File "codemirror.js"

Full Path: /home/asmplong/www/ancien-site-2019/site/components/com_jce/editor/tiny_mce/plugins/source/js/codemirror/codemirror.js
File size: 20.84 KB
MIME-type: text/html
Charset: utf-8

/* CodeMirror main module (http://codemirror.net/)
*
* 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]);
	}

	function createHTMLElement(el) {
		if (document.createElementNS && document.documentElement.namespaceURI !== null)
			return document.createElementNS("http://www.w3.org/1999/xhtml", el)
		else
			return document.createElement(el)
	}

	// 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,
		lineNumberDelay: 200,
		lineNumberTime: 50,
		continuousScanning: false,
		saveFunction: null,
		onLoad: null,
		onChange: null,
		undoDepth: 50,
		undoDelay: 800,
		disableSpellcheck: true,
		textWrapping: true,
		readOnly: false,
		width: "",
		height: "300px",
		minHeight: 100,
		onDynamicHeightChange: null,
		autoMatchParens: false,
		markParen: null,
		unmarkParen: null,
		parserConfig: null,
		tabMode: "indent", // or "spaces", "default", "shift"
		enterMode: "indent", // or "keep", "flat"
		electricChars: true,
		reindentOnLoad: false,
		activeTokens: null,
		onCursorActivity: null,
		lineNumbers: false,
		firstLineNumber: 1,
		onLineNumberClick: null,
		indentUnit: 2,
		domain: null,
		noScriptCaching: false,
		incrementalLoading: false
	});

	function addLineNumberDiv(container, firstNum) {
		var nums = createHTMLElement("div"),
		scroller = createHTMLElement("div");
		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.left = "0px";
		nums.style.overflow = "hidden";
		container.appendChild(nums);
		scroller.className = "CodeMirror-line-numbers";
		nums.appendChild(scroller);
		scroller.innerHTML = "<div>" + firstNum + "</div>";
		return nums;
	}

	function frameHTML(options) {
		if (typeof options.parserfile == "string")
			options.parserfile = [options.parserfile];
		if (typeof options.basefiles == "string")
			options.basefiles = [options.basefiles];
		if (typeof options.stylesheet == "string")
			options.stylesheet = [options.stylesheet];

		var sp = " spellcheck=\"" + (options.disableSpellcheck ? "false" : "true") + "\"";
		var html = ["<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\"><html" + sp + "><head>"];
		// Hack to work around a bunch of IE8-specific problems.
		html.push("<meta http-equiv=\"X-UA-Compatible\" content=\"IE=EmulateIE7\"/>");
		var queryStr = options.noScriptCaching ? "?nocache=" + new Date().getTime().toString(16) : "";
		forEach(options.stylesheet, function(file) {
			html.push("<link rel=\"stylesheet\" type=\"text/css\" href=\"" + file + queryStr + "\"/>");
		});
		forEach(options.basefiles.concat(options.parserfile), function(file) {
			if (!/^https?:/.test(file))
				file = options.path + file;
			html.push("<script type=\"text/javascript\" src=\"" + file + queryStr + "\"><" + "/script>");
		});
		html.push("</head><body style=\"border-width: 0;\" class=\"editbox\"" + sp + "></body></html>");
		return html.join("");
	}

	var internetExplorer = document.selection && window.ActiveXObject && /MSIE/.test(navigator.userAgent);

	function CodeMirror(place, options) {
		// Use passed options, if any, to override defaults.
		this.options = options = options || {};
		setDefaults(options, CodeMirrorConfig);

		// Backward compatibility for deprecated options.
		if (options.dumbTabs)
			options.tabMode = "spaces";
		else if (options.normalTab)
			options.tabMode = "default";
		if (options.cursorActivity)
			options.onCursorActivity = options.cursorActivity;

		var frame = this.frame = createHTMLElement("iframe");
		if (options.iframeClass)
			frame.className = options.iframeClass;
		frame.frameBorder = 0;
		frame.style.border = "0";
		frame.style.width = '100%';
		frame.style.height = '100%';
		// display: block occasionally suppresses some Firefox bugs, so we
		// always add it, redundant as it sounds.
		frame.style.display = "block";

		var div = this.wrapping = createHTMLElement("div");
		div.style.position = "relative";
		div.className = "CodeMirror-wrapping";
		div.style.width = options.width;
		div.style.height = (options.height == "dynamic") ? options.minHeight + "px" : options.height;
		// This is used by Editor.reroutePasteEvent
		var teHack = this.textareaHack = createHTMLElement("textarea");
		div.appendChild(teHack);
		teHack.style.position = "absolute";
		teHack.style.left = "-10000px";
		teHack.style.width = "10px";
		teHack.tabIndex = 100000;

		// Link back to this object, so that the editor can fetch options
		// and add a reference to itself.
		frame.CodeMirror = this;
		if (options.domain && internetExplorer) {
			this.html = frameHTML(options);
			frame.src = "javascript:(function(){document.open();" +
			(options.domain ? "document.domain=\"" + options.domain + "\";" : "") +
			"document.write(window.frameElement.CodeMirror.html);document.close();})()";
		} else {
			frame.src = "javascript:;";
		}

		if (place.appendChild)
			place.appendChild(div);
		else
			place(div);
		div.appendChild(frame);
		if (options.lineNumbers)
			this.lineNumbers = addLineNumberDiv(div, options.firstLineNumber);

		this.win = frame.contentWindow;
		if (!options.domain || !internetExplorer) {
			this.win.document.open();
			this.win.document.write(frameHTML(options));
			this.win.document.close();
		}
	}

	CodeMirror.prototype = {
		init: function() {
			// Deprecated, but still supported.
			if (this.options.initCallback)
				this.options.initCallback(this);
			if (this.options.onLoad)
				this.options.onLoad(this);
			if (this.options.lineNumbers)
				this.activateLineNumbers();
			if (this.options.reindentOnLoad)
				this.reindent();
			if (this.options.height == "dynamic")
				this.setDynamicHeight();
		},
		getCode: function() {
			return this.editor.getCode();
		},
		setCode: function(code) {
			this.editor.importCode(code);
		},
		selection: function() {
			this.focusIfIE();
			return this.editor.selectedText();
		},
		reindent: function() {
			this.editor.reindent();
		},
		reindentSelection: function() {
			this.focusIfIE();
			this.editor.reindentSelection(null);
		},
		focusIfIE: function() {
			// in IE, a lot of selection-related functionality only works when the frame is focused
			if (this.win.select.ie_selection && document.activeElement != this.frame)
				this.focus();
		},
		focus: function() {
			this.win.focus();
			if (this.editor.selectionSnapshot) // IE hack
				this.win.select.setBookmark(this.win.document.body, 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, caseFold) {
			return this.editor.getSearchCursor(string, fromCursor, caseFold);
		},
		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, parserConfig) {
			this.editor.setParser(name, parserConfig);
		},
		setSpellcheck: function(on) {
			this.win.document.body.spellcheck = on;
		},
		setStylesheet: function(names) {
			if (typeof names === "string")
				names = [names];
			var activeStylesheets = {};
			var matchedNames = {};
			var links = this.win.document.getElementsByTagName("link");
			// Create hashes of active stylesheets and matched names.
			// This is O(n^2) but n is expected to be very small.
			for (var x = 0, link; link = links[x]; x++) {
				if (link.rel.indexOf("stylesheet") !== -1) {
					for (var y = 0; y < names.length; y++) {
						var name = names[y];
						if (link.href.substring(link.href.length - name.length) === name) {
							activeStylesheets[link.href] = true;
							matchedNames[name] = true;
						}
					}
				}
			}
			// Activate the selected stylesheets and disable the rest.
			for (var x = 0, link; link = links[x]; x++) {
				if (link.rel.indexOf("stylesheet") !== -1) {
					link.disabled = !(link.href in activeStylesheets);
				}
			}
			// Create any new stylesheets.
			for (var y = 0; y < names.length; y++) {
				var name = names[y];
				if (!(name in matchedNames)) {
					var link = this.win.document.createElement("link");
					link.rel = "stylesheet";
					link.type = "text/css";
					link.href = name;
					this.win.document.getElementsByTagName('head')[0].appendChild(link);
				}
			}
		},
		setTextWrapping: function(on) {
			if (on == this.options.textWrapping)
				return;
			this.win.document.body.style.whiteSpace = on ? "" : "nowrap";
			this.options.textWrapping = on;
			if (this.lineNumbers) {
				this.setLineNumbers(false);
				this.setLineNumbers(true);
			}
		},
		setIndentUnit: function(unit) {
			this.win.indentUnit = unit;
		},
		setUndoDepth: function(depth) {
			this.editor.history.maxDepth = depth;
		},
		setTabMode: function(mode) {
			this.options.tabMode = mode;
		},
		setEnterMode: function(mode) {
			this.options.enterMode = mode;
		},
		setLineNumbers: function(on) {
			if (on && !this.lineNumbers) {
				this.lineNumbers = addLineNumberDiv(this.wrapping,this.options.firstLineNumber);
				this.activateLineNumbers();
			} else if (!on && this.lineNumbers) {
				this.wrapping.removeChild(this.lineNumbers);
				this.wrapping.style.paddingLeft = "";
				this.lineNumbers = null;
			}
		},
		cursorPosition: function(start) {
			this.focusIfIE();
			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);
		},
		removeLine: function(line) {
			this.editor.removeLine(line);
		},
		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;
		},
		jumpToLine: function(line) {
			if (typeof line == "number")
				line = this.nthLine(line);
			this.selectLines(line, 0);
			this.win.focus();
		},
		currentLine: function() { // Deprecated, but still there for backward compatibility
			return this.lineNumber(this.cursorLine());
		},
		cursorLine: function() {
			return this.cursorPosition().line;
		},
		cursorCoords: function(start) {
			return this.editor.cursorCoords(start);
		},
		activateLineNumbers: function() {
			var frame = this.frame, win = frame.contentWindow, doc = win.document, body = doc.body,
			nums = this.lineNumbers, scroller = nums.firstChild, self = this;
			var barWidth = null;

			nums.onclick = function(e) {
				var handler = self.options.onLineNumberClick;
				if (handler) {
					var div = (e || window.event).target || (e || window.event).srcElement;
					var num = div == nums ? NaN : Number(div.innerHTML);
					if (!isNaN(num))
						handler(num, div);
				}
			};
			function sizeBar() {
				if (frame.offsetWidth == 0)
					return;
				for (var root = frame; root.parentNode; root = root.parentNode) {
				}
				if (!nums.parentNode || root != document || !win.Editor) {
					// Clear event handlers (their nodes might already be collected, so try/catch)
					try {
						clear();
					} catch(e) {
					}
					clearInterval(sizeInterval);
					return;
				}

				if (nums.offsetWidth != barWidth) {
					barWidth = nums.offsetWidth;
					frame.parentNode.style.paddingLeft = barWidth + "px";
				}
			}

			function doScroll() {
				nums.scrollTop = body.scrollTop || doc.documentElement.scrollTop || 0;
			}

			// Cleanup function, registered by nonWrapping and wrapping.
			var clear = function() {
			};
			sizeBar();
			var sizeInterval = setInterval(sizeBar, 500);

			function ensureEnoughLineNumbers(fill) {
				var lineHeight = scroller.firstChild.offsetHeight;
				if (lineHeight == 0)
					return;
				var targetHeight = 50 + Math.max(body.offsetHeight, Math.max(frame.offsetHeight, body.scrollHeight || 0)),
				lastNumber = Math.ceil(targetHeight / lineHeight);
				for (var i = scroller.childNodes.length; i <= lastNumber; i++) {
					var div = createHTMLElement("div");
					div.appendChild(document.createTextNode(fill ? String(i + self.options.firstLineNumber) : "\u00a0"));
					scroller.appendChild(div);
				}
			}

			function nonWrapping() {
				function update() {
					ensureEnoughLineNumbers(true);
					doScroll();
				}

				self.updateNumbers = update;
				var onScroll = win.addEventHandler(win, "scroll", doScroll, true),
				onResize = win.addEventHandler(win, "resize", update, true);
				clear = function() {
					onScroll();
					onResize();
					if (self.updateNumbers == update)
						self.updateNumbers = null;
				};
				update();
			}

			function wrapping() {
				var node, lineNum, next, pos, changes = [], styleNums = self.options.styleNumbers;

				function setNum(n, node) {
					// Does not typically happen (but can, if you mess with the
					// document during the numbering)
					if (!lineNum)
						lineNum = scroller.appendChild(createHTMLElement("div"));
					if (styleNums)
						styleNums(lineNum, node, n);
					// Changes are accumulated, so that the document layout
					// doesn't have to be recomputed during the pass
					changes.push(lineNum);
					changes.push(n);
					pos = lineNum.offsetHeight + lineNum.offsetTop;
					lineNum = lineNum.nextSibling;
				}

				function commitChanges() {
					for (var i = 0; i < changes.length; i += 2)
						changes[i].innerHTML = changes[i + 1];
					changes = [];
				}

				function work() {
					if (!scroller.parentNode || scroller.parentNode != self.lineNumbers)
						return;

					var endTime = new Date().getTime() + self.options.lineNumberTime;
					while (node) {
						setNum(next++, node.previousSibling);
						for (; node && !win.isBR(node); node = node.nextSibling) {
							var bott = node.offsetTop + node.offsetHeight;
							while (scroller.offsetHeight && bott - 3 > pos) {
								var oldPos = pos;
								setNum("&nbsp;");
								if (pos <= oldPos)
									break;
							}
						}
						if (node)
							node = node.nextSibling;
						if (new Date().getTime() > endTime) {
							commitChanges();
							pending = setTimeout(work, self.options.lineNumberDelay);
							return;
						}
					}
					while (lineNum)
						setNum(next++);
					commitChanges();
					doScroll();
				}

				function start(firstTime) {
					doScroll();
					ensureEnoughLineNumbers(firstTime);
					node = body.firstChild;
					lineNum = scroller.firstChild;
					pos = 0;
					next = self.options.firstLineNumber;
					work();
				}

				start(true);
				var pending = null;
				function update() {
					if (pending)
						clearTimeout(pending);
					if (self.editor.allClean())
						start();
					else
						pending = setTimeout(update, 200);
				}

				self.updateNumbers = update;
				var onScroll = win.addEventHandler(win, "scroll", doScroll, true),
				onResize = win.addEventHandler(win, "resize", update, true);
				clear = function() {
					if (pending)
						clearTimeout(pending);
					if (self.updateNumbers == update)
						self.updateNumbers = null;
					onScroll();
					onResize();
				};
			}

			(this.options.textWrapping || this.options.styleNumbers ? wrapping : nonWrapping)();
		},
		setDynamicHeight: function() {
			var self = this, activity = self.options.onCursorActivity, win = self.win, body = win.document.body,
			lineHeight = null, timeout = null, vmargin = 2 * self.frame.offsetTop;
			body.style.overflowY = "hidden";
			win.document.documentElement.style.overflowY = "hidden";
			this.frame.scrolling = "no";

			function updateHeight() {
				var trailingLines = 0, node = body.lastChild, computedHeight;
				while (node && win.isBR(node)) {
					if (!node.hackBR)
						trailingLines++;
					node = node.previousSibling;
				}
				if (node) {
					lineHeight = node.offsetHeight;
					computedHeight = node.offsetTop + (1 + trailingLines) * lineHeight;
				} else if (lineHeight) {
					computedHeight = trailingLines * lineHeight;
				}
				if (computedHeight) {
					if (self.options.onDynamicHeightChange)
						computedHeight = self.options.onDynamicHeightChange(computedHeight);
					if (computedHeight)
						self.wrapping.style.height = Math.max(vmargin + computedHeight, self.options.minHeight) + "px";
				}
			}

			setTimeout(updateHeight, 300);
			self.options.onCursorActivity = function(x) {
				if (activity)
					activity(x);
				clearTimeout(timeout);
				timeout = setTimeout(updateHeight, 100);
			};
		}
	};

	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;

		function updateField() {
			area.value = mirror.getCode();
		}

		if (area.form) {
			if (typeof area.form.addEventListener == "function")
				area.form.addEventListener("submit", updateField, false);
			else
				area.form.attachEvent("onsubmit", updateField);
			if (typeof area.form.submit == "function") {
				var realSubmit = area.form.submit;
				function wrapSubmit() {
					updateField();
					// Can't use realSubmit.apply because IE6 is too stupid
					area.form.submit = realSubmit;
					area.form.submit();
					area.form.submit = wrapSubmit;
				}

				area.form.submit = wrapSubmit;
			}
		}

		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);
		mirror.save = updateField;
		mirror.toTextArea = function() {
			updateField();
			area.parentNode.removeChild(mirror.wrapping);
			area.style.display = "";
			if (area.form) {
				if (typeof area.form.submit == "function")
					area.form.submit = realSubmit;
				if (typeof area.form.removeEventListener == "function")
					area.form.removeEventListener("submit", updateField, false);
				else
					area.form.detachEvent("onsubmit", updateField);
			}
		};
		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 Computer, 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;
})();