trackeditor: add copy paste popup menu to text fields

git-svn-id: https://svn.code.sf.net/p/speed-dreams/code/trunk@8274 30fe4595-0a0c-4342-8851-515496e4dcbd

Former-commit-id: d1c3394e4b7ecc26de1f61889c4ec89e6556c4d6
Former-commit-id: 21bceda68f97201bab1cb32ef1512db8d1a5acc8

src/tools/trackeditor/CMakeLists.txt

@@ -63,6 +63,7 @@ IF(Java_Development_FOUND AND Java_FOUND)
          gui/view/CircuitViewSelectionEvent.java
          gui/view/CircuitViewSelectionListener.java
          miscel/EPMath.java
+         miscel/TCPopupEventQueue.java
          plugin/Plugin.java
          plugin/torcs/NoOpEntityResolver.java
          plugin/torcs/TorcsPlugin.java
@@ -209,4 +210,4 @@ ELSE(Java_Development_FOUND AND Java_FOUND)
    MESSAGE(WARNING "Java_FOUND = ${Java_FOUND}")
    MESSAGE(WARNING "Java_Development_FOUND = ${Java_Development_FOUND}")
    MESSAGE(WARNING "TrackEditor NOT included!")
-ENDIF(Java_Development_FOUND AND Java_FOUND)
+ENDIF(Java_Development_FOUND AND Java_FOUND)

src/tools/trackeditor/miscel/TCPopupEventQueue.java

@@ -0,0 +1,136 @@
+package miscel;
+
+import java.awt.AWTEvent;
+import java.awt.Component;
+import java.awt.EventQueue;
+import java.awt.Toolkit;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.Transferable;
+import java.awt.event.ActionEvent;
+import java.awt.event.MouseEvent;
+
+import javax.swing.AbstractAction;
+import javax.swing.Action;
+import javax.swing.Icon;
+import javax.swing.JPopupMenu;
+import javax.swing.KeyStroke;
+import javax.swing.MenuSelectionManager;
+import javax.swing.SwingUtilities;
+import javax.swing.text.JTextComponent;
+
+/*
+ * This is a modified copy of: https://www.roseindia.net/java/example/java/swing/copy-data-from-ms.shtml
+ * It is used with their permission as long as a link to the original code is included.
+ */
+public class TCPopupEventQueue extends EventQueue {
+	public JPopupMenu popup;
+	public BasicAction cut, copy, paste, selectAll;
+	
+	public void createPopupMenu(JTextComponent text){
+		cut = new CutAction("Cut",null);
+		copy = new CopyAction("Copy", null);
+		paste = new PasteAction("Paste",null);
+		selectAll = new SelectAllAction("Select All",null);
+		cut.setTextComponent(text);
+		copy.setTextComponent(text);
+		paste.setTextComponent(text);
+		selectAll.setTextComponent(text);
+		
+		popup = new JPopupMenu();
+		popup.add( cut );
+		popup.add( copy );
+		popup.add( paste );
+		popup.addSeparator();
+		popup.add( selectAll );
+	}	
+	public void showPopup(Component parent, MouseEvent me){
+		popup.validate();
+		popup.show(parent, me.getX(), me.getY());
+	}	
+	protected void dispatchEvent(AWTEvent event){
+		super.dispatchEvent(event);
+		if(!(event instanceof MouseEvent)){
+			return;
+		}
+		MouseEvent me = (MouseEvent)event;
+		if(!me.isPopupTrigger()) {
+			return;
+		}
+		if( !(me.getSource() instanceof Component) ) {
+			return;
+		}
+		Component comp = SwingUtilities.getDeepestComponentAt((Component)me.getSource(),me.getX(), me.getY());
+		if( !(comp instanceof JTextComponent)){
+			return;
+		}
+		if(MenuSelectionManager.defaultManager().getSelectedPath().length > 0){
+			return;
+		}
+		createPopupMenu((JTextComponent)comp);
+		showPopup((Component)me.getSource(), me);
+	}
+	public abstract class BasicAction extends AbstractAction{
+		JTextComponent comp;
+		
+		public BasicAction(String text, Icon icon) {
+			super(text, icon);
+			putValue(Action.SHORT_DESCRIPTION, text);
+		}
+		public void setTextComponent(JTextComponent comp){
+			this.comp = comp;
+		}
+		public abstract void actionPerformed(ActionEvent e);
+	}
+	public class CutAction extends BasicAction {
+		public CutAction(String text, Icon icon) {
+			super(text, icon);
+			putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke("ctrl X"));
+		}
+		public void actionPerformed(ActionEvent e){
+			comp.cut();
+		}
+		public boolean isEnabled(){
+			return comp != null && comp.isEditable() && comp.getSelectedText() != null;
+		}
+	}
+	public class CopyAction extends BasicAction{
+		public CopyAction(String text, Icon icon){
+			super(text,icon);
+			putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke("ctrl C"));
+		}
+		public void actionPerformed(ActionEvent e) {
+			comp.copy();
+		}
+		public boolean isEnabled() {
+			return comp != null && comp.getSelectedText() != null;
+		}
+	}
+	public class PasteAction extends BasicAction{
+		public PasteAction(String text, Icon icon){
+			super(text,icon);
+			putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke("ctrl V"));
+		}
+		public void actionPerformed(ActionEvent e) {
+			comp.paste();
+		}
+		public boolean isEnabled() {
+			Transferable content = Toolkit.getDefaultToolkit().getSystemClipboard().getContents(null);
+			return comp != null && comp.isEnabled() && comp.isEditable() 
+						&& content.isDataFlavorSupported(DataFlavor.stringFlavor);
+		}
+	}
+	public class SelectAllAction extends BasicAction{
+		public SelectAllAction(String text, Icon icon){
+			super(text,icon);
+			putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke("ctrl A"));
+		}
+		public void actionPerformed(ActionEvent e){
+			comp.selectAll();
+		}
+		public boolean isEnabled() {
+			return comp != null && comp.isEnabled() && comp.getText().length() > 0 
+					&& (comp.getSelectedText() == null || 
+						comp.getSelectedText().length() < comp.getText().length());
+		}
+	}
+}

src/tools/trackeditor/utils/TrackEditor.java

@@ -20,6 +20,8 @@
  */
 package utils;
 
+import java.awt.Toolkit;
+
 import javax.swing.UIManager;
 
 import com.jgoodies.looks.plastic.Plastic3DLookAndFeel;
@@ -27,6 +29,7 @@ import com.jgoodies.looks.plastic.PlasticLookAndFeel;
 import com.jgoodies.looks.plastic.theme.DesertBlue;
 
 import gui.EditorFrame;
+import miscel.TCPopupEventQueue;
 
 
 /**
@@ -41,6 +44,8 @@ public class TrackEditor
 
 	public static void main(String[] args)
 	{
+		Toolkit.getDefaultToolkit().getSystemEventQueue().push(new TCPopupEventQueue());
+		
 		PlasticLookAndFeel.setCurrentTheme(new DesertBlue());
 		try
 		{