Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * */ package org.apache.directory.studio.ldapservers.views; import org.apache.directory.studio.ldapservers.LdapServersPlugin; import org.apache.directory.studio.ldapservers.LdapServersPluginConstants; import org.apache.directory.studio.ldapservers.model.LdapServer; import org.apache.directory.studio.ldapservers.model.LdapServerStatus; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.swt.graphics.Image; /** * This class implements the label provider for the Servers view. * * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> */ public class ServersViewLabelProvider extends LabelProvider implements ITableLabelProvider { // Static strings for dots private static final String THREE_DOTS = "..."; //$NON-NLS-1$ private static final String TWO_DOTS = ".."; //$NON-NLS-1$ private static final String ONE_DOT = "."; //$NON-NLS-1$ /** The counter used for dots */ private int dotsCount = 1; /** * {@inheritDoc} */ public String getColumnText(Object element, int columnIndex) { if (element instanceof LdapServer) { LdapServer server = (LdapServer) element; if (columnIndex == 0) { return server.getName(); } else if (columnIndex == 1) { LdapServerStatus status = ((LdapServer) element).getStatus(); switch (status) { case STARTED: return Messages.getString("ServersViewLabelProvider.Started"); //$NON-NLS-1$ case STARTING: return Messages.getString("ServersViewLabelProvider.Starting") + getDots(); //$NON-NLS-1$ case STOPPED: return Messages.getString("ServersViewLabelProvider.Stopped"); //$NON-NLS-1$ case STOPPING: return Messages.getString("ServersViewLabelProvider.Stopping") + getDots(); //$NON-NLS-1$ case UNKNOWN: return Messages.getString("ServersViewLabelProvider.Unknown"); //$NON-NLS-1$ case REPAIRING: return Messages.getString("ServersViewLabelProvider.Repairing") + getDots(); //$NON-NLS-1$ } } } return super.getText(element); } /** * Gets the dotted string, based on the current dotsCount. * * @return * the dotted string, based on the current dotsCount */ private String getDots() { if (dotsCount == 1) { return ServersViewLabelProvider.ONE_DOT; } else if (dotsCount == 2) { return ServersViewLabelProvider.TWO_DOTS; } else { return ServersViewLabelProvider.THREE_DOTS; } } /** * {@inheritDoc} */ public Image getColumnImage(Object element, int columnIndex) { if (element instanceof LdapServer) { if (columnIndex == 0) { return LdapServersPlugin.getDefault().getImage(LdapServersPluginConstants.IMG_SERVER); } else if (columnIndex == 1) { switch (((LdapServer) element).getStatus()) { case STARTED: return LdapServersPlugin.getDefault().getImage(LdapServersPluginConstants.IMG_SERVER_STARTED); case REPAIRING: case STARTING: switch (dotsCount) { case 1: return LdapServersPlugin.getDefault() .getImage(LdapServersPluginConstants.IMG_SERVER_STARTING1); case 2: return LdapServersPlugin.getDefault() .getImage(LdapServersPluginConstants.IMG_SERVER_STARTING2); case 3: return LdapServersPlugin.getDefault() .getImage(LdapServersPluginConstants.IMG_SERVER_STARTING3); } case STOPPED: return LdapServersPlugin.getDefault().getImage(LdapServersPluginConstants.IMG_SERVER_STOPPED); case STOPPING: switch (dotsCount) { case 1: return LdapServersPlugin.getDefault() .getImage(LdapServersPluginConstants.IMG_SERVER_STOPPING1); case 2: return LdapServersPlugin.getDefault() .getImage(LdapServersPluginConstants.IMG_SERVER_STOPPING2); case 3: return LdapServersPlugin.getDefault() .getImage(LdapServersPluginConstants.IMG_SERVER_STOPPING3); } case UNKNOWN: return LdapServersPlugin.getDefault().getImage(LdapServersPluginConstants.IMG_SERVER); } } } return super.getImage(element); } /** * Increase the counter of the animation. */ public void animate() { dotsCount++; if (dotsCount > 3) { dotsCount = 1; } } }