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alexandre_ |
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/*
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Copyright (c) 2004-2006, The Dojo Foundation
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All Rights Reserved.
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Licensed under the Academic Free License version 2.1 or above OR the
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modified BSD license. For more information on Dojo licensing, see:
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http://dojotoolkit.org/community/licensing.shtml
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*/
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alexandre_ |
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alexandre_ |
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dojo.provide("dojo.widget.RadioGroup");
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dojo.require("dojo.lang.common");
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dojo.require("dojo.event.browser");
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dojo.require("dojo.html.selection");
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dojo.require("dojo.widget.*");
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dojo.require("dojo.widget.HtmlWidget");
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dojo.widget.defineWidget("dojo.widget.RadioGroup", dojo.widget.HtmlWidget, function () {
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this.selectedItem = null;
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this.items = [];
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this.selected = [];
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this.groupCssClass = "radioGroup";
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this.selectedCssClass = "selected";
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this.itemContentCssClass = "itemContent";
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}, {isContainer:false, templatePath:null, templateCssPath:null, postCreate:function () {
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this._parseStructure();
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dojo.html.addClass(this.domNode, this.groupCssClass);
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this._setupChildren();
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dojo.event.browser.addListener(this.domNode, "onclick", dojo.lang.hitch(this, "onSelect"));
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if (this.selectedItem) {
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this._selectItem(this.selectedItem);
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}
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}, _parseStructure:function () {
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if (this.domNode.tagName.toLowerCase() != "ul" && this.domNode.tagName.toLowerCase() != "ol") {
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dojo.raise("RadioGroup: Expected ul or ol content.");
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return;
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}
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this.items = [];
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var nl = this.domNode.getElementsByTagName("li");
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for (var i = 0; i < nl.length; i++) {
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if (nl[i].parentNode == this.domNode) {
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this.items.push(nl[i]);
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}
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}
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}, add:function (node) {
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if (node.parentNode != this.domNode) {
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this.domNode.appendChild(node);
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}
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this.items.push(node);
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this._setup(node);
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}, remove:function (node) {
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var idx = -1;
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for (var i = 0; i < this.items.length; i++) {
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if (this.items[i] == node) {
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idx = i;
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break;
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}
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}
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if (idx < 0) {
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return;
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}
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this.items.splice(idx, 1);
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node.parentNode.removeChild(node);
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}, clear:function () {
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for (var i = 0; i < this.items.length; i++) {
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this.domNode.removeChild(this.items[i]);
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}
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this.items = [];
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}, clearSelections:function () {
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for (var i = 0; i < this.items.length; i++) {
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dojo.html.removeClass(this.items[i], this.selectedCssClass);
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}
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this.selectedItem = null;
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}, _setup:function (node) {
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var span = document.createElement("span");
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dojo.html.disableSelection(span);
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dojo.html.addClass(span, this.itemContentCssClass);
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dojo.dom.moveChildren(node, span);
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node.appendChild(span);
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if (this.selected.length > 0) {
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var uid = dojo.html.getAttribute(node, "id");
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if (uid && uid == this.selected) {
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this.selectedItem = node;
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}
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}
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dojo.event.browser.addListener(node, "onclick", dojo.lang.hitch(this, "onItemSelect"));
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if (dojo.html.hasAttribute(node, "onitemselect")) {
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var tn = dojo.lang.nameAnonFunc(new Function(dojo.html.getAttribute(node, "onitemselect")), this);
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dojo.event.browser.addListener(node, "onclick", dojo.lang.hitch(this, tn));
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}
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}, _setupChildren:function () {
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for (var i = 0; i < this.items.length; i++) {
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this._setup(this.items[i]);
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}
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}, _selectItem:function (node, event, nofire) {
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if (this.selectedItem) {
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dojo.html.removeClass(this.selectedItem, this.selectedCssClass);
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}
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this.selectedItem = node;
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dojo.html.addClass(this.selectedItem, this.selectedCssClass);
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if (!dj_undef("currentTarget", event)) {
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return;
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}
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if (!nofire) {
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if (dojo.render.html.ie) {
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this.selectedItem.fireEvent("onclick");
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} else {
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var e = document.createEvent("MouseEvents");
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e.initEvent("click", true, false);
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this.selectedItem.dispatchEvent(e);
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}
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}
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}, getValue:function () {
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return this.selectedItem;
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}, onSelect:function (e) {
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}, onItemSelect:function (e) {
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if (!dj_undef("currentTarget", e)) {
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this._selectItem(e.currentTarget, e);
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}
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}});
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