Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.utils.ui / src / org / simantics / utils / ui / jface / ActionMenuItemAdapter.java

diff --git a/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/jface/ActionMenuItemAdapter.java b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/jface/ActionMenuItemAdapter.java
new file mode 100644 (file)
index 0000000..f53df94
--- /dev/null
+++ b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/jface/ActionMenuItemAdapter.java
@@ -0,0 +1,97 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 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
+/*\r
+ * Created on 5.10.2005\r
+ * @author Toni Kalajainen \r
+ */\r
+package org.simantics.utils.ui.jface;\r
+\r
+import org.eclipse.jface.action.Action;\r
+import org.eclipse.jface.util.IPropertyChangeListener;\r
+import org.eclipse.jface.util.PropertyChangeEvent;\r
+import org.eclipse.swt.SWT;\r
+import org.eclipse.swt.events.DisposeEvent;\r
+import org.eclipse.swt.events.DisposeListener;\r
+import org.eclipse.swt.events.SelectionEvent;\r
+import org.eclipse.swt.events.SelectionListener;\r
+import org.eclipse.swt.widgets.Menu;\r
+import org.eclipse.swt.widgets.MenuItem;\r
+\r
+/**\r
+ * JFace Action -> SWT's MenuItem adapter.\r
+ * <p>\r
+ * So you have a SWT's MainMenu and you want to add Actions and \r
+ * for some reason you can't use JFace MenuManager. \r
+ * This adapter "converts" Actions into MenuItems.\r
+ */\r
+public class ActionMenuItemAdapter implements SelectionListener, IPropertyChangeListener {\r
+\r
+    private final Action action;\r
+    private final MenuItem menuitem;\r
+    \r
+    public static MenuItem adapt(Action action, Menu parent, int style, int index) {\r
+        int _style = _getActionStyle(action) | style;\r
+        MenuItem mi = new MenuItem(parent, _style, index);\r
+        new ActionMenuItemAdapter(action, mi);\r
+        return mi;\r
+    }\r
+    \r
+    public static MenuItem adapt(Action action, Menu parent, int style) {\r
+        int _style = _getActionStyle(action) | style;\r
+        MenuItem mi = new MenuItem(parent, _style);\r
+        new ActionMenuItemAdapter(action, mi);\r
+        return mi;\r
+    }\r
+    \r
+    private ActionMenuItemAdapter(Action action, MenuItem menuitem) {\r
+        this.menuitem = menuitem;\r
+        this.action = action;\r
+        \r
+        menuitem.setText(action.getText());\r
+        if (action.getImageDescriptor() != null)\r
+            menuitem.setImage(action.getImageDescriptor().createImage());\r
+        menuitem.setSelection(action.isChecked());\r
+        menuitem.addSelectionListener(this);\r
+        action.addPropertyChangeListener(this);\r
+        menuitem.addDisposeListener(new DisposeListener() {\r
+            public void widgetDisposed(DisposeEvent e) {\r
+                ActionMenuItemAdapter.this.action.removePropertyChangeListener(ActionMenuItemAdapter.this);\r
+                ActionMenuItemAdapter.this.menuitem.removeDisposeListener(this);\r
+            }});\r
+    }\r
+        \r
+\r
+    private static int _getActionStyle(Action action) {\r
+        int style = SWT.PUSH;\r
+        if ((action.getStyle() & Action.AS_CHECK_BOX) > 0)\r
+            style = SWT.CHECK;\r
+        if ((action.getStyle() & Action.AS_RADIO_BUTTON) > 0)\r
+            style = SWT.RADIO;\r
+        return style;\r
+    }\r
+\r
+    public void widgetSelected(SelectionEvent e) {        \r
+        action.run();\r
+    }\r
+\r
+    public void widgetDefaultSelected(SelectionEvent e) {\r
+    }\r
+\r
+    public Action getAction() {\r
+        return action;\r
+    }\r
+\r
+    public void propertyChange(PropertyChangeEvent event) {\r
+        menuitem.setSelection(action.isChecked());\r
+    }\r
+\r
+}\r