source: branches/HeuristicLab.Problems.GrammaticalOptimization/DynamicDataDisplay/Plotter2D.cs @ 12830

using System;
using System.Windows.Controls;
using System.Windows.Media;
using Microsoft.Research.DynamicDataDisplay.DataSources;
using Microsoft.Research.DynamicDataDisplay.Filters;
using Microsoft.Research.DynamicDataDisplay.PointMarkers;
using System.ComponentModel.Design.Serialization;
using System.ComponentModel;
using System.Windows;
using Microsoft.Research.DynamicDataDisplay.Common;
using System.Collections.Generic;
using Microsoft.Research.DynamicDataDisplay.ViewportConstraints;
using System.Diagnostics;

namespace Microsoft.Research.DynamicDataDisplay
{
  /// <summary>Control for plotting 2d images</summary>
  public class Plotter2D : Plotter
  {
    /// <summary>
    /// Initializes a new instance of the <see cref="Plotter2D"/> class.
    /// </summary>
    public Plotter2D()
      : base(PlotterLoadMode.Normal)
    {
      InitViewport();
    }

    private void InitViewport()
    {
      viewportPanel = new Canvas();
      Grid.SetColumn(viewportPanel, 1);
      Grid.SetRow(viewportPanel, 1);

      viewport = new Viewport2D(viewportPanel, this);
      if (LoadMode != PlotterLoadMode.Empty)
      {
        MainGrid.Children.Add(viewportPanel);
      }
    }

    protected Plotter2D(PlotterLoadMode loadMode)
      : base(loadMode)
    {
      if (loadMode != PlotterLoadMode.Empty)
      {
        InitViewport();
      }
    }

    private Panel viewportPanel;
    /// <summary>
    /// Gets or sets the panel, which contains viewport.
    /// </summary>
    /// <value>The viewport panel.</value>
    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
    public Panel ViewportPanel
    {
      get { return viewportPanel; }
      protected set { viewportPanel = value; }
    }

    private Viewport2D viewport;
    private Viewport2dDeferredPanningProxy deferredPanningProxy;

    protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
    {
      base.OnRenderSizeChanged(sizeInfo);
    }

    /// <summary>
    /// Gets the viewport.
    /// </summary>
    /// <value>The viewport.</value>
    [NotNull]
    public Viewport2D Viewport
    {
      get
      {
        bool useDeferredPanning = false;
        if (CurrentChild != null)
        {
          DependencyObject dependencyChild = CurrentChild as DependencyObject;
          if (dependencyChild != null)
          {
            useDeferredPanning = Viewport2D.GetUseDeferredPanning(dependencyChild);
          }
        }

        if (useDeferredPanning)
        {
          if (deferredPanningProxy == null)
          {
            deferredPanningProxy = new Viewport2dDeferredPanningProxy(viewport);
          }
          return deferredPanningProxy;
        }

        return viewport;
      }
      protected set { viewport = value; }
    }

    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
    public double ViewportClipToBoundsEnlargeFactor
    {
      get { return viewport.ClipToBoundsEnlargeFactor; }
      set { viewport.ClipToBoundsEnlargeFactor = value; }
    }

    /// <summary>
    /// Gets or sets the data transform.
    /// </summary>
    /// <value>The data transform.</value>
    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
    public DataTransform DataTransform
    {
      get { return viewport.Transform.DataTransform; }
      set { viewport.Transform = viewport.Transform.WithDataTransform(value); }
    }

    /// <summary>
    /// Gets or sets the transform.
    /// </summary>
    /// <value>The transform.</value>
    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
    public CoordinateTransform Transform
    {
      get { return viewport.Transform; }
      set { viewport.Transform = value; }
    }

    /// <summary>
    /// Fits to view.
    /// </summary>
    public void FitToView()
    {
      viewport.FitToView();
    }

    /// <summary>
    /// Gets or sets the visible area rectangle.
    /// </summary>
    /// <value>The visible.</value>
    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
    public DataRect Visible
    {
      get { return viewport.Visible; }
      set { viewport.Visible = value; }
    }

    /// <summary>
    /// Gets or sets the domain - maximal value of visible area.
    /// </summary>
    /// <value>The domain.</value>
    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
    public DataRect Domain
    {
      get { return viewport.Domain; }
      set { viewport.Domain = value; }
    }

    /// <summary>
    /// Gets the constraints being applied to viewport.
    /// </summary>
    /// <value>The constraints.</value>
    [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
    public ConstraintCollection Constraints
    {
      get { return viewport.Constraints; }
    }

    /// <summary>
    /// Gets the fit to view constraints being applied to viewport in 'fit to view' state.
    /// </summary>
    /// <value>The fit to view constraints.</value>
    [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
    public ConstraintCollection FitToViewConstraints
    {
      get { return viewport.FitToViewConstraints; }
    }
  }
}