Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.views.swt.client / src / org / simantics / views / swt / client / impl / SWTCombo.java

diff --git a/bundles/org.simantics.views.swt.client/src/org/simantics/views/swt/client/impl/SWTCombo.java b/bundles/org.simantics.views.swt.client/src/org/simantics/views/swt/client/impl/SWTCombo.java
new file mode 100644 (file)
index 0000000..75a2fe5
--- /dev/null
+++ b/bundles/org.simantics.views.swt.client/src/org/simantics/views/swt/client/impl/SWTCombo.java
@@ -0,0 +1,96 @@
+package org.simantics.views.swt.client.impl;\r
+\r
+import java.util.List;\r
+\r
+import org.eclipse.swt.events.ModifyEvent;\r
+import org.eclipse.swt.events.ModifyListener;\r
+import org.eclipse.swt.widgets.Combo;\r
+import org.eclipse.swt.widgets.Composite;\r
+import org.simantics.scl.runtime.tuple.Tuple;\r
+\r
+public class SWTCombo extends SWTComboBase<Combo> {\r
+       \r
+       private static final long serialVersionUID = 3355806440902480450L;\r
+\r
+       private final ModifyListener listener = new ModifyListener() {\r
+\r
+               @Override\r
+               public void modifyText(ModifyEvent e) {\r
+                       \r
+                       int selectionIndex = control.getSelectionIndex();\r
+                       if (selectionIndex == -1)\r
+                           return;\r
+\r
+                       String[] items = control.getItems();\r
+                       \r
+                       String key = items[selectionIndex];\r
+                       \r
+                       if(modifier != null)\r
+                               modifier.apply(key);\r
+                       \r
+                       selected = key;\r
+                       \r
+               }\r
+               \r
+       };\r
+       \r
+       @Override\r
+       public void createControls(Composite parent) {\r
+               \r
+               control = new Combo(parent, style);\r
+               // Must initially add modifylistener before invoking setProperties\r
+               // since setProperties will invoke synchronize*-methods, which do\r
+               // removeModifyListener + addModifyListener. Otherwise modify listener\r
+               // would get added twice to the control.\r
+               control.addModifyListener(listener);\r
+               \r
+               setProperties();\r
+               \r
+       }\r
+       \r
+       public void synchronizeAvailable(List<Tuple> available) {\r
+               \r
+               if(available != null) {\r
+                       \r
+               control.removeModifyListener(listener);\r
+               control.setData(available);\r
+               control.clearSelection();\r
+               try {\r
+                       control.removeAll();\r
+               } catch (Throwable t) {\r
+                   t.printStackTrace();\r
+               }\r
+               if (available != null) {\r
+                   int index = 0;\r
+                   for(Tuple key : available) {\r
+                       control.add((String)key.get(0));\r
+                       control.setData((String)key.get(0), index++);\r
+                   }\r
+                   String selectionKey = (String)control.getData("_SelectionKey");\r
+                   if(selectionKey != null) {\r
+                       Integer selectionIndex = (Integer)control.getData(selectionKey);\r
+                       if(selectionIndex != null) control.select(selectionIndex);\r
+                   }\r
+               }\r
+               control.addModifyListener(listener);\r
+                       \r
+//                     // This seems to be necessary for correct size computations\r
+//                     widget.getControl().getParent().layout(true);\r
+               }\r
+       }\r
+\r
+       public void synchronizeSelected(String selected) {\r
+               \r
+               if(selected != null) {\r
+                       \r
+               control.removeModifyListener(listener);\r
+               control.setData("_SelectionKey", selected);\r
+               Integer selectionIndex = (Integer)control.getData(selected);\r
+               if(selectionIndex != null) control.select(selectionIndex);\r
+               control.addModifyListener(listener);\r
+                               \r
+               }\r
+               \r
+       }\r
+       \r
+}\r