);
+ // workaround for a gecko bug [?] where going forward and then
+ // back again breaks designmode (no more cursor)
+ if (gecko)
+ addEventHandler(this.win, "pagehide", function(){self.unloaded = true;});
+
addEventHandler(document.body, "paste", function(event) {
cursorActivity();
var text = null;
}
catch(e) {}
if (text !== null) {
- self.replaceSelection(text);
event.stop();
+ self.replaceSelection(text);
+ select.scrollToCursor(self.container);
}
});
- addEventHandler(document.body, "beforepaste", method(this, "reroutePasteEvent"));
-
if (this.options.autoMatchParens)
- addEventHandler(document.body, "click", method(this, "scheduleParenBlink"));
+ addEventHandler(document.body, "click", method(this, "scheduleParenHighlight"));
}
else if (!options.textWrapping) {
container.style.whiteSpace = "nowrap";
var accum = [];
select.markSelection(this.win);
forEach(traverseDOM(this.container.firstChild), method(accum, "push"));
- webkitLastLineHack(this.container);
select.selectMarked();
return cleanText(accum.join(""));
},
return startOfLine(line.previousSibling);
},
+ visibleLineCount: function() {
+ var line = this.container.firstChild;
+ while (line && isBR(line)) line = line.nextSibling; // BR heights are unreliable
+ if (!line) return false;
+ var innerHeight = (window.innerHeight
+ || document.documentElement.clientHeight
+ || document.body.clientHeight);
+ return Math.floor(innerHeight / line.offsetHeight);
+ },
+
selectLines: function(startLine, startOffset, endLine, endOffset) {
this.checkLine(startLine);
var start = {node: startLine, offset: startOffset}, end = null;
},
lineContent: function(line) {
- this.checkLine(line);
var accum = [];
for (line = line ? line.nextSibling : this.container.firstChild;
- line && line.nodeName != "BR"; line = line.nextSibling)
+ line && !isBR(line); line = line.nextSibling)
accum.push(nodeText(line));
return cleanText(accum.join(""));
},
this.scheduleHighlight();
},
+ removeLine: function(line) {
+ var node = line ? line.nextSibling : this.container.firstChild;
+ while (node) {
+ var next = node.nextSibling;
+ removeElement(node);
+ if (isBR(node)) break;
+ node = next;
+ }
+ this.addDirtyNode(line);
+ this.scheduleHighlight();
+ },
+
insertIntoLine: function(line, position, content) {
var before = null;
if (position == "end") {
before = cur;
break;
}
- var text = (cur.innerText || cur.textContent || cur.nodeValue || "");
+ var text = nodeText(cur);
if (text.length > position) {
before = cur.nextSibling;
content = text.slice(0, position) + content + text.slice(position);
return cleanText(text.join("\n"));
},
- // Replace the selection with another p
- // iece of text.
+ // Replace the selection with another piece of text.
replaceSelection: function(text) {
this.history.commit();
if (!start || !end) return;
end = this.replaceRange(start, end, text);
- // select.setCursorPos(this.container, end);
- webkitLastLineHack(this.container);
+ select.setCursorPos(this.container, end);
+ },
+
+ cursorCoords: function(start) {
+ var sel = select.cursorPos(this.container, start);
+ if (!sel) return null;
+ var off = sel.offset, node = sel.node, doc = this.win.document, self = this;
+ function measureFromNode(node, xOffset) {
+ var y = -(self.win.document.body.scrollTop || self.win.document.documentElement.scrollTop || 0),
+ x = -(self.win.document.body.scrollLeft || self.win.document.documentElement.scrollLeft || 0) + xOffset;
+ forEach([node, self.win.frameElement], function(n) {
+ while (n) {x += n.offsetLeft; y += n.offsetTop;n = n.offsetParent;}
+ });
+ return {x: x, y: y, yBot: y + node.offsetHeight};
+ }
+ function withTempNode(text, f) {
+ var node = doc.createElement("SPAN");
+ node.appendChild(doc.createTextNode(text));
+ try {return f(node);}
+ finally {if (node.parentNode) node.parentNode.removeChild(node);}
+ }
+
+ while (off) {
+ node = node ? node.nextSibling : this.container.firstChild;
+ var txt = nodeText(node);
+ if (off < txt.length)
+ return withTempNode(txt.substr(0, off), function(tmp) {
+ tmp.style.position = "absolute"; tmp.style.visibility = "hidden";
+ tmp.className = node.className;
+ self.container.appendChild(tmp);
+ return measureFromNode(node, tmp.offsetWidth);
+ });
+ off -= txt.length;
+ }
+ if (node && isSpan(node))
+ return measureFromNode(node, node.offsetWidth);
+ else if (node && node.nextSibling && isSpan(node.nextSibling))
+ return measureFromNode(node.nextSibling, 0);
+ else
+ return withTempNode("\u200b", function(tmp) {
+ if (node) node.parentNode.insertBefore(tmp, node.nextSibling);
+ else self.container.insertBefore(tmp, self.container.firstChild);
+ return measureFromNode(tmp, 0);
+ });
},
reroutePasteEvent: function() {
if (this.capturingPaste || window.opera) return;
this.capturingPaste = true;
- var te = parent.document.createElement("TEXTAREA");
- te.style.position = "absolute";
- te.style.left = "-500px";
- te.style.width = "10px";
- te.style.top = nodeTop(frameElement) + "px";
- parent.document.body.appendChild(te);
+ var te = window.frameElement.CodeMirror.textareaHack;
parent.focus();
+ te.value = "";
te.focus();
var self = this;
self.capturingPaste = false;
self.win.focus();
if (self.selectionSnapshot) // IE hack
- self.win.select.selectCoords(self.win, self.selectionSnapshot);
+ self.win.select.setBookmark(self.container, self.selectionSnapshot);
var text = te.value;
- if (text) self.replaceSelection(text);
- removeElement(te);
+ if (text) {
+ self.replaceSelection(text);
+ select.scrollToCursor(self.container);
+ }
}, 10);
},
offset: lastLine.length};
},
- getSearchCursor: function(string, fromCursor, regexp, case_sensitive) {
- return new SearchCursor(this, string, fromCursor, regexp, case_sensitive);
+ getSearchCursor: function(string, fromCursor, caseFold) {
+ return new SearchCursor(this, string, fromCursor, caseFold);
},
// Re-indent the whole buffer
},
ungrabKeys: function() {
this.frozen = "leave";
- this.keyFilter = null;
},
- setParser: function(name) {
+ setParser: function(name, parserConfig) {
Editor.Parser = window[name];
+ parserConfig = parserConfig || this.options.parserConfig;
+ if (parserConfig && Editor.Parser.configure)
+ Editor.Parser.configure(parserConfig);
+
if (this.container.firstChild) {
forEach(this.container.childNodes, function(n) {
if (n.nodeType != 3) n.dirty = true;
// Intercept enter and tab, and assign their new functions.
keyDown: function(event) {
- if (this.frozen == "leave") this.frozen = null;
- if (this.frozen && (!this.keyFilter || this.keyFilter(event))) {
+ if (this.frozen == "leave") {this.frozen = null; this.keyFilter = null;}
+ if (this.frozen && (!this.keyFilter || this.keyFilter(event.keyCode, event))) {
event.stop();
this.frozen(event);
return;
}
- var code = event.keyCode;
+ var code = this.lastKeyDownCode = event.keyCode;
// Don't scan when the user is typing.
this.delayScanning();
// Schedule a paren-highlight event, if configured.
if (this.options.autoMatchParens)
- this.scheduleParenBlink();
+ this.scheduleParenHighlight();
// The various checks for !altKey are there because AltGr sets both
// ctrlKey and altKey to true, and should not be recognised as
}
event.stop();
}
- else if (code == 9 && this.options.tabMode != "default") { // tab
- this.handleTab(!event.ctrlKey && !event.shiftKey);
+ else if (code == 9 && this.options.tabMode != "default" && !event.ctrlKey) { // tab
+ this.handleTab(!event.shiftKey);
event.stop();
}
else if (code == 32 && event.shiftKey && this.options.tabMode == "default") { // space
event.stop();
}
else if (code == 36 && !event.shiftKey && !event.ctrlKey) { // home
- if (this.home())
- event.stop();
+ if (this.home()) event.stop();
+ }
+ else if (code == 35 && !event.shiftKey && !event.ctrlKey) { // end
+ if (this.end()) event.stop();
+ }
+ // Only in Firefox is the default behavior for PgUp/PgDn correct.
+ else if (code == 33 && !event.shiftKey && !event.ctrlKey && !gecko) { // PgUp
+ if (this.pageUp()) event.stop();
+ }
+ else if (code == 34 && !event.shiftKey && !event.ctrlKey && !gecko) { // PgDn
+ if (this.pageDown()) event.stop();
}
else if ((code == 219 || code == 221) && event.ctrlKey && !event.altKey) { // [, ]
- this.blinkParens(event.shiftKey);
+ this.highlightParens(event.shiftKey, true);
event.stop();
}
else if (event.metaKey && !event.shiftKey && (code == 37 || code == 39)) { // Meta-left/right
var cursor = select.selectionTopNode(this.container);
- if (cursor === false || !this.container.firstChild) return;
-
- if (code == 37) select.focusAfterNode(startOfLine(cursor), this.container);
- else {
- var end = endOfLine(cursor, this.container);
- select.focusAfterNode(end ? end.previousSibling : this.container.lastChild, this.container);
+ if (cursor !== false && this.container.firstChild) {
+ if (code == 37) select.focusAfterNode(startOfLine(cursor), this.container);
+ else {
+ var end = endOfLine(cursor, this.container);
+ select.focusAfterNode(end ? end.previousSibling : this.container.lastChild, this.container);
+ }
+ event.stop();
}
- event.stop();
}
else if ((event.ctrlKey || event.metaKey) && !event.altKey) {
if ((event.shiftKey && code == 90) || code == 89) { // shift-Z, Y
this.options.saveFunction();
event.stop();
}
+ else if (internetExplorer && code == 86) {
+ this.reroutePasteEvent();
+ }
}
+ this.keyUpOrPressAfterLastKeyDown = false;
},
// Check for characters that should re-indent the current line,
// and prevent Opera from handling enter and tab anyway.
keyPress: function(event) {
+ this.keyUpOrPressAfterLastKeyDown = true;
var electric = Editor.Parser.electricChars, self = this;
// Hack for Opera, and Firefox on OS X, in which stopping a
// keydown event does not prevent the associated keypress event
// from happening, so we have to cancel enter and tab again
// here.
- if ((this.frozen && (!this.keyFilter || this.keyFilter(event.keyCode))) ||
+ if ((this.frozen && (!this.keyFilter || this.keyFilter(event.keyCode || event.code, event))) ||
event.code == 13 || (event.code == 9 && this.options.tabMode != "default") ||
- (event.keyCode == 32 && event.shiftKey && this.options.tabMode == "default"))
+ (event.code == 32 && event.shiftKey && this.options.tabMode == "default"))
event.stop();
else if (electric && electric.indexOf(event.character) != -1)
this.parent.setTimeout(function(){self.indentAtCursor(null);}, 0);
else if ((event.character == "v" || event.character == "V")
&& (event.ctrlKey || event.metaKey) && !event.altKey) // ctrl-V
this.reroutePasteEvent();
+ // Work around a bug where pressing backspace at the end of a
+ // line often causes the cursor to jump to the start of the line
+ // in Opera 10.60.
+ else if (brokenOpera && event.code == 8) {
+ var sel = select.selectionTopNode(this.container), self = this,
+ next = sel ? sel.nextSibling : this.container.firstChild;
+ if (sel !== false && next && isBR(next))
+ this.parent.setTimeout(function(){
+ if (select.selectionTopNode(self.container) == next)
+ select.focusAfterNode(next.previousSibling, self.container);
+ }, 20);
+ }
},
// Mark the node at the cursor dirty when a non-safe key is
// released.
keyUp: function(event) {
+ this.keyUpOrPressAfterLastKeyDown = true;
this.cursorActivity(isSafeKey(event.keyCode));
},
if (whiteSpace) {
whiteSpace.currentText = makeWhiteSpace(newIndent);
whiteSpace.firstChild.nodeValue = whiteSpace.currentText;
+ select.snapshotMove(whiteSpace.firstChild, whiteSpace.firstChild, indentDiff, true);
}
// Otherwise, we have to add a new whitespace node.
else {
whiteSpace.className = "whitespace";
if (start) insertAfter(whiteSpace, start);
else this.container.insertBefore(whiteSpace, this.container.firstChild);
+ select.snapshotMove(firstText && (firstText.firstChild || firstText),
+ whiteSpace.firstChild, newIndent, false, true);
}
- if (firstText) select.snapshotMove(firstText.firstChild, whiteSpace.firstChild, curIndent, false, true);
}
if (indentDiff != 0) this.addDirtyNode(start);
- return whiteSpace;
},
// Re-highlight the selected part of the document.
highlightAtCursor: function() {
var pos = select.selectionTopNode(this.container, true);
var to = select.selectionTopNode(this.container, false);
- if (pos === false || to === false) return;
+ if (pos === false || to === false) return false;
select.markSelection(this.win);
if (this.highlight(pos, endOfLine(to, this.container), true, 20) === false)
this.reindentSelection(direction);
},
+ // Custom home behaviour that doesn't land the cursor in front of
+ // leading whitespace unless pressed twice.
home: function() {
var cur = select.selectionTopNode(this.container, true), start = cur;
- if (cur === false || !(!cur || cur.isPart || cur.nodeName == "BR") || !this.container.firstChild)
+ if (cur === false || !(!cur || cur.isPart || isBR(cur)) || !this.container.firstChild)
return false;
- while (cur && cur.nodeName != "BR") cur = cur.previousSibling;
+ while (cur && !isBR(cur)) cur = cur.previousSibling;
var next = cur ? cur.nextSibling : this.container.firstChild;
if (next && next != start && next.isPart && hasClass(next, "whitespace"))
select.focusAfterNode(next, this.container);
return true;
},
- // Delay (or initiate) the next paren blink event.
- scheduleParenBlink: function() {
+ // Some browsers (Opera) don't manage to handle the end key
+ // properly in the face of vertical scrolling.
+ end: function() {
+ var cur = select.selectionTopNode(this.container, true);
+ if (cur === false) return false;
+ cur = endOfLine(cur, this.container);
+ if (!cur) return false;
+ select.focusAfterNode(cur.previousSibling, this.container);
+ select.scrollToCursor(this.container);
+ return true;
+ },
+
+ pageUp: function() {
+ var line = this.cursorPosition().line, scrollAmount = this.visibleLineCount();
+ if (line === false || scrollAmount === false) return false;
+ // Try to keep one line on the screen.
+ scrollAmount -= 2;
+ for (var i = 0; i < scrollAmount; i++) {
+ line = this.prevLine(line);
+ if (line === false) break;
+ }
+ if (i == 0) return false; // Already at first line
+ select.setCursorPos(this.container, {node: line, offset: 0});
+ select.scrollToCursor(this.container);
+ return true;
+ },
+
+ pageDown: function() {
+ var line = this.cursorPosition().line, scrollAmount = this.visibleLineCount();
+ if (line === false || scrollAmount === false) return false;
+ // Try to move to the last line of the current page.
+ scrollAmount -= 2;
+ for (var i = 0; i < scrollAmount; i++) {
+ var nextLine = this.nextLine(line);
+ if (nextLine === false) break;
+ line = nextLine;
+ }
+ if (i == 0) return false; // Already at last line
+ select.setCursorPos(this.container, {node: line, offset: 0});
+ select.scrollToCursor(this.container);
+ return true;
+ },
+
+ // Delay (or initiate) the next paren highlight event.
+ scheduleParenHighlight: function() {
if (this.parenEvent) this.parent.clearTimeout(this.parenEvent);
var self = this;
- this.parenEvent = this.parent.setTimeout(function(){self.blinkParens();}, 300);
+ this.parenEvent = this.parent.setTimeout(function(){self.highlightParens();}, 300);
},
// Take the token before the cursor. If it contains a character in
// '()[]{}', search for the matching paren/brace/bracket, and
// highlight them in green for a moment, or red if no proper match
// was found.
- blinkParens: function(jump) {
+ highlightParens: function(jump, fromKey) {
+ var self = this;
+ // give the relevant nodes a colour.
+ function highlight(node, ok) {
+ if (!node) return;
+ if (self.options.markParen) {
+ self.options.markParen(node, ok);
+ }
+ else {
+ node.style.fontWeight = "bold";
+ node.style.color = ok ? "#8F8" : "#F88";
+ }
+ }
+ function unhighlight(node) {
+ if (!node) return;
+ if (self.options.unmarkParen) {
+ self.options.unmarkParen(node);
+ }
+ else {
+ node.style.fontWeight = "";
+ node.style.color = "";
+ }
+ }
+ if (!fromKey && self.highlighted) {
+ unhighlight(self.highlighted[0]);
+ unhighlight(self.highlighted[1]);
+ }
+
if (!window.select) return;
// Clear the event property.
if (this.parenEvent) this.parent.clearTimeout(this.parenEvent);
return /[\(\[\{]/.test(ch);
}
- var ch, self = this, cursor = select.selectionTopNode(this.container, true);
+ var ch, cursor = select.selectionTopNode(this.container, true);
if (!cursor || !this.highlightAtCursor()) return;
cursor = select.selectionTopNode(this.container, true);
if (!(cursor && ((ch = paren(cursor)) || (cursor = cursor.nextSibling) && (ch = paren(cursor)))))
// have to scan, we just try, and when we find dirty nodes we
// abort, parse them, and re-try.
function tryFindMatch() {
- var stack = [], ch, ok = true;;
+ var stack = [], ch, ok = true;
for (var runner = cursor; runner; runner = dir ? runner.nextSibling : runner.previousSibling) {
- if (runner.className == className && runner.nodeName == "SPAN" && (ch = paren(runner))) {
+ if (runner.className == className && isSpan(runner) && (ch = paren(runner))) {
if (forward(ch) == dir)
stack.push(ch);
else if (!stack.length)
ok = false;
if (!stack.length) break;
}
- else if (runner.dirty || runner.nodeName != "SPAN" && runner.nodeName != "BR") {
+ else if (runner.dirty || !isSpan(runner) && !isBR(runner)) {
return {node: runner, status: "dirty"};
}
}
return {node: runner, status: runner && ok};
}
- // Temporarily give the relevant nodes a colour.
- function blink(node, ok) {
- node.style.fontWeight = "bold";
- node.style.color = ok ? "#8F8" : "#F88";
- self.parent.setTimeout(function() {node.style.fontWeight = ""; node.style.color = "";}, 500);
- }
while (true) {
var found = tryFindMatch();
continue;
}
else {
- blink(cursor, found.status);
- if (found.node) {
- blink(found.node, found.status);
- if (jump) select.focusAfterNode(found.node.previousSibling, this.container);
- }
+ highlight(cursor, found.status);
+ highlight(found.node, found.status);
+ if (fromKey)
+ self.parent.setTimeout(function() {unhighlight(cursor); unhighlight(found.node);}, 500);
+ else
+ self.highlighted = [cursor, found.node];
+ if (jump && found.node)
+ select.focusAfterNode(found.node.previousSibling, this.container);
break;
}
}
// there's nothing to indent.
if (cursor === false)
return;
- var lineStart = startOfLine(cursor);
- var whiteSpace = this.indentLineAfter(lineStart, direction);
- if (cursor == lineStart && whiteSpace)
- cursor = whiteSpace;
- // This means the indentation has probably messed up the cursor.
- if (cursor == whiteSpace)
- select.focusAfterNode(cursor, this.container);
+ select.markSelection(this.win);
+ this.indentLineAfter(startOfLine(cursor), direction);
+ select.selectMarked();
},
// Indent all lines whose start falls inside of the current
// selection.
indentRegion: function(start, end, direction) {
var current = (start = startOfLine(start)), before = start && startOfLine(start.previousSibling);
- if (end.nodeName != "BR") end = endOfLine(end, this.container);
+ if (!isBR(end)) end = endOfLine(end, this.container);
+ this.addDirtyNode(start);
do {
var next = endOfLine(current, this.container);
// Find the node that the cursor is in, mark it as dirty, and make
// sure a highlight pass is scheduled.
cursorActivity: function(safe) {
+ // pagehide event hack above
+ if (this.unloaded) {
+ this.win.document.designMode = "off";
+ this.win.document.designMode = "on";
+ this.unloaded = false;
+ }
+
if (internetExplorer) {
this.container.createTextRange().execCommand("unlink");
- this.selectionSnapshot = select.selectionCoords(this.win);
+ this.selectionSnapshot = select.getBookmark(this.container);
}
var activity = this.options.cursorActivity;
this.dirty.push(node);
},
+ allClean: function() {
+ return !this.dirty.length;
+ },
+
// Cause a highlight pass to happen in options.passDelay
// milliseconds. Clear the existing timeout, if one exists. This
// way, the passes do not happen while the user is typing, and
// If the node has been coloured in the meantime, or is no
// longer in the document, it should not be returned.
while (found && found.parentNode != this.container)
- found = found.parentNode
+ found = found.parentNode;
if (found && (found.dirty || found.nodeType == 3))
return found;
} catch (e) {}
highlightDirty: function(force) {
// Prevent FF from raising an error when it is firing timeouts
// on a page that's no longer loaded.
- if (!window.select) return;
+ if (!window.select) return false;
if (!this.options.readOnly) select.markSelection(this.win);
var start, endTime = force ? null : time() + this.options.passTime;
}
},
+ isIMEOn: function() {
+ // chrome: keyDown keyCode is 229 while IME on
+ // firefox: no keyUps or keyPresses fires after first keyDown while IME on
+ return this.lastKeyDownCode == 229 || this.keyUpOrPressAfterLastKeyDown === false;
+ },
+
// The function that does the actual highlighting/colouring (with
// help from the parser and the DOM normalizer). Its interface is
// rather overcomplicated, because it is used in different
var container = this.container, self = this, active = this.options.activeTokens;
var endTime = (typeof target == "number" ? target : null);
- if (!container.firstChild)
- return;
+ if (!container.firstChild || this.isIMEOn())
+ return false;
// Backtrack to the first node before from that has a partial
// parse stored.
while (from && (!from.parserFromHere || from.dirty)) {
- if (maxBacktrack != null && from.nodeName == "BR" && (--maxBacktrack) < 0)
+ if (maxBacktrack != null && isBR(from) && (--maxBacktrack) < 0)
return false;
from = from.previousSibling;
}
// If we are at the end of the document, do nothing.
if (from && !from.nextSibling)
- return;
+ return false;
// Check whether a part (<span> node) and the corresponding token
// match.
}
// Create a part corresponding to a given token.
function tokenPart(token){
- var part = makePartSpan(token.value, self.doc);
+ var part = makePartSpan(token.value, self.doc);
part.className = token.style;
return part;
}
stream = stringStream(traversal),
parsed = from ? from.parserFromHere(stream) : Editor.Parser.make(stream);
+ function surroundedByBRs(node) {
+ return (node.previousSibling == null || isBR(node.previousSibling)) &&
+ (node.nextSibling == null || isBR(node.nextSibling));
+ }
+
// parts is an interface to make it possible to 'delay' fetching
// the next DOM node until we are completely done with the one
// before it. This is necessary because often the next node is
// Allow empty nodes when they are alone on a line, needed
// for the FF cursor bug workaround (see select.js,
// insertNewlineAtCursor).
- while (part && part.nodeName == "SPAN" && part.currentText == "") {
- var old = part;
- this.remove();
- part = this.get();
- // Adjust selection information, if any. See select.js for details.
- select.snapshotMove(old.firstChild, part && (part.firstChild || part), 0);
+ while (part && isSpan(part) && part.currentText == "") {
+ // Leave empty nodes that are alone on a line alone in
+ // Opera, since that browsers doesn't deal well with
+ // having 2 BRs in a row.
+ if (window.opera && surroundedByBRs(part)) {
+ this.next();
+ part = this.get();
+ }
+ else {
+ var old = part;
+ this.remove();
+ part = this.get();
+ // Adjust selection information, if any. See select.js for details.
+ select.snapshotMove(old.firstChild, part && (part.firstChild || part), 0);
+ }
}
+
return part;
}
};
if (token.value == "\n"){
// The idea of the two streams actually staying synchronized
// is such a long shot that we explicitly check.
- if (part.nodeName != "BR")
+ if (!isBR(part))
throw "Parser out of sync. Expected BR.";
if (part.dirty || !part.indentation) lineDirty = true;
parts.next();
}
else {
- if (part.nodeName != "SPAN")
+ if (!isSpan(part))
throw "Parser out of sync. Expected SPAN.";
if (part.dirty)
lineDirty = true;
}
});
maybeTouch(from);
- webkitLastLineHack(this.container);
// The function returns some status information that is used by
// hightlightDirty to determine whether and where it has to
addEventHandler(window, "load", function() {
var CodeMirror = window.frameElement.CodeMirror;
- CodeMirror.editor = new Editor(CodeMirror.options);
+ var e = CodeMirror.editor = new Editor(CodeMirror.options);
this.parent.setTimeout(method(CodeMirror, "init"), 0);
});
fnp / redakcja.git / blobdiff