com.clustercontrol.calendar.view.action.CalendarDeleteAction.java Source code

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Here is the source code for com.clustercontrol.calendar.view.action.CalendarDeleteAction.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.calendar.view.action;

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.calendar.util.CalendarEndpointWrapper;
import com.clustercontrol.calendar.view.CalendarListView;
import com.clustercontrol.util.HinemosMessage;
import com.clustercontrol.util.Messages;
import com.clustercontrol.util.UIManager;
import com.clustercontrol.ws.calendar.InvalidRole_Exception;

/**
 * ???<BR>
 *
 * @version 5.0.0
 * @since 2.0.0
 */
public class CalendarDeleteAction extends AbstractHandler implements IElementUpdater {
    private static Log m_log = LogFactory.getLog(CalendarDeleteAction.class);
    public static final String ID = CalendarDeleteAction.class.getName();

    private IWorkbenchWindow window;
    private IWorkbenchPart viewPart;

    /**
     * Handler execution
     */
    @Override
    public Object execute(final ExecutionEvent event) throws ExecutionException {
        this.window = HandlerUtil.getActiveWorkbenchWindow(event);
        // In case this action has been disposed
        if (null == this.window || !isEnabled()) {
            return null;
        }

        this.viewPart = HandlerUtil.getActivePart(event);

        // ?????ID?
        CalendarListView calendarListView = null;
        try {
            calendarListView = (CalendarListView) this.viewPart.getAdapter(CalendarListView.class);
        } catch (Exception e) {
            m_log.info("execute " + e.getMessage());
            return null;
        }

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

        Map<String, List<String>> map = calendarListView.getSelectedItem();

        String[] args = new String[1];
        String msg = null;

        int i = 0;
        String calId = null;
        for (Map.Entry<String, List<String>> entry : map.entrySet()) {
            for (String id : entry.getValue()) {
                calId = id;
                i++;
            }
        }

        if (i > 0) {
            // ???????????
            if (i == 1) {
                msg = "message.calendar.7";
                args[0] = calId;
            } else {
                msg = "message.calendar.71";
                args[0] = Integer.toString(i);
            }

            Map<String, String> errorMsgs = new ConcurrentHashMap<>();
            StringBuffer messageArg = new StringBuffer();
            i = 0;

            if (MessageDialog.openConfirm(null, Messages.getString("confirmed"), Messages.getString(msg, args))) {
                for (Map.Entry<String, List<String>> entry : map.entrySet()) {
                    String managerName = entry.getKey();
                    CalendarEndpointWrapper wrapper = CalendarEndpointWrapper.getWrapper(managerName);
                    if (i > 0) {
                        messageArg.append(", ");
                    }
                    messageArg.append(managerName);
                    try {
                        wrapper.deleteCalendar(entry.getValue());
                    } catch (Exception e) {
                        if (e instanceof InvalidRole_Exception) {
                            // ???
                            errorMsgs.put(managerName, Messages.getString("message.accesscontrol.16"));
                        } else {
                            errorMsgs.put(managerName, Messages.getString("message.calendar.6") + ", "
                                    + HinemosMessage.replace(e.getMessage()));
                        }
                    }
                    i++;
                }

                //
                if (0 < errorMsgs.size()) {
                    UIManager.showMessageBox(errorMsgs, true);
                } else {
                    args[0] = messageArg.toString();
                    // ??
                    MessageDialog.openInformation(null, Messages.getString("successful"),
                            Messages.getString("message.calendar.5", args));
                }

                // 
                calendarListView.update();
            }
        }

        return null;
    }

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

    /**
     * Update handler status
     */
    @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();

                if (part instanceof CalendarListView) {
                    // Enable button when 1 item is selected
                    this.setBaseEnabled(0 < ((CalendarListView) part).getSelectedNum());
                } else {
                    this.setBaseEnabled(false);
                }
            } else {
                this.setBaseEnabled(false);
            }
        }
    }
}