@Override
protected void updateTreeFont(Font dialogFont) {
if (hasAtMostOnePage()) {
Composite composite = getTreeViewer().getTree();
applyDialogFont(composite, dialogFont);
composite.layout(true);
} else {
applyDialogFont(filteredTree, dialogFont);
filteredTree.layout(true);
}
}
@Override
protected TreeViewer createTreeViewer(Composite parent) {
int styleBits = SWT.SINGLE;
TreeViewer tree;
if (!hasAtMostOnePage()) {
filteredTree = new PreferenceFilteredTree(parent, styleBits, new PreferencePatternFilter());
filteredTree.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_LIST_BACKGROUND));
tree = filteredTree.getViewer();
} else tree = new TreeViewer(parent, styleBits);
setContentAndLabelProviders(tree);
tree.setInput(getPreferenceManager());
tree.addFilter(new CapabilityFilter());
tree.addSelectionChangedListener(event -> handleTreeSelectionChanged(event));
super.addListeners(tree);
return tree;
}
@Override
protected void selectSavedItem() {
getTreeViewer().setInput(getPreferenceManager());
super.selectSavedItem();
if (getTreeViewer().getTree().getItemCount() > 1) {
// unfortunately super will force focus to the list but we want the
// type ahead combo to get it.
Text filterText = filteredTree.getFilterControl();
if (filterText != null) {
filterText.setFocus();
}
}
}
/**
* Show only the supplied ids.
*
* @param filteredIds
*/
public void showOnly(String[] filteredIds) {
if (!hasAtMostOnePage()) {
filteredTree.addFilter(new PreferenceNodeFilter(filteredIds));
}
}