textshape.java

来自「EXCEL read and write」· Java 代码 · 共 578 行 · 第 1/2 页

            }
        } else {
            valign = prop.getPropertyValue();
        }
        return valign;
    }

    /**
     * Sets the type of vertical alignment for the text.
     * One of the <code>Anchor*</code> constants defined in this class.
     *
     * @param align - the type of alignment
     */
    public void setVerticalAlignment(int align){
        setEscherProperty(EscherProperties.TEXT__ANCHORTEXT, align);
    }

    /**
     * Sets the type of horizontal alignment for the text.
     * One of the <code>Align*</code> constants defined in this class.
     *
     * @param align - the type of horizontal alignment
     */
    public void setHorizontalAlignment(int align){
        TextRun tx = getTextRun();
        if(tx != null) tx.getRichTextRuns()[0].setAlignment(align);
    }

    /**
     * Gets the type of horizontal alignment for the text.
     * One of the <code>Align*</code> constants defined in this class.
     *
     * @return align - the type of horizontal alignment
     */
    public int getHorizontalAlignment(){
        TextRun tx = getTextRun();
        return tx == null ? -1 : tx.getRichTextRuns()[0].getAlignment();
    }

    /**
     * Returns the distance (in points) between the bottom of the text frame
     * and the bottom of the inscribed rectangle of the shape that contains the text.
     * Default value is 1/20 inch.
     *
     * @return the botom margin
     */
    public float getMarginBottom(){
        EscherOptRecord opt = (EscherOptRecord)getEscherChild(_escherContainer, EscherOptRecord.RECORD_ID);
        EscherSimpleProperty prop = (EscherSimpleProperty)getEscherProperty(opt, EscherProperties.TEXT__TEXTBOTTOM);
        int val = prop == null ? EMU_PER_INCH/20 : prop.getPropertyValue();
        return (float)val/EMU_PER_POINT;
    }

    /**
     * Sets the botom margin.
     * @see #getMarginBottom()
     *
     * @param margin    the bottom margin
     */
    public void setMarginBottom(float margin){
        setEscherProperty(EscherProperties.TEXT__TEXTBOTTOM, (int)(margin*EMU_PER_POINT));
    }

    /**
     *  Returns the distance (in points) between the left edge of the text frame
     *  and the left edge of the inscribed rectangle of the shape that contains
     *  the text.
     *  Default value is 1/10 inch.
     *
     * @return the left margin
     */
    public float getMarginLeft(){
        EscherOptRecord opt = (EscherOptRecord)getEscherChild(_escherContainer, EscherOptRecord.RECORD_ID);
        EscherSimpleProperty prop = (EscherSimpleProperty)getEscherProperty(opt, EscherProperties.TEXT__TEXTLEFT);
        int val = prop == null ? EMU_PER_INCH/10 : prop.getPropertyValue();
        return (float)val/EMU_PER_POINT;
    }

    /**
     * Sets the left margin.
     * @see #getMarginLeft()
     *
     * @param margin    the left margin
     */
    public void setMarginLeft(float margin){
        setEscherProperty(EscherProperties.TEXT__TEXTLEFT, (int)(margin*EMU_PER_POINT));
    }

    /**
     *  Returns the distance (in points) between the right edge of the
     *  text frame and the right edge of the inscribed rectangle of the shape
     *  that contains the text.
     *  Default value is 1/10 inch.
     *
     * @return the right margin
     */
    public float getMarginRight(){
        EscherOptRecord opt = (EscherOptRecord)getEscherChild(_escherContainer, EscherOptRecord.RECORD_ID);
        EscherSimpleProperty prop = (EscherSimpleProperty)getEscherProperty(opt, EscherProperties.TEXT__TEXTRIGHT);
        int val = prop == null ? EMU_PER_INCH/10 : prop.getPropertyValue();
        return (float)val/EMU_PER_POINT;
    }

    /**
     * Sets the right margin.
     * @see #getMarginRight()
     *
     * @param margin    the right margin
     */
    public void setMarginRight(float margin){
        setEscherProperty(EscherProperties.TEXT__TEXTRIGHT, (int)(margin*EMU_PER_POINT));
    }

     /**
     *  Returns the distance (in points) between the top of the text frame
     *  and the top of the inscribed rectangle of the shape that contains the text.
     *  Default value is 1/20 inch.
     *
     * @return the top margin
     */
    public float getMarginTop(){
        EscherOptRecord opt = (EscherOptRecord)getEscherChild(_escherContainer, EscherOptRecord.RECORD_ID);
        EscherSimpleProperty prop = (EscherSimpleProperty)getEscherProperty(opt, EscherProperties.TEXT__TEXTTOP);
        int val = prop == null ? EMU_PER_INCH/20 : prop.getPropertyValue();
        return (float)val/EMU_PER_POINT;
    }

   /**
     * Sets the top margin.
     * @see #getMarginTop()
     *
     * @param margin    the top margin
     */
    public void setMarginTop(float margin){
        setEscherProperty(EscherProperties.TEXT__TEXTTOP, (int)(margin*EMU_PER_POINT));
    }


    /**
     * Returns the value indicating word wrap.
     *
     * @return the value indicating word wrap.
     *  Must be one of the <code>Wrap*</code> constants defined in this class.
     */
    public int getWordWrap(){
        EscherOptRecord opt = (EscherOptRecord)getEscherChild(_escherContainer, EscherOptRecord.RECORD_ID);
        EscherSimpleProperty prop = (EscherSimpleProperty)getEscherProperty(opt, EscherProperties.TEXT__WRAPTEXT);
        return prop == null ? WrapSquare : prop.getPropertyValue();
    }

    /**
     *  Specifies how the text should be wrapped
     *
     * @param wrap  the value indicating how the text should be wrapped.
     *  Must be one of the <code>Wrap*</code> constants defined in this class.
     */
    public void setWordWrap(int wrap){
        setEscherProperty(EscherProperties.TEXT__WRAPTEXT, wrap);
    }

    /**
     * @return id for the text.
     */
    public int getTextId(){
        EscherOptRecord opt = (EscherOptRecord)getEscherChild(_escherContainer, EscherOptRecord.RECORD_ID);
        EscherSimpleProperty prop = (EscherSimpleProperty)getEscherProperty(opt, EscherProperties.TEXT__TEXTID);
        return prop == null ? 0 : prop.getPropertyValue();
    }

    /**
     * Sets text ID
     *
     * @param id of the text
     */
    public void setTextId(int id){
        setEscherProperty(EscherProperties.TEXT__TEXTID, id);
    }

    /**
      * @return the TextRun object for this text box
      */
     public TextRun getTextRun(){
         if(_txtrun == null) initTextRun();
         return _txtrun;
     }

    public void setSheet(Sheet sheet) {
        _sheet = sheet;

        // Initialize _txtrun object.
        // (We can't do it in the constructor because the sheet
        //  is not assigned then, it's only built once we have
        //  all the records)
        TextRun tx = getTextRun();
        if (tx != null) {
            // Supply the sheet to our child RichTextRuns
            tx.setSheet(_sheet);
            RichTextRun[] rt = tx.getRichTextRuns();
            for (int i = 0; i < rt.length; i++) {
                rt[i].supplySlideShow(_sheet.getSlideShow());
            }
        }

    }

    protected void initTextRun(){
        EscherTextboxWrapper txtbox = getEscherTextboxWrapper();
        Sheet sheet = getSheet();

        if(sheet == null || txtbox == null) return;

        OutlineTextRefAtom ota = null;

        Record[] child = txtbox.getChildRecords();
        for (int i = 0; i < child.length; i++) {
            if (child[i] instanceof OutlineTextRefAtom) {
                ota = (OutlineTextRefAtom)child[i];
                break;
            }
        }

        TextRun[] runs = _sheet.getTextRuns();
        if (ota != null) {
            int idx = ota.getTextIndex();
            for (int i = 0; i < runs.length; i++) {
                if(runs[i].getIndex() == idx){
                    _txtrun = runs[i];
                    break;
                }
            }
            if(_txtrun == null) {
                logger.log(POILogger.WARN, "text run not found for OutlineTextRefAtom.TextIndex=" + idx);
            }
        } else {
            int shapeId = _escherContainer.getChildById(EscherSpRecord.RECORD_ID).getShapeId();
            if(runs != null) for (int i = 0; i < runs.length; i++) {
                if(runs[i].getShapeId() == shapeId){
                    _txtrun = runs[i];
                    break;
                }
            }
        }
    }

    public void draw(Graphics2D graphics){
        AffineTransform at = graphics.getTransform();
        ShapePainter.paint(this, graphics);
        new TextPainter(this).paint(graphics);
        graphics.setTransform(at);
    }

    /**
     * Return <code>OEPlaceholderAtom</code>, the atom that describes a placeholder.
     *
     * @return <code>OEPlaceholderAtom</code> or <code>null</code> if not found
     */
    public OEPlaceholderAtom getPlaceholderAtom(){
        return (OEPlaceholderAtom)getClientDataRecord(RecordTypes.OEPlaceholderAtom.typeID);
    }

    /**
     *
     * Assigns a hyperlink to this text shape
     *
     * @param linkId    id of the hyperlink, @see org.apache.poi.hslf.usermodel.SlideShow#addHyperlink(Hyperlink)
     * @param      beginIndex   the beginning index, inclusive.
     * @param      endIndex     the ending index, exclusive.
     * @see org.apache.poi.hslf.usermodel.SlideShow#addHyperlink(Hyperlink)
     */
    public void setHyperlink(int linkId, int beginIndex, int endIndex){
        //TODO validate beginIndex and endIndex and throw IllegalArgumentException

        InteractiveInfo info = new InteractiveInfo();
        InteractiveInfoAtom infoAtom = info.getInteractiveInfoAtom();
        infoAtom.setAction(InteractiveInfoAtom.ACTION_HYPERLINK);
        infoAtom.setHyperlinkType(InteractiveInfoAtom.LINK_Url);
        infoAtom.setHyperlinkID(linkId);

        _txtbox.appendChildRecord(info);

        TxInteractiveInfoAtom txiatom = new TxInteractiveInfoAtom();
        txiatom.setStartIndex(beginIndex);
        txiatom.setEndIndex(endIndex);
        _txtbox.appendChildRecord(txiatom);

    }

}