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: * Alexei Goncharov (Polarion Software) - initial API and implementation *******************************************************************************/ package org.eclipse.team.svn.ui.composite; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IMenuListener; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.action.Separator; import org.eclipse.jface.viewers.ColumnWeightData; import org.eclipse.jface.viewers.DoubleClickEvent; import org.eclipse.jface.viewers.IDoubleClickListener; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.TableLayout; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.SashForm; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.swt.widgets.Text; import org.eclipse.team.svn.core.connector.SVNProperty; import org.eclipse.team.svn.core.connector.SVNRevision; import org.eclipse.team.svn.core.resource.IRepositoryLocation; import org.eclipse.team.svn.core.utility.FileUtility; import org.eclipse.team.svn.ui.SVNUIMessages; import org.eclipse.team.svn.ui.dialog.DefaultDialog; import org.eclipse.team.svn.ui.properties.RevPropertiesEditPanel; import org.eclipse.team.svn.ui.repository.model.RepositoryPending; import org.eclipse.team.svn.ui.utility.ColumnedViewerComparator; import org.eclipse.team.svn.ui.utility.UIMonitorUtility; import org.eclipse.ui.IWorkbenchActionConstants; /** * Composite for viewing revision properties * * @author Alexei Goncharov */ public class RevisionPropertiesComposite extends Composite { protected static final int COLUMN_NAME = 0; protected static final int COLUMN_VALUE = 1; protected SVNProperty[] properties; protected IRepositoryLocation location; protected SVNRevision revision; protected TableViewer propertyViewer; protected Text propertyText; protected boolean isPending; public RevisionPropertiesComposite(Composite parent) { super(parent, SWT.NONE); this.properties = new SVNProperty[0]; this.createControls(parent); } public void setPending(final boolean isPending) { this.isPending = isPending; UIMonitorUtility.getDisplay().syncExec(new Runnable() { public void run() { if (isPending) { RevisionPropertiesComposite.this.propertyViewer.getTable().setLinesVisible(false); } else { RevisionPropertiesComposite.this.propertyViewer.getTable().setLinesVisible(true); } RevisionPropertiesComposite.this.rereshTableData(); } }); } public synchronized void disconnectComposite() { this.properties = new SVNProperty[0]; } public void setInput(SVNProperty[] revProperties) { this.properties = revProperties; UIMonitorUtility.getDisplay().syncExec(new Runnable() { public void run() { RevisionPropertiesComposite.this.rereshTableData(); } }); } public SVNProperty[] getSetProps() { return this.properties; } public void setLocationAndRevision(IRepositoryLocation location, SVNRevision revision) { this.location = location; this.revision = revision; } protected void rereshTableData() { if (this.isPending) { this.propertyViewer.setInput(new String[] { "" }); //$NON-NLS-1$ return; } this.propertyViewer.setInput(RevisionPropertiesComposite.this.properties); this.propertyText.setText(""); //$NON-NLS-1$ } protected void createControls(Composite parent) { GridLayout layout = null; GridData data = null; layout = new GridLayout(); layout.marginHeight = 0; layout.marginWidth = 0; this.setLayout(layout); SashForm innerSashForm = new SashForm(this, SWT.VERTICAL); data = new GridData(GridData.FILL_BOTH); innerSashForm.setLayoutData(data); Table table = new Table(innerSashForm, SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.MULTI); table.setHeaderVisible(true); table.setLinesVisible(true); data = new GridData(GridData.FILL_BOTH); data.horizontalSpan = 2; table.setLayoutData(data); TableLayout tableLayout = new TableLayout(); table.setLayout(tableLayout); this.propertyText = new Text(innerSashForm, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL); this.propertyText.setBackground(this.propertyText.getBackground()); this.propertyText.setEditable(false); data = new GridData(GridData.FILL_BOTH); this.propertyText.setLayoutData(data); innerSashForm.setWeights(new int[] { 70, 30 }); this.propertyViewer = new TableViewer(table); this.propertyViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { if (event.getSelection() instanceof IStructuredSelection) { Object selection = ((IStructuredSelection) event.getSelection()).getFirstElement(); if (selection != null && selection instanceof SVNProperty) { RevisionPropertiesComposite.this.propertyText.setText(((SVNProperty) selection).value); } } } }); //creating a comparator right now to get column listeners ColumnedViewerComparator comparator = new ColumnedViewerComparator(this.propertyViewer) { public int compareImpl(Viewer viewer, Object row1, Object row2) { if (row1 instanceof SVNProperty) { SVNProperty data1 = (SVNProperty) row1; SVNProperty data2 = (SVNProperty) row2; return this.column == RevisionPropertiesComposite.COLUMN_NAME ? ColumnedViewerComparator.compare(data1.name, data2.name) : ColumnedViewerComparator.compare(data1.value, data2.value); } return 0; } }; TableColumn col = new TableColumn(table, SWT.NONE); col.setResizable(true); col.setText(SVNUIMessages.PropertiesComposite_Name); col.addSelectionListener(comparator); tableLayout.addColumnData(new ColumnWeightData(30, true)); col = new TableColumn(table, SWT.NONE); col.setResizable(true); col.setText(SVNUIMessages.PropertiesComposite_Value); col.addSelectionListener(comparator); tableLayout.addColumnData(new ColumnWeightData(70, true)); //adding a comparator and selecting a default sort column this.propertyViewer.setComparator(comparator); comparator.setColumnNumber(RevisionPropertiesComposite.COLUMN_NAME); this.propertyViewer.getTable() .setSortColumn(this.propertyViewer.getTable().getColumn(RevisionPropertiesComposite.COLUMN_NAME)); this.propertyViewer.getTable().setSortDirection(SWT.UP); this.propertyViewer.setContentProvider(new IStructuredContentProvider() { public Object[] getElements(Object inputElement) { if (RevisionPropertiesComposite.this.isPending) { return (Object[]) inputElement; } return RevisionPropertiesComposite.this.properties; } public void dispose() { } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } }); this.propertyViewer.setLabelProvider(new ITableLabelProvider() { public Image getColumnImage(Object element, int columnIndex) { return null; } public String getColumnText(Object element, int columnIndex) { if (RevisionPropertiesComposite.this.isPending) { if (columnIndex == RevisionPropertiesComposite.COLUMN_NAME) { return SVNUIMessages.getString(RepositoryPending.PENDING); } return ""; //$NON-NLS-1$ } SVNProperty data = (SVNProperty) element; if (columnIndex == 0) { return data.name; } return FileUtility.formatMultilineText(data.value); } public void addListener(ILabelProviderListener listener) { } public void dispose() { } public boolean isLabelProperty(Object element, String property) { return true; } public void removeListener(ILabelProviderListener listener) { } }); MenuManager menuMgr = new MenuManager(); Menu menu = menuMgr.createContextMenu(table); menuMgr.addMenuListener(new IMenuListener() { public void menuAboutToShow(IMenuManager manager) { manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); final IStructuredSelection tSelection = (IStructuredSelection) RevisionPropertiesComposite.this.propertyViewer .getSelection(); if (tSelection.size() == 1 && tSelection.getFirstElement() instanceof String) { return; } Action tAction = null; boolean isItitialized = RevisionPropertiesComposite.this.properties != null; if (isItitialized) { manager.add(tAction = new Action(SVNUIMessages.PropertiesComposite_Add) { public void run() { RevisionPropertiesComposite.this.editProperty(null); } }); tAction.setEnabled(RevisionPropertiesComposite.this.location != null); manager.add(tAction = new Action(SVNUIMessages.PropertiesComposite_Edit) { public void run() { SVNProperty data = (SVNProperty) tSelection.getFirstElement(); RevisionPropertiesComposite.this.editProperty(data); } }); tAction.setEnabled(tSelection.size() == 1); } } }); menuMgr.setRemoveAllWhenShown(true); table.setMenu(menu); this.propertyViewer.addDoubleClickListener(new IDoubleClickListener() { public void doubleClick(DoubleClickEvent e) { IStructuredSelection selection = (IStructuredSelection) e.getSelection(); if (selection.size() == 1) { SVNProperty data = (SVNProperty) selection.getFirstElement(); RevisionPropertiesComposite.this.editProperty(data); } } }); } protected void editProperty(SVNProperty data) { RevPropertiesEditPanel panel = new RevPropertiesEditPanel(this.properties, this.revision); panel.setPropertyToEdit(data); if (new DefaultDialog(UIMonitorUtility.getShell(), panel).open() == 0) { RevPropertiesEditPanel.doSetRevisionProperty(panel, this.location, this.revision); } } }