/*******************************************************************************
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 *******************************************************************************/

package com.liferay.ide.alloy.ui.editor;

import com.liferay.ide.xml.search.ui.editor.LiferayCustomXmlHover;

import java.util.List;

import org.eclipse.jface.text.ITextHover;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.wst.jsdt.web.support.jsp.JSDTStructuredTextViewerConfigurationJSP;
import org.eclipse.wst.sse.ui.internal.ExtendedConfigurationBuilder;
import org.eclipse.wst.sse.ui.internal.SSEUIPlugin;
import org.eclipse.wst.sse.ui.internal.taginfo.AnnotationHoverProcessor;
import org.eclipse.wst.sse.ui.internal.taginfo.ProblemAnnotationHoverProcessor;
import org.eclipse.wst.sse.ui.internal.taginfo.TextHoverManager;

/**
 * @author Kuo Zhang
 */
@SuppressWarnings( "restriction" )
public class PortletJSPSourceViewerConfiguration extends JSDTStructuredTextViewerConfigurationJSP
{
    @SuppressWarnings( { "rawtypes", "unchecked" } )
    protected ITextHover[] createDocumentationHovers( String partitionType )
    {
        List extendedTextHover =
            ExtendedConfigurationBuilder.getInstance().getConfigurations(
                ExtendedConfigurationBuilder.DOCUMENTATIONTEXTHOVER, partitionType );

        return (ITextHover[]) extendedTextHover.toArray( new ITextHover[extendedTextHover.size()] );
    }

    @Override
    public ITextHover getTextHover( ISourceViewer sourceViewer, String contentType, int stateMask )
    {
        ITextHover textHover = null;

        TextHoverManager.TextHoverDescriptor[] hoverDescs =
                SSEUIPlugin.getDefault().getTextHoverManager().getTextHovers();

        int i = 0;

        while( i < hoverDescs.length && textHover == null )
        {
            if( hoverDescs[i].isEnabled() && computeStateMask( hoverDescs[i].getModifierString() ) == stateMask )
            {
                String hoverType = hoverDescs[i].getId();

                if( TextHoverManager.PROBLEM_HOVER.equalsIgnoreCase( hoverType ) )
                {
                    textHover = new ProblemAnnotationHoverProcessor();
                }
                else if( TextHoverManager.ANNOTATION_HOVER.equalsIgnoreCase( hoverType ) )
                {
                    textHover = new AnnotationHoverProcessor();
                }
                else if( TextHoverManager.COMBINATION_HOVER.equalsIgnoreCase( hoverType ) )
                {
                    textHover = (ITextHover) new LiferayCustomXmlHover();
                }
                else if( TextHoverManager.DOCUMENTATION_HOVER.equalsIgnoreCase( hoverType ) )
                {
                    ITextHover[] hovers = createDocumentationHovers(contentType);

                    if( hovers != null && hovers.length > 0 )
                    {
                        textHover = hovers[0];
                    }
                }
            }

            i++;
        }

        return textHover;
    }
}