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/*******************************************************************************
* Copyright (c) 2010, 2011 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.common.ui.internal.wizards;
import java.util.Iterator;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
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.common.utility.internal.ArrayTools;
import org.eclipse.jpt.common.utility.internal.CollectionTools;
import org.eclipse.jpt.common.utility.internal.StringTools;
import org.eclipse.jpt.common.utility.internal.iterables.FilteringIterable;
import org.eclipse.jpt.common.utility.internal.iterables.TransformationIterable;
import org.eclipse.jpt.common.utility.internal.iterators.ArrayIterator;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
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;
/**
* JavaProjectWizardPage
*/
public class JavaProjectWizardPage extends WizardPage {
private IJavaProject javaProject;
private String destinationLabel;
private Table projectTable;
private TableViewer projectTableViewer;
private static String SELECT_PROJECT_PAGE_NAME = "SelectJavaProject"; //$NON-NLS-1$
private static int PROJECT_NAME_COLUMN_INDEX = 0;
// ********** constructor **********
public JavaProjectWizardPage(IJavaProject javaProject) {
super(SELECT_PROJECT_PAGE_NAME);
this.javaProject = javaProject;
}
// ********** IDialogPage implementation **********
public void createControl(Composite parent) {
Composite composite = new Composite(parent, SWT.NULL);
GridLayout layout = new GridLayout();
layout.numColumns = 1;
composite.setLayout(layout);
this.buildLabel(composite, this.destinationLabel);
this.projectTable = this.buildProjectTable(composite, this.buildProjectTableSelectionListener());
this.projectTableViewer = this.buildProjectTableViewer(
this.projectTable,
this.buildProjectTableLabelProvider(),
this.buildProjectTableContentProvider());
this.fillProjectList();
this.setControl(composite);
this.setTableSelection(this.javaProject);
this.validate();
}
// ********** listeners **********
private SelectionListener buildProjectTableSelectionListener() {
return new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
selectedProjectChanged();
}
@Override
public void widgetDefaultSelected(SelectionEvent e) {
widgetSelected(e);
}
@Override
public String toString() {
return "PromptProjectWizardPage project table selection listener"; //$NON-NLS-1$
}
};
}
// ********** listener callbacks **********
protected void selectedProjectChanged() {
if(this.projectTable.getSelectionIndex() != -1) {
TableItem item = this.projectTable.getItem(this.projectTable.getSelectionIndex());
String projectName = item.getText(0);
if( ! StringTools.stringIsEmpty(projectName)) {
IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
this.setJavaProject(JavaCore.create(project));
this.validate();
}
}
}
// ********** intra-wizard methods **********
public IJavaProject getJavaProject() {
return this.javaProject;
}
public void setDestinationLabel(String destinationLabel) {
this.destinationLabel = destinationLabel;
}
// ********** protected methods **********
protected void setTableSelection(IJavaProject javaProject) {
if(javaProject != null) {
String projectName = javaProject.getProject().getName();
for(TableItem item: this.projectTable.getItems()) {
if(item.getText(0).equals(projectName)) {
this.projectTable.setSelection(item);
}
}
}
}
protected void fillProjectList() {
this.projectTableViewer.setInput(this.getSortedJavaProjectsNames());
}
// ********** internal methods **********
private void validate() {
this.setPageComplete(this.projectTable.getSelectionIndex() != -1);
}
private void setJavaProject(IJavaProject project) {
this.javaProject = project;
}
private String[] getSortedJavaProjectsNames() {
return ArrayTools.sort(this.getJavaProjectsNames());
}
private String[] getJavaProjectsNames() {
return ArrayTools.array(
new TransformationIterable<IProject, String>(this.getJavaProjects()) {
@Override
protected String transform(IProject project) {
return project.getName();
}
},
new String[0]);
}
protected Iterable<IProject> getJavaProjects() {
return new FilteringIterable<IProject>(CollectionTools.collection(this.getProjects())) {
@Override
protected boolean accept(IProject next) {
try {
return next.hasNature(JavaCore.NATURE_ID);
}
catch (CoreException e) {
return false;
}
}
};
}
protected Iterator<IProject> getProjects() {
return new ArrayIterator<IProject>(ResourcesPlugin.getWorkspace().getRoot().getProjects());
}
// ********** 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 ((String[])inputElement);
}
public void dispose() {}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {}
}
// ********** UI components **********
private ITableLabelProvider buildProjectTableLabelProvider() {
return new ProjectTableLabelProvider();
}
private IStructuredContentProvider buildProjectTableContentProvider() {
return new ProjectTableContentProvider();
}
private Label buildLabel(Composite parent, String text) {
Label label = new Label( parent, SWT.NONE );
label.setText(text);
return label;
}
private Table buildProjectTable(Composite parent, SelectionListener listener) {
TableViewer tableViewer = new TableViewer(parent,
SWT.SINGLE | SWT.BORDER | SWT.V_SCROLL | SWT.VIRTUAL);
Table table = tableViewer.getTable();
table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
table.addSelectionListener(listener);
return table;
}
private TableViewer buildProjectTableViewer(Table parent, ITableLabelProvider labelProvider, IStructuredContentProvider contentProvider) {
TableViewer tableViewer = new TableViewer(parent);
tableViewer.setLabelProvider(labelProvider);
tableViewer.setContentProvider(contentProvider);
return tableViewer;
}
}
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