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/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Unbind all event handlers before tearing down a page
*/
AJAX.registerTeardown('server_variables.js', function() {
$('table.data tbody tr td:nth-child(2).editable').unbind('hover');
$('#filterText').unbind('keyup');
});
AJAX.registerOnload('server_variables.js', function() {
var textFilter = null, odd_row = false;
var testString = 'abcdefghijklmnopqrstuvwxyz0123456789,ABCEFGHIJKLMOPQRSTUVWXYZ';
var $tmpDiv, charWidth;
// Global vars
$editLink = $('a.editLink');
$saveLink = $('a.saveLink');
$cancelLink = $('a.cancelLink');
/* Variable editing */
$('table.data tbody tr td:nth-child(2).editable').hover(
function() {
// Only add edit element if it is the global value, not session value and not when the element is being edited
if ($(this).parent().children('th').length > 0 && ! $(this).hasClass('edit')) {
$(this).prepend($editLink.clone().show());
}
},
function() {
$(this).find('a.editLink').remove();
}
);
// Filter options are invisible for disabled js users
$('fieldset#tableFilter').css('display','');
$('#filterText').keyup(function(e) {
if ($(this).val().length == 0) {
textFilter=null;
} else {
textFilter = new RegExp("(^| )"+$(this).val().replace(/_/g,' '),'i');
}
filterVariables();
});
if (location.hash.substr(1).split('=')[0] == 'filter') {
var name = location.hash.substr(1).split('=')[1];
// Only allow variable names
if (! name.match(/[^0-9a-zA-Z_]+/)) {
$('#filterText').val(name).trigger('keyup');
}
}
/* Table width limiting */
$('table.data').after($tmpDiv=$('<span>'+testString+'</span>'));
charWidth = $tmpDiv.width() / testString.length;
$tmpDiv.remove();
$(window).resize(limitTableWidth); // FIXME: this doesn't work that well and binding anything to the window resize event is a bad idea
limitTableWidth();
/* This function chops of long variable values to keep the table from overflowing horizontally
* It does so by taking a test string and calculating an average font width and removing 'excess width / average font width'
* chars, so it is not very accurate.
*/
function limitTableWidth() {
var fulltext;
var charDiff;
var maxTableWidth;
var $tmpTable;
$('table.data').after($tmpTable = $('<table id="testTable" style="width:100%;"><tr><td>' + testString + '</td></tr></table>'));
maxTableWidth = $('#testTable').width();
$tmpTable.remove();
charDiff = ($('table.data').width() - maxTableWidth) / charWidth;
if ($('body').innerWidth() < $('table.data').width() + 10 || $('body').innerWidth() > $('table.data').width() + 20) {
var maxChars = 0;
$('table.data tbody tr td:nth-child(2)').each(function() {
maxChars = Math.max($(this).text().length, maxChars);
});
// Do not resize smaller if there's only 50 chars displayed already
if (charDiff > 0 && maxChars < 50) { return; }
$('table.data tbody tr td:nth-child(2)').each(function() {
if ((charDiff > 0 && $(this).text().length > maxChars - charDiff) || (charDiff < 0 && $(this).find('abbr.cutoff').length > 0)) {
if ($(this).find('abbr.cutoff').length > 0) {
fulltext = $(this).find('abbr.cutoff').attr('title');
} else {
fulltext = $(this).text();
// Do not cut off elements with html in it and hope they are not too long
if (fulltext.length != $(this).html().length) { return 0; }
}
if (fulltext.length < maxChars - charDiff) {
$(this).html(fulltext);
} else {
$(this).html('<abbr class="cutoff" title="' + fulltext + '">' + fulltext.substr(0, maxChars - charDiff - 3) + '...</abbr>');
}
}
});
}
}
/* Filters the rows by the user given regexp */
function filterVariables() {
var mark_next = false, firstCell;
odd_row = false;
$('table.filteredData tbody tr').each(function() {
firstCell = $(this).children(':first');
if (mark_next || textFilter == null || textFilter.exec(firstCell.text())) {
// If current global value is different from session value (=has class diffSession), then display that one too
mark_next = $(this).hasClass('diffSession') && ! mark_next;
odd_row = ! odd_row;
$(this).css('display','');
if (odd_row) {
$(this).addClass('odd');
$(this).removeClass('even');
} else {
$(this).addClass('even');
$(this).removeClass('odd');
}
} else {
$(this).css('display','none');
}
});
}
});
/* Called by inline js. Allows the user to edit a server variable */
function editVariable(link)
{
var varName = $(link).parent().parent().find('th:first').first().text().replace(/ /g,'_');
var $mySaveLink = $saveLink.clone().show();
var $myCancelLink = $cancelLink.clone().show();
var $cell = $(link).parent();
var $msgbox = PMA_ajaxShowMessage();
$cell.addClass('edit');
// remove edit link
$cell.find('a.editLink').remove();
$mySaveLink.click(function() {
var $msgbox = PMA_ajaxShowMessage(PMA_messages.strProcessingRequest);
$.get($(this).attr('href'), {
ajax_request: true,
type: 'setval',
varName: varName,
varValue: $cell.find('input').val()
}, function(data) {
if (data.success) {
$cell.html(data.variable);
PMA_ajaxRemoveMessage($msgbox);
} else {
PMA_ajaxShowMessage(data.error, false);
$cell.html($cell.find('span.oldContent').html());
}
$cell.removeClass('edit');
}, 'json');
return false;
});
$myCancelLink.click(function() {
$cell.html($cell.find('span.oldContent').html());
$cell.removeClass('edit');
return false;
});
$.get($mySaveLink.attr('href'), {
ajax_request: true,
type: 'getval',
varName: varName
}, function(data) {
if (data.success == true) {
// hide original content
$cell.html('<span class="oldContent" style="display:none;">' + $cell.html() + '</span>');
// put edit field and save/cancel link
$cell.prepend('<table class="serverVariableEditTable" border="0"><tr><td></td><td style="width:100%;">' +
'<input type="text" id="variableEditArea" value="' + data.message + '" /></td></tr></table>');
$cell.find('table td:first').append($mySaveLink);
$cell.find('table td:first').append(' ');
$cell.find('table td:first').append($myCancelLink);
// Keyboard shortcuts to the rescue
$('input#variableEditArea').focus();
$('input#variableEditArea').keydown(function(event) {
// Enter key
if (event.keyCode == 13) {
$mySaveLink.trigger('click');
}
// Escape key
if (event.keyCode == 27) {
$myCancelLink.trigger('click');
}
});
PMA_ajaxRemoveMessage($msgbox);
} else {
$cell.removeClass('edit');
PMA_ajaxShowMessage(data.error);
}
});
return false;
}
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