public override void ReadExternal(IMemento memento, ExternalizeContext context)
{
base.ReadExternal(memento, context);
_font = (FontDescription)memento.ReadSerializable("Font");
_fontColor = (Color)memento.ReadSerializable("FontColor");
_foreground = (Color)memento.ReadSerializable("Foreground");
_background = (IBrushDescription)memento.ReadSerializable("Background");
_isForegroundEnabled = memento.ReadBool("IsForegroundEnabled");
_isBackgroundEnabled = memento.ReadBool("IsBackgroundEnabled");
_borderWidth = memento.ReadInt("BorderWidth");
_borderDashStyle = (DashStyle)memento.ReadSerializable("BorderDashStyle");
_minSize = (Size)memento.ReadSerializable("MinSize");
_maxSize = (Size)memento.ReadSerializable("MaxSize");
_autoSize = (AutoSizeKinds)memento.ReadSerializable("AutoSize");
_padding = (Insets)memento.ReadSerializable("Padding");
_selectionBorderColor = (Color)memento.ReadSerializable("SelectionBorderColor");
_selectionBrush = (IBrushDescription)memento.ReadSerializable("SelectionBrush");
StyledText = (StyledText)memento.ReadSerializable("StyledText");
_text = memento.ReadString("Text");
_textHorizontalAlignment =
(DataType::HorizontalAlignment)memento.ReadSerializable("TextHorizontalAlignment");
_textVerticalAlignment =
(VerticalAlignment)memento.ReadSerializable("TextVerticalAlignment");
}
private bool _showBlockBreak = false; /// transient
// ========================================
// constructor
// ========================================
public AbstractNode() : base()
{
_font = SystemFontDescriptions.DefaultFont;
_fontColor = FigureConsts.WindowTextColor;
_foreground = FigureConsts.WindowTextColor;
_background = FigureConsts.WindowBrush;
_isForegroundEnabled = true;
_isBackgroundEnabled = true;
_borderWidth = 1;
_borderDashStyle = DashStyle.Solid;
_minSize = new Size(4, 4);
_maxSize = new Size(int.MaxValue, int.MaxValue);
_autoSize = AutoSizeKinds.None;
_padding = new Insets(2);
_text = string.Empty;
_textSizeCache = Size.Empty;
_textHorizontalAlignment = DataType::HorizontalAlignment.Left;
_textVerticalAlignment = VerticalAlignment.Top;
_styledText = null;
_selectionBorderColor = FigureConsts.HighlightColor;
_selectionBrush = FigureConsts.HighlightBrush;
_fontCache = new FontCache();
_updateStyledTextDepth = 0;
_ResourceCache.RegisterResourceCreator(
FontResourceKey,
() => _font.CreateFont(),
ResourceDisposingPolicy.Explicit
);
_ResourceCache.RegisterResourceCreator(
PenResourceKey,
() => {
var ret = new Pen(_foreground, _borderWidth);
ret.DashStyle = _borderDashStyle;
return(ret);
},
ResourceDisposingPolicy.Immediate
);
_ResourceCache.RegisterResourceCreator(
BrushResourceKey,
() => _background == null? null: _background.CreateBrush(Bounds),
ResourceDisposingPolicy.Immediate
);
_ResourceCache.RegisterResourceCreator(
SelectionPenResourceKey,
() => new Pen(_selectionBorderColor),
ResourceDisposingPolicy.Immediate
);
_ResourceCache.RegisterResourceCreator(
SelectionBrushResourceKey,
() => _selectionBrush.CreateBrush(Bounds),
ResourceDisposingPolicy.Immediate
);
}
