org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/colors/TickColorDialog.java

   1 /*******************************************************************************
   2  * Copyright (c) 2010 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Patrick Tasse - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.views.colors;
  14
  15 import org.eclipse.jface.dialogs.Dialog;
  16 import org.eclipse.linuxtools.internal.tmf.ui.Messages;
  17 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.TimeGraphColorScheme;
  18 import org.eclipse.swt.SWT;
  19 import org.eclipse.swt.events.MouseAdapter;
  20 import org.eclipse.swt.events.MouseEvent;
  21 import org.eclipse.swt.events.PaintEvent;
  22 import org.eclipse.swt.events.PaintListener;
  23 import org.eclipse.swt.graphics.Color;
  24 import org.eclipse.swt.graphics.GC;
  25 import org.eclipse.swt.graphics.Point;
  26 import org.eclipse.swt.graphics.Rectangle;
  27 import org.eclipse.swt.layout.GridData;
  28 import org.eclipse.swt.layout.GridLayout;
  29 import org.eclipse.swt.widgets.Canvas;
  30 import org.eclipse.swt.widgets.Composite;
  31 import org.eclipse.swt.widgets.Control;
  32 import org.eclipse.swt.widgets.Display;
  33 import org.eclipse.swt.widgets.Shell;
  34
  35 public class TickColorDialog extends Dialog {
  36
  37     int selectedIndex = 0;
  38     Composite colorComposite;
  39
  40     TimeGraphColorScheme traceColorScheme = new TimeGraphColorScheme();
  41
  42     protected TickColorDialog(Shell shell) {
  43         super(shell);
  44         setShellStyle(getShellStyle() | SWT.MAX);
  45     }
  46
  47     /* (non-Javadoc)
  48      * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
  49      */
  50     @Override
  51     protected Control createDialogArea(Composite parent) {
  52         getShell().setText(Messages.TickColorDialog_TickColorDialogTitle);
  53         //getShell().setMinimumSize(getShell().computeSize(500, 200));
  54         Composite composite = (Composite) super.createDialogArea(parent);
  55         colorComposite = new Composite(composite, SWT.NONE);
  56         colorComposite.setLayout(new GridLayout(4, false));
  57
  58         for (int i = 0; i < 16; i++) {
  59             TickColorCanvas tickColorCanvas = new TickColorCanvas(colorComposite, SWT.NONE);
  60             tickColorCanvas.setColorIndex(i);
  61         }
  62
  63         return composite;
  64     }
  65
  66     public void setColorIndex(int colorIndex) {
  67         selectedIndex = colorIndex;
  68     }
  69
  70     public int getColorIndex() {
  71         return selectedIndex;
  72     }
  73
  74     private class TickColorCanvas extends Canvas {
  75         int colorIndex;
  76
  77         public TickColorCanvas(Composite parent, int style) {
  78             super(parent, style);
  79
  80             GridData gd = new GridData(SWT.CENTER, SWT.FILL, true, false);
  81             gd.widthHint = 40;
  82             gd.heightHint = 25;
  83             setLayoutData(gd);
  84             setBackground(traceColorScheme.getBkColor(false, false, false));
  85
  86             addPaintListener(new PaintListener() {
  87                 @Override
  88                 public void paintControl(PaintEvent e) {
  89                     e.gc.setForeground(traceColorScheme.getColor(TimeGraphColorScheme.MID_LINE));
  90                     int midy = e.y + e.height / 2;
  91                     e.gc.drawLine(e.x, midy, e.x + e.width, midy);
  92                     int midx = e.x + e.width / 2;
  93                     Rectangle rect = new Rectangle(midx - 10, e.y + 3, 0, e.height - 6);
  94                     for (int i = 1; i <= 3; i++) {
  95                         rect.x += i;
  96                         rect.width = i;
  97                         e.gc.setBackground(traceColorScheme.getColor(colorIndex));
  98                         e.gc.fillRectangle(rect);
  99                     }
 100                     for (int i = 3; i > 0; i--) {
 101                         rect.x += i + 2;
 102                         rect.width = i;
 103                         e.gc.setBackground(traceColorScheme.getColor(colorIndex));
 104                         e.gc.fillRectangle(rect);
 105                     }
 106                     if (selectedIndex == colorIndex) {
 107                         Color borderColor = Display.getDefault().getSystemColor(SWT.COLOR_BLACK);
 108                         Point p = TickColorCanvas.this.getSize();
 109                         rect = new Rectangle(0, 0, p.x - 1, p.y - 1);
 110                         GC gc = e.gc;
 111                         gc.setForeground(borderColor);
 112                         gc.drawRectangle(rect);
 113                     }
 114                 }});
 115
 116             addMouseListener(new MouseAdapter() {
 117                 @Override
 118                 public void mouseUp(MouseEvent e) {
 119                     selectedIndex = colorIndex;
 120                     colorComposite.redraw(0, 0, colorComposite.getBounds().width, colorComposite.getBounds().height, true);
 121                 }});
 122         }
 123
 124         public void setColorIndex(int index) {
 125             colorIndex = index;
 126         }
 127     }
 128
 129
 130 }