com.ephesoft.dcma.gwt.rv.client.presenter.PreImageLoadingPresenter.java Source code

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/********************************************************************************* 
* Ephesoft is a Intelligent Document Capture and Mailroom Automation program 
* developed by Ephesoft, Inc. Copyright (C) 2010-2012 Ephesoft Inc. 
* 
* This program is free software; you can redistribute it and/or modify it under 
* the terms of the GNU Affero General Public License version 3 as published by the 
* Free Software Foundation with the addition of the following permission added 
* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK 
* IN WHICH THE COPYRIGHT IS OWNED BY EPHESOFT, EPHESOFT DISCLAIMS THE WARRANTY 
* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. 
* 
* 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 Affero General Public License for more 
* details. 
* 
* You should have received a copy of the GNU Affero General Public License along with 
* this program; if not, see http://www.gnu.org/licenses or write to the Free 
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 
* 02110-1301 USA. 
* 
* You can contact Ephesoft, Inc. headquarters at 111 Academy Way, 
* Irvine, CA 92617, USA. or at email address info@ephesoft.com. 
* 
* The interactive user interfaces in modified source and object code versions 
* of this program must display Appropriate Legal Notices, as required under 
* Section 5 of the GNU Affero General Public License version 3. 
* 
* In accordance with Section 7(b) of the GNU Affero General Public License version 3, 
* these Appropriate Legal Notices must retain the display of the "Ephesoft" logo. 
* If the display of the logo is not reasonably feasible for 
* technical reasons, the Appropriate Legal Notices must display the words 
* "Powered by Ephesoft". 
********************************************************************************/

package com.ephesoft.dcma.gwt.rv.client.presenter;

import java.util.ArrayList;
import java.util.List;

import com.ephesoft.dcma.batch.schema.Batch;
import com.ephesoft.dcma.batch.schema.Document;
import com.ephesoft.dcma.batch.schema.Page;
import com.ephesoft.dcma.batch.schema.Batch.Documents;
import com.ephesoft.dcma.gwt.rv.client.ReviewValidateDocServiceAsync;
import com.ephesoft.dcma.gwt.rv.client.event.DocExpandEvent;
import com.ephesoft.dcma.gwt.rv.client.event.DocExpandEventHandler;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.user.client.ui.HasWidgets;

public class PreImageLoadingPresenter implements Presenter {

    public final ReviewValidateDocServiceAsync rpcService;
    public final HandlerManager eventBus;
    public final ReviewValidatePresenter reviewValidatePresenter;

    @Override
    public void onPresenterLoad(HasWidgets container) {
        // no need to implement anything in the go method.
    }

    public PreImageLoadingPresenter(ReviewValidateDocServiceAsync rpcService, HandlerManager eventBus,
            ReviewValidatePresenter reviewValidatePresenter) {
        this.rpcService = rpcService;
        this.eventBus = eventBus;
        this.reviewValidatePresenter = reviewValidatePresenter;
        this.injectEvent(eventBus);
    }

    private void injectEvent(HandlerManager eventBus) {
        eventBus.addHandler(DocExpandEvent.type, new DocExpandEventHandler() {

            @Override
            public void onExpand(DocExpandEvent event) {
                Document nextDocument = reviewValidatePresenter.getView().getDocTree().getNextDocument();
                if (nextDocument != null && nextDocument.getPages() != null) {
                    List<Page> pageList = nextDocument.getPages().getPage();
                    for (Page page : pageList) {
                        if (page != null) {
                            setDocImageUrl(page);
                        }
                    }
                }
            }

            /**
             * @param page
             */
            private void setDocImageUrl(Page page) {
                String newFileName = page.getNewFileName();
                if (newFileName != null && !newFileName.isEmpty()) {
                    reviewValidatePresenter.getView().getDocTree().getTempImage()
                            .setUrl(reviewValidatePresenter.batchDTO.getAbsoluteURLFor(page.getNewFileName()));
                }
                String thumbNailFile = page.getThumbnailFileName();
                if (thumbNailFile != null && !thumbNailFile.isEmpty()) {
                    reviewValidatePresenter.getView().getDocTree().getTempImage().setUrl(
                            reviewValidatePresenter.batchDTO.getAbsoluteURLFor(page.getThumbnailFileName()));
                }
            }
        });
    }

    public void loadInvalidDocuments(String batchId, int numberOfInvalidDocs) {
        Batch batch = reviewValidatePresenter.batchDTO.getBatch();
        List<Document> documentList = new ArrayList<Document>();
        Documents documents = batch.getDocuments();
        if (documents != null) {
            List<Document> docList = documents.getDocument();
            switch (reviewValidatePresenter.batchDTO.getBatchInstanceStatus()) {
            case READY_FOR_REVIEW:
                // Loading un reviewed document.
                for (Document document : docList) {
                    if (document != null && !document.isReviewed()) {
                        if (documentList.size() < numberOfInvalidDocs) {
                            documentList.add(document);
                        } else {
                            break;
                        }
                    }
                }
                break;

            case READY_FOR_VALIDATION:

                // Loading invalidated document
                for (Document document : docList) {
                    if (document != null && (!document.isReviewed() || !document.isValid())) {
                        if (documentList.size() < numberOfInvalidDocs) {
                            documentList.add(document);
                        } else {
                            break;
                        }
                    }
                }
                break;

            default:
                break;
            }

            for (Document document : documentList) {
                if (document != null && document.getPages() != null) {
                    List<Page> pageList = document.getPages().getPage();
                    for (Page page : pageList) {
                        if (page != null) {
                            String newFileName = page.getNewFileName();
                            if (newFileName != null && !newFileName.isEmpty()) {
                                reviewValidatePresenter.getView().getDocTree().getTempImage().setUrl(
                                        reviewValidatePresenter.batchDTO.getAbsoluteURLFor(page.getNewFileName()));
                            }
                            String thumbNailFile = page.getThumbnailFileName();
                            if (thumbNailFile != null && !thumbNailFile.isEmpty()) {
                                reviewValidatePresenter.getView().getDocTree().getTempImage()
                                        .setUrl(reviewValidatePresenter.batchDTO
                                                .getAbsoluteURLFor(page.getThumbnailFileName()));
                            }
                        }
                    }
                }
            }
        }
    }
}