/*
* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2012, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*/
package org.locationtech.udig.style.sld.editor.internal;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.IFontProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.swt.graphics.Font;
/**
* This PreferenceBoldLabelProvider will bold those elements which really match
* the search contents
*/
public class EditorBoldLabelProvider extends EditorPageLabelProvider
implements IFontProvider {
private FilteredComboTree comboTree;
public EditorBoldLabelProvider(FilteredComboTree comboTree) {
this.comboTree = comboTree;
}
/**
* Using "false" to construct the filter so that this filter can filter
* supernodes of a matching node
*/
PatternItemFilter filterForBoldElements = new PatternItemFilter(false);
public Font getFont(Object element) {
String filterText = comboTree.getFilterControlText();
// Do nothing if it's empty string
if (!(filterText.equals("") || filterText.equals(comboTree.getInitialText()))) {//$NON-NLS-1$
boolean initial = comboTree.getInitialText() != null
&& filterText.equals(comboTree.getInitialText());
if (initial) {
filterForBoldElements.setPattern(null);
} else {
filterForBoldElements.setPattern(filterText);
}
ITreeContentProvider contentProvider = (ITreeContentProvider) comboTree.getViewer()
.getContentProvider();
Object parent = contentProvider.getParent(element);
if (filterForBoldElements.select(comboTree.getViewer(), parent, element)) {
return JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT);
}
}
return null;
}
}