/**
* Draw vertical separator lines between cells.
*
* @throws IOException
*/
private void drawVerticalLines(PDPageContentStream pageStream, int columnCount, float crtLineY)
throws IOException {
pageStream.addLine(MARGIN, tableTopY, MARGIN, crtLineY);
for (int i = 0; i < columnCount; i++) {
float crtY = MARGIN + rightEdgePos[i];
pageStream.addLine(crtY, tableTopY, crtY, crtLineY);
}
pageStream.closeAndStroke();
}
private PDPageContentStream addPageToDoc(PDDocument doc) throws IOException {
PDPage page = new PDPage();
page.setMediaBox(PAGE_SIZE);
page.setRotation(IS_LANDSCAPE ? 90 : 0);
doc.addPage(page);
PDPageContentStream contentStream = new PDPageContentStream(doc, page, false, false);
// User transformation matrix to change the reference when drawing.
// This is necessary for the landscape position to draw correctly
if (IS_LANDSCAPE) {
contentStream.transform(new Matrix(0f, 1f, -1f, 0f, PAGE_SIZE.getWidth(), 0f));
}
contentStream.setFont(TEXT_FONT, FONT_SIZE);
contentStream.setLineWidth(0.25f);
return contentStream;
}
public ByteArrayOutputStream generateReport(
final int lineCount, final int columnCount, List<String[]> tableContent) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
// Calculate center alignment for text in cell considering font height
final float startTextY = tableTopY - (ROW_HEIGHT / 2) - (TEXT_LINE_HEIGHT / 4);
PDDocument doc = new PDDocument();
PDPageContentStream pageStream = addPageToDoc(doc);
float crtLineY = tableTopY;
float crtTextY = startTextY;
// draw the header
float rowHeight = drawTableHeader(pageStream, columnCount, crtTextY, crtLineY);
crtLineY -= rowHeight;
crtTextY -= rowHeight;
// draw the lines
for (String[] crtLine : tableContent) {
if (crtTextY <= MARGIN) {
drawVerticalLines(pageStream, columnCount, crtLineY);
pageStream.close();
// start new Page
pageStream = addPageToDoc(doc);
crtLineY = tableTopY;
crtTextY = startTextY;
rowHeight = drawTableHeader(pageStream, columnCount, crtTextY, crtLineY);
crtLineY -= rowHeight;
crtTextY -= rowHeight;
}
rowHeight = drawTableRow(pageStream, crtLine, columnCount, crtTextY, crtLineY);
crtLineY -= rowHeight;
crtTextY -= rowHeight;
}
drawVerticalLines(pageStream, columnCount, crtLineY);
pageStream.close();
doc.save(baos);
doc.close();
return baos;
}
/**
* Draw the Table header.
*
* @param crtLineY
* @return
*/
private float drawTableHeader(
PDPageContentStream pageStream, int columnCount, float startTextY, float crtLineY)
throws IOException {
// Position cursor to start drawing content
float crtX = MARGIN + CELL_MARGIN;
float maxHeight = 0;
pageStream.drawLine(MARGIN, crtLineY, MARGIN + rightEdgePos[columnCount - 1], crtLineY);
for (int i = 0; i < columnCount; i++) {
String text = columns[i].getName();
float cellHeight = writeCellContent(i, text, pageStream, crtX, startTextY);
if (cellHeight > maxHeight) {
maxHeight = cellHeight;
}
crtX += columns[i].getWidth();
}
pageStream.drawLine(
MARGIN, crtLineY - maxHeight, MARGIN + rightEdgePos[columnCount - 1], crtLineY - maxHeight);
return maxHeight;
}
/**
* Draw the Line content.
*
* @param crtLineY
* @return
*/
private float drawTableRow(
PDPageContentStream pageStream,
String[] lineContent,
int columnCount,
float startTextY,
float crtLineY)
throws IOException {
float crtX = MARGIN + CELL_MARGIN;
float maxHeight = 0;
for (int i = 0; i < columnCount; i++) {
float cellHeight = writeCellContent(i, lineContent[i], pageStream, crtX, startTextY);
if (cellHeight > maxHeight) {
maxHeight = cellHeight;
}
crtX += columns[i].getWidth();
}
pageStream.drawLine(
MARGIN, crtLineY - maxHeight, MARGIN + rightEdgePos[columnCount - 1], crtLineY - maxHeight);
return maxHeight;
}
@SuppressWarnings("deprecation")
@Override
public void generateReport() throws ReportException {
int pageNum = 1;
// log.info("Report creation started");
// declare data variables
List<WarehousePart> records = null;
try {
records = gateway.fetchWarehouseAndParts();
} catch (GatewayException e) {
throw new ReportException("Error in report generation: " + e.getMessage());
}
// prep the report page 1
doc = new PDDocument();
PDPage page1 = new PDPage();
PDRectangle rect = page1.getMediaBox();
doc.addPage(page1);
PDPage page2 = new PDPage();
PDRectangle rect2 = page2.getMediaBox();
doc.addPage(page2);
// get content stream for page 1
PDPageContentStream content = null;
PDFont fontPlain = PDType1Font.HELVETICA;
PDFont fontBold = PDType1Font.HELVETICA_BOLD;
PDFont fontItalic = PDType1Font.HELVETICA_OBLIQUE;
PDFont fontMono = PDType1Font.COURIER;
PDFont fontMonoBold = PDType1Font.COURIER_BOLD;
page1.setRotation(90);
float margin = 20;
try {
content = new PDPageContentStream(doc, page1);
// print header of page 1
content.concatenate2CTM(0, 1, -1, 0, 718, 0);
content.setNonStrokingColor(Color.CYAN);
content.setStrokingColor(Color.BLACK);
float bottomY = rect.getHeight() - margin - 100;
float headerEndX = rect.getWidth() - margin * 2;
content.addRect(margin, bottomY, headerEndX, 100);
content.fillAndStroke();
content.setNonStrokingColor(Color.BLACK);
// print report title
content.setFont(fontBold, 24);
content.beginText();
content.newLineAtOffset(margin + 15, bottomY + 15);
content.showText("Warehouse Inventory Summary");
content.endText();
// page Number
content.setFont(fontBold, 12);
content.beginText();
content.newLineAtOffset(710, 150);
content.showText("Page " + pageNum);
content.endText();
// Date
Date date = new Date();
content.setFont(fontBold, 12);
content.beginText();
content.newLineAtOffset(30, 150);
content.showText(date.toString());
content.endText();
content.setFont(fontMonoBold, 12);
float dataY = 610;
// colum layout, this might require tweaking
// warehouse Name Part # Part Name Quantity Unit
float colX_0 = margin + 15; // warehouse name
float colX_1 = colX_0 + 180; // Part number
float colX_2 = colX_1 + 100; // Part Name
float colX_3 = colX_2 + 180; // quantity
float colX_4 = colX_3 + 100; // unit
// print the colum texts
content.beginText();
content.newLineAtOffset(colX_0, dataY);
content.showText("Warehouse Name");
content.endText();
content.beginText();
content.newLineAtOffset(colX_1, dataY);
content.showText("Part Number");
content.endText();
content.beginText();
content.newLineAtOffset(colX_2, dataY);
content.showText("Part Name");
content.endText();
content.beginText();
content.newLineAtOffset(colX_3, dataY);
content.showText("Quantity");
content.endText();
content.beginText();
content.newLineAtOffset(colX_4, dataY);
content.showText("Unit");
content.endText();
// print the report rows
content.setFont(fontMono, 12);
int counter = 1;
for (WarehousePart wp : records) {
// the offset for the current row
float offset = dataY - (counter * (fontMono.getHeight(12) + 15));
Warehouse w = wp.getOwner();
Part p = wp.getPart();
content.beginText();
content.newLineAtOffset(colX_0, offset);
content.showText(w.getWarehouseName());
content.endText();
content.beginText();
content.newLineAtOffset(colX_1, offset);
content.showText("" + p.getPartNumber());
content.endText();
content.beginText();
content.newLineAtOffset(colX_2, offset);
content.showText("" + p.getPartName());
content.endText();
content.beginText();
content.newLineAtOffset(colX_3, offset);
content.showText("" + wp.getQuantity());
content.endText();
content.beginText();
content.newLineAtOffset(colX_4, offset);
content.showText("" + p.getUnitQuanitity());
content.endText();
counter++;
if (counter > 25) {
content.close();
break;
}
}
content = new PDPageContentStream(doc, page2);
content.concatenate2CTM(0, 1, -1, 0, 718, 0);
content.setFont(fontMono, 12);
page2.setRotation(90);
pageNum = 2;
int counter2 = 1;
// page Number
content.setFont(fontBold, 12);
content.beginText();
content.newLineAtOffset(710, 150);
content.showText("Page " + pageNum);
content.endText();
// Date
content.setFont(fontBold, 12);
content.beginText();
content.newLineAtOffset(30, 150);
content.showText(date.toString());
content.endText();
content.setFont(fontMono, 12);
for (WarehousePart wp : records.subList(25, records.size())) {
// the offset for the current row
float offset = dataY - (counter2 * (fontMono.getHeight(12) + 15));
Warehouse w = wp.getOwner();
Part p = wp.getPart();
content.beginText();
content.newLineAtOffset(colX_0, offset);
content.showText(w.getWarehouseName());
content.endText();
content.beginText();
content.newLineAtOffset(colX_1, offset);
content.showText("" + p.getPartNumber());
content.endText();
content.beginText();
content.newLineAtOffset(colX_2, offset);
content.showText("" + p.getPartName());
content.endText();
content.beginText();
content.newLineAtOffset(colX_3, offset);
content.showText("" + wp.getQuantity());
content.endText();
content.beginText();
content.newLineAtOffset(colX_4, offset);
content.showText("" + p.getUnitQuanitity());
content.endText();
counter2++;
}
} catch (IOException e) {
throw new ReportException("Error in report generation: " + e.getMessage());
} finally {
try {
content.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
private float writeCellContent(
int colIndex, String text, PDPageContentStream pageStream, float crtX, float startTextY)
throws IOException {
float cellHeight = ROW_HEIGHT;
float cellInnerWidth = columns[colIndex].getWidth() - 2 * CELL_MARGIN;
float textWidth = TEXT_FONT.getStringWidth(text) / 1000 * FONT_SIZE;
if (textWidth <= cellInnerWidth) { // line fits in cell
pageStream.beginText();
if (columns[colIndex].getAlignment() == ColumnAlignment.LEFT) {
pageStream.newLineAtOffset(crtX, startTextY);
} else {
float textLeftPos = crtX + cellInnerWidth - textWidth;
pageStream.newLineAtOffset(textLeftPos, startTextY);
}
pageStream.showText(text != null ? text : "");
pageStream.endText();
} else { // line must be wrapped
int start = 0;
int end = 0;
float crtCellY = startTextY;
String currentToken = "";
for (int i : possibleWrapPoints(text)) {
float width = TEXT_FONT.getStringWidth(text.substring(start, i)) / 1000 * FONT_SIZE;
if (start < end && width > cellInnerWidth) {
currentToken = text.substring(start, end);
// Draw partial text and increase height
pageStream.beginText();
if (columns[colIndex].getAlignment() == ColumnAlignment.LEFT) {
pageStream.newLineAtOffset(crtX, crtCellY);
} else {
float currentTokenWidth = TEXT_FONT.getStringWidth(currentToken) / 1000 * FONT_SIZE;
float textLeftPos = crtX + cellInnerWidth - currentTokenWidth;
pageStream.newLineAtOffset(textLeftPos, crtCellY);
}
pageStream.showText(currentToken);
pageStream.endText();
crtCellY -= TEXT_LINE_HEIGHT;
start = end;
cellHeight += TEXT_LINE_HEIGHT;
}
end = i;
}
// Last piece of text
pageStream.beginText();
currentToken = text.substring(start);
if (columns[colIndex].getAlignment() == ColumnAlignment.LEFT) {
pageStream.newLineAtOffset(crtX, crtCellY);
} else {
float currentTokenWidth = TEXT_FONT.getStringWidth(currentToken) / 1000 * FONT_SIZE;
float textLeftPos = crtX + cellInnerWidth - currentTokenWidth;
pageStream.newLineAtOffset(textLeftPos, crtCellY);
}
pageStream.showText(currentToken);
pageStream.endText();
}
return cellHeight;
}
