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);
}
}
private void setViewerWrapperInput(Object input) {
fWrappedViewer.setViewerInput(input);
}