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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';
// injected refs
var $log, $interval, $timeout, fs, wss;
// constants
var refreshInterval = 2000,
loadingWait = 500;
// example params to buildTable:
// {
// scope: $scope, <- controller scope
// tag: 'device', <- table identifier
// selCb: selCb, <- row selection callback (optional)
// respCb: respCb, <- websocket response callback (optional)
// query: params <- query parameters in URL (optional)
// }
// Note: selCb() is passed the row data model of the selected row,
// or null when no row is selected.
// Note: query is always an object (empty or containing properties)
// it comes from $location.search()
function buildTable(o) {
var handlers = {},
root = o.tag + 's',
req = o.tag + 'DataRequest',
resp = o.tag + 'DataResponse',
onSel = fs.isF(o.selCb),
onResp = fs.isF(o.respCb),
idKey = o.idKey || 'id',
oldTableData = [],
loaded = false,
refreshPromise, loadingPromise;
o.scope.tableData = [];
o.scope.changedData = [];
o.scope.sortParams = {};
o.scope.loading = true;
o.scope.autoRefresh = true;
o.scope.autoRefreshTip = 'Toggle auto refresh';
// === websocket functions --------------------
// response
function respCb(data) {
loaded = true;
o.scope.loading = false;
o.scope.tableData = data[root];
onResp && onResp();
// checks if data changed for row flashing
if (!angular.equals(o.scope.tableData, oldTableData)) {
o.scope.changedData = [];
// only flash the row if the data already exists
if (oldTableData.length) {
angular.forEach(o.scope.tableData, function (item) {
if (!fs.containsObj(oldTableData, item)) {
o.scope.changedData.push(item);
}
});
}
angular.copy(o.scope.tableData, oldTableData);
}
o.scope.$apply();
}
handlers[resp] = respCb;
wss.bindHandlers(handlers);
// request
function sortCb(params) {
var p = angular.extend({}, params, o.query);
wss.sendEvent(req, p);
stillLoading();
}
o.scope.sortCallback = sortCb;
// show loading wheel if it's taking a while for the server to respond
function stillLoading() {
loaded = false;
loadingPromise = $timeout(function () {
if (!loaded) {
o.scope.loading = true;
}
}, loadingWait);
}
// === selecting a row functions ----------------
function selCb($event, selRow) {
var selId = selRow[idKey];
o.scope.selId = (o.scope.selId === selId) ? null : selId;
onSel && onSel($event, selRow);
}
o.scope.selectCallback = selCb;
// === autoRefresh functions ------------------
function startRefresh() {
refreshPromise = $interval(function () {
if (fs.debugOn('widget')) {
$log.debug('Refreshing ' + root + ' page');
}
sortCb(o.scope.sortParams);
}, refreshInterval);
}
function stopRefresh() {
if (angular.isDefined(refreshPromise)) {
$interval.cancel(refreshPromise);
refreshPromise = undefined;
}
}
function toggleRefresh() {
o.scope.autoRefresh = !o.scope.autoRefresh;
o.scope.autoRefresh ? startRefresh() : stopRefresh();
}
o.scope.toggleRefresh = toggleRefresh;
// === Cleanup on destroyed scope -----------------
o.scope.$on('$destroy', function () {
wss.unbindHandlers(handlers);
stopRefresh();
if (angular.isDefined(loadingPromise)) {
$timeout.cancel(loadingPromise);
loadingPromise = undefined;
}
});
sortCb();
startRefresh();
}
angular.module('onosWidget')
.factory('TableBuilderService',
['$log', '$interval', '$timeout', 'FnService', 'WebSocketService',
function (_$log_, _$interval_, _$timeout_, _fs_, _wss_) {
$log = _$log_;
$interval = _$interval_;
$timeout = _$timeout_;
fs = _fs_;
wss = _wss_;
return {
buildTable: buildTable
};
}]);
}());
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