/**
* Returns the baseline.
*
* @throws NullPointerException {@inheritDoc}
* @throws IllegalArgumentException {@inheritDoc}
* @see javax.swing.JComponent#getBaseline(int, int)
* @since 1.6
*/
public int getBaseline(JComponent c, int width, int height) {
super.getBaseline(c, width, height);
AbstractButton b = (AbstractButton) c;
String text = b.getText();
if (text == null || "".equals(text)) {
return -1;
}
FontMetrics fm = b.getFontMetrics(b.getFont());
layout(b, fm, width, height);
return BasicHTML.getBaseline(b, textRect.y, fm.getAscent(), textRect.width, textRect.height);
}
/**
* Returns an enum indicating how the baseline of the component changes as the size changes.
*
* @throws NullPointerException {@inheritDoc}
* @see javax.swing.JComponent#getBaseline(int, int)
* @since 1.6
*/
public Component.BaselineResizeBehavior getBaselineResizeBehavior(JComponent c) {
super.getBaselineResizeBehavior(c);
if (c.getClientProperty(BasicHTML.propertyKey) != null) {
return Component.BaselineResizeBehavior.OTHER;
}
switch (((AbstractButton) c).getVerticalAlignment()) {
case AbstractButton.TOP:
return Component.BaselineResizeBehavior.CONSTANT_ASCENT;
case AbstractButton.BOTTOM:
return Component.BaselineResizeBehavior.CONSTANT_DESCENT;
case AbstractButton.CENTER:
return Component.BaselineResizeBehavior.CENTER_OFFSET;
}
return Component.BaselineResizeBehavior.OTHER;
}
@Override
public void uninstallUI(JComponent c) {
AbstractButton button = (AbstractButton) c;
ButtonInfo info = getButtonInfo(button);
button.removeMouseListener(info.basicListener);
button.removeMouseMotionListener(info.basicListener);
button.removeFocusListener(info.basicListener);
button.removePropertyChangeListener(info.basicListener);
button.removeChangeListener(info.basicListener);
button.removeKeyListener(focusArrowListener);
button.removeComponentListener(componentListener);
button.removeKeyListener(keyArmingListener);
button.removePropertyChangeListener(positionAndShapeListener);
super.uninstallUI(c);
}
@Override
public void installUI(JComponent c) {
AbstractButton button = (AbstractButton) c;
ButtonInfo info = new ButtonInfo(button, this);
button.putClientProperty(BUTTON_INFO_KEY, info);
button.addMouseListener(info.basicListener);
button.addMouseMotionListener(info.basicListener);
button.addFocusListener(info.basicListener);
button.addPropertyChangeListener(info.basicListener);
button.addChangeListener(info.basicListener);
button.addKeyListener(focusArrowListener);
button.addComponentListener(componentListener);
button.addKeyListener(keyArmingListener);
button.setRequestFocusEnabled(false);
button.setFocusable(true);
button.addPropertyChangeListener(positionAndShapeListener);
button.setOpaque(false);
button.setRolloverEnabled(true);
if (button.getIcon() != null) {
Font font = UIManager.getFont("IconButton.font");
if (font != null) button.setFont(font); // miniature-ish
}
super.installUI(c);
updateLayout(button, info);
if (button.getFont() == null) {
Font font = UIManager.getFont("Button.font");
if (font == null) {
font = new Font("Default", 0, 13);
}
button.setFont(font);
}
}
public SpecialUIButton(ButtonUI ui) {
this.ui = ui;
ui.installUI(this);
}