com.cubusmail.client.widgets.AttachmentWidget.java Source code

Introduction

Here is the source code for com.cubusmail.client.widgets.AttachmentWidget.java

Source

/* AttachmentPanel.java
    
   Copyright (c) 2009 Juergen Schlierf, All Rights Reserved
       
   This file is part of Cubusmail (http://code.google.com/p/cubusmail/).
       
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 3 of the License, or (at your option) any later version.
       
   This library 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
   Lesser General Public License for more details.
       
   You should have received a copy of the GNU Lesser General Public
   License along with Cubusmail. If not, see <http://www.gnu.org/licenses/>.
       
 */
package com.cubusmail.client.widgets;

import com.cubusmail.client.actions.ActionRegistry;
import com.cubusmail.client.actions.message.DownloadAttachmentAction;
import com.cubusmail.client.actions.message.ViewAttachmentAction;
import com.cubusmail.common.model.GWTAttachment;
import com.cubusmail.common.model.ImageProvider;
import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Image;
import com.smartgwt.client.types.Visibility;
import com.smartgwt.client.widgets.events.MouseDownEvent;
import com.smartgwt.client.widgets.events.MouseDownHandler;
import com.smartgwt.client.widgets.events.RightMouseDownEvent;
import com.smartgwt.client.widgets.events.RightMouseDownHandler;
import com.smartgwt.client.widgets.menu.Menu;

/**
 * Panel for mail attachments.
 * 
 * @author Juergen Schlierf
 */
public class AttachmentWidget extends Composite {

    private Menu contextMenu;
    private GWTAttachment attachment;

    public AttachmentWidget(GWTAttachment attachment) {

        super();
        this.attachment = attachment;

        FlowPanel panel = new FlowPanel();
        initWidget(panel);
        setStyleName("attachmentWidget");

        ShowContextMenuHandler menuHandler = new ShowContextMenuHandler();

        ImageHyperlink link = new ImageHyperlink(
                new Image(GWT.getHostPageBaseURL() + ImageProvider.IMAGE_PREFIX + ImageProvider.MSG_ATTACHMENT),
                attachment.getFileName());
        link.addLeftButtonHandler(menuHandler);
        link.addRightButtonHandler(menuHandler);
        panel.add(link);

        panel.add(new HTML("&nbsp;(" + attachment.getSizeText() + ")&nbsp;"));
        // if ( attachment.isPreview() ) {
        // ToolTip tip = new ToolTip();
        // String url = ServiceProvider.getRetrieveImageServletUrl(
        // attachment.getMessageId(), attachment.getIndex(),
        // true );
        // tip.setHtml( "<img src=\"" + url + "\"/>" );
        // tip.setWidth( 300 );
        // tip.setHeight( 200 );
        // tip.applyTo( this.getElement() );
        // }
        ImageHyperlink downloadLink = new ImageHyperlink(
                new Image(GWT.getHostPageBaseURL() + ImageProvider.IMAGE_PREFIX + ImageProvider.MSG_DOWNLOAD));
        downloadLink.addLeftButtonHandler(new DownloadLeftButtonListener());
        panel.add(downloadLink);
        panel.add(new HTML("&nbsp;&nbsp;&nbsp; "));
    }

    private class ShowContextMenuHandler implements MouseDownHandler, RightMouseDownHandler {

        public void onMouseDown(MouseDownEvent event) {

            showContextMenu(event.getX(), event.getY());
        }

        public void onRightMouseDown(RightMouseDownEvent event) {

            showContextMenu(event.getX(), event.getY());
        }

        private void showContextMenu(int x, int y) {

            ActionRegistry.DOWNLOAD_ATTACHMENT.get(DownloadAttachmentAction.class).setAttachment(attachment);
            ActionRegistry.VIEW_ATTACHMENT.get(ViewAttachmentAction.class).setAttachment(attachment);
            if (contextMenu != null) {
                contextMenu.setLeft(x);
                contextMenu.setTop(y);
                contextMenu.setVisibility(Visibility.VISIBLE);
                contextMenu.draw();
            }
        }
    }

    private class DownloadLeftButtonListener implements MouseDownHandler {

        public void onMouseDown(MouseDownEvent event) {

            // downloadAttachmentAction.execute();
        }
    }

    public void setContextMenu(Menu contextMenu) {

        this.contextMenu = contextMenu;
    }
}