tools/qidea/src/main/java/org/qi4j/ide/plugin/idea/concerns/actions/create/inPackage/CreateConcernOfInPackageAction.java

/*  Copyright 2008 Edward Yakop.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.qi4j.ide.plugin.idea.concerns.actions.create.inPackage;

import com.intellij.ide.actions.CreateInPackageActionBase;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.psi.JavaDirectoryService;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiDirectory;
import com.intellij.psi.PsiElement;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NotNull;

import static com.intellij.openapi.actionSystem.DataKeys.PROJECT;
import static com.intellij.openapi.actionSystem.DataKeys.PSI_ELEMENT;
import static com.intellij.util.Icons.CLASS_ICON;
import static org.qi4j.ide.plugin.idea.common.psi.search.GlobalSearchScopeUtil.determineSearchScope;
import static org.qi4j.ide.plugin.idea.common.resource.Qi4jResourceBundle.message;
import static org.qi4j.ide.plugin.idea.concerns.common.Qi4jConcernConstants.TEMPLATE_GENERIC_CONCERN_OF;
import static org.qi4j.ide.plugin.idea.concerns.common.Qi4jConcernUtil.getConcernOfClass;

/**
 * JAVADOC: Non generic concern
 *
 * @author edward.yakop@gmail.com
 * @since 0.1
 */
public class CreateConcernOfInPackageAction extends CreateInPackageActionBase
{
    protected CreateConcernOfInPackageAction()
    {
        super( message( "createConcernOfInPackage.menu.action.text" ),
               message( "createConcernOfInPackage.menu.action.description" ),
               CLASS_ICON );
    }

    @Override
    protected final boolean isAvailable( DataContext dataContext )
    {
        boolean isAvailable = super.isAvailable( dataContext );
        if( !isAvailable )
        {
            return false;
        }

        PsiElement psiElement = PSI_ELEMENT.getData( dataContext );
        if( psiElement == null )
        {
            return false;
        }

        GlobalSearchScope searchScope = determineSearchScope( psiElement );
        if( searchScope == null )
        {
            return false;
        }

        Project project = PROJECT.getData( dataContext );
        PsiClass psiClass = getConcernOfClass( project, searchScope );
        return psiClass != null;
    }

    @NotNull
    protected final PsiElement[] invokeDialog( Project project, PsiDirectory directory )
    {
        MyInputValidator validator = new MyInputValidator( project, directory );
        Messages.showInputDialog( project, message( "createConcernOfInPackage.dlg.prompt" ),
                                  message( "createConcernOfInPackage.dlg.title" ),
                                  Messages.getQuestionIcon(), "", validator );
        return validator.getCreatedElements();
    }

    protected final String getCommandName()
    {
        return message( "createConcernOfInPackage.command.name" );
    }

    protected final String getErrorTitle()
    {
        return message( "createConcernOfInPackage.error.title" );
    }

    protected final String getActionName( PsiDirectory directory, String newName )
    {
        return message( "createConcernOfInPackage.progress.text", newName );
    }

    protected final void doCheckCreate( final PsiDirectory dir, final String className )
        throws IncorrectOperationException
    {
        JavaDirectoryService javaDirectoryService = JavaDirectoryService.getInstance();
        javaDirectoryService.checkCreateClass( dir, className );
    }

    @NotNull
    protected PsiClass doCreate( final PsiDirectory dir, final String className )
        throws IncorrectOperationException
    {
        JavaDirectoryService javaDirectoryService = JavaDirectoryService.getInstance();
        return javaDirectoryService.createClass( dir, className, TEMPLATE_GENERIC_CONCERN_OF );
    }
}