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alexandre_ |
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/*
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Copyright (c) 2004-2006, The Dojo Foundation
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All Rights Reserved.
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Licensed under the Academic Free License version 2.1 or above OR the
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modified BSD license. For more information on Dojo licensing, see:
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http://dojotoolkit.org/community/licensing.shtml
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*/
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alexandre_ |
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alexandre_ |
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dojo.provide("dojo.widget.ContentPane");
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dojo.require("dojo.widget.*");
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dojo.require("dojo.io.*");
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dojo.require("dojo.widget.HtmlWidget");
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dojo.require("dojo.string");
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dojo.require("dojo.string.extras");
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dojo.require("dojo.html.style");
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dojo.widget.defineWidget("dojo.widget.ContentPane", dojo.widget.HtmlWidget, function () {
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this._styleNodes = [];
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this._onLoadStack = [];
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this._onUnloadStack = [];
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this._callOnUnload = false;
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this._ioBindObj;
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this.scriptScope;
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this.bindArgs = {};
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}, {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) {
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if (this.handler !== "") {
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this.setHandler(this.handler);
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}
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if (this.isShowing() || this.preload) {
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this.loadContents();
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}
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}, show:function () {
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if (this.refreshOnShow) {
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this.refresh();
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} else {
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this.loadContents();
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}
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dojo.widget.ContentPane.superclass.show.call(this);
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}, refresh:function () {
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this.isLoaded = false;
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this.loadContents();
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}, loadContents:function () {
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if (this.isLoaded) {
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return;
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}
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if (dojo.lang.isFunction(this.handler)) {
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this._runHandler();
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} else {
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if (this.href != "") {
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this._downloadExternalContent(this.href, this.cacheContent && !this.refreshOnShow);
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}
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}
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}, setUrl:function (url) {
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this.href = url;
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this.isLoaded = false;
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if (this.preload || this.isShowing()) {
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this.loadContents();
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}
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}, abort:function () {
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var bind = this._ioBindObj;
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if (!bind || !bind.abort) {
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return;
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}
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bind.abort();
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delete this._ioBindObj;
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}, _downloadExternalContent:function (url, useCache) {
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this.abort();
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this._handleDefaults(this.loadingMessage, "onDownloadStart");
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var self = this;
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this._ioBindObj = dojo.io.bind(this._cacheSetting({url:url, mimetype:"text/html", handler:function (type, data, xhr) {
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delete self._ioBindObj;
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if (type == "load") {
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self.onDownloadEnd.call(self, url, data);
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} else {
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var e = {responseText:xhr.responseText, status:xhr.status, statusText:xhr.statusText, responseHeaders:xhr.getAllResponseHeaders(), text:"Error loading '" + url + "' (" + xhr.status + " " + xhr.statusText + ")"};
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self._handleDefaults.call(self, e, "onDownloadError");
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self.onLoad();
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}
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}}, useCache));
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}, _cacheSetting:function (bindObj, useCache) {
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for (var x in this.bindArgs) {
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if (dojo.lang.isUndefined(bindObj[x])) {
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bindObj[x] = this.bindArgs[x];
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}
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}
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if (dojo.lang.isUndefined(bindObj.useCache)) {
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bindObj.useCache = useCache;
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}
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if (dojo.lang.isUndefined(bindObj.preventCache)) {
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bindObj.preventCache = !useCache;
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}
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if (dojo.lang.isUndefined(bindObj.mimetype)) {
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bindObj.mimetype = "text/html";
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}
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return bindObj;
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}, onLoad:function (e) {
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this._runStack("_onLoadStack");
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this.isLoaded = true;
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}, onUnLoad:function (e) {
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dojo.deprecated(this.widgetType + ".onUnLoad, use .onUnload (lowercased load)", 0.5);
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}, onUnload:function (e) {
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this._runStack("_onUnloadStack");
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delete this.scriptScope;
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if (this.onUnLoad !== dojo.widget.ContentPane.prototype.onUnLoad) {
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this.onUnLoad.apply(this, arguments);
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}
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}, _runStack:function (stName) {
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var st = this[stName];
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var err = "";
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var scope = this.scriptScope || window;
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for (var i = 0; i < st.length; i++) {
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try {
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st[i].call(scope);
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}
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catch (e) {
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err += "\n" + st[i] + " failed: " + e.description;
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}
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}
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this[stName] = [];
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if (err.length) {
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var name = (stName == "_onLoadStack") ? "addOnLoad" : "addOnUnLoad";
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this._handleDefaults(name + " failure\n " + err, "onExecError", "debug");
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}
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}, addOnLoad:function (obj, func) {
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this._pushOnStack(this._onLoadStack, obj, func);
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}, addOnUnload:function (obj, func) {
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this._pushOnStack(this._onUnloadStack, obj, func);
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}, addOnUnLoad:function () {
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dojo.deprecated(this.widgetType + ".addOnUnLoad, use addOnUnload instead. (lowercased Load)", 0.5);
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this.addOnUnload.apply(this, arguments);
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}, _pushOnStack:function (stack, obj, func) {
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if (typeof func == "undefined") {
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stack.push(obj);
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} else {
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stack.push(function () {
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obj[func]();
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});
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}
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}, destroy:function () {
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this.onUnload();
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dojo.widget.ContentPane.superclass.destroy.call(this);
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}, onExecError:function (e) {
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}, onContentError:function (e) {
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}, onDownloadError:function (e) {
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}, onDownloadStart:function (e) {
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}, onDownloadEnd:function (url, data) {
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data = this.splitAndFixPaths(data, url);
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this.setContent(data);
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}, _handleDefaults:function (e, handler, messType) {
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if (!handler) {
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handler = "onContentError";
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}
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if (dojo.lang.isString(e)) {
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e = {text:e};
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}
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if (!e.text) {
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e.text = e.toString();
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}
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e.toString = function () {
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return this.text;
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};
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if (typeof e.returnValue != "boolean") {
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e.returnValue = true;
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}
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if (typeof e.preventDefault != "function") {
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e.preventDefault = function () {
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this.returnValue = false;
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};
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}
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this[handler](e);
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if (e.returnValue) {
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switch (messType) {
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case true:
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case "alert":
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alert(e.toString());
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break;
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case "debug":
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dojo.debug(e.toString());
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break;
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default:
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if (this._callOnUnload) {
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this.onUnload();
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}
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this._callOnUnload = false;
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if (arguments.callee._loopStop) {
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dojo.debug(e.toString());
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} else {
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arguments.callee._loopStop = true;
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this._setContent(e.toString());
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}
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}
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}
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arguments.callee._loopStop = false;
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}, splitAndFixPaths:function (s, url) {
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var titles = [], scripts = [], tmp = [];
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var match = [], requires = [], attr = [], styles = [];
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var str = "", path = "", fix = "", tagFix = "", tag = "", origPath = "";
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if (!url) {
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url = "./";
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}
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if (s) {
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var regex = /<title[^>]*>([\s\S]*?)<\/title>/i;
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while (match = regex.exec(s)) {
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titles.push(match[1]);
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s = s.substring(0, match.index) + s.substr(match.index + match[0].length);
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}
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if (this.adjustPaths) {
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var regexFindTag = /<[a-z][a-z0-9]*[^>]*\s(?:(?:src|href|style)=[^>])+[^>]*>/i;
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var regexFindAttr = /\s(src|href|style)=(['"]?)([\w()\[\]\/.,\\'"-:;#=&?\s@]+?)\2/i;
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var regexProtocols = /^(?:[#]|(?:(?:https?|ftps?|file|javascript|mailto|news):))/;
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while (tag = regexFindTag.exec(s)) {
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str += s.substring(0, tag.index);
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s = s.substring((tag.index + tag[0].length), s.length);
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tag = tag[0];
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tagFix = "";
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while (attr = regexFindAttr.exec(tag)) {
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path = "";
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origPath = attr[3];
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switch (attr[1].toLowerCase()) {
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case "src":
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case "href":
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if (regexProtocols.exec(origPath)) {
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path = origPath;
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} else {
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path = (new dojo.uri.Uri(url, origPath).toString());
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}
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break;
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case "style":
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path = dojo.html.fixPathsInCssText(origPath, url);
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break;
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default:
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path = origPath;
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}
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fix = " " + attr[1] + "=" + attr[2] + path + attr[2];
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tagFix += tag.substring(0, attr.index) + fix;
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tag = tag.substring((attr.index + attr[0].length), tag.length);
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}
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str += tagFix + tag;
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}
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s = str + s;
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}
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regex = /(?:<(style)[^>]*>([\s\S]*?)<\/style>|<link ([^>]*rel=['"]?stylesheet['"]?[^>]*)>)/i;
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while (match = regex.exec(s)) {
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if (match[1] && match[1].toLowerCase() == "style") {
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styles.push(dojo.html.fixPathsInCssText(match[2], url));
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} else {
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if (attr = match[3].match(/href=(['"]?)([^'">]*)\1/i)) {
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styles.push({path:attr[2]});
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}
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}
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s = s.substring(0, match.index) + s.substr(match.index + match[0].length);
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}
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var regex = /<script([^>]*)>([\s\S]*?)<\/script>/i;
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var regexSrc = /src=(['"]?)([^"']*)\1/i;
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var regexDojoJs = /.*(\bdojo\b\.js(?:\.uncompressed\.js)?)$/;
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var regexInvalid = /(?:var )?\bdjConfig\b(?:[\s]*=[\s]*\{[^}]+\}|\.[\w]*[\s]*=[\s]*[^;\n]*)?;?|dojo\.hostenv\.writeIncludes\(\s*\);?/g;
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var regexRequires = /dojo\.(?:(?:require(?:After)?(?:If)?)|(?:widget\.(?:manager\.)?registerWidgetPackage)|(?:(?:hostenv\.)?setModulePrefix|registerModulePath)|defineNamespace)\((['"]).*?\1\)\s*;?/;
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while (match = regex.exec(s)) {
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if (this.executeScripts && match[1]) {
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if (attr = regexSrc.exec(match[1])) {
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if (regexDojoJs.exec(attr[2])) {
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dojo.debug("Security note! inhibit:" + attr[2] + " from being loaded again.");
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} else {
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scripts.push({path:attr[2]});
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}
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}
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}
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if (match[2]) {
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var sc = match[2].replace(regexInvalid, "");
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if (!sc) {
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continue;
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}
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while (tmp = regexRequires.exec(sc)) {
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requires.push(tmp[0]);
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sc = sc.substring(0, tmp.index) + sc.substr(tmp.index + tmp[0].length);
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}
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if (this.executeScripts) {
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scripts.push(sc);
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}
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}
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s = s.substr(0, match.index) + s.substr(match.index + match[0].length);
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}
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if (this.extractContent) {
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match = s.match(/<body[^>]*>\s*([\s\S]+)\s*<\/body>/im);
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288 |
if (match) {
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s = match[1];
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}
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}
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if (this.executeScripts && this.scriptSeparation) {
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var regex = /(<[a-zA-Z][a-zA-Z0-9]*\s[^>]*?\S=)((['"])[^>]*scriptScope[^>]*>)/;
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var regexAttr = /([\s'";:\(])scriptScope(.*)/;
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str = "";
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while (tag = regex.exec(s)) {
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tmp = ((tag[3] == "'") ? "\"" : "'");
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fix = "";
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str += s.substring(0, tag.index) + tag[1];
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300 |
while (attr = regexAttr.exec(tag[2])) {
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tag[2] = tag[2].substring(0, attr.index) + attr[1] + "dojo.widget.byId(" + tmp + this.widgetId + tmp + ").scriptScope" + attr[2];
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}
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str += tag[2];
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s = s.substr(tag.index + tag[0].length);
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}
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s = str + s;
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}
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}
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return {"xml":s, "styles":styles, "titles":titles, "requires":requires, "scripts":scripts, "url":url};
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310 |
}, _setContent:function (cont) {
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311 |
this.destroyChildren();
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312 |
for (var i = 0; i < this._styleNodes.length; i++) {
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313 |
if (this._styleNodes[i] && this._styleNodes[i].parentNode) {
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314 |
this._styleNodes[i].parentNode.removeChild(this._styleNodes[i]);
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}
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}
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317 |
this._styleNodes = [];
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318 |
try {
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319 |
var node = this.containerNode || this.domNode;
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320 |
while (node.firstChild) {
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321 |
dojo.html.destroyNode(node.firstChild);
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322 |
}
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323 |
if (typeof cont != "string") {
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324 |
node.appendChild(cont);
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325 |
} else {
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326 |
node.innerHTML = cont;
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327 |
}
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|
328 |
}
|
|
|
329 |
catch (e) {
|
|
|
330 |
e.text = "Couldn't load content:" + e.description;
|
|
|
331 |
this._handleDefaults(e, "onContentError");
|
|
|
332 |
}
|
|
|
333 |
}, setContent:function (data) {
|
|
|
334 |
this.abort();
|
|
|
335 |
if (this._callOnUnload) {
|
|
|
336 |
this.onUnload();
|
|
|
337 |
}
|
|
|
338 |
this._callOnUnload = true;
|
|
|
339 |
if (!data || dojo.html.isNode(data)) {
|
|
|
340 |
this._setContent(data);
|
|
|
341 |
this.onResized();
|
|
|
342 |
this.onLoad();
|
|
|
343 |
} else {
|
|
|
344 |
if (typeof data.xml != "string") {
|
|
|
345 |
this.href = "";
|
|
|
346 |
data = this.splitAndFixPaths(data);
|
|
|
347 |
}
|
|
|
348 |
this._setContent(data.xml);
|
|
|
349 |
for (var i = 0; i < data.styles.length; i++) {
|
|
|
350 |
if (data.styles[i].path) {
|
|
|
351 |
this._styleNodes.push(dojo.html.insertCssFile(data.styles[i].path, dojo.doc(), false, true));
|
|
|
352 |
} else {
|
|
|
353 |
this._styleNodes.push(dojo.html.insertCssText(data.styles[i]));
|
|
|
354 |
}
|
|
|
355 |
}
|
|
|
356 |
if (this.parseContent) {
|
|
|
357 |
for (var i = 0; i < data.requires.length; i++) {
|
|
|
358 |
try {
|
|
|
359 |
eval(data.requires[i]);
|
|
|
360 |
}
|
|
|
361 |
catch (e) {
|
|
|
362 |
e.text = "ContentPane: error in package loading calls, " + (e.description || e);
|
|
|
363 |
this._handleDefaults(e, "onContentError", "debug");
|
|
|
364 |
}
|
|
|
365 |
}
|
|
|
366 |
}
|
|
|
367 |
var _self = this;
|
|
|
368 |
function asyncParse() {
|
|
|
369 |
if (_self.executeScripts) {
|
|
|
370 |
_self._executeScripts(data.scripts);
|
|
|
371 |
}
|
|
|
372 |
if (_self.parseContent) {
|
|
|
373 |
var node = _self.containerNode || _self.domNode;
|
|
|
374 |
var parser = new dojo.xml.Parse();
|
|
|
375 |
var frag = parser.parseElement(node, null, true);
|
|
|
376 |
dojo.widget.getParser().createSubComponents(frag, _self);
|
|
|
377 |
}
|
|
|
378 |
_self.onResized();
|
|
|
379 |
_self.onLoad();
|
|
|
380 |
}
|
|
|
381 |
if (dojo.hostenv.isXDomain && data.requires.length) {
|
|
|
382 |
dojo.addOnLoad(asyncParse);
|
|
|
383 |
} else {
|
|
|
384 |
asyncParse();
|
|
|
385 |
}
|
|
|
386 |
}
|
|
|
387 |
}, setHandler:function (handler) {
|
|
|
388 |
var fcn = dojo.lang.isFunction(handler) ? handler : window[handler];
|
|
|
389 |
if (!dojo.lang.isFunction(fcn)) {
|
|
|
390 |
this._handleDefaults("Unable to set handler, '" + handler + "' not a function.", "onExecError", true);
|
|
|
391 |
return;
|
|
|
392 |
}
|
|
|
393 |
this.handler = function () {
|
|
|
394 |
return fcn.apply(this, arguments);
|
|
|
395 |
};
|
|
|
396 |
}, _runHandler:function () {
|
|
|
397 |
var ret = true;
|
|
|
398 |
if (dojo.lang.isFunction(this.handler)) {
|
|
|
399 |
this.handler(this, this.domNode);
|
|
|
400 |
ret = false;
|
|
|
401 |
}
|
|
|
402 |
this.onLoad();
|
|
|
403 |
return ret;
|
|
|
404 |
}, _executeScripts:function (scripts) {
|
|
|
405 |
var self = this;
|
|
|
406 |
var tmp = "", code = "";
|
|
|
407 |
for (var i = 0; i < scripts.length; i++) {
|
|
|
408 |
if (scripts[i].path) {
|
|
|
409 |
dojo.io.bind(this._cacheSetting({"url":scripts[i].path, "load":function (type, scriptStr) {
|
|
|
410 |
dojo.lang.hitch(self, tmp = ";" + scriptStr);
|
|
|
411 |
}, "error":function (type, error) {
|
|
|
412 |
error.text = type + " downloading remote script";
|
|
|
413 |
self._handleDefaults.call(self, error, "onExecError", "debug");
|
|
|
414 |
}, "mimetype":"text/plain", "sync":true}, this.cacheContent));
|
|
|
415 |
code += tmp;
|
|
|
416 |
} else {
|
|
|
417 |
code += scripts[i];
|
|
|
418 |
}
|
|
|
419 |
}
|
|
|
420 |
try {
|
|
|
421 |
if (this.scriptSeparation) {
|
|
|
422 |
delete this.scriptScope;
|
|
|
423 |
this.scriptScope = new (new Function("_container_", code + "; return this;"))(self);
|
|
|
424 |
} else {
|
|
|
425 |
var djg = dojo.global();
|
|
|
426 |
if (djg.execScript) {
|
|
|
427 |
djg.execScript(code);
|
|
|
428 |
} else {
|
|
|
429 |
var djd = dojo.doc();
|
|
|
430 |
var sc = djd.createElement("script");
|
|
|
431 |
sc.appendChild(djd.createTextNode(code));
|
|
|
432 |
(this.containerNode || this.domNode).appendChild(sc);
|
|
|
433 |
}
|
|
|
434 |
}
|
|
|
435 |
}
|
|
|
436 |
catch (e) {
|
|
|
437 |
e.text = "Error running scripts from content:\n" + e.description;
|
|
|
438 |
this._handleDefaults(e, "onExecError", "debug");
|
|
|
439 |
}
|
|
|
440 |
}});
|
|
|
441 |
|