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/** * @package EasyBlog * @copyright Copyright (C) 2010 Stack Ideas Private Limited. All rights reserved. * @license GNU/GPL, see LICENSE.php * * EasyBlog is free software. This version may have been modified pursuant * to the GNU General Public License, and as distributed it includes or * is derivative of works licensed under the GNU General Public License or * other free or open source software licenses. * See COPYRIGHT.php for copyright notices and details. / EasyBlog.module('ejax', function($) { var module = this; ejax = { http: false, //HTTP Object format: 'text', callback: function(data){}, error: false, getHTTPObject : function() { var http = false; //Use IE's ActiveX items to load the file. if ( typeof ActiveXObject != 'undefined' ) { try { http = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try { http = new ActiveXObject("Microsoft.XMLHTTP"); } catch (E) { http = false; } } //If ActiveX is not available, use the XMLHttpRequest of Firefox/Mozilla etc. to load the document. } else if ( XMLHttpRequest ) { try {http = new XMLHttpRequest();} catch (e) {http = false;} } return http; }, /* * Ajax function / // ejax.call('controller','task', ['arg1', 'arg2'], function(){}); // ejax.call('controller','task', ['arg1', 'arg2'], { // success: function(){}, // error: function(){} // }); call: function(view, method, params, callback) { var args = [{view: view, callback: callback}, method]; args = args.concat(params); ejax.load.apply(this, args); }, load : function ( view, method ) { var callback = { success: function(){}, error: function(){} }; if (typeof view == "object") { callback = $.extend(callback, ($.isFunction(view.callback)) ? {success: view.callback} : view.callback); view = view.view; } // This will be the site we are trying to connect to. url = eblog_site; url += '&tmpl=component'; url += '&no_html=1'; url += '&format=ejax'; //Kill the Cache problem in IE. url += "&uid=" + new Date().getTime(); var parameters = '&view=' + view + '&layout=' + method; // If there is more than 1 arguments, we want to accept it as parameters. if ( arguments.length > 2 ) { for ( var i = 2; i < arguments.length; i++ ) { var myArgument = arguments[ i ]; if($.isArray(myArgument)) { for(var j = 0; j < myArgument.length; j++) { var argument = myArgument[j]; if ( typeof( argument ) == 'string' ) { // Encode value to proper html entities. parameters += '&value' + ( i - 2 ) + '[]=' + encodeURIComponent( argument ); } } } else { var argument = myArgument; if ( typeof( argument ) == 'string' ) { // Encode value to proper html entities. parameters += '&value' + ( i - 2 ) + '=' + encodeURIComponent( argument ); } } } } var http = this.getHTTPObject(); //The XMLHttpRequest object is recreated at every call - to defeat Cache problem in IE if ( !http \|\| !view \|\| !method ) return; // if ( this.http.overrideMimeType ) // this.http.overrideMimeType( 'text/xml' ); //Closure var ths = this; http.open( 'POST' , url , true ); // Required because we are doing a post http.setRequestHeader( "Content-type", "application/x-www-form-urlencoded" ); http.setRequestHeader( "Content-length", parameters.length ); http.setRequestHeader( "Connection", "close" ); http.onreadystatechange = function(){ //Call a function when the state changes. if (http.readyState == 4) { //Ready State will be 4 when the document is loaded. if (http.status == 200) { var result = ""; if (http.responseText) { result = http.responseText; } // Evaluate the result before processing the JSON text. New lines in JSON string, // when evaluated will create errors in IE. result = result.replace(/[\n\r]/g,""); try { result = eval( result ); } catch(e) { if (callback.error) { callback.error('Invalid response.'); } } // Give the data to the callback function. ths.process( result, callback ); } else { //An error occured if (ths.error) { ths.error( http.status ); if (callback.error) { callback.error(http.status); } } } } } http.send( parameters ); }, /* * Method to get translated string from server * * @param string / _string: [], string: function( str ) { if (ejax._string[str]!=undefined) return ejax._string[str]; var url = eblog_site + '&tmpl=component&no_html=1&controller=easyblog&task=ajaxGetSystemString'; var r1 = $.ajax({ type: "POST", url: url, data: "data=" + str, async: false, cache: true }).responseText; ejax._string[str] = r1; return r1; }, /* * Get form values * * @param string Form ID / getFormVal : function( element ) { var inputs = []; var val = null; $( ':input', $( element ) ).each( function() { val = this.value.replace(/"/g, """); val = encodeURIComponent(val); if($(this).is(':checkbox') \|\| $(this).is(':radio')) { if($(this).prop('checked')) { inputs.push( this.name + '=' + escape( val ) ); } } else { inputs.push( this.name + '=' + escape( val ) ); } }); //var finalData = inputs.join('&&'); //return finalData; return inputs; }, process : function ( result, callback ){ // Process response according to the key for(var i=0; i < result.length;i++) { var action = result[ i ][ 0 ]; switch( action ) { case 'script': var data = result[ i ][ 1 ]; eval("EasyBlog(function($){" + data + "});"); break; case 'after': var id = result[ i ][ 1 ]; var value = result[ i ][ 2 ]; $( '#' + id ).after( value ); break; case 'append': var id = result[ i ][ 1 ]; var value = result[ i ][ 2 ]; $( '#' + id ).append( value ); break; case 'assign': var id = result[ i ][ 1 ]; var value = result[ i ][ 2 ]; $( '#' + id ).html( value ); break; case 'value': var id = result[ i ][ 1 ]; var value = result[ i ][ 2 ]; $( '#' + id ).val( value ); break; case 'prepend': var id = result[ i ][ 1 ]; var value = result[ i ][ 2 ]; $( '#' + id ).prepend( value ); break; case 'destroy': var id = result[ i ][ 1 ]; $( '#' + id ).remove(); break; case 'dialog': ejax.dialog( result[ i ][ 1 ] ); break; case 'alert': ejax.alert( result[ i ][ 1 ], result[ i ][ 2 ], result[ i ][ 3 ] , result[ i ][ 4 ] ); break; case 'create': break; case 'error': var args = result[ i ].slice(1); callback.error.apply(this,args); break; case 'callback': var args = result[ i ].slice(1); callback.success.apply(this, args); break; } } delete result; }, /* * Dialog / dialog: function( options ) { ejax._showPopup( options ); }, closedlg: function() { var dialog = $('#eblog-dialog'); var dialogOverlay = $('#eblog-overlay'); var options = dialog.data('options'); dialogOverlay.hide(); dialog .fadeOut(function() { options.afterClose.apply(dialog); }); $(window).unbind('.dialog'); $(document).unbind('keyup', ejax._attachPopupShortcuts); }, _attachPopupShortcuts: function(e) { if (e.keyCode == 27) { ejax.closedlg(); } }, /* * Alert / alert: function( content, title, width, height ) { var COM_EASYBLOG_OK = ejax.string('COM_EASYBLOG_OK'); var dialogActions = '<div class="dialog-actions"><input type="button" value="' + COM_EASYBLOG_OK + '" class="button" id="edialog-cancel" name="edialog-cancel" onclick="ejax.closedlg();" /></div>'; var options = { title: title, content: content + dialogActions, width: width, height: height } ejax._showPopup( options ); }, /* * Private function * * Generate dialog and popup dialog */ _showPopup: function( options ){ var defaultOptions = { width: '500', height: 'auto', type: 'dialog', beforeDisplay: function(){}, afterDisplay: function(){}, afterClose: function(){} } var options = $.extend({}, defaultOptions, options); var dialogOverlay = $('#eblog-overlay'); if (dialogOverlay.length < 1) { dialogOverlay = '<div id="eblog-overlay"></div>'; dialogOverlay = $(dialogOverlay).appendTo('body'); dialogOverlay.click(function() { ejax.closedlg(); }); } var dialog = $('#eblog-dialog'); if (dialog.length < 1) { dialogTemplate = '<div id="eblog-dialog">'; dialogTemplate += ' <div class="dialog">'; dialogTemplate += ' <div class="dialog-wrap">'; dialogTemplate += ' <div class="dialog-top">'; dialogTemplate += ' <h3></h3>'; dialogTemplate += ' <a href="javascript:void(0);" onclick="ejax.closedlg();" class="closeme">Close</a>'; dialogTemplate += ' </div>'; dialogTemplate += ' <div class="dialog-middle clearfix">'; dialogTemplate += ' <div class="dialog-middle-content"></div>'; dialogTemplate += ' </div>'; dialogTemplate += ' </div>'; dialogTemplate += ' </div>'; dialogTemplate += '</div>'; dialog = $(dialogTemplate).appendTo('body'); } // Store dialog options dialog .data('options', options); var dialogTitle = dialog.find('.dialog-top h3'); options.title = options.title != null ? options.title : ' '; dialogTitle.html(unescape(options.title)); var dialogContent = $('#eblog-dialog .dialog-middle-content'); dialogContent .css({ width : (options.width=='auto') ? 'auto' : parseInt(options.width), height: (options.height=='auto') ? 'auto' : parseInt(options.height) }) .html(options.content); options.beforeDisplay.apply(dialog); var positionDialog = function() { dialog .css({ top: 0, left: 0 }) .position({ my: 'center', at: 'center', of: window }); dialogOverlay .css({ width: $(document).width(), height: $(document).height() }) .show(); }; dialog .show(0, function() { positionDialog(); var positionDelay; $(window) .bind('resize.dialog scroll.dialog', function() { clearTimeout(positionDelay); positionDelay = setTimeout(positionDialog, 50); }); }); dialog.fadeOut(0, function() { dialog.fadeIn(function() { options.afterDisplay.apply(dialog); }); }); $('#edialog-cancel, #edialog-submit').live('mouseup', function() { ejax.closedlg(); }); $(document).bind('keyup', ejax._attachPopupShortcuts); } } // module: end module.resolve(); });

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