Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.swt / src / org / simantics / browsing / ui / swt / ModelledCombo.java

diff --git a/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/ModelledCombo.java b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/ModelledCombo.java
new file mode 100644 (file)
index 0000000..0c165ab
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/ModelledCombo.java
@@ -0,0 +1,114 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2012 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.browsing.ui.swt;\r
+\r
+import java.util.List;\r
+\r
+import org.eclipse.swt.SWT;\r
+import org.eclipse.swt.events.ModifyListener;\r
+import org.eclipse.swt.layout.GridData;\r
+import org.eclipse.swt.widgets.Composite;\r
+import org.eclipse.swt.widgets.Control;\r
+import org.eclipse.ui.IWorkbenchSite;\r
+import org.simantics.Simantics;\r
+import org.simantics.browsing.ui.swt.stubs.BrowsingResource;\r
+import org.simantics.browsing.ui.swt.widgets.Combo;\r
+import org.simantics.browsing.ui.swt.widgets.impl.ReadFactory;\r
+import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.management.ISessionContext;\r
+import org.simantics.db.request.Read;\r
+import org.simantics.utils.datastructures.Pair;\r
+\r
+/**\r
+ * @author Antti Villberg\r
+ */\r
+public class ModelledCombo implements ModelledControl {\r
+\r
+    final private Resource configuration;\r
+\r
+    public ModelledCombo(Resource configuration) {\r
+        this.configuration = configuration;\r
+    }\r
+\r
+    @Override\r
+    public Control create(Composite parent, IWorkbenchSite site, ISessionContext context, WidgetSupport support) throws DatabaseException {\r
+\r
+       Combo combo = new Combo(parent, support, SWT.READ_ONLY);\r
+       \r
+        GridData gridData = Simantics.getSession().syncRequest(new Read<GridData>() {\r
+\r
+            @Override\r
+            public GridData perform(ReadGraph graph) throws DatabaseException {\r
+                BrowsingResource br = BrowsingResource.getInstance(graph);\r
+                GridData data = new GridData(SWT.FILL, SWT.FILL, true, false);                \r
+                Integer span = graph.getPossibleRelatedValue(configuration, br.Control_HorizontalSpan, Bindings.INTEGER);\r
+                if(span != null) data.horizontalSpan = span;\r
+                Boolean grabExcessHorizontalSpace = graph.getPossibleRelatedValue(configuration, br.Control_HorizontalGrab, Bindings.BOOLEAN);\r
+                if(grabExcessHorizontalSpace != null) data.grabExcessHorizontalSpace = grabExcessHorizontalSpace;\r
+                return data;\r
+            }\r
+\r
+        });\r
+       \r
+        combo.setLayoutData(gridData);\r
+\r
+        ReadFactory<?, List<Pair<String, Object>>> available = Simantics.getSession().syncRequest(new Read<ReadFactory<?, List<Pair<String, Object>>>>() {\r
+\r
+            @SuppressWarnings("unchecked")\r
+            @Override\r
+            public ReadFactory<?, List<Pair<String, Object>>> perform(ReadGraph graph) throws DatabaseException {\r
+                BrowsingResource br = BrowsingResource.getInstance(graph);\r
+                Resource factory = graph.getPossibleObject(configuration, br.Combo_AvailableItems);\r
+                return graph.adapt(factory, ReadFactory.class);\r
+            }\r
+\r
+        });\r
+\r
+        //System.err.println("ModelledCombo: items = " + available);\r
+\r
+        combo.setItemFactory2(available);\r
+\r
+        ReadFactory<?, String> selected = Simantics.getSession().syncRequest(new Read<ReadFactory<?, String>>() {\r
+\r
+            @SuppressWarnings("unchecked")\r
+            @Override\r
+            public ReadFactory<?, String> perform(ReadGraph graph) throws DatabaseException {\r
+                BrowsingResource br = BrowsingResource.getInstance(graph);\r
+                Resource factory = graph.getPossibleObject(configuration, br.Combo_SelectedItem);\r
+                return graph.adapt(factory, ReadFactory.class);\r
+            }\r
+\r
+        });\r
+\r
+        combo.setSelectionFactory(selected);\r
+\r
+        ModifyListener modifier = Simantics.getSession().syncRequest(new Read<ModifyListener>() {\r
+\r
+            @Override\r
+            public ModifyListener perform(ReadGraph graph) throws DatabaseException {\r
+                BrowsingResource br = BrowsingResource.getInstance(graph);\r
+                Resource factory = graph.getPossibleObject(configuration, br.Combo_Modifier);\r
+                return graph.adapt(factory, ModifyListener.class);\r
+            }\r
+\r
+        });\r
+\r
+        combo.addModifyListener(modifier);\r
+\r
+        return combo.getWidget();\r
+    }\r
+\r
+}\r