rtfcell.java

处理PDF

        
        this.verticalAlignment = cell.getVerticalAlignment();
        if(cell.getBackgroundColor() == null) {
            this.backgroundColor = new RtfColor(this.document, 255, 255, 255);
        } else {
            this.backgroundColor = new RtfColor(this.document, cell.getBackgroundColor());
        }
        
        this.cellPadding = (int) this.parentRow.getParentTable().getCellPadding();
        
        // does it have column composite info?
        java.util.List compositeElements = cell.getCompositeElements();
        if(compositeElements != null) {
	        Iterator cellIterator = compositeElements.iterator();
	        // does it have column info?
	        Paragraph container = null;
	        while(cellIterator.hasNext()) {
	            try {
	                Element element = (Element) cellIterator.next();
	                // should we wrap it in a paragraph
	                if(!(element instanceof Paragraph) && !(element instanceof List)) {
	                    if(container != null) {
	                        container.add(element);
	                    } else {
	                        container = new Paragraph();
	                        container.setAlignment(cell.getHorizontalAlignment());
	                        container.add(element);
	                    }
	                } else {
	                    if(container != null) {
	                        RtfBasicElement[] rtfElements = this.document.getMapper().mapElement(container);
	                        for(int i = 0; i < rtfElements.length; i++) {
	                            rtfElements[i].setInTable(true);
	                            this.content.add(rtfElements[i]);
	                        }
	                        container = null;
	                    }
	                    // if horizontal alignment is undefined overwrite
	                    // with that of enclosing cell
	                    if (element instanceof Paragraph && ((Paragraph) element).getAlignment() == Element.ALIGN_UNDEFINED) {
	                        ((Paragraph) element).setAlignment(cell.getHorizontalAlignment());
	                    }
	
	                    RtfBasicElement[] rtfElements = this.document.getMapper().mapElement(element);
	                    for(int i = 0; i < rtfElements.length; i++) {
	                        rtfElements[i].setInTable(true);
	                        this.content.add(rtfElements[i]);
	                    }
	                }
	            } catch(DocumentException de) {
	                de.printStackTrace();
	            }
	        }
	        if(container != null) {
	            try {
	                RtfBasicElement[] rtfElements = this.document.getMapper().mapElement(container);
	                for(int i = 0; i < rtfElements.length; i++) {
	                    rtfElements[i].setInTable(true);
	                    this.content.add(rtfElements[i]);
	                }
	            } catch(DocumentException de) {
	                de.printStackTrace();
	            }
	        }
        }

        // does it have image info?

        Image img = cell.getImage();
        if(img != null) {
            try {
				RtfBasicElement[] rtfElements = this.document.getMapper().mapElement(img);
				for (int i = 0; i < rtfElements.length; i++) {
					rtfElements[i].setInTable(true);
					this.content.add(rtfElements[i]);
				}
			} catch (DocumentException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
        }
        // does it have phrase info?
        Phrase phrase = cell.getPhrase();
        if(phrase != null) {
            try {
				RtfBasicElement[] rtfElements = this.document.getMapper().mapElement(phrase);
				for (int i = 0; i < rtfElements.length; i++) {
					rtfElements[i].setInTable(true);
					this.content.add(rtfElements[i]);
				}
			} catch (DocumentException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
        }
        // does it have table info?
        PdfPTable table = cell.getTable();
        if(table != null) {
        	this.add(table);
//            try {
//				RtfBasicElement[] rtfElements = this.document.getMapper().mapElement(table);
//				for (int i = 0; i < rtfElements.length; i++) {
//					rtfElements[i].setInTable(true);
//					this.content.add(rtfElements[i]);
//				}
//			} catch (DocumentException e) {
//				// TODO Auto-generated catch block
//				e.printStackTrace();
//			}
        }

    }
    /**
	 * Write the cell definition part of this RtfCell
	 */
    public void writeDefinition(final OutputStream result) throws IOException 
    {
        if(this.mergeType == MERGE_VERT_PARENT) {
            result.write("\\clvmgf".getBytes());
        } else if(this.mergeType == MERGE_VERT_CHILD) {
            result.write("\\clvmrg".getBytes());
        }
        switch (verticalAlignment) {
            case Element.ALIGN_BOTTOM:
                result.write("\\clvertalb".getBytes());
                break;
            case Element.ALIGN_CENTER:
            case Element.ALIGN_MIDDLE:
                result.write("\\clvertalc".getBytes());
                break;
            case Element.ALIGN_TOP:
                result.write("\\clvertalt".getBytes());
                break;
        }
        this.borders.writeContent(result);

        if(this.backgroundColor != null) {
            result.write("\\clcbpat".getBytes());
            result.write(intToByteArray(this.backgroundColor.getColorNumber()));
        }
        this.document.outputDebugLinebreak(result);
        
        result.write("\\clftsWidth3".getBytes());
        this.document.outputDebugLinebreak(result);
        
        result.write("\\clwWidth".getBytes());
        result.write(intToByteArray(this.cellWidth));
        this.document.outputDebugLinebreak(result);
        
        if(this.cellPadding > 0) {
            result.write("\\clpadl".getBytes());
            result.write(intToByteArray(this.cellPadding / 2));
            result.write("\\clpadt".getBytes());
            result.write(intToByteArray(this.cellPadding / 2));
            result.write("\\clpadr".getBytes());
            result.write(intToByteArray(this.cellPadding / 2));
            result.write("\\clpadb".getBytes());
            result.write(intToByteArray(this.cellPadding / 2));
            result.write("\\clpadfl3".getBytes());
            result.write("\\clpadft3".getBytes());
            result.write("\\clpadfr3".getBytes());
            result.write("\\clpadfb3".getBytes());
        }
        result.write("\\cellx".getBytes());
        result.write(intToByteArray(this.cellRight));
    }

    
    /**
     * Write the content of this RtfCell
     */    
    public void writeContent(final OutputStream result) throws IOException
    {
        if(this.content.size() == 0) {
            result.write(RtfParagraph.PARAGRAPH_DEFAULTS);
            if(this.parentRow.getParentTable().getTableFitToPage()) {
                result.write(RtfParagraphStyle.KEEP_TOGETHER_WITH_NEXT);
            }
            result.write(RtfParagraph.IN_TABLE);
        } else {
            for(int i = 0; i < this.content.size(); i++) {
                RtfBasicElement rtfElement = (RtfBasicElement) this.content.get(i);
                if(rtfElement instanceof RtfParagraph) {
                    ((RtfParagraph) rtfElement).setKeepTogetherWithNext(this.parentRow.getParentTable().getTableFitToPage());
                }
                rtfElement.writeContent(result);
                if(rtfElement instanceof RtfParagraph && i < (this.content.size() - 1)) {
                    result.write(RtfParagraph.PARAGRAPH);
                }
            }
        }
        result.write("\\cell".getBytes());
    }        

    /**
     * Sets the right margin of this cell. Used in merge operations
     * 
     * @param cellRight The right margin to use
     */
    protected void setCellRight(int cellRight) {
        this.cellRight = cellRight;
    }
    
    /**
     * Gets the right margin of this RtfCell
     * 
     * @return The right margin of this RtfCell.
     */
    protected int getCellRight() {
        return this.cellRight;
    }
    
    /**
     * Sets the cell width of this RtfCell. Used in merge operations.
     * 
     * @param cellWidth The cell width to use
     */
    protected void setCellWidth(int cellWidth) {
        this.cellWidth = cellWidth;
    }
    
    /**
     * Gets the cell width of this RtfCell
     * 
     * @return The cell width of this RtfCell
     */
    protected int getCellWidth() {
        return this.cellWidth;
    }
    
    /**
     * Gets the cell padding of this RtfCell
     * 
     * @return The cell padding of this RtfCell
     */
    protected int getCellpadding() {
        return this.cellPadding;
    }

    /**
     * Gets the borders of this RtfCell
     * 
     * @return The borders of this RtfCell
     */
    protected RtfBorderGroup getBorders() {
        return this.borders;
    }
    
    /**
     * Set the borders of this RtfCell
     * 
     * @param borderGroup The RtfBorderGroup to use as borders
     */
    public void setBorders(RtfBorderGroup borderGroup) {
        this.borders = new RtfBorderGroup(this.document, RtfBorder.CELL_BORDER, borderGroup);
    }

	/**
     * Get the background color of this RtfCell
     * 
     * @return The background color of this RtfCell
     */
    protected RtfColor getRtfBackgroundColor() {
        return this.backgroundColor;
    }

    /**
     * Merge this cell into the parent cell.
     * 
     * @param mergeParent The RtfCell to merge with
     */
    protected void setCellMergeChild(RtfCell mergeParent) {
        this.mergeType = MERGE_VERT_CHILD;
        this.cellWidth = mergeParent.getCellWidth();
        this.cellRight = mergeParent.getCellRight();
        this.cellPadding = mergeParent.getCellpadding();
        this.borders = mergeParent.getBorders();
        this.verticalAlignment = mergeParent.getVerticalAlignment();
        this.backgroundColor = mergeParent.getRtfBackgroundColor();
    }

    /**
     * Sets the RtfDocument this RtfCell belongs to
     * 
     * @param doc The RtfDocument to use
     */
    public void setRtfDocument(RtfDocument doc) {
        this.document = doc;
    }
    
    /**
     * Unused
     * @param inTable
     */
    public void setInTable(boolean inTable) {
    }
    
    /**
     * Sets whether this RtfCell is in a header
     * 
     * @param inHeader <code>True</code> if this RtfCell is in a header, <code>false</code> otherwise
     */
    public void setInHeader(boolean inHeader) {
        this.inHeader = inHeader;
        for(int i = 0; i < this.content.size(); i++) {
            ((RtfBasicElement) this.content.get(i)).setInHeader(inHeader);
        }
    }
    
    /**
     * Gets whether this <code>RtfCell</code> is in a header
     * 
     * @return <code>True</code> if this <code>RtfCell</code> is in a header, <code>false</code> otherwise
     * @since 2.1.0
     */
    public boolean isInHeader() {
        return this.inHeader;
    }

    /**
     * Transforms an integer into its String representation and then returns the bytes
     * of that string.
     *
     * @param i The integer to convert
     * @return A byte array representing the integer
     */
    private byte[] intToByteArray(int i) {
        return Integer.toString(i).getBytes();
    }
    
    /**
     * Checks whether this RtfCell is a placeholder for
     * a table cell that has been removed due to col/row spanning.
     * 
     * @return <code>True</code> if this RtfCell is deleted, <code>false</code> otherwise.
     */
    public boolean isDeleted() {
        return this.deleted;
    }
}