javax.swing.JScrollPane#addPropertyChangeListener ( )源码实例Demo

protected void installListeners(JScrollPane c) {
    vsbChangeListener = createVSBChangeListener();
    vsbPropertyChangeListener = createVSBPropertyChangeListener();
    hsbChangeListener = createHSBChangeListener();
    hsbPropertyChangeListener = createHSBPropertyChangeListener();
    viewportChangeListener = createViewportChangeListener();
    spPropertyChangeListener = createPropertyChangeListener();

    JViewport viewport = scrollpane.getViewport();
    JScrollBar vsb = scrollpane.getVerticalScrollBar();
    JScrollBar hsb = scrollpane.getHorizontalScrollBar();

    if (viewport != null) {
        viewport.addChangeListener(viewportChangeListener);
    }
    if (vsb != null) {
        vsb.getModel().addChangeListener(vsbChangeListener);
        vsb.addPropertyChangeListener(vsbPropertyChangeListener);
    }
    if (hsb != null) {
        hsb.getModel().addChangeListener(hsbChangeListener);
        hsb.addPropertyChangeListener(hsbPropertyChangeListener);
    }

    scrollpane.addPropertyChangeListener(spPropertyChangeListener);

    mouseScrollListener = createMouseWheelListener();
    scrollpane.addMouseWheelListener(mouseScrollListener);

    // From SynthScrollPaneUI.
    c.addPropertyChangeListener(this);
    if (UIManager.getBoolean("ScrollPane.useChildTextComponentFocus")) {
        viewportViewFocusHandler = new ViewportViewFocusHandler();
        c.getViewport().addContainerListener(viewportViewFocusHandler);
        Component view = c.getViewport().getView();
        if (view instanceof JTextComponent) {
            view.addFocusListener(viewportViewFocusHandler);
        }
    }
}
 

@Override
protected void installListeners(JScrollPane scrollPane) {
    super.installListeners(scrollPane);
    propertyChangeHandler = createPropertyChangeHandler();
    scrollPane.addPropertyChangeListener(propertyChangeHandler);
}
 

@Override
protected void installListeners(JScrollPane scrollPane) {
    super.installListeners(scrollPane);
    propertyChangeHandler = createPropertyChangeHandler();
    scrollPane.addPropertyChangeListener(propertyChangeHandler);
}
 

@Override
protected void installListeners(JScrollPane scrollPane) {
    super.installListeners(scrollPane);
    propertyChangeHandler = createPropertyChangeHandler();
    scrollPane.addPropertyChangeListener(propertyChangeHandler);
}
 

@Override
protected void installListeners(JScrollPane scrollPane) {
    super.installListeners(scrollPane);
    propertyChangeHandler = createPropertyChangeHandler();
    scrollPane.addPropertyChangeListener(propertyChangeHandler);
}
 

MouseWheelDelegator(JScrollPane scrollPane) {
    this.scrollPane = scrollPane;
    scrollPane.addPropertyChangeListener(this);
    updateListeners();
}
 

@Override
protected void installListeners(JScrollPane scrollPane) {
    super.installListeners(scrollPane);
    propertyChangeHandler = createPropertyChangeHandler();
    scrollPane.addPropertyChangeListener(propertyChangeHandler);
}
 

@Override
protected void installListeners(JScrollPane scrollPane) {
    super.installListeners(scrollPane);
    propertyChangeHandler = createPropertyChangeHandler();
    scrollPane.addPropertyChangeListener(propertyChangeHandler);
}
 

@Override
protected void installListeners(JScrollPane scrollPane) {
    super.installListeners(scrollPane);
    propertyChangeHandler = createPropertyChangeHandler();
    scrollPane.addPropertyChangeListener(propertyChangeHandler);
}
 

@Override
protected void installListeners(JScrollPane scrollPane) {
    super.installListeners(scrollPane);
    propertyChangeHandler = createPropertyChangeHandler();
    scrollPane.addPropertyChangeListener(propertyChangeHandler);
}
 

@Override
protected void installListeners(JScrollPane scrollPane) {
    super.installListeners(scrollPane);
    propertyChangeHandler = createPropertyChangeHandler();
    scrollPane.addPropertyChangeListener(propertyChangeHandler);
}
 

@Override
protected void installListeners(JScrollPane scrollPane) {
    super.installListeners(scrollPane);
    propertyChangeHandler = createPropertyChangeHandler();
    scrollPane.addPropertyChangeListener(propertyChangeHandler);
}
 

@Override
protected void installListeners(JScrollPane scrollPane) {
    super.installListeners(scrollPane);
    propertyChangeHandler = createPropertyChangeHandler();
    scrollPane.addPropertyChangeListener(propertyChangeHandler);
}
 

@Override
protected void installListeners(JScrollPane scrollPane) {
    super.installListeners(scrollPane);
    propertyChangeHandler = createPropertyChangeHandler();
    scrollPane.addPropertyChangeListener(propertyChangeHandler);
}
 

@Override
protected void installListeners(JScrollPane scrollPane) {
    super.installListeners(scrollPane);
    propertyChangeHandler = createPropertyChangeHandler();
    scrollPane.addPropertyChangeListener(propertyChangeHandler);
}