private void updateRemoveButtons(boolean updateRemove, boolean updateRemoveAll) {
TablePart tablePart = getTablePart();
Table table = tablePart.getTableViewer().getTable();
TableItem[] tableSelection = table.getSelection();
if (updateRemove) {
ISelection selection = getViewerSelection();
tablePart.setButtonEnabled(
3,
isEditable()
&& !selection.isEmpty()
&& selection instanceof IStructuredSelection
&& ((IStructuredSelection) selection).getFirstElement() instanceof IProductPlugin);
}
int count = fPluginTable.getTable().getItemCount();
if (updateRemoveAll) tablePart.setButtonEnabled(4, isEditable() && count > 0);
tablePart.setButtonEnabled(2, isEditable() && count > 0);
tablePart.setButtonEnabled(5, isEditable() && tableSelection.length == 1);
}
/* (non-Javadoc)
* @see org.eclipse.pde.internal.ui.editor.PDESection#modelChanged(org.eclipse.pde.core.IModelChangedEvent)
*/
public void modelChanged(IModelChangedEvent e) {
// No need to call super, handling world changed event here
if (e.getChangeType() == IModelChangedEvent.WORLD_CHANGED) {
handleModelEventWorldChanged(e);
return;
}
Object[] objects = e.getChangedObjects();
if (e.getChangeType() == IModelChangedEvent.INSERT) {
for (int i = 0; i < objects.length; i++) {
if (objects[i] instanceof IProductPlugin) fPluginTable.add(objects[i]);
}
} else if (e.getChangeType() == IModelChangedEvent.REMOVE) {
Table table = fPluginTable.getTable();
int index = table.getSelectionIndex();
for (int i = 0; i < objects.length; i++) {
if (objects[i] instanceof IProductPlugin) fPluginTable.remove(objects[i]);
}
// Update Selection
int count = table.getItemCount();
if (count == 0) {
// Nothing to select
} else if (index < count) {
table.setSelection(index);
} else {
table.setSelection(count - 1);
}
} else if (e.getChangeType() == IModelChangedEvent.CHANGE) {
fPluginTable.refresh();
}
updateRemoveButtons(false, true);
}