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Enhance result panel update

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The last commit f132cb54baa000a245feb5da87149960f6dbd9f5 only fix UI
flickering for different icon. This commit also fix the commit for same
icon. e.g. in web search plugin, although the title is different, but
the icon is not changes.
part of #350
This commit is contained in:
bao-qian
2015-11-08 01:44:28 +00:00
parent 9627272b57
commit 2b27e84956
2 changed files with 58 additions and 16 deletions
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36
Wox/Helper/ListBoxItems.cs
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@@ -9,7 +9,7 @@ using Wox.Plugin;
namespace Wox.Helper
{
class ListBoxItems : ObservableCollection<Result>
// todo implement custom moveItem,removeItem,insertItem
// todo implement custom moveItem,removeItem,insertItem for better performance
{
public void RemoveAll(Predicate<Result> predicate)
{
@@ -18,6 +18,7 @@ namespace Wox.Helper
List<Result> itemsToRemove = Items.Where(x => predicate(x)).ToList();
if (itemsToRemove.Count > 0)
{
itemsToRemove.ForEach(item => Items.Remove(item));
OnPropertyChanged(new PropertyChangedEventArgs("Count"));
@@ -29,5 +30,38 @@ namespace Wox.Helper
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}
}
public void Update(List<Result> newItems)
{
int newCount = newItems.Count;
int oldCount = Items.Count;
int location = newCount > oldCount ? oldCount : newCount;
for (int i = 0; i < location; i++)
{
Result oldItem = Items[i];
Result newItem = newItems[i];
if (!Equals(oldItem, newItem))
{
this[i] = newItem;
}
}
if (newCount > oldCount)
{
for (int i = oldCount; i < newCount; i++)
{
Add(newItems[i]);
}
}
else
{
int removeIndex = newCount;
for (int i = newCount; i < oldCount; i++)
{
RemoveAt(removeIndex);
}
}
}
}
}