Java tutorial
/////////////////////////////////////////////////////////////////////////////// // // PACKAGE : com.astra.ses.spell.gui.views.controls.master // // FILE : CurrentExecutorsLabelProvider.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 org.eclipse.jface.viewers.ITableColorProvider; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Display; import com.astra.ses.spell.gui.Activator; import com.astra.ses.spell.gui.core.interfaces.IProcedureClient; 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.preferences.interfaces.IConfigurationManager; import com.astra.ses.spell.gui.procs.interfaces.model.IProcedure; /** * @author Rafael Chinchilla * */ public class CurrentExecutorsLabelProvider extends LabelProvider implements ITableLabelProvider, ITableColorProvider { private static IConfigurationManager s_cfg = null; private Image m_tickImg; private IConfigurationManager getConfig() { if (s_cfg == null) { s_cfg = (IConfigurationManager) ServiceManager.get(IConfigurationManager.class); } return s_cfg; } public CurrentExecutorsLabelProvider() { super(); m_tickImg = Activator.getImageDescriptor("icons/tick.png").createImage(); } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose() */ @Override public void dispose() { super.dispose(); m_tickImg.dispose(); } /* (non-Javadoc) * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int) */ @Override public Image getColumnImage(Object element, int columnIndex) { if (columnIndex == CurrentExecutorsTableItems.CONTROLLED.ordinal()) { IProcedureClient cClient = null; if (element instanceof IProcedure) { IProcedure proc = (IProcedure) element; cClient = proc.getRuntimeInformation().getControllingClient(); } if ((cClient != null) && (!cClient.getKey().isEmpty())) { return m_tickImg; } } else if (columnIndex == CurrentExecutorsTableItems.MONITORED.ordinal()) { int numC = 0; if (element instanceof IProcedure) { IProcedure proc = (IProcedure) element; Logger.debug("Instance in provider " + proc, Level.GUI, this); IProcedureClient[] clts = proc.getRuntimeInformation().getMonitoringClients(); Logger.debug("Monitorings " + clts, Level.GUI, this); if (clts != null) { numC = clts.length; } } Logger.debug("Number of clients " + numC, Level.GUI, this); if (numC > 0) { return m_tickImg; } } return null; } /* (non-Javadoc) * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int) */ @Override public String getColumnText(Object element, int columnIndex) { if (element instanceof IProcedure) { IProcedure proc = (IProcedure) element; CurrentExecutorsTableItems item = CurrentExecutorsTableItems.index(columnIndex); switch (item) { case PROCEDURE: return proc.getProcName(); case STATUS: return proc.getRuntimeInformation().getStatus().description; } } else if (columnIndex == 0) { return element.toString(); } return null; } /* (non-Javadoc) * @see org.eclipse.jface.viewers.ITableColorProvider#getForeground(java.lang.Object, int) */ @Override public Color getForeground(Object element, int columnIndex) { return Display.getDefault().getSystemColor(SWT.COLOR_BLACK); } /* (non-Javadoc) * @see org.eclipse.jface.viewers.ITableColorProvider#getBackground(java.lang.Object, int) */ @Override public Color getBackground(Object element, int columnIndex) { if (element instanceof IProcedure) { IProcedure proc = (IProcedure) element; return getConfig().getProcedureColor(proc.getRuntimeInformation().getStatus()); } return null; } }