/*******************************************************************************
* Copyright (c) 2013, 2014 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.e4.ui.css.swt.properties.custom;
import org.eclipse.e4.ui.css.core.dom.properties.Gradient;
import org.eclipse.e4.ui.css.core.engine.CSSEngine;
import org.eclipse.e4.ui.css.swt.helpers.CSSSWTColorHelper;
import org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler;
import org.eclipse.e4.ui.internal.css.swt.ICTabRendering;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabFolderRenderer;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.widgets.Control;
import org.w3c.dom.css.CSSValue;
public class CSSPropertye4SelectedTabFillHandler extends
AbstractCSSPropertySWTHandler {
@Override
protected void applyCSSProperty(Control control, String property,
CSSValue value, String pseudo, CSSEngine engine) throws Exception {
if (!(control instanceof CTabFolder)) {
return;
}
CTabFolder folder = (CTabFolder) control;
CTabFolderRenderer renderer = folder.getRenderer();
if (!(renderer instanceof ICTabRendering)) {
return;
}
if (value.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
Color newColor = (Color) engine.convert(value, Color.class,
control.getDisplay());
if (newColor == null) {
return;
}
((ICTabRendering) renderer).setSelectedTabFill(newColor);
} else if (value.getCssValueType() == CSSValue.CSS_VALUE_LIST) {
Gradient grad = (Gradient) engine.convert(value, Gradient.class,
control.getDisplay());
if (grad == null || grad.getRGBs().isEmpty()) {
return;
}
Color[] colors = CSSSWTColorHelper.getSWTColors(grad,
folder.getDisplay(), engine);
int[] percents = CSSSWTColorHelper.getPercents(grad);
((ICTabRendering) renderer).setSelectedTabFill(colors, percents);
}
}
@Override
protected String retrieveCSSProperty(Control control, String property,
String pseudo, CSSEngine engine) throws Exception {
// TODO Auto-generated method stub
return null;
}
}