Java tutorial
/* Copyright (C) 2006 NTT DATA Corporation This program is free software; you can redistribute it and/or Modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. */ package com.clustercontrol.repository.view.action; import java.util.ArrayList; import java.util.List; import java.util.Map; import java.util.concurrent.ConcurrentHashMap; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.eclipse.core.commands.AbstractHandler; import org.eclipse.core.commands.ExecutionEvent; import org.eclipse.core.commands.ExecutionException; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.ui.IWorkbenchPage; import org.eclipse.ui.IWorkbenchPart; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.commands.IElementUpdater; import org.eclipse.ui.handlers.HandlerUtil; import org.eclipse.ui.menus.UIElement; import com.clustercontrol.repository.action.DeleteScopeProperty; import com.clustercontrol.repository.action.GetScopeListTableDefine; import com.clustercontrol.repository.bean.FacilityConstant; import com.clustercontrol.repository.util.ScopePropertyUtil; import com.clustercontrol.repository.view.ScopeListView; import com.clustercontrol.util.Messages; import com.clustercontrol.ws.repository.FacilityInfo; import com.clustercontrol.ws.repository.FacilityTreeItem; /** * ???<BR> * * @version 5.0.0 * @since 1.0.0 */ public class ScopeDeleteAction extends AbstractHandler implements IElementUpdater { public static final String ID = ScopeDeleteAction.class.getName(); // ----- instance ----- // /** */ private static Log m_log = LogFactory.getLog(ScopeDeleteAction.class); private IWorkbenchPart viewPart; /** * Dispose */ @Override public void dispose() { this.viewPart = null; } // ----- instance ----- // /** * @see org.eclipse.core.commands.IHandler#execute */ @Override public Object execute(ExecutionEvent event) throws ExecutionException { // ?????? // ?????? this.viewPart = HandlerUtil.getActivePart(event); ScopeListView scopeListView = null; try { scopeListView = (ScopeListView) this.viewPart.getAdapter(ScopeListView.class); } catch (Exception e) { m_log.info("execute " + e.getMessage()); return null; } if (scopeListView == null) { m_log.info("execute: view is null"); return null; } List<?> selectionList = scopeListView.getSelectedScopeItems(); if (null == selectionList) { return null; } Map<String, List<String>> map = new ConcurrentHashMap<String, List<String>>(); List<String> facilityNameList = new ArrayList<String>(); for (Object obj : selectionList) { if (obj instanceof FacilityTreeItem) { FacilityTreeItem item = (FacilityTreeItem) obj; FacilityTreeItem manager = ScopePropertyUtil.getManager(item); String managerName = null; if (manager == null) { managerName = item.getChildren().get(0).getData().getFacilityId(); } else { managerName = manager.getData().getFacilityId(); } if (map.get(managerName) == null) { map.put(managerName, new ArrayList<String>()); } } } int size = 0; String facilityId = null; for (Object obj : selectionList) { String managerName = null; if (obj instanceof FacilityTreeItem) { FacilityTreeItem item = (FacilityTreeItem) obj; // ????????? FacilityInfo info = item.getData(); if (info.getFacilityType() == FacilityConstant.TYPE_COMPOSITE || info.getFacilityType() == FacilityConstant.TYPE_NODE) { continue; } FacilityTreeItem manager = ScopePropertyUtil.getManager(item); if (manager == null) { managerName = item.getChildren().get(0).getData().getFacilityId(); } else { managerName = manager.getData().getFacilityId(); } facilityId = item.getData().getFacilityId(); map.get(managerName).add(facilityId); facilityNameList.add(item.getData().getFacilityName()); } else { List<?> sList = (List<?>) obj; facilityId = null; String facilityName = null; if (sList != null) { managerName = (String) sList.get(GetScopeListTableDefine.MANAGER_NAME); facilityId = (String) sList.get(GetScopeListTableDefine.FACILITY_ID); facilityName = (String) sList.get(GetScopeListTableDefine.FACILITY_NAME); facilityNameList.add(facilityName); map.get(managerName).add(facilityId); } } size++; } // ??????????? if (map.isEmpty()) { return null; } // ??????????? String msg = ""; String[] args = new String[2]; if (size == 1) { args[0] = facilityNameList.get(0); args[1] = facilityId; msg = "message.repository.3"; } else { args[0] = Integer.toString(size); msg = "message.repository.52"; } if (MessageDialog.openConfirm(null, Messages.getString("confirmed"), Messages.getString(msg, args)) == false) { return null; } for (Map.Entry<String, List<String>> entry : map.entrySet()) { String managerName = entry.getKey(); List<String> facilityIdList = entry.getValue(); new DeleteScopeProperty().delete(managerName, facilityIdList); } // scopeListView.update(); return null; } @Override public void updateElement(UIElement element, @SuppressWarnings("rawtypes") Map parameters) { IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); // page may not start at state restoring if (null != window) { IWorkbenchPage page = window.getActivePage(); if (null != page) { IWorkbenchPart part = page.getActivePart(); boolean editEnable = false; if (part instanceof ScopeListView) { // Enable button when 1 item is selected ScopeListView view = (ScopeListView) part; if (view.getBuiltin() == false && (view.getScopeTreeComposite().getTree().isFocusControl() || view.getComposite().getTable().isFocusControl())) { switch (view.getType()) { case FacilityConstant.TYPE_COMPOSITE: break; case FacilityConstant.TYPE_SCOPE: editEnable = !view.getNotReferFlg(); break; case FacilityConstant.TYPE_NODE: break; default: // ?? break; } } } this.setBaseEnabled(editEnable); } else { this.setBaseEnabled(false); } } } }