bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/GraphExplorerDialog.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in 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.Set;
  15
  16 import org.eclipse.jface.layout.GridDataFactory;
  17 import org.eclipse.jface.window.Window;
  18 import org.eclipse.swt.SWT;
  19 import org.eclipse.swt.widgets.Composite;
  20 import org.eclipse.swt.widgets.Shell;
  21 import org.eclipse.swt.widgets.Tree;
  22 import org.eclipse.swt.widgets.TreeItem;
  23 import org.eclipse.ui.IWorkbenchSite;
  24 import org.simantics.browsing.ui.Column;
  25 import org.simantics.browsing.ui.Column.Align;
  26 import org.simantics.browsing.ui.common.ColumnKeys;
  27 import org.simantics.browsing.ui.graph.impl.GraphInputSources;
  28 import org.simantics.browsing.ui.graph.impl.SessionContextInputSource;
  29 import org.simantics.browsing.ui.swt.widgets.GraphExplorerComposite;
  30 import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;
  31 import org.simantics.db.management.ISessionContext;
  32 import org.simantics.utils.DataContainer;
  33 import org.simantics.utils.datastructures.ArrayMap;
  34 import org.simantics.utils.datastructures.UnaryFunction;
  35
  36
  37 /*
  38  * A dialog, which contains a single graph explorer composite
  39  *
  40  * Override getBrowseContexts() to specify the graph explorer contents.
  41  *
  42  */
  43
  44 public abstract class GraphExplorerDialog implements UnaryFunction<SimanticsDialog, Shell> {
  45
  46         abstract public Set<String> getBrowseContexts();
  47
  48         Column[] getColumns() {
  49                 return new Column[] { new Column(ColumnKeys.SINGLE, Align.RIGHT, 180, "single", true, 1) };
  50         }
  51
  52         protected SessionContextInputSource getInputSource() {
  53                 return GraphInputSources.projectSource();
  54         }
  55
  56         private final String title;
  57         private final IWorkbenchSite site;
  58         private final DataContainer<Object[]> result = new DataContainer<Object[]>();
  59
  60         public GraphExplorerDialog(IWorkbenchSite site, String title) {
  61                 this.site = site;
  62                 this.title = title;
  63         }
  64
  65         class Dialog extends SimanticsDialog {
  66
  67                 private GraphExplorerComposite outputExplorer;
  68
  69                 public Dialog(Shell shell, String title) {
  70                         super(shell, title);
  71                 }
  72
  73                 @Override
  74                 protected boolean isResizable() {
  75                         return true;
  76                 }
  77
  78                 @Override
  79                 protected SessionContextInputSource getInputSource() {
  80                         return GraphExplorerDialog.this.getInputSource();
  81                 }
  82
  83                 @Override
  84                 protected void createControls(Composite body, ISessionContext context, WidgetSupport support) {
  85
  86                 outputExplorer = new GraphExplorerComposite(ArrayMap.keys("displaySelectors", "displayFilter").values(false, false), site, body, support, SWT.BORDER);
  87                 outputExplorer.setBrowseContexts(getBrowseContexts());
  88                 outputExplorer.setColumnsVisible(false);
  89                 outputExplorer.setColumns(getColumns());
  90                 outputExplorer.finish();
  91
  92                 outputExplorer.setBackground(body.getDisplay().getSystemColor(SWT.COLOR_GREEN));
  93
  94                 GridDataFactory.fillDefaults().grab(true, true).span(2, 1).minSize(300, 400).applyTo(outputExplorer);
  95
  96                 }
  97
  98                 @Override
  99                 protected void buttonPressed(int buttonId) {
 100
 101                         if(buttonId == Window.OK) {
 102
 103                                 Tree tree = (Tree)outputExplorer.getExplorerControl();
 104
 105                                 TreeItem[] selectedItems = tree.getSelection();
 106                                 Object[] res = new Object[selectedItems.length];
 107                                 for(int i=0;i<selectedItems.length;i++) {
 108                                         res[i] = selectedItems[i].getData();
 109                                 }
 110                                 result.set(res);
 111
 112                         }
 113
 114                         super.buttonPressed(buttonId);
 115
 116                 }
 117
 118                 @Override
 119                 protected Object getSelection() {
 120                         return result.get();
 121                 }
 122
 123         }
 124
 125         @Override
 126         public SimanticsDialog call(Shell shell) {
 127                 return new Dialog(shell, title);
 128         }
 129
 130
 131         public Object[] getSelection() {
 132                 return result.get();
 133         }
 134
 135 }