com.clustercontrol.approval.view.ApprovalView.java Source code

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Here is the source code for com.clustercontrol.approval.view.ApprovalView.java

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/*
Copyright (C) 2016 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.approval.view;

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.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.approval.composite.ApprovalComposite;
import com.clustercontrol.approval.view.action.ApprovalDetailAction;
import com.clustercontrol.approval.view.action.ApprovalFilterAction;
import com.clustercontrol.approval.view.action.ApprovalRefreshAction;
import com.clustercontrol.bean.Property;
import com.clustercontrol.client.swt.SWT;
import com.clustercontrol.util.WidgetTestUtil;
import com.clustercontrol.view.CommonViewPart;

/**
 * ?<BR>
 *
 * @version 6.0.0
 * @since 6.0.0
 */
public class ApprovalView extends CommonViewPart {

    // 
    private static Log m_log = LogFactory.getLog(ApprovalView.class);

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

    /** ?? */
    private ApprovalComposite composite = null;
    /** ? */
    private Property condition = null;
    /** ? */
    private int rowNum = 0;

    /**
     * 
     */
    public ApprovalView() {
        super();
    }

    @Override
    protected String getViewName() {
        return this.getClass().getName();
    }

    /**
     * ???
     *
     * @param parent ?
     *
     * @see org.eclipse.ui.IWorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)
     * @see #createContextMenu()
     * @see #update(String)
     */
    @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 ApprovalComposite(parent, SWT.NONE);
        GridData gridData = new GridData();
        gridData.horizontalAlignment = GridData.FILL;
        gridData.verticalAlignment = GridData.FILL;
        gridData.grabExcessHorizontalSpace = true;
        gridData.grabExcessVerticalSpace = true;
        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(ApprovalView.ID);
                //??
                StructuredSelection selection = (StructuredSelection) event.getSelection();
                if (viewPart != null && selection != null) {
                    ApprovalView view = (ApprovalView) viewPart.getAdapter(ApprovalView.class);
                    if (view == null) {
                        m_log.info("selection changed: view is null");
                        return;
                    }
                    //???/???
                    view.setEnabledAction(selection.size(), event.getSelection());
                }
            }
        });
        //?
        this.update();
    }

    /**
     * ????
     *
     * @return ?
     */
    public Property getFilterCondition() {
        return condition;
    }

    /**
     * ????
     *
     * @param condition ?
     */
    public void setFilterCondition(Property condition) {
        this.condition = condition;
    }

    /**
     * ???
     * <p>
     *
     * ????????????????? ??? <br>
     * ??????????????
     */
    public void update() {
        try {
            if (condition == null) {
                composite.update();
            } else {
                composite.update(condition);
            }
        } catch (Exception e) {
            m_log.warn("update(), " + e.getMessage(), e);
        }
    }

    /**
     * ????
     *
     * @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 ApprovalComposite getComposite() {
        return composite;
    }

    /**
     * ????
     * @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(ApprovalDetailAction.ID, null);
            service.refreshElements(ApprovalRefreshAction.ID, null);
            service.refreshElements(ApprovalFilterAction.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);

        }
    }
}