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Timestamp:
03/22/11 16:45:46 (14 years ago)
Author:
mkommend
Message:

#1418: Merged trunk changes into branch.

Location:
branches/DataAnalysis Refactoring/HeuristicLab.ExtLibs/HeuristicLab.Netron/3.0.2672.12446/Netron.Diagramming.Core-3.0.2672.12446
Files:
2 edited

Legend:

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  • branches/DataAnalysis Refactoring/HeuristicLab.ExtLibs/HeuristicLab.Netron/3.0.2672.12446/Netron.Diagramming.Core-3.0.2672.12446/Core/ControllerBase.cs

    r4068 r5796  
    154154    protected CollectionBase<IKeyboardListener> keyboardListeners;
    155155    protected CollectionBase<IDragDropListener> dragdropListeners;
    156     protected IDiagramControl parentControl;
     156    private IDiagramControl parentControl;
    157157    protected CollectionBase<ITool> registeredTools;
    158158    protected CollectionBase<IActivity> registeredActivity;
    … …  
    192192    public IDiagramControl ParentControl {
    193193      get { return parentControl; }
    194       internal set { parentControl = value; }
     194      protected internal set { parentControl = value; }
    195195    }
    196196    /// <summary>

  • branches/DataAnalysis Refactoring/HeuristicLab.ExtLibs/HeuristicLab.Netron/3.0.2672.12446/Netron.Diagramming.Core-3.0.2672.12446/Diagram elements/Connections/Connection.cs

    r3175 r5796  
    22using System.Drawing;
    33using System.Drawing.Drawing2D;
    4 namespace Netron.Diagramming.Core
    5 {
    6   /// <summary>
    7   /// Represents the connection between two connectors
    8   /// </summary>
    9   public sealed partial class Connection : ConnectionBase
    10     {
    11 
    12 
    13         // ------------------------------------------------------------------
    14         /// <summary>
    15         /// Implementation of IVersion - the current version of
    16         /// Connection.
    17         /// </summary>
    18         // ------------------------------------------------------------------
    19         private const double connectionVersion = 1.0;
    20 
    21         #region Hack for the caps
    22         private const float capslength = 0.01F;
    23         private const float standardsshift = 7F;
    24         private const float arrowshift = 0.1F;
    25         /// <summary>
    26         /// the ration between the arrow width to the line width
    27         /// </summary>
    28         private const float capsratio = 5.5F;
    29         private const float generalizationration = 2.2F;
    30         private float capsshift;       
    31         private Pen leftPen;
    32         private Pen rightPen;
    33         private PointF unitvector;
    34        
    35         #endregion
    36 
    37         #region Properties
    38 
    39         // ------------------------------------------------------------------
    40         /// <summary>
    41         /// Gets the current version.
    42         /// </summary>
    43         // ------------------------------------------------------------------
    44         public override double Version
    45         {
    46             get
    47             {
    48                 return connectionVersion;
    49             }
     4namespace Netron.Diagramming.Core {
     5  /// <summary>
     6  /// Represents the connection between two connectors
     7  /// </summary>
     8  public sealed partial class Connection : ConnectionBase {
     9
     10
     11    // ------------------------------------------------------------------
     12    /// <summary>
     13    /// Implementation of IVersion - the current version of
     14    /// Connection.
     15    /// </summary>
     16    // ------------------------------------------------------------------
     17    private const double connectionVersion = 1.0;
     18
     19    #region Hack for the caps
     20    private const float capslength = 0.01F;
     21    private const float standardsshift = 7F;
     22    private const float arrowshift = 0.1F;
     23    /// <summary>
     24    /// the ration between the arrow width to the line width
     25    /// </summary>
     26    private const float capsratio = 5.5F;
     27    private const float generalizationration = 2.2F;
     28    private float capsshift;
     29    private Pen leftPen;
     30    private Pen rightPen;
     31    private PointF unitvector;
     32
     33    #endregion
     34
     35    #region Properties
     36
     37    // ------------------------------------------------------------------
     38    /// <summary>
     39    /// Gets the current version.
     40    /// </summary>
     41    // ------------------------------------------------------------------
     42    public override double Version {
     43      get {
     44        return connectionVersion;
     45      }
     46    }
     47
     48    /// <summary>
     49    /// Gets the friendly name of the entity to be displayed in the UI
     50    /// </summary>
     51    /// <value></value>
     52    public override string EntityName {
     53      get { return "Default Connection"; }
     54    }
     55    /// <summary>
     56    /// The bounds of the paintable entity
     57    /// </summary>
     58    /// <value></value>
     59    public override Rectangle Rectangle {
     60      get {
     61        if ((From == null) || (To == null)) {
     62          return Rectangle.Empty;
    5063        }
    51 
    52         /// <summary>
    53         /// Gets the friendly name of the entity to be displayed in the UI
    54         /// </summary>
    55         /// <value></value>
    56         public override string EntityName
    57         {
    58             get { return "Default Connection"; }
    59         }
    60         /// <summary>
    61         /// The bounds of the paintable entity
    62         /// </summary>
    63         /// <value></value>
    64         public override Rectangle Rectangle
    65         {
    66             get
    67             {
    68                 if ( (From == null) || (To == null) )
    69                 {
    70                     return Rectangle.Empty;
    71                 }
    72                 return Rectangle.FromLTRB(
    73                     Math.Min(From.Point.X, To.Point.X),
    74                     Math.Min(From.Point.Y, To.Point.Y),
    75                     Math.Max(From.Point.X, To.Point.X),
    76                     Math.Max(From.Point.Y, To.Point.Y));
    77             }
    78         }
    79        
    80         #endregion
    81 
    82     #region Constructor
    83 
    84         /// <summary>
    85         /// Constructs a connection between the two given points
    86         /// </summary>
    87         /// <param name="mFrom">the starting point of the connection</param>
    88         /// <param name="mTo">the end-point of the connection</param>
    89         /// <param name="model">The model.</param>
    90     public Connection(Point mFrom, Point mTo, IModel model):base(model)
    91     {
    92       this.From = new Connector(mFrom, model);
    93       this.From.Name = "From";
    94       this.From.Parent = this;
    95       this.To = new Connector(mTo, model);
    96       this.To.Name = "To";
    97       this.To.Parent = this;
    98             PenStyle = ArtPalette.GetDefaultPenStyle();
    99     }
    100 
    101         /// <summary>
    102         /// Initializes a new instance of the <see cref="T:Connection"/> class.
    103         /// </summary>
    104         /// <param name="from">From.</param>
    105         /// <param name="to">To.</param>
    106         public Connection(Point from, Point to)
    107             : base(from, to)
    108         {
    109         }
    110 
    111         public Connection() : base(new Point(10,10), new Point(20,20)) {
    112        
    113         }
    114     #endregion
    115 
    116     #region Methods
    117 
    118     /// <summary>
    119     /// Paints the connection on the canvas.
    120     /// </summary>
    121     /// <param name="g"></param>
    122     public override void Paint(Graphics g)
    123     { 
    124             g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
    125             base.Paint(g);
    126 
    127             if (Hovered)
    128             {
    129                 g.DrawLine(ArtPalette.HighlightPen, From.Point, To.Point);
    130             }
    131             else
    132             {
    133                 g.DrawLine(mPenStyle.DrawingPen(), From.Point, To.Point);
    134             }
    135 
    136             if(ArtPalette.EnableShadows)
    137                 g.DrawLine(ArtPalette.ConnectionShadow, From.Point.X + 5, From.Point.Y + 5, To.Point.X + 5, To.Point.Y + 5);
    138 
    139             if (leftPen != null)
    140             {
    141                 g.DrawLine(leftPen, From.Point.X + capsshift * unitvector.X, From.Point.Y + capsshift * unitvector.Y, From.Point.X + (capsshift + capslength) * unitvector.X, From.Point.Y + (capsshift + capslength) * unitvector.Y);
    142             }
    143             if (rightPen != null)
    144             {
    145                 g.DrawLine(rightPen, To.Point.X - (capsshift + capslength) * unitvector.X, To.Point.Y - (capsshift + capslength) * unitvector.Y, To.Point.X - capsshift * unitvector.X, To.Point.Y - capsshift * unitvector.Y);
    146             }
    147     }
    148     /// <summary>
    149     /// Invalidates the connection
    150     /// </summary>
    151     public override void Invalidate()
    152     {
    153 
    154             float x = 0, y = 0;
    155             try
    156             {
    157                 if (To == null || From == null) return;
    158                 double length = Math.Sqrt((To.Point.X - From.Point.X) * (To.Point.X - From.Point.X) + (To.Point.Y - From.Point.Y) * (To.Point.Y - From.Point.Y));
    159                 x = Convert.ToSingle(Convert.ToDouble(To.Point.X - From.Point.X) / length);
    160                 y = Convert.ToSingle(Convert.ToDouble(To.Point.Y - From.Point.Y) / length);
    161             }
    162             catch (OverflowException exc)
    163             {
    164                 throw new InconsistencyException("So, you tried to shrink the connection too much...", exc);
    165             }
    166             unitvector = new PointF(x, y);
    167             /* the old way
    168       Rectangle f = new Rectangle(From.Point,new Size(10,10));
    169       Rectangle t = new Rectangle(To.Point,new Size(10,10));
    170       this.Invalidate(Rectangle.Union(f,t));
    171              */
    172             base.Invalidate();
    173 
    174     }
    175 
    176     /// <summary>
    177     /// Tests if the mouse hits this connection
    178     /// </summary>
    179     /// <param name="p"></param>
    180     /// <returns></returns>
    181     public override bool Hit(Point p)
    182     {
    183       Point p1,p2, s;
    184       RectangleF r1, r2;
    185       float o,u;
    186       p1 = From.Point; p2 = To.Point;
    187  
    188       // p1 must be the leftmost point.
    189       if (p1.X > p2.X) { s = p2; p2 = p1; p1 = s; }
    190 
    191       r1 = new RectangleF(p1.X, p1.Y, 0, 0);
    192       r2 = new RectangleF(p2.X, p2.Y, 0, 0);
    193       r1.Inflate(3, 3);
    194       r2.Inflate(3, 3);
    195       if (RectangleF.Union(r1, r2).Contains(p))
    196       {
     64        return Rectangle.FromLTRB(
     65            Math.Min(From.Point.X, To.Point.X),
     66            Math.Min(From.Point.Y, To.Point.Y),
     67            Math.Max(From.Point.X, To.Point.X),
     68            Math.Max(From.Point.Y, To.Point.Y));
     69      }
     70    }
     71
     72    #endregion
     73
     74    #region Constructor
     75
     76    /// <summary>
     77    /// Constructs a connection between the two given points
     78    /// </summary>
     79    /// <param name="mFrom">the starting point of the connection</param>
     80    /// <param name="mTo">the end-point of the connection</param>
     81    /// <param name="model">The model.</param>
     82    public Connection(Point mFrom, Point mTo, IModel model)
     83      : base(model) {
     84      this.From = new Connector(mFrom, model);
     85      this.From.Name = "From";
     86      this.From.Parent = this;
     87      this.To = new Connector(mTo, model);
     88      this.To.Name = "To";
     89      this.To.Parent = this;
     90      PenStyle = ArtPalette.GetDefaultPenStyle();
     91    }
     92
     93    /// <summary>
     94    /// Initializes a new instance of the <see cref="T:Connection"/> class.
     95    /// </summary>
     96    /// <param name="from">From.</param>
     97    /// <param name="to">To.</param>
     98    public Connection(Point from, Point to)
     99      : base(from, to) {
     100    }
     101
     102    public Connection()
     103      : base(new Point(10, 10), new Point(20, 20)) {
     104
     105    }
     106    #endregion
     107
     108    #region Methods
     109
     110    /// <summary>
     111    /// Paints the connection on the canvas.
     112    /// </summary>
     113    /// <param name="g"></param>
     114    public override void Paint(Graphics g) {
     115      g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
     116      base.Paint(g);
     117
     118      if (Hovered) {
     119        g.DrawLine(ArtPalette.HighlightPen, From.Point, To.Point);
     120      } else {
     121        g.DrawLine(mPenStyle.DrawingPen(), From.Point, To.Point);
     122      }
     123
     124      if (ArtPalette.EnableShadows)
     125        g.DrawLine(ArtPalette.ConnectionShadow, From.Point.X + 5, From.Point.Y + 5, To.Point.X + 5, To.Point.Y + 5);
     126
     127      if (leftPen != null) {
     128        g.DrawLine(leftPen, From.Point.X + capsshift * unitvector.X, From.Point.Y + capsshift * unitvector.Y, From.Point.X + (capsshift + capslength) * unitvector.X, From.Point.Y + (capsshift + capslength) * unitvector.Y);
     129      }
     130      if (rightPen != null) {
     131        g.DrawLine(rightPen, To.Point.X - (capsshift + capslength) * unitvector.X, To.Point.Y - (capsshift + capslength) * unitvector.Y, To.Point.X - capsshift * unitvector.X, To.Point.Y - capsshift * unitvector.Y);
     132      }
     133    }
     134    /// <summary>
     135    /// Invalidates the connection
     136    /// </summary>
     137    public override void Invalidate() {
     138
     139      float x = 0, y = 0;
     140      try {
     141        if (To == null || From == null) return;
     142        double length = Math.Sqrt((To.Point.X - From.Point.X) * (To.Point.X - From.Point.X) + (To.Point.Y - From.Point.Y) * (To.Point.Y - From.Point.Y));
     143        x = Convert.ToSingle(Convert.ToDouble(To.Point.X - From.Point.X) / length);
     144        y = Convert.ToSingle(Convert.ToDouble(To.Point.Y - From.Point.Y) / length);
     145      }
     146      catch (OverflowException exc) {
     147        throw new InconsistencyException("So, you tried to shrink the connection too much...", exc);
     148      }
     149      unitvector = new PointF(x, y);
     150      /* the old way
     151Rectangle f = new Rectangle(From.Point,new Size(10,10));
     152Rectangle t = new Rectangle(To.Point,new Size(10,10));
     153this.Invalidate(Rectangle.Union(f,t));
     154       */
     155      base.Invalidate();
     156
     157    }
     158
     159    /// <summary>
     160    /// Tests if the mouse hits this connection
     161    /// </summary>
     162    /// <param name="p"></param>
     163    /// <returns></returns>
     164    public override bool Hit(Point p) {
     165      Point p1, p2, s;
     166      RectangleF r1, r2;
     167      p1 = From.Point; p2 = To.Point;
     168
     169      // p1 must be the leftmost point.
     170      if (p1.X > p2.X) { s = p2; p2 = p1; p1 = s; }
     171
     172      r1 = new RectangleF(p1.X, p1.Y, 0, 0);
     173      r2 = new RectangleF(p2.X, p2.Y, 0, 0);
     174      r1.Inflate(3, 3);
     175      r2.Inflate(3, 3);
     176      if (RectangleF.Union(r1, r2).Contains(p)) {
    197177        PointF connectionVector = new PointF(p2.X - p1.X, p2.Y - p1.Y);
    198178        PointF normalVector = new PointF(connectionVector.Y, connectionVector.X * -1);
    … …  
    203183
    204184        return distance < 5;
    205       }
    206       return false;
    207     }
    208 
    209     /// <summary>
    210     /// Moves the connection with the given shift
    211     /// </summary>
    212     /// <param name="p"></param>
    213     public override void MoveBy(Point p)
    214     {
    215             if (From.AttachedTo != null || To.AttachedTo != null) return;
    216 
    217             Rectangle rec = this.Rectangle;
    218             rec.Inflate(20, 20);
    219             this.From.MoveBy(p);
    220             this.To.MoveBy(p);           
    221             this.Invalidate();
    222             this.Invalidate(rec);
    223     }
    224         /// <summary>
    225         /// Updates pens and brushes.
    226         /// <remarks>The .Net API allows you to simply set caps but the visual results are less than satisfactory, to say the least. So, there is
    227         /// a hack here (unfortunately) which amounts to use two pen for one connection; one pen for the line and one for the (custom) cap. This is
    228         /// the easiest way to have visible arrow which otherwise is miniaturistic. There is also a custom shift of the caps since the location is sometime
    229         /// inappropriate; the arrow is drawn with the tip at the end of the connection while the diamond or circle caps are drawn with their center at the connection
    230         /// end. So, altogether a lot of tweaking and I really find it regrettable that the out-of-the-box caps are not what they should be (besides some obvious bugs like
    231         /// the 'not implemented' one if you try to fill a custom cap...).
    232         /// </remarks>
    233         /// </summary>
    234         protected override void UpdatePaintingMaterial()
    235         {
    236             base.UpdatePaintingMaterial();
    237             #region Hack
    238             //see the code comments of the LinePenStyle to understand the problem and this hack
    239             if (this.PenStyle is LinePenStyle)
    240             {
    241                
    242                 LinePenStyle lp = PenStyle as LinePenStyle;
    243                 if (lp.StartCap == System.Drawing.Drawing2D.LineCap.NoAnchor)
    244                 {                     
    245                     leftPen = null;
    246                 }
    247                 else
    248                 {
    249                    
    250 
    251                     if (lp.StartCap == System.Drawing.Drawing2D.LineCap.Custom)
    252                     {
    253                         //leftPen.StartCap = System.Drawing.Drawing2D.LineCap.Custom;
    254                         //AdjustableArrowCap ccap = new AdjustableArrowCap(lp.Width+2, lp.Width+2, true);
    255                         //leftPen.CustomStartCap = ccap;
    256                         leftPen = new Pen(lp.Color, lp.Width * generalizationration);
    257                         leftPen.CustomStartCap = LinePenStyle.GenerallizationCap; //change to something like lp.CustomStartCap if you have more than one custom cap
    258                         capsshift = standardsshift;
    259                     }
    260                     else if (lp.StartCap == LineCap.ArrowAnchor)
    261                     {
    262                         leftPen = new Pen(lp.Color, lp.Width * capsratio);
    263                         leftPen.StartCap = lp.StartCap;
    264                         capsshift = arrowshift;
    265                     }
    266                     else
    267                     {
    268                         leftPen = new Pen(lp.Color, lp.Width * capsratio);
    269                         leftPen.StartCap = lp.StartCap;
    270                         capsshift = standardsshift;
    271                     }
    272                 }
    273 
    274                 if (lp.EndCap == System.Drawing.Drawing2D.LineCap.NoAnchor)
    275                 {
    276                     rightPen = null;
    277                 }
    278                 else
    279                 {
    280                    
    281                     if (lp.EndCap == System.Drawing.Drawing2D.LineCap.Custom)
    282                     {
    283                         //leftPen.StartCap = System.Drawing.Drawing2D.LineCap.Custom;
    284                         //AdjustableArrowCap ccap = new AdjustableArrowCap(lp.Width+2, lp.Width+2, true);
    285                         //leftPen.CustomStartCap = ccap;
    286                         //rightPen = new Pen(lp.Color, lp.Width * generalizationration);                       
    287                         //rightPen.CustomEndCap = lp.CustomEndCap;
    288                         //capsshift = standardsshift;
    289                         Pen.CustomEndCap = LinePenStyle.GenerallizationCap;
    290                     }
    291 
    292                     else if (lp.EndCap == LineCap.ArrowAnchor)
    293                     {
    294                         rightPen = new Pen(lp.Color, lp.Width * capsratio);
    295                         rightPen.EndCap = lp.EndCap;
    296                         capsshift = arrowshift;
    297                     }
    298                     else
    299                     {
    300                         rightPen = new Pen(lp.Color, lp.Width * capsratio);
    301                         rightPen.EndCap = lp.EndCap;
    302                         capsshift = standardsshift;
    303                     }
    304                 }
    305 
    306             }
    307             #endregion
    308         }         
    309 
    310          
    311        
    312     #endregion
    313 
    314   }
     185      }
     186      return false;
     187    }
     188
     189    /// <summary>
     190    /// Moves the connection with the given shift
     191    /// </summary>
     192    /// <param name="p"></param>
     193    public override void MoveBy(Point p) {
     194      if (From.AttachedTo != null || To.AttachedTo != null) return;
     195
     196      Rectangle rec = this.Rectangle;
     197      rec.Inflate(20, 20);
     198      this.From.MoveBy(p);
     199      this.To.MoveBy(p);
     200      this.Invalidate();
     201      this.Invalidate(rec);
     202    }
     203    /// <summary>
     204    /// Updates pens and brushes.
     205    /// <remarks>The .Net API allows you to simply set caps but the visual results are less than satisfactory, to say the least. So, there is
     206    /// a hack here (unfortunately) which amounts to use two pen for one connection; one pen for the line and one for the (custom) cap. This is
     207    /// the easiest way to have visible arrow which otherwise is miniaturistic. There is also a custom shift of the caps since the location is sometime
     208    /// inappropriate; the arrow is drawn with the tip at the end of the connection while the diamond or circle caps are drawn with their center at the connection
     209    /// end. So, altogether a lot of tweaking and I really find it regrettable that the out-of-the-box caps are not what they should be (besides some obvious bugs like
     210    /// the 'not implemented' one if you try to fill a custom cap...).
     211    /// </remarks>
     212    /// </summary>
     213    protected override void UpdatePaintingMaterial() {
     214      base.UpdatePaintingMaterial();
     215      #region Hack
     216      //see the code comments of the LinePenStyle to understand the problem and this hack
     217      if (this.PenStyle is LinePenStyle) {
     218
     219        LinePenStyle lp = PenStyle as LinePenStyle;
     220        if (lp.StartCap == System.Drawing.Drawing2D.LineCap.NoAnchor) {
     221          leftPen = null;
     222        } else {
     223
     224
     225          if (lp.StartCap == System.Drawing.Drawing2D.LineCap.Custom) {
     226            //leftPen.StartCap = System.Drawing.Drawing2D.LineCap.Custom;
     227            //AdjustableArrowCap ccap = new AdjustableArrowCap(lp.Width+2, lp.Width+2, true);
     228            //leftPen.CustomStartCap = ccap;
     229            leftPen = new Pen(lp.Color, lp.Width * generalizationration);
     230            leftPen.CustomStartCap = LinePenStyle.GenerallizationCap; //change to something like lp.CustomStartCap if you have more than one custom cap
     231            capsshift = standardsshift;
     232          } else if (lp.StartCap == LineCap.ArrowAnchor) {
     233            leftPen = new Pen(lp.Color, lp.Width * capsratio);
     234            leftPen.StartCap = lp.StartCap;
     235            capsshift = arrowshift;
     236          } else {
     237            leftPen = new Pen(lp.Color, lp.Width * capsratio);
     238            leftPen.StartCap = lp.StartCap;
     239            capsshift = standardsshift;
     240          }
     241        }
     242
     243        if (lp.EndCap == System.Drawing.Drawing2D.LineCap.NoAnchor) {
     244          rightPen = null;
     245        } else {
     246
     247          if (lp.EndCap == System.Drawing.Drawing2D.LineCap.Custom) {
     248            //leftPen.StartCap = System.Drawing.Drawing2D.LineCap.Custom;
     249            //AdjustableArrowCap ccap = new AdjustableArrowCap(lp.Width+2, lp.Width+2, true);
     250            //leftPen.CustomStartCap = ccap;
     251            //rightPen = new Pen(lp.Color, lp.Width * generalizationration);                       
     252            //rightPen.CustomEndCap = lp.CustomEndCap;
     253            //capsshift = standardsshift;
     254            Pen.CustomEndCap = LinePenStyle.GenerallizationCap;
     255          } else if (lp.EndCap == LineCap.ArrowAnchor) {
     256            rightPen = new Pen(lp.Color, lp.Width * capsratio);
     257            rightPen.EndCap = lp.EndCap;
     258            capsshift = arrowshift;
     259          } else {
     260            rightPen = new Pen(lp.Color, lp.Width * capsratio);
     261            rightPen.EndCap = lp.EndCap;
     262            capsshift = standardsshift;
     263          }
     264        }
     265
     266      }
     267      #endregion
     268    }
     269
     270
     271
     272    #endregion
     273
     274  }
    315275}
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