Subversion Repositories Applications.papyrus

/*
        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.ContentPane");
dojo.require("dojo.widget.*");
dojo.require("dojo.io.*");
dojo.require("dojo.widget.HtmlWidget");
dojo.require("dojo.string");
dojo.require("dojo.string.extras");
dojo.require("dojo.html.style");
dojo.widget.defineWidget("dojo.widget.ContentPane", dojo.widget.HtmlWidget, function () {
        this._styleNodes = [];
        this._onLoadStack = [];
        this._onUnloadStack = [];
        this._callOnUnload = false;
        this._ioBindObj;
        this.scriptScope;
        this.bindArgs = {};
}, {isContainer:true, adjustPaths:true, href:"", extractContent:true, parseContent:true, cacheContent:true, preload:false, refreshOnShow:false, handler:"", executeScripts:false, scriptSeparation:true, loadingMessage:"Loading...", isLoaded:false, postCreate:function (args, frag, parentComp) {
        if (this.handler !== "") {
                this.setHandler(this.handler);
        }
        if (this.isShowing() || this.preload) {
                this.loadContents();
        }
}, show:function () {
        if (this.refreshOnShow) {
                this.refresh();
        } else {
                this.loadContents();
        }
        dojo.widget.ContentPane.superclass.show.call(this);
}, refresh:function () {
        this.isLoaded = false;
        this.loadContents();
}, loadContents:function () {
        if (this.isLoaded) {
                return;
        }
        if (dojo.lang.isFunction(this.handler)) {
                this._runHandler();
        } else {
                if (this.href != "") {
                        this._downloadExternalContent(this.href, this.cacheContent && !this.refreshOnShow);
                }
        }
}, setUrl:function (url) {
        this.href = url;
        this.isLoaded = false;
        if (this.preload || this.isShowing()) {
                this.loadContents();
        }
}, abort:function () {
        var bind = this._ioBindObj;
        if (!bind || !bind.abort) {
                return;
        }
        bind.abort();
        delete this._ioBindObj;
}, _downloadExternalContent:function (url, useCache) {
        this.abort();
        this._handleDefaults(this.loadingMessage, "onDownloadStart");
        var self = this;
        this._ioBindObj = dojo.io.bind(this._cacheSetting({url:url, mimetype:"text/html", handler:function (type, data, xhr) {
                delete self._ioBindObj;
                if (type == "load") {
                        self.onDownloadEnd.call(self, url, data);
                } else {
                        var e = {responseText:xhr.responseText, status:xhr.status, statusText:xhr.statusText, responseHeaders:xhr.getAllResponseHeaders(), text:"Error loading '" + url + "' (" + xhr.status + " " + xhr.statusText + ")"};
                        self._handleDefaults.call(self, e, "onDownloadError");
                        self.onLoad();
                }
        }}, useCache));
}, _cacheSetting:function (bindObj, useCache) {
        for (var x in this.bindArgs) {
                if (dojo.lang.isUndefined(bindObj[x])) {
                        bindObj[x] = this.bindArgs[x];
                }
        }
        if (dojo.lang.isUndefined(bindObj.useCache)) {
                bindObj.useCache = useCache;
        }
        if (dojo.lang.isUndefined(bindObj.preventCache)) {
                bindObj.preventCache = !useCache;
        }
        if (dojo.lang.isUndefined(bindObj.mimetype)) {
                bindObj.mimetype = "text/html";
        }
        return bindObj;
}, onLoad:function (e) {
        this._runStack("_onLoadStack");
        this.isLoaded = true;
}, onUnLoad:function (e) {
        dojo.deprecated(this.widgetType + ".onUnLoad, use .onUnload (lowercased load)", 0.5);
}, onUnload:function (e) {
        this._runStack("_onUnloadStack");
        delete this.scriptScope;
        if (this.onUnLoad !== dojo.widget.ContentPane.prototype.onUnLoad) {
                this.onUnLoad.apply(this, arguments);
        }
}, _runStack:function (stName) {
        var st = this[stName];
        var err = "";
        var scope = this.scriptScope || window;
        for (var i = 0; i < st.length; i++) {
                try {
                        st[i].call(scope);
                }
                catch (e) {
                        err += "\n" + st[i] + " failed: " + e.description;
                }
        }
        this[stName] = [];
        if (err.length) {
                var name = (stName == "_onLoadStack") ? "addOnLoad" : "addOnUnLoad";
                this._handleDefaults(name + " failure\n " + err, "onExecError", "debug");
        }
}, addOnLoad:function (obj, func) {
        this._pushOnStack(this._onLoadStack, obj, func);
}, addOnUnload:function (obj, func) {
        this._pushOnStack(this._onUnloadStack, obj, func);
}, addOnUnLoad:function () {
        dojo.deprecated(this.widgetType + ".addOnUnLoad, use addOnUnload instead. (lowercased Load)", 0.5);
        this.addOnUnload.apply(this, arguments);
}, _pushOnStack:function (stack, obj, func) {
        if (typeof func == "undefined") {
                stack.push(obj);
        } else {
                stack.push(function () {
                        obj[func]();
                });
        }
}, destroy:function () {
        this.onUnload();
        dojo.widget.ContentPane.superclass.destroy.call(this);
}, onExecError:function (e) {
}, onContentError:function (e) {
}, onDownloadError:function (e) {
}, onDownloadStart:function (e) {
}, onDownloadEnd:function (url, data) {
        data = this.splitAndFixPaths(data, url);
        this.setContent(data);
}, _handleDefaults:function (e, handler, messType) {
        if (!handler) {
                handler = "onContentError";
        }
        if (dojo.lang.isString(e)) {
                e = {text:e};
        }
        if (!e.text) {
                e.text = e.toString();
        }
        e.toString = function () {
                return this.text;
        };
        if (typeof e.returnValue != "boolean") {
                e.returnValue = true;
        }
        if (typeof e.preventDefault != "function") {
                e.preventDefault = function () {
                        this.returnValue = false;
                };
        }
        this[handler](e);
        if (e.returnValue) {
                switch (messType) {
                  case true:
                  case "alert":
                        alert(e.toString());
                        break;
                  case "debug":
                        dojo.debug(e.toString());
                        break;
                  default:
                        if (this._callOnUnload) {
                                this.onUnload();
                        }
                        this._callOnUnload = false;
                        if (arguments.callee._loopStop) {
                                dojo.debug(e.toString());
                        } else {
                                arguments.callee._loopStop = true;
                                this._setContent(e.toString());
                        }
                }
        }
        arguments.callee._loopStop = false;
}, splitAndFixPaths:function (s, url) {
        var titles = [], scripts = [], tmp = [];
        var match = [], requires = [], attr = [], styles = [];
        var str = "", path = "", fix = "", tagFix = "", tag = "", origPath = "";
        if (!url) {
                url = "./";
        }
        if (s) {
                var regex = /<title[^>]*>([\s\S]*?)<\/title>/i;
                while (match = regex.exec(s)) {
                        titles.push(match[1]);
                        s = s.substring(0, match.index) + s.substr(match.index + match[0].length);
                }
                if (this.adjustPaths) {
                        var regexFindTag = /<[a-z][a-z0-9]*[^>]*\s(?:(?:src|href|style)=[^>])+[^>]*>/i;
                        var regexFindAttr = /\s(src|href|style)=(['"]?)([\w()\[\]\/.,\\'"-:;#=&?\s@]+?)\2/i;
                        var regexProtocols = /^(?:[#]|(?:(?:https?|ftps?|file|javascript|mailto|news):))/;
                        while (tag = regexFindTag.exec(s)) {
                                str += s.substring(0, tag.index);
                                s = s.substring((tag.index + tag[0].length), s.length);
                                tag = tag[0];
                                tagFix = "";
                                while (attr = regexFindAttr.exec(tag)) {
                                        path = "";
                                        origPath = attr[3];
                                        switch (attr[1].toLowerCase()) {
                                          case "src":
                                          case "href":
                                                if (regexProtocols.exec(origPath)) {
                                                        path = origPath;
                                                } else {
                                                        path = (new dojo.uri.Uri(url, origPath).toString());
                                                }
                                                break;
                                          case "style":
                                                path = dojo.html.fixPathsInCssText(origPath, url);
                                                break;
                                          default:
                                                path = origPath;
                                        }
                                        fix = " " + attr[1] + "=" + attr[2] + path + attr[2];
                                        tagFix += tag.substring(0, attr.index) + fix;
                                        tag = tag.substring((attr.index + attr[0].length), tag.length);
                                }
                                str += tagFix + tag;
                        }
                        s = str + s;
                }
                regex = /(?:<(style)[^>]*>([\s\S]*?)<\/style>|<link ([^>]*rel=['"]?stylesheet['"]?[^>]*)>)/i;
                while (match = regex.exec(s)) {
                        if (match[1] && match[1].toLowerCase() == "style") {
                                styles.push(dojo.html.fixPathsInCssText(match[2], url));
                        } else {
                                if (attr = match[3].match(/href=(['"]?)([^'">]*)\1/i)) {
                                        styles.push({path:attr[2]});
                                }
                        }
                        s = s.substring(0, match.index) + s.substr(match.index + match[0].length);
                }
                var regex = /<script([^>]*)>([\s\S]*?)<\/script>/i;
                var regexSrc = /src=(['"]?)([^"']*)\1/i;
                var regexDojoJs = /.*(\bdojo\b\.js(?:\.uncompressed\.js)?)$/;
                var regexInvalid = /(?:var )?\bdjConfig\b(?:[\s]*=[\s]*\{[^}]+\}|\.[\w]*[\s]*=[\s]*[^;\n]*)?;?|dojo\.hostenv\.writeIncludes\(\s*\);?/g;
                var regexRequires = /dojo\.(?:(?:require(?:After)?(?:If)?)|(?:widget\.(?:manager\.)?registerWidgetPackage)|(?:(?:hostenv\.)?setModulePrefix|registerModulePath)|defineNamespace)\((['"]).*?\1\)\s*;?/;
                while (match = regex.exec(s)) {
                        if (this.executeScripts && match[1]) {
                                if (attr = regexSrc.exec(match[1])) {
                                        if (regexDojoJs.exec(attr[2])) {
                                                dojo.debug("Security note! inhibit:" + attr[2] + " from  being loaded again.");
                                        } else {
                                                scripts.push({path:attr[2]});
                                        }
                                }
                        }
                        if (match[2]) {
                                var sc = match[2].replace(regexInvalid, "");
                                if (!sc) {
                                        continue;
                                }
                                while (tmp = regexRequires.exec(sc)) {
                                        requires.push(tmp[0]);
                                        sc = sc.substring(0, tmp.index) + sc.substr(tmp.index + tmp[0].length);
                                }
                                if (this.executeScripts) {
                                        scripts.push(sc);
                                }
                        }
                        s = s.substr(0, match.index) + s.substr(match.index + match[0].length);
                }
                if (this.extractContent) {
                        match = s.match(/<body[^>]*>\s*([\s\S]+)\s*<\/body>/im);
                        if (match) {
                                s = match[1];
                        }
                }
                if (this.executeScripts && this.scriptSeparation) {
                        var regex = /(<[a-zA-Z][a-zA-Z0-9]*\s[^>]*?\S=)((['"])[^>]*scriptScope[^>]*>)/;
                        var regexAttr = /([\s'";:\(])scriptScope(.*)/;
                        str = "";
                        while (tag = regex.exec(s)) {
                                tmp = ((tag[3] == "'") ? "\"" : "'");
                                fix = "";
                                str += s.substring(0, tag.index) + tag[1];
                                while (attr = regexAttr.exec(tag[2])) {
                                        tag[2] = tag[2].substring(0, attr.index) + attr[1] + "dojo.widget.byId(" + tmp + this.widgetId + tmp + ").scriptScope" + attr[2];
                                }
                                str += tag[2];
                                s = s.substr(tag.index + tag[0].length);
                        }
                        s = str + s;
                }
        }
        return {"xml":s, "styles":styles, "titles":titles, "requires":requires, "scripts":scripts, "url":url};
}, _setContent:function (cont) {
        this.destroyChildren();
        for (var i = 0; i < this._styleNodes.length; i++) {
                if (this._styleNodes[i] && this._styleNodes[i].parentNode) {
                        this._styleNodes[i].parentNode.removeChild(this._styleNodes[i]);
                }
        }
        this._styleNodes = [];
        try {
                var node = this.containerNode || this.domNode;
                while (node.firstChild) {
                        dojo.html.destroyNode(node.firstChild);
                }
                if (typeof cont != "string") {
                        node.appendChild(cont);
                } else {
                        node.innerHTML = cont;
                }
        }
        catch (e) {
                e.text = "Couldn't load content:" + e.description;
                this._handleDefaults(e, "onContentError");
        }
}, setContent:function (data) {
        this.abort();
        if (this._callOnUnload) {
                this.onUnload();
        }
        this._callOnUnload = true;
        if (!data || dojo.html.isNode(data)) {
                this._setContent(data);
                this.onResized();
                this.onLoad();
        } else {
                if (typeof data.xml != "string") {
                        this.href = "";
                        data = this.splitAndFixPaths(data);
                }
                this._setContent(data.xml);
                for (var i = 0; i < data.styles.length; i++) {
                        if (data.styles[i].path) {
                                this._styleNodes.push(dojo.html.insertCssFile(data.styles[i].path, dojo.doc(), false, true));
                        } else {
                                this._styleNodes.push(dojo.html.insertCssText(data.styles[i]));
                        }
                }
                if (this.parseContent) {
                        for (var i = 0; i < data.requires.length; i++) {
                                try {
                                        eval(data.requires[i]);
                                }
                                catch (e) {
                                        e.text = "ContentPane: error in package loading calls, " + (e.description || e);
                                        this._handleDefaults(e, "onContentError", "debug");
                                }
                        }
                }
                var _self = this;
                function asyncParse() {
                        if (_self.executeScripts) {
                                _self._executeScripts(data.scripts);
                        }
                        if (_self.parseContent) {
                                var node = _self.containerNode || _self.domNode;
                                var parser = new dojo.xml.Parse();
                                var frag = parser.parseElement(node, null, true);
                                dojo.widget.getParser().createSubComponents(frag, _self);
                        }
                        _self.onResized();
                        _self.onLoad();
                }
                if (dojo.hostenv.isXDomain && data.requires.length) {
                        dojo.addOnLoad(asyncParse);
                } else {
                        asyncParse();
                }
        }
}, setHandler:function (handler) {
        var fcn = dojo.lang.isFunction(handler) ? handler : window[handler];
        if (!dojo.lang.isFunction(fcn)) {
                this._handleDefaults("Unable to set handler, '" + handler + "' not a function.", "onExecError", true);
                return;
        }
        this.handler = function () {
                return fcn.apply(this, arguments);
        };
}, _runHandler:function () {
        var ret = true;
        if (dojo.lang.isFunction(this.handler)) {
                this.handler(this, this.domNode);
                ret = false;
        }
        this.onLoad();
        return ret;
}, _executeScripts:function (scripts) {
        var self = this;
        var tmp = "", code = "";
        for (var i = 0; i < scripts.length; i++) {
                if (scripts[i].path) {
                        dojo.io.bind(this._cacheSetting({"url":scripts[i].path, "load":function (type, scriptStr) {
                                dojo.lang.hitch(self, tmp = ";" + scriptStr);
                        }, "error":function (type, error) {
                                error.text = type + " downloading remote script";
                                self._handleDefaults.call(self, error, "onExecError", "debug");
                        }, "mimetype":"text/plain", "sync":true}, this.cacheContent));
                        code += tmp;
                } else {
                        code += scripts[i];
                }
        }
        try {
                if (this.scriptSeparation) {
                        delete this.scriptScope;
                        this.scriptScope = new (new Function("_container_", code + "; return this;"))(self);
                } else {
                        var djg = dojo.global();
                        if (djg.execScript) {
                                djg.execScript(code);
                        } else {
                                var djd = dojo.doc();
                                var sc = djd.createElement("script");
                                sc.appendChild(djd.createTextNode(code));
                                (this.containerNode || this.domNode).appendChild(sc);
                        }
                }
        }
        catch (e) {
                e.text = "Error running scripts from content:\n" + e.description;
                this._handleDefaults(e, "onExecError", "debug");
        }
}});