-/*******************************************************************************\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.widgets;\r
-\r
-import java.util.List;\r
-import java.util.concurrent.CopyOnWriteArrayList;\r
-\r
-import org.eclipse.swt.events.ModifyListener;\r
-import org.eclipse.swt.widgets.Composite;\r
-import org.eclipse.swt.widgets.Control;\r
-import org.eclipse.swt.widgets.Display;\r
-import org.simantics.Simantics;\r
-import org.simantics.browsing.ui.swt.widgets.impl.Widget;\r
-import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.common.request.ParametrizedRead;\r
-import org.simantics.db.common.request.UniqueRead;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.management.ISessionContext;\r
-import org.simantics.db.procedure.Listener;\r
-import org.simantics.utils.datastructures.Pair;\r
-\r
-public class Combo2 extends WidgetImpl {\r
-\r
- private WidgetSupport support;\r
- private final CopyOnWriteArrayList<ModifyListener> modifyListeners = new CopyOnWriteArrayList<ModifyListener>();\r
- private List<Pair<String, Object>> itemList;\r
-\r
- final private Display display;\r
- final private org.eclipse.swt.widgets.Combo combo;\r
-\r
- public Combo2(Composite parent, WidgetSupport support, int style) {\r
- super(support);\r
- this.display = parent.getDisplay();\r
- combo = new org.eclipse.swt.widgets.Combo(parent, style);\r
- combo.setData("org.simantics.browsing.ui.widgets.Combo", this);\r
- support.register(this);\r
- }\r
-\r
- public void setAvailable(List<Pair<String, Object>> items) {\r
-\r
- itemList = items;\r
- for(ModifyListener listener : modifyListeners) combo.removeModifyListener(listener);\r
- combo.setData(items);\r
- combo.clearSelection();\r
- try {\r
- combo.removeAll();\r
- } catch (Throwable t) {\r
- t.printStackTrace();\r
- }\r
- if (items != null) {\r
- int index = 0;\r
- for(Pair<String, Object> key : items) {\r
- combo.add(key.first);\r
- combo.setData(key.first, index++);\r
- }\r
- String selectionKey = (String)combo.getData("_SelectionKey");\r
- if(selectionKey != null) {\r
- Integer selectionIndex = (Integer)combo.getData(selectionKey);\r
- if(selectionIndex != null) combo.select(selectionIndex);\r
- }\r
- }\r
- for(ModifyListener listener : modifyListeners) combo.addModifyListener(listener);\r
- \r
- }\r
- \r
- public <T> void setAvailable(final ParametrizedRead<T, List<Pair<String, Object>>> read) {\r
- \r
- Simantics.getSession().async(new UniqueRead<List<Pair<String, Object>>>() {\r
-\r
- @Override\r
- public List<Pair<String, Object>> perform(ReadGraph graph) throws DatabaseException {\r
- T input = support.getInput(graph);\r
- return graph.syncRequest(read.get(input));\r
- }\r
- \r
- }, new Listener<List<Pair<String, Object>>>() {\r
-\r
- @Override\r
- public void exception(Throwable t) {\r
- t.printStackTrace();\r
- }\r
-\r
- @Override\r
- public void execute(final List<Pair<String, Object>> items) {\r
- if(isDisposed()) return;\r
- display.asyncExec(new Runnable() {\r
-\r
- @Override\r
- public void run() {\r
- if(isDisposed()) return;\r
- itemList = items;\r
- for(ModifyListener listener : modifyListeners) combo.removeModifyListener(listener);\r
- combo.setData(items);\r
- combo.clearSelection();\r
- try {\r
- combo.removeAll();\r
- } catch (Throwable t) {\r
- t.printStackTrace();\r
- }\r
- if (items != null) {\r
- int index = 0;\r
- for(Pair<String, Object> key : items) {\r
- combo.add(key.first);\r
- combo.setData(key.first, index++);\r
- }\r
- String selectionKey = (String)combo.getData("_SelectionKey");\r
- if(selectionKey != null) {\r
- Integer selectionIndex = (Integer)combo.getData(selectionKey);\r
- if(selectionIndex != null) combo.select(selectionIndex);\r
- }\r
- }\r
- for(ModifyListener listener : modifyListeners) combo.addModifyListener(listener);\r
- }\r
-\r
- });\r
- }\r
-\r
- @Override\r
- public boolean isDisposed() {\r
- return combo.isDisposed();\r
- }\r
-\r
- });\r
- \r
- }\r
-\r
- public void setSelection(String selectionKey) {\r
-\r
- if(selectionKey == null) return;\r
- for(ModifyListener listener : modifyListeners) combo.removeModifyListener(listener);\r
- combo.setData("_SelectionKey", selectionKey);\r
- Integer selectionIndex = (Integer)combo.getData(selectionKey);\r
- if(selectionIndex != null) combo.select(selectionIndex);\r
- for(ModifyListener listener : modifyListeners) combo.addModifyListener(listener);\r
- \r
- }\r
-\r
- public <T> void setSelection(final ParametrizedRead<T, String> read) {\r
- \r
- Simantics.getSession().async(new UniqueRead<String>() {\r
-\r
- @Override\r
- public String perform(ReadGraph graph) throws DatabaseException {\r
- T input = support.getInput(graph);\r
- return graph.syncRequest(read.get(input));\r
- }\r
- \r
- }, new Listener<String>() {\r
-\r
- @Override\r
- public void exception(Throwable t) {\r
- t.printStackTrace();\r
- }\r
-\r
- @Override\r
- public void execute(final String selectionKey) {\r
- if(isDisposed()) return;\r
- display.asyncExec(new Runnable() {\r
-\r
- @Override\r
- public void run() {\r
- if(isDisposed()) return;\r
- if(selectionKey == null) return;\r
- for(ModifyListener listener : modifyListeners) combo.removeModifyListener(listener);\r
- combo.setData("_SelectionKey", selectionKey);\r
- Integer selectionIndex = (Integer)combo.getData(selectionKey);\r
- if(selectionIndex != null) combo.select(selectionIndex);\r
- for(ModifyListener listener : modifyListeners) combo.addModifyListener(listener);\r
- }\r
-\r
- });\r
- }\r
-\r
- @Override\r
- public boolean isDisposed() {\r
- return combo.isDisposed();\r
- }\r
-\r
- });\r
- \r
- }\r
-\r
- public org.eclipse.swt.widgets.Combo getWidget() {\r
- return combo;\r
- }\r
-\r
- @Override\r
- public Control getControl() {\r
- return combo;\r
- }\r
-\r
-// private AtomicBoolean inputDisposed;\r
-\r
- @Override\r
- public void setInput(ISessionContext context, Object input) {\r
-\r
-// if (this.inputDisposed != null)\r
-// this.inputDisposed.set(true);\r
-// final AtomicBoolean inputDisposed = this.inputDisposed = new AtomicBoolean(false);\r
-\r
- if (modifyListeners != null) {\r
- for (ModifyListener listener : modifyListeners) {\r
- if(listener instanceof Widget) {\r
- ((Widget) listener).setInput(context, input);\r
- }\r
- }\r
- }\r
-\r
-// if(itemFactory != null) {\r
-// itemFactory.listen(context, input, new Listener<Map<String, Object>>() {\r
-//\r
-// @Override\r
-// public void exception(Throwable t) {\r
-// t.printStackTrace();\r
-// }\r
-//\r
-// @Override\r
-// public void execute(final Map<String, Object> items) {\r
-// if(isDisposed()) return;\r
-// display.asyncExec(new Runnable() {\r
-//\r
-// @Override\r
-// public void run() {\r
-// if(isDisposed()) return;\r
-//// System.out.println("Combo received new items: " + items.size());\r
-// for(ModifyListener listener : modifyListeners) combo.removeModifyListener(listener);\r
-// combo.setData(items);\r
-// combo.clearSelection();\r
-// try {\r
-// combo.removeAll();\r
-// } catch (Throwable t) {\r
-// t.printStackTrace();\r
-// }\r
-// int index = 0;\r
-// for(String key : items.keySet()) {\r
-//// System.out.println("-" + key);\r
-// combo.add(key);\r
-// combo.setData(key, index++);\r
-// }\r
-// String selectionKey = (String)combo.getData("_SelectionKey");\r
-// if(selectionKey != null) {\r
-// Integer selectionIndex = (Integer)combo.getData(selectionKey);\r
-// if(selectionIndex != null) combo.select(selectionIndex);\r
-// }\r
-// for(ModifyListener listener : modifyListeners) combo.addModifyListener(listener);\r
-// //label.setSize(200, 20);\r
-//// label.getParent().layout();\r
-//// label.getParent().getParent().layout();\r
-// }\r
-//\r
-// });\r
-// }\r
-//\r
-// @Override\r
-// public boolean isDisposed() {\r
-// return combo.isDisposed() || inputDisposed.get();\r
-// }\r
-//\r
-// });\r
-// }\r
-//\r
-// if(itemFactory2 != null) {\r
-// itemFactory2.listen(context, input, new Listener<List<Pair<String, Object>>>() {\r
-//\r
-// @Override\r
-// public void exception(Throwable t) {\r
-// t.printStackTrace();\r
-// }\r
-//\r
-// @Override\r
-// public void execute(final List<Pair<String, Object>> items) {\r
-// if(isDisposed()) return;\r
-// display.asyncExec(new Runnable() {\r
-//\r
-// @Override\r
-// public void run() {\r
-// if(isDisposed()) return;\r
-//// System.out.println("Combo received new items: " + items.size());\r
-// itemList = items;\r
-// for(ModifyListener listener : modifyListeners) combo.removeModifyListener(listener);\r
-// combo.setData(items);\r
-// combo.clearSelection();\r
-// try {\r
-// combo.removeAll();\r
-// } catch (Throwable t) {\r
-// t.printStackTrace();\r
-// }\r
-// if (items != null) {\r
-// int index = 0;\r
-// for(Pair<String, Object> key : items) {\r
-//// System.out.println("-" + key);\r
-// combo.add(key.first);\r
-// combo.setData(key.first, index++);\r
-// }\r
-// String selectionKey = (String)combo.getData("_SelectionKey");\r
-// if(selectionKey != null) {\r
-// Integer selectionIndex = (Integer)combo.getData(selectionKey);\r
-// if(selectionIndex != null) combo.select(selectionIndex);\r
-// }\r
-// }\r
-// for(ModifyListener listener : modifyListeners) combo.addModifyListener(listener);\r
-// //label.setSize(200, 20);\r
-//// label.getParent().layout();\r
-//// label.getParent().getParent().layout();\r
-// }\r
-//\r
-// });\r
-// }\r
-//\r
-// @Override\r
-// public boolean isDisposed() {\r
-// return combo.isDisposed() || inputDisposed.get();\r
-// }\r
-//\r
-// });\r
-// }\r
-//\r
-// if(selectionFactory != null) {\r
-// selectionFactory.listen(context, input, new Listener<String>() {\r
-//\r
-// @Override\r
-// public void exception(Throwable t) {\r
-// t.printStackTrace();\r
-// }\r
-//\r
-// @Override\r
-// public void execute(final String selectionKey) {\r
-// if(isDisposed()) return;\r
-// display.asyncExec(new Runnable() {\r
-//\r
-// @Override\r
-// public void run() {\r
-// if(isDisposed()) return;\r
-// if(selectionKey == null) return;\r
-//// System.out.println("Combo received new selection key: " + selectionKey);\r
-// for(ModifyListener listener : modifyListeners) combo.removeModifyListener(listener);\r
-// combo.setData("_SelectionKey", selectionKey);\r
-// Integer selectionIndex = (Integer)combo.getData(selectionKey);\r
-// if(selectionIndex != null) combo.select(selectionIndex);\r
-// for(ModifyListener listener : modifyListeners) combo.addModifyListener(listener);\r
-// }\r
-//\r
-// });\r
-// }\r
-//\r
-// @Override\r
-// public boolean isDisposed() {\r
-// return combo.isDisposed() || inputDisposed.get();\r
-// }\r
-//\r
-// });\r
-// }\r
-\r
- }\r
-\r
- public synchronized void addModifyListener(ModifyListener listener) {\r
- modifyListeners.add(listener);\r
- combo.addModifyListener(listener);\r
- }\r
-\r
- /**\r
- * @param index\r
- * @return\r
- * @throws IndexOutOfBoundsException if index is outside widget bounds\r
- */\r
- @SuppressWarnings("unchecked")\r
- public <T> Pair<String, T> getData(int index) {\r
-// if (itemFactory != null)\r
-// new IllegalStateException("this method is only useful when used with Combo.setItemFactory2").printStackTrace();\r
- if (index == -1)\r
- return null;\r
- return (Pair<String, T>) itemList.get(index);\r
- }\r
-\r
- /**\r
- * @return selected combo list item or <code>null</code> if no item is\r
- * selected\r
- */\r
- public <T> Pair<String, T> getSelectedData() {\r
- return getData(combo.getSelectionIndex());\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2012 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.swt.widgets;
+
+import java.util.List;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+import org.simantics.Simantics;
+import org.simantics.browsing.ui.swt.widgets.impl.Widget;
+import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.common.request.ParametrizedRead;
+import org.simantics.db.common.request.UniqueRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.management.ISessionContext;
+import org.simantics.db.procedure.Listener;
+import org.simantics.utils.datastructures.Pair;
+
+public class Combo2 extends WidgetImpl {
+
+ private WidgetSupport support;
+ private final CopyOnWriteArrayList<ModifyListener> modifyListeners = new CopyOnWriteArrayList<ModifyListener>();
+ private List<Pair<String, Object>> itemList;
+
+ final private Display display;
+ final private org.eclipse.swt.widgets.Combo combo;
+
+ public Combo2(Composite parent, WidgetSupport support, int style) {
+ super(support);
+ this.display = parent.getDisplay();
+ combo = new org.eclipse.swt.widgets.Combo(parent, style);
+ combo.setData("org.simantics.browsing.ui.widgets.Combo", this);
+ support.register(this);
+ }
+
+ public void setAvailable(List<Pair<String, Object>> items) {
+
+ itemList = items;
+ for(ModifyListener listener : modifyListeners) combo.removeModifyListener(listener);
+ combo.setData(items);
+ combo.clearSelection();
+ try {
+ combo.removeAll();
+ } catch (Throwable t) {
+ t.printStackTrace();
+ }
+ if (items != null) {
+ int index = 0;
+ for(Pair<String, Object> key : items) {
+ combo.add(key.first);
+ combo.setData(key.first, index++);
+ }
+ String selectionKey = (String)combo.getData("_SelectionKey");
+ if(selectionKey != null) {
+ Integer selectionIndex = (Integer)combo.getData(selectionKey);
+ if(selectionIndex != null) combo.select(selectionIndex);
+ }
+ }
+ for(ModifyListener listener : modifyListeners) combo.addModifyListener(listener);
+
+ }
+
+ public <T> void setAvailable(final ParametrizedRead<T, List<Pair<String, Object>>> read) {
+
+ Simantics.getSession().async(new UniqueRead<List<Pair<String, Object>>>() {
+
+ @Override
+ public List<Pair<String, Object>> perform(ReadGraph graph) throws DatabaseException {
+ T input = support.getInput(graph);
+ return graph.syncRequest(read.get(input));
+ }
+
+ }, new Listener<List<Pair<String, Object>>>() {
+
+ @Override
+ public void exception(Throwable t) {
+ t.printStackTrace();
+ }
+
+ @Override
+ public void execute(final List<Pair<String, Object>> items) {
+ if(isDisposed()) return;
+ display.asyncExec(new Runnable() {
+
+ @Override
+ public void run() {
+ if(isDisposed()) return;
+ itemList = items;
+ for(ModifyListener listener : modifyListeners) combo.removeModifyListener(listener);
+ combo.setData(items);
+ combo.clearSelection();
+ try {
+ combo.removeAll();
+ } catch (Throwable t) {
+ t.printStackTrace();
+ }
+ if (items != null) {
+ int index = 0;
+ for(Pair<String, Object> key : items) {
+ combo.add(key.first);
+ combo.setData(key.first, index++);
+ }
+ String selectionKey = (String)combo.getData("_SelectionKey");
+ if(selectionKey != null) {
+ Integer selectionIndex = (Integer)combo.getData(selectionKey);
+ if(selectionIndex != null) combo.select(selectionIndex);
+ }
+ }
+ for(ModifyListener listener : modifyListeners) combo.addModifyListener(listener);
+ }
+
+ });
+ }
+
+ @Override
+ public boolean isDisposed() {
+ return combo.isDisposed();
+ }
+
+ });
+
+ }
+
+ public void setSelection(String selectionKey) {
+
+ if(selectionKey == null) return;
+ for(ModifyListener listener : modifyListeners) combo.removeModifyListener(listener);
+ combo.setData("_SelectionKey", selectionKey);
+ Integer selectionIndex = (Integer)combo.getData(selectionKey);
+ if(selectionIndex != null) combo.select(selectionIndex);
+ for(ModifyListener listener : modifyListeners) combo.addModifyListener(listener);
+
+ }
+
+ public <T> void setSelection(final ParametrizedRead<T, String> read) {
+
+ Simantics.getSession().async(new UniqueRead<String>() {
+
+ @Override
+ public String perform(ReadGraph graph) throws DatabaseException {
+ T input = support.getInput(graph);
+ return graph.syncRequest(read.get(input));
+ }
+
+ }, new Listener<String>() {
+
+ @Override
+ public void exception(Throwable t) {
+ t.printStackTrace();
+ }
+
+ @Override
+ public void execute(final String selectionKey) {
+ if(isDisposed()) return;
+ display.asyncExec(new Runnable() {
+
+ @Override
+ public void run() {
+ if(isDisposed()) return;
+ if(selectionKey == null) return;
+ for(ModifyListener listener : modifyListeners) combo.removeModifyListener(listener);
+ combo.setData("_SelectionKey", selectionKey);
+ Integer selectionIndex = (Integer)combo.getData(selectionKey);
+ if(selectionIndex != null) combo.select(selectionIndex);
+ for(ModifyListener listener : modifyListeners) combo.addModifyListener(listener);
+ }
+
+ });
+ }
+
+ @Override
+ public boolean isDisposed() {
+ return combo.isDisposed();
+ }
+
+ });
+
+ }
+
+ public org.eclipse.swt.widgets.Combo getWidget() {
+ return combo;
+ }
+
+ @Override
+ public Control getControl() {
+ return combo;
+ }
+
+// private AtomicBoolean inputDisposed;
+
+ @Override
+ public void setInput(ISessionContext context, Object input) {
+
+// if (this.inputDisposed != null)
+// this.inputDisposed.set(true);
+// final AtomicBoolean inputDisposed = this.inputDisposed = new AtomicBoolean(false);
+
+ if (modifyListeners != null) {
+ for (ModifyListener listener : modifyListeners) {
+ if(listener instanceof Widget) {
+ ((Widget) listener).setInput(context, input);
+ }
+ }
+ }
+
+// if(itemFactory != null) {
+// itemFactory.listen(context, input, new Listener<Map<String, Object>>() {
+//
+// @Override
+// public void exception(Throwable t) {
+// t.printStackTrace();
+// }
+//
+// @Override
+// public void execute(final Map<String, Object> items) {
+// if(isDisposed()) return;
+// display.asyncExec(new Runnable() {
+//
+// @Override
+// public void run() {
+// if(isDisposed()) return;
+//// System.out.println("Combo received new items: " + items.size());
+// for(ModifyListener listener : modifyListeners) combo.removeModifyListener(listener);
+// combo.setData(items);
+// combo.clearSelection();
+// try {
+// combo.removeAll();
+// } catch (Throwable t) {
+// t.printStackTrace();
+// }
+// int index = 0;
+// for(String key : items.keySet()) {
+//// System.out.println("-" + key);
+// combo.add(key);
+// combo.setData(key, index++);
+// }
+// String selectionKey = (String)combo.getData("_SelectionKey");
+// if(selectionKey != null) {
+// Integer selectionIndex = (Integer)combo.getData(selectionKey);
+// if(selectionIndex != null) combo.select(selectionIndex);
+// }
+// for(ModifyListener listener : modifyListeners) combo.addModifyListener(listener);
+// //label.setSize(200, 20);
+//// label.getParent().layout();
+//// label.getParent().getParent().layout();
+// }
+//
+// });
+// }
+//
+// @Override
+// public boolean isDisposed() {
+// return combo.isDisposed() || inputDisposed.get();
+// }
+//
+// });
+// }
+//
+// if(itemFactory2 != null) {
+// itemFactory2.listen(context, input, new Listener<List<Pair<String, Object>>>() {
+//
+// @Override
+// public void exception(Throwable t) {
+// t.printStackTrace();
+// }
+//
+// @Override
+// public void execute(final List<Pair<String, Object>> items) {
+// if(isDisposed()) return;
+// display.asyncExec(new Runnable() {
+//
+// @Override
+// public void run() {
+// if(isDisposed()) return;
+//// System.out.println("Combo received new items: " + items.size());
+// itemList = items;
+// for(ModifyListener listener : modifyListeners) combo.removeModifyListener(listener);
+// combo.setData(items);
+// combo.clearSelection();
+// try {
+// combo.removeAll();
+// } catch (Throwable t) {
+// t.printStackTrace();
+// }
+// if (items != null) {
+// int index = 0;
+// for(Pair<String, Object> key : items) {
+//// System.out.println("-" + key);
+// combo.add(key.first);
+// combo.setData(key.first, index++);
+// }
+// String selectionKey = (String)combo.getData("_SelectionKey");
+// if(selectionKey != null) {
+// Integer selectionIndex = (Integer)combo.getData(selectionKey);
+// if(selectionIndex != null) combo.select(selectionIndex);
+// }
+// }
+// for(ModifyListener listener : modifyListeners) combo.addModifyListener(listener);
+// //label.setSize(200, 20);
+//// label.getParent().layout();
+//// label.getParent().getParent().layout();
+// }
+//
+// });
+// }
+//
+// @Override
+// public boolean isDisposed() {
+// return combo.isDisposed() || inputDisposed.get();
+// }
+//
+// });
+// }
+//
+// if(selectionFactory != null) {
+// selectionFactory.listen(context, input, new Listener<String>() {
+//
+// @Override
+// public void exception(Throwable t) {
+// t.printStackTrace();
+// }
+//
+// @Override
+// public void execute(final String selectionKey) {
+// if(isDisposed()) return;
+// display.asyncExec(new Runnable() {
+//
+// @Override
+// public void run() {
+// if(isDisposed()) return;
+// if(selectionKey == null) return;
+//// System.out.println("Combo received new selection key: " + selectionKey);
+// for(ModifyListener listener : modifyListeners) combo.removeModifyListener(listener);
+// combo.setData("_SelectionKey", selectionKey);
+// Integer selectionIndex = (Integer)combo.getData(selectionKey);
+// if(selectionIndex != null) combo.select(selectionIndex);
+// for(ModifyListener listener : modifyListeners) combo.addModifyListener(listener);
+// }
+//
+// });
+// }
+//
+// @Override
+// public boolean isDisposed() {
+// return combo.isDisposed() || inputDisposed.get();
+// }
+//
+// });
+// }
+
+ }
+
+ public synchronized void addModifyListener(ModifyListener listener) {
+ modifyListeners.add(listener);
+ combo.addModifyListener(listener);
+ }
+
+ /**
+ * @param index
+ * @return
+ * @throws IndexOutOfBoundsException if index is outside widget bounds
+ */
+ @SuppressWarnings("unchecked")
+ public <T> Pair<String, T> getData(int index) {
+// if (itemFactory != null)
+// new IllegalStateException("this method is only useful when used with Combo.setItemFactory2").printStackTrace();
+ if (index == -1)
+ return null;
+ return (Pair<String, T>) itemList.get(index);
+ }
+
+ /**
+ * @return selected combo list item or <code>null</code> if no item is
+ * selected
+ */
+ public <T> Pair<String, T> getSelectedData() {
+ return getData(combo.getSelectionIndex());
+ }
+
+}