/* 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"], linesPerPass: 15, passDelay: 200, continuousScanning: false, saveFunction: null, onChange: null, undoDepth: 20, undoDelay: 800, disableSpellcheck: true, textWrapping: true, readOnly: false, width: "100%", height: "300px", autoMatchParens: false, parserConfig: null, dumbTabs: false, activeTokens: null, cursorActivity: null }); function CodeMirror(place, options) { // Use passed options, if any, to override defaults. this.options = options = options || {}; setDefaults(options, CodeMirrorConfig); var frame = this.frame = document.createElement("IFRAME"); 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) place.appendChild(frame); else 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 = [""]; forEach(options.stylesheet, function(file) { html.push(""); }); forEach(options.basefiles.concat(options.parserfile), function(file) { html.push(""); }); html.push(""); var doc = this.win.document; doc.open(); doc.write(html.join("")); doc.close(); } CodeMirror.prototype = { getCode: function() {return this.editor.getCode();}, setCode: function(code) {this.editor.importCode(code);}, selection: function() {return this.editor.selectedText();}, reindent: function() {this.editor.reindent();}, 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); }, 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 = area.style.width; if (area.style.height) 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 (/Chrome\//.test(navigator.userAgent)) return true; else return null; }; return CodeMirror; })();