/**
* The <code>PluginDropAdapter</code> implementation of this <code>ViewerDropAdapter</code> method
* is used to notify the action that some aspect of the drop operation has changed. Subclasses may
* override.
*/
public boolean validateDrop(Object target, int operation, TransferData transferType) {
currentTransfer = transferType;
if (currentTransfer != null && PluginTransfer.getInstance().isSupportedType(currentTransfer)) {
// plugin cannot be loaded without the plugin data
return true;
}
return false;
}
/* (non-Javadoc)
* Method declared on DropTargetAdapter.
* The user has dropped something on the desktop viewer.
*/
public void drop(DropTargetEvent event) {
try {
if (PluginTransfer.getInstance().isSupportedType(event.currentDataType)) {
PluginTransferData pluginData = (PluginTransferData) event.data;
IDropActionDelegate delegate = getPluginAdapter(pluginData);
if (!delegate.run(pluginData.getData(), getCurrentTarget())) {
event.detail = DND.DROP_NONE;
}
} else {
super.drop(event);
}
} catch (CoreException e) {
WorkbenchPlugin.log("Drop Failed", e.getStatus()); // $NON-NLS-1$
}
}