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