org.openlmis.web.view.pdf.requisition.RequisitionCellFactory.java Source code

Introduction

Here is the source code for org.openlmis.web.view.pdf.requisition.RequisitionCellFactory.java

Source

/*
 * This program is part of the OpenLMIS logistics management information system platform software.
 * Copyright  2013 VillageReach
 *
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 * 
 * 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. For additional information contact info@OpenLMIS.org.
 */

package org.openlmis.web.view.pdf.requisition;

import com.itextpdf.text.*;
import com.itextpdf.text.pdf.PdfPCell;
import org.apache.commons.lang.NumberUtils;
import org.apache.log4j.Logger;
import org.openlmis.rnr.domain.Column;
import org.openlmis.rnr.domain.ColumnType;
import org.openlmis.rnr.domain.LineItem;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.stereotype.Component;

import java.io.IOException;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.List;

/**
 * This is the class works as a factory of cells to be used in pdf report,
 * it has methods to return a PdfCell with different formatting, like a textCell, headingCell.
 */

@Component
public class RequisitionCellFactory {
    public static final float CELL_PADDING = 5f;
    public static final BaseColor HEADER_BACKGROUND = new BaseColor(210, 210, 210);
    public static final Font H2_FONT = FontFactory.getFont(FontFactory.TIMES, 20f, Font.BOLD, BaseColor.BLACK);
    public static final int WIDTH_PERCENTAGE = 100;
    private static final String OK_IMAGE = "images/ok-icon.png";

    public static final Logger logger = Logger.getLogger(RequisitionCellFactory.class);

    public static PdfPCell numberCell(String value) {
        PdfPCell cell = getPdfPCell(value);
        cell.setHorizontalAlignment(Element.ALIGN_RIGHT);
        return cell;
    }

    private static PdfPCell getPdfPCell(String value) {
        PdfPCell cell = new PdfPCell(new Phrase(value));
        cell.setPadding(CELL_PADDING);
        return cell;
    }

    public static PdfPCell textCell(String value) {
        PdfPCell cell = getPdfPCell(value);
        cell.setHorizontalAlignment(Element.ALIGN_LEFT);
        return cell;
    }

    public static PdfPCell headingCell(String value) {
        Chunk chunk = new Chunk(value, H2_FONT);
        PdfPCell cell = new PdfPCell(new Phrase(chunk));
        cell.setPadding(CELL_PADDING);
        cell.setHorizontalAlignment(Element.ALIGN_LEFT);
        return cell;
    }

    public static List<PdfPCell> getCells(List<? extends Column> visibleColumns, LineItem lineItem, String currency)
            throws NoSuchFieldException, IllegalAccessException, IOException, BadElementException {
        List<PdfPCell> result = new ArrayList<>();
        for (Column column : visibleColumns) {
            ColumnType columnType = column.getColumnType();
            String value = lineItem.getValue(column.getName());
            createCell(result, columnType, value, currency);
        }
        return result;
    }

    private static void createCell(List<PdfPCell> result, ColumnType columnType, String columnValue,
            String currency) throws IOException, BadElementException {
        DecimalFormat moneyFormatter = new DecimalFormat("#,##0.00");
        DecimalFormat formatter = new DecimalFormat("#,##0");
        switch (columnType) {
        case TEXT:
            result.add(textCell(columnValue));
            break;
        case BOOLEAN:
            PdfPCell pdfPCell = Boolean.valueOf(columnValue) ? imageCell() : textCell("");
            result.add(pdfPCell);
            break;
        case NUMERIC:
            if (!columnValue.isEmpty() && NumberUtils.isNumber(columnValue.toString()))
                result.add(numberCell(formatter.format(Double.parseDouble(columnValue.toString())).toString()));
            else
                result.add(numberCell(columnValue));
            break;
        case CURRENCY:
            if (!columnValue.isEmpty() && NumberUtils.isNumber(columnValue.toString()))
                result.add(numberCell(
                        currency + moneyFormatter.format(Double.parseDouble(columnValue.toString())).toString()));
            else
                result.add(numberCell(currency));
            break;

        }
    }

    public static PdfPCell imageCell() throws BadElementException, IOException {
        Resource resource = new ClassPathResource(OK_IMAGE);
        Image image = Image.getInstance(resource.getFile().getAbsolutePath());
        PdfPCell cell = new PdfPCell(image);
        cell.setPadding(CELL_PADDING);
        cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
        cell.setHorizontalAlignment(Element.ALIGN_CENTER);
        return cell;
    }

    public static PdfPCell categoryRow(Integer visibleColumnsSize, LineItem lineItem) {
        Chunk chunk = new Chunk(lineItem.getCategoryName(), FontFactory.getFont(FontFactory.HELVETICA_BOLD));
        PdfPCell cell = new PdfPCell(new Phrase(chunk));
        cell.setColspan(visibleColumnsSize);
        cell.setBackgroundColor(HEADER_BACKGROUND);
        cell.setPadding(CELL_PADDING);
        return cell;
    }

}