bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/color/ColorDialog.java

   1 package org.simantics.utils.ui.color;
   2
   3 import org.eclipse.jface.dialogs.Dialog;
   4 import org.eclipse.jface.layout.GridDataFactory;
   5 import org.eclipse.jface.layout.GridLayoutFactory;
   6 import org.eclipse.swt.SWT;
   7 import org.eclipse.swt.events.SelectionAdapter;
   8 import org.eclipse.swt.events.SelectionEvent;
   9 import org.eclipse.swt.graphics.Point;
  10 import org.eclipse.swt.layout.GridData;
  11 import org.eclipse.swt.widgets.Button;
  12 import org.eclipse.swt.widgets.Composite;
  13 import org.eclipse.swt.widgets.Control;
  14 import org.eclipse.swt.widgets.Display;
  15 import org.eclipse.swt.widgets.Group;
  16 import org.eclipse.swt.widgets.Shell;
  17
  18 public class ColorDialog extends Dialog{
  19         protected ColorComposite colorComposite;
  20         protected Color value;
  21
  22         public ColorDialog(Shell parentShell) {
  23                 super(parentShell);
  24         }
  25
  26         @Override
  27         protected void configureShell(Shell newShell) {
  28                 super.configureShell(newShell);
  29                 newShell.setText("Color");
  30         }
  31
  32
  33         public void setInitialValue(Color initialValue) {
  34                 this.value = new Color(initialValue);
  35         }
  36
  37         @Override
  38     protected Point getInitialSize() {
  39         return new Point(400, 400);
  40     }
  41
  42         @Override
  43         protected Control createDialogArea(Composite parent) {
  44                 Composite composite = new Composite(parent, SWT.NONE);
  45                 GridLayoutFactory.fillDefaults().numColumns(1).margins(6, 0).applyTo(composite);
  46                 GridDataFactory.fillDefaults().grab(true, false).align(SWT.FILL, SWT.TOP).applyTo(composite);
  47                 colorComposite = new ColorComposite(composite, 0);
  48         GridData childData = new GridData(GridData.FILL_BOTH);
  49         colorComposite.setLayoutData(childData);
  50         if (value != null)
  51                 colorComposite.setColor(value);
  52         Group builtinGroup = new Group(composite, SWT.NONE);
  53         builtinGroup.setText("System colors");
  54         GridLayoutFactory.fillDefaults().numColumns(8).spacing(2, 2).margins(4, 4).applyTo(builtinGroup);
  55         for (int i = SWT.COLOR_WHITE; i <= SWT.COLOR_DARK_GRAY; i++) {
  56                 org.eclipse.swt.graphics.Color c = Display.getCurrent().getSystemColor(i);
  57                 Color color = new Color(c.getRGB());
  58                 createColorButton(builtinGroup, color);
  59         }
  60
  61
  62         return composite;
  63         }
  64
  65         protected Button createColorButton(Composite parent, Color color) {
  66                 Button button = new Button(parent, SWT.PUSH);
  67         button.setImage(ColorIconCreator.createImage(color, 32, SWT.BORDER));
  68         button.setData(color);
  69         button.addSelectionListener(new SelectionAdapter() {
  70                 @Override
  71                 public void widgetSelected(SelectionEvent e) {
  72                         colorComposite.setColor(color);
  73                 }
  74                 });
  75         return button;
  76         }
  77
  78
  79         public Color getColor() {
  80                 return colorComposite.getColor();
  81         }
  82
  83
  84 }