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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.DomWidget");
dojo.require("dojo.event.*");
dojo.require("dojo.widget.Widget");
dojo.require("dojo.dom");
dojo.require("dojo.html.style");
dojo.require("dojo.xml.Parse");
dojo.require("dojo.uri.*");
dojo.require("dojo.lang.func");
dojo.require("dojo.lang.extras");
dojo.widget._cssFiles = {};
dojo.widget._cssStrings = {};
dojo.widget._templateCache = {};
dojo.widget.defaultStrings = {dojoRoot:dojo.hostenv.getBaseScriptUri(), dojoWidgetModuleUri:dojo.uri.moduleUri("dojo.widget"), baseScriptUri:dojo.hostenv.getBaseScriptUri()};
dojo.widget.fillFromTemplateCache = function (obj, templatePath, templateString, avoidCache) {
        var tpath = templatePath || obj.templatePath;
        var tmplts = dojo.widget._templateCache;
        if (!tpath && !obj["widgetType"]) {
                do {
                        var dummyName = "__dummyTemplate__" + dojo.widget._templateCache.dummyCount++;
                } while (tmplts[dummyName]);
                obj.widgetType = dummyName;
        }
        var wt = tpath ? tpath.toString() : obj.widgetType;
        var ts = tmplts[wt];
        if (!ts) {
                tmplts[wt] = {"string":null, "node":null};
                if (avoidCache) {
                        ts = {};
                } else {
                        ts = tmplts[wt];
                }
        }
        if ((!obj.templateString) && (!avoidCache)) {
                obj.templateString = templateString || ts["string"];
        }
        if (obj.templateString) {
                obj.templateString = this._sanitizeTemplateString(obj.templateString);
        }
        if ((!obj.templateNode) && (!avoidCache)) {
                obj.templateNode = ts["node"];
        }
        if ((!obj.templateNode) && (!obj.templateString) && (tpath)) {
                var tstring = this._sanitizeTemplateString(dojo.hostenv.getText(tpath));
                obj.templateString = tstring;
                if (!avoidCache) {
                        tmplts[wt]["string"] = tstring;
                }
        }
        if ((!ts["string"]) && (!avoidCache)) {
                ts.string = obj.templateString;
        }
};
dojo.widget._sanitizeTemplateString = function (tString) {
        if (tString) {
                tString = tString.replace(/^\s*<\?xml(\s)+version=[\'\"](\d)*.(\d)*[\'\"](\s)*\?>/im, "");
                var matches = tString.match(/<body[^>]*>\s*([\s\S]+)\s*<\/body>/im);
                if (matches) {
                        tString = matches[1];
                }
        } else {
                tString = "";
        }
        return tString;
};
dojo.widget._templateCache.dummyCount = 0;
dojo.widget.attachProperties = ["dojoAttachPoint", "id"];
dojo.widget.eventAttachProperty = "dojoAttachEvent";
dojo.widget.onBuildProperty = "dojoOnBuild";
dojo.widget.waiNames = ["waiRole", "waiState"];
dojo.widget.wai = {waiRole:{name:"waiRole", "namespace":"http://www.w3.org/TR/xhtml2", alias:"x2", prefix:"wairole:"}, waiState:{name:"waiState", "namespace":"http://www.w3.org/2005/07/aaa", alias:"aaa", prefix:""}, setAttr:function (node, ns, attr, value) {
        if (dojo.render.html.ie) {
                node.setAttribute(this[ns].alias + ":" + attr, this[ns].prefix + value);
        } else {
                node.setAttributeNS(this[ns]["namespace"], attr, this[ns].prefix + value);
        }
}, getAttr:function (node, ns, attr) {
        if (dojo.render.html.ie) {
                return node.getAttribute(this[ns].alias + ":" + attr);
        } else {
                return node.getAttributeNS(this[ns]["namespace"], attr);
        }
}, removeAttr:function (node, ns, attr) {
        var success = true;
        if (dojo.render.html.ie) {
                success = node.removeAttribute(this[ns].alias + ":" + attr);
        } else {
                node.removeAttributeNS(this[ns]["namespace"], attr);
        }
        return success;
}};
dojo.widget.attachTemplateNodes = function (rootNode, targetObj, events) {
        var elementNodeType = dojo.dom.ELEMENT_NODE;
        function trim(str) {
                return str.replace(/^\s+|\s+$/g, "");
        }
        if (!rootNode) {
                rootNode = targetObj.domNode;
        }
        if (rootNode.nodeType != elementNodeType) {
                return;
        }
        var nodes = rootNode.all || rootNode.getElementsByTagName("*");
        var _this = targetObj;
        for (var x = -1; x < nodes.length; x++) {
                var baseNode = (x == -1) ? rootNode : nodes[x];
                var attachPoint = [];
                if (!targetObj.widgetsInTemplate || !baseNode.getAttribute("dojoType")) {
                        for (var y = 0; y < this.attachProperties.length; y++) {
                                var tmpAttachPoint = baseNode.getAttribute(this.attachProperties[y]);
                                if (tmpAttachPoint) {
                                        attachPoint = tmpAttachPoint.split(";");
                                        for (var z = 0; z < attachPoint.length; z++) {
                                                if (dojo.lang.isArray(targetObj[attachPoint[z]])) {
                                                        targetObj[attachPoint[z]].push(baseNode);
                                                } else {
                                                        targetObj[attachPoint[z]] = baseNode;
                                                }
                                        }
                                        break;
                                }
                        }
                        var attachEvent = baseNode.getAttribute(this.eventAttachProperty);
                        if (attachEvent) {
                                var evts = attachEvent.split(";");
                                for (var y = 0; y < evts.length; y++) {
                                        if ((!evts[y]) || (!evts[y].length)) {
                                                continue;
                                        }
                                        var thisFunc = null;
                                        var tevt = trim(evts[y]);
                                        if (evts[y].indexOf(":") >= 0) {
                                                var funcNameArr = tevt.split(":");
                                                tevt = trim(funcNameArr[0]);
                                                thisFunc = trim(funcNameArr[1]);
                                        }
                                        if (!thisFunc) {
                                                thisFunc = tevt;
                                        }
                                        var tf = function () {
                                                var ntf = new String(thisFunc);
                                                return function (evt) {
                                                        if (_this[ntf]) {
                                                                _this[ntf](dojo.event.browser.fixEvent(evt, this));
                                                        }
                                                };
                                        }();
                                        dojo.event.browser.addListener(baseNode, tevt, tf, false, true);
                                }
                        }
                        for (var y = 0; y < events.length; y++) {
                                var evtVal = baseNode.getAttribute(events[y]);
                                if ((evtVal) && (evtVal.length)) {
                                        var thisFunc = null;
                                        var domEvt = events[y].substr(4);
                                        thisFunc = trim(evtVal);
                                        var funcs = [thisFunc];
                                        if (thisFunc.indexOf(";") >= 0) {
                                                funcs = dojo.lang.map(thisFunc.split(";"), trim);
                                        }
                                        for (var z = 0; z < funcs.length; z++) {
                                                if (!funcs[z].length) {
                                                        continue;
                                                }
                                                var tf = function () {
                                                        var ntf = new String(funcs[z]);
                                                        return function (evt) {
                                                                if (_this[ntf]) {
                                                                        _this[ntf](dojo.event.browser.fixEvent(evt, this));
                                                                }
                                                        };
                                                }();
                                                dojo.event.browser.addListener(baseNode, domEvt, tf, false, true);
                                        }
                                }
                        }
                }
                var tmpltPoint = baseNode.getAttribute(this.templateProperty);
                if (tmpltPoint) {
                        targetObj[tmpltPoint] = baseNode;
                }
                dojo.lang.forEach(dojo.widget.waiNames, function (name) {
                        var wai = dojo.widget.wai[name];
                        var val = baseNode.getAttribute(wai.name);
                        if (val) {
                                if (val.indexOf("-") == -1) {
                                        dojo.widget.wai.setAttr(baseNode, wai.name, "role", val);
                                } else {
                                        var statePair = val.split("-");
                                        dojo.widget.wai.setAttr(baseNode, wai.name, statePair[0], statePair[1]);
                                }
                        }
                }, this);
                var onBuild = baseNode.getAttribute(this.onBuildProperty);
                if (onBuild) {
                        eval("var node = baseNode; var widget = targetObj; " + onBuild);
                }
        }
};
dojo.widget.getDojoEventsFromStr = function (str) {
        var re = /(dojoOn([a-z]+)(\s?))=/gi;
        var evts = str ? str.match(re) || [] : [];
        var ret = [];
        var lem = {};
        for (var x = 0; x < evts.length; x++) {
                if (evts[x].length < 1) {
                        continue;
                }
                var cm = evts[x].replace(/\s/, "");
                cm = (cm.slice(0, cm.length - 1));
                if (!lem[cm]) {
                        lem[cm] = true;
                        ret.push(cm);
                }
        }
        return ret;
};
dojo.declare("dojo.widget.DomWidget", dojo.widget.Widget, function () {
        if ((arguments.length > 0) && (typeof arguments[0] == "object")) {
                this.create(arguments[0]);
        }
}, {templateNode:null, templateString:null, templateCssString:null, preventClobber:false, domNode:null, containerNode:null, widgetsInTemplate:false, addChild:function (widget, overrideContainerNode, pos, ref, insertIndex) {
        if (!this.isContainer) {
                dojo.debug("dojo.widget.DomWidget.addChild() attempted on non-container widget");
                return null;
        } else {
                if (insertIndex == undefined) {
                        insertIndex = this.children.length;
                }
                this.addWidgetAsDirectChild(widget, overrideContainerNode, pos, ref, insertIndex);
                this.registerChild(widget, insertIndex);
        }
        return widget;
}, addWidgetAsDirectChild:function (widget, overrideContainerNode, pos, ref, insertIndex) {
        if ((!this.containerNode) && (!overrideContainerNode)) {
                this.containerNode = this.domNode;
        }
        var cn = (overrideContainerNode) ? overrideContainerNode : this.containerNode;
        if (!pos) {
                pos = "after";
        }
        if (!ref) {
                if (!cn) {
                        cn = dojo.body();
                }
                ref = cn.lastChild;
        }
        if (!insertIndex) {
                insertIndex = 0;
        }
        widget.domNode.setAttribute("dojoinsertionindex", insertIndex);
        if (!ref) {
                cn.appendChild(widget.domNode);
        } else {
                if (pos == "insertAtIndex") {
                        dojo.dom.insertAtIndex(widget.domNode, ref.parentNode, insertIndex);
                } else {
                        if ((pos == "after") && (ref === cn.lastChild)) {
                                cn.appendChild(widget.domNode);
                        } else {
                                dojo.dom.insertAtPosition(widget.domNode, cn, pos);
                        }
                }
        }
}, registerChild:function (widget, insertionIndex) {
        widget.dojoInsertionIndex = insertionIndex;
        var idx = -1;
        for (var i = 0; i < this.children.length; i++) {
                if (this.children[i].dojoInsertionIndex <= insertionIndex) {
                        idx = i;
                }
        }
        this.children.splice(idx + 1, 0, widget);
        widget.parent = this;
        widget.addedTo(this, idx + 1);
        delete dojo.widget.manager.topWidgets[widget.widgetId];
}, removeChild:function (widget) {
        dojo.dom.removeNode(widget.domNode);
        return dojo.widget.DomWidget.superclass.removeChild.call(this, widget);
}, getFragNodeRef:function (frag) {
        if (!frag) {
                return null;
        }
        if (!frag[this.getNamespacedType()]) {
                dojo.raise("Error: no frag for widget type " + this.getNamespacedType() + ", id " + this.widgetId + " (maybe a widget has set it's type incorrectly)");
        }
        return frag[this.getNamespacedType()]["nodeRef"];
}, postInitialize:function (args, frag, parentComp) {
        var sourceNodeRef = this.getFragNodeRef(frag);
        if (parentComp && (parentComp.snarfChildDomOutput || !sourceNodeRef)) {
                parentComp.addWidgetAsDirectChild(this, "", "insertAtIndex", "", args["dojoinsertionindex"], sourceNodeRef);
        } else {
                if (sourceNodeRef) {
                        if (this.domNode && (this.domNode !== sourceNodeRef)) {
                                this._sourceNodeRef = dojo.dom.replaceNode(sourceNodeRef, this.domNode);
                        }
                }
        }
        if (parentComp) {
                parentComp.registerChild(this, args.dojoinsertionindex);
        } else {
                dojo.widget.manager.topWidgets[this.widgetId] = this;
        }
        if (this.widgetsInTemplate) {
                var parser = new dojo.xml.Parse();
                var subContainerNode;
                var subnodes = this.domNode.getElementsByTagName("*");
                for (var i = 0; i < subnodes.length; i++) {
                        if (subnodes[i].getAttribute("dojoAttachPoint") == "subContainerWidget") {
                                subContainerNode = subnodes[i];
                        }
                        if (subnodes[i].getAttribute("dojoType")) {
                                subnodes[i].setAttribute("isSubWidget", true);
                        }
                }
                if (this.isContainer && !this.containerNode) {
                        if (subContainerNode) {
                                var src = this.getFragNodeRef(frag);
                                if (src) {
                                        dojo.dom.moveChildren(src, subContainerNode);
                                        frag["dojoDontFollow"] = true;
                                }
                        } else {
                                dojo.debug("No subContainerWidget node can be found in template file for widget " + this);
                        }
                }
                var templatefrag = parser.parseElement(this.domNode, null, true);
                dojo.widget.getParser().createSubComponents(templatefrag, this);
                var subwidgets = [];
                var stack = [this];
                var w;
                while ((w = stack.pop())) {
                        for (var i = 0; i < w.children.length; i++) {
                                var cwidget = w.children[i];
                                if (cwidget._processedSubWidgets || !cwidget.extraArgs["issubwidget"]) {
                                        continue;
                                }
                                subwidgets.push(cwidget);
                                if (cwidget.isContainer) {
                                        stack.push(cwidget);
                                }
                        }
                }
                for (var i = 0; i < subwidgets.length; i++) {
                        var widget = subwidgets[i];
                        if (widget._processedSubWidgets) {
                                dojo.debug("This should not happen: widget._processedSubWidgets is already true!");
                                return;
                        }
                        widget._processedSubWidgets = true;
                        if (widget.extraArgs["dojoattachevent"]) {
                                var evts = widget.extraArgs["dojoattachevent"].split(";");
                                for (var j = 0; j < evts.length; j++) {
                                        var thisFunc = null;
                                        var tevt = dojo.string.trim(evts[j]);
                                        if (tevt.indexOf(":") >= 0) {
                                                var funcNameArr = tevt.split(":");
                                                tevt = dojo.string.trim(funcNameArr[0]);
                                                thisFunc = dojo.string.trim(funcNameArr[1]);
                                        }
                                        if (!thisFunc) {
                                                thisFunc = tevt;
                                        }
                                        if (dojo.lang.isFunction(widget[tevt])) {
                                                dojo.event.kwConnect({srcObj:widget, srcFunc:tevt, targetObj:this, targetFunc:thisFunc});
                                        } else {
                                                alert(tevt + " is not a function in widget " + widget);
                                        }
                                }
                        }
                        if (widget.extraArgs["dojoattachpoint"]) {
                                this[widget.extraArgs["dojoattachpoint"]] = widget;
                        }
                }
        }
        if (this.isContainer && !frag["dojoDontFollow"]) {
                dojo.widget.getParser().createSubComponents(frag, this);
        }
}, buildRendering:function (args, frag) {
        var ts = dojo.widget._templateCache[this.widgetType];
        if (args["templatecsspath"]) {
                args["templateCssPath"] = args["templatecsspath"];
        }
        var cpath = args["templateCssPath"] || this.templateCssPath;
        if (cpath && !dojo.widget._cssFiles[cpath.toString()]) {
                if ((!this.templateCssString) && (cpath)) {
                        this.templateCssString = dojo.hostenv.getText(cpath);
                        this.templateCssPath = null;
                }
                dojo.widget._cssFiles[cpath.toString()] = true;
        }
        if ((this["templateCssString"]) && (!dojo.widget._cssStrings[this.templateCssString])) {
                dojo.html.insertCssText(this.templateCssString, null, cpath);
                dojo.widget._cssStrings[this.templateCssString] = true;
        }
        if ((!this.preventClobber) && ((this.templatePath) || (this.templateNode) || ((this["templateString"]) && (this.templateString.length)) || ((typeof ts != "undefined") && ((ts["string"]) || (ts["node"]))))) {
                this.buildFromTemplate(args, frag);
        } else {
                this.domNode = this.getFragNodeRef(frag);
        }
        this.fillInTemplate(args, frag);
}, buildFromTemplate:function (args, frag) {
        var avoidCache = false;
        if (args["templatepath"]) {
                args["templatePath"] = args["templatepath"];
        }
        dojo.widget.fillFromTemplateCache(this, args["templatePath"], null, avoidCache);
        var ts = dojo.widget._templateCache[this.templatePath ? this.templatePath.toString() : this.widgetType];
        if ((ts) && (!avoidCache)) {
                if (!this.templateString.length) {
                        this.templateString = ts["string"];
                }
                if (!this.templateNode) {
                        this.templateNode = ts["node"];
                }
        }
        var matches = false;
        var node = null;
        var tstr = this.templateString;
        if ((!this.templateNode) && (this.templateString)) {
                matches = this.templateString.match(/\$\{([^\}]+)\}/g);
                if (matches) {
                        var hash = this.strings || {};
                        for (var key in dojo.widget.defaultStrings) {
                                if (dojo.lang.isUndefined(hash[key])) {
                                        hash[key] = dojo.widget.defaultStrings[key];
                                }
                        }
                        for (var i = 0; i < matches.length; i++) {
                                var key = matches[i];
                                key = key.substring(2, key.length - 1);
                                var kval = (key.substring(0, 5) == "this.") ? dojo.lang.getObjPathValue(key.substring(5), this) : hash[key];
                                var value;
                                if ((kval) || (dojo.lang.isString(kval))) {
                                        value = new String((dojo.lang.isFunction(kval)) ? kval.call(this, key, this.templateString) : kval);
                                        while (value.indexOf("\"") > -1) {
                                                value = value.replace("\"", "&quot;");
                                        }
                                        tstr = tstr.replace(matches[i], value);
                                }
                        }
                } else {
                        this.templateNode = this.createNodesFromText(this.templateString, true)[0];
                        if (!avoidCache) {
                                ts.node = this.templateNode;
                        }
                }
        }
        if ((!this.templateNode) && (!matches)) {
                dojo.debug("DomWidget.buildFromTemplate: could not create template");
                return false;
        } else {
                if (!matches) {
                        node = this.templateNode.cloneNode(true);
                        if (!node) {
                                return false;
                        }
                } else {
                        node = this.createNodesFromText(tstr, true)[0];
                }
        }
        this.domNode = node;
        this.attachTemplateNodes();
        if (this.isContainer && this.containerNode) {
                var src = this.getFragNodeRef(frag);
                if (src) {
                        dojo.dom.moveChildren(src, this.containerNode);
                }
        }
}, attachTemplateNodes:function (baseNode, targetObj) {
        if (!baseNode) {
                baseNode = this.domNode;
        }
        if (!targetObj) {
                targetObj = this;
        }
        return dojo.widget.attachTemplateNodes(baseNode, targetObj, dojo.widget.getDojoEventsFromStr(this.templateString));
}, fillInTemplate:function () {
}, destroyRendering:function () {
        try {
                dojo.dom.destroyNode(this.domNode);
                delete this.domNode;
        }
        catch (e) {
        }
        if (this._sourceNodeRef) {
                try {
                        dojo.dom.destroyNode(this._sourceNodeRef);
                }
                catch (e) {
                }
        }
}, createNodesFromText:function () {
        dojo.unimplemented("dojo.widget.DomWidget.createNodesFromText");
}});