editor2.js

初学者

	} else {
		if (this.shareToolbar) {
			dojo.deprecated("Editor2:shareToolbar is deprecated in favor of toolbarGroup", "0.5");
			this.toolbarGroup = "defaultDojoToolbarGroup";
		}
		if (this.toolbarGroup) {
			if (dojo.widget.Editor2ToolbarGroups[this.toolbarGroup]) {
				this.toolbarWidget = dojo.widget.Editor2ToolbarGroups[this.toolbarGroup];
			}
		}
		if (!this.toolbarWidget) {
			var tbOpts = {shareGroup:this.toolbarGroup, parent:this};
			tbOpts.templateString = dojo.uri.cache.get(this.toolbarTemplatePath);
			if (this.toolbarTemplateCssPath) {
				tbOpts.templateCssPath = this.toolbarTemplateCssPath;
				tbOpts.templateCssString = dojo.uri.cache.get(this.toolbarTemplateCssPath);
			}
			if (this.toolbarPlaceHolder) {
				this.toolbarWidget = dojo.widget.createWidget("Editor2Toolbar", tbOpts, dojo.byId(this.toolbarPlaceHolder), "after");
			} else {
				this.toolbarWidget = dojo.widget.createWidget("Editor2Toolbar", tbOpts, this.domNode.firstChild, "before");
			}
			if (this.toolbarGroup) {
				dojo.widget.Editor2ToolbarGroups[this.toolbarGroup] = this.toolbarWidget;
			}
			dojo.event.connect(this, "close", this.toolbarWidget, "hide");
			this.toolbarLoaded();
		}
	}
	dojo.event.topic.registerPublisher("Editor2.clobberFocus", this, "clobberFocus");
	dojo.event.topic.subscribe("Editor2.clobberFocus", this, "setBlur");
	dojo.event.topic.publish("dojo.widget.Editor2::onLoad", this);
}, toolbarLoaded:function () {
}, registerLoadedPlugin:function (obj) {
	if (!this.loadedPlugins) {
		this.loadedPlugins = [];
	}
	this.loadedPlugins.push(obj);
}, unregisterLoadedPlugin:function (obj) {
	for (var i in this.loadedPlugins) {
		if (this.loadedPlugins[i] === obj) {
			delete this.loadedPlugins[i];
			return;
		}
	}
	dojo.debug("dojo.widget.Editor2.unregisterLoadedPlugin: unknow plugin object: " + obj);
}, execCommand:function (command, argument) {
	switch (command.toLowerCase()) {
	  case "htmltoggle":
		this.toggleHtmlEditing();
		break;
	  default:
		dojo.widget.Editor2.superclass.execCommand.apply(this, arguments);
	}
}, queryCommandEnabled:function (command, argument) {
	switch (command.toLowerCase()) {
	  case "htmltoggle":
		return true;
	  default:
		if (this._inSourceMode) {
			return false;
		}
		return dojo.widget.Editor2.superclass.queryCommandEnabled.apply(this, arguments);
	}
}, queryCommandState:function (command, argument) {
	switch (command.toLowerCase()) {
	  case "htmltoggle":
		return this._inSourceMode;
	  default:
		return dojo.widget.Editor2.superclass.queryCommandState.apply(this, arguments);
	}
}, onClick:function (e) {
	dojo.widget.Editor2.superclass.onClick.call(this, e);
	if (dojo.widget.PopupManager) {
		if (!e) {
			e = this.window.event;
		}
		dojo.widget.PopupManager.onClick(e);
	}
}, clobberFocus:function () {
}, toggleHtmlEditing:function () {
	if (this === dojo.widget.Editor2Manager.getCurrentInstance()) {
		if (!this._inSourceMode) {
			var html = this.getEditorContent();
			this._inSourceMode = true;
			if (!this._htmlEditNode) {
				this._htmlEditNode = dojo.doc().createElement("textarea");
				dojo.html.insertAfter(this._htmlEditNode, this.editorObject);
			}
			this._htmlEditNode.style.display = "";
			this._htmlEditNode.style.width = "100%";
			this._htmlEditNode.style.height = dojo.html.getBorderBox(this.editNode).height + "px";
			this._htmlEditNode.value = html;
			with (this.editorObject.style) {
				position = "absolute";
				left = "-2000px";
				top = "-2000px";
			}
		} else {
			this._inSourceMode = false;
			this._htmlEditNode.blur();
			with (this.editorObject.style) {
				position = "";
				left = "";
				top = "";
			}
			var html = this._htmlEditNode.value;
			dojo.lang.setTimeout(this, "replaceEditorContent", 1, html);
			this._htmlEditNode.style.display = "none";
			this.focus();
		}
		this.onDisplayChanged(null, true);
	}
}, setFocus:function () {
	if (dojo.widget.Editor2Manager.getCurrentInstance() === this) {
		return;
	}
	this.clobberFocus();
	dojo.widget.Editor2Manager.setCurrentInstance(this);
}, setBlur:function () {
}, saveSelection:function () {
	this._bookmark = null;
	this._bookmark = dojo.withGlobal(this.window, dojo.html.selection.getBookmark);
}, restoreSelection:function () {
	if (this._bookmark) {
		this.focus();
		dojo.withGlobal(this.window, "moveToBookmark", dojo.html.selection, [this._bookmark]);
		this._bookmark = null;
	} else {
		dojo.debug("restoreSelection: no saved selection is found!");
	}
}, _updateToolbarLastRan:null, _updateToolbarTimer:null, _updateToolbarFrequency:500, updateToolbar:function (force) {
	if ((!this.isLoaded) || (!this.toolbarWidget)) {
		return;
	}
	var diff = new Date() - this._updateToolbarLastRan;
	if ((!force) && (this._updateToolbarLastRan) && ((diff < this._updateToolbarFrequency))) {
		clearTimeout(this._updateToolbarTimer);
		var _this = this;
		this._updateToolbarTimer = setTimeout(function () {
			_this.updateToolbar();
		}, this._updateToolbarFrequency / 2);
		return;
	} else {
		this._updateToolbarLastRan = new Date();
	}
	if (dojo.widget.Editor2Manager.getCurrentInstance() !== this) {
		return;
	}
	this.toolbarWidget.update();
}, destroy:function (finalize) {
	this._htmlEditNode = null;
	dojo.event.disconnect(this, "close", this.toolbarWidget, "hide");
	if (!finalize) {
		this.toolbarWidget.destroy();
	}
	dojo.widget.Editor2.superclass.destroy.call(this);
}, _lastStateTimestamp:0, onDisplayChanged:function (e, forceUpdate) {
	this._lastStateTimestamp = (new Date()).getTime();
	dojo.widget.Editor2.superclass.onDisplayChanged.call(this, e);
	this.updateToolbar(forceUpdate);
}, onLoad:function () {
	try {
		dojo.widget.Editor2.superclass.onLoad.call(this);
	}
	catch (e) {
		dojo.debug(e);
	}
	this.editorOnLoad();
}, onFocus:function () {
	dojo.widget.Editor2.superclass.onFocus.call(this);
	this.setFocus();
}, getEditorContent:function () {
	if (this._inSourceMode) {
		return this._htmlEditNode.value;
	}
	return dojo.widget.Editor2.superclass.getEditorContent.call(this);
}, replaceEditorContent:function (html) {
	if (this._inSourceMode) {
		this._htmlEditNode.value = html;
		return;
	}
	dojo.widget.Editor2.superclass.replaceEditorContent.apply(this, arguments);
}, getCommand:function (name) {
	if (this._loadedCommands[name]) {
		return this._loadedCommands[name];
	}
	var cmd = dojo.widget.Editor2Manager.getCommand(this, name);
	this._loadedCommands[name] = cmd;
	return cmd;
}, shortcuts:[["bold"], ["italic"], ["underline"], ["selectall", "a"], ["insertunorderedlist", "\\"]], setupDefaultShortcuts:function () {
	var exec = function (cmd) {
		return function () {
			cmd.execute();
		};
	};
	var self = this;
	dojo.lang.forEach(this.shortcuts, function (item) {
		var cmd = self.getCommand(item[0]);
		if (cmd) {
			self.addKeyHandler(item[1] ? item[1] : item[0].charAt(0), item[2] == undefined ? self.KEY_CTRL : item[2], exec(cmd));
		}
	});
}});