/* * File name: ScriptAndStyleLoader.js * Created by: Yossi Shalev of YOSHI Dynamic Design studio. * Contact: yossi@yoshi.co.il, http://www.yoshi.co.il * Last Modified: 07/01/2008 * * This page initialize all JavaScript settings and function for siteDisplay * * Depandencies: * None * * Attributes: * rootPath - the path of the root folder * loadedStyleSheets - an array that hold's the indication which Style sheet was loaded * * Function List: */ /********************************************** * Style Sheet Dynamic loading ***********************************************/ //inicators for start and end of stylesheets list var SHEETS_START = ""; var SHEETS_START_LEN = SHEETS_START.length; var SHEETS_END_LEN = SHEETS_END.length; //an associative array that hold's the indication which Style sheet was loaded var loadedStyleSheets = {}; //the default templates loadedStyleSheets.MainMenu = true; loadedStyleSheets.SiteTemplate = true; //get the list of style sheets to load from //Start Indicator : function get_styleSheets( content ){ //get the start position of the StyleSheets area var start = content.search( SHEETS_START ); var end; //the end of the tyle sheet string var stripedContent = content; //the returned content after stiping the style sheet area var styleSheetsNames = ""; //list of styles to load //if there is a style sheet area in the content if( start != -1 ){ //search for the end of the stylesheets list ( -1 because there is space beetwen the list and the End indicator ) end = content.search( SHEETS_END ); //strip the stylesheets area content stripedContent = content.substr( 0, start ) + content.substr( (end + SHEETS_END_LEN ), ( content.length - (end + SHEETS_END_LEN) ) ); //get the list of style sheets styleSheetNames = content.substring( ( start + SHEETS_START_LEN ), end ); //alert( "Loading StyleSheet " + styleSheetNames); //load the list of style sheets load_styleSheets( styleSheetNames ); } //alert( stripedContent ); return stripedContent; } //loading Style Sheet at run time //insert an new sheet to the function load_styleSheets( sheetNames ){ if( !sheetNames ){ return; } var sheets; sheets = sheetNames.split( "," ); for( sheet = 0; sheet < sheets.length; sheet++ ){ sheetName = sheets[ sheet ]; styleLoaded = eval("loadedStyleSheets." + sheetName ); if( ! styleLoaded ) { //alert( "Loading " + sheetName + " StyleSheet" ); sheetPath = rootPath + "StyleSheets/" + sheetName + ".css"; /* if( doc.createStyleSheet ){ //IE doc.createStyleSheet( sheetPath ); } else { // Others var head = doc.getElementsByTagName("head")[0]; head.innerHTML += ""; alert( head.innerHTML ); } */ var headID = document.getElementsByTagName("head")[0]; var cssNode = document.createElement('link');cssNode.type = 'text/css'; cssNode.rel = 'stylesheet'; cssNode.href = sheetPath; cssNode.media = 'screen'; headID.appendChild(cssNode); eval("loadedStyleSheets." + sheetName + " = true;" ); } } return; } /********************************************** * Java Script Dynamic loading ***********************************************/ //inicators for start and end of stylesheets list var SCRIPTS_START = ""; var SCRIPTS_START_LEN = SCRIPTS_START.length; var SCRIPTS_END_LEN = SCRIPTS_END.length; //an associative array that hold's the indication which Style sheet was loaded var loadedScripts = {}; //the default templates loadedScripts.Animation = true; //loadedScripts.SiteTemplate = true; //get the list of scripts to load from //Start Indicator : function get_scripts( content ){ //get the start position of the Scripts area var start = content.search( SCRIPTS_START ); var end; //the end of the tyle sheet string var stripedContent = content; //the returned content after stiping the script area var scriptsNames = ""; //list of scripts to load //if there is a scripts area in the content if( start != -1 ){ //search for the end of the scripts list ( -1 because there is space beetwen the list and the End indicator ) end = content.search( SCRIPTS_END ); //strip the scriptss area content stripedContent = content.substr( 0, start ) + content.substr( (end + SCRIPTS_END_LEN ), ( content.length - (end + SCRIPTS_END_LEN) ) ); //get the list of scripts scriptsNames = content.substring( ( start + SCRIPTS_START_LEN ), end ); //load the list of scripts load_scripts( scriptsNames ); } return stripedContent; } //loading Java Scripts at run time //insert an new script to the function load_scripts( scriptNames ){ if( !scriptNames ){ return; } var scripts; scripts = scriptNames.split( "," ); for( script = 0; script < scripts.length; script++ ){ scriptName = scripts[ script ]; scriptLoaded = eval("loadedScripts." + scriptName ); if( ! scriptLoaded ) { //alert( "Loading " + scriptName + " Script" ); scriptPath = rootPath + "Scripts/" + scriptName + ".js"; //ponter to the document head element var head = doc.getElementsByTagName('head').item(0); //new script object var js = document.createElement('script'); //set the new script attributes js.setAttribute('language', 'javascript'); js.setAttribute('type', 'text/javascript'); js.setAttribute('src', scriptPath ); //append the new script to the head head.appendChild(js); eval("loadedScripts." + scriptName + " = true;" ); } } return; } /********************************************** * Java Script Dynamic Executing ***********************************************/ //inicators for start and end of stylesheets list var SCRIPT_START = ""; var SCRIPT_START_LEN = SCRIPT_START.length; var SCRIPT_END_LEN = SCRIPT_END.length; //execute all the script tags in the content function execute_scripts( content ){ var stripedContent = content; //the returned content after stiping the script area var start; var end; do { //get the start position of the Scripts area start = stripedContent.search( SCRIPT_START ); scriptLines = ""; //list of scripts to load //if there is a scripts area in the content if( start != -1 ){ end = stripedContent.search( SCRIPT_END ); //get the list of scripts scriptLines = stripedContent.substring( ( start + SCRIPT_START_LEN ), end ); //strip the scriptss area content stripedContent = stripedContent.substr( 0, start ) + stripedContent.substr( (end + SCRIPT_END_LEN ), ( stripedContent.length - (end + SCRIPT_END_LEN) ) ); //alert( scriptLines ); //run the script lines eval( scriptLines ); } } while( start != -1 ); return stripedContent; }