openstack/horizon
Code Issues Proposed changes

Network Topology graph "twitches"

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the graph is redrawn which causes visual glitching.
Depending on the graph complexity.

my patch resolved this issue so I compare between previous
data and received data, if that changed it will redrawn,
otherwise it keeps running.

Change-Id: I813dfb329f46cda9afacce89c9a8b84eb2827115
Closes-Bug: #1716834
This commit is contained in:
Ameed Ashour 2018-02-11 09:52:52 -05:00 committed by Akihiro Motoki
parent 7f3fc39602
commit e5dae9b353
1 changed files with 59 additions and 3 deletions
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58
openstack_dashboard/static/js/horizon.networktopologycommon.js
View File

@ -20,6 +20,59 @@ horizon.networktopologycommon = {
}
};
function isEqual(data1, data2) {
var list1=[],list2=[];
function compare2Objects (data1, data2) {
var item;
if (isNaN(data1) && isNaN(data2) && typeof data1 === 'number' && typeof data2 === 'number') {
return true;
}
// Compare primitives and functions.
// Check if both arguments link to the same object.
// Especially useful on the step where we compare prototypes
if (data1 === data2) {
return true;
}
for (item in data1) {
if (data2.hasOwnProperty(item) !== data1.hasOwnProperty(item)) {
return false;
}
else if (typeof data2[item] !== typeof data1[item]) {
return false;
}
switch (typeof (data1[item])) {
case 'object':
if (!compare2Objects (data1[item], data2[item])) {
return false;
}
break;
default:
if (data1[item] !== data2[item]) {
list1.push(data1[item]);
list2.push(data2[item]);
}
break;
}
}
return true;
}
if(!compare2Objects(data1, data2)){
return false;
}else{
list1 = list1.sort();
list2 = list2.sort();
for(var i in list1){
if(list2[i]!=list1[i])
return false;
}
}
return true;
}
/**
* Common data loader for network topology views
*/
@ -30,7 +83,7 @@ horizon.networktopologyloader = {
reload_duration: 10000,
// timer controlling update intervals
update_timer: null,
previous_data : {},
init:function() {
var self = this;
if($('#networktopology').length === 0) {
@ -48,7 +101,10 @@ horizon.networktopologyloader = {
angular.element('#networktopology').data('networktopology') + '?' + angular.element.now(),
function(data) {
self.model = data;
if(!isEqual(data,self.previous_data)) {
angular.copy(data, self.previous_data);
$('#networktopology').trigger('change');
}
self.update_timer = setTimeout(function(){
self.update();
}, self.reload_duration);