X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/36f6233fd79390ad5af8a1532eac60a0ae57c825..f938afb8ab4cb091d12e0ef0311eaea14b774798:/redakcja/static/js/lib/codemirror/codemirror.js diff --git a/redakcja/static/js/lib/codemirror/codemirror.js b/redakcja/static/js/lib/codemirror/codemirror.js new file mode 100644 index 00000000..8c62dab9 --- /dev/null +++ b/redakcja/static/js/lib/codemirror/codemirror.js @@ -0,0 +1,295 @@ +/* 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; + + 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; + } + + update(); + win.addEventHandler(win, "scroll", update); + win.addEventHandler(win, "resize", update); + } + + 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 = [""]; + // Hack to work around a bunch of IE8-specific problems. + html.push(""); + 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 = { + 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; +})();