/*******************************************************************************
* Copyright (c) 2015 Fabio Zadrozny and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Fabio Zadrozny <fabiofz@gmail.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.e4.ui.css.swt.properties.custom;
import org.eclipse.e4.ui.css.core.dom.properties.ICSSPropertyHandler;
import org.eclipse.e4.ui.css.core.engine.CSSEngine;
import org.eclipse.e4.ui.css.swt.dom.TreeElement;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.widgets.Tree;
import org.w3c.dom.css.CSSValue;
/**
* A handler which will set the foreground color to paint the tree items.
*/
public class CSSPropertyTreeArrowsSWTHandler implements ICSSPropertyHandler {
private static final String SWT_TREE_ARROWS_COLOR = "swt-tree-arrows-color"; //$NON-NLS-1$
private static final String SWT_TREE_ARROWS_MODE = "swt-tree-arrows-mode"; //$NON-NLS-1$
@Override
public boolean applyCSSProperty(Object element, String property, CSSValue value, String pseudo, CSSEngine engine)
throws Exception {
if (element instanceof TreeElement) {
TreeElement treeElement = (TreeElement) element;
Tree tree = treeElement.getTree();
if (SWT_TREE_ARROWS_COLOR.equals(property)) {
if (value.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
Color newColor = (Color) engine.convert(value, Color.class, tree.getDisplay());
treeElement.setTreeArrowsForegroundColor(newColor);
}
} else if (SWT_TREE_ARROWS_MODE.equals(property)) {
// Note: windows-only
treeElement.setTreeArrowsMode(value.getCssText());
}
}
return false;
}
@Override
public String retrieveCSSProperty(Object element, String property, String pseudo, CSSEngine engine)
throws Exception {
return null;
}
}