Files
Filtration/Filtration/ViewModels/ToolPanes/BlockOutputPreviewViewModel.cs

73 lines
2.6 KiB
C#

using System;
using System.Linq;
using System.Windows.Media.Imaging;
using Filtration.Parser.Interface.Services;
using GalaSoft.MvvmLight.Messaging;
namespace Filtration.ViewModels.ToolPanes
{
internal interface IBlockOutputPreviewViewModel : IToolViewModel
{
bool IsVisible { get; set; }
void ClearDown();
}
internal class BlockOutputPreviewViewModel : ToolViewModel, IBlockOutputPreviewViewModel
{
private readonly IItemFilterBlockTranslator _itemFilterBlockTranslator;
private string _previewText;
public BlockOutputPreviewViewModel(IItemFilterBlockTranslator itemFilterBlockTranslator) : base("Block Output Preview")
{
_itemFilterBlockTranslator = itemFilterBlockTranslator;
ContentId = ToolContentId;
var icon = new BitmapImage();
icon.BeginInit();
icon.UriSource = new Uri("pack://application:,,,/Filtration;component/Resources/Icons/block_output_preview_icon.png");
icon.EndInit();
IconSource = icon;
Messenger.Default.Register<NotificationMessage>(this, message =>
{
if (message.Notification == "LastSelectedBlockChanged")
OnLastSelectedBlockChanged(this, EventArgs.Empty);
else if (message.Notification == "ActiveDocumentChanged")
OnLastSelectedBlockChanged(this, EventArgs.Empty);
});
}
public const string ToolContentId = "BlockOutputPreviewTool";
public string PreviewText
{
get => _previewText;
private set
{
_previewText = value;
RaisePropertyChanged();
}
}
public void ClearDown()
{
PreviewText = string.Empty;
}
private void OnLastSelectedBlockChanged(object sender, EventArgs e)
{
if (AvalonDockWorkspaceViewModel.ActiveScriptViewModel?.SelectedBlockViewModels == null ||
AvalonDockWorkspaceViewModel.ActiveScriptViewModel.SelectedBlockViewModels.Count == 0 ||
AvalonDockWorkspaceViewModel.ActiveScriptViewModel.SelectedBlockViewModels.FirstOrDefault() == null)
{
PreviewText = string.Empty;
return;
}
PreviewText = AvalonDockWorkspaceViewModel.ActiveScriptViewModel.SelectedBlockViewModels
.Select(s => _itemFilterBlockTranslator.TranslateItemFilterBlockBaseToString(s.BaseBlock))
.Aggregate((prev, curr) => prev + Environment.NewLine + Environment.NewLine + curr);
}
}
}