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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