mirror of
https://github.com/cytopia/devilbox.git
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798 lines
29 KiB
JavaScript
798 lines
29 KiB
JavaScript
/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* This object handles ajax requests for pages. It also
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* handles the reloading of the main menu and scripts.
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*/
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var AJAX = {
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/**
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* @var bool active Whether we are busy
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*/
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active: false,
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/**
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* @var object source The object whose event initialized the request
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*/
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source: null,
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/**
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* @var object xhr A reference to the ajax request that is currently running
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*/
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xhr: null,
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/**
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* @var object lockedTargets, list of locked targets
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*/
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lockedTargets: {},
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/**
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* @var function Callback to execute after a successful request
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* Used by PMA_commonFunctions from common.js
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*/
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_callback: function () {},
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/**
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* @var bool _debug Makes noise in your Firebug console
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*/
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_debug: false,
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/**
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* @var object $msgbox A reference to a jQuery object that links to a message
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* box that is generated by PMA_ajaxShowMessage()
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*/
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$msgbox: null,
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/**
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* Given the filename of a script, returns a hash to be
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* used to refer to all the events registered for the file
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*
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* @param key string key The filename for which to get the event name
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*
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* @return int
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*/
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hash: function (key) {
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/* http://burtleburtle.net/bob/hash/doobs.html#one */
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key += "";
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var len = key.length, hash = 0, i = 0;
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for (; i < len; ++i) {
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hash += key.charCodeAt(i);
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hash += (hash << 10);
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hash ^= (hash >> 6);
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}
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hash += (hash << 3);
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hash ^= (hash >> 11);
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hash += (hash << 15);
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return Math.abs(hash);
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},
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/**
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* Registers an onload event for a file
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*
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* @param file string file The filename for which to register the event
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* @param func function func The function to execute when the page is ready
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*
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* @return self For chaining
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*/
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registerOnload: function (file, func) {
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var eventName = 'onload_' + AJAX.hash(file);
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$(document).bind(eventName, func);
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if (this._debug) {
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console.log(
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// no need to translate
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"Registered event " + eventName + " for file " + file
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);
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}
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return this;
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},
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/**
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* Registers a teardown event for a file. This is useful to execute functions
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* that unbind events for page elements that are about to be removed.
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*
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* @param string file The filename for which to register the event
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* @param function func The function to execute when
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* the page is about to be torn down
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*
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* @return self For chaining
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*/
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registerTeardown: function (file, func) {
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var eventName = 'teardown_' + AJAX.hash(file);
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$(document).bind(eventName, func);
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if (this._debug) {
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console.log(
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// no need to translate
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"Registered event " + eventName + " for file " + file
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);
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}
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return this;
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},
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/**
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* Called when a page has finished loading, once for every
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* file that registered to the onload event of that file.
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*
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* @param string file The filename for which to fire the event
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*
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* @return void
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*/
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fireOnload: function (file) {
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var eventName = 'onload_' + AJAX.hash(file);
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$(document).trigger(eventName);
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if (this._debug) {
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console.log(
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// no need to translate
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"Fired event " + eventName + " for file " + file
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);
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}
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},
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/**
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* Called just before a page is torn down, once for every
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* file that registered to the teardown event of that file.
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*
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* @param string file The filename for which to fire the event
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*
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* @return void
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*/
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fireTeardown: function (file) {
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var eventName = 'teardown_' + AJAX.hash(file);
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$(document).triggerHandler(eventName);
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if (this._debug) {
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console.log(
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// no need to translate
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"Fired event " + eventName + " for file " + file
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);
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}
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},
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/**
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* function to handle lock page mechanism
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*
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* @param event the event object
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*
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* @return void
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*/
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lockPageHandler: function(event) {
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//Don't lock on enter.
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if (0 === event.charCode) {
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return;
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}
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var lockId = $(this).data('lock-id');
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if (typeof lockId === 'undefined') {
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return;
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}
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/*
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* @todo Fix Code mirror does not give correct full value (query)
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* in textarea, it returns only the change in content.
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*/
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var newHash = null;
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if (event.data.value == 1) {
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newHash = AJAX.hash($(this).val());
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} else {
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newHash = AJAX.hash($(this).is(":checked"));
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}
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var oldHash = $(this).data('val-hash');
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// Set lock if old value != new value
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// otherwise release lock
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if (oldHash !== newHash) {
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AJAX.lockedTargets[lockId] = true;
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} else {
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delete AJAX.lockedTargets[lockId];
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}
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// Show lock icon if locked targets is not empty.
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// otherwise remove lock icon
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if (!jQuery.isEmptyObject(AJAX.lockedTargets)) {
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$('#lock_page_icon').html(PMA_getImage('s_lock.png',PMA_messages.strLockToolTip).toString());
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} else {
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$('#lock_page_icon').html('');
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}
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},
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/**
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* resets the lock
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*
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* @return void
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*/
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resetLock: function() {
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AJAX.lockedTargets = {};
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$('#lock_page_icon').html('');
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},
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handleMenu: {
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replace: function (content) {
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$('#floating_menubar').html(content)
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// Remove duplicate wrapper
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// TODO: don't send it in the response
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.children().first().remove();
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$('#topmenu').menuResizer(PMA_mainMenuResizerCallback);
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}
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},
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/**
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* Event handler for clicks on links and form submissions
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*
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* @param object e Event data
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*
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* @return void
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*/
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requestHandler: function (event) {
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// In some cases we don't want to handle the request here and either
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// leave the browser deal with it natively (e.g: file download)
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// or leave an existing ajax event handler present elsewhere deal with it
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var href = $(this).attr('href');
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if (typeof event != 'undefined' && (event.shiftKey || event.ctrlKey)) {
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return true;
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} else if ($(this).attr('target')) {
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return true;
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} else if ($(this).hasClass('ajax') || $(this).hasClass('disableAjax')) {
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//reset the lockedTargets object, as specified AJAX operation has finished
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AJAX.resetLock();
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return true;
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} else if (href && href.match(/^#/)) {
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return true;
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} else if (href && href.match(/^mailto/)) {
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return true;
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} else if ($(this).hasClass('ui-datepicker-next') ||
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$(this).hasClass('ui-datepicker-prev')
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) {
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return true;
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}
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if (typeof event != 'undefined') {
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event.preventDefault();
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event.stopImmediatePropagation();
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}
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//triggers a confirm dialog if:
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//the user has performed some operations on loaded page
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//the user clicks on some link, (won't trigger for buttons)
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//the click event is not triggered by script
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if (typeof event !== 'undefined' && event.type === 'click' &&
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event.isTrigger !== true &&
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!jQuery.isEmptyObject(AJAX.lockedTargets) &&
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confirm(PMA_messages.strConfirmNavigation) === false
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) {
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return false;
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}
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AJAX.resetLock();
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var isLink = !! href || false;
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var previousLinkAborted = false;
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if (AJAX.active === true) {
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// Cancel the old request if abortable, when the user requests
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// something else. Otherwise silently bail out, as there is already
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// a request well in progress.
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if (AJAX.xhr) {
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//In case of a link request, attempt aborting
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AJAX.xhr.abort();
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if(AJAX.xhr.status === 0 && AJAX.xhr.statusText === 'abort') {
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//If aborted
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AJAX.$msgbox = PMA_ajaxShowMessage(PMA_messages.strAbortedRequest);
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AJAX.active = false;
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AJAX.xhr = null;
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previousLinkAborted = true;
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} else {
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//If can't abort
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return false;
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}
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} else {
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//In case submitting a form, don't attempt aborting
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return false;
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}
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}
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AJAX.source = $(this);
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$('html, body').animate({scrollTop: 0}, 'fast');
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var url = isLink ? href : $(this).attr('action');
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var params = 'ajax_request=true&ajax_page_request=true';
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if (! isLink) {
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params += '&' + $(this).serialize();
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}
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if (! (history && history.pushState)) {
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// Add a list of menu hashes that we have in the cache to the request
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params += PMA_MicroHistory.menus.getRequestParam();
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}
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if (AJAX._debug) {
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console.log("Loading: " + url); // no need to translate
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}
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if (isLink) {
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AJAX.active = true;
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AJAX.$msgbox = PMA_ajaxShowMessage();
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//Save reference for the new link request
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AJAX.xhr = $.get(url, params, AJAX.responseHandler);
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if (history && history.pushState) {
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var state = {
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url : href
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};
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if (previousLinkAborted) {
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//hack: there is already an aborted entry on stack
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//so just modify the aborted one
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history.replaceState(state, null, href);
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} else {
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history.pushState(state, null, href);
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}
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}
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} else {
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/**
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* Manually fire the onsubmit event for the form, if any.
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* The event was saved in the jQuery data object by an onload
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* handler defined below. Workaround for bug #3583316
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*/
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var onsubmit = $(this).data('onsubmit');
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// Submit the request if there is no onsubmit handler
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// or if it returns a value that evaluates to true
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if (typeof onsubmit !== 'function' || onsubmit.apply(this, [event])) {
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AJAX.active = true;
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AJAX.$msgbox = PMA_ajaxShowMessage();
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$.post(url, params, AJAX.responseHandler);
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}
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}
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},
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/**
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* Called after the request that was initiated by this.requestHandler()
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* has completed successfully or with a caught error. For completely
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* failed requests or requests with uncaught errors, see the .ajaxError
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* handler at the bottom of this file.
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*
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* To refer to self use 'AJAX', instead of 'this' as this function
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* is called in the jQuery context.
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*
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* @param object e Event data
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*
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* @return void
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*/
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responseHandler: function (data) {
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if (typeof data === 'undefined' || data === null) {
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return;
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}
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if (typeof data.success != 'undefined' && data.success) {
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$('html, body').animate({scrollTop: 0}, 'fast');
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PMA_ajaxRemoveMessage(AJAX.$msgbox);
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if (data._redirect) {
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PMA_ajaxShowMessage(data._redirect, false);
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AJAX.active = false;
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AJAX.xhr = null;
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return;
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}
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AJAX.scriptHandler.reset(function () {
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if (data._reloadNavigation) {
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PMA_reloadNavigation();
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}
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if (data._title) {
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$('title').replaceWith(data._title);
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}
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if (data._menu) {
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if (history && history.pushState) {
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var state = {
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url : data._selflink,
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menu : data._menu
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};
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history.replaceState(state, null);
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AJAX.handleMenu.replace(data._menu);
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} else {
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PMA_MicroHistory.menus.replace(data._menu);
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PMA_MicroHistory.menus.add(data._menuHash, data._menu);
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}
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} else if (data._menuHash) {
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if (! (history && history.pushState)) {
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PMA_MicroHistory.menus.replace(PMA_MicroHistory.menus.get(data._menuHash));
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}
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}
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if (data._disableNaviSettings) {
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PMA_disableNaviSettings();
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}
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else {
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PMA_ensureNaviSettings(data._selflink);
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}
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// Remove all containers that may have
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// been added outside of #page_content
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$('body').children()
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.not('#pma_navigation')
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.not('#floating_menubar')
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.not('#page_nav_icons')
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.not('#page_content')
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.not('#selflink')
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.not('#pma_header')
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.not('#pma_footer')
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.not('#pma_demo')
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.not('#pma_console_container')
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.not('#prefs_autoload')
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.remove();
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// Replace #page_content with new content
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if (data.message && data.message.length > 0) {
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$('#page_content').replaceWith(
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"<div id='page_content'>" + data.message + "</div>"
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);
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PMA_highlightSQL($('#page_content'));
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checkNumberOfFields();
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}
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if (data._selflink) {
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var source = data._selflink.split('?')[0];
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//Check for faulty links
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$selflink_replace = {
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"import.php": "tbl_sql.php",
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"tbl_chart.php": "sql.php",
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"tbl_gis_visualization.php": "sql.php"
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};
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if ($selflink_replace[source]) {
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var replacement = $selflink_replace[source];
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data._selflink = data._selflink.replace(source, replacement);
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}
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$('#selflink').find('> a').attr('href', data._selflink);
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}
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if (data._params) {
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PMA_commonParams.setAll(data._params);
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}
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if (data._scripts) {
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AJAX.scriptHandler.load(data._scripts);
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}
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if (data._selflink && data._scripts && data._menuHash && data._params) {
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if (! (history && history.pushState)) {
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PMA_MicroHistory.add(
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data._selflink,
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data._scripts,
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data._menuHash,
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data._params,
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AJAX.source.attr('rel')
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);
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}
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}
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if (data._displayMessage) {
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$('#page_content').prepend(data._displayMessage);
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PMA_highlightSQL($('#page_content'));
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}
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$('#pma_errors').remove();
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var msg = '';
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if(data._errSubmitMsg){
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msg = data._errSubmitMsg;
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}
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if (data._errors) {
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$('<div/>', {id : 'pma_errors', class : 'clearfloat'})
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.insertAfter('#selflink')
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.append(data._errors);
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// bind for php error reporting forms (bottom)
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$("#pma_ignore_errors_bottom").bind("click", function(e) {
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e.preventDefault();
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PMA_ignorePhpErrors();
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});
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$("#pma_ignore_all_errors_bottom").bind("click", function(e) {
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e.preventDefault();
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PMA_ignorePhpErrors(false);
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});
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// In case of 'sendErrorReport'='always'
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// submit the hidden error reporting form.
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if (data._sendErrorAlways == '1' &&
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data._stopErrorReportLoop != '1'
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) {
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$("#pma_report_errors_form").submit();
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PMA_ajaxShowMessage(PMA_messages.phpErrorsBeingSubmitted, false);
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$('html, body').animate({scrollTop:$(document).height()}, 'slow');
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} else if (data._promptPhpErrors) {
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// otherwise just prompt user if it is set so.
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msg = msg + PMA_messages.phpErrorsFound;
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// scroll to bottom where all the errors are displayed.
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$('html, body').animate({scrollTop:$(document).height()}, 'slow');
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}
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}
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PMA_ajaxShowMessage(msg, false);
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// bind for php error reporting forms (popup)
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$("#pma_ignore_errors_popup").bind("click", function() {
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PMA_ignorePhpErrors();
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});
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$("#pma_ignore_all_errors_popup").bind("click", function() {
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PMA_ignorePhpErrors(false);
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});
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if (typeof AJAX._callback === 'function') {
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AJAX._callback.call();
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}
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AJAX._callback = function () {};
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});
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} else {
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PMA_ajaxShowMessage(data.error, false);
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AJAX.active = false;
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AJAX.xhr = null;
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PMA_handleRedirectAndReload(data);
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if (data.fieldWithError) {
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$(':input.error').removeClass("error");
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$('#'+data.fieldWithError).addClass("error");
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}
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}
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},
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/**
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* This object is in charge of downloading scripts,
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* keeping track of what's downloaded and firing
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* the onload event for them when the page is ready.
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*/
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scriptHandler: {
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/**
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* @var array _scripts The list of files already downloaded
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*/
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_scripts: [],
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/**
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* @var string _scriptsVersion version of phpMyAdmin from which the
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* scripts have been loaded
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*/
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_scriptsVersion: null,
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/**
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* @var array _scriptsToBeLoaded The list of files that
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* need to be downloaded
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*/
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_scriptsToBeLoaded: [],
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/**
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* @var array _scriptsToBeFired The list of files for which
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* to fire the onload event
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*/
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_scriptsToBeFired: [],
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/**
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* Records that a file has been downloaded
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*
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* @param string file The filename
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* @param string fire Whether this file will be registering
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* onload/teardown events
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*
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* @return self For chaining
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*/
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add: function (file, fire) {
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this._scripts.push(file);
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if (fire) {
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// 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, callback) {
|
|
var self = this;
|
|
// Clear loaded scripts if they are from another version of phpMyAdmin.
|
|
// Depends on common params being set before loading scripts in responseHandler
|
|
if (self._scriptsVersion === null) {
|
|
self._scriptsVersion = PMA_commonParams.get('PMA_VERSION');
|
|
} else if (self._scriptsVersion != PMA_commonParams.get('PMA_VERSION')) {
|
|
self._scripts = [];
|
|
self._scriptsVersion = PMA_commonParams.get('PMA_VERSION');
|
|
}
|
|
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%5B%5D=" + script);
|
|
}
|
|
}
|
|
request.push("call_done=1");
|
|
request.push("v=" + encodeURIComponent(PMA_commonParams.get('PMA_VERSION')));
|
|
// Download the composite js file, if necessary
|
|
if (needRequest) {
|
|
this.appendScript("js/get_scripts.js.php?" + request.join("&"));
|
|
} else {
|
|
self.done(callback);
|
|
}
|
|
},
|
|
/**
|
|
* Called whenever all files are loaded
|
|
*
|
|
* @return void
|
|
*/
|
|
done: function (callback) {
|
|
if($.isFunction(callback)) {
|
|
callback();
|
|
}
|
|
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;
|
|
script.async = false;
|
|
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
|
|
*/
|
|
$(document).off('click', 'a').on('click', 'a', AJAX.requestHandler);
|
|
$(document).off('submit', 'form').on('submit', 'form', AJAX.requestHandler);
|
|
if (! (history && history.pushState)) {
|
|
PMA_MicroHistory.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', '');
|
|
}
|
|
});
|
|
|
|
var $page_content = $('#page_content');
|
|
/**
|
|
* Workaround for passing submit button name,value on ajax form submit
|
|
* by appending hidden element with submit button name and value.
|
|
*/
|
|
$page_content.on('click', 'form input[type=submit]', function() {
|
|
var buttonName = $(this).attr('name');
|
|
if (typeof buttonName === 'undefined') {
|
|
return;
|
|
}
|
|
$(this).closest('form').append($('<input/>', {
|
|
'type' : 'hidden',
|
|
'name' : buttonName,
|
|
'value': $(this).val()
|
|
}));
|
|
});
|
|
|
|
/**
|
|
* Attach event listener to events when user modify visible
|
|
* Input,Textarea and select fields to make changes in forms
|
|
*/
|
|
$page_content.on(
|
|
'keyup change',
|
|
'form.lock-page textarea, ' +
|
|
'form.lock-page input[type="text"], ' +
|
|
'form.lock-page input[type="number"], ' +
|
|
'form.lock-page select',
|
|
{value:1},
|
|
AJAX.lockPageHandler
|
|
);
|
|
$page_content.on(
|
|
'change',
|
|
'form.lock-page input[type="checkbox"], ' +
|
|
'form.lock-page input[type="radio"]',
|
|
{value:2},
|
|
AJAX.lockPageHandler
|
|
);
|
|
/**
|
|
* Reset lock when lock-page form reset event is fired
|
|
* Note: reset does not bubble in all browser so attach to
|
|
* form directly.
|
|
*/
|
|
$('form.lock-page').on('reset', function(event){
|
|
AJAX.resetLock();
|
|
});
|
|
});
|
|
|
|
/**
|
|
* Page load event handler
|
|
*/
|
|
$(function () {
|
|
var menuContent = $('<div></div>')
|
|
.append($('#serverinfo').clone())
|
|
.append($('#topmenucontainer').clone())
|
|
.html();
|
|
if (history && history.pushState) {
|
|
//set initial state reload
|
|
var initState = ('state' in window.history && window.history.state !== null);
|
|
var initURL = $('#selflink').find('> a').attr('href') || location.href;
|
|
var state = {
|
|
url : initURL,
|
|
menu : menuContent
|
|
};
|
|
history.replaceState(state, null);
|
|
|
|
$(window).on('popstate', function(event) {
|
|
var initPop = (! initState && location.href == initURL);
|
|
initState = true;
|
|
//check if popstate fired on first page itself
|
|
if (initPop) {
|
|
return;
|
|
}
|
|
var state = event.originalEvent.state;
|
|
if (state && state.menu) {
|
|
AJAX.$msgbox = PMA_ajaxShowMessage();
|
|
var params = 'ajax_request=true&ajax_page_request=true';
|
|
var url = state.url || location.href;
|
|
$.get(url, params, AJAX.responseHandler);
|
|
//TODO: Check if sometimes menu is not retrieved from server,
|
|
// Not sure but it seems menu was missing only for printview which
|
|
// been removed lately, so if it's right some dead menu checks/fallbacks
|
|
// may need to be removed from this file and Header.php
|
|
//AJAX.handleMenu.replace(event.originalEvent.state.menu);
|
|
}
|
|
});
|
|
} else {
|
|
// Fallback to microhistory mechanism
|
|
AJAX.scriptHandler
|
|
.load([{'name' : 'microhistory.js', 'fire' : 1}], function () {
|
|
// The cache primer is set by the footer class
|
|
if (PMA_MicroHistory.primer.url) {
|
|
PMA_MicroHistory.menus.add(
|
|
PMA_MicroHistory.primer.menuHash,
|
|
menuContent
|
|
);
|
|
}
|
|
$(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 (PMA_MicroHistory.primer.url) {
|
|
PMA_MicroHistory.add(
|
|
PMA_MicroHistory.primer.url,
|
|
PMA_MicroHistory.primer.scripts,
|
|
PMA_MicroHistory.primer.menuHash
|
|
);
|
|
}
|
|
});
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* Attach a generic event handler to clicks
|
|
* on pages and submissions of forms
|
|
*/
|
|
$(document).on('click', 'a', AJAX.requestHandler);
|
|
$(document).on('submit', 'form', 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 = PMA_sprintf(PMA_messages.strErrorCode, request.status);
|
|
var errorText = PMA_sprintf(PMA_messages.strErrorText, request.statusText);
|
|
PMA_ajaxShowMessage(
|
|
'<div class="error">' +
|
|
PMA_messages.strErrorProcessingRequest +
|
|
'<div>' + escapeHtml(errorCode) + '</div>' +
|
|
'<div>' + escapeHtml(errorText) + '</div>' +
|
|
'</div>',
|
|
false
|
|
);
|
|
AJAX.active = false;
|
|
}
|
|
});
|