private void RefreshUIState()
{
//Update the cursor
WorkflowView parentView = ParentView;
if (!CanContinueZooming)
{
parentView.Cursor = ZoomingMessageFilter.ZoomDisabledCursor;
}
else if (this.currentState == ZoomState.In)
{
parentView.Cursor = ZoomingMessageFilter.ZoomInCursor;
}
else
{
parentView.Cursor = ZoomingMessageFilter.ZoomOutCursor;
}
//Update the fast zoom
if (this.fastZoomingMessageFilter == null && CanContinueZooming && this.currentState == ZoomState.In)
{
this.fastZoomingMessageFilter = new DragRectangleMessageFilter();
this.fastZoomingMessageFilter.DragComplete += new EventHandler(OnZoomRectComplete);
parentView.AddDesignerMessageFilter(this.fastZoomingMessageFilter);
}
else if (this.fastZoomingMessageFilter != null && (!CanContinueZooming || this.currentState != ZoomState.In))
{
this.fastZoomingMessageFilter.DragComplete -= new EventHandler(OnZoomRectComplete);
parentView.RemoveDesignerMessageFilter(this.fastZoomingMessageFilter);
this.fastZoomingMessageFilter = null;
}
//Update the menu
IMenuCommandService menuCommandService = GetService(typeof(IMenuCommandService)) as IMenuCommandService;
if (menuCommandService != null)
{
foreach (CommandID affectedCommand in CommandSet.NavigationToolCommandIds)
{
MenuCommand menuCommand = menuCommandService.FindCommand(affectedCommand);
if (menuCommand != null && menuCommand.Enabled)
{
menuCommand.Checked = (menuCommand.CommandID == ((this.initialState == ZoomState.In) ? WorkflowMenuCommands.ZoomIn : WorkflowMenuCommands.ZoomOut));
}
}
}
}
protected override void Dispose(bool disposing)
{
try
{
if (this.fastZoomingMessageFilter != null)
{
this.fastZoomingMessageFilter.DragComplete -= new EventHandler(OnZoomRectComplete);
ParentView.RemoveDesignerMessageFilter(this.fastZoomingMessageFilter);
this.fastZoomingMessageFilter.Dispose();
this.fastZoomingMessageFilter = null;
}
RestoreUIState();
}
finally
{
base.Dispose(disposing);
}
}
protected override void Dispose(bool disposing)
{
try
{
if (this.fastZoomingMessageFilter != null)
{
this.fastZoomingMessageFilter.DragComplete -= new EventHandler(this.OnZoomRectComplete);
base.ParentView.RemoveDesignerMessageFilter(this.fastZoomingMessageFilter);
this.fastZoomingMessageFilter.Dispose();
this.fastZoomingMessageFilter = null;
}
this.RestoreUIState();
}
finally
{
base.Dispose(disposing);
}
}
private void RefreshUIState()
{
WorkflowView parentView = base.ParentView;
if (!this.CanContinueZooming)
{
parentView.Cursor = ZoomDisabledCursor;
}
else if (this.currentState == ZoomState.In)
{
parentView.Cursor = ZoomInCursor;
}
else
{
parentView.Cursor = ZoomOutCursor;
}
if (((this.fastZoomingMessageFilter == null) && this.CanContinueZooming) && (this.currentState == ZoomState.In))
{
this.fastZoomingMessageFilter = new DragRectangleMessageFilter();
this.fastZoomingMessageFilter.DragComplete += new EventHandler(this.OnZoomRectComplete);
parentView.AddDesignerMessageFilter(this.fastZoomingMessageFilter);
}
else if ((this.fastZoomingMessageFilter != null) && (!this.CanContinueZooming || (this.currentState != ZoomState.In)))
{
this.fastZoomingMessageFilter.DragComplete -= new EventHandler(this.OnZoomRectComplete);
parentView.RemoveDesignerMessageFilter(this.fastZoomingMessageFilter);
this.fastZoomingMessageFilter = null;
}
IMenuCommandService service = base.GetService(typeof(IMenuCommandService)) as IMenuCommandService;
if (service != null)
{
foreach (CommandID did in CommandSet.NavigationToolCommandIds)
{
MenuCommand command = service.FindCommand(did);
if ((command != null) && command.Enabled)
{
command.Checked = command.CommandID == ((this.initialState == ZoomState.In) ? WorkflowMenuCommands.ZoomIn : WorkflowMenuCommands.ZoomOut);
}
}
}
}
private void RefreshUIState()
{
//Update the cursor
WorkflowView parentView = ParentView;
if (!CanContinueZooming)
parentView.Cursor = ZoomingMessageFilter.ZoomDisabledCursor;
else if (this.currentState == ZoomState.In)
parentView.Cursor = ZoomingMessageFilter.ZoomInCursor;
else
parentView.Cursor = ZoomingMessageFilter.ZoomOutCursor;
//Update the fast zoom
if (this.fastZoomingMessageFilter == null && CanContinueZooming && this.currentState == ZoomState.In)
{
this.fastZoomingMessageFilter = new DragRectangleMessageFilter();
this.fastZoomingMessageFilter.DragComplete += new EventHandler(OnZoomRectComplete);
parentView.AddDesignerMessageFilter(this.fastZoomingMessageFilter);
}
else if (this.fastZoomingMessageFilter != null && (!CanContinueZooming || this.currentState != ZoomState.In))
{
this.fastZoomingMessageFilter.DragComplete -= new EventHandler(OnZoomRectComplete);
parentView.RemoveDesignerMessageFilter(this.fastZoomingMessageFilter);
this.fastZoomingMessageFilter = null;
}
//Update the menu
IMenuCommandService menuCommandService = GetService(typeof(IMenuCommandService)) as IMenuCommandService;
if (menuCommandService != null)
{
foreach (CommandID affectedCommand in CommandSet.NavigationToolCommandIds)
{
MenuCommand menuCommand = menuCommandService.FindCommand(affectedCommand);
if (menuCommand != null && menuCommand.Enabled)
menuCommand.Checked = (menuCommand.CommandID == ((this.initialState == ZoomState.In) ? WorkflowMenuCommands.ZoomIn : WorkflowMenuCommands.ZoomOut));
}
}
}
private void RefreshUIState()
{
WorkflowView parentView = base.ParentView;
if (!this.CanContinueZooming)
{
parentView.Cursor = ZoomDisabledCursor;
}
else if (this.currentState == ZoomState.In)
{
parentView.Cursor = ZoomInCursor;
}
else
{
parentView.Cursor = ZoomOutCursor;
}
if (((this.fastZoomingMessageFilter == null) && this.CanContinueZooming) && (this.currentState == ZoomState.In))
{
this.fastZoomingMessageFilter = new DragRectangleMessageFilter();
this.fastZoomingMessageFilter.DragComplete += new EventHandler(this.OnZoomRectComplete);
parentView.AddDesignerMessageFilter(this.fastZoomingMessageFilter);
}
else if ((this.fastZoomingMessageFilter != null) && (!this.CanContinueZooming || (this.currentState != ZoomState.In)))
{
this.fastZoomingMessageFilter.DragComplete -= new EventHandler(this.OnZoomRectComplete);
parentView.RemoveDesignerMessageFilter(this.fastZoomingMessageFilter);
this.fastZoomingMessageFilter = null;
}
IMenuCommandService service = base.GetService(typeof(IMenuCommandService)) as IMenuCommandService;
if (service != null)
{
foreach (CommandID did in CommandSet.NavigationToolCommandIds)
{
MenuCommand command = service.FindCommand(did);
if ((command != null) && command.Enabled)
{
command.Checked = command.CommandID == ((this.initialState == ZoomState.In) ? WorkflowMenuCommands.ZoomIn : WorkflowMenuCommands.ZoomOut);
}
}
}
}