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Merge pull request #4 from fredjk-gh/ScrollToLast

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Implement scrolling BasicUIView grids to the bottom plus refactoring
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Xjph 2021-06-30 08:32:46 -02:30 committed by GitHub
commit dccbae9c4b
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3 changed files with 28 additions and 8 deletions
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2
ObservatoryCore/UI/ViewModels/BasicUIViewModel.cs
View File

@ -29,8 +29,6 @@ namespace Observatory.UI.ViewModels
public BasicUIViewModel(ObservableCollection<object> BasicUIGrid) public BasicUIViewModel(ObservableCollection<object> BasicUIGrid)
{ {
this.BasicUIGrid = new();
this.BasicUIGrid = BasicUIGrid; this.BasicUIGrid = BasicUIGrid;
} }

4
ObservatoryCore/UI/ViewModels/CoreViewModel.cs
View File

@ -30,12 +30,10 @@ namespace Observatory.UI.ViewModels
{ {
CoreModel coreModel = new(); CoreModel coreModel = new();
coreModel.Name = worker.ShortName; coreModel.Name = worker.ShortName;
coreModel.UI = new(); coreModel.UI = new BasicUIViewModel(worker.PluginUI.DataGrid)
var uiViewModel = new BasicUIViewModel(worker.PluginUI.DataGrid)
{ {
UIType = worker.PluginUI.PluginUIType UIType = worker.PluginUI.PluginUIType
}; };
coreModel.UI = uiViewModel;
tabs.Add(coreModel); tabs.Add(coreModel);
} }

30
ObservatoryCore/UI/Views/BasicUIView.axaml.cs
View File

@ -8,11 +8,15 @@ using Observatory.Framework.Interfaces;
using System.Linq; using System.Linq;
using Avalonia.Interactivity; using Avalonia.Interactivity;
using Avalonia.VisualTree; using Avalonia.VisualTree;
using System;
using System.Collections.ObjectModel;
namespace Observatory.UI.Views namespace Observatory.UI.Views
{ {
public class BasicUIView : UserControl public class BasicUIView : UserControl
{ {
private DataGrid dataGrid;
public BasicUIView() public BasicUIView()
{ {
Initialized += OnInitialized; Initialized += OnInitialized;
@ -65,20 +69,22 @@ namespace Observatory.UI.Views
private void UITypeChange() private void UITypeChange()
{ {
var uiPanel = this.Find<Panel>("UIPanel"); var uiPanel = this.Find<Panel>("UIPanel");
dataGrid = null;
switch (UIType) switch (UIType)
{ {
case PluginUI.UIType.None: case PluginUI.UIType.None:
break; break;
case PluginUI.UIType.Basic: case PluginUI.UIType.Basic:
DataGrid dataGrid = new() dataGrid = new()
{ {
[!DataGrid.ItemsProperty] = new Binding("BasicUIGrid"), [!DataGrid.ItemsProperty] = new Binding("BasicUIGrid"),
SelectionMode = DataGridSelectionMode.Extended, SelectionMode = DataGridSelectionMode.Extended,
GridLinesVisibility = DataGridGridLinesVisibility.Vertical, GridLinesVisibility = DataGridGridLinesVisibility.Vertical,
AutoGenerateColumns = true AutoGenerateColumns = true,
IsReadOnly = true,
}; };
dataGrid.AutoGeneratingColumn += ColumnGeneration; dataGrid.AutoGeneratingColumn += ColumnGeneration;
dataGrid.DataContextChanged += OnDataContextSet;
uiPanel.Children.Clear(); uiPanel.Children.Clear();
uiPanel.Children.Add(dataGrid); uiPanel.Children.Add(dataGrid);
break; break;
@ -93,8 +99,26 @@ namespace Observatory.UI.Views
default: default:
break; break;
} }
}
private void OnDataContextSet(object sender, EventArgs e)
{
if (UIType != PluginUI.UIType.Basic || !(sender is DataGrid)) return;
dataGrid = (DataGrid)sender;
if (dataGrid.DataContext != null)
{
var dataContext = ((ViewModels.BasicUIViewModel)dataGrid.DataContext).BasicUIGrid;
dataContext.CollectionChanged += ScrollToLast;
}
}
private void ScrollToLast(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
// Only trigger on adds.
if (e.Action != System.Collections.Specialized.NotifyCollectionChangedAction.Add || UIType != PluginUI.UIType.Basic || dataGrid == null || !(sender is ObservableCollection<object>))
return;
var dataContext = (ObservableCollection<object>)sender;
dataGrid.ScrollIntoView(dataContext[dataContext.Count - 1], null);
} }
private Grid GenerateCoreUI() private Grid GenerateCoreUI()