topo2Breadcrumb.js
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/*
* Copyright 2016-present 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 -- Topology Breadcrumb Module.
Module that renders the breadcrumbs for regions
*/
(function () {
'use strict';
var $log, wss;
var breadcrumbContainer,
breadcrumbs;
function init() {
breadcrumbs = [];
breadcrumbContainer = d3.select('#breadcrumbs');
render();
}
function addBreadcrumb(crumbs) {
// If `crumbs` is an array, merge with breadcrumbs;
if (crumbs.length) {
breadcrumbs = breadcrumbs.concat(crumbs);
} else {
breadcrumbs.push(crumbs);
}
render();
}
function navigateToRegion(data, index) {
if (index === breadcrumbs.length - 1) {
return;
}
// Remove breadcrumbs after index;
breadcrumbs.splice(index + 1);
wss.sendEvent('topo2navRegion', {
dir: 'up',
rid: data.id
});
render();
}
function render() {
var selection = breadcrumbContainer.selectAll('.breadcrumb')
.data(breadcrumbs);
selection.enter()
.append('div')
.attr('class', 'breadcrumb')
.on('click', navigateToRegion)
.append('text')
.text(function (d) {
return d.name;
});
selection.exit()
.transition()
.duration(200)
.style('opacity', 0)
.remove();
}
angular.module('ovTopo2')
.factory('Topo2BreadcrumbService',
['$log', 'WebSocketService',
function (_$log_, _wss_) {
$log = _$log_;
wss = _wss_;
return {
init: init,
addBreadcrumb: addBreadcrumb
};
}]);
})();