/**
* Performs the drop when the selection is a collection of IExpressions. Moves the given
* expressions from their original locations to the location of the current target.
*
* @param selection the dragged selection
* @return whether the drop could be completed
*/
private boolean performExpressionDrop(IStructuredSelection selection) {
IExpression targetExpression = getTargetExpression(getCurrentTarget());
if (targetExpression != null) {
IExpression[] expressions = new IExpression[selection.size()];
Object[] selectionElements = selection.toArray();
for (int i = 0; i < selectionElements.length; i++) {
expressions[i] = getTargetExpression(selectionElements[i]);
}
IExpressionManager manager = DebugPlugin.getDefault().getExpressionManager();
if (manager instanceof ExpressionManager) {
((ExpressionManager) manager).moveExpressions(expressions, targetExpression, fInsertBefore);
}
return true;
}
return false;
}
