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/*******************************************************************************
* Copyright (c) 2007, 2009 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.jpa.ui.internal.wizards.gen;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.jpt.jpa.core.JpaProject;
import org.eclipse.jpt.jpa.core.JptJpaCorePlugin;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.ui.PlatformUI;
public class PromptJPAProjectWizardPage extends WizardPage {
private static String SELECT_PROJECT_PAGE_NAME = "SelectJPAProject"; //$NON-NLS-1$
private Table projTable;
private TableViewer projTableViewer;
private static int PROJECT_NAME_COLUMN_INDEX = 0;
private final String helpContextId;
protected PromptJPAProjectWizardPage( final String helpContextId ) {
super(SELECT_PROJECT_PAGE_NAME);
setTitle( JptUiEntityGenMessages.GenerateEntitiesWizard_selectJPAProject );
setMessage( JptUiEntityGenMessages.GenerateEntitiesWizard_selectJPAProject_msg );
this.helpContextId = helpContextId;
}
public void createControl(Composite parent) {
Composite composite = new Composite(parent, SWT.NULL);
int nColumns= 1;
GridLayout layout = new GridLayout();
layout.numColumns = nColumns;
composite.setLayout(layout);
Label label = new Label( composite, SWT.NONE );
label.setText( JptUiEntityGenMessages.GenerateEntitiesWizard_selectJPAProject );
projTableViewer = new TableViewer(composite, SWT.SINGLE | SWT.BORDER | SWT.V_SCROLL | SWT.VIRTUAL);
projTable = projTableViewer.getTable();
GridData gd = new GridData( SWT.FILL, SWT.FILL, true, true );
projTable.setLayoutData(gd);
projTable.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
handleJpaProjectSelection();
}
public void widgetDefaultSelected(SelectionEvent e) {
widgetSelected(e);
}
});
projTableViewer = new TableViewer(projTable);
projTableViewer.setLabelProvider(new ProjectTableLabelProvider());
projTableViewer.setContentProvider(new ProjectTableContentProvider());
fillJpaProjectList();
setControl( composite );
validate();
}
private void handleJpaProjectSelection() {
if (projTable.getSelectionIndex() != -1) {
TableItem item = projTable.getItem(projTable.getSelectionIndex());
String projName = item.getText(0);
IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projName);
JpaProject jpaProj = JptJpaCorePlugin.getJpaProject( project );
((GenerateEntitiesFromSchemaWizard)getWizard()).setJpaProject(jpaProj);
validate();
}
}
private void fillJpaProjectList() {
IProject[] projects = ResourcesPlugin.getWorkspace().getRoot().getProjects();
List<String> projNames = new ArrayList<String>();
for ( IProject project : projects )
{
JpaProject jpaProj = JptJpaCorePlugin.getJpaProject( project );
if ( jpaProj != null ) {
projNames.add(project.getName());
}
}
projTableViewer.setInput(projNames);
}
private void validate() {
if (projTable.getSelectionIndex() != -1)
setPageComplete(true);
else
setPageComplete(false);
}
@Override
public final void performHelp()
{
PlatformUI.getWorkbench().getHelpSystem().displayHelp( this.helpContextId );
}
// inner classes
private final class ProjectTableLabelProvider extends LabelProvider implements ITableLabelProvider {
public Image getColumnImage(Object element, int columnIndex)
{
if (columnIndex == PROJECT_NAME_COLUMN_INDEX)
return PlatformUI.getWorkbench().getSharedImages().getImage(org.eclipse.ui.ide.IDE.SharedImages.IMG_OBJ_PROJECT);
return null;
}
public String getColumnText(Object element, int columnIndex)
{
assert element instanceof String;
String projectName = (String)element;
if (columnIndex == PROJECT_NAME_COLUMN_INDEX)
return projectName;
return null;
}
}
private final class ProjectTableContentProvider implements IStructuredContentProvider
{
public Object[] getElements(Object inputElement){
return ((Collection<?>) inputElement).toArray();
}
public void dispose(){}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput){}
}
}
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