practice-table.js
4.51 KB
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/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
ONOS GUI -- Showing Icons Test Module
*/
(function () {
'use strict';
function setColWidth($log, t) {
var tHeaders, tdElement;
// for each th, set its width to td's width
// do this by looping through each td in the first row
// and finding its column width
tHeaders = t.selectAll('th');
//loop through selectAll array
tHeaders.forEach(function(thElement){
tdElement = t.filter('nth-child()');
$log.log(thElement);
});
}
function setCSS(thead, tbody) {
}
function trimTable(tbody) {
}
function fixTable($log, t, th, tb) {
setColWidth($log, t);
setCSS(th, tb);
trimTable(tb);
}
angular.module('practiceTable', [])
.directive('fixedHeader', ['$log', '$timeout', function ($log, $timeout) {
return {
restrict: 'A',
link: function (scope, element, attrs) {
var table = d3.select(element[0]),
thead = table.select('thead'),
tbody = table.select('tbody');
// wait until the table is visible
scope.$watch(
function () { return (!(table.offsetParent === null)); },
function (newValue, oldValue) {
if (newValue === true) {
$log.log('table is visible');
// ensure thead and tbody have no display
thead.style('display', null);
tbody.style('display', null);
$timeout(function() {
$log.log('timeout is over');
fixTable($log, table, thead, tbody);
}, 200);
}
});
$log.log('fixedHeader directive has been created');
}
};
}]);
}());
$scope.$watch(function () { return $elem.find("tbody").is(':visible') },
function (newValue, oldValue) {
if (newValue === true) {
// reset display styles so column widths are correct when measured below
$elem.find('thead, tbody, tfoot').css('display', '');
// wrap in $timeout to give table a chance to finish rendering
$timeout(function () {
// set widths of columns
$elem.find('th').each(function (i, thElem) {
thElem = $(thElem);
var tdElems = $elem.find('tbody tr:first td:nth-child(' + (i + 1) + ')');
var tfElems = $elem.find('tfoot tr:first td:nth-child(' + (i + 1) + ')');
var columnWidth = tdElems.width();
thElem.width(columnWidth);
tdElems.width(columnWidth);
tfElems.width(columnWidth);
});
// set css styles on thead and tbody
$elem.find('thead, tfoot').css({
'display': 'block',
});
$elem.find('tbody').css({
'display': 'block',
'height': $scope.tableHeight || '400px',
'overflow': 'auto'
});
// reduce width of last column by width of scrollbar
var scrollBarWidth = $elem.find('thead').width() - $elem.find('tbody')[0].clientWidth;
if (scrollBarWidth > 0) {
// for some reason trimming the width by 2px lines everything up better
scrollBarWidth -= 2;
$elem.find('tbody tr:first td:last-child').each(function (i, elem) {
$(elem).width($(elem).width() - scrollBarWidth);
});
}
});
}
});
}