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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.Widget");
dojo.require("dojo.lang.func");
dojo.require("dojo.lang.array");
dojo.require("dojo.lang.extras");
dojo.require("dojo.lang.declare");
dojo.require("dojo.ns");
dojo.require("dojo.widget.Manager");
dojo.require("dojo.event.*");
dojo.require("dojo.a11y");
dojo.declare("dojo.widget.Widget", null, function () {
this.children = [];
this.extraArgs = {};
}, {parent:null, isTopLevel:false, disabled:false, isContainer:false, widgetId:"", widgetType:"Widget", ns:"dojo", getNamespacedType:function () {
return (this.ns ? this.ns + ":" + this.widgetType : this.widgetType).toLowerCase();
}, toString:function () {
return "[Widget " + this.getNamespacedType() + ", " + (this.widgetId || "NO ID") + "]";
}, repr:function () {
return this.toString();
}, enable:function () {
this.disabled = false;
}, disable:function () {
this.disabled = true;
}, onResized:function () {
this.notifyChildrenOfResize();
}, notifyChildrenOfResize:function () {
for (var i = 0; i < this.children.length; i++) {
var child = this.children[i];
if (child.onResized) {
child.onResized();
}
}
}, create:function (args, fragment, parent, ns) {
if (ns) {
this.ns = ns;
}
this.satisfyPropertySets(args, fragment, parent);
this.mixInProperties(args, fragment, parent);
this.postMixInProperties(args, fragment, parent);
dojo.widget.manager.add(this);
this.buildRendering(args, fragment, parent);
this.initialize(args, fragment, parent);
this.postInitialize(args, fragment, parent);
this.postCreate(args, fragment, parent);
return this;
}, destroy:function (finalize) {
if (this.parent) {
this.parent.removeChild(this);
}
this.destroyChildren();
this.uninitialize();
this.destroyRendering(finalize);
dojo.widget.manager.removeById(this.widgetId);
}, destroyChildren:function () {
var widget;
var i = 0;
while (this.children.length > i) {
widget = this.children[i];
if (widget instanceof dojo.widget.Widget) {
this.removeChild(widget);
widget.destroy();
continue;
}
i++;
}
}, getChildrenOfType:function (type, recurse) {
var ret = [];
var isFunc = dojo.lang.isFunction(type);
if (!isFunc) {
type = type.toLowerCase();
}
for (var x = 0; x < this.children.length; x++) {
if (isFunc) {
if (this.children[x] instanceof type) {
ret.push(this.children[x]);
}
} else {
if (this.children[x].widgetType.toLowerCase() == type) {
ret.push(this.children[x]);
}
}
if (recurse) {
ret = ret.concat(this.children[x].getChildrenOfType(type, recurse));
}
}
return ret;
}, getDescendants:function () {
var result = [];
var stack = [this];
var elem;
while ((elem = stack.pop())) {
result.push(elem);
if (elem.children) {
dojo.lang.forEach(elem.children, function (elem) {
stack.push(elem);
});
}
}
return result;
}, isFirstChild:function () {
return this === this.parent.children[0];
}, isLastChild:function () {
return this === this.parent.children[this.parent.children.length - 1];
}, satisfyPropertySets:function (args) {
return args;
}, mixInProperties:function (args, frag) {
if ((args["fastMixIn"]) || (frag["fastMixIn"])) {
for (var x in args) {
this[x] = args[x];
}
return;
}
var undef;
var lcArgs = dojo.widget.lcArgsCache[this.widgetType];
if (lcArgs == null) {
lcArgs = {};
for (var y in this) {
lcArgs[((new String(y)).toLowerCase())] = y;
}
dojo.widget.lcArgsCache[this.widgetType] = lcArgs;
}
var visited = {};
for (var x in args) {
if (!this[x]) {
var y = lcArgs[(new String(x)).toLowerCase()];
if (y) {
args[y] = args[x];
x = y;
}
}
if (visited[x]) {
continue;
}
visited[x] = true;
if ((typeof this[x]) != (typeof undef)) {
if (typeof args[x] != "string") {
this[x] = args[x];
} else {
if (dojo.lang.isString(this[x])) {
this[x] = args[x];
} else {
if (dojo.lang.isNumber(this[x])) {
this[x] = new Number(args[x]);
} else {
if (dojo.lang.isBoolean(this[x])) {
this[x] = (args[x].toLowerCase() == "false") ? false : true;
} else {
if (dojo.lang.isFunction(this[x])) {
if (args[x].search(/[^\w\.]+/i) == -1) {
this[x] = dojo.evalObjPath(args[x], false);
} else {
var tn = dojo.lang.nameAnonFunc(new Function(args[x]), this);
dojo.event.kwConnect({srcObj:this, srcFunc:x, adviceObj:this, adviceFunc:tn});
}
} else {
if (dojo.lang.isArray(this[x])) {
this[x] = args[x].split(";");
} else {
if (this[x] instanceof Date) {
this[x] = new Date(Number(args[x]));
} else {
if (typeof this[x] == "object") {
if (this[x] instanceof dojo.uri.Uri) {
this[x] = dojo.uri.dojoUri(args[x]);
} else {
var pairs = args[x].split(";");
for (var y = 0; y < pairs.length; y++) {
var si = pairs[y].indexOf(":");
if ((si != -1) && (pairs[y].length > si)) {
this[x][pairs[y].substr(0, si).replace(/^\s+|\s+$/g, "")] = pairs[y].substr(si + 1);
}
}
}
} else {
this[x] = args[x];
}
}
}
}
}
}
}
}
} else {
this.extraArgs[x.toLowerCase()] = args[x];
}
}
}, postMixInProperties:function (args, frag, parent) {
}, initialize:function (args, frag, parent) {
return false;
}, postInitialize:function (args, frag, parent) {
return false;
}, postCreate:function (args, frag, parent) {
return false;
}, uninitialize:function () {
return false;
}, buildRendering:function (args, frag, parent) {
dojo.unimplemented("dojo.widget.Widget.buildRendering, on " + this.toString() + ", ");
return false;
}, destroyRendering:function () {
dojo.unimplemented("dojo.widget.Widget.destroyRendering");
return false;
}, addedTo:function (parent) {
}, addChild:function (child) {
dojo.unimplemented("dojo.widget.Widget.addChild");
return false;
}, removeChild:function (widget) {
for (var x = 0; x < this.children.length; x++) {
if (this.children[x] === widget) {
this.children.splice(x, 1);
widget.parent = null;
break;
}
}
return widget;
}, getPreviousSibling:function () {
var idx = this.getParentIndex();
if (idx <= 0) {
return null;
}
return this.parent.children[idx - 1];
}, getSiblings:function () {
return this.parent.children;
}, getParentIndex:function () {
return dojo.lang.indexOf(this.parent.children, this, true);
}, getNextSibling:function () {
var idx = this.getParentIndex();
if (idx == this.parent.children.length - 1) {
return null;
}
if (idx < 0) {
return null;
}
return this.parent.children[idx + 1];
}});
dojo.widget.lcArgsCache = {};
dojo.widget.tags = {};
dojo.widget.tags.addParseTreeHandler = function (type) {
dojo.deprecated("addParseTreeHandler", ". ParseTreeHandlers are now reserved for components. Any unfiltered DojoML tag without a ParseTreeHandler is assumed to be a widget", "0.5");
};
dojo.widget.tags["dojo:propertyset"] = function (fragment, widgetParser, parentComp) {
var properties = widgetParser.parseProperties(fragment["dojo:propertyset"]);
};
dojo.widget.tags["dojo:connect"] = function (fragment, widgetParser, parentComp) {
var properties = widgetParser.parseProperties(fragment["dojo:connect"]);
};
dojo.widget.buildWidgetFromParseTree = function (type, frag, parser, parentComp, insertionIndex, localProps) {
dojo.a11y.setAccessibleMode();
var stype = type.split(":");
stype = (stype.length == 2) ? stype[1] : type;
var localProperties = localProps || parser.parseProperties(frag[frag["ns"] + ":" + stype]);
var twidget = dojo.widget.manager.getImplementation(stype, null, null, frag["ns"]);
if (!twidget) {
throw new Error("cannot find \"" + type + "\" widget");
} else {
if (!twidget.create) {
throw new Error("\"" + type + "\" widget object has no \"create\" method and does not appear to implement *Widget");
}
}
localProperties["dojoinsertionindex"] = insertionIndex;
var ret = twidget.create(localProperties, frag, parentComp, frag["ns"]);
return ret;
};
dojo.widget.defineWidget = function (widgetClass, renderer, superclasses, init, props) {
if (dojo.lang.isString(arguments[3])) {
dojo.widget._defineWidget(arguments[0], arguments[3], arguments[1], arguments[4], arguments[2]);
} else {
var args = [arguments[0]], p = 3;
if (dojo.lang.isString(arguments[1])) {
args.push(arguments[1], arguments[2]);
} else {
args.push("", arguments[1]);
p = 2;
}
if (dojo.lang.isFunction(arguments[p])) {
args.push(arguments[p], arguments[p + 1]);
} else {
args.push(null, arguments[p]);
}
dojo.widget._defineWidget.apply(this, args);
}
};
dojo.widget.defineWidget.renderers = "html|svg|vml";
dojo.widget._defineWidget = function (widgetClass, renderer, superclasses, init, props) {
var module = widgetClass.split(".");
var type = module.pop();
var regx = "\\.(" + (renderer ? renderer + "|" : "") + dojo.widget.defineWidget.renderers + ")\\.";
var r = widgetClass.search(new RegExp(regx));
module = (r < 0 ? module.join(".") : widgetClass.substr(0, r));
dojo.widget.manager.registerWidgetPackage(module);
var pos = module.indexOf(".");
var nsName = (pos > -1) ? module.substring(0, pos) : module;
props = (props) || {};
props.widgetType = type;
if ((!init) && (props["classConstructor"])) {
init = props.classConstructor;
delete props.classConstructor;
}
dojo.declare(widgetClass, superclasses, init, props);
};