X-Git-Url: http://secure.phpeclipse.com diff --git a/archive/net.sourceforge.phpeclipse.css.ui/src/net/sourceforge/phpeclipse/css/ui/internal/outline/CssOutlineContentProvider.java b/archive/net.sourceforge.phpeclipse.css.ui/src/net/sourceforge/phpeclipse/css/ui/internal/outline/CssOutlineContentProvider.java new file mode 100644 index 0000000..1bd8b24 --- /dev/null +++ b/archive/net.sourceforge.phpeclipse.css.ui/src/net/sourceforge/phpeclipse/css/ui/internal/outline/CssOutlineContentProvider.java @@ -0,0 +1,95 @@ +/* + * Copyright (c) 2003-2004 Christopher Lenz and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Common Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/cpl-v10.html + * + * Contributors: + * Christopher Lenz - initial API and implementation + * + * $Id: CssOutlineContentProvider.java,v 1.1 2004-09-02 18:11:49 jsurfer Exp $ + */ + +package net.sourceforge.phpeclipse.css.ui.internal.outline; + +import net.sourceforge.phpeclipse.css.core.model.IRule; +import net.sourceforge.phpeclipse.css.core.model.IStyleSheet; + +import org.eclipse.jface.viewers.ITreeContentProvider; +import org.eclipse.jface.viewers.Viewer; + +/** + * Content provider for the CSS outline page. + */ +public class CssOutlineContentProvider implements ITreeContentProvider { + + // Instance Variables ------------------------------------------------------ + + /** + * The parsed style sheet. + */ + private IStyleSheet styleSheet; + + // ITreeContentProvider Implementation ------------------------------------- + + /* + * ITreeContentProvider#getChildren(Object) + */ + public Object[] getChildren(Object parentElement) { + if (parentElement instanceof IRule) { + return ((IRule) parentElement).getChildren(); + } + return new Object[0]; + } + + /* + * @see ITreeContentProvider#getParent(Object) + */ + public Object getParent(Object element) { + if (element instanceof IRule) { + return ((IRule) element).getParent(); + } + return null; + } + + /* + * @see ITreeContentProvider#hasChildren(Object) + */ + public boolean hasChildren(Object element) { + return getChildren(element).length > 0; + } + + /* + * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(Object) + */ + public Object[] getElements(Object inputElement) { + if (styleSheet != null) { + return styleSheet.getRules(); + } + return new Object[0]; + } + + /* + * @see org.eclipse.jface.viewers.IContentProvider#dispose() + */ + public void dispose() { + styleSheet = null; + } + + /* + * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(Viewer, Object, Object) + */ + public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { + if (oldInput != newInput) { + if (oldInput instanceof IStyleSheet) { + styleSheet = null; + } + if (newInput instanceof IStyleSheet) { + IStyleSheet newStyleSheet = (IStyleSheet) newInput; + styleSheet = newStyleSheet; + } + } + } + +}