/**
* Creates a new instance.
*
* @param view Reference to the View. Mustn't be <code>null</code>.
* @param model Reference to the Model. Mustn't be <code>null</code>.
* @param canvas Reference to the canvas this listener is for. Mustn't be <code>null</code>.
*/
ImageCanvasListener(BrowserUI view, BrowserModel model, JComponent canvas) {
if (model == null) throw new NullPointerException("No Model.");
if (canvas == null) throw new NullPointerException("No canvas.");
if (view == null) throw new NullPointerException("No View.");
this.model = model;
this.canvas = canvas;
this.view = view;
area = new Rectangle(0, 0, 0, 0);
canvas.addMouseWheelListener(this);
installMouseListeners();
handleKeyDown = false;
}
protected AbstractExpandableItemsHandler(@NotNull final ComponentType component) {
myComponent = component;
myComponent.add(myRendererPane);
myComponent.validate();
myPopup = new MovablePopup(myComponent, myTipComponent);
myTipComponent.addMouseWheelListener(
new MouseWheelListener() {
@Override
public void mouseWheelMoved(MouseWheelEvent e) {
dispatchEvent(myComponent, e);
}
});
myTipComponent.addMouseListener(
new MouseListener() {
@Override
public void mouseClicked(MouseEvent e) {
dispatchEvent(myComponent, e);
}
@Override
public void mousePressed(MouseEvent e) {
dispatchEvent(myComponent, e);
}
@Override
public void mouseReleased(MouseEvent e) {
dispatchEvent(myComponent, e);
}
@Override
public void mouseEntered(MouseEvent e) {}
@Override
public void mouseExited(MouseEvent e) {
// don't hide the hint if mouse exited to owner component
if (myComponent.getMousePosition() == null) {
hideHint();
}
}
});
myTipComponent.addMouseMotionListener(
new MouseMotionListener() {
@Override
public void mouseMoved(MouseEvent e) {
dispatchEvent(myComponent, e);
}
@Override
public void mouseDragged(MouseEvent e) {
dispatchEvent(myComponent, e);
}
});
myComponent.addMouseListener(
new MouseListener() {
@Override
public void mouseEntered(MouseEvent e) {
handleMouseEvent(e);
}
@Override
public void mouseExited(MouseEvent e) {
// don't hide the hint if mouse exited to it
if (myTipComponent.getMousePosition() == null) {
hideHint();
}
}
@Override
public void mouseClicked(MouseEvent e) {}
@Override
public void mousePressed(MouseEvent e) {
handleMouseEvent(e);
}
@Override
public void mouseReleased(MouseEvent e) {
handleMouseEvent(e);
}
});
myComponent.addMouseMotionListener(
new MouseMotionListener() {
@Override
public void mouseDragged(MouseEvent e) {
handleMouseEvent(e);
}
@Override
public void mouseMoved(MouseEvent e) {
handleMouseEvent(e, false);
}
});
myComponent.addFocusListener(
new FocusAdapter() {
@Override
public void focusLost(FocusEvent e) {
onFocusLost();
}
@Override
public void focusGained(FocusEvent e) {
updateCurrentSelection();
}
});
myComponent.addComponentListener(
new ComponentAdapter() {
@Override
public void componentHidden(ComponentEvent e) {
hideHint();
}
@Override
public void componentMoved(ComponentEvent e) {
updateCurrentSelection();
}
@Override
public void componentResized(ComponentEvent e) {
updateCurrentSelection();
}
});
myComponent.addHierarchyBoundsListener(
new HierarchyBoundsAdapter() {
@Override
public void ancestorMoved(HierarchyEvent e) {
updateCurrentSelection();
}
@Override
public void ancestorResized(HierarchyEvent e) {
updateCurrentSelection();
}
});
myComponent.addHierarchyListener(
new HierarchyListener() {
@Override
public void hierarchyChanged(HierarchyEvent e) {
hideHint();
}
});
}
/**
* Adds a {@link MouseWheelListener} to the canvas if the canvas is an instance of <code>
* ThumbnailCanvas</code>.
*
* @param controller The listener to add.
*/
void attachMouseWheelListener(MouseWheelListener controller) {
if (canvas instanceof ThumbnailCanvas) canvas.addMouseWheelListener(controller);
}
