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

   1 /**********************************************************************
   2  * Copyright (c) 2005, 2012 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     /*
  30      * (non-Javadoc)
  31      * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.AsyncMessage#getX()
  32      */
  33     @Override
  34     public int getX() {
  35         if (fStartLifeline == null) {
  36             return super.getX() + super.getWidth() - 16;
  37         }
  38         return super.getX();
  39     }
  40
  41     /*
  42      * (non-Javadoc)
  43      * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.AsyncMessage#getY()
  44      */
  45     @Override
  46     public int getY() {
  47         return super.getY() + 3;
  48     }
  49
  50     /*
  51      * (non-Javadoc)
  52      * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.AsyncMessage#getWidth()
  53      */
  54     @Override
  55     public int getWidth() {
  56         return 16;
  57     }
  58
  59     /*
  60      * (non-Javadoc)
  61      * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.AsyncMessage#drawMessage(org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IGC)
  62      */
  63     @Override
  64     protected void drawMessage(IGC context) {
  65         // temporary store the coordinates to avoid more methods calls
  66         int x = super.getX();
  67         int y = getY();
  68         int width = super.getWidth();
  69         int height = getHeight();
  70
  71         // UML2 found message (always drawn from left to right)
  72         if (fStartLifeline == null && fEndLifeline != null) {
  73             // Draw the message label above the message and centered
  74             // The label is truncated if it cannot fit between the two message end
  75             // 2*Metrics.MESSAGES_NAME_SPACING = space above the label + space below the label
  76             context.drawTextTruncatedCentred(getName(), x, y - Metrics.getMessageFontHeigth() - 2 * Metrics.MESSAGES_NAME_SPACING, width, 2 * Metrics.MESSAGES_NAME_SPACING + Metrics.getMessageFontHeigth(), !isSelected());
  77
  78             int currentStyle = context.getLineStyle();
  79             context.setLineStyle(context.getLineSolidStyle());
  80             // Draw the message main line
  81             context.drawRectangle(x + width - 5, y, x + width - 6, y + height);
  82             context.drawRectangle(x + width - 10, y, x + width - 11, y + height);
  83             context.drawRectangle(x + width - 15, y, x + width - 16, y + height);
  84             context.setLineStyle(currentStyle);
  85
  86             IColor storedColor = context.getBackground();
  87             context.setBackground(context.getForeground());
  88             context.fillRectangle(x + width - 5, y, x + width - 6, y + height);
  89             context.fillRectangle(x + width - 10, y, x + width - 11, y + height);
  90             context.fillRectangle(x + width - 15, y, x + width - 16, y + height);
  91             context.setBackground(storedColor);
  92         }
  93         // UML2 lost message (always drawn from left to right)
  94         else if (fEndLifeline == null && fStartLifeline != null) {
  95             // Draw the message label above the message and centered
  96             // The label is truncated if it cannot fit between the two message end
  97             // 2*Metrics.MESSAGES_NAME_SPACING = space above the label + space below the label
  98             context.drawTextTruncatedCentred(getName(), x, y - Metrics.getMessageFontHeigth() - 2 * Metrics.MESSAGES_NAME_SPACING, width, 2 * Metrics.MESSAGES_NAME_SPACING + Metrics.getMessageFontHeigth(), !isSelected());
  99
 100             int currentStyle = context.getLineStyle();
 101             context.setLineStyle(context.getLineSolidStyle());
 102             // Draw the message main line
 103             context.drawRectangle(x + 5, y, 1, 1);
 104             context.drawRectangle(x + 10, y, 1, 1);
 105             context.drawRectangle(x + 15, y, 1, 1);
 106
 107             context.setLineStyle(currentStyle);
 108
 109             IColor storedColor = context.getBackground();
 110             context.setBackground(context.getForeground());
 111             context.fillRectangle(x + 5, y, 1, 1);
 112             context.fillRectangle(x + 10, y, 1, 1);
 113             context.fillRectangle(x + 15, y, 1, 1);
 114
 115             context.setBackground(storedColor);
 116
 117         } else {
 118             super.draw(context);
 119         }
 120     }
 121
 122     /*
 123      * (non-Javadoc)
 124      * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.AsyncMessage#draw(org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IGC)
 125      */
 126     @Override
 127     public void draw(IGC context) {
 128         if (!isVisible()) {
 129             return;
 130         }
 131
 132         ISDPreferences pref = SDViewPref.getInstance();
 133
 134         // Draw it selected?*/
 135         if (isSelected()) {
 136
 137             /*
 138              * Draw it twice First time, bigger inverting selection colors Second time, regular drawing using selection
 139              * colors This create the highlight effect
 140              */
 141             context.setForeground(pref.getBackGroundColorSelection());
 142             context.setLineWidth(Metrics.SELECTION_LINE_WIDTH);
 143             drawMessage(context);
 144             context.setBackground(pref.getBackGroundColorSelection());
 145             context.setForeground(pref.getForeGroundColorSelection());
 146             // Second drawing is done after the else
 147         } else {
 148             context.setBackground(pref.getBackGroundColor(ISDPreferences.PREF_ASYNC_MESS));
 149             context.setForeground(pref.getForeGroundColor(ISDPreferences.PREF_ASYNC_MESS));
 150         }
 151         if (hasFocus()) {
 152             context.setDrawTextWithFocusStyle(true);
 153         }
 154         context.setLineWidth(Metrics.NORMAL_LINE_WIDTH);
 155         drawMessage(context);
 156         context.setLineWidth(Metrics.NORMAL_LINE_WIDTH);
 157         if (hasFocus()) {
 158             context.setDrawTextWithFocusStyle(false);
 159         }
 160     }
 161 }