| /*=============================================================================# |
| # Copyright (c) 2005, 2021 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.ecommons.preferences.ui; |
| |
| import java.util.Set; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.runtime.IStatus; |
| 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.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| 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.Viewer; |
| import org.eclipse.jface.viewers.ViewerComparator; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.dialogs.SelectionStatusDialog; |
| |
| import org.eclipse.statet.ecommons.ui.components.StatusInfo; |
| import org.eclipse.statet.internal.ecommons.preferences.ui.Messages; |
| import org.eclipse.statet.internal.ecommons.ui.UIMiscellanyPlugin; |
| |
| |
| public class ProjectSelectionDialog extends SelectionStatusDialog { |
| |
| |
| private static class ContentProvider implements IStructuredContentProvider { |
| |
| @Override |
| public Object[] getElements(final Object inputElement) { |
| return ((Set) inputElement).toArray(); |
| } |
| @Override |
| public void inputChanged(final Viewer viewer, final Object oldInput, final Object newInput) { |
| } |
| @Override |
| public void dispose() { |
| } |
| } |
| |
| private static class ProjectLabelProvider extends LabelProvider { |
| |
| @Override |
| public String getText(final Object element) { |
| if (element instanceof IProject) { |
| return ((IProject) element).getName(); |
| } |
| return super.getText(element); |
| } |
| } |
| |
| private static class ProjectComparator extends ViewerComparator { |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public int compare(final Viewer viewer, final Object e1, final Object e2) { |
| |
| return getComparator().compare( ((IProject) e1).getName(), ((IProject) e2).getName() ); |
| } |
| } |
| |
| |
| private Set<IProject> fAllItems; |
| private Set<IProject> fFilteredItems; |
| |
| // the visual selection widget group |
| private TableViewer fTableViewer; |
| // sizing constants |
| private final static int SIZING_SELECTION_WIDGET_HEIGHT= 250; |
| private final static int SIZING_SELECTION_WIDGET_WIDTH = 300; |
| |
| private ViewerFilter fFilter; |
| private final static String DIALOG_SETTINGS_SHOW_ALL = "ProjectSelectionDialog.show_all"; //$NON-NLS-1$ |
| |
| |
| public ProjectSelectionDialog(final Shell parentShell, final Set<IProject> all, final Set<IProject> filtered) { |
| super(parentShell); |
| setTitle(Messages.ProjectSelectionDialog_title); |
| setMessage(Messages.ProjectSelectionDialog_desciption); |
| |
| fAllItems = all; |
| fFilteredItems = filtered; |
| |
| fFilter = new ViewerFilter() { |
| @Override |
| public boolean select(final Viewer viewer, final Object parentElement, final Object element) { |
| for (final Object object : fFilteredItems) { |
| if (element == object) { |
| return true; |
| } |
| } |
| return false; |
| } |
| }; |
| } |
| |
| |
| @Override |
| protected Control createDialogArea(final Composite parent) { |
| // page group |
| final Composite composite = (Composite) super.createDialogArea(parent); |
| |
| createMessageArea(composite); |
| |
| fTableViewer = new TableViewer(composite, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER); |
| fTableViewer.addSelectionChangedListener(new ISelectionChangedListener() { |
| @Override |
| public void selectionChanged(final SelectionChangedEvent event) { |
| doSelectionChanged(((IStructuredSelection) event.getSelection()).toArray()); |
| } |
| }); |
| fTableViewer.addDoubleClickListener(new IDoubleClickListener() { |
| @Override |
| public void doubleClick(final DoubleClickEvent event) { |
| okPressed(); |
| } |
| }); |
| final GridData data = new GridData(SWT.FILL, SWT.FILL, true, true); |
| data.heightHint = SIZING_SELECTION_WIDGET_HEIGHT; |
| data.widthHint = SIZING_SELECTION_WIDGET_WIDTH; |
| fTableViewer.getTable().setLayoutData(data); |
| |
| fTableViewer.setContentProvider(new ContentProvider()); |
| fTableViewer.setLabelProvider(new ProjectLabelProvider()); |
| fTableViewer.setComparator((new ProjectComparator())); |
| |
| final Button checkbox = new Button(composite, SWT.CHECK); |
| checkbox.setText(Messages.ProjectSelectionDialog_filter); |
| checkbox.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, true, false)); |
| checkbox.addSelectionListener(new SelectionListener() { |
| @Override |
| public void widgetSelected(final SelectionEvent e) { |
| updateFilter(((Button) e.widget).getSelection()); |
| } |
| @Override |
| public void widgetDefaultSelected(final SelectionEvent e) { |
| updateFilter(((Button) e.widget).getSelection()); |
| } |
| }); |
| final IDialogSettings dialogSettings = UIMiscellanyPlugin.getInstance().getDialogSettings(); |
| final boolean doFilter = !dialogSettings.getBoolean(DIALOG_SETTINGS_SHOW_ALL) && !fFilteredItems.isEmpty(); |
| checkbox.setSelection(doFilter); |
| updateFilter(doFilter); |
| |
| fTableViewer.setInput(fAllItems); |
| |
| doSelectionChanged(new Object[0]); |
| Dialog.applyDialogFont(composite); |
| return composite; |
| } |
| |
| protected void updateFilter(final boolean selected) { |
| if (selected) { |
| fTableViewer.addFilter(fFilter); |
| } |
| else { |
| fTableViewer.removeFilter(fFilter); |
| } |
| UIMiscellanyPlugin.getInstance().getDialogSettings().put(DIALOG_SETTINGS_SHOW_ALL, !selected); |
| } |
| |
| private void doSelectionChanged(final Object[] objects) { |
| if (objects.length != 1) { |
| updateStatus(new StatusInfo(IStatus.ERROR, "")); //$NON-NLS-1$ |
| setSelectionResult(null); |
| } |
| else { |
| updateStatus(new StatusInfo()); |
| setSelectionResult(objects); |
| } |
| } |
| |
| @Override |
| protected void computeResult() { |
| } |
| |
| } |