com.clustercontrol.notify.mail.view.action.MailTemplateDeleteAction.java Source code

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Here is the source code for com.clustercontrol.notify.mail.view.action.MailTemplateDeleteAction.java

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/*
    
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.notify.mail.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.jface.viewers.StructuredSelection;
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.monitor.action.NotifyTableDefineNoCheckBox;
import com.clustercontrol.notify.mail.action.DeleteMailTemplate;
import com.clustercontrol.notify.mail.action.GetMailTemplateListTableDefine;
import com.clustercontrol.notify.mail.composite.MailTemplateListComposite;
import com.clustercontrol.notify.mail.view.MailTemplateListView;
import com.clustercontrol.util.Messages;

/**
 * []?<BR>
 *
 * @version 5.0.0
 * @since 4.0.0
 */
public class MailTemplateDeleteAction extends AbstractHandler implements IElementUpdater {
    /**  */
    private static Log m_log = LogFactory.getLog(MailTemplateDeleteAction.class);

    /** ID */
    public static final String ID = MailTemplateDeleteAction.class.getName();

    /**  */
    private IWorkbenchPart viewPart;

    /**
     * Dispose
     */
    @Override
    public void dispose() {
        this.viewPart = null;
    }

    @Override
    public Object execute(ExecutionEvent event) throws ExecutionException {
        // ???
        this.viewPart = HandlerUtil.getActivePart(event);
        MailTemplateListView view = null;
        try {
            view = (MailTemplateListView) this.viewPart.getAdapter(MailTemplateListView.class);
        } catch (Exception e) {
            m_log.info("execute " + e.getMessage());
            return null;
        }

        if (view == null) {
            m_log.info("execute: view is null");
            return null;
        }

        MailTemplateListComposite composite = (MailTemplateListComposite) view.getListComposite();
        StructuredSelection selection = (StructuredSelection) composite.getTableViewer().getSelection();

        List<?> list = (List<?>) selection.toList();

        Map<String, List<String>> deleteMap = new ConcurrentHashMap<String, List<String>>();
        int size = 0;
        StringBuffer buf = new StringBuffer();
        if (list != null && list.size() > 0) {
            for (Object obj : list) {
                List<?> objList = (List<?>) obj;
                String managerName = (String) objList.get(GetMailTemplateListTableDefine.MANAGER_NAME);
                if (deleteMap.get(managerName) != null) {
                    continue;
                }
                deleteMap.put(managerName, new ArrayList<String>());
            }
            for (Object obj : list) {
                List<?> objList = (List<?>) obj;
                String mailTemplateId = (String) objList.get(NotifyTableDefineNoCheckBox.NOTIFY_ID);
                String managerName = (String) objList.get(NotifyTableDefineNoCheckBox.MANAGER_NAME);
                if (size > 0) {
                    buf.append(", ");
                }
                buf.append(mailTemplateId);
                deleteMap.get(managerName).add(mailTemplateId);
                size++;
            }
        }

        String[] args = { buf.toString() };

        // ?????????
        if (size == 0) {
            MessageDialog.openWarning(null, Messages.getString("warning"),
                    Messages.getString("message.notify.mail.8"));
            return null;
        }

        if (MessageDialog.openConfirm(null, Messages.getString("confirmed"),
                Messages.getString("message.notify.mail.7", args)) == false) {
            return null;
        }

        boolean result = false;
        for (Map.Entry<String, List<String>> entry : deleteMap.entrySet()) {
            String managerName = entry.getKey();
            for (String mailTemplateId : entry.getValue()) {
                result = result | new DeleteMailTemplate().delete(managerName, mailTemplateId);
            }
        }

        if (result) {
            composite.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 MailTemplateListView) {
                    // Enable button when 1 item is selected
                    MailTemplateListView view = (MailTemplateListView) part;

                    if (view.getSelectedNum() > 0) {
                        editEnable = true;
                    }
                }
                this.setBaseEnabled(editEnable);
            } else {
                this.setBaseEnabled(false);
            }
        }
    }

}