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using System;
using System.ComponentModel;
using AppKit;
using CoreGraphics;
using Xamarin.PropertyEditing.Drawing;
using Xamarin.PropertyEditing.Mac.Resources;
using Xamarin.PropertyEditing.ViewModels;
namespace Xamarin.PropertyEditing.Mac
{
internal class RequestResourcePanel : NSView
{
internal const string ResourceImageColId = "ResourceImage";
internal const string ResourceTypeColId = "ResourceType";
internal const string ResourceNameColId = "ResourceName";
internal const string ResourceValueColId = "ResourceValue";
private NSTableView resourceTable;
private ResourceTableDataSource dataSource;
private readonly ResourceSelectorViewModel viewModel;
public ResourceSelectorViewModel ViewModel => this.viewModel;
private SimpleCollectionView collectionView => this.viewModel.Resources as SimpleCollectionView;
public Resource SelectedResource {
get {
return (this.resourceTable.SelectedRow != -1) ? this.collectionView [((int)this.resourceTable.SelectedRow)] as Resource : null;
}
}
NSProgressIndicator progressIndicator;
NSScrollView tableContainer;
RequestResourcePreviewPanel previewPanel;
public event EventHandler ResourceSelected;
public event EventHandler DoubleClicked;
private object selectedValue;
public RequestResourcePanel (IHostResourceProvider hostResources, ResourceSelectorViewModel viewModel, object value)
{
if (hostResources == null)
throw new ArgumentNullException (nameof (hostResources));
this.viewModel = viewModel;
this.viewModel.PropertyChanged += OnPropertyChanged;
Initialize (hostResources, value);
}
private void OnPropertyChanged (object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == nameof (this.viewModel.IsLoading)) {
this.progressIndicator.Hidden = !this.viewModel.IsLoading;
this.tableContainer.Hidden = !this.progressIndicator.Hidden;
if (this.viewModel.IsLoading) {
this.progressIndicator.StartAnimation (null);
} else {
this.progressIndicator.StopAnimation (null);
}
}
}
private void Initialize (IHostResourceProvider hostResources, object selectedValue)
{
this.selectedValue = selectedValue;
Frame = new CGRect (10, 35, 630, 305);
var FrameHeightHalf = (Frame.Height - 32) / 2;
var FrameWidthHalf = (Frame.Width - 32) / 2;
var FrameWidthThird = (Frame.Width - 32) / 3;
this.progressIndicator = new NSProgressIndicator (new CGRect (FrameWidthThird, FrameHeightHalf, 32, 32)) {
Hidden = true,
Style = NSProgressIndicatorStyle.Spinning,
TranslatesAutoresizingMaskIntoConstraints = false,
};
AddSubview (this.progressIndicator);
this.resourceTable = new FirstResponderTableView {
AutoresizingMask = NSViewResizingMask.WidthSizable,
HeaderView = null,
};
this.dataSource = new ResourceTableDataSource (viewModel);
var resourceTableDelegate = new ResourceTableDelegate (hostResources, dataSource);
resourceTableDelegate.ResourceSelected += (sender, e) => {
this.previewPanel.SelectedResource = SelectedResource;
this.selectedValue = BrushPropertyViewModel.GetCommonBrushForResource (SelectedResource);
ResourceSelected?.Invoke (this, EventArgs.Empty);
};
this.resourceTable.Delegate = resourceTableDelegate;
this.resourceTable.DataSource = dataSource;
NSTableColumn resourceImages = new NSTableColumn (ResourceImageColId) { Title = LocalizationResources.ResourceTableImageColumnTitle, Width = 32 };
this.resourceTable.AddColumn (resourceImages);
NSTableColumn resourceTypes = new NSTableColumn (ResourceTypeColId) { Title = LocalizationResources.ResourceTableTypeColumnTitle, Width = 150 };
this.resourceTable.AddColumn (resourceTypes);
NSTableColumn resourceName = new NSTableColumn (ResourceNameColId) { Title = LocalizationResources.ResourceTableNameColumnTitle, Width = 150 };
resourceTable.AddColumn (resourceName);
NSTableColumn resourceValue = new NSTableColumn (ResourceValueColId) { Title = LocalizationResources.ResourceTableValueColumnTitle, Width = 45 };
this.resourceTable.AddColumn (resourceValue);
this.resourceTable.DoubleClick += (object sender, EventArgs e) => {
DoubleClicked?.Invoke (this, EventArgs.Empty);
};
// create a table view and a scroll view
this.tableContainer = new NSScrollView (new CGRect (0, 0, resourceTable.TableColumns ()[0].Width + resourceTable.TableColumns ()[1].Width + resourceTable.TableColumns ()[2].Width + 10, Frame.Height)) {
TranslatesAutoresizingMaskIntoConstraints = false,
};
this.tableContainer.DocumentView = resourceTable;
AddSubview (this.tableContainer);
this.previewPanel = new RequestResourcePreviewPanel (hostResources, new CGRect (Frame.Width - FrameWidthThird, 0, FrameWidthThird, Frame.Height));
AddSubview (this.previewPanel);
this.AddConstraints (new[] {
NSLayoutConstraint.Create (this.tableContainer, NSLayoutAttribute.Width, NSLayoutRelation.Equal, this, NSLayoutAttribute.Width, 1f, -190f),
NSLayoutConstraint.Create (this.tableContainer, NSLayoutAttribute.Height, NSLayoutRelation.Equal, this, NSLayoutAttribute.Height, 1f, 0f),
});
ReloadData ();
}
internal void ReloadData ()
{
this.resourceTable.ReloadData ();
if (collectionView.Count > 0 && this.selectedValue != null) {
for (int i = 0; i < collectionView.Count; i++) {
var element = collectionView[i] as Resource;
var eType = element.GetType ();
var valuePropertyInfo = eType.GetProperty ("Value");
var elementValue = valuePropertyInfo.GetValue (element);
if (elementValue == this.selectedValue) {
this.resourceTable.SelectRow (i, false);
break;
}
}
}
}
}
}
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