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/*
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;
})();