Java tutorial
/******************************************************************************* * Copyright (c) 2005-2008 Polarion Software. * 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: * Sergiy Logvin - Initial API and implementation *******************************************************************************/ package org.eclipse.team.svn.ui.wizard.checkoutas; import java.util.ArrayList; import java.util.List; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.viewers.CheckboxTableViewer; import org.eclipse.jface.viewers.ColumnPixelData; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.TableLayout; import org.eclipse.swt.SWT; 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.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.team.svn.core.resource.IRepositoryResource; import org.eclipse.team.svn.ui.SVNTeamUIPlugin; import org.eclipse.team.svn.ui.SVNUIMessages; import org.eclipse.team.svn.ui.dialog.DefaultDialog; import org.eclipse.team.svn.ui.verifier.AbstractVerifier; import org.eclipse.team.svn.ui.wizard.AbstractVerifiedWizardPage; /** * Project selection page * * @author Sergiy Logvin */ public class ProjectsSelectionPage extends AbstractVerifiedWizardPage { protected List selectedProjects; protected IRepositoryResource[] projects; protected CheckboxTableViewer listViewer; protected boolean respectHierarchy; protected boolean checkoutAsFolders; protected ProjectLocationSelectionPage locationPage; protected Button respectHierarchyButton; protected Button checkoutAsFolderButton; protected Button checkoutAsProjectButton; public ProjectsSelectionPage() { super(ProjectsSelectionPage.class.getName(), "", //$NON-NLS-1$ SVNTeamUIPlugin.instance().getImageDescriptor("icons/wizards/newconnect.gif")); //$NON-NLS-1$ } public boolean isCheckoutAsFoldersSelected() { return this.checkoutAsFolders; } public List getSelectedProjects() { return this.selectedProjects; } public boolean isRespectHierarchy() { return !this.checkoutAsFolders && this.respectHierarchy; } public void postInit(ProjectLocationSelectionPage locationPage, IRepositoryResource[] projects, ITableLabelProvider labelProvider, IStructuredContentProvider contentProvider) { this.locationPage = locationPage; this.projects = projects; this.listViewer.setLabelProvider(labelProvider); this.listViewer.setContentProvider(contentProvider); if (projects.length > 1) { this.setTitle(SVNUIMessages.ProjectsSelectionPage_Title_Multi); this.setDescription(SVNUIMessages.ProjectsSelectionPage_Description_Multi); } else { this.setTitle(SVNUIMessages.ProjectsSelectionPage_Title_Single); this.setDescription(SVNUIMessages.ProjectsSelectionPage_Description_Single); } this.checkoutAsFolderButton .setText(this.projects.length > 0 ? SVNUIMessages.ProjectsSelectionPage_CheckoutAsFolder_Multi : SVNUIMessages.ProjectsSelectionPage_CheckoutAsFolder_Single); this.checkoutAsProjectButton .setText(this.projects.length > 0 ? SVNUIMessages.ProjectsSelectionPage_CheckoutAsProject_Multi : SVNUIMessages.ProjectsSelectionPage_CheckoutAsProject_Single); this.listViewer.setInput(projects); this.listViewer.setAllChecked(true); this.refreshSelectedResult(); this.validateContent(); } public Composite createControlImpl(Composite parent) { Composite composite = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); layout.verticalSpacing = 12; composite.setLayout(layout); GridData data = new GridData(GridData.FILL_BOTH); composite.setLayoutData(data); Composite coTypeComposite = new Composite(composite, SWT.NONE); layout = new GridLayout(); layout.marginHeight = layout.marginWidth = 0; coTypeComposite.setLayout(layout); data = new GridData(GridData.FILL_HORIZONTAL); coTypeComposite.setLayoutData(data); this.checkoutAsFolderButton = new Button(coTypeComposite, SWT.RADIO); data = new GridData(GridData.FILL_HORIZONTAL); this.checkoutAsFolderButton.setLayoutData(data); this.checkoutAsFolderButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { ProjectsSelectionPage.this.checkoutAsFolders = true; ProjectsSelectionPage.this.respectHierarchyButton.setEnabled(false); ProjectsSelectionPage.this.validateContent(); } }); this.checkoutAsFolderButton.setSelection(false); this.checkoutAsProjectButton = new Button(coTypeComposite, SWT.RADIO); data = new GridData(GridData.FILL_HORIZONTAL); this.checkoutAsProjectButton.setLayoutData(data); this.checkoutAsProjectButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { ProjectsSelectionPage.this.checkoutAsFolders = false; ProjectsSelectionPage.this.respectHierarchyButton.setEnabled(true); ProjectsSelectionPage.this.validateContent(); } }); this.checkoutAsProjectButton.setSelection(true); this.listViewer = this.createViewer(composite); data = new GridData(GridData.FILL_BOTH); data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH; this.listViewer.getTable().setLayoutData(data); this.listViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { ProjectsSelectionPage.this.refreshSelectedResult(); ProjectsSelectionPage.this.validateContent(); } }); layout = null; this.attachTo(this.listViewer.getTable(), new AbstractVerifier() { protected String getWarningMessage(Control input) { return null; } protected String getErrorMessage(Control input) { Object[] elements = ProjectsSelectionPage.this.listViewer.getCheckedElements(); return elements == null || elements.length == 0 ? SVNUIMessages.ProjectsSelectionPage_CheckoutAsProject_Verifier_Error : null; } }); Composite bottomPart = new Composite(composite, SWT.NONE); layout = new GridLayout(); layout.marginHeight = 0; layout.marginWidth = 0; layout.numColumns = 2; bottomPart.setLayout(layout); data = new GridData(GridData.FILL_HORIZONTAL); bottomPart.setLayoutData(data); Composite tComposite = new Composite(bottomPart, SWT.LEFT); GridLayout gLayout = new GridLayout(); gLayout.numColumns = 2; gLayout.marginWidth = gLayout.marginHeight = 0; tComposite.setLayout(gLayout); data = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING | GridData.FILL_BOTH); data.grabExcessHorizontalSpace = true; tComposite.setData(data); Button selectButton = new Button(tComposite, SWT.PUSH); selectButton.setText(SVNUIMessages.Button_SelectAll); data = new GridData(); data.widthHint = DefaultDialog.computeButtonWidth(selectButton); selectButton.setLayoutData(data); selectButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { ProjectsSelectionPage.this.listViewer.setAllChecked(true); ProjectsSelectionPage.this.refreshSelectedResult(); ProjectsSelectionPage.this.validateContent(); } }); Button deselectButton = new Button(tComposite, SWT.PUSH); deselectButton.setText(SVNUIMessages.Button_ClearSelection); data = new GridData(); data.widthHint = DefaultDialog.computeButtonWidth(deselectButton); deselectButton.setLayoutData(data); deselectButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { ProjectsSelectionPage.this.listViewer.setAllChecked(false); ProjectsSelectionPage.this.refreshSelectedResult(); ProjectsSelectionPage.this.validateContent(); } }); this.respectHierarchyButton = new Button(bottomPart, SWT.CHECK); this.respectHierarchyButton.setText(SVNUIMessages.ProjectsSelectionPage_RespectHierarchy); this.respectHierarchyButton .setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END | GridData.FILL_HORIZONTAL)); this.respectHierarchyButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { ProjectsSelectionPage.this.respectHierarchy = ((Button) e.widget).getSelection(); if (ProjectsSelectionPage.this.locationPage != null) { ProjectsSelectionPage.this.locationPage .setUseDefaultLocation(!ProjectsSelectionPage.this.respectHierarchy); ProjectsSelectionPage.this.locationPage.validateContent(); } ProjectsSelectionPage.this.validateContent(); } }); return composite; } protected CheckboxTableViewer createViewer(Composite parent) { Table table = new Table(parent, SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.CHECK | SWT.BORDER); TableLayout layout = new TableLayout(); GridData data = new GridData(GridData.FILL_BOTH); table.setLayoutData(data); table.setLayout(layout); table.setLinesVisible(true); table.setHeaderVisible(true); CheckboxTableViewer viewer = new CheckboxTableViewer(table); TableColumn col = new TableColumn(table, SWT.NONE); col.setResizable(false); layout.addColumnData(new ColumnPixelData(20, false)); col = new TableColumn(table, SWT.NONE); col.setResizable(true); col.setText(SVNUIMessages.ProjectsSelectionPage_RepositoryURL); layout.addColumnData(new ColumnPixelData(270, true)); col = new TableColumn(table, SWT.NONE); col.setResizable(true); col.setText(SVNUIMessages.ProjectsSelectionPage_ProjectName); layout.addColumnData(new ColumnPixelData(150, true)); col = new TableColumn(table, SWT.NONE); col.setResizable(true); col.setText(SVNUIMessages.ProjectsSelectionPage_ProjectType); layout.addColumnData(new ColumnPixelData(100, true)); return viewer; } public void refreshSelectedResult() { if (this.projects != null) { ArrayList list = new ArrayList(); for (int i = 0; i < this.projects.length; i++) { if (this.listViewer.getChecked(this.projects[i])) { list.add(this.projects[i]); } } this.selectedProjects = list; } } }