bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/ModelledComposite.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;\r
  13 \r
  14 import java.util.Collections;\r
  15 import java.util.List;\r
  16 \r
  17 import org.eclipse.jface.layout.GridLayoutFactory;\r
  18 import org.eclipse.swt.SWT;\r
  19 import org.eclipse.swt.layout.GridData;\r
  20 import org.eclipse.swt.layout.GridLayout;\r
  21 import org.eclipse.swt.widgets.Composite;\r
  22 import org.eclipse.swt.widgets.Layout;\r
  23 import org.eclipse.ui.IWorkbenchSite;\r
  24 import org.simantics.Simantics;\r
  25 import org.simantics.browsing.ui.swt.stubs.BrowsingResource;\r
  26 import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;\r
  27 import org.simantics.databoard.Bindings;\r
  28 import org.simantics.db.ReadGraph;\r
  29 import org.simantics.db.Resource;\r
  30 import org.simantics.db.common.primitiverequest.PossibleAdapter;\r
  31 import org.simantics.db.common.utils.OrderedSetUtils;\r
  32 import org.simantics.db.exception.DatabaseException;\r
  33 import org.simantics.db.management.ISessionContext;\r
  34 import org.simantics.db.request.Read;\r
  35 \r
  36 public class ModelledComposite implements ModelledControl {\r
  37 \r
  38         final private Resource configuration;\r
  39         \r
  40         public ModelledComposite(Resource configuration) {\r
  41                 this.configuration = configuration;\r
  42         }\r
  43         \r
  44         @Override\r
  45         public Composite create(Composite parent, IWorkbenchSite site, ISessionContext context, WidgetSupport support) throws DatabaseException {\r
  46                 \r
  47         Composite composite = new Composite(parent, SWT.NONE);\r
  48                 composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));\r
  49 \r
  50                 Layout layout = Simantics.getSession().syncRequest(new Read<Layout>() {\r
  51 \r
  52                         @Override\r
  53                         public Layout perform(ReadGraph graph) throws DatabaseException {\r
  54 \r
  55                                 BrowsingResource br = BrowsingResource.getInstance(graph);\r
  56                                 Integer columns = graph.getPossibleRelatedValue(configuration, br.Composite_ColumnCount, Bindings.INTEGER);\r
  57                                 \r
  58                                 GridLayout layout = GridLayoutFactory.fillDefaults().numColumns(1).equalWidth(false).margins(0, 0).spacing(0, 0).create();\r
  59                                 if(columns != null) layout.numColumns = columns;\r
  60                                 \r
  61                                 return layout;\r
  62                                 \r
  63                         }\r
  64                         \r
  65                 });\r
  66                 \r
  67                 composite.setLayout(layout);\r
  68                 \r
  69 //              GridLayoutFactory.fillDefaults().numColumns(1).equalWidth(true).margins(0, 0).spacing(0, 0).applyTo(composite);\r
  70                 \r
  71                 List<Resource> children = Simantics.getSession().syncRequest(new Read<List<Resource>>() {\r
  72 \r
  73                         @Override\r
  74                         public List<Resource> perform(ReadGraph graph) throws DatabaseException {\r
  75                                 BrowsingResource br = BrowsingResource.getInstance(graph);\r
  76                                 Resource tabList = graph.getPossibleObject(configuration, br.Composite_Children);\r
  77                                 if(tabList == null) return Collections.emptyList();\r
  78                                 return OrderedSetUtils.toList(graph, tabList);\r
  79                         }\r
  80                         \r
  81                 });\r
  82 \r
  83                 for(final Resource child : children) {\r
  84 \r
  85                         ModelledControl control = Simantics.getSession().syncRequest(new PossibleAdapter<ModelledControl>(child, ModelledControl.class));                       \r
  86                         control.create(composite, site, context, support);\r
  87                         \r
  88                 }\r
  89 \r
  90                 return composite;\r
  91                 \r
  92         }\r
  93         \r
  94 }\r