gerrit.simantics Code Review - simantics/sysdyn.git/blob

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2011 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.sysdyn.ui.properties.widgets;\r
  13 \r
  14 import org.eclipse.jface.layout.GridDataFactory;\r
  15 import org.eclipse.jface.layout.GridLayoutFactory;\r
  16 import org.eclipse.swt.SWT;\r
  17 import org.eclipse.swt.widgets.Composite;\r
  18 import org.eclipse.swt.widgets.Control;\r
  19 import org.eclipse.swt.widgets.Group;\r
  20 import org.simantics.browsing.ui.swt.widgets.Button;\r
  21 import org.simantics.browsing.ui.swt.widgets.WidgetImpl;\r
  22 import org.simantics.browsing.ui.swt.widgets.impl.ReadFactoryImpl;\r
  23 import org.simantics.browsing.ui.swt.widgets.impl.SelectionListenerImpl;\r
  24 import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;\r
  25 import org.simantics.db.ReadGraph;\r
  26 import org.simantics.db.Resource;\r
  27 import org.simantics.db.WriteGraph;\r
  28 import org.simantics.db.exception.DatabaseException;\r
  29 import org.simantics.db.management.ISessionContext;\r
  30 import org.simantics.modeling.ModelingResources;\r
  31 import org.simantics.sysdyn.SysdynResource;\r
  32 import org.simantics.utils.datastructures.Quad;\r
  33 \r
  34 public class ValveTextLocationGroup extends WidgetImpl {\r
  35 \r
  36     Group group;\r
  37     Button top, bottom, left, right;\r
  38     \r
  39     public ValveTextLocationGroup(Composite parent, ISessionContext context, WidgetSupport support, int style) {\r
  40         super(support);\r
  41         \r
  42         group = new Group(parent, SWT.NONE);\r
  43         group.setText("Text location");\r
  44         GridDataFactory.fillDefaults().applyTo(group);\r
  45         GridLayoutFactory.fillDefaults().margins(3, 3).applyTo(group);\r
  46         \r
  47         top = new Button(group, support, SWT.RADIO);\r
  48         top.setText("Top");\r
  49         top.setSelectionFactory(new LocationSelectionFactory(top, SysdynResource.URIs.Top));\r
  50         top.addSelectionListener(new LocationSelectionListener(context, SysdynResource.URIs.Top));\r
  51         \r
  52         bottom = new Button(group, support, SWT.RADIO);\r
  53         bottom.setText("Bottom");\r
  54         bottom.setSelectionFactory(new LocationSelectionFactory(bottom, SysdynResource.URIs.Bottom, true));\r
  55         bottom.addSelectionListener(new LocationSelectionListener(context, SysdynResource.URIs.Bottom));\r
  56         \r
  57         left = new Button(group, support, SWT.RADIO);\r
  58         left.setText("Left");\r
  59         left.setSelectionFactory(new LocationSelectionFactory(left, SysdynResource.URIs.Left));\r
  60         left.addSelectionListener(new LocationSelectionListener(context, SysdynResource.URIs.Left));\r
  61         \r
  62         right = new Button(group, support, SWT.RADIO);\r
  63         right.setText("Right");\r
  64         right.setSelectionFactory(new LocationSelectionFactory(right, SysdynResource.URIs.Right));\r
  65         right.addSelectionListener(new LocationSelectionListener(context, SysdynResource.URIs.Right));\r
  66         \r
  67     }\r
  68 \r
  69     @Override\r
  70     public void setInput(ISessionContext context, Object input) {\r
  71         top.setInput(context, input);\r
  72         bottom.setInput(context, input);\r
  73         left.setInput(context, input);\r
  74         right.setInput(context, input);\r
  75     }\r
  76 \r
  77     @Override\r
  78     public Control getControl() {\r
  79         return this.group;\r
  80     }\r
  81     \r
  82     \r
  83     private class LocationSelectionFactory extends ReadFactoryImpl<Resource, Boolean> {\r
  84         \r
  85         boolean defaultSelected;\r
  86         String uri;\r
  87         Button button;\r
  88         \r
  89         public LocationSelectionFactory(Button button, String uri) {\r
  90             this(button, uri, false);\r
  91         }\r
  92 \r
  93         public LocationSelectionFactory(Button button, String uri, boolean defaultSelected) {\r
  94             this.uri = uri;\r
  95             this.defaultSelected = defaultSelected;\r
  96             this.button = button;\r
  97         }\r
  98         \r
  99         public Object getIdentity(Object inputContents) {\r
 100             return new Quad<Object, Object, Object, Class<?>>(button, uri, defaultSelected, getClass());\r
 101         }\r
 102 \r
 103         @Override\r
 104         public Boolean perform(ReadGraph graph, Resource valve) throws DatabaseException {\r
 105             SysdynResource sr = SysdynResource.getInstance(graph);\r
 106             ModelingResources mr = ModelingResources.getInstance(graph);\r
 107             if(!graph.isInstanceOf(valve, sr.Valve))\r
 108                 return Boolean.FALSE;\r
 109             \r
 110             Resource symbol = graph.getPossibleObject(valve, mr.ComponentToElement);\r
 111             if(symbol == null)\r
 112                 return Boolean.FALSE;\r
 113             \r
 114             Resource location = graph.getPossibleObject(symbol, sr.ValveSymbol_textLocation);\r
 115             \r
 116             if(location == null)\r
 117                 return defaultSelected;\r
 118             \r
 119             return location.equals(graph.getResource(uri));\r
 120         }\r
 121         \r
 122     }\r
 123     \r
 124     \r
 125     private class LocationSelectionListener extends SelectionListenerImpl<Resource> {\r
 126         \r
 127         String uri;\r
 128         \r
 129         public LocationSelectionListener(ISessionContext context, String uri) {\r
 130             super(context);\r
 131             this.uri = uri;\r
 132         }\r
 133 \r
 134         @Override\r
 135         public void apply(WriteGraph graph, Resource valve) throws DatabaseException {\r
 136             SysdynResource sr = SysdynResource.getInstance(graph);\r
 137             ModelingResources mr = ModelingResources.getInstance(graph);\r
 138             if(!graph.isInstanceOf(valve, sr.Valve))\r
 139                 return;\r
 140             \r
 141             Resource symbol = graph.getPossibleObject(valve, mr.ComponentToElement);\r
 142             if(symbol == null)\r
 143                 return;\r
 144             \r
 145             if(graph.hasStatement(symbol, sr.ValveSymbol_textLocation))\r
 146                 graph.deny(symbol, sr.ValveSymbol_textLocation);\r
 147             graph.claim(symbol, sr.ValveSymbol_textLocation, graph.getResource(uri));\r
 148         }\r
 149         \r
 150     }\r
 151 \r
 152 }\r