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.repository.browser; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.Iterator; import java.util.Map; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.util.TransferDragSourceListener; import org.eclipse.jface.viewers.ColumnWeightData; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.TableLayout; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.swt.SWT; import org.eclipse.swt.dnd.DND; import org.eclipse.swt.dnd.DragSourceEvent; import org.eclipse.swt.dnd.DropTarget; import org.eclipse.swt.dnd.DropTargetAdapter; import org.eclipse.swt.dnd.DropTargetEvent; import org.eclipse.swt.dnd.Transfer; import org.eclipse.swt.events.MouseEvent; import org.eclipse.swt.events.MouseTrackAdapter; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.swt.widgets.TableItem; import org.eclipse.team.svn.core.SVNMessages; import org.eclipse.team.svn.core.connector.SVNRevision; import org.eclipse.team.svn.core.operation.CompositeOperation; import org.eclipse.team.svn.core.operation.IActionOperation; import org.eclipse.team.svn.core.operation.remote.AbstractCopyMoveResourcesOperation; import org.eclipse.team.svn.core.operation.remote.CopyResourcesOperation; import org.eclipse.team.svn.core.operation.remote.MoveResourcesOperation; import org.eclipse.team.svn.core.resource.IRepositoryResource; import org.eclipse.team.svn.core.utility.ProgressMonitorUtility; import org.eclipse.team.svn.core.utility.SVNUtility; import org.eclipse.team.svn.ui.RemoteResourceTransfer; import org.eclipse.team.svn.ui.RemoteResourceTransferrable; import org.eclipse.team.svn.ui.SVNUIMessages; import org.eclipse.team.svn.ui.dialog.DefaultDialog; import org.eclipse.team.svn.ui.operation.RefreshRemoteResourcesOperation; import org.eclipse.team.svn.ui.panel.common.CommentPanel; import org.eclipse.team.svn.ui.repository.model.IToolTipProvider; import org.eclipse.team.svn.ui.repository.model.RepositoryBranches; import org.eclipse.team.svn.ui.repository.model.RepositoryFile; import org.eclipse.team.svn.ui.repository.model.RepositoryFolder; import org.eclipse.team.svn.ui.repository.model.RepositoryResource; import org.eclipse.team.svn.ui.repository.model.RepositoryRoot; import org.eclipse.team.svn.ui.repository.model.RepositoryTags; import org.eclipse.team.svn.ui.repository.model.RepositoryTrunk; import org.eclipse.team.svn.ui.repository.model.ToolTipVariableSetProvider; import org.eclipse.team.svn.ui.utility.ColumnedViewerComparator; import org.eclipse.team.svn.ui.utility.UIMonitorUtility; /** * Repository browser table viewer * * @author Sergiy Logvin */ public class RepositoryBrowserTableViewer extends TableViewer { public static final String FMT_REPOSITORY_RESOURCE = ""; //$NON-NLS-1$ public static final String FMT_REPOSITORY_FILE = "{" + ToolTipVariableSetProvider.NAME_OF_LOCK_OWNER + "}" + //$NON-NLS-1$ //$NON-NLS-2$ "{" + ToolTipVariableSetProvider.NAME_OF_LOCK_CREATION_DATE + "}" + //$NON-NLS-1$ //$NON-NLS-2$ "{" + ToolTipVariableSetProvider.NAME_OF_LOCK_EXPIRATION_DATE + "}" + //$NON-NLS-1$ //$NON-NLS-2$ "{" + ToolTipVariableSetProvider.NAME_OF_LOCK_COMMENT + "}"; //$NON-NLS-1$ //$NON-NLS-2$ public static final String FMT_REPOSITORY_FOLDER = ""; //$NON-NLS-1$ public static final String FMT_REPOSITORY_BRANCHES = RepositoryBrowserTableViewer.FMT_REPOSITORY_FOLDER; public static final String FMT_REPOSITORY_ROOT = RepositoryBrowserTableViewer.FMT_REPOSITORY_FOLDER; public static final String FMT_REPOSITORY_TAGS = RepositoryBrowserTableViewer.FMT_REPOSITORY_FOLDER; public static final String FMT_REPOSITORY_TRUNK = RepositoryBrowserTableViewer.FMT_REPOSITORY_FOLDER; public static final int COLUMN_NAME = 0; public static final int COLUMN_REVISION = 1; public static final int COLUMN_LAST_CHANGE_DATE = 2; public static final int COLUMN_LAST_CHANGE_AUTHOR = 3; public static final int COLUMN_SIZE = 4; public static final int COLUMN_HAS_PROPS = 5; public static final int COLUMN_LOCK_OWNER = 6; private static final Map<Class<?>, String> class2Format = new HashMap<Class<?>, String>(); static { RepositoryBrowserTableViewer.class2Format.put(RepositoryResource.class, RepositoryBrowserTableViewer.FMT_REPOSITORY_RESOURCE); RepositoryBrowserTableViewer.class2Format.put(RepositoryFile.class, RepositoryBrowserTableViewer.FMT_REPOSITORY_FILE); RepositoryBrowserTableViewer.class2Format.put(RepositoryFolder.class, RepositoryBrowserTableViewer.FMT_REPOSITORY_FOLDER); RepositoryBrowserTableViewer.class2Format.put(RepositoryBranches.class, RepositoryBrowserTableViewer.FMT_REPOSITORY_BRANCHES); RepositoryBrowserTableViewer.class2Format.put(RepositoryRoot.class, RepositoryBrowserTableViewer.FMT_REPOSITORY_ROOT); RepositoryBrowserTableViewer.class2Format.put(RepositoryTags.class, RepositoryBrowserTableViewer.FMT_REPOSITORY_TAGS); RepositoryBrowserTableViewer.class2Format.put(RepositoryTrunk.class, RepositoryBrowserTableViewer.FMT_REPOSITORY_TRUNK); } protected static String hasProps; protected static String noProps; protected static String noAuthor; public RepositoryBrowserTableViewer(Table contentsTable) { super(contentsTable); } public RepositoryBrowserTableViewer(Composite parent, int style) { super(parent, style); } public void initialize() { RepositoryBrowserTableViewer.noAuthor = SVNMessages.SVNInfo_NoAuthor; RepositoryBrowserTableViewer.hasProps = SVNUIMessages.RepositoriesView_Browser_HasProps; RepositoryBrowserTableViewer.noProps = SVNUIMessages.RepositoriesView_Browser_NoProps; this.getTable().setHeaderVisible(true); this.getTable().setLinesVisible(true); GridData data = new GridData(GridData.FILL_BOTH); data.horizontalSpan = 2; this.getTable().setLayoutData(data); this.getTable().setLayout(new TableLayout()); this.getTable().addMouseTrackListener(new MouseTrackAdapter() { public void mouseHover(MouseEvent e) { String tooltipText = ""; //$NON-NLS-1$ TableItem item = RepositoryBrowserTableViewer.this.getTable().getItem(new Point(e.x, e.y)); if (item != null) { Object data = item.getData(); if (data != null && data instanceof IToolTipProvider) { tooltipText = ((IToolTipProvider) data) .getToolTipMessage(RepositoryBrowserTableViewer.class2Format.get(data.getClass())); } } RepositoryBrowserTableViewer.this.getTable().setToolTipText(tooltipText); } public void mouseExit(MouseEvent e) { RepositoryBrowserTableViewer.this.getTable().setToolTipText(""); //$NON-NLS-1$ } }); this.addDragSupport(DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK, new Transfer[] { RemoteResourceTransfer.getInstance() }, new TransferDragSourceListener() { public void dragFinished(DragSourceEvent event) { } public void dragSetData(DragSourceEvent event) { if (RemoteResourceTransfer.getInstance().isSupportedType(event.dataType)) { IStructuredSelection selection = (IStructuredSelection) RepositoryBrowserTableViewer.this .getSelection(); ArrayList<IRepositoryResource> resources = new ArrayList<IRepositoryResource>(); for (Iterator<?> it = selection.iterator(); it.hasNext();) { resources.add(((RepositoryResource) it.next()).getRepositoryResource()); } event.data = new RemoteResourceTransferrable( resources.toArray(new IRepositoryResource[0]), 0); } } public void dragStart(DragSourceEvent event) { IStructuredSelection selection = (IStructuredSelection) RepositoryBrowserTableViewer.this .getSelection(); boolean canBeDragged = selection.size() > 0; for (Iterator<?> it = selection.iterator(); it.hasNext();) { if (!(it.next() instanceof RepositoryResource)) { canBeDragged = false; } } event.doit = canBeDragged; } public Transfer getTransfer() { return RemoteResourceTransfer.getInstance(); } }); this.addDropSupport(DND.DROP_COPY | DND.DROP_MOVE, new Transfer[] { RemoteResourceTransfer.getInstance() }, new DropTargetAdapter() { protected int expectedOperation = DND.DROP_MOVE; public void dragOperationChanged(DropTargetEvent event) { this.expectedOperation = event.detail; } public void dragEnter(DropTargetEvent event) { this.expectedOperation = event.detail; } public void dragOver(DropTargetEvent event) { Table repositoryTable = (Table) ((DropTarget) event.widget).getControl(); TableItem aboveItem = repositoryTable.getItem(repositoryTable.toControl(event.x, event.y)); if (aboveItem == null) { event.detail = DND.DROP_NONE; return; } Object aboveObject = aboveItem.getData(); if (!(aboveObject instanceof RepositoryResource) || aboveObject instanceof RepositoryFile) { event.detail = DND.DROP_NONE; return; } RepositoryResource aboveResource = (RepositoryResource) aboveObject; if (aboveResource.getRepositoryResource().getSelectedRevision() != SVNRevision.HEAD) { event.detail = DND.DROP_NONE; return; } IStructuredSelection selection = (IStructuredSelection) RepositoryBrowserTableViewer.this .getSelection(); for (Iterator<?> it = selection.iterator(); it.hasNext();) { RepositoryResource current = (RepositoryResource) it.next(); if (aboveResource == current || aboveResource == current.getParent()) { event.detail = DND.DROP_NONE; return; } } event.detail = this.expectedOperation; } public void drop(DropTargetEvent event) { Table repositoryTable = (Table) ((DropTarget) event.widget).getControl(); RepositoryResource aboveResource = (RepositoryResource) repositoryTable .getItem(repositoryTable.toControl(event.x, event.y)).getData(); CommentPanel commentPanel = new CommentPanel( event.detail == DND.DROP_MOVE ? SVNUIMessages.MoveToAction_Select_Title : SVNUIMessages.CopyToAction_Select_Title); DefaultDialog dialog = new DefaultDialog(UIMonitorUtility.getShell(), commentPanel); if (dialog.open() == IDialogConstants.OK_ID) { AbstractCopyMoveResourcesOperation mainOp = event.detail == DND.DROP_MOVE ? new MoveResourcesOperation(aboveResource.getRepositoryResource(), ((RemoteResourceTransferrable) event.data).resources, commentPanel.getMessage(), null) : new CopyResourcesOperation(aboveResource.getRepositoryResource(), ((RemoteResourceTransferrable) event.data).resources, commentPanel.getMessage(), null); CompositeOperation op = new CompositeOperation(mainOp.getId(), mainOp.getMessagesClass()); op.add(mainOp); ArrayList<IRepositoryResource> toRefresh = new ArrayList<IRepositoryResource>(); toRefresh.add(aboveResource.getRepositoryResource()); if (event.detail == DND.DROP_MOVE) { toRefresh.addAll( Arrays.asList(((RemoteResourceTransferrable) event.data).resources)); } op.add(new RefreshRemoteResourcesOperation( SVNUtility.getCommonParents(toRefresh.toArray(new IRepositoryResource[0]))), new IActionOperation[] { mainOp }); ProgressMonitorUtility.doTaskScheduled(op); } } }); RepositoryBrowserTableComparator comparator = new RepositoryBrowserTableComparator(this); this.createColumn(comparator, SVNUIMessages.RepositoriesView_Browser_Name, SWT.NONE, SWT.LEFT, true, new ColumnWeightData(18, true)); this.createColumn(comparator, SVNUIMessages.RepositoriesView_Browser_Revision, SWT.NONE, SWT.RIGHT, true, new ColumnWeightData(9, true)); this.createColumn(comparator, SVNUIMessages.RepositoriesView_Browser_LastChangedAt, SWT.NONE, SWT.LEFT, true, new ColumnWeightData(17, true)); this.createColumn(comparator, SVNUIMessages.RepositoriesView_Browser_LastChangedBy, SWT.NONE, SWT.LEFT, true, new ColumnWeightData(14, true)); this.createColumn(comparator, SVNUIMessages.RepositoriesView_Browser_Size, SWT.NONE, SWT.RIGHT, true, new ColumnWeightData(10, true)); this.createColumn(comparator, SVNUIMessages.RepositoriesView_Browser_HasProperties, SWT.NONE, SWT.LEFT, true, new ColumnWeightData(12, true)); this.createColumn(comparator, SVNUIMessages.RepositoriesView_Browser_LockOwner, SWT.NONE, SWT.LEFT, true, new ColumnWeightData(13, true)); this.setComparator(comparator); comparator.setColumnNumber(RepositoryBrowserTableViewer.COLUMN_NAME); comparator.setReversed(false); this.getTable().setSortDirection(SWT.UP); this.getTable().setSortColumn(this.getTable().getColumn(RepositoryBrowserTableViewer.COLUMN_NAME)); } protected void createColumn(ColumnedViewerComparator comparator, String name, int style, int alignment, boolean resizable, ColumnWeightData data) { TableColumn column = new TableColumn(this.getTable(), style); column.setText(name); column.setResizable(resizable); column.setAlignment(alignment); ((TableLayout) this.getTable().getLayout()).addColumnData(data); column.addSelectionListener(comparator); } }