mirror of
https://github.com/EGroupware/egroupware.git
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380 lines
9.5 KiB
JavaScript
380 lines
9.5 KiB
JavaScript
/**
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* eGroupware Framework browser object
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* @package framework
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* @author Hadi Nategh <hn@stylite.de>
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* @copyright Stylite AG 2014
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* @description Framework browser object, is implementation of browser class in order to display application content
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*/
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/*egw:uses
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jquery.jquery;
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egw_inheritance.js;
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*/
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/**
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* Constants definition
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*/
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EGW_BROWSER_TYPE_NONE = 0;
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EGW_BROWSER_TYPE_IFRAME = 1;
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EGW_BROWSER_TYPE_DIV = 2;
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"use strict";
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var fw_browser = Class.extend({
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/**
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* @param {string} _app
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* @param {function} _heightCallback
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* Framework browser class constructor
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*/
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init: function (_app, _heightCallback){
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//Create a div which contains both, the legacy iframe and the contentDiv
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this.baseDiv = document.createElement('div');
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this.type = EGW_BROWSER_TYPE_NONE;
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this.iframe = null;
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this.contentDiv = null;
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this.heightCallback = _heightCallback;
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this.app = _app;
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this.currentLocation = '';
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this.ajaxLoaderDiv = null;
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this.loadingDeferred = null;
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},
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/**
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* Triggers resize event on window
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*/
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callResizeHandler: function()
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{
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var wnd = window;
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if (this.iframe)
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{
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wnd = this.iframe.contentWindow;
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}
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// Call the resize handler (we have to use the jquery object of the iframe!)
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if (wnd && typeof wnd.$j != "undefined")
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{
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wnd.$j(wnd).trigger("resize");
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}
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},
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/**
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* Resizes both, the contentDiv and the iframe to the size returned from the heightCallback
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*/
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resize: function()
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{
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var height = this.heightCallback.call(this.iframe) + 'px';
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//Set the height of the content div or the iframe
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if (this.contentDiv)
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{
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this.contentDiv.style.height = height;
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}
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if (this.iframe)
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{
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this.iframe.style.height = height;
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}
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},
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/**
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* Sets browser type either DIV or IFRAME
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*
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* @param {int} _type
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*/
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setBrowserType: function(_type)
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{
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//Only do anything if the browser type has changed
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if (_type != this.type)
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{
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//Destroy the iframe and/or the contentDiv
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$j(this.baseDiv).empty();
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this.iframe = null;
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this.contentDiv = null;
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if(this.loadingDeferred && this.type)
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{
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this.loadingDeferred.reject();
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}
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switch (_type)
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{
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//Create the div for displaying the content
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case EGW_BROWSER_TYPE_DIV:
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this.contentDiv = document.createElement('div');
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$j(this.contentDiv).addClass('egw_fw_content_browser_div');
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$j(this.baseDiv).append(this.contentDiv);
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break;
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case EGW_BROWSER_TYPE_IFRAME:
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//Create the iframe
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this.iframe = document.createElement('iframe');
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this.iframe.style.width = "100%";
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this.iframe.style.borderWidth = 0;
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this.iframe.frameBorder = 0;
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this.iframe.name = 'egw_app_iframe_' + this.app.appName;
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$j(this.iframe).addClass('egw_fw_content_browser_iframe');
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$j(this.baseDiv).append(this.iframe);
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break;
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}
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this.resize();
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this.type = _type;
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}
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},
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/**
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* Sets url to browse and load the content in proper content browser
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* @param {string} _url
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* @return {Deferred} Returns a Deferred promise object
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*/
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browse: function(_url)
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{
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// check if app has its own linkHandler and it accepts the link (returns true), or returns different url instead
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if (typeof window.app == 'object' && typeof window.app[this.app.appName] == 'object' &&
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typeof window.app[this.app.appName].linkHandler == 'function')
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{
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var ret = window.app[this.app.appName].linkHandler.call(window.app[this.app.appName], _url);
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{
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if (ret === true) return this.loadingDeferred.promise();
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if (typeof ret === 'string')
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{
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_url = ret;
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}
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}
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}
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var useIframe = true;
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var targetUrl = _url;
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if(_url == this.currentLocation && this.loadingDeferred != null)
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{
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// Still loading
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return this.loadingDeferred.promise();
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}
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// Show loader div, start blocking
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var self = this;
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this.ajaxLoaderDiv = jQuery('<div class="loading ui-widget-overlay ui-front">'+egw.lang('please wait...')+'</div>').insertBefore(this.baseDiv);
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this.loadingDeferred = new jQuery.Deferred();
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// Try to escape from infinitive not resolved loadingDeferred
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// At least user can close the broken tab and work with the others.
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// Define a escape timeout for 5 sec
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this.ajaxLoaderDivTimeout = setTimeout(function(){
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(self.ajaxLoaderDiv || jQuery('div.loading')).hide().remove();
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self.ajaxLoaderDiv = null;
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},5000);
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this.loadingDeferred.always(function() {
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if(self.ajaxLoaderDiv)
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{
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self.ajaxLoaderDiv.hide().remove();
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self.ajaxLoaderDiv = null;
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// Remove escape timeout
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clearTimeout(self.ajaxLoaderDivTimeout);
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}
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});
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// Check whether the given url is a pseudo url which should be executed
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// by calling the ajax_exec function
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// we now send whole url back to server, so apps can use $_GET['ajax']==='true'
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// to detect app-icon was clicked and eg. further reset filters
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var matches = _url.match(/\/index.php\?menuaction=([A-Za-z0-9_\.]*.*&ajax=true.*)$/);
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if (matches) {
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// Matches[1] contains the menuaction which should be executed - replace
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// the given url with the following line. This will be evaluated by the
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// jdots_framework ajax_exec function which will be called by the code
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// below as we set useIframe to false.
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targetUrl = "index.php?menuaction=" + matches[1];
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useIframe = false;
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}
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// External link, but we'd still like to use everything without iframe
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if(_url.indexOf('no_popup=1') > 0)
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{
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useIframe = false;
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}
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// Destroy application js
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if(window.app[this.app.appName] && window.app[this.app.appName].destroy)
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{
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window.app[this.app.appName].destroy();
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}
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// Unload etemplate2, if there
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if(typeof etemplate2 == "function")
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{
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// Clear all etemplates on this tab, regardless of application, by using DOM nodes
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$j('.et2_container',this.contentDiv||this.baseDiv).each(function() {
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var et = etemplate2.getById(this.id);
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if(et !== null)
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{
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et.clear();
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}
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});
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}
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else if(this.iframe && typeof this.iframe.contentWindow.etemplate2 == "function")
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{
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try
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{
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if(typeof this.iframe.contentWindow.etemplate2 == "function")
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{
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// Clear all etemplates on this tab, regardless of application, by using DOM nodes
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var content = this.iframe.contentWindow;
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$j('.et2_container',this.iframe.contentWindow).each(function() {
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var et = content.etemplate2.getById(this.id);
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if(et !== null)
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{
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et.clear();
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}
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});
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}
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}
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catch(e) {} // catch error if eg. SiteMgr runs a different origin, otherwise tab cant be closed
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}
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// Save the actual url which has been passed as parameter
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this.currentLocation = _url;
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//Set the browser type
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if (useIframe)
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{
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this.setBrowserType(EGW_BROWSER_TYPE_IFRAME);
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//Postpone the actual "navigation" - gives some speedup with internet explorer
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//as it does no longer blocks the complete page until all frames have loaded.
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window.setTimeout(function() {
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//Load the iframe content
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self.iframe.src = _url;
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//Set the "_legacy_iframe" flag to allow link handlers to easily determine
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//the type of the link source
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if (self.iframe && self.iframe.contentWindow) {
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try {
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self.iframe.contentWindow._legacy_iframe = true;
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// Focus the iframe of the current application
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if (self.app == framework.activeApp)
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{
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self.iframe.contentWindow.focus();
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}
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}
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catch (e) {
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// ignoer SecurityError: Blocked a frame ..., caused by different origin
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}
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}
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if(self.loadingDeferred)
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{
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self.loadingDeferred.resolve();
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self.loadingDeferred = null;
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}
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}, 1);
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}
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else
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{
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this.setBrowserType(EGW_BROWSER_TYPE_DIV);
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//Special treatement of "about:blank"
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if (targetUrl == "about:blank")
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{
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if (this.app.sidemenuEntry)
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this.app.sidemenuEntry.hideAjaxLoader();
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egw_widgetReplace(this.app.appName, this.contentDiv, '');
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}
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else
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{
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//Perform an AJAX request loading application output
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if (this.app.sidemenuEntry)
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this.app.sidemenuEntry.showAjaxLoader();
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this.data = "";
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$j(this.contentDiv).empty();
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var self_egw = egw(this.app.appName);
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var req = self_egw.json(
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this.app.getMenuaction('ajax_exec'),
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[targetUrl], this.browse_callback,this, true, this
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);
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req.sendRequest();
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}
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}
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return this.loadingDeferred.promise();
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},
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/**
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*
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* @param {type} _data
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* @return {undefined} return undefined if data is not from the right response
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*/
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browse_callback: function(_data)
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{
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// Abort if data is from wrong kind of response - only 'data'
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if(!_data || _data.type != undefined) return;
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this.data = _data[0];
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this.browse_finished();
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},
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/**
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* Get call via browse_callback in order to attaching nodes to the DOM
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*/
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browse_finished: function()
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{
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if (this.app.sidemenuEntry)
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this.app.sidemenuEntry.hideAjaxLoader();
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// egw_widgetReplace(this.app.appName, this.contentDiv, this.data);
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content = {
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html: this.data,
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js: ''
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};
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if (this.app == framework.activeApp)
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{
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window.focus();
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}
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egw_seperateJavaScript(content);
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// Insert the content
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$j(this.contentDiv).append(content.html);
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// Run the javascript code
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//console.log(content.js);
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$j(this.contentDiv).append(content.js);
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if(this.loadingDeferred)
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{
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this.loadingDeferred.resolve();
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}
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},
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/**
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* REload the content of the browser object
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*/
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reload: function()
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{
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switch (this.type)
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{
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case EGW_BROWSER_TYPE_DIV:
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this.browse(this.currentLocation);
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break;
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case EGW_BROWSER_TYPE_IFRAME:
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//Do a simple reload in the iframe case
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this.iframe.contentWindow.location.reload();
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break;
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}
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},
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/**
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*
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*/
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blank: function()
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{
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this.browse('about:blank', this.type == EGW_BROWSER_TYPE_IFRAME);
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}
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});
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