table.js
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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 -- Widget -- Table Service
*/
(function () {
'use strict';
var $log;
// Render a plain d3 table by giving it the div, a config file, and data
function renderTable(div, config, data) {
var table = div.append('table'),
colIds = config.colIds,
colText = config.colText,
dataObjects = data[Object.keys(data)[0]],
thead, tbody, tRows;
thead = table.append('thead');
tbody = table.append('tbody');
thead.append('tr').selectAll('th')
.data(colText)
.enter()
.append('th')
.text(function(d) { return d });
tRows = tbody.selectAll('tr')
.data(dataObjects)
.enter()
.append('tr');
tRows.selectAll('td')
.data(function(row) {
return colIds.map(function(headerId) {
return {
column: headerId, value: row[headerId]
};
});
})
.enter()
.append('td')
.html(function(d) { return d.value });
return table;
}
// Functions for creating a fixed-header on a table (Angular Directive)
function setColWidth(t) {
var tHeaders, tdElement, colWidth;
tHeaders = t.selectAll('th');
// select each td in the first row and set the header's width to the
// corresponding td's width, if td is larger than header's width.
tHeaders.each(function(thElement, index){
thElement = d3.select(this);
tdElement = t.select('td:nth-of-type(' + (index + 1) + ')');
colWidth = tdElement.style('width');
thElement.style('width', colWidth);
tdElement.style('width', colWidth);
});
}
function setCSS(thead, tbody, height) {
thead.style('display', 'block');
tbody.style({'display': 'block',
'height': height || '500px',
'overflow': 'auto'
});
}
function fixTable(t, th, tb, height) {
setColWidth(t);
setCSS(th, tb, height);
}
angular.module('onosWidget')
.factory('TableService', ['$log', function (_$log_) {
$log = _$log_;
return {
renderTable: renderTable
};
}])
.directive('fixedHeader', ['$timeout', function ($timeout) {
return {
restrict: 'A',
scope: {
tableHeight: '@'
},
link: function (scope, element) {
// TODO: look into other solutions than $timeout --
// fixed-header directive called before ng-repeat was
// finished; using $scope.$emit to notify this directive
// to fire was not working.
$timeout(function() {
var table = d3.select(element[0]),
thead = table.select('thead'),
tbody = table.select('tbody');
// wait until the table is visible
// (offsetParent returns null if display is "none")
scope.$watch(
function () {
return (!(table.offsetParent === null));
},
function(newValue) {
if (newValue === true) {
// ensure thead and tbody have no display
thead.style('display', null);
tbody.style('display', null);
$timeout(function () {
fixTable(table, thead, tbody,
scope.tableHeight);
});
}
});
}, 200);
}
};
}]);
}());