Java tutorial
/////////////////////////////////////////////////////////////////////////////// // // PACKAGE : com.astra.ses.spell.gui.views.controls.master // // FILE : CurrentExecutorsTable.java // // DATE : 2008-11-21 08:55 // // Copyright (C) 2008, 2012 SES ENGINEERING, Luxembourg S.A.R.L. // // By using this software in any way, you are agreeing to be bound by // the terms of this license. // // 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 // // NO WARRANTY // EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, THE PROGRAM IS PROVIDED // ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER // EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR // CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A // PARTICULAR PURPOSE. Each Recipient is solely responsible for determining // the appropriateness of using and distributing the Program and assumes all // risks associated with its exercise of rights under this Agreement , // including but not limited to the risks and costs of program errors, // compliance with applicable laws, damage to or loss of data, programs or // equipment, and unavailability or interruption of operations. // // DISCLAIMER OF LIABILITY // EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, NEITHER RECIPIENT NOR ANY // CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION // LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) // ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE // EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE // POSSIBILITY OF SUCH DAMAGES. // // Contributors: // SES ENGINEERING - initial API and implementation and/or initial documentation // // PROJECT : SPELL // // SUBPROJECT: SPELL GUI Client // /////////////////////////////////////////////////////////////////////////////// package com.astra.ses.spell.gui.views.controls.master; import java.util.ArrayList; import java.util.Iterator; import org.eclipse.jface.viewers.DoubleClickEvent; import org.eclipse.jface.viewers.IDoubleClickListener; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TableViewerColumn; import org.eclipse.swt.SWT; import com.astra.ses.spell.gui.core.interfaces.IExecutorInfo; import com.astra.ses.spell.gui.core.interfaces.ServiceManager; import com.astra.ses.spell.gui.core.model.types.Level; import com.astra.ses.spell.gui.core.utils.Logger; import com.astra.ses.spell.gui.dialogs.ControlInfoDialog; import com.astra.ses.spell.gui.procs.interfaces.IProcedureManager; import com.astra.ses.spell.gui.procs.interfaces.model.IProcedure; /******************************************************************************* * @brief * @date 09/10/07 ******************************************************************************/ public class CurrentExecutorsTable extends TableViewer implements IDoubleClickListener { // ========================================================================= // # STATIC DATA MEMBERS // ========================================================================= // PRIVATE ----------------------------------------------------------------- /** Procedure manager handle */ private static IProcedureManager s_procMgr = null; // PROTECTED --------------------------------------------------------------- // PUBLIC ------------------------------------------------------------------ // ========================================================================= // # INSTANCE DATA MEMBERS // ========================================================================= // PRIVATE ----------------------------------------------------------------- // PROTECTED --------------------------------------------------------------- // PUBLIC ------------------------------------------------------------------ // ========================================================================= // # ACCESSIBLE METHODS // ========================================================================= /*************************************************************************** * Constructor. * * @param procId * The procedure identifier * @param parent * The parent composite **************************************************************************/ public CurrentExecutorsTable(ExecutorComposite parent) { super(parent, SWT.MULTI | SWT.FULL_SELECTION | SWT.BORDER | SWT.V_SCROLL); if (s_procMgr == null) { s_procMgr = (IProcedureManager) ServiceManager.get(IProcedureManager.class); } getTable().addSelectionListener(parent); getTable().setHeaderVisible(true); getTable().setLinesVisible(true); createColumns(); setContentProvider(new CurrentExecutorsContentProvider()); setLabelProvider(new CurrentExecutorsLabelProvider()); setInput(s_procMgr); addDoubleClickListener(this); } /*************************************************************************** * Refresh the selected procedure. In case of failure, refresh the whole * list, since the procedure may habe disappeared **************************************************************************/ public void refresh(String procId) { try { IProcedure proc = s_procMgr.getProcedure(procId); Logger.debug("Refreshing procedure with id " + procId, Level.GUI, this); Logger.debug("Executor details " + proc.getProcId(), Level.GUI, this); Logger.debug(" instance " + proc, Level.GUI, this); Logger.debug(" controlling client " + proc.getRuntimeInformation().getControllingClient(), Level.GUI, this); Logger.debug(" monitoring clients " + proc.getRuntimeInformation().getMonitoringClients(), Level.GUI, this); refresh(proc); } catch (Exception ex) { refresh(); } } /*************************************************************************** * Refresh all procedure models **************************************************************************/ public void refresh() { try { Logger.debug("Refresh executors table", Level.GUI, this); Object[] procs = ((IStructuredContentProvider) getContentProvider()).getElements(s_procMgr); for (Object procObj : procs) { if (procObj instanceof IProcedure) { IProcedure proc = (IProcedure) procObj; Logger.debug("Executor details" + proc.getProcId(), Level.GUI, this); Logger.debug(" controlling client " + proc.getRuntimeInformation().getControllingClient(), Level.GUI, this); Logger.debug(" monitoring clients " + proc.getRuntimeInformation().getMonitoringClients(), Level.GUI, this); proc.getController().updateInfo(); refresh(proc); } } super.refresh(); } catch (Exception ex) { ex.printStackTrace(); } } /*************************************************************************** * Get the selected procedure **************************************************************************/ public String[] getSelectedProcedures() { ArrayList<String> ids = new ArrayList<String>(); IStructuredSelection sel = (IStructuredSelection) getSelection(); if (!sel.isEmpty()) { @SuppressWarnings("unchecked") Iterator<IProcedure> it = sel.iterator(); while (it.hasNext()) { Object proc = it.next(); if (proc instanceof IProcedure) { ids.add(((IProcedure) proc).getProcId()); } else if (proc instanceof IExecutorInfo) { ids.add(((IExecutorInfo) proc).getProcId()); } } } return ids.toArray(new String[0]); } /*************************************************************************** * **************************************************************************/ private void createColumns() { for (int index = 0; index < CurrentExecutorsTableItems.values().length; index++) { CurrentExecutorsTableItems item = CurrentExecutorsTableItems.index(index); TableViewerColumn col = new TableViewerColumn(this, SWT.NONE); col.getColumn().setText(item.title); if (item.width > 0) col.getColumn().setWidth(item.width); col.getColumn().setResizable(true); col.getColumn().setMoveable(false); if (item.center) col.getColumn().setAlignment(SWT.CENTER); } } @Override public void doubleClick(DoubleClickEvent event) { ISelection sel = getSelection(); if ((sel != null) && (!sel.isEmpty())) { IStructuredSelection isel = (IStructuredSelection) sel; IProcedure proc = (IProcedure) isel.getFirstElement(); ControlInfoDialog dialog = new ControlInfoDialog(getTable().getShell(), proc); dialog.open(); } } }