Software: Apache. PHP/5.5.15 uname -a: Windows NT SVR-DMZ 6.1 build 7600 (Windows Server 2008 R2 Enterprise Edition) i586 SYSTEM Safe-mode: OFF (not secure) C:\phpMyAdmin1\js\ drwxrwxrwx |
Viewing file: Select action/file-type: /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * This object handles ajax requests for pages. It also * handles the reloading of the main menu and scripts. */ var AJAX = { /** * @var bool active Whether we are busy */ active: false, /** * @var object source The object whose event initialized the request */ source: null, /** * @var object xhr A reference to the ajax request that is currently running */ xhr: null, /** * @var function Callback to execute after a successful request * Used by PMA_commonFunctions from common.js */ _callback: function () {}, /** * @var bool _debug Makes noise in your Firebug console */ _debug: false, /** * @var object $msgbox A reference to a jQuery object that links to a message * box that is generated by PMA_ajaxShowMessage() */ $msgbox: null, /** * Given the filename of a script, returns a hash to be * used to refer to all the events registered for the file * * @param string key The filename for which to get the event name * * @return int */ hash: function (key) { /* http://burtleburtle.net/bob/hash/doobs.html#one */ key += ""; var len = key.length, hash = 0, i = 0; for (; i < len; ++i) { hash += key.charCodeAt(i); hash += (hash << 10); hash ^= (hash >> 6); } hash += (hash << 3); hash ^= (hash >> 11); hash += (hash << 15); return Math.abs(hash); }, /** * Registers an onload event for a file * * @param string file The filename for which to register the event * @param function func The function to execute when the page is ready * * @return self For chaining */ registerOnload: function (file, func) { var eventName = 'onload_' + AJAX.hash(file); $(document).bind(eventName, func); if (this._debug) { console.log( // no need to translate "Registered event " + eventName + " for file " + file ); } return this; }, /** * Registers a teardown event for a file. This is useful to execute functions * that unbind events for page elements that are about to be removed. * * @param string file The filename for which to register the event * @param function func The function to execute when * the page is about to be torn down * * @return self For chaining */ registerTeardown: function (file, func) { var eventName = 'teardown_' + AJAX.hash(file); $(document).bind(eventName, func); if (this._debug) { console.log( // no need to translate "Registered event " + eventName + " for file " + file ); } return this; }, /** * Called when a page has finished loading, once for every * file that registered to the onload event of that file. * * @param string file The filename for which to fire the event * * @return void */ fireOnload: function (file) { var eventName = 'onload_' + AJAX.hash(file); $(document).trigger(eventName); if (this._debug) { console.log( // no need to translate "Fired event " + eventName + " for file " + file ); } }, /** * Called just before a page is torn down, once for every * file that registered to the teardown event of that file. * * @param string file The filename for which to fire the event * * @return void */ fireTeardown: function (file) { var eventName = 'teardown_' + AJAX.hash(file); $(document).triggerHandler(eventName); if (this._debug) { console.log( // no need to translate "Fired event " + eventName + " for file " + file ); } }, /** * Event handler for clicks on links and form submissions * * @param object e Event data * * @return void */ requestHandler: function (event) { // In some cases we don't want to handle the request here and either // leave the browser deal with it natively (e.g: file download) // or leave an existing ajax event handler present elsewhere deal with it var href = $(this).attr('href'); if (typeof event != 'undefined' && (event.shiftKey || event.ctrlKey)) { return true; } else if ($(this).attr('target')) { return true; } else if ($(this).hasClass('ajax') || $(this).hasClass('disableAjax')) { return true; } else if (href && href.match(/^#/)) { return true; } else if (href && href.match(/^mailto/)) { return true; } else if ($(this).hasClass('ui-datepicker-next') || $(this).hasClass('ui-datepicker-prev') ) { return true; } if (typeof event != 'undefined') { event.preventDefault(); event.stopImmediatePropagation(); } if (AJAX.active === true) { // Cancel the old request if abortable, when the user requests // something else. Otherwise silently bail out, as there is already // a request well in progress. if (AJAX.xhr) { //In case of a link request, attempt aborting AJAX.xhr.abort(); if(AJAX.xhr.status === 0 && AJAX.xhr.statusText === 'abort') { //If aborted AJAX.$msgbox = PMA_ajaxShowMessage(PMA_messages.strAbortedRequest); AJAX.active = false; AJAX.xhr = null; } else { //If can't abort return false; } } else { //In case submitting a form, don't attempt aborting return false; } } AJAX.source = $(this); $('html, body').animate({scrollTop: 0}, 'fast'); var isLink = !! href || false; var url = isLink ? href : $(this).attr('action'); var params = 'ajax_request=true&ajax_page_request=true'; if (! isLink) { params += '&' + $(this).serialize(); } // Add a list of menu hashes that we have in the cache to the request params += AJAX.cache.menus.getRequestParam(); if (AJAX._debug) { console.log("Loading: " + url); // no need to translate } if (isLink) { AJAX.active = true; AJAX.$msgbox = PMA_ajaxShowMessage(); //Save reference for the new link request AJAX.xhr = $.get(url, params, AJAX.responseHandler); } else { /** * Manually fire the onsubmit event for the form, if any. * The event was saved in the jQuery data object by an onload * handler defined below. Workaround for bug #3583316 */ var onsubmit = $(this).data('onsubmit'); // Submit the request if there is no onsubmit handler // or if it returns a value that evaluates to true if (typeof onsubmit !== 'function' || onsubmit.apply(this, [event])) { AJAX.active = true; AJAX.$msgbox = PMA_ajaxShowMessage(); $.post(url, params, AJAX.responseHandler); } } }, /** * Called after the request that was initiated by this.requestHandler() * has completed successfully or with a caught error. For completely * failed requests or requests with uncaught errors, see the .ajaxError * handler at the bottom of this file. * * To refer to self use 'AJAX', instead of 'this' as this function * is called in the jQuery context. * * @param object e Event data * * @return void */ responseHandler: function (data) { if (data.success) { $table_clone = false; PMA_ajaxRemoveMessage(AJAX.$msgbox); if (data._redirect) { PMA_ajaxShowMessage(data._redirect, false); AJAX.active = false; AJAX.xhr = null; return; } AJAX.scriptHandler.reset(function () { if (data._reloadNavigation) { PMA_reloadNavigation(); } if (data._reloadQuerywindow) { var params = data._reloadQuerywindow; PMA_querywindow.reload( params.db, params.table, params.sql_query ); } if (data._focusQuerywindow) { PMA_querywindow.focus( data._focusQuerywindow ); } if (data._title) { $('title').replaceWith(data._title); } if (data._menu) { AJAX.cache.menus.replace(data._menu); AJAX.cache.menus.add(data._menuHash, data._menu); } else if (data._menuHash) { AJAX.cache.menus.replace(AJAX.cache.menus.get(data._menuHash)); } // Remove all containers that may have // been added outside of #page_content $('body').children() .not('#pma_navigation') .not('#floating_menubar') .not('#goto_pagetop') .not('#page_content') .not('#selflink') .not('#session_debug') .not('#pma_header') .not('#pma_footer') .not('#pma_demo') .remove(); // Replace #page_content with new content if (data.message && data.message.length > 0) { $('#page_content').replaceWith( "<div id='page_content'>" + data.message + "</div>" ); PMA_highlightSQL($('#page_content')); checkNumberOfFields(); } if (data._selflink) { var source = data._selflink.split('?')[0]; //Check for faulty links if (source == "import.php") { var replacement = "tbl_sql.php"; data._selflink = data._selflink.replace(source,replacement); } $('#selflink > a').attr('href', data._selflink); } if (data._scripts) { AJAX.scriptHandler.load(data._scripts, data._params.token); } if (data._selflink && data._scripts && data._menuHash && data._params) { AJAX.cache.add( data._selflink, data._scripts, data._menuHash, data._params, AJAX.source.attr('rel') ); } if (data._params) { PMA_commonParams.setAll(data._params); } if (data._displayMessage) { $('#page_content').prepend(data._displayMessage); PMA_highlightSQL($('#page_content')); } $('#pma_errors').remove(); if (data._errors) { $('<div/>', {id : 'pma_errors'}) .insertAfter('#selflink') .append(data._errors); } if (typeof AJAX._callback === 'function') { AJAX._callback.call(); } AJAX._callback = function () {}; }); } else { PMA_ajaxShowMessage(data.error, false); AJAX.active = false; AJAX.xhr = null; if (parseInt(data.redirect_flag) == 1) { // add one more GET param to display session expiry msg window.location.href += '&session_expired=1'; window.location.reload(); } if (data.fieldWithError) { $(':input.error').removeClass("error"); $('#'+data.fieldWithError).addClass("error"); } } }, /** * This object is in charge of downloading scripts, * keeping track of what's downloaded and firing * the onload event for them when the page is ready. */ scriptHandler: { /** * @var array _scripts The list of files already downloaded */ _scripts: [], /** * @var array _scriptsToBeLoaded The list of files that * need to be downloaded */ _scriptsToBeLoaded: [], /** * @var array _scriptsToBeFired The list of files for which * to fire the onload event */ _scriptsToBeFired: [], /** * Records that a file has been downloaded * * @param string file The filename * @param string fire Whether this file will be registering * onload/teardown events * * @return self For chaining */ add: function (file, fire) { this._scripts.push(file); if (fire) { // Record whether to fire any events for the file // This is necessary to correctly tear down the initial page this._scriptsToBeFired.push(file); } return this; }, /** * Download a list of js files in one request * * @param array files An array of filenames and flags * * @return void */ load: function (files, token) { var self = this; self._scriptsToBeLoaded = []; self._scriptsToBeFired = []; for (var i in files) { self._scriptsToBeLoaded.push(files[i].name); if (files[i].fire) { self._scriptsToBeFired.push(files[i].name); } } // Generate a request string var request = []; var needRequest = false; for (var index in self._scriptsToBeLoaded) { var script = self._scriptsToBeLoaded[index]; // Only for scripts that we don't already have if ($.inArray(script, self._scripts) == -1) { needRequest = true; this.add(script); request.push("scripts[]=" + script); } } request.push("token=" + token); request.push("call_done=1"); // Download the composite js file, if necessary if (needRequest) { this.appendScript("js/get_scripts.js.php?" + request.join("&")); } else { self.done(); } }, /** * Called whenever all files are loaded * * @return void */ done: function () { if (typeof ErrorReport !== 'undefined') { ErrorReport.wrap_global_functions(); } for (var i in this._scriptsToBeFired) { AJAX.fireOnload(this._scriptsToBeFired[i]); } AJAX.active = false; }, /** * Appends a script element to the head to load the scripts * * @return void */ appendScript: function (url) { var head = document.head || document.getElementsByTagName('head')[0]; var script = document.createElement('script'); script.type = 'text/javascript'; script.src = url; head.appendChild(script); }, /** * Fires all the teardown event handlers for the current page * and rebinds all forms and links to the request handler * * @param function callback The callback to call after resetting * * @return void */ reset: function (callback) { for (var i in this._scriptsToBeFired) { AJAX.fireTeardown(this._scriptsToBeFired[i]); } this._scriptsToBeFired = []; /** * Re-attach a generic event handler to clicks * on pages and submissions of forms */ $('a').die('click').live('click', AJAX.requestHandler); $('form').die('submit').live('submit', AJAX.requestHandler); AJAX.cache.update(); callback(); } } }; /** * Here we register a function that will remove the onsubmit event from all * forms that will be handled by the generic page loader. We then save this * event handler in the "jQuery data", so that we can fire it up later in * AJAX.requestHandler(). * * See bug #3583316 */ AJAX.registerOnload('functions.js', function () { // Registering the onload event for functions.js // ensures that it will be fired for all pages $('form').not('.ajax').not('.disableAjax').each(function () { if ($(this).attr('onsubmit')) { $(this).data('onsubmit', this.onsubmit).attr('onsubmit', ''); } }); }); /** * An implementation of a client-side page cache. * This object also uses the cache to provide a simple microhistory, * that is the ability to use the back and forward buttons in the browser */ AJAX.cache = { /** * @var int The maximum number of pages to keep in the cache */ MAX: 6, /** * @var object A hash used to prime the cache with data about the initially * loaded page. This is set in the footer, and then loaded * by a double-queued event further down this file. */ primer: {}, /** * @var array Stores the content of the cached pages */ pages: [], /** * @var int The index of the currently loaded page * This is used to know at which point in the history we are */ current: 0, /** * Saves a new page in the cache * * @param string hash The hash part of the url that is being loaded * @param array scripts A list of scripts that is requured for the page * @param string menu A hash that links to a menu stored * in a dedicated menu cache * @param array params A list of parameters used by PMA_commonParams() * @param string rel A relationship to the current page: * 'samepage': Forces the response to be treated as * the same page as the current one * 'newpage': Forces the response to be treated as * a new page * undefined: Default behaviour, 'samepage' if the * selflinks of the two pages are the same. * 'newpage' otherwise * * @return void */ add: function (hash, scripts, menu, params, rel) { if (this.pages.length > AJAX.cache.MAX) { // Trim the cache, to the maximum number of allowed entries // This way we will have a cached menu for every page for (var i = 0; i < this.pages.length - this.MAX; i++) { delete this.pages[i]; } } while (this.current < this.pages.length) { // trim the cache if we went back in the history // and are now going forward again this.pages.pop(); } if (rel === 'newpage' || ( typeof rel === 'undefined' && ( typeof this.pages[this.current - 1] === 'undefined' || this.pages[this.current - 1].hash !== hash ) ) ) { this.pages.push({ hash: hash, content: $('#page_content').html(), scripts: scripts, selflink: $('#selflink').html(), menu: menu, params: params }); AJAX.setUrlHash(this.current, hash); this.current++; } }, /** * Restores a page from the cache. This is called when the hash * part of the url changes and it's structure appears to be valid * * @param string index Which page from the history to load * * @return void */ navigate: function (index) { if (typeof this.pages[index] === 'undefined' || typeof this.pages[index].content === 'undefined' || typeof this.pages[index].menu === 'undefined' || ! AJAX.cache.menus.get(this.pages[index].menu) ) { PMA_ajaxShowMessage( '<div class="error">' + PMA_messages.strInvalidPage + '</div>', false ); } else { AJAX.active = true; var record = this.pages[index]; AJAX.scriptHandler.reset(function () { $('#page_content').html(record.content); $('#selflink').html(record.selflink); AJAX.cache.menus.replace(AJAX.cache.menus.get(record.menu)); PMA_commonParams.setAll(record.params); AJAX.scriptHandler.load(record.scripts, record.params ? record.params.token : PMA_commonParams.get('token')); AJAX.cache.current = ++index; }); } }, /** * Resaves the content of the current page in the cache. * Necessary in order not to show the user some outdated version of the page * * @return void */ update: function () { var page = this.pages[this.current - 1]; if (page) { page.content = $('#page_content').html(); } }, /** * @var object Dedicated menu cache */ menus: { /** * Returns the number of items in an associative array * * @return int */ size: function (obj) { var size = 0, key; for (key in obj) { if (obj.hasOwnProperty(key)) { size++; } } return size; }, /** * @var hash Stores the content of the cached menus */ data: {}, /** * Saves a new menu in the cache * * @param string hash The hash (trimmed md5) of the menu to be saved * @param string content The HTML code of the menu to be saved * * @return void */ add: function (hash, content) { if (this.size(this.data) > AJAX.cache.MAX) { // when the cache grows, we remove the oldest entry var oldest, key, init = 0; for (var i in this.data) { if (this.data[i]) { if (! init || this.data[i].timestamp.getTime() < oldest.getTime()) { oldest = this.data[i].timestamp; key = i; init = 1; } } } delete this.data[key]; } this.data[hash] = { content: content, timestamp: new Date() }; }, /** * Retrieves a menu given its hash * * @param string hash The hash of the menu to be retrieved * * @return string */ get: function (hash) { if (this.data[hash]) { return this.data[hash].content; } else { // This should never happen as long as the number of stored menus // is larger or equal to the number of pages in the page cache return ''; } }, /** * Prepares part of the parameter string used during page requests, * this is necessary to tell the server which menus we have in the cache * * @return string */ getRequestParam: function () { var param = ''; var menuHashes = []; for (var i in this.data) { menuHashes.push(i); } var menuHashesParam = menuHashes.join('-'); if (menuHashesParam) { param = '&menuHashes=' + menuHashesParam; } return param; }, /** * Replaces the menu with new content * * @return void */ replace: function (content) { $('#floating_menubar').html(content) // Remove duplicate wrapper // TODO: don't send it in the response .children().first().remove(); $('#topmenu').menuResizer(PMA_mainMenuResizerCallback); } } }; /** * URL hash management module. * Allows direct bookmarking and microhistory. */ AJAX.setUrlHash = (function (jQuery, window) { "use strict"; /** * Indictaes whether we have already completed * the initialisation of the hash * * @access private */ var ready = false; /** * Stores a hash that needed to be set when we were not ready * * @access private */ var savedHash = ""; /** * Flag to indicate if the change of hash was triggered * by a user pressing the back/forward button or if * the change was triggered internally * * @access private */ var userChange = true; // Fix favicon disappearing in Firefox when setting location.hash function resetFavicon() { if (jQuery.browser.mozilla) { // Move the link tags for the favicon to the bottom // of the head element to force a reload of the favicon $('head > link[href=favicon\\.ico]').appendTo('head'); } } /** * Sets the hash part of the URL * * @access public */ function setUrlHash(index, hash) { /* * Known problem: * Setting hash leads to reload in webkit: * http://www.quirksmode.org/bugreports/archives/2005/05/Safari_13_visual_anomaly_with_windowlocationhref.html * * so we expect that users are not running an ancient Safari version */ userChange = false; if (ready) { window.location.hash = "PMAURL-" + index + ":" + hash; resetFavicon(); } else { savedHash = "PMAURL-" + index + ":" + hash; } } /** * Start initialisation */ if (window.location.hash.substring(0, 8) == '#PMAURL-') { // We have a valid hash, let's redirect the user // to the page that it's pointing to window.location = window.location.hash.substring( window.location.hash.indexOf(':') + 1 ); } else { // We don't have a valid hash, so we'll set it up // when the page finishes loading jQuery(function () { /* Check if we should set URL */ if (savedHash !== "") { window.location.hash = savedHash; savedHash = ""; resetFavicon(); } // Indicate that we're done initialising ready = true; }); } /** * Register an event handler for when the url hash changes */ jQuery(function () { jQuery(window).hashchange(function () { if (userChange === false) { // Ignore internally triggered hash changes userChange = true; } else if (/^#PMAURL-\d+:/.test(window.location.hash)) { // Change page if the hash changed was triggered by a user action var index = window.location.hash.substring( 8, window.location.hash.indexOf(':') ); AJAX.cache.navigate(index); } }); }); /** * Publicly exposes a reference to the otherwise private setUrlHash function */ return setUrlHash; })(jQuery, window); /** * Page load event handler */ $(function () { // Add the menu from the initial page into the cache // The cache primer is set by the footer class if (AJAX.cache.primer.url) { AJAX.cache.menus.add( AJAX.cache.primer.menuHash, $('<div></div>') .append('<div></div>') .append($('#serverinfo').clone()) .append($('#topmenucontainer').clone()) .html() ); } $(function () { // Queue up this event twice to make sure that we get a copy // of the page after all other onload events have been fired if (AJAX.cache.primer.url) { AJAX.cache.add( AJAX.cache.primer.url, AJAX.cache.primer.scripts, AJAX.cache.primer.menuHash ); } }); }); /** * Attach a generic event handler to clicks * on pages and submissions of forms */ $('a').live('click', AJAX.requestHandler); $('form').live('submit', AJAX.requestHandler); /** * Gracefully handle fatal server errors * (e.g: 500 - Internal server error) */ $(document).ajaxError(function (event, request, settings) { if (request.status !== 0) { // Don't handle aborted requests var errorCode = $.sprintf(PMA_messages.strErrorCode, request.status); var errorText = $.sprintf(PMA_messages.strErrorText, request.statusText); PMA_ajaxShowMessage( '<div class="error">' + PMA_messages.strErrorProcessingRequest + '<div>' + errorCode + '</div>' + '<div>' + errorText + '</div>' + '</div>', false ); AJAX.active = false; } }); |
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