htmlarea.js

hudong维客系统

			var plugin = editor.plugins[i].instance;
			if (typeof plugin.onKeyPress == "function") plugin.onKeyPress(ev);
		}
	}


	if (keyEvent && ev.altKey) {
		var sel = null;
		var range = null;
		var key = String.fromCharCode(HTMLArea.is_ie ? ev.keyCode : ev.charCode).toLowerCase();
		var cmd = null;
		var value = null;
		switch (key) {
			case 'q': cmd = "innerlink"; break;
			case 'p': cmd = "createsection"; break;
		}
		if (cmd) {
			this.execCommand(cmd, false, value);
			HTMLArea._stopEvent(ev);
		}
	}

	if (keyEvent && ev.ctrlKey) {
		var sel = null;
		var range = null;
		var key = String.fromCharCode(HTMLArea.is_ie ? ev.keyCode : ev.charCode).toLowerCase();
		var cmd = null;
		var value = null;
		switch (key) {
			case 'a':
			if (!HTMLArea.is_ie) {
				sel = this._getSelection();
				sel.removeAllRanges();
				range = this._createRange();
				range.selectNodeContents(this._doc.body);
				sel.addRange(range);
				HTMLArea._stopEvent(ev);
			}
			break;
			case 'q': cmd = "innerlink"; break;
			case 'p': cmd = "createsection"; break;
			case 'b': cmd = "bold"; break;
			case 'i': cmd = "italic"; break;
			case 'u': cmd = "underline"; break;
			case 's': cmd = "strikethrough"; break;
			case 'l': cmd = "justifyleft"; break;
			case 'e': cmd = "justifycenter"; break;
			case 'r': cmd = "justifyright"; break;
			case 'j': cmd = "justifyfull"; break;
			case 'z': cmd = "undo"; break;
			case 'y': cmd = "redo"; break;
			case 'v': cmd = "paste"; break;
			case '0': cmd = "killword"; break;
			case '1':
			case '2':
			case '3':
			case '4':
			case '5':
			case '6':
			cmd = "formatblock";
			value = "h" + key;
			if (HTMLArea.is_ie) {
				value = "<" + value + ">";
			}
			break;
		}
		if (cmd) {
			this.execCommand(cmd, false, value);
			HTMLArea._stopEvent(ev);
		}
	}

	if (editor._timerToolbar) {
		clearTimeout(editor._timerToolbar);
	}
	editor._timerToolbar = setTimeout(function() {
		editor.updateToolbar();
		editor._timerToolbar = null;
	}, 50);
};


HTMLArea.prototype.getHTML = function() {
	var html=false;
	switch (this._editMode) {
		case "wysiwyg"  :
		if (!this.config.fullPage) {
			html=HTMLArea.getHTML(this._doc.body, false, this);
			break;
		} else
		{
			html=this.doctype + "\n" + HTMLArea.getHTML(this._doc.documentElement, true, this);
			break;
		}
		case "textmode" :
		{
			html=this._textArea.value;
			break;
		}
		//	default: alert("Mode <" + mode + "> not defined!");
	}
	return html;
};


HTMLArea.prototype.getInnerHTML = function() {
	switch (this._editMode) {
		case "wysiwyg"  :
		if (!this.config.fullPage)
		return this._doc.body.innerHTML;
		else
		return this.doctype + "\n" + this._doc.documentElement.innerHTML;
		case "textmode" : return this._textArea.value;
		default	    : alert("Mode <" + mode + "> not defined!");
	}
	return false;
};


HTMLArea.prototype.setHTML = function(html) {
	switch (this._editMode) {
		case "wysiwyg"  :
		if (!this.config.fullPage)
		this._doc.body.innerHTML = html;
		else

		this._doc.body.innerHTML = html;
		break;
		case "textmode" : this._textArea.value = html; break;
		default	    : alert("Mode <" + mode + "> not defined!");
	}
	return false;
};


HTMLArea.prototype.setDoctype = function(doctype) {
	this.doctype = doctype;
};




HTMLArea.agt = navigator.userAgent.toLowerCase();
HTMLArea.is_ie	   = ((HTMLArea.agt.indexOf("msie") != -1) && (HTMLArea.agt.indexOf("opera") == -1));
HTMLArea.is_opera  = (HTMLArea.agt.indexOf("opera") != -1);
HTMLArea.is_mac	   = (HTMLArea.agt.indexOf("mac") != -1);
HTMLArea.is_mac_ie = (HTMLArea.is_ie && HTMLArea.is_mac);
HTMLArea.is_win_ie = (HTMLArea.is_ie && !HTMLArea.is_mac);
HTMLArea.is_gecko  = (navigator.product == "Gecko");


HTMLArea._object = null;


HTMLArea.cloneObject = function(obj) {
	var newObj = new Object;


	if (obj.constructor.toString().indexOf("function Array(") == 1) {
		newObj = obj.constructor();
	}


	if (obj.constructor.toString().indexOf("function Function(") == 1) {
		newObj = obj;
	} else for (var n in obj) {
		var node = obj[n];
		if (typeof node == 'object') { newObj[n] = HTMLArea.cloneObject(node); }
		else                         { newObj[n] = node; }
	}

	return newObj;
};


HTMLArea.checkSupportedBrowser = function() {
	if (HTMLArea.is_gecko) {
		if (navigator.productSub < 20021201) {
			alert("You need at least Mozilla-1.3 Alpha.\n" +
			"Sorry, your Gecko is not supported.");
			return false;
		}
		if (navigator.productSub < 20030210) {
			alert("Mozilla < 1.3 Beta is not supported!\n" +
			"I'll try, though, but it might not work.");
		}
	}
	return HTMLArea.is_gecko || HTMLArea.is_ie;
};




HTMLArea.prototype._getSelection = function() {
	if (HTMLArea.is_ie) {
		return this._doc.selection;
	} else {
		return this._iframe.contentWindow.getSelection();
	}
};


HTMLArea.prototype._createRange = function(sel) {
	this.focusEditor();
	if (HTMLArea.is_ie) {
		return sel.createRange();
	} else {
		if (typeof sel != "undefined") {
			try {
				return sel.getRangeAt(0);
			} catch(e) {
				return this._doc.createRange();
			}
		} else {
			return this._doc.createRange();
		}
	}
};



HTMLArea._addEvent = function(el, evname, func) {
	if (HTMLArea.is_ie) {
		el.attachEvent("on" + evname, func);
	} else {
		el.addEventListener(evname, func, true);
	}
};

HTMLArea._addEvents = function(el, evs, func) {
	for (var i in evs) {
		HTMLArea._addEvent(el, evs[i], func);
	}
};

HTMLArea._removeEvent = function(el, evname, func) {
	if (HTMLArea.is_ie) {
		el.detachEvent("on" + evname, func);
	} else {
		el.removeEventListener(evname, func, true);
	}
};

HTMLArea._removeEvents = function(el, evs, func) {
	for (var i in evs) {
		HTMLArea._removeEvent(el, evs[i], func);
	}
};

HTMLArea._stopEvent = function(ev) {
	if (HTMLArea.is_ie) {
		ev.cancelBubble = true;
		ev.returnValue = false;
	} else {
		ev.preventDefault();
		ev.stopPropagation();
	}
};

HTMLArea._removeClass = function(el, className) {
	if (!(el && el.className)) {
		return;
	}
	var cls = el.className.split(" ");
	var ar = new Array();
	for (var i = cls.length; i > 0;) {
		if (cls[--i] != className) {
			ar[ar.length] = cls[i];
		}
	}
	el.className = ar.join(" ");
};

HTMLArea._addClass = function(el, className) {

	HTMLArea._removeClass(el, className);
	el.className += " " + className;
};

HTMLArea._hasClass = function(el, className) {
	if (!(el && el.className)) {
		return false;
	}
	var cls = el.className.split(" ");
	for (var i = cls.length; i > 0;) {
		if (cls[--i] == className) {
			return true;
		}
	}
	return false;
};

HTMLArea.isBlockElement = function(el) {
	var blockTags = " body form textarea fieldset ul ol dl li div " +
	"p h1 h2 h3 h4 h5 h6 quote pre table thead " +
	"tbody tfoot tr td iframe address ";
	return (blockTags.indexOf(" " + el.tagName.toLowerCase() + " ") != -1);
};

HTMLArea.needsClosingTag = function(el) {
	var closingTags = " head script style div span tr td tbody table em strong font a title ";
	return (closingTags.indexOf(" " + el.tagName.toLowerCase() + " ") != -1);
};


HTMLArea.htmlEncode = function(str) {
	str = str.replace(/&/ig, "&amp;");
	str = str.replace(/</ig, "&lt;");
	str = str.replace(/>/ig, "&gt;");
	str = str.replace(/\x22/ig, "&quot;");
	return str;
};



HTMLArea.getHTML = function(root, outputRoot, editor) {
	var html = "";
	switch (root.nodeType) {
		case 1:
		case 11:
		var closed;
		var i;
		var root_tag = (root.nodeType == 1) ? root.tagName.toLowerCase() : '';
		if (HTMLArea.is_ie && root_tag == "head") {
			if (outputRoot)
			html += "<head>";
			var save_multiline = RegExp.multiline;
			RegExp.multiline = true;
			var txt = root.innerHTML.replace(HTMLArea.RE_tagName, function(str, p1, p2) {
				return p1 + p2.toLowerCase();
			});
			RegExp.multiline = save_multiline;
			html += txt;
			if (outputRoot)
			html += "</head>";
			break;
		} else if (outputRoot) {
			closed = (!(root.hasChildNodes() || HTMLArea.needsClosingTag(root)));
			html = "<" + root.tagName.toLowerCase();
			var attrs = root.attributes;
			for (i = 0; i < attrs.length; ++i) {
				var a = attrs.item(i);
				if (!a.specified) {
					continue;
				}
				var name = a.nodeName.toLowerCase();
				if (/_moz|contenteditable|_msh/.test(name)) {
					continue;
				}
				var value;
				if (name != "style") {
					if (typeof root[a.nodeName] != "undefined" && name != "href" && name != "src") {
						value = root[a.nodeName];
					} else {
						value = a.nodeValue;
						if (HTMLArea.is_ie && (name == "href" || name == "src")) {
							value = editor.stripBaseURL(value);
						}
					}
				} else {

					value = root.style.cssText;
				}
				if (/(_moz|^$)/.test(value)) {


					continue;
				}
				html += " " + name + '="' + value + '"';
			}
			html += closed ? " />" : ">";
		}
		for (i = root.firstChild; i; i = i.nextSibling) {
			html += HTMLArea.getHTML(i, true, editor);
		}
		if (outputRoot && !closed) {
			html += "</" + root.tagName.toLowerCase() + ">";
		}
		break;
		case 3:


		if ( !root.previousSibling && !root.nextSibling && root.data.match(/^\s*$/i) ) html = '&nbsp;';
		else html = HTMLArea.htmlEncode(root.data);
		break;
		case 8:
		html = "<!--" + root.data + "-->";
		break;
	}
	return html;
};

HTMLArea.prototype.stripBaseURL = function(string) {
	//var baseurl = this.config.baseURL;
	//baseurl = baseurl.replace(/[^\/]+$/, '');
	//var basere = new RegExp(baseurl);
	//string = string.replace(basere, "");
	//baseurl = baseurl.replace(/^(https?:\/\/[^\/]+)(.*)$/, '$1');
	//basere = new RegExp(baseurl);
	return string;
};

String.prototype.trim = function() {
	return a.replace(/^\s*|\s*$/g,"");
};


HTMLArea.prototype.stripHTML=function(html){
	html = html.replace(/(<([^>]+)>)/ig,"");
	html = html.replace(/^\s*|\s*$/g,"");
	return html;
};


HTMLArea._makeColor = function(v) {
	if (typeof v != "number") {

		return v;
	}
	var r = v & 0xFF;
	var g = (v >> 8) & 0xFF;
	var b = (v >> 16) & 0xFF;
	return "rgb(" + r + "," + g + "," + b + ")";
};


HTMLArea._colorToRgb = function(v) {
	if (!v)
	return '';

	function hex(d) {
		return (d < 16) ? ("0" + d.toString(16)) : d.toString(16);
	};

	if (typeof v == "number") {

		var r = v & 0xFF;
		var g = (v >> 8) & 0xFF;
		var b = (v >> 16) & 0xFF;
		return "#" + hex(r) + hex(g) + hex(b);
	}

	if (v.substr(0, 3) == "rgb") {

		var re = /rgb\s*\(\s*([0-9]+)\s*,\s*([0-9]+)\s*,\s*([0-9]+)\s*\)/;
		if (v.match(re)) {
			var r = parseInt(RegExp.$1);
			var g = parseInt(RegExp.$2);
			var b = parseInt(RegExp.$3);
			return "#" + hex(r) + hex(g) + hex(b);
		}


		return null;
	}

	if (v.substr(0, 1) == "#") {

		return v;
	}


	return null;
};


HTMLArea.prototype._popupDialog = function(url, action, init) {
	Dialog(this.popupURL(url), action, init);
};



HTMLArea.prototype.imgURL = function(file, plugin) {
	if (typeof plugin == "undefined")
	return _editor_url + file;
	else
	return _editor_url + "plugins/" + plugin + "/img/" + file;
};

HTMLArea.prototype.popupURL = function(file) {
	var url = "";
	if (file.match(/^plugin:\/\/(.*?)\/(.*)/)) {
		var plugin = RegExp.$1;
		var popup = RegExp.$2;
		if (!/\.html$/.test(popup))
		popup += ".html";
		url = _editor_url + "plugins/" + plugin + "/popups/" + popup;
	} else
	url = _editor_url + this.config.popupURL + file;
	return url;
};


HTMLArea.getElementById = function(tag, id) {
	var el, i, objs = document.getElementsByTagName(tag);
	for (i = objs.length; --i >= 0 && (el = objs[i]);)
	if (el.id == id)
	return el;
	return null;
};