/*******************************************************************************
* 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.project.ui.migration;
import com.liferay.ide.project.core.upgrade.UpgradeAssistantSettingsUtil;
import com.liferay.ide.project.core.upgrade.UpgradeProblems;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
/**
* @author Gregory Amerson
* @author Terry Jia
* @author Lovett Li
*/
public class MigrationContentProvider implements ITreeContentProvider
{
List<ProblemsContainer> _problems;
@Override
public void dispose()
{
}
@Override
public Object[] getChildren( Object parentElement )
{
if( parentElement instanceof ProblemsContainer )
{
ProblemsContainer problemsContainer = (ProblemsContainer) parentElement;
return problemsContainer.getProblemsArray();
}
else if( parentElement instanceof UpgradeProblems )
{
return ( (UpgradeProblems) parentElement ).getProblems();
}
return null;
}
@Override
public Object[] getElements( Object inputElement )
{
return _problems.toArray();
}
@Override
public Object getParent( Object element )
{
return null;
}
@Override
public boolean hasChildren( Object element )
{
if( element instanceof ProblemsContainer )
{
ProblemsContainer problemsContainer = (ProblemsContainer) element;
UpgradeProblems[] upgradeProblemsArray = problemsContainer.getProblemsArray();
if( upgradeProblemsArray.length == 1 )
{
return problemsContainer.getProblemsArray()[0].getProblems().length > 0;
}
else
{
return true;
}
}
else if( element instanceof UpgradeProblems )
{
return ( (UpgradeProblems) element ).getProblems().length > 0;
}
return false;
}
@Override
public void inputChanged( Viewer viewer, Object oldInput, Object newInput )
{
if( newInput instanceof IWorkspaceRoot )
{
_problems = new ArrayList<ProblemsContainer>();
try
{
MigrationProblemsContainer container =
UpgradeAssistantSettingsUtil.getObjectFromStore( MigrationProblemsContainer.class );
if( container != null )
{
_problems.add( container );
}
}
catch( Exception e )
{
}
}
}
public void setProblems( List<ProblemsContainer> problems )
{
this._problems = problems;
}
}