org.eclipse.php.internal.ui.text.PHPOutlineInformationControl.java Source code

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Here is the source code for org.eclipse.php.internal.ui.text.PHPOutlineInformationControl.java

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/*******************************************************************************
 * Copyright (c) 2009 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
 *     Zend Technologies
 *******************************************************************************/
package org.eclipse.php.internal.ui.text;

import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.dltk.core.IModelElement;
import org.eclipse.dltk.core.IType;
import org.eclipse.dltk.core.ITypeHierarchy;
import org.eclipse.dltk.core.ModelException;
import org.eclipse.dltk.ui.text.ScriptOutlineInformationControl;
import org.eclipse.dltk.ui.viewsupport.ScriptUILabelProvider;
import org.eclipse.dltk.ui.viewsupport.StyledDecoratingModelLabelProvider;
import org.eclipse.jface.viewers.IBaseLabelProvider;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.php.core.compiler.PHPFlags;
import org.eclipse.php.internal.ui.PHPUiPlugin;
import org.eclipse.php.internal.ui.corext.util.SuperTypeHierarchyCache;
import org.eclipse.php.ui.OverrideIndicatorLabelDecorator;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IDecoratorManager;
import org.eclipse.ui.PlatformUI;

/**
 * Information control for the PHP language
 * 
 * @author Roy, 2009
 * 
 */
public class PHPOutlineInformationControl extends ScriptOutlineInformationControl {

    public PHPOutlineInformationControl(Shell parent, int shellStyle, int treeStyle, String commandId) {
        super(parent, shellStyle, treeStyle, commandId, null);
    }

    protected ITypeHierarchy getSuperTypeHierarchy(org.eclipse.dltk.core.IType type) {

        ITypeHierarchy th = (ITypeHierarchy) fTypeHierarchies.get(type);
        if (th == null) {
            try {
                th = SuperTypeHierarchyCache.getTypeHierarchy(type, getProgressMonitor());
            } catch (ModelException e) {
                return null;
            } catch (OperationCanceledException e) {
                return null;
            }
            fTypeHierarchies.put(type, th);
        }
        return th;
    };

    @Override
    protected boolean isInnerType(IModelElement element) {
        if (element != null && element.getElementType() == IModelElement.TYPE) {
            IType type = (IType) element;
            type = type.getDeclaringType();
            try {
                if (type != null && !PHPFlags.isNamespace(type.getFlags())) {
                    return true;
                }
            } catch (ModelException e) {
            }
        }
        return false;
    }

    protected TreeViewer createTreeViewer(Composite parent, int style) {
        TreeViewer viewer = super.createTreeViewer(parent, style);

        IDecoratorManager decoratorMgr = PlatformUI.getWorkbench().getDecoratorManager();
        if (decoratorMgr.getEnabled("org.eclipse.php.ui.override.decorator")) { //$NON-NLS-1$
            IBaseLabelProvider labelProvider = viewer.getLabelProvider();
            if (labelProvider instanceof ScriptUILabelProvider) {
                ((ScriptUILabelProvider) viewer.getLabelProvider())
                        .addLabelDecorator(new OverrideIndicatorLabelDecorator());
            } else if (labelProvider instanceof StyledDecoratingModelLabelProvider) {
                // DLTK 5.2
                ((ScriptUILabelProvider) ((StyledDecoratingModelLabelProvider) labelProvider)
                        .getStyledStringProvider()).addLabelDecorator(new OverrideIndicatorLabelDecorator());
            }
        }
        return viewer;
    }
}