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.maintenance.view; import java.util.ArrayList; import java.util.List; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Menu; import org.eclipse.ui.IViewPart; import org.eclipse.ui.IWorkbenchPage; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.commands.ICommandService; import com.clustercontrol.accesscontrol.util.ObjectBean; import com.clustercontrol.bean.HinemosModuleConstant; import com.clustercontrol.bean.Property; import com.clustercontrol.maintenance.action.GetMaintenanceListTableDefine; import com.clustercontrol.maintenance.composite.MaintenanceListComposite; import com.clustercontrol.maintenance.view.action.MaintenanceAddAction; import com.clustercontrol.maintenance.view.action.MaintenanceCopyAction; import com.clustercontrol.maintenance.view.action.MaintenanceDeleteAction; import com.clustercontrol.maintenance.view.action.MaintenanceDisableAction; import com.clustercontrol.maintenance.view.action.MaintenanceEnableAction; import com.clustercontrol.maintenance.view.action.MaintenanceModifyAction; import com.clustercontrol.maintenance.view.action.MaintenanceRefreshAction; import com.clustercontrol.maintenance.view.action.ObjectPrivilegeMaintenanceListAction; import com.clustercontrol.util.WidgetTestUtil; import com.clustercontrol.view.CommonViewPart; import com.clustercontrol.view.ObjectPrivilegeTargetListView; /** * []<BR> * * @version 4.0.0 * @since 4.0.0 */ public class MaintenanceListView extends CommonViewPart implements ObjectPrivilegeTargetListView { /** */ private static Log m_log = LogFactory.getLog(MaintenanceListView.class); /** []ID */ public static final String ID = MaintenanceListView.class.getName(); /** []? */ private MaintenanceListComposite composite = null; /** ? */ private int rowNum = 0; /** * */ public MaintenanceListView() { super(); } protected String getViewName() { return this.getClass().getName(); } /** * ViewPart????<BR> * * @see org.eclipse.ui.IWorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite) */ @Override public void createPartControl(Composite parent) { super.createPartControl(parent); GridLayout layout = new GridLayout(1, true); parent.setLayout(layout); layout.marginHeight = 0; layout.marginWidth = 0; composite = new MaintenanceListComposite(parent, SWT.NONE); WidgetTestUtil.setTestId(this, null, composite); GridData gridData = new GridData(); gridData.horizontalAlignment = GridData.FILL; gridData.verticalAlignment = GridData.FILL; gridData.grabExcessHorizontalSpace = true; gridData.grabExcessVerticalSpace = true; this.composite.setLayoutData(gridData); //?? createContextMenu(); this.composite.getTableViewer().addSelectionChangedListener(new ISelectionChangedListener() { @Override public void selectionChanged(SelectionChangedEvent event) { //[]?? IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(); IViewPart viewPart = page.findView(MaintenanceListView.ID); //?? StructuredSelection selection = (StructuredSelection) event.getSelection(); if (viewPart != null && selection != null) { MaintenanceListView view = (MaintenanceListView) viewPart.getAdapter(MaintenanceListView.class); if (view == null) { m_log.info("selection changed: view is null"); return; } //???/??? view.setEnabledAction(selection.size(), event.getSelection()); } } }); this.update(); } /** * ???? * * @see org.eclipse.jface.action.MenuManager * @see org.eclipse.swt.widgets.Menu */ private void createContextMenu() { MenuManager menuManager = new MenuManager(); menuManager.setRemoveAllWhenShown(true); Menu menu = menuManager.createContextMenu(composite.getTable()); WidgetTestUtil.setTestId(this, null, menu); composite.getTable().setMenu(menu); getSite().registerContextMenu(menuManager, this.composite.getTableViewer()); } /** * ???? * * @return ? */ public Composite getListComposite() { return this.composite; } /** * ???????? * <p> * * condition?null?????? * * @param condition * ? */ public void update(Property condition) { this.update(); } /** * ??? * <p> * * ???????????????? ??? <br> * ????????????? */ @Override public void update() { this.composite.update(); } /** * ???? * @return rowNum */ public int getSelectedNum() { return this.rowNum; } /** * ??/??? * * @param num ? * @param selection ????? */ public void setEnabledAction(int num, ISelection selection) { this.rowNum = num; //??/?? ICommandService service = (ICommandService) PlatformUI.getWorkbench().getService(ICommandService.class); if (null != service) { service.refreshElements(ObjectPrivilegeMaintenanceListAction.ID, null); service.refreshElements(MaintenanceAddAction.ID, null); service.refreshElements(MaintenanceModifyAction.ID, null); service.refreshElements(MaintenanceDeleteAction.ID, null); service.refreshElements(MaintenanceCopyAction.ID, null); service.refreshElements(MaintenanceEnableAction.ID, null); service.refreshElements(MaintenanceDisableAction.ID, null); service.refreshElements(MaintenanceRefreshAction.ID, null); // Update ToolBar after elements refreshed // WARN : Both ToolBarManager must be updated after updateActionBars(), otherwise icon won't change. getViewSite().getActionBars().updateActionBars(); getViewSite().getActionBars().getToolBarManager().update(false); } } public String getSelectedId() { StructuredSelection selection = (StructuredSelection) this.composite.getTableViewer().getSelection(); List<?> list = (List<?>) selection.getFirstElement(); String id = null; if (list != null) { id = (String) list.get(GetMaintenanceListTableDefine.MAINTENANCE_ID); } return id; } @Override public List<ObjectBean> getSelectedObjectBeans() { StructuredSelection selection = (StructuredSelection) this.composite.getTableViewer().getSelection(); Object[] objs = selection.toArray(); String managerName = null; String objectType = HinemosModuleConstant.SYSYTEM_MAINTENANCE; String objectId = null; List<ObjectBean> objectBeans = new ArrayList<ObjectBean>(); for (Object obj : objs) { managerName = (String) ((List<?>) obj).get(GetMaintenanceListTableDefine.MANAGER_NAME); objectId = (String) ((List<?>) obj).get(GetMaintenanceListTableDefine.MAINTENANCE_ID); ObjectBean objectBean = new ObjectBean(managerName, objectType, objectId); objectBeans.add(objectBean); } return objectBeans; } @Override public String getSelectedOwnerRoleId() { StructuredSelection selection = (StructuredSelection) this.composite.getTableViewer().getSelection(); List<?> list = (List<?>) selection.getFirstElement(); String id = null; if (list != null) { id = (String) list.get(GetMaintenanceListTableDefine.OWNER_ROLE); } return id; } }