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.Map; 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.IDialogConstants; import org.eclipse.ui.IViewPart; import org.eclipse.ui.IViewReference; 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.bean.FacilityConstant; import com.clustercontrol.repository.dialog.ScopeCreateDialog; import com.clustercontrol.repository.util.ScopePropertyUtil; import com.clustercontrol.repository.view.ScopeListView; import com.clustercontrol.ws.repository.FacilityTreeItem; /** * ?????<BR> * * @version 5.0.0 * @since 1.0.0 */ public class ScopeAddAction extends AbstractHandler implements IElementUpdater { public static final String ID = ScopeAddAction.class.getName(); // ----- instance ----- // /** */ private static Log m_log = LogFactory.getLog(ScopeAddAction.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; } FacilityTreeItem item = scopeListView.getSelectedScopeItem(); // ????????????? if (null == item || item.getData().getFacilityType() == FacilityConstant.TYPE_NODE) { return null; } FacilityTreeItem manager = ScopePropertyUtil.getManager(item); String managerName = manager.getData().getFacilityId(); // ? ScopeCreateDialog dialog = new ScopeCreateDialog(this.viewPart.getSite().getShell(), managerName, null, false); String parentId = item.getData().getFacilityId(); if (managerName.equals(parentId)) { parentId = ""; } dialog.setParentFacilityId(parentId); // ??????????? if (dialog.open() == IDialogConstants.OK_ID) { 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.findView(ScopeListView.ID); // TODO Check why this caused error on RAP. RAP bug? IViewReference viewRef = page.findViewReference(ScopeListView.ID); if (viewRef == null) throw new InternalError("viewRef is null."); IViewPart part = viewRef.getView(false); 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_MANAGER: editEnable = true; break; case FacilityConstant.TYPE_SCOPE: editEnable = !view.getNotReferFlg(); break; case FacilityConstant.TYPE_NODE: break; default: // ?? break; } } } this.setBaseEnabled(editEnable); } } } }