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/*******************************************************************************
* Copyright (c) 2004, 2012 QNX Software Systems and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* QNX Software Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.dialogs.cpaths;
import java.util.Arrays;
import org.eclipse.cdt.internal.ui.CPluginImages;
import org.eclipse.cdt.internal.ui.viewsupport.ListContentProvider;
import org.eclipse.cdt.ui.CUIPlugin;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
public class CPathContainerSelectionPage extends WizardPage {
private static final String DIALOGSTORE_SECTION = "CPathContainerSelectionPage"; //$NON-NLS-1$
private static final String DIALOGSTORE_CONTAINER_IDX = "index"; //$NON-NLS-1$
private static class CPathContainerLabelProvider extends LabelProvider {
@Override
public String getText(Object element) {
return ((IContainerDescriptor) element).getName();
}
@Override
public Image getImage(Object element) {
return ((IContainerDescriptor) element).getImage();
}
}
private static class CPathContainerSorter extends ViewerSorter {
@Override
public int category(Object element) {
if (element instanceof ProjectContainerDescriptor) {
return 0;
}
return 1;
}
}
private TableViewer fListViewer;
private IContainerDescriptor[] fContainers;
private IDialogSettings fDialogSettings;
/**
* Constructor for ClasspathContainerWizardPage.
* @param containerPages
*/
protected CPathContainerSelectionPage(IContainerDescriptor[] containerPages) {
super("CPathContainerWizardPage"); //$NON-NLS-1$
setTitle(CPathEntryMessages.CPathContainerSelectionPage_title);
setDescription(CPathEntryMessages.CPathContainerSelectionPage_description);
setImageDescriptor(CPluginImages.DESC_WIZBAN_ADD_LIBRARY);
fContainers = containerPages;
IDialogSettings settings = CUIPlugin.getDefault().getDialogSettings();
fDialogSettings = settings.getSection(DIALOGSTORE_SECTION);
if (fDialogSettings == null) {
fDialogSettings = settings.addNewSection(DIALOGSTORE_SECTION);
fDialogSettings.put(DIALOGSTORE_CONTAINER_IDX, 0);
}
validatePage();
}
/* (non-Javadoc)
* @see IDialogPage#createControl(Composite)
*/
@Override
public void createControl(Composite parent) {
fListViewer = new TableViewer(parent, SWT.SINGLE | SWT.BORDER);
fListViewer.setLabelProvider(new CPathContainerLabelProvider());
fListViewer.setContentProvider(new ListContentProvider());
fListViewer.setSorter(new CPathContainerSorter());
fListViewer.setInput(Arrays.asList(fContainers));
fListViewer.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
validatePage();
}
});
fListViewer.addDoubleClickListener(new IDoubleClickListener() {
@Override
public void doubleClick(DoubleClickEvent event) {
doDoubleClick();
}
});
int selectionIndex = fDialogSettings.getInt(DIALOGSTORE_CONTAINER_IDX);
if (selectionIndex >= fContainers.length) {
selectionIndex = 0;
}
fListViewer.getTable().select(selectionIndex);
validatePage();
setControl(fListViewer.getTable());
Dialog.applyDialogFont(fListViewer.getTable());
}
/**
* Method validatePage.
*/
void validatePage() {
setPageComplete(getSelected() != null);
}
public IContainerDescriptor getSelected() {
if (fListViewer != null) {
ISelection selection = fListViewer.getSelection();
if (selection instanceof IStructuredSelection) {
IStructuredSelection ss = (IStructuredSelection) selection;
if (ss.size() == 1)
return (IContainerDescriptor) ss.getFirstElement();
}
}
return null;
}
protected void doDoubleClick() {
if (canFlipToNextPage()) {
getContainer().showPage(getNextPage());
}
}
/* (non-Javadoc)
* @see IWizardPage#canFlipToNextPage()
*/
@Override
public boolean canFlipToNextPage() {
return isPageComplete(); // avoid the getNextPage call to prevent potential plugin load
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.IDialogPage#setVisible(boolean)
*/
@Override
public void setVisible(boolean visible) {
if (!visible && fListViewer != null) {
fDialogSettings.put(DIALOGSTORE_CONTAINER_IDX, fListViewer.getTable().getSelectionIndex());
}
super.setVisible(visible);
}
}
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