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Improve UI performance

This commit is contained in:
azakhi 2018-08-24 01:09:44 +03:00
parent 4c76dc9bab
commit 1eaf0b6fe5
1 changed files with 55 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
Filtration/ViewModels/ItemFilterScriptViewModel.cs
View File

@ -82,7 +82,7 @@ namespace Filtration.ViewModels
void MoveBlockUp(IItemFilterBlockViewModelBase targetBlockViewModelBase);
void MoveBlockDown(IItemFilterBlockViewModelBase targetBlockViewModelBase);
void MoveBlockToBottom(IItemFilterBlockViewModelBase targetBlockViewModelBase);
void ToggleSection(IItemFilterCommentBlockViewModel targetCommentBlockViewModelBase);
void ToggleSection(IItemFilterCommentBlockViewModel targetCommentBlockViewModelBase, bool updateViewModels = true);
}
internal class ItemFilterScriptViewModel : PaneViewModel, IItemFilterScriptViewModel
@ -1293,23 +1293,48 @@ namespace Filtration.ViewModels
}
}
public void ToggleSection(IItemFilterCommentBlockViewModel targetCommentBlockViewModelBase)
public void ToggleSection(IItemFilterCommentBlockViewModel targetCommentBlockViewModelBase, bool updateViewModels = true)
{
var newState = !targetCommentBlockViewModelBase.IsExpanded;
targetCommentBlockViewModelBase.IsExpanded = newState;
var sectionIndex = ItemFilterBlockViewModels.IndexOf(targetCommentBlockViewModelBase);
var viewIndex = ViewItemFilterBlockViewModels.IndexOf(targetCommentBlockViewModelBase);
for (int i = sectionIndex + 1; i < ItemFilterBlockViewModels.Count; i++)
{
var block = ItemFilterBlockViewModels[i] as IItemFilterBlockViewModel;
if (block != null)
{
if (newState)
viewIndex++;
if (newState == block.IsVisible)
{
continue;
}
if(updateViewModels)
{
if(newState)
{
if(viewIndex < ViewItemFilterBlockViewModels.Count)
{
ViewItemFilterBlockViewModels.Insert(viewIndex, block);
}
else
{
ViewItemFilterBlockViewModels.Add(block);
}
}
else
{
ViewItemFilterBlockViewModels.RemoveAt(viewIndex + 1);
}
}
block.IsVisible = newState;
}
else
break;
}
UpdateBlockModelsForView();
}
private void UpdateBlockModelsForView()
@ -1343,26 +1368,49 @@ namespace Filtration.ViewModels
private void CollapseAllSections()
{
ObservableCollection<IItemFilterBlockViewModelBase> blocksForView = new ObservableCollection<IItemFilterBlockViewModelBase>();
for (int i = 0; i < ItemFilterBlockViewModels.Count; i++)
{
var block = ItemFilterBlockViewModels[i] as IItemFilterCommentBlockViewModel;
if (block != null && block.IsExpanded)
if (block != null)
{
ToggleSection(block);
blocksForView.Add(block);
if(block.IsExpanded)
{
ToggleSection(block, false);
}
}
}
if (SelectedBlockViewModel == null && blocksForView.Count > 0)
{
SelectedBlockViewModel = blocksForView[0];
}
ViewItemFilterBlockViewModels = blocksForView;
}
private void ExpandAllSections()
{
ObservableCollection<IItemFilterBlockViewModelBase> blocksForView = new ObservableCollection<IItemFilterBlockViewModelBase>();
for (int i = 0; i < ItemFilterBlockViewModels.Count; i++)
{
blocksForView.Add(ItemFilterBlockViewModels[i]);
var block = ItemFilterBlockViewModels[i] as IItemFilterCommentBlockViewModel;
if (block != null && !block.IsExpanded)
{
ToggleSection(block);
ToggleSection(block, false);
}
}
if(SelectedBlockViewModel == null && blocksForView.Count > 0)
{
SelectedBlockViewModel = blocksForView[0];
}
ViewItemFilterBlockViewModels = blocksForView;
}
}
}