createlinkdialog.js

初学者

/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/



dojo.provide("dojo.widget.Editor2Plugin.CreateLinkDialog");
dojo.widget.defineWidget("dojo.widget.Editor2CreateLinkDialog", dojo.widget.Editor2DialogContent, {templateString:"<table>\n<tr><td>URL</td><td> <input type=\"text\" dojoAttachPoint=\"link_href\" name=\"dojo_createLink_href\"/></td></tr>\n<tr><td>Target </td><td><select dojoAttachPoint=\"link_target\">\n\t<option value=\"\">Self</option>\n\t<option value=\"_blank\">New Window</option>\n\t<option value=\"_top\">Top Window</option>\n\t</select></td></tr>\n<tr><td>Class </td><td><input type=\"text\" dojoAttachPoint=\"link_class\" /></td></tr>\n<tr><td colspan=\"2\">\n\t<table><tr>\n\t<td><button dojoType='Button' dojoAttachEvent='onClick:ok'>OK</button></td>\n\t<td><button dojoType='Button' dojoAttachEvent='onClick:cancel'>Cancel</button></td>\n\t</tr></table>\n\t</td></tr>\n</table>\n", editableAttributes:["href", "target", "class"], loadContent:function () {
	var curInst = dojo.widget.Editor2Manager.getCurrentInstance();
	curInst.saveSelection();
	this.linkNode = dojo.withGlobal(curInst.window, "getAncestorElement", dojo.html.selection, ["a"]);
	var linkAttributes = {};
	this.extraAttribText = "";
	if (this.linkNode) {
		var attrs = this.linkNode.attributes;
		for (var i = 0; i < attrs.length; i++) {
			if (dojo.lang.find(this.editableAttributes, attrs[i].name.toLowerCase()) > -1) {
				linkAttributes[attrs[i].name] = attrs[i].value;
			} else {
				if (attrs[i].specified == undefined || attrs[i].specified) {
					this.extraAttribText += attrs[i].name + "=\"" + attrs[i].value + "\" ";
				}
			}
		}
	} else {
		var html = dojo.withGlobal(curInst.window, "getSelectedText", dojo.html.selection);
		if (html == null || html.length == 0) {
			alert("Please select some text to create a link.");
			return false;
		}
	}
	for (var i = 0; i < this.editableAttributes.length; ++i) {
		name = this.editableAttributes[i];
		this["link_" + name].value = (linkAttributes[name] == undefined) ? "" : linkAttributes[name];
	}
	return true;
}, ok:function () {
	var curInst = dojo.widget.Editor2Manager.getCurrentInstance();
	curInst.restoreSelection();
	if (!this.linkNode) {
		var html = dojo.withGlobal(curInst.window, "getSelectedHtml", dojo.html.selection);
	} else {
		var html = this.linkNode.innerHTML;
		dojo.withGlobal(curInst.window, "selectElement", dojo.html.selection, [this.linkNode]);
	}
	var attstr = "";
	for (var i = 0; i < this.editableAttributes.length; ++i) {
		name = this.editableAttributes[i];
		var value = this["link_" + name].value;
		if (value.length > 0) {
			attstr += name + "=\"" + value + "\" ";
		}
	}
	curInst.execCommand("inserthtml", "<a " + attstr + this.extraAttribText + ">" + html + "</a>");
	this.cancel();
}});