protected override void HandleOldEditTool(CanvasEditToolChangedEventArgs args, OffsetEditTool2 oldEditTool)
{
CommandOutputService.WriteLine(LanguageService.FindResourceString(Constants.EditToolTip_EndText_Offset));
oldEditTool.FixedOffsetChanged -= EditTool_FixedOffsetChanged;
oldEditTool.DrawObjectSelected -= EditTool_DrawObjectSelected;
oldEditTool.OffsetApplied -= EditTool_OffsetApplied;
}
protected override void HandleOldEditTool(CanvasEditToolChangedEventArgs args, AngleMeasureEditTool oldEditTool)
{
if (oldEditTool != null)
{
oldEditTool.FirstMouseDownPositionConfirmed -= NewEditTool_FirstMouseDownPositionConfirmed;
oldEditTool.SecondMouseDownPositionConfirmed -= NewEditTool_SecondMouseDownPositionConfirmed;
oldEditTool.AngleCreated -= NewEditTool_AngleCreated;
}
CommandOutputService.WriteLine(LanguageService.FindResourceString(EditToolTip_EndText_AngleMeasure));
}
public void Handle(CanvasEditToolChangedEventArgs args)
{
if (args.EventArgs.OldValue is TEditTool oldEditTool)
{
HandleOldEditTool(args, oldEditTool);
}
if (args.EventArgs.NewValue is TEditTool newEditTool)
{
HandleNewEditTool(args, newEditTool);
}
}
private void EditTool_Loaded(CanvasEditToolChangedEventArgs args)
{
var metaData = _mefEditToolProviders.FirstOrDefault(p => p.Value.ValidateFromThis(args.EventArgs.NewValue))?.Metadata;
if (metaData != null)
{
Text = _statusBarText_CurrentEditTool + LanguageService.FindResourceString(metaData.EditToolLanguageKey);
}
else
{
Text = _statusBarText_CurrentEditTool;
}
}
public void Handle(CanvasEditToolChangedEventArgs args)
{
var newEditTool = args.EventArgs.NewValue;
var oldEditTool = args.EventArgs.OldValue;
if (newEditTool != null)
{
newEditTool.CanvasPreviewMouseDown += EditTool_CanvasPreviewMouseDown;
}
if (oldEditTool != null)
{
oldEditTool.CanvasPreviewMouseDown -= EditTool_CanvasPreviewMouseDown;
}
}
protected override void HandleOldEditTool(CanvasEditToolChangedEventArgs args, CopyEditTool oldEditTool)
{
CommandOutputService.WriteLine(LanguageService.FindResourceString(Constants.EditToolTip_EndText_Copy));
}
private void CanvasEditToolChanged(CanvasEditToolChangedEventArgs e)
{
_commitEditCommand.RaiseCanExecuteChanged();
}
/// <summary>
/// 当当前工具变更为复制工具后,进行对应的UI响应(输出响应等);
/// </summary>
protected override void HandleNewEditTool(CanvasEditToolChangedEventArgs args, MoveEditTool newEditTool)
{
CommandOutputService.WriteLine(LanguageService.FindResourceString(Constants.EditToolTip_BeginText_Move));
}
/// <summary> /// 处理旧的编辑工具; /// </summary> /// <param name="args"></param> /// <param name="oldEditTool"></param> protected abstract void HandleOldEditTool(CanvasEditToolChangedEventArgs args, TEditTool oldEditTool);