org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/uml2sd/core/EllipsisMessage.java

   1 /**********************************************************************
   2  * Copyright (c) 2005, 2013 IBM Corporation, Ericsson
   3  * All rights reserved.   This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM - Initial API and implementation
  10  *     Bernd Hufmann - Updated for TMF
  11  **********************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.views.uml2sd.core;
  14
  15 import org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IColor;
  16 import org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IGC;
  17 import org.eclipse.linuxtools.tmf.ui.views.uml2sd.preferences.ISDPreferences;
  18 import org.eclipse.linuxtools.tmf.ui.views.uml2sd.preferences.SDViewPref;
  19
  20 /**
  21  * Class to draw Ellipsis Message.
  22  *
  23  * @version 1.0
  24  * @author sveyrier
  25  *
  26  */
  27 public class EllipsisMessage extends AsyncMessage {
  28
  29     @Override
  30     public int getX() {
  31         if (getStartLifeline() == null) {
  32             return super.getX() + super.getWidth() - 16;
  33         }
  34         return super.getX();
  35     }
  36
  37     @Override
  38     public int getY() {
  39         return super.getY() + 3;
  40     }
  41
  42     @Override
  43     public int getWidth() {
  44         return 16;
  45     }
  46
  47     @Override
  48     protected void drawMessage(IGC context) {
  49         // temporary store the coordinates to avoid more methods calls
  50         int x = super.getX();
  51         int y = getY();
  52         int width = super.getWidth();
  53         int height = getHeight();
  54
  55         // UML2 found message (always drawn from left to right)
  56         if (getStartLifeline() == null && getEndLifeline() != null) {
  57             // Draw the message label above the message and centered
  58             // The label is truncated if it cannot fit between the two message end
  59             // 2*Metrics.MESSAGES_NAME_SPACING = space above the label + space below the label
  60             context.drawTextTruncatedCentred(getName(), x, y - Metrics.getMessageFontHeigth() - 2 * Metrics.MESSAGES_NAME_SPACING, width, 2 * Metrics.MESSAGES_NAME_SPACING + Metrics.getMessageFontHeigth(), !isSelected());
  61
  62             int currentStyle = context.getLineStyle();
  63             context.setLineStyle(context.getLineSolidStyle());
  64             // Draw the message main line
  65             context.drawRectangle(x + width - 5, y, x + width - 6, y + height);
  66             context.drawRectangle(x + width - 10, y, x + width - 11, y + height);
  67             context.drawRectangle(x + width - 15, y, x + width - 16, y + height);
  68             context.setLineStyle(currentStyle);
  69
  70             IColor storedColor = context.getBackground();
  71             context.setBackground(context.getForeground());
  72             context.fillRectangle(x + width - 5, y, x + width - 6, y + height);
  73             context.fillRectangle(x + width - 10, y, x + width - 11, y + height);
  74             context.fillRectangle(x + width - 15, y, x + width - 16, y + height);
  75             context.setBackground(storedColor);
  76         }
  77         // UML2 lost message (always drawn from left to right)
  78         else if (getEndLifeline() == null && getStartLifeline() != null) {
  79             // Draw the message label above the message and centered
  80             // The label is truncated if it cannot fit between the two message end
  81             // 2*Metrics.MESSAGES_NAME_SPACING = space above the label + space below the label
  82             context.drawTextTruncatedCentred(getName(), x, y - Metrics.getMessageFontHeigth() - 2 * Metrics.MESSAGES_NAME_SPACING, width, 2 * Metrics.MESSAGES_NAME_SPACING + Metrics.getMessageFontHeigth(), !isSelected());
  83
  84             int currentStyle = context.getLineStyle();
  85             context.setLineStyle(context.getLineSolidStyle());
  86             // Draw the message main line
  87             context.drawRectangle(x + 5, y, 1, 1);
  88             context.drawRectangle(x + 10, y, 1, 1);
  89             context.drawRectangle(x + 15, y, 1, 1);
  90
  91             context.setLineStyle(currentStyle);
  92
  93             IColor storedColor = context.getBackground();
  94             context.setBackground(context.getForeground());
  95             context.fillRectangle(x + 5, y, 1, 1);
  96             context.fillRectangle(x + 10, y, 1, 1);
  97             context.fillRectangle(x + 15, y, 1, 1);
  98
  99             context.setBackground(storedColor);
 100
 101         } else {
 102             super.draw(context);
 103         }
 104     }
 105
 106     @Override
 107     public void draw(IGC context) {
 108         if (!isVisible()) {
 109             return;
 110         }
 111
 112         ISDPreferences pref = SDViewPref.getInstance();
 113
 114         // Draw it selected?*/
 115         if (isSelected()) {
 116
 117             /*
 118              * Draw it twice First time, bigger inverting selection colors Second time, regular drawing using selection
 119              * colors This create the highlight effect
 120              */
 121             context.setForeground(pref.getBackGroundColorSelection());
 122             context.setLineWidth(Metrics.SELECTION_LINE_WIDTH);
 123             drawMessage(context);
 124             context.setBackground(pref.getBackGroundColorSelection());
 125             context.setForeground(pref.getForeGroundColorSelection());
 126             // Second drawing is done after the else
 127         } else {
 128             context.setBackground(pref.getBackGroundColor(ISDPreferences.PREF_ASYNC_MESS));
 129             context.setForeground(pref.getForeGroundColor(ISDPreferences.PREF_ASYNC_MESS));
 130         }
 131         if (hasFocus()) {
 132             context.setDrawTextWithFocusStyle(true);
 133         }
 134         context.setLineWidth(Metrics.NORMAL_LINE_WIDTH);
 135         drawMessage(context);
 136         context.setLineWidth(Metrics.NORMAL_LINE_WIDTH);
 137         if (hasFocus()) {
 138             context.setDrawTextWithFocusStyle(false);
 139         }
 140     }
 141 }