private boolean isHandleSelectionEnabled(@NotNull KeyType selected, boolean processIfUnfocused) {
return myEnabled
&& myComponent.isEnabled()
&& myComponent.isShowing()
&& myComponent.getVisibleRect().intersects(getVisibleRect(selected))
&& (processIfUnfocused || myComponent.isFocusOwner())
&& !isPopup();
}
private void doHandleSelectionChange(@NotNull KeyType selected, boolean processIfUnfocused) {
if (!myEnabled
|| !myComponent.isEnabled()
|| !myComponent.isShowing()
|| !myComponent.getVisibleRect().intersects(getVisibleRect(selected))
|| !myComponent.isFocusOwner() && !processIfUnfocused
|| isPopup()) {
hideHint();
return;
}
myKey = selected;
Point location = createToolTipImage(myKey);
if (location == null) {
hideHint();
} else {
Rectangle bounds = new Rectangle(location, myTipComponent.getPreferredSize());
myPopup.setBounds(bounds);
myPopup.setVisible(noIntersections(bounds));
repaintKeyItem();
}
}
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();
}
});
}
protected Rectangle getVisibleRect(KeyType key) {
return myComponent.getVisibleRect();
}
protected void doFillBackground(int height, int width, Graphics2D g) {
g.setColor(myComponent.getBackground());
g.fillRect(0, 0, width, height);
}
private void repaintKeyItem() {
if (myKeyItemBounds != null) {
myComponent.repaint(myKeyItemBounds);
}
}