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