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/*
* PopupToolBoxButton.java
*
* Created on 15 February 2003, 20:27
*/
package org.tigris.toolbar.toolbutton;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.Action;
import javax.swing.ButtonModel;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JPopupMenu;
import javax.swing.UIManager;
import javax.swing.event.MouseInputAdapter;
import org.tigris.toolbar.ToolBarManager;
/**
* An extension of JButton to which alternative actions can be added.
* The button to trigger these actions become available when a
* dropdown icon is pressed on this button.
*
* @author Bob Tarling
*/
public class PopupToolBoxButton extends ToolButton {
private static final long serialVersionUID = -684520584458885655L;
private PopupToolBox _popupToolBox;
private Icon _standardIcon;
private String tooltip;
private boolean _showSplitter;
/**
* Creates a new instance of PopupToolboxButton
* @param a The default action when pressing this button
* @param rows The number of rows of buttons to display in the popup toolbox
* @param cols The number of columns of buttons to display in the popup toolbox
*/
public PopupToolBoxButton(Action a, int rows, int cols, boolean rollover) {
super(a);
setAction(a);
_popupToolBox = new PopupToolBox(rows, cols, rollover);
MyMouseListener myMouseListener = new MyMouseListener();
addMouseMotionListener(myMouseListener);
addMouseListener(myMouseListener);
}
/**
* Provide a new default action for this button
* @param a The new default action
*/
public void setAction(Action a) {
// Create an invisible button to contain the new action.
// We can use this button to find out various info for the
// current plaf (eg preferred button size) so we can emulate
// whatever plaf the user is set to.
_button = new JButton(a);
Icon realIcon = _button.getIcon();
if (a instanceof AbstractButtonAction) {
realIcon = ((AbstractButtonAction)a).getIcon();
}
tooltip = _button.getToolTipText();
if (tooltip == null || tooltip.trim().length() == 0) {
tooltip = _button.getText();
}
_button.setText(null);
_standardIcon = new DropDownIcon((ImageIcon)realIcon);
// Remove any knowledge of the action to perform from the ancestor
// we take control of performing the action and displaying the icon.
super.setAction(new ToolButtonAction());
setIcon(_standardIcon);
setText(null);
setToolTipText(tooltip);
}
private void popup() {
final JPopupMenu popup = new JPopupMenu();
MouseAdapter m = (new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
Component c = e.getComponent();
if (c instanceof ModalButton) {
Action a = ((ModalButton)c).getRealAction();
setAction(a);
a.putValue("popped", Boolean.valueOf(true));
setSelected(true);
ButtonModel bm = getModel();
bm.setRollover(true);
if (!ToolBarManager.alwaysUseStandardRollover()) {
setBorderPainted(true);
}
bm.setArmed(true);
}
popup.setVisible(false);
}
});
_popupToolBox.setButtonMouseListener(m);
_popupToolBox.rebuild();
popup.add(_popupToolBox);
popup.show(this, 0, getHeight());
}
/** Add a new action to appear as a button on the
* popup toolbox
* @param a The action to be added
* @return The button generated to trigger the action
*/
public JButton add(Action a) {
if (a.getValue("isDefault") instanceof Boolean) {
if(((Boolean)a.getValue("isDefault")).booleanValue()) {
setAction(a);
}
}
return _popupToolBox.add(a);
}
private int getSplitterPosn() {
return getIconPosn() + _button.getIcon().getIconWidth() + 3;
}
/**
* Get the xy position of the icon.
* TODO
* For the moment this assumes that the button has the icon centered.
*/
private int getIconPosn() {
int x = (this.getWidth() - _standardIcon.getIconWidth()) / 2;
return x;
}
public void paint(Graphics g) {
super.paint(g);
Color[] colors = {
getBackground(),
UIManager.getColor("controlDkShadow"),
UIManager.getColor("controlText"),
UIManager.getColor("controlHighlight")
};
if (_showSplitter) {
showSplitter(colors[1], g, getSplitterPosn(), 1, getHeight()-4);
showSplitter(colors[3], g, getSplitterPosn() + 1, 1, getHeight()-4);
}
}
public void showSplitter(Color c, Graphics g, int x, int y, int height) {
g.setColor(c);
g.drawLine(x, y + 0, x, y + height);
}
public void showSplitter(boolean show) {
if (show && !_showSplitter) {
_showSplitter = true;
repaint();
String tt = null;
Container parent = getParent();
if (parent instanceof JComponent) {
/* This allows i18n of this tooltip: */
tt = (String) ((JComponent) parent).getClientProperty(
"ToolBar.toolTipSelectTool");
}
if (tt == null) {
tt = "Select Tool";
}
setToolTipText(tt);
} else if (!show && _showSplitter) {
_showSplitter = false;
repaint();
setToolTipText(tooltip);
}
}
protected void performAction(java.awt.event.ActionEvent actionEvent) {
if (_showSplitter) {
popup();
} else {
super.performAction(actionEvent);
}
}
private class MyMouseListener extends MouseInputAdapter {
/**
* If the mouse movement occurs within the PopupToolBoxButton.
* If the mouse moves in and out of the area of the button that has the dropdown
* then change the icon.
*/
public void mouseMoved(MouseEvent me) {
showSplitter(me.getX() >= getSplitterPosn());
}
/**
* Empty method to satisy interface only, there is no special
* action to take place when the mouse first enters the
* PopupToolBoxButton area
*/
public void mouseEntered(MouseEvent me) {
showSplitter(me.getX() >= getSplitterPosn());
}
/**
* Be double sure the dropdowns rollover divider is removed when we leave the
* button.
*/
public void mouseExited(MouseEvent me) {
showSplitter(false);
}
}
}
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