Java JComponent Properties registerComponent(JComponent c)

Description

register Component

License

Apache License

Declaration

public static void registerComponent(JComponent c) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import javax.swing.*;

import java.awt.event.*;

public class Main {
    public static void registerComponent(JComponent c) {
        //ensure InputMap and ActionMap are created
        InputMap imap = c.getInputMap();
        ActionMap amap = c.getActionMap();
        //put dummy KeyStroke into InputMap if is empty:
        boolean removeKeyStroke = false;
        KeyStroke[] ks = imap.keys();
        if (ks == null || ks.length == 0) {
            imap.put(KeyStroke.getKeyStroke(KeyEvent.VK_BACK_SLASH, 0), "backSlash");
            removeKeyStroke = true;/*from  w  w w  .  ja v a 2  s  .c  o m*/
        }
        //now we can register by ToolTipManager
        ToolTipManager.sharedInstance().registerComponent(c);
        //and remove dummy KeyStroke
        if (removeKeyStroke) {
            imap.remove(KeyStroke.getKeyStroke(KeyEvent.VK_BACK_SLASH, 0));
        }
        //now last part - add appropriate MouseListener and
        //hear to mouseEntered events
        // c.addMouseListener(MOUSE_HANDLER);
    }
}

Related

1. isRectangularSelection(JComponent c)
2. isRequired(JComponent component)
3. isVisible(JComponent c, Rectangle r)
4. isVisible(JComponent comp)
5. isVisibleOnScreen(final JComponent component)
6. registerDataFlavors(JComponent component, DataFlavor... dataFlavors)
7. resetDisplayComponent(JComponent mainComp, JComponent nonDispComp, JComponent newDispComp)
8. setComponentEnabled(JComponent component, Boolean isEnabled)
9. setDirty(JComponent comp, boolean isDirty)