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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.Manager");
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dojo.require("dojo.lang.array");
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dojo.require("dojo.lang.func");
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dojo.require("dojo.event.*");
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dojo.widget.manager = new function () {
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this.widgets = [];
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this.widgetIds = [];
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this.topWidgets = {};
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var widgetTypeCtr = {};
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var renderPrefixCache = [];
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this.getUniqueId = function (widgetType) {
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var widgetId;
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do {
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widgetId = widgetType + "_" + (widgetTypeCtr[widgetType] != undefined ? ++widgetTypeCtr[widgetType] : widgetTypeCtr[widgetType] = 0);
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} while (this.getWidgetById(widgetId));
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return widgetId;
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};
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this.add = function (widget) {
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this.widgets.push(widget);
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if (!widget.extraArgs["id"]) {
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widget.extraArgs["id"] = widget.extraArgs["ID"];
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}
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if (widget.widgetId == "") {
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if (widget["id"]) {
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widget.widgetId = widget["id"];
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} else {
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if (widget.extraArgs["id"]) {
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widget.widgetId = widget.extraArgs["id"];
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} else {
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widget.widgetId = this.getUniqueId(widget.ns + "_" + widget.widgetType);
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}
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}
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}
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if (this.widgetIds[widget.widgetId]) {
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dojo.debug("widget ID collision on ID: " + widget.widgetId);
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}
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this.widgetIds[widget.widgetId] = widget;
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};
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this.destroyAll = function () {
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for (var x = this.widgets.length - 1; x >= 0; x--) {
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try {
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this.widgets[x].destroy(true);
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delete this.widgets[x];
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}
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catch (e) {
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}
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}
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};
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this.remove = function (widgetIndex) {
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if (dojo.lang.isNumber(widgetIndex)) {
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var tw = this.widgets[widgetIndex].widgetId;
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delete this.topWidgets[tw];
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delete this.widgetIds[tw];
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this.widgets.splice(widgetIndex, 1);
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} else {
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this.removeById(widgetIndex);
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}
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};
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this.removeById = function (id) {
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if (!dojo.lang.isString(id)) {
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id = id["widgetId"];
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if (!id) {
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dojo.debug("invalid widget or id passed to removeById");
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return;
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}
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}
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for (var i = 0; i < this.widgets.length; i++) {
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if (this.widgets[i].widgetId == id) {
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this.remove(i);
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break;
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}
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}
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};
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this.getWidgetById = function (id) {
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if (dojo.lang.isString(id)) {
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return this.widgetIds[id];
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}
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return id;
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};
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this.getWidgetsByType = function (type) {
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var lt = type.toLowerCase();
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var getType = (type.indexOf(":") < 0 ? function (x) {
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return x.widgetType.toLowerCase();
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} : function (x) {
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return x.getNamespacedType();
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});
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var ret = [];
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dojo.lang.forEach(this.widgets, function (x) {
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if (getType(x) == lt) {
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ret.push(x);
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}
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});
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return ret;
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};
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this.getWidgetsByFilter = function (unaryFunc, onlyOne) {
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var ret = [];
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dojo.lang.every(this.widgets, function (x) {
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if (unaryFunc(x)) {
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ret.push(x);
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if (onlyOne) {
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return false;
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}
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}
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return true;
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});
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return (onlyOne ? ret[0] : ret);
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};
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this.getAllWidgets = function () {
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return this.widgets.concat();
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};
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this.getWidgetByNode = function (node) {
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var w = this.getAllWidgets();
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node = dojo.byId(node);
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for (var i = 0; i < w.length; i++) {
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if (w[i].domNode == node) {
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return w[i];
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}
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}
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return null;
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};
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this.byId = this.getWidgetById;
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this.byType = this.getWidgetsByType;
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this.byFilter = this.getWidgetsByFilter;
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this.byNode = this.getWidgetByNode;
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var knownWidgetImplementations = {};
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var widgetPackages = ["dojo.widget"];
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for (var i = 0; i < widgetPackages.length; i++) {
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widgetPackages[widgetPackages[i]] = true;
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}
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this.registerWidgetPackage = function (pname) {
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if (!widgetPackages[pname]) {
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widgetPackages[pname] = true;
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widgetPackages.push(pname);
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}
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};
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this.getWidgetPackageList = function () {
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return dojo.lang.map(widgetPackages, function (elt) {
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return (elt !== true ? elt : undefined);
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});
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};
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this.getImplementation = function (widgetName, ctorObject, mixins, ns) {
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var impl = this.getImplementationName(widgetName, ns);
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if (impl) {
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var ret = ctorObject ? new impl(ctorObject) : new impl();
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return ret;
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}
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};
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function buildPrefixCache() {
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for (var renderer in dojo.render) {
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if (dojo.render[renderer]["capable"] === true) {
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var prefixes = dojo.render[renderer].prefixes;
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for (var i = 0; i < prefixes.length; i++) {
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renderPrefixCache.push(prefixes[i].toLowerCase());
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}
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}
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}
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}
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var findImplementationInModule = function (lowerCaseWidgetName, module) {
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if (!module) {
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return null;
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}
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for (var i = 0, l = renderPrefixCache.length, widgetModule; i <= l; i++) {
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widgetModule = (i < l ? module[renderPrefixCache[i]] : module);
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if (!widgetModule) {
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continue;
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}
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for (var name in widgetModule) {
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if (name.toLowerCase() == lowerCaseWidgetName) {
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return widgetModule[name];
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}
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}
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}
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return null;
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};
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var findImplementation = function (lowerCaseWidgetName, moduleName) {
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var module = dojo.evalObjPath(moduleName, false);
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return (module ? findImplementationInModule(lowerCaseWidgetName, module) : null);
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};
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this.getImplementationName = function (widgetName, ns) {
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var lowerCaseWidgetName = widgetName.toLowerCase();
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ns = ns || "dojo";
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var imps = knownWidgetImplementations[ns] || (knownWidgetImplementations[ns] = {});
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var impl = imps[lowerCaseWidgetName];
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if (impl) {
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return impl;
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}
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if (!renderPrefixCache.length) {
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buildPrefixCache();
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}
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var nsObj = dojo.ns.get(ns);
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if (!nsObj) {
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dojo.ns.register(ns, ns + ".widget");
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nsObj = dojo.ns.get(ns);
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}
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if (nsObj) {
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nsObj.resolve(widgetName);
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}
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impl = findImplementation(lowerCaseWidgetName, nsObj.module);
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if (impl) {
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return (imps[lowerCaseWidgetName] = impl);
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}
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nsObj = dojo.ns.require(ns);
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if ((nsObj) && (nsObj.resolver)) {
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nsObj.resolve(widgetName);
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impl = findImplementation(lowerCaseWidgetName, nsObj.module);
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if (impl) {
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return (imps[lowerCaseWidgetName] = impl);
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}
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}
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dojo.deprecated("dojo.widget.Manager.getImplementationName", "Could not locate widget implementation for \"" + widgetName + "\" in \"" + nsObj.module + "\" registered to namespace \"" + nsObj.name + "\". " + "Developers must specify correct namespaces for all non-Dojo widgets", "0.5");
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for (var i = 0; i < widgetPackages.length; i++) {
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impl = findImplementation(lowerCaseWidgetName, widgetPackages[i]);
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if (impl) {
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return (imps[lowerCaseWidgetName] = impl);
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}
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}
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throw new Error("Could not locate widget implementation for \"" + widgetName + "\" in \"" + nsObj.module + "\" registered to namespace \"" + nsObj.name + "\"");
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};
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this.resizing = false;
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this.onWindowResized = function () {
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if (this.resizing) {
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return;
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}
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try {
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this.resizing = true;
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for (var id in this.topWidgets) {
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var child = this.topWidgets[id];
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if (child.checkSize) {
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child.checkSize();
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}
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}
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}
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catch (e) {
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}
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finally {
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this.resizing = false;
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}
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};
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if (typeof window != "undefined") {
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dojo.addOnLoad(this, "onWindowResized");
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dojo.event.connect(window, "onresize", this, "onWindowResized");
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}
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};
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(function () {
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var dw = dojo.widget;
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var dwm = dw.manager;
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var h = dojo.lang.curry(dojo.lang, "hitch", dwm);
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var g = function (oldName, newName) {
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dw[(newName || oldName)] = h(oldName);
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};
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g("add", "addWidget");
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g("destroyAll", "destroyAllWidgets");
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g("remove", "removeWidget");
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g("removeById", "removeWidgetById");
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g("getWidgetById");
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g("getWidgetById", "byId");
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g("getWidgetsByType");
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g("getWidgetsByFilter");
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g("getWidgetsByType", "byType");
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g("getWidgetsByFilter", "byFilter");
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g("getWidgetByNode", "byNode");
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dw.all = function (n) {
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var widgets = dwm.getAllWidgets.apply(dwm, arguments);
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if (arguments.length > 0) {
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return widgets[n];
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}
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return widgets;
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};
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g("registerWidgetPackage");
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g("getImplementation", "getWidgetImplementation");
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g("getImplementationName", "getWidgetImplementationName");
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dw.widgets = dwm.widgets;
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dw.widgetIds = dwm.widgetIds;
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dw.root = dwm.root;
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})();
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