public static void paintComponentDecoration(
final GuiEditor editor, final RadComponent component, final Graphics g) {
// Collect selected components and paint decoration for non selected components
final ArrayList<RadComponent> selection = new ArrayList<RadComponent>();
final Rectangle layeredPaneRect = editor.getLayeredPane().getVisibleRect();
FormEditingUtil.iterate(
component,
new FormEditingUtil.ComponentVisitor<RadComponent>() {
public boolean visit(final RadComponent component) {
if (!component.getDelegee().isShowing()) { // Skip invisible components
return true;
}
final Shape oldClip = g.getClip();
final RadContainer parent = component.getParent();
if (parent != null) {
final Point p =
SwingUtilities.convertPoint(
component.getDelegee(), 0, 0, editor.getLayeredPane());
final Rectangle visibleRect =
layeredPaneRect.intersection(
new Rectangle(p.x, p.y, parent.getWidth(), parent.getHeight()));
g.setClip(visibleRect);
}
if (component.isSelected()) { // we will paint selection later
selection.add(component);
} else {
paintComponentBoundsImpl(editor, component, g);
}
paintGridOutline(editor, component, g);
if (parent != null) {
g.setClip(oldClip);
}
return true;
}
});
// Let's paint decoration for selected components
for (int i = selection.size() - 1; i >= 0; i--) {
final Shape oldClip = g.getClip();
final RadComponent c = selection.get(i);
final RadContainer parent = c.getParent();
if (parent != null) {
final Point p = SwingUtilities.convertPoint(c.getDelegee(), 0, 0, editor.getLayeredPane());
final Rectangle visibleRect =
layeredPaneRect.intersection(
new Rectangle(p.x, p.y, parent.getWidth(), parent.getHeight()));
g.setClip(visibleRect);
}
paintComponentBoundsImpl(editor, c, g);
if (parent != null) {
g.setClip(oldClip);
}
}
}
/** This method paints grid bounds for "grid" containers */
public static void paintGridOutline(
final GuiEditor editor, @NotNull final RadComponent component, final Graphics g) {
if (!editor.isShowGrid()) {
return;
}
if (!(component instanceof RadContainer)) {
return;
}
final RadContainer container = (RadContainer) component;
if (!container.getLayoutManager().isGrid()) {
return;
}
// performance: don't paint grid outline in drag layer
Container parent = component.getDelegee().getParent();
while (parent != null) {
if (parent == editor.getDragLayer()) {
return;
}
parent = parent.getParent();
}
final Point point =
SwingUtilities.convertPoint(
component.getDelegee(), 0, 0, editor.getRootContainer().getDelegee());
g.translate(point.x, point.y);
try {
// Paint grid
if (container.getWidth() > 0 && container.getHeight() > 0) {
Image gridImage = CachedGridImage.getGridImage(container);
g.drawImage(gridImage, 0, 0, null);
}
} finally {
g.translate(-point.x, -point.y);
}
}