Changeset 5886 in josm for trunk/src/org/openstreetmap/josm/gui/widgets/PopupMenuLauncher.java

Timestamp:

2013-04-19T22:21:57+02:00 (11 years ago)

Author:

Don-vip

Message:

see #4429 - Right click menu "undo, cut, copy, paste, delete, select all" for each text component (originally based on patch by NooN)

File:

• trunk/src/org/openstreetmap/josm/gui/widgets/PopupMenuLauncher.java (modified) (4 diffs)

trunk/src/org/openstreetmap/josm/gui/widgets/PopupMenuLauncher.java

@@ -2 +2 @@
 package org.openstreetmap.josm.gui.widgets;
 
+import java.awt.Component;
+import java.awt.event.FocusEvent;
+import java.awt.event.FocusListener;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
@@ -13 +16 @@
 public class PopupMenuLauncher extends MouseAdapter {
     private final JPopupMenu menu;
+    private final boolean checkEnabled;
 
     /**
@@ -28 +32 @@
      */
     public PopupMenuLauncher(JPopupMenu menu) {
-        this.menu = menu;
+        this(menu, false);
     }
 
-    @Override
-    public void mousePressed(MouseEvent e) {
-        if (e.isPopupTrigger()) {
-            launch(e);
-        }
+    /**
+     * Creates a new {@link PopupMenuLauncher} with the given menu.
+     * @param menu The popup menu to display
+     * @param checkEnabled if {@code true}, the popup menu will only be displayed if the component triggering the mouse event is enabled
+     * @since 5885
+     */
+    public PopupMenuLauncher(JPopupMenu menu, boolean checkEnabled) {
+        this.menu = menu;
+        this.checkEnabled = checkEnabled;
     }
 
-    @Override
-    public void mouseClicked(MouseEvent e) {
-        if (e.isPopupTrigger()) {
-            launch(e);
-        }
-    }
-
-    @Override
-    public void mouseReleased(MouseEvent e) {
-        if (e.isPopupTrigger()) {
+    @Override public void mousePressed(MouseEvent e) { processEvent(e); }
+    @Override public void mouseClicked(MouseEvent e) { processEvent(e); }
+    @Override public void mouseReleased(MouseEvent e) { processEvent(e); }
+    
+    private void processEvent(MouseEvent e) {
+        if (e.isPopupTrigger() && (!checkEnabled || e.getComponent().isEnabled())) {
             launch(e);
         }
@@ -57 +61 @@
      * @param evt A mouse event
      */
-    public void launch(MouseEvent evt) {
+    public void launch(final MouseEvent evt) {
         if (menu != null) {
-            menu.show(evt.getComponent(), evt.getX(), evt.getY());
+            final Component component = evt.getComponent();
+            if (component != null && component.isFocusable() && !component.hasFocus() && component.requestFocusInWindow()) {
+                component.addFocusListener(new FocusListener() {
+                    @Override public void focusLost(FocusEvent e) {}
+                    @Override public void focusGained(FocusEvent e) {
+                        menu.show(component, evt.getX(), evt.getY());
+                        component.removeFocusListener(this);
+                    }
+                });
+            } else {
+                menu.show(component, evt.getX(), evt.getY());
+            }
         }
     }
-
+    
     /**
      * @return the popup menu if defined, {@code null} otherwise.