| 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.IGC; |
| 16 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.preferences.ISDPreferences; |
| 17 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.preferences.SDViewPref; |
| 18 | |
| 19 | /** |
| 20 | * <p> |
| 21 | * It is the UML2 stop graphical representation in the sequence diagram viewer. |
| 22 | * This draw a cross on the lifeline. The stop y coordinate depend on the event occurrence when it appears. |
| 23 | * A stop is never drawn it is assigned to a lifeline. |
| 24 | * </p> |
| 25 | * |
| 26 | * @version 1.0 |
| 27 | * @author sveyrier |
| 28 | */ |
| 29 | public class Stop extends GraphNode { |
| 30 | |
| 31 | // ------------------------------------------------------------------------ |
| 32 | // Constants |
| 33 | // ------------------------------------------------------------------------ |
| 34 | /** |
| 35 | * The graphNode ID |
| 36 | */ |
| 37 | public static final String STOP = "STOP"; //$NON-NLS-1$ |
| 38 | |
| 39 | // ------------------------------------------------------------------------ |
| 40 | // Attributes |
| 41 | // ------------------------------------------------------------------------ |
| 42 | /** |
| 43 | * The owning lifeline on which the stop appears |
| 44 | */ |
| 45 | protected Lifeline fLifeline = null; |
| 46 | /** |
| 47 | * This basically represents the time when the stop occurs on the owning Lifeline |
| 48 | * |
| 49 | * @see Lifeline Lifeline for more event occurence details |
| 50 | */ |
| 51 | protected int fEventOccurrence = 0; |
| 52 | |
| 53 | // ------------------------------------------------------------------------ |
| 54 | // Methods |
| 55 | // ------------------------------------------------------------------------ |
| 56 | |
| 57 | @Override |
| 58 | public int getX() { |
| 59 | if (fLifeline == null) { |
| 60 | return 0; |
| 61 | } |
| 62 | return fLifeline.getX() + Metrics.getLifelineWidth() / 2 - Metrics.STOP_WIDTH / 2; |
| 63 | } |
| 64 | |
| 65 | @Override |
| 66 | public int getY() { |
| 67 | if (fLifeline == null) { |
| 68 | return 0; |
| 69 | } |
| 70 | return fLifeline.getY() + fLifeline.getHeight() + (Metrics.getMessageFontHeigth() + Metrics.getMessagesSpacing()) * fEventOccurrence - Metrics.STOP_WIDTH / 2; |
| 71 | } |
| 72 | |
| 73 | @Override |
| 74 | public int getWidth() { |
| 75 | if (fLifeline == null) { |
| 76 | return 0; |
| 77 | } |
| 78 | return Metrics.STOP_WIDTH; |
| 79 | } |
| 80 | |
| 81 | @Override |
| 82 | public int getHeight() { |
| 83 | if (fLifeline == null) { |
| 84 | return 0; |
| 85 | } |
| 86 | return Metrics.STOP_WIDTH; |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Set the lifeline on which the stop must be draw |
| 91 | * |
| 92 | * @param theLifeline The the stop owing lifeline |
| 93 | */ |
| 94 | public void setLifeline(Lifeline theLifeline) { |
| 95 | fLifeline = theLifeline; |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * Set the event occurrence when this stop appears |
| 100 | * |
| 101 | * @param occurrence the eventOccurence to assign to the stop |
| 102 | */ |
| 103 | public void setEventOccurrence(int occurrence) { |
| 104 | fEventOccurrence = occurrence; |
| 105 | } |
| 106 | |
| 107 | @Override |
| 108 | public void draw(IGC context) { |
| 109 | |
| 110 | ISDPreferences pref = SDViewPref.getInstance(); |
| 111 | |
| 112 | // Set the appropriate color depending if the graph node if selected or not |
| 113 | if (fLifeline.isSelected()) { |
| 114 | context.setForeground(pref.getBackGroundColorSelection()); |
| 115 | context.setLineWidth(Metrics.SELECTION_LINE_WIDTH); |
| 116 | int lastWidth = context.getLineWidth(); |
| 117 | context.setLineWidth(9); |
| 118 | // Draw a cross on the lifeline |
| 119 | context.drawLine(getX(), getY(), getX() + getWidth(), getY() + getHeight()); |
| 120 | context.drawLine(getX() + getWidth(), getY(), getX(), getY() + getHeight()); |
| 121 | // restore the context |
| 122 | context.setLineWidth(lastWidth); |
| 123 | context.setBackground(pref.getBackGroundColorSelection()); |
| 124 | context.setForeground(pref.getForeGroundColorSelection()); |
| 125 | } else { |
| 126 | context.setBackground(pref.getBackGroundColor(ISDPreferences.PREF_LIFELINE)); |
| 127 | context.setForeground(pref.getForeGroundColor(ISDPreferences.PREF_LIFELINE)); |
| 128 | } |
| 129 | int lastWidth = context.getLineWidth(); |
| 130 | context.setLineWidth(3); |
| 131 | // Draw a cross on the lifeline |
| 132 | context.drawLine(getX(), getY(), getX() + getWidth(), getY() + getHeight()); |
| 133 | context.drawLine(getX() + getWidth(), getY(), getX(), getY() + getHeight()); |
| 134 | // restore the context |
| 135 | context.setLineWidth(lastWidth); |
| 136 | } |
| 137 | |
| 138 | @Override |
| 139 | public String getArrayId() { |
| 140 | return STOP; |
| 141 | } |
| 142 | |
| 143 | @Override |
| 144 | public boolean contains(int x, int y) { |
| 145 | return false; |
| 146 | } |
| 147 | } |