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/* |
Copyright (c) 2004-2006, The Dojo Foundation |
All Rights Reserved. |
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Licensed under the Academic Free License version 2.1 or above OR the |
modified BSD license. For more information on Dojo licensing, see: |
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http://dojotoolkit.org/community/licensing.shtml |
*/ |
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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; |
})(); |
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