source: branches/HeuristicLab.Problems.GrammaticalOptimization/DynamicDataDisplay/Charts/ViewportUIContainer.cs @ 13834

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Markup;
using Microsoft.Research.DynamicDataDisplay.Common;
using System.Windows.Controls;

namespace Microsoft.Research.DynamicDataDisplay.Charts
{
  [ContentProperty("Content")]
  public class ViewportUIContainer : DependencyObject, IPlotterElement
  {
    public ViewportUIContainer() { }

    public ViewportUIContainer(FrameworkElement content)
    {
      this.Content = content;
    }

    private FrameworkElement content;
    [NotNull]
    public FrameworkElement Content
    {
      get { return content; }
      set { content = value; }
    }

    #region IPlotterElement Members

    void IPlotterElement.OnPlotterAttached(Plotter plotter)
    {
      this.plotter = plotter;

      if (Content == null) return;

      var plotterPanel = GetPlotterPanel(Content);
      //Plotter.SetPlotter(Content, plotter);

      if (plotterPanel == PlotterPanel.MainCanvas)
      {
        // if all four Canvas.{Left|Right|Top|Bottom} properties are not set,
        // and as we are adding by default content to MainCanvas, 
        // and since I like more when buttons are by default in right down corner - 
        // set bottom and right to 10.
        var left = Canvas.GetLeft(content);
        var top = Canvas.GetTop(content);
        var bottom = Canvas.GetBottom(content);
        var right = Canvas.GetRight(content);

        if (left.IsNaN() && right.IsNaN() && bottom.IsNaN() && top.IsNaN())
        {
          Canvas.SetBottom(content, 10.0);
          Canvas.SetRight(content, 10.0);
        }
        plotter.MainCanvas.Children.Add(Content);
      }
    }

    void IPlotterElement.OnPlotterDetaching(Plotter plotter)
    {
      if (Content != null)
      {
        var plotterPanel = GetPlotterPanel(Content);
        //Plotter.SetPlotter(Content, null);
        if (plotterPanel == PlotterPanel.MainCanvas)
        {
          plotter.MainCanvas.Children.Remove(Content);
        }
      }

      this.plotter = null;
    }

    private Plotter plotter;
    Plotter IPlotterElement.Plotter
    {
      get { return plotter; }
    }

    #endregion

    [AttachedPropertyBrowsableForChildren]
    public static PlotterPanel GetPlotterPanel(DependencyObject obj)
    {
      return (PlotterPanel)obj.GetValue(PlotterPanelProperty);
    }

    public static void SetPlotterPanel(DependencyObject obj, PlotterPanel value)
    {
      obj.SetValue(PlotterPanelProperty, value);
    }

    public static readonly DependencyProperty PlotterPanelProperty = DependencyProperty.RegisterAttached(
      "PlotterPanel",
      typeof(PlotterPanel),
      typeof(ViewportUIContainer),
      new FrameworkPropertyMetadata(PlotterPanel.MainCanvas));
  }
}