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Current File : /var/www/phpwinfx/js/server_status_processes.js
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Server Status Processes
*
* @package PhpMyAdmin
*/
// object to store process list state information
var processList = {
// denotes whether auto refresh is on or off
autoRefresh: false,
// stores the GET request which refresh process list
refreshRequest: null,
// stores the timeout id returned by setTimeout
refreshTimeout: null,
// the refresh interval in seconds
refreshInterval: null,
// the refresh URL (required to save last used option)
// i.e. full or sorting url
refreshUrl: null,
/**
* Handles killing of a process
*
* @return void
*/
init: function () {
processList.setRefreshLabel();
if (processList.refreshUrl === null) {
processList.refreshUrl = 'server_status_processes.php' +
PMA_commonParams.get('common_query');
}
if (processList.refreshInterval === null) {
processList.refreshInterval = $('#id_refreshRate').val();
} else {
$('#id_refreshRate').val(processList.refreshInterval);
}
},
/**
* Handles killing of a process
*
* @param object the event object
*
* @return void
*/
killProcessHandler: function (event) {
event.preventDefault();
var url = $(this).attr('href');
// Get row element of the process to be killed.
var $tr = $(this).closest('tr');
$.getJSON(url, function (data) {
// Check if process was killed or not.
if (data.hasOwnProperty('success') && data.success) {
// remove the row of killed process.
$tr.remove();
// As we just removed a row, reapply odd-even classes
// to keep table stripes consistent
var $tableProcessListTr = $('#tableprocesslist').find('> tbody > tr');
$tableProcessListTr.filter(':even').removeClass('odd').addClass('even');
$tableProcessListTr.filter(':odd').removeClass('even').addClass('odd');
// Show process killed message
PMA_ajaxShowMessage(data.message, false);
} else {
// Show process error message
PMA_ajaxShowMessage(data.error, false);
}
});
},
/**
* Handles Auto Refreshing
*
* @param object the event object
*
* @return void
*/
refresh: function (event) {
// abort any previous pending requests
// this is necessary, it may go into
// multiple loops causing unnecessary
// requests even after leaving the page.
processList.abortRefresh();
// if auto refresh is enabled
if (processList.autoRefresh) {
var interval = parseInt(processList.refreshInterval, 10) * 1000;
var urlParams = processList.getUrlParams();
processList.refreshRequest = $.get(processList.refreshUrl,
urlParams,
function (data) {
if (data.hasOwnProperty('success') && data.success) {
$newTable = $(data.message);
$('#tableprocesslist').html($newTable.html());
PMA_highlightSQL($('#tableprocesslist'));
}
processList.refreshTimeout = setTimeout(
processList.refresh,
interval
);
});
}
},
/**
* Stop current request and clears timeout
*
* @return void
*/
abortRefresh: function () {
if (processList.refreshRequest !== null) {
processList.refreshRequest.abort();
processList.refreshRequest = null;
}
clearTimeout(processList.refreshTimeout);
},
/**
* Set label of refresh button
* change between play & pause
*
* @return void
*/
setRefreshLabel: function () {
var img = 'play';
var label = PMA_messages.strStartRefresh;
if (processList.autoRefresh) {
img = 'pause';
label = PMA_messages.strStopRefresh;
processList.refresh();
}
$('a#toggleRefresh').html(PMA_getImage(img) + escapeHtml(label));
},
/**
* Return the Url Parameters
* for autorefresh request,
* includes showExecuting if the filter is checked
*
* @return urlParams - url parameters with autoRefresh request
*/
getUrlParams: function () {
var urlParams = { 'ajax_request': true, 'refresh': true };
if ($('#showExecuting').is(':checked')) {
urlParams.showExecuting = true;
return urlParams;
}
return urlParams;
}
};
AJAX.registerOnload('server_status_processes.js', function () {
processList.init();
// Bind event handler for kill_process
$('#tableprocesslist').on(
'click',
'a.kill_process',
processList.killProcessHandler
);
// Bind event handler for toggling refresh of process list
$('a#toggleRefresh').on('click', function (event) {
event.preventDefault();
processList.autoRefresh = !processList.autoRefresh;
processList.setRefreshLabel();
});
// Bind event handler for change in refresh rate
$('#id_refreshRate').on('change', function (event) {
processList.refreshInterval = $(this).val();
processList.refresh();
});
// Bind event handler for table header links
$('#tableprocesslist').on('click', 'thead a', function () {
processList.refreshUrl = $(this).attr('href');
});
});
/**
* Unbind all event handlers before tearing down a page
*/
AJAX.registerTeardown('server_status_processes.js', function () {
$('#tableprocesslist').off('click', 'a.kill_process');
$('a#toggleRefresh').off('click');
$('#id_refreshRate').off('change');
$('#tableprocesslist').off('click', 'thead a');
// stop refreshing further
processList.abortRefresh();
});
