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/*******************************************************************************
* Copyright (c) 2009, 2014 Angelo Zerr 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:
* Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.e4.ui.css.swt.dom;
import org.eclipse.e4.ui.css.core.dom.CSSStylableElement;
import org.eclipse.e4.ui.css.core.engine.CSSEngine;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Widget;
import org.w3c.dom.Node;
/**
* {@link CSSStylableElement} implementation which wrap SWT {@link Composite}.
*
*/
public class CompositeElement extends ControlElement {
private final static String BACKGROUND_OVERRIDDEN_BY_CSS_MARKER = "bgOverriddenByCSS";
public CompositeElement(Composite composite, CSSEngine engine) {
super(composite, engine);
}
@Override
public int getLength() {
return getComposite().getChildren().length;
}
@Override
public Node item(int index) {
Widget w = getComposite().getChildren()[index];
return getElement(w);
}
protected Composite getComposite() {
return (Composite) getNativeWidget();
}
@Override
public void reset() {
super.reset();
Composite composite = getComposite();
if (composite.getData(BACKGROUND_OVERRIDDEN_BY_CSS_MARKER) != null) {
composite.setData(BACKGROUND_OVERRIDDEN_BY_CSS_MARKER, null);
}
}
public static boolean hasBackgroundOverriddenByCSS(Control control) {
return control.getData(BACKGROUND_OVERRIDDEN_BY_CSS_MARKER) != null;
}
public static void setBackgroundOverriddenByCSSMarker(Widget widget) {
if (widget instanceof Composite && !(widget instanceof CTabFolder)) {
widget.setData(BACKGROUND_OVERRIDDEN_BY_CSS_MARKER, true);
}
}
}
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