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Viewing changes to external/xwt/Xwt.WPF/Xwt.WPFBackend/TreeViewDropAdorner.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/xwt/Xwt.WPF/Xwt.WPFBackend/TreeViewDropAdorner.cs
 
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//
 
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// TreeViewDropAdorner.cs
 
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//
 
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// Author:
 
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//       Eric Maupin <ermau@xamarin.com>
 
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//
 
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// Copyright (c) 2012 Xamarin, Inc.
 
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//
 
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// Permission is hereby granted, free of charge, to any person obtaining a copy
 
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// of this software and associated documentation files (the "Software"), to deal
 
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// in the Software without restriction, including without limitation the rights
 
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 
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// copies of the Software, and to permit persons to whom the Software is
 
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// furnished to do so, subject to the following conditions:
 
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//
 
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// The above copyright notice and this permission notice shall be included in
 
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// all copies or substantial portions of the Software.
 
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//
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 
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// THE SOFTWARE.
 
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using System.Windows;
 
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using System.Windows.Documents;
 
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using System.Windows.Media;
 
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using System.Windows.Shapes;
 
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namespace Xwt.WPFBackend
 
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{
 
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        public class TreeViewDropAdorner
 
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                : Adorner
 
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        {
 
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                public TreeViewDropAdorner (ExTreeViewItem item, RowDropPosition position)
 
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                        : base (item)
 
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                {
 
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                        IsHitTestVisible = false;
 
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                        double indent = ((item.Level + 1) * LevelToIndentConverter.IndentSize) + 5;
 
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                        this.shape = new System.Windows.Shapes.Rectangle();
 
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                        this.shape.Stroke = Brushes.DimGray;
 
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                        this.shape.Width = item.ActualWidth - indent;
 
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                        switch (position) {
 
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                                case RowDropPosition.Into:
 
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                                        this.shape.Height = item.ActualHeight;
 
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                                        this.shape.Margin = new Thickness (indent, 0, 0, 0);
 
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                                        this.shape.StrokeDashArray = new DoubleCollection { 1, 0, 1 };
 
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                                break;
 
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                                case RowDropPosition.Before:
 
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                                        this.shape.Height = 1;
 
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                                        this.shape.Margin = new Thickness (indent, 0, 0, 0);
 
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                                break;
 
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                                case RowDropPosition.After:
 
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                                        this.shape.Height = 1;
 
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                                        this.shape.Margin = new Thickness (indent, item.ActualHeight, 0, 0);
 
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                                break;
 
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                        }
 
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                }
 
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                private readonly Shape shape;
 
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                protected override int VisualChildrenCount
 
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                {
 
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                    get { return 1; }
 
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                }
 
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                protected override Visual GetVisualChild (int index)
 
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                {
 
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                    return this.shape;
 
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                }
 
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                protected override System.Windows.Size MeasureOverride(System.Windows.Size constraint)
 
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                {
 
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                    this.shape.Measure (constraint);
 
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                    return this.shape.DesiredSize;
 
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                }
 
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                protected override System.Windows.Size ArrangeOverride(System.Windows.Size finalSize)
 
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                {
 
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                    this.shape.Arrange (new Rect (this.shape.DesiredSize));
 
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                    return finalSize;
 
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                }
 
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        }
 
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}
 
 
b'\\ No newline at end of file'