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.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.maintenance.composite.HinemosPropertyComposite; import com.clustercontrol.maintenance.view.action.HinemosPropertyAddAction; import com.clustercontrol.maintenance.view.action.HinemosPropertyCopyAction; import com.clustercontrol.maintenance.view.action.HinemosPropertyDeleteAction; import com.clustercontrol.maintenance.view.action.HinemosPropertyModifyAction; import com.clustercontrol.maintenance.view.action.HinemosPropertyRefreshAction; import com.clustercontrol.util.WidgetTestUtil; import com.clustercontrol.view.CommonViewPart; import com.clustercontrol.view.ObjectPrivilegeTargetListView; /** * []<BR> * * @version 5.0.0 * @since 5.0.0 */ public class HinemosPropertyView extends CommonViewPart implements ObjectPrivilegeTargetListView { /** */ private static Log m_log = LogFactory.getLog(HinemosPropertyView.class); /** []ID */ public static final String ID = HinemosPropertyView.class.getName(); /** []? */ private HinemosPropertyComposite composite = null; /** ? */ private int rowNum = 0; public HinemosPropertyView() { 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 HinemosPropertyComposite(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(HinemosPropertyView.ID); //?? StructuredSelection selection = (StructuredSelection) event.getSelection(); if (viewPart != null && selection != null) { HinemosPropertyView view = (HinemosPropertyView) viewPart.getAdapter(HinemosPropertyView.class); if (view == null) { m_log.info("selection changed: view is null"); return; } //???/??? view.setEnabledAction(selection.size(), event.getSelection()); } } }); this.update(); } /** * ???? * * @return ? */ public Composite getComposite() { return this.composite; } /** * ??? * <p> * * ???????????????? ??? <br> * ????????????? */ @Override public void update() { this.composite.update(); } @Override public List<ObjectBean> getSelectedObjectBeans() { return null; } @Override public String getSelectedOwnerRoleId() { return null; } /** * ???? * @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(HinemosPropertyAddAction.ID, null); service.refreshElements(HinemosPropertyCopyAction.ID, null); service.refreshElements(HinemosPropertyDeleteAction.ID, null); service.refreshElements(HinemosPropertyModifyAction.ID, null); service.refreshElements(HinemosPropertyRefreshAction.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); } } /** * ???? * * @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()); } }