Java tutorial
/******************************************************************************* * Copyright (c) 2012, 2016, 2017 PDT Extension Group and others. * 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: * PDT Extension Group - initial API and implementation * Kaloyan Raev - [501269] externalize strings *******************************************************************************/ package org.eclipse.php.composer.ui.dialogs; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import java.util.ArrayList; import java.util.List; import org.eclipse.core.resources.IFolder; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.php.composer.api.objects.Namespace; import org.eclipse.php.composer.core.log.Logger; import org.eclipse.php.composer.ui.ComposerUIPluginConstants; import org.eclipse.php.composer.ui.ComposerUIPluginImages; import org.eclipse.php.composer.ui.controller.PathController; import org.eclipse.php.composer.ui.utils.WidgetHelper; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.*; import org.eclipse.ui.dialogs.CheckedTreeSelectionDialog; public class PsrDialog extends Dialog { private Text namespaceControl; private Namespace namespace; private IProject project; private TableViewer pathViewer; public PsrDialog(Shell parentShell, Namespace namespace, IProject project) { super(parentShell); this.namespace = namespace; this.project = project; } @Override protected Control createDialogArea(Composite parent) { getShell().setText(Messages.PsrDialog_Title); getShell().setImage(ComposerUIPluginImages.EVENT.createImage()); Composite contents = new Composite(parent, SWT.NONE); contents.setLayout(new GridLayout(3, false)); GridData gd_contents = new GridData(); gd_contents.widthHint = 350; contents.setLayoutData(gd_contents); Label lblEvent = new Label(contents, SWT.NONE); GridData gd_lblEvent = new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1); gd_lblEvent.widthHint = ComposerUIPluginConstants.DIALOG_LABEL_WIDTH; lblEvent.setLayoutData(gd_lblEvent); lblEvent.setText(Messages.PsrDialog_NamespaceLabel); namespaceControl = new Text(contents, SWT.BORDER); GridData gd_eventControl = new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1); gd_eventControl.widthHint = ComposerUIPluginConstants.DIALOG_CONTROL_WIDTH; namespaceControl.setLayoutData(gd_eventControl); namespaceControl.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { namespace.setNamespace(namespaceControl.getText()); } }); if (namespace.getNamespace() != null) { namespaceControl.setText(namespace.getNamespace()); } else { // must never be null, so at least be sure to always return an empty // string namespaceControl.setText(""); //$NON-NLS-1$ } Label lblHandler = new Label(contents, SWT.NONE); lblHandler.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false, 1, 1)); lblHandler.setText(Messages.PsrDialog_PathsLabel); PathController controller = new PathController(); pathViewer = new TableViewer(contents, SWT.BORDER | SWT.FULL_SELECTION); GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1); gridData.minimumHeight = 100; pathViewer.getTable().setLayoutData(gridData); pathViewer.setContentProvider(controller); pathViewer.setLabelProvider(controller); pathViewer.setInput(namespace.getPaths()); Composite buttons = new Composite(contents, SWT.NONE); buttons.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false, 1, 1)); buttons.setLayout(new GridLayout(1, false)); WidgetHelper.trimComposite(buttons, 0); WidgetHelper.setMargin(buttons, -3, -3); WidgetHelper.setSpacing(buttons, -4, 0); Button btnEdit = new Button(buttons, SWT.NONE); btnEdit.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1)); btnEdit.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false, 1, 1)); btnEdit.setText(Messages.PsrDialog_EditButton); btnEdit.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { List<IFolder> folders = new ArrayList<IFolder>(); for (Object path : namespace.getPaths()) { IResource resource = project.findMember((String) path); if (resource != null && resource instanceof IFolder) { folders.add((IFolder) resource); } } CheckedTreeSelectionDialog dialog = ResourceDialog.createMulti(pathViewer.getTable().getShell(), Messages.PsrDialog_SelectionDialogTitle, Messages.PsrDialog_SelectionDialogMessage, new Class[] { IFolder.class }, project, folders); if (dialog.open() == Dialog.OK) { namespace.clear(); for (Object result : dialog.getResult()) { if (result instanceof IFolder) { namespace.add(((IFolder) result).getProjectRelativePath().toString()); } } } } }); Button btnRemove = new Button(buttons, SWT.NONE); btnRemove.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false, 1, 1)); btnRemove.setText(Messages.PsrDialog_RemoveButton); // XXX: add/remove listener on dialog open/close btnRemove.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { ISelection selection = pathViewer.getSelection(); if (!(selection instanceof StructuredSelection)) { return; } StructuredSelection s = (StructuredSelection) selection; for (Object o : s.toArray()) { try { String item = (String) o; pathViewer.remove(item); namespace.remove(item); } catch (Exception e2) { Logger.logException(e2); } } } }); namespace.addPropertyChangeListener(new PropertyChangeListener() { public void propertyChange(PropertyChangeEvent e) { // "namespace" can be modified afterwards by // PsrSection#handleEdit() if (e.getPropertyName().contains("#")) { //$NON-NLS-1$ if (pathViewer.getControl().isDisposed()) { return; } pathViewer.refresh(); } } }); return contents; } public Namespace getNamespace() { return namespace; } public void setProject(IProject project) { this.project = project; } }