package org.xmind.cathy.internal.css;
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.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;
@SuppressWarnings("restriction")
public class CSSPropertySelectedTabAreaSWTHandler extends
AbstractCSSPropertySWTHandler {
public static final CSSPropertySelectedTabAreaSWTHandler INSTANCE = new CSSPropertySelectedTabAreaSWTHandler();
@Override
protected void applyCSSProperty(Control control, String property,
CSSValue value, String pseudo, CSSEngine engine) throws Exception {
if (!(control instanceof CTabFolder)) {
return;
}
CTabFolderRenderer renderer = ((CTabFolder) control).getRenderer();
if (!(renderer instanceof ICTabFolderRendering))
return;
ICTabFolderRendering tabFolderRendering = (ICTabFolderRendering) renderer;
if (value.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
Color color = (Color) engine.convert(value, Color.class,
control.getDisplay());
tabFolderRendering.setSelectedTabAreaColor(color);
return;
}
if (value.getCssValueType() == CSSValue.CSS_VALUE_LIST) {
Gradient grad = (Gradient) engine.convert(value, Gradient.class,
control.getDisplay());
if (grad == null) {
return;
}
Color[] colors = null;
int[] percents = null;
if (!grad.getValues().isEmpty()) {
colors = CSSSWTColorHelper.getSWTColors(grad,
control.getDisplay(), engine);
percents = CSSSWTColorHelper.getPercents(grad);
}
tabFolderRendering.setSelectedTabAreaColor(colors, percents);
}
}
@Override
protected String retrieveCSSProperty(Control control, String property,
String pseudo, CSSEngine engine) throws Exception {
return null;
}
}