private void wireDragAndDrop(Component comp) {
comp.setDropTarget(new DropTarget(this, new JitterbugDropHandler()));
if (comp instanceof Container) {
Container cont = (Container) comp;
for (int i = 0; i < cont.getComponentCount(); i++) {
wireDragAndDrop(cont.getComponent(i));
}
}
}
protected void setDropTargets() {
headerLabel.setDropTarget(new java.awt.dnd.DropTarget(headerLabel, componentElementPanel));
setDropTarget(new java.awt.dnd.DropTarget(this, componentElementPanel));
containingPanel.setDropTarget(
new java.awt.dnd.DropTarget(containingPanel, componentElementPanel));
headerPanel.setDropTarget(new java.awt.dnd.DropTarget(headerPanel, componentElementPanel));
grip.setDropTarget(new java.awt.dnd.DropTarget(grip, componentElementPanel));
glue.setDropTarget(new java.awt.dnd.DropTarget(glue, componentElementPanel));
expandButton.setDropTarget(new java.awt.dnd.DropTarget(expandButton, componentElementPanel));
}
/**
* Removes the drag-and-drop hooks from the component and optionally from the all children. You
* should call this if you add and remove components after you've set up the drag-and-drop.
*
* @param out Optional {@link PrintStream} for logging drag and drop messages
* @param c The component to unregister
* @param recursive Recursively unregister components within a container
* @since 1.0
*/
public static boolean remove(PrintStream out, Component c, boolean recursive) {
// Make sure we support
log(out, "FileDrop: Removing drag-and-drop hooks.");
c.setDropTarget(null);
if (recursive && (c instanceof Container)) {
Component[] comps = ((Container) c).getComponents();
for (int i = 0; i < comps.length; i++) remove(out, comps[i], recursive);
return true;
}
return false;
}
public JmolFileDropper(JmolViewer viewer) {
fd_oldFileName = "";
fd_propSupport = new PropertyChangeSupport(this);
this.viewer = viewer;
addPropertyChangeListener(
(pcl =
new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent evt) {
doDrop(evt);
}
}));
Component display = viewer.getDisplay();
display.setDropTarget(new DropTarget(display, this));
display.setEnabled(true);
}
/**
* Removes the drag-and-drop hooks from the component and optionally from the all children. You
* should call this if you add and remove components after you've set up the drag-and-drop.
*
* @param out Optional {@link java.io.PrintStream} for logging drag and drop messages
* @param c The component to unregister
* @param recursive Recursively unregister components within a container
* @since 1.0
*/
public static boolean remove(
java.io.PrintStream out,
java.awt.Component c,
boolean recursive) { // Make sure we support dnd.
if (supportsDnD()) {
log(out, "FileDrop: Removing drag-and-drop hooks.");
c.setDropTarget(null);
if (recursive && (c instanceof java.awt.Container)) {
java.awt.Component[] comps = ((java.awt.Container) c).getComponents();
for (int i = 0; i < comps.length; i++) remove(out, comps[i], recursive);
return true;
} // end if: recursive
else return false;
} // end if: supports DnD
else return false;
} // end remove
