bundles/org.simantics.views.swt.client/src/org/simantics/views/swt/client/base/SWTRoot.java

   1 package org.simantics.views.swt.client.base;\r
   2 \r
   3 import org.eclipse.jface.resource.JFaceResources;\r
   4 import org.eclipse.jface.resource.LocalResourceManager;\r
   5 import org.eclipse.jface.resource.ResourceManager;\r
   6 import org.eclipse.swt.widgets.Composite;\r
   7 import org.eclipse.swt.widgets.Control;\r
   8 import org.eclipse.ui.IWorkbenchSite;\r
   9 \r
  10 public class SWTRoot extends SWTParentNode implements ISWTViewNode {\r
  11 \r
  12         private static final long serialVersionUID = -3208359073385767918L;\r
  13 \r
  14         private final IWorkbenchSite site;\r
  15 \r
  16         private LocalResourceManager resourceManager;\r
  17 \r
  18         private Composite body;\r
  19 \r
  20         public SWTRoot(IWorkbenchSite site) {\r
  21                 this.site = site;\r
  22         }\r
  23 \r
  24         @Override\r
  25         public void reset() {\r
  26         }\r
  27         \r
  28         @Override\r
  29         public SWTRoot getRootNode() {\r
  30                 // This is a root node!\r
  31                 return this;\r
  32         }\r
  33 \r
  34         public ResourceManager getResourceManager() {\r
  35                 if (resourceManager == null)\r
  36                         throw new IllegalStateException("resource manager is null");\r
  37                 return resourceManager;\r
  38         }\r
  39 \r
  40         public ResourceManager peekResourceManager() {\r
  41                 return resourceManager;\r
  42         }\r
  43 \r
  44         @Override\r
  45         public Control getControl() {\r
  46                 return body;\r
  47         }\r
  48 \r
  49         @Override\r
  50         public IWorkbenchSite getSite() {\r
  51                 return site;\r
  52         }\r
  53         \r
  54         public void setFocus() {\r
  55                 body.setFocus();\r
  56         }\r
  57         \r
  58         public void setVisible(boolean value) {\r
  59                 body.setVisible(value);\r
  60         }\r
  61         \r
  62         public void createControls(Composite parent) {\r
  63                 body = parent;\r
  64                 resourceManager = new LocalResourceManager(JFaceResources.getResources(), body);\r
  65                 for(ISWTViewNode child : children.values()) child.createControls(body);\r
  66         }\r
  67         \r
  68         public Control getSingleChild() {\r
  69                 if(children.size() != 1) throw new IllegalStateException("SWTRoot should have exactly one child (has " + children.size() + ").");\r
  70                 return children.values().iterator().next().getControl();\r
  71         }\r
  72         \r
  73 }\r