public override void PerformAction(AppWorkspace appWorkspace)
{
if (appWorkspace.CanSetActiveWorkspace)
{
try
{
SizeInt32? nullable;
IPdnDataObject dataObject;
MaskedSurface clipboardImage;
try
{
using (new WaitCursorChanger(appWorkspace))
{
CleanupManager.RequestCleanup();
dataObject = PdnClipboard.GetDataObject();
if (ClipboardUtil.IsClipboardImageMaybeAvailable(appWorkspace, dataObject))
{
clipboardImage = ClipboardUtil.GetClipboardImage(appWorkspace, dataObject);
if (clipboardImage != null)
{
nullable = new SizeInt32?(clipboardImage.GetCachedGeometryMaskScansBounds().Size);
}
else
{
nullable = null;
}
}
else
{
clipboardImage = null;
nullable = null;
}
}
}
catch (OutOfMemoryException exception)
{
ExceptionDialog.ShowErrorDialog(appWorkspace, PdnResources.GetString("PasteAction.Error.OutOfMemory"), exception);
return;
}
catch (Exception exception2)
{
ExceptionDialog.ShowErrorDialog(appWorkspace, PdnResources.GetString("PasteAction.Error.TransferFromClipboard"), exception2);
return;
}
if (!nullable.HasValue)
{
MessageBoxUtil.ErrorBox(appWorkspace, PdnResources.GetString("PasteInToNewImageAction.Error.NoClipboardImage"));
}
else
{
Type defaultToolType;
SizeInt32 size = nullable.Value;
Document document = null;
if ((appWorkspace.ActiveDocumentWorkspace != null) && (appWorkspace.ActiveDocumentWorkspace.Tool != null))
{
defaultToolType = appWorkspace.ActiveDocumentWorkspace.Tool.GetType();
}
else
{
defaultToolType = appWorkspace.DefaultToolType;
}
using (new WaitCursorChanger(appWorkspace))
{
document = new Document(size);
DocumentWorkspace documentWorkspace = appWorkspace.AddNewDocumentWorkspace();
documentWorkspace.Document = document;
documentWorkspace.History.PushNewMemento(new NullHistoryMemento(string.Empty, null));
PasteInToNewLayerAction action = new PasteInToNewLayerAction(documentWorkspace, dataObject, clipboardImage);
if (action.PerformAction())
{
using (new PushNullToolMode(documentWorkspace))
{
documentWorkspace.Selection.Reset();
documentWorkspace.SetDocumentSaveOptions(null, null, null);
documentWorkspace.History.ClearAll();
documentWorkspace.History.PushNewMemento(new NullHistoryMemento(PdnResources.GetString("Menu.Edit.PasteInToNewImage.Text"), PdnResources.GetImageResource("Icons.MenuEditPasteInToNewImageIcon.png")));
appWorkspace.ActiveDocumentWorkspace = documentWorkspace;
}
documentWorkspace.SetToolFromType(defaultToolType);
}
else
{
appWorkspace.RemoveDocumentWorkspace(documentWorkspace);
document.Dispose();
}
}
}
}
catch (ExternalException exception3)
{
ExceptionDialog.ShowErrorDialog(appWorkspace, PdnResources.GetString("AcquireImageAction.Error.Clipboard.TransferError"), exception3);
}
catch (OutOfMemoryException exception4)
{
ExceptionDialog.ShowErrorDialog(appWorkspace, PdnResources.GetString("AcquireImageAction.Error.Clipboard.OutOfMemory"), exception4);
}
catch (ThreadStateException)
{
}
}
}
protected override void OnDropDownOpening(EventArgs e)
{
bool flag;
bool flag2;
bool flag3;
IPdnDataObject dataObject;
if (base.AppWorkspace.ActiveDocumentWorkspace == null)
{
flag = false;
flag2 = false;
this.menuEditSelectAll.Enabled = false;
}
else
{
flag = !base.AppWorkspace.ActiveDocumentWorkspace.Selection.IsEmpty;
flag2 = base.AppWorkspace.ActiveDocumentWorkspace.ActiveLayer is BitmapLayer;
this.menuEditSelectAll.Enabled = true;
}
this.menuEditCopy.Enabled = flag;
this.menuEditCopyMerged.Enabled = flag;
this.menuEditCut.Enabled = flag & flag2;
this.menuEditEraseSelection.Enabled = flag;
this.menuEditFillSelection.Enabled = flag;
this.menuEditInvertSelection.Enabled = flag;
this.menuEditDeselect.Enabled = flag;
try
{
dataObject = PdnClipboard.GetDataObject();
flag3 = ClipboardUtil.IsClipboardImageMaybeAvailable(base.AppWorkspace, dataObject);
}
catch (Exception)
{
flag3 = false;
dataObject = null;
}
this.menuEditPaste.Enabled = flag3 && (base.AppWorkspace.ActiveDocumentWorkspace > null);
if ((!this.menuEditPaste.Enabled && (dataObject != null)) && ((base.AppWorkspace.ActiveDocumentWorkspace != null) && (base.AppWorkspace.ActiveDocumentWorkspace.Tool != null)))
{
bool flag4;
try
{
base.AppWorkspace.ActiveDocumentWorkspace.Tool.PerformPasteQuery(dataObject, out flag4);
}
catch (ExternalException)
{
flag4 = false;
}
if (flag4)
{
this.menuEditPaste.Enabled = true;
}
}
this.menuEditPasteInToNewLayer.Enabled = flag3 && (base.AppWorkspace.ActiveDocumentWorkspace > null);
this.menuEditPasteInToNewImage.Enabled = flag3;
if (base.AppWorkspace.ActiveDocumentWorkspace != null)
{
this.menuEditUndo.Enabled = base.AppWorkspace.ActiveDocumentWorkspace.History.UndoStack.Count > 1;
this.menuEditRedo.Enabled = base.AppWorkspace.ActiveDocumentWorkspace.History.RedoStack.Count > 0;
}
else
{
this.menuEditUndo.Enabled = false;
this.menuEditRedo.Enabled = false;
}
base.OnDropDownOpening(e);
}