bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/widgets/WidgetImpl.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.browsing.ui.swt.widgets;
  13
  14 import org.eclipse.swt.graphics.Color;
  15 import org.eclipse.swt.graphics.Font;
  16 import org.eclipse.swt.widgets.Control;
  17 import org.simantics.Simantics;
  18 import org.simantics.browsing.ui.swt.widgets.impl.Widget;
  19 import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;
  20 import org.simantics.db.procedure.Listener;
  21 import org.simantics.db.request.ReadInterface;
  22 import org.simantics.ui.colors.Colors;
  23
  24 abstract public class WidgetImpl implements Widget {
  25
  26         protected final WidgetSupport support;
  27
  28         public WidgetImpl(WidgetSupport support) {
  29                 this.support = support;
  30         }
  31
  32         public abstract Control getControl();
  33
  34         public void setFont(Font font) {
  35                 getControl().setFont(font);
  36         }
  37
  38         public void setBackground(Color color) {
  39                 getControl().setBackground(color);
  40         }
  41
  42     public <T> void setBackground(final ReadInterface<org.simantics.datatypes.adt.Color> read) {
  43
  44         Simantics.getSession().async(read, new Listener<org.simantics.datatypes.adt.Color>() {
  45
  46                 @Override
  47                 public void exception(Throwable t) {
  48                         t.printStackTrace();
  49                 }
  50
  51                 @Override
  52                 public void execute(final org.simantics.datatypes.adt.Color color) {
  53
  54                         if(isDisposed()) return;
  55
  56                         getControl().getDisplay().asyncExec(new Runnable() {
  57
  58                                 @Override
  59                                 public void run() {
  60                                         getControl().setBackground(Colors.swt(getControl().getDisplay(), color));
  61                                 }
  62
  63                         });
  64                 }
  65
  66                 @Override
  67                 public boolean isDisposed() {
  68                         return getControl().isDisposed();
  69                 }
  70
  71         });
  72
  73     }
  74
  75         public void setForeground(Color color) {
  76                 getControl().setForeground(color);
  77         }
  78
  79     public void setLayoutData(Object layoutData) {
  80         getControl().setLayoutData(layoutData);
  81     }
  82
  83 }