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[Framework + Core] Feature: Add support for adding multiple grid items (#105)

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For plugin developers: Adds a new method to the IObservatoryCore interface to add multiple grid items in 1 call -- which only invokes the UI thread once (and potentially only scrolls to bottom once) providing a small performance improvement and providing some modest convenience.
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F K 2023-03-01 14:52:20 -05:00 committed by GitHub
parent 7e401adb6f
commit 3f2f11bdf3
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2 changed files with 42 additions and 12 deletions
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47
ObservatoryCore/PluginManagement/PluginCore.cs
View File

@ -105,21 +105,28 @@ namespace Observatory.PluginManagement
//Hacky removal of original empty object if one was used to populate columns
if (worker.PluginUI.DataGrid.Count == 2)
{
bool allNull = true;
Type itemType = worker.PluginUI.DataGrid[0].GetType();
foreach (var property in itemType.GetProperties())
{
if (property.GetValue(worker.PluginUI.DataGrid[0], null) != null)
{
allNull = false;
break;
}
}
if (allNull)
if (FirstRowIsAllNull(worker))
worker.PluginUI.DataGrid.RemoveAt(0);
}
});
}
/// <summary>
/// Adds multiple items to the datagrid on UI thread to ensure visual update.
/// </summary>
/// <param name="worker"></param>
/// <param name="items"></param>
public void AddGridItems(IObservatoryWorker worker, IEnumerable<object> items)
{
Avalonia.Threading.Dispatcher.UIThread.InvokeAsync(() =>
{
var cleanEmptyRow = worker.PluginUI.DataGrid.Count == 1 && FirstRowIsAllNull(worker) && items.Count() > 0;
foreach (var item in items)
{
worker.PluginUI.DataGrid.Add(item);
}
if (cleanEmptyRow)
worker.PluginUI.DataGrid.RemoveAt(0);
});
}
@ -175,5 +182,21 @@ namespace Observatory.PluginManagement
{
NativePopup.CloseAll();
}
private static bool FirstRowIsAllNull(IObservatoryWorker worker)
{
bool allNull = true;
Type itemType = worker.PluginUI.DataGrid[0].GetType();
foreach (var property in itemType.GetProperties())
{
if (property.GetValue(worker.PluginUI.DataGrid[0], null) != null)
{
allNull = false;
break;
}
}
return allNull;
}
}
}

7
ObservatoryFramework/Interfaces.cs
View File

@ -156,6 +156,13 @@ namespace Observatory.Framework.Interfaces
/// <param name="item">Grid item to be added. Object type should match original template item used to create the grid.</param>
public void AddGridItem(IObservatoryWorker worker, object item);
/// <summary>
/// Add multiple items to the bottom of the basic UI grid.
/// </summary>
/// <param name="worker">Reference to the calling plugin's worker interface.</param>
/// <param name="items">Grid items to be added. Object types should match original template item used to create the grid.</param>
public void AddGridItems(IObservatoryWorker worker, IEnumerable<object> items);
/// <summary>
/// Clears basic UI grid, removing all items.
/// </summary>