private void createSelectAllAction() {
IActionBars actionBars = getViewSite().getActionBars();
if (isInListState()) {
fSelectAllAction = new SelectAllAction((TableViewer) fWrappedViewer.getViewer());
actionBars.setGlobalActionHandler(ActionFactory.SELECT_ALL.getId(), fSelectAllAction);
} else {
actionBars.setGlobalActionHandler(ActionFactory.SELECT_ALL.getId(), null);
fSelectAllAction = null;
}
actionBars.updateActionBars();
}
private void switchViewer(int state) {
// Indicate which viewer is to be used
if (fCurrViewState == state) return;
else {
fCurrViewState = state;
IPreferenceStore store = DLTKUIPlugin.getDefault().getPreferenceStore();
store.setValue(getViewSite().getId() + TAG_VIEW_STATE, state);
}
// get the information from the existing viewer
StructuredViewer viewer = fWrappedViewer.getViewer();
Object object = viewer.getInput();
ISelection selection = viewer.getSelection();
// create and set up the new viewer
Control control = createViewer(fWrappedViewer.getControl().getParent()).getControl();
setUpViewer(fWrappedViewer);
createSelectAllAction();
// add the selection information from old viewer
fWrappedViewer.setViewerInput(object);
fWrappedViewer.getControl().setFocus();
fWrappedViewer.setSelection(selection, true);
// dispose old viewer
viewer.getContentProvider().dispose();
viewer.getControl().dispose();
// layout the new viewer
if (control != null && !control.isDisposed()) {
control.setVisible(true);
control.getParent().layout(true);
}
}
/**
* Overrides the createContentProvider from JavaBrowsingPart Creates the content provider of this
* part.
*/
protected IContentProvider createContentProvider() {
if (isInListState()) return new PackagesViewFlatContentProvider(fWrappedViewer.getViewer());
else return new PackagesViewHierarchicalContentProvider(fWrappedViewer.getViewer());
}