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

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