Examples with TextElementArray com.lowagie.text.TextElementArray used on opensource projects

Example 6 with TextElementArray

use of com.lowagie.text.TextElementArray in project OpenPDF by LibrePDF.

the class SAXiTextHandler method handleEndingTags.

/**
 * This method deals with the starting tags.
 *
 * @param name the name of the tag
 */
public void handleEndingTags(String name) {
    if (ElementTags.IGNORE.equals(name)) {
        ignore = false;
        return;
    }
    if (ignore)
        return;
    // tags that don't have any content
    if (isNewpage(name) || ElementTags.ANNOTATION.equals(name) || ElementTags.IMAGE.equals(name) || isNewline(name)) {
        return;
    }
    try {
        // titles of sections and chapters
        if (ElementTags.TITLE.equals(name)) {
            Paragraph current = (Paragraph) stack.pop();
            if (currentChunk != null) {
                current.add(currentChunk);
                currentChunk = null;
            }
            Section previous = (Section) stack.pop();
            previous.setTitle(current);
            stack.push(previous);
            return;
        }
        // all other endtags
        if (currentChunk != null) {
            TextElementArray current;
            try {
                current = (TextElementArray) stack.pop();
            } catch (EmptyStackException ese) {
                current = new Paragraph();
            }
            current.add(currentChunk);
            stack.push(current);
            currentChunk = null;
        }
        // chunks
        if (ElementTags.CHUNK.equals(name)) {
            return;
        }
        // phrases, anchors, lists, tables
        if (ElementTags.PHRASE.equals(name) || ElementTags.ANCHOR.equals(name) || ElementTags.LIST.equals(name) || ElementTags.PARAGRAPH.equals(name)) {
            Element current = stack.pop();
            try {
                TextElementArray previous = (TextElementArray) stack.pop();
                previous.add(current);
                stack.push(previous);
            } catch (EmptyStackException ese) {
                document.add(current);
            }
            return;
        }
        // listitems
        if (ElementTags.LISTITEM.equals(name)) {
            ListItem listItem = (ListItem) stack.pop();
            List list = (List) stack.pop();
            list.add(listItem);
            stack.push(list);
        }
        // tables
        if (ElementTags.TABLE.equals(name)) {
            Table table = (Table) stack.pop();
            try {
                TextElementArray previous = (TextElementArray) stack.pop();
                previous.add(table);
                stack.push(previous);
            } catch (EmptyStackException ese) {
                document.add(table);
            }
            return;
        }
        // rows
        if (ElementTags.ROW.equals(name)) {
            java.util.List<Cell> cells = new ArrayList<>();
            int columns = 0;
            Table table;
            Cell cell;
            while (true) {
                Element element = stack.pop();
                if (element.type() == Element.CELL) {
                    cell = (Cell) element;
                    columns += cell.getColspan();
                    cells.add(cell);
                } else {
                    table = (Table) element;
                    break;
                }
            }
            if (table.getColumns() < columns) {
                table.addColumns(columns - table.getColumns());
            }
            Collections.reverse(cells);
            String width;
            float[] cellWidths = new float[columns];
            boolean[] cellNulls = new boolean[columns];
            for (int i = 0; i < columns; i++) {
                cellWidths[i] = 0;
                cellNulls[i] = true;
            }
            float total = 0.0f;
            int j = 0;
            for (Cell value : cells) {
                cell = value;
                width = cell.getWidthAsString();
                if (cell.getWidth() == 0) {
                    if (cell.getColspan() == 1 && cellWidths[j] == 0) {
                        try {
                            cellWidths[j] = 100.0f / columns;
                            total += cellWidths[j];
                        } catch (Exception e) {
                        // empty on purpose
                        }
                    } else if (cell.getColspan() == 1) {
                        cellNulls[j] = false;
                    }
                } else if (cell.getColspan() == 1 && width.endsWith("%")) {
                    try {
                        cellWidths[j] = Float.parseFloat(width.substring(0, width.length() - 1) + "f");
                        total += cellWidths[j];
                        cellNulls[j] = false;
                    } catch (Exception e) {
                    // empty on purpose
                    }
                }
                j += cell.getColspan();
                table.addCell(cell);
            }
            float[] widths = table.getProportionalWidths();
            if (widths.length == columns) {
                float left = 0.0f;
                for (int i = 0; i < columns; i++) {
                    if (cellNulls[i] && widths[i] != 0) {
                        left += widths[i];
                        cellWidths[i] = widths[i];
                    }
                }
                if (100.0 >= total) {
                    for (int i = 0; i < widths.length; i++) {
                        if (cellWidths[i] == 0 && widths[i] != 0) {
                            cellWidths[i] = (widths[i] / left) * (100.0f - total);
                        }
                    }
                }
                table.setWidths(cellWidths);
            }
            stack.push(table);
        }
        // cells
        if (ElementTags.CELL.equals(name)) {
            return;
        }
        // sections
        if (ElementTags.SECTION.equals(name)) {
            stack.pop();
            return;
        }
        // chapters
        if (ElementTags.CHAPTER.equals(name)) {
            document.add(stack.pop());
            return;
        }
        // the documentroot
        if (isDocumentRoot(name)) {
            try {
                while (true) {
                    Element element = stack.pop();
                    try {
                        TextElementArray previous = (TextElementArray) stack.pop();
                        previous.add(element);
                        stack.push(previous);
                    } catch (EmptyStackException es) {
                        document.add(element);
                    }
                }
            } catch (EmptyStackException ese) {
            // empty on purpose
            }
            if (controlOpenClose) {
                document.close();
            }
        }
    } catch (DocumentException de) {
        throw new ExceptionConverter(de);
    }
}

Example 7 with TextElementArray

use of com.lowagie.text.TextElementArray in project itext2 by albfernandez.

the class SAXiTextHandler method handleEndingTags.

/**
 * This method deals with the starting tags.
 *
 * @param name
 *            the name of the tag
 */
public void handleEndingTags(String name) {
    if (ElementTags.IGNORE.equals(name)) {
        ignore = false;
        return;
    }
    if (ignore)
        return;
    // tags that don't have any content
    if (isNewpage(name) || ElementTags.ANNOTATION.equals(name) || ElementTags.IMAGE.equals(name) || isNewline(name)) {
        return;
    }
    try {
        // titles of sections and chapters
        if (ElementTags.TITLE.equals(name)) {
            Paragraph current = (Paragraph) stack.pop();
            if (currentChunk != null) {
                current.add(currentChunk);
                currentChunk = null;
            }
            Section previous = (Section) stack.pop();
            previous.setTitle(current);
            stack.push(previous);
            return;
        }
        // all other endtags
        if (currentChunk != null) {
            TextElementArray current;
            try {
                current = (TextElementArray) stack.pop();
            } catch (EmptyStackException ese) {
                current = new Paragraph();
            }
            current.add(currentChunk);
            stack.push(current);
            currentChunk = null;
        }
        // chunks
        if (ElementTags.CHUNK.equals(name)) {
            return;
        }
        // phrases, anchors, lists, tables
        if (ElementTags.PHRASE.equals(name) || ElementTags.ANCHOR.equals(name) || ElementTags.LIST.equals(name) || ElementTags.PARAGRAPH.equals(name)) {
            Element current = (Element) stack.pop();
            try {
                TextElementArray previous = (TextElementArray) stack.pop();
                previous.add(current);
                stack.push(previous);
            } catch (EmptyStackException ese) {
                document.add(current);
            }
            return;
        }
        // listitems
        if (ElementTags.LISTITEM.equals(name)) {
            ListItem listItem = (ListItem) stack.pop();
            List list = (List) stack.pop();
            list.add(listItem);
            stack.push(list);
        }
        // tables
        if (ElementTags.TABLE.equals(name)) {
            Table table = (Table) stack.pop();
            try {
                TextElementArray previous = (TextElementArray) stack.pop();
                previous.add(table);
                stack.push(previous);
            } catch (EmptyStackException ese) {
                document.add(table);
            }
            return;
        }
        // rows
        if (ElementTags.ROW.equals(name)) {
            ArrayList cells = new ArrayList();
            int columns = 0;
            Table table;
            Cell cell;
            while (true) {
                Element element = (Element) stack.pop();
                if (element.type() == Element.CELL) {
                    cell = (Cell) element;
                    columns += cell.getColspan();
                    cells.add(cell);
                } else {
                    table = (Table) element;
                    break;
                }
            }
            if (table.getColumns() < columns) {
                table.addColumns(columns - table.getColumns());
            }
            Collections.reverse(cells);
            String width;
            float[] cellWidths = new float[columns];
            boolean[] cellNulls = new boolean[columns];
            for (int i = 0; i < columns; i++) {
                cellWidths[i] = 0;
                cellNulls[i] = true;
            }
            float total = 0;
            int j = 0;
            for (Iterator i = cells.iterator(); i.hasNext(); ) {
                cell = (Cell) i.next();
                width = cell.getWidthAsString();
                if (cell.getWidth() == 0) {
                    if (cell.getColspan() == 1 && cellWidths[j] == 0) {
                        try {
                            cellWidths[j] = 100f / columns;
                            total += cellWidths[j];
                        } catch (Exception e) {
                        // empty on purpose
                        }
                    } else if (cell.getColspan() == 1) {
                        cellNulls[j] = false;
                    }
                } else if (cell.getColspan() == 1 && width.endsWith("%")) {
                    try {
                        cellWidths[j] = Float.parseFloat(width.substring(0, width.length() - 1) + "f");
                        total += cellWidths[j];
                    } catch (Exception e) {
                    // empty on purpose
                    }
                }
                j += cell.getColspan();
                table.addCell(cell);
            }
            float[] widths = table.getProportionalWidths();
            if (widths.length == columns) {
                float left = 0.0f;
                for (int i = 0; i < columns; i++) {
                    if (cellNulls[i] && widths[i] != 0) {
                        left += widths[i];
                        cellWidths[i] = widths[i];
                    }
                }
                if (100.0 >= total) {
                    for (int i = 0; i < widths.length; i++) {
                        if (cellWidths[i] == 0 && widths[i] != 0) {
                            cellWidths[i] = (widths[i] / left) * (100.0f - total);
                        }
                    }
                }
                table.setWidths(cellWidths);
            }
            stack.push(table);
        }
        // cells
        if (ElementTags.CELL.equals(name)) {
            return;
        }
        // sections
        if (ElementTags.SECTION.equals(name)) {
            stack.pop();
            return;
        }
        // chapters
        if (ElementTags.CHAPTER.equals(name)) {
            document.add((Element) stack.pop());
            return;
        }
        // the documentroot
        if (isDocumentRoot(name)) {
            try {
                while (true) {
                    Element element = (Element) stack.pop();
                    try {
                        TextElementArray previous = (TextElementArray) stack.pop();
                        previous.add(element);
                        stack.push(previous);
                    } catch (EmptyStackException es) {
                        document.add(element);
                    }
                }
            } catch (EmptyStackException ese) {
            // empty on purpose
            }
            if (controlOpenClose)
                document.close();
            return;
        }
    } catch (DocumentException de) {
        throw new ExceptionConverter(de);
    }
}

Example 8 with TextElementArray

use of com.lowagie.text.TextElementArray in project itext2 by albfernandez.

the class SAXiTextHandler method handleStartingTags.

/**
 * This method deals with the starting tags.
 *
 * @param name
 *            the name of the tag
 * @param attributes
 *            the list of attributes
 */
public void handleStartingTags(String name, Properties attributes) {
    // System.err.println("Start: " + name);
    if (ignore || ElementTags.IGNORE.equals(name)) {
        ignore = true;
        return;
    }
    // maybe there is some meaningful data that wasn't between tags
    if (currentChunk != null) {
        TextElementArray current;
        try {
            current = (TextElementArray) stack.pop();
        } catch (EmptyStackException ese) {
            if (bf == null) {
                current = new Paragraph("", new Font());
            } else {
                current = new Paragraph("", new Font(this.bf));
            }
        }
        current.add(currentChunk);
        stack.push(current);
        currentChunk = null;
    }
    // chunks
    if (ElementTags.CHUNK.equals(name)) {
        currentChunk = ElementFactory.getChunk(attributes);
        if (bf != null) {
            currentChunk.setFont(new Font(this.bf));
        }
        return;
    }
    // symbols
    if (ElementTags.ENTITY.equals(name)) {
        Font f = new Font();
        if (currentChunk != null) {
            handleEndingTags(ElementTags.CHUNK);
            f = currentChunk.getFont();
        }
        currentChunk = EntitiesToSymbol.get(attributes.getProperty(ElementTags.ID), f);
        return;
    }
    // phrases
    if (ElementTags.PHRASE.equals(name)) {
        stack.push(ElementFactory.getPhrase(attributes));
        return;
    }
    // anchors
    if (ElementTags.ANCHOR.equals(name)) {
        stack.push(ElementFactory.getAnchor(attributes));
        return;
    }
    // paragraphs and titles
    if (ElementTags.PARAGRAPH.equals(name) || ElementTags.TITLE.equals(name)) {
        stack.push(ElementFactory.getParagraph(attributes));
        return;
    }
    // lists
    if (ElementTags.LIST.equals(name)) {
        stack.push(ElementFactory.getList(attributes));
        return;
    }
    // listitems
    if (ElementTags.LISTITEM.equals(name)) {
        stack.push(ElementFactory.getListItem(attributes));
        return;
    }
    // cells
    if (ElementTags.CELL.equals(name)) {
        stack.push(ElementFactory.getCell(attributes));
        return;
    }
    // tables
    if (ElementTags.TABLE.equals(name)) {
        Table table = ElementFactory.getTable(attributes);
        float[] widths = table.getProportionalWidths();
        for (int i = 0; i < widths.length; i++) {
            if (widths[i] == 0) {
                widths[i] = 100.0f / widths.length;
            }
        }
        try {
            table.setWidths(widths);
        } catch (BadElementException bee) {
            // this shouldn't happen
            throw new ExceptionConverter(bee);
        }
        stack.push(table);
        return;
    }
    // sections
    if (ElementTags.SECTION.equals(name)) {
        Element previous = (Element) stack.pop();
        Section section;
        try {
            section = ElementFactory.getSection((Section) previous, attributes);
        } catch (ClassCastException cce) {
            throw new ExceptionConverter(cce);
        }
        stack.push(previous);
        stack.push(section);
        return;
    }
    // chapters
    if (ElementTags.CHAPTER.equals(name)) {
        stack.push(ElementFactory.getChapter(attributes));
        return;
    }
    // images
    if (ElementTags.IMAGE.equals(name)) {
        try {
            Image img = ElementFactory.getImage(attributes);
            try {
                addImage(img);
                return;
            } catch (EmptyStackException ese) {
                // to the document
                try {
                    document.add(img);
                } catch (DocumentException de) {
                    throw new ExceptionConverter(de);
                }
                return;
            }
        } catch (Exception e) {
            throw new ExceptionConverter(e);
        }
    }
    // annotations
    if (ElementTags.ANNOTATION.equals(name)) {
        Annotation annotation = ElementFactory.getAnnotation(attributes);
        TextElementArray current;
        try {
            try {
                current = (TextElementArray) stack.pop();
                try {
                    current.add(annotation);
                } catch (Exception e) {
                    document.add(annotation);
                }
                stack.push(current);
            } catch (EmptyStackException ese) {
                document.add(annotation);
            }
            return;
        } catch (DocumentException de) {
            throw new ExceptionConverter(de);
        }
    }
    // newlines
    if (isNewline(name)) {
        TextElementArray current;
        try {
            current = (TextElementArray) stack.pop();
            current.add(Chunk.NEWLINE);
            stack.push(current);
        } catch (EmptyStackException ese) {
            if (currentChunk == null) {
                try {
                    document.add(Chunk.NEWLINE);
                } catch (DocumentException de) {
                    throw new ExceptionConverter(de);
                }
            } else {
                currentChunk.append("\n");
            }
        }
        return;
    }
    // newpage
    if (isNewpage(name)) {
        TextElementArray current;
        try {
            current = (TextElementArray) stack.pop();
            Chunk newPage = new Chunk("");
            newPage.setNewPage();
            if (bf != null) {
                newPage.setFont(new Font(this.bf));
            }
            current.add(newPage);
            stack.push(current);
        } catch (EmptyStackException ese) {
            document.newPage();
        }
        return;
    }
    if (ElementTags.HORIZONTALRULE.equals(name)) {
        TextElementArray current;
        LineSeparator hr = new LineSeparator(1.0f, 100.0f, null, Element.ALIGN_CENTER, 0);
        try {
            current = (TextElementArray) stack.pop();
            current.add(hr);
            stack.push(current);
        } catch (EmptyStackException ese) {
            try {
                document.add(hr);
            } catch (DocumentException de) {
                throw new ExceptionConverter(de);
            }
        }
        return;
    }
    // documentroot
    if (isDocumentRoot(name)) {
        String key;
        String value;
        // pagesize and orientation specific code suggested by Samuel Gabriel
        // Updated by Ricardo Coutinho. Only use if set in html!
        Rectangle pageSize = null;
        String orientation = null;
        for (Iterator i = attributes.keySet().iterator(); i.hasNext(); ) {
            key = (String) i.next();
            value = attributes.getProperty(key);
            try {
                // margin specific code suggested by Reza Nasiri
                if (ElementTags.LEFT.equalsIgnoreCase(key))
                    leftMargin = Float.parseFloat(value + "f");
                if (ElementTags.RIGHT.equalsIgnoreCase(key))
                    rightMargin = Float.parseFloat(value + "f");
                if (ElementTags.TOP.equalsIgnoreCase(key))
                    topMargin = Float.parseFloat(value + "f");
                if (ElementTags.BOTTOM.equalsIgnoreCase(key))
                    bottomMargin = Float.parseFloat(value + "f");
            } catch (Exception ex) {
                throw new ExceptionConverter(ex);
            }
            if (ElementTags.PAGE_SIZE.equals(key)) {
                try {
                    String pageSizeName = value;
                    Field pageSizeField = PageSize.class.getField(pageSizeName);
                    pageSize = (Rectangle) pageSizeField.get(null);
                } catch (Exception ex) {
                    throw new ExceptionConverter(ex);
                }
            } else if (ElementTags.ORIENTATION.equals(key)) {
                try {
                    if ("landscape".equals(value)) {
                        orientation = "landscape";
                    }
                } catch (Exception ex) {
                    throw new ExceptionConverter(ex);
                }
            } else {
                try {
                    document.add(new Meta(key, value));
                } catch (DocumentException de) {
                    throw new ExceptionConverter(de);
                }
            }
        }
        if (pageSize != null) {
            if ("landscape".equals(orientation)) {
                pageSize = pageSize.rotate();
            }
            document.setPageSize(pageSize);
        }
        document.setMargins(leftMargin, rightMargin, topMargin, bottomMargin);
        if (controlOpenClose)
            document.open();
    }
}