+++ /dev/null
-/* CodeMirror main module
- *
- * Implements the CodeMirror constructor and prototype, which take care
- * of initializing the editor frame, and providing the outside interface.
- */
-
-// The CodeMirrorConfig object is used to specify a default
-// configuration. If you specify such an object before loading this
-// file, the values you put into it will override the defaults given
-// below. You can also assign to it after loading.
-var CodeMirrorConfig = window.CodeMirrorConfig || {};
-
-var CodeMirror = (function(){
- function setDefaults(object, defaults) {
- for (var option in defaults) {
- if (!object.hasOwnProperty(option))
- object[option] = defaults[option];
- }
- }
- function forEach(array, action) {
- for (var i = 0; i < array.length; i++)
- action(array[i]);
- }
-
- // These default options can be overridden by passing a set of
- // options to a specific CodeMirror constructor. See manual.html for
- // their meaning.
- setDefaults(CodeMirrorConfig, {
- stylesheet: "",
- path: "",
- parserfile: [],
- basefiles: ["util.js", "stringstream.js", "select.js", "undo.js", "editor.js", "tokenize.js"],
- iframeClass: null,
- passDelay: 200,
- passTime: 50,
- continuousScanning: false,
- saveFunction: null,
- onChange: null,
- undoDepth: 50,
- undoDelay: 800,
- disableSpellcheck: true,
- textWrapping: true,
- readOnly: false,
- width: "100%",
- height: "300px",
- autoMatchParens: false,
- parserConfig: null,
- tabMode: "indent", // or "spaces", "default", "shift"
- reindentOnLoad: false,
- activeTokens: null,
- cursorActivity: null,
- lineNumbers: false,
- indentUnit: 2
- });
-
- function wrapLineNumberDiv(place) {
- return function(node) {
- var container = document.createElement("DIV"),
- nums = document.createElement("DIV"),
- scroller = document.createElement("DIV");
- container.style.position = "relative";
- nums.style.position = "absolute";
- nums.style.height = "100%";
- if (nums.style.setExpression) {
- try {nums.style.setExpression("height", "this.previousSibling.offsetHeight + 'px'");}
- catch(e) {} // Seems to throw 'Not Implemented' on some IE8 versions
- }
- nums.style.top = "0px";
- nums.style.overflow = "hidden";
- place(container);
- container.appendChild(node);
- container.appendChild(nums);
- scroller.className = "CodeMirror-line-numbers";
- nums.appendChild(scroller);
- }
- }
-
- function applyLineNumbers(frame) {
- var win = frame.contentWindow, doc = win.document,
- nums = frame.nextSibling, scroller = nums.firstChild;
-
- var nextNum = 1, barWidth = null;
- function sizeBar() {
- if (!frame.offsetWidth || !win.Editor) {
- for (var cur = frame; cur.parentNode; cur = cur.parentNode) {
- if (cur != document) {
- clearInterval(sizeInterval);
- return;
- }
- }
- }
-
- if (nums.offsetWidth != barWidth) {
- barWidth = nums.offsetWidth;
- nums.style.left = "-" + (frame.parentNode.style.marginLeft = barWidth + "px");
- }
- }
- function update() {
- var diff = 20 + Math.max(doc.body.offsetHeight, frame.offsetHeight) - scroller.offsetHeight;
- for (var n = Math.ceil(diff / 10); n > 0; n--) {
- var div = document.createElement("DIV");
- div.appendChild(document.createTextNode(nextNum++));
- scroller.appendChild(div);
- }
- nums.scrollTop = doc.body.scrollTop || doc.documentElement.scrollTop || 0;
- }
- sizeBar();
- update();
- win.addEventHandler(win, "scroll", update);
- win.addEventHandler(win, "resize", update);
- var sizeInterval = setInterval(sizeBar, 500);
- }
-
- function CodeMirror(place, options) {
- // Backward compatibility for deprecated options.
- if (options.dumbTabs) options.tabMode = "spaces";
- else if (options.normalTab) options.tabMode = "default";
-
- // Use passed options, if any, to override defaults.
- this.options = options = options || {};
- setDefaults(options, CodeMirrorConfig);
-
- var frame = this.frame = document.createElement("IFRAME");
- if (options.iframeClass) frame.className = options.iframeClass;
- frame.frameBorder = 0;
- frame.src = "javascript:false;";
- frame.style.border = "0";
- frame.style.width = options.width;
- frame.style.height = options.height;
- // display: block occasionally suppresses some Firefox bugs, so we
- // always add it, redundant as it sounds.
- frame.style.display = "block";
-
- if (place.appendChild) {
- var node = place;
- place = function(n){node.appendChild(n);};
- }
- if (options.lineNumbers) place = wrapLineNumberDiv(place);
- place(frame);
-
- // Link back to this object, so that the editor can fetch options
- // and add a reference to itself.
- frame.CodeMirror = this;
- this.win = frame.contentWindow;
-
- if (typeof options.parserfile == "string")
- options.parserfile = [options.parserfile];
- if (typeof options.stylesheet == "string")
- options.stylesheet = [options.stylesheet];
-
- var html = ["<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\"><html><head>"];
- // Hack to work around a bunch of IE8-specific problems.
- html.push("<meta http-equiv=\"X-UA-Compatible\" content=\"IE=EmulateIE7\"/>");
- forEach(options.stylesheet, function(file) {
- html.push("<link rel=\"stylesheet\" type=\"text/css\" href=\"" + file + "\"/>");
- });
- forEach(options.basefiles.concat(options.parserfile), function(file) {
- html.push("<script type=\"text/javascript\" src=\"" + options.path + file + "\"></script>");
- });
- html.push("</head><body style=\"border-width: 0;\" class=\"editbox\" spellcheck=\"" +
- (options.disableSpellcheck ? "false" : "true") + "\"></body></html>");
-
- var doc = this.win.document;
- doc.open();
- doc.write(html.join(""));
- doc.close();
- }
-
- CodeMirror.prototype = {
- init: function() {
- if (this.options.initCallback) this.options.initCallback(this);
- if (this.options.lineNumbers) applyLineNumbers(this.frame);
- if (this.options.reindentOnLoad) this.reindent();
- },
-
- getCode: function() {return this.editor.getCode();},
- setCode: function(code) {this.editor.importCode(code);},
- selection: function() {return this.editor.selectedText();},
- reindent: function() {this.editor.reindent();},
- reindentSelection: function() {this.editor.reindentSelection(null);},
-
- focus: function() {
- this.win.focus();
- if (this.editor.selectionSnapshot) // IE hack
- this.win.select.selectCoords(this.win, this.editor.selectionSnapshot);
- },
- replaceSelection: function(text) {
- this.focus();
- this.editor.replaceSelection(text);
- return true;
- },
- replaceChars: function(text, start, end) {
- this.editor.replaceChars(text, start, end);
- },
- getSearchCursor: function(string, fromCursor) {
- return this.editor.getSearchCursor(string, fromCursor);
- },
-
- undo: function() {this.editor.history.undo();},
- redo: function() {this.editor.history.redo();},
- historySize: function() {return this.editor.history.historySize();},
- clearHistory: function() {this.editor.history.clear();},
-
- grabKeys: function(callback, filter) {this.editor.grabKeys(callback, filter);},
- ungrabKeys: function() {this.editor.ungrabKeys();},
-
- setParser: function(name) {this.editor.setParser(name);},
-
- cursorPosition: function(start) {
- if (this.win.select.ie_selection) this.focus();
- return this.editor.cursorPosition(start);
- },
- firstLine: function() {return this.editor.firstLine();},
- lastLine: function() {return this.editor.lastLine();},
- nextLine: function(line) {return this.editor.nextLine(line);},
- prevLine: function(line) {return this.editor.prevLine(line);},
- lineContent: function(line) {return this.editor.lineContent(line);},
- setLineContent: function(line, content) {this.editor.setLineContent(line, content);},
- insertIntoLine: function(line, position, content) {this.editor.insertIntoLine(line, position, content);},
- selectLines: function(startLine, startOffset, endLine, endOffset) {
- this.win.focus();
- this.editor.selectLines(startLine, startOffset, endLine, endOffset);
- },
- nthLine: function(n) {
- var line = this.firstLine();
- for (; n > 1 && line !== false; n--)
- line = this.nextLine(line);
- return line;
- },
- lineNumber: function(line) {
- var num = 0;
- while (line !== false) {
- num++;
- line = this.prevLine(line);
- }
- return num;
- },
-
- // Old number-based line interface
- jumpToLine: function(n) {
- this.selectLines(this.nthLine(n), 0);
- this.win.focus();
- },
- currentLine: function() {
- return this.lineNumber(this.cursorPosition().line);
- }
- };
-
- CodeMirror.InvalidLineHandle = {toString: function(){return "CodeMirror.InvalidLineHandle";}};
-
- CodeMirror.replace = function(element) {
- if (typeof element == "string")
- element = document.getElementById(element);
- return function(newElement) {
- element.parentNode.replaceChild(newElement, element);
- };
- };
-
- CodeMirror.fromTextArea = function(area, options) {
- if (typeof area == "string")
- area = document.getElementById(area);
-
- options = options || {};
- if (area.style.width && options.width == null)
- options.width = area.style.width;
- if (area.style.height && options.height == null)
- options.height = area.style.height;
- if (options.content == null) options.content = area.value;
-
- if (area.form) {
- function updateField() {
- area.value = mirror.getCode();
- }
- if (typeof area.form.addEventListener == "function")
- area.form.addEventListener("submit", updateField, false);
- else
- area.form.attachEvent("onsubmit", updateField);
- }
-
- function insert(frame) {
- if (area.nextSibling)
- area.parentNode.insertBefore(frame, area.nextSibling);
- else
- area.parentNode.appendChild(frame);
- }
-
- area.style.display = "none";
- var mirror = new CodeMirror(insert, options);
- return mirror;
- };
-
- CodeMirror.isProbablySupported = function() {
- // This is rather awful, but can be useful.
- var match;
- if (window.opera)
- return Number(window.opera.version()) >= 9.52;
- else if (/Apple Computers, Inc/.test(navigator.vendor) && (match = navigator.userAgent.match(/Version\/(\d+(?:\.\d+)?)\./)))
- return Number(match[1]) >= 3;
- else if (document.selection && window.ActiveXObject && (match = navigator.userAgent.match(/MSIE (\d+(?:\.\d*)?)\b/)))
- return Number(match[1]) >= 6;
- else if (match = navigator.userAgent.match(/gecko\/(\d{8})/i))
- return Number(match[1]) >= 20050901;
- else if (match = navigator.userAgent.match(/AppleWebKit\/(\d+)/))
- return Number(match[1]) >= 525;
- else
- return null;
- };
-
- return CodeMirror;
-})();