Java 类net.sf.jasperreports.engine.util.JRTextMeasurerUtil 实例源码

public JRPrintText getTextElementReplacement(
    JRExporterContext exporterContext, 
    JRGenericPrintElement element
    )
{
    JRBasePrintText text = new JRBasePrintText(exporterContext.getExportedReport().getDefaultStyleProvider());
    text.setX(element.getX());
    text.setY(element.getY());
    text.setWidth(element.getWidth());
    text.setHeight(element.getHeight());
    text.setText("[Open Flash Chart Component]");
    text.setMode(ModeEnum.OPAQUE);
    text.setBackcolor(Color.lightGray);
    text.setHorizontalTextAlign(HorizontalTextAlignEnum.CENTER);
    text.setVerticalTextAlign(VerticalTextAlignEnum.MIDDLE);
    text.getLineBox().getPen().setLineWidth(1f);
    text.getLineBox().getPen().setLineColor(Color.black);
    text.getLineBox().getPen().setLineStyle(LineStyleEnum.DASHED);

    JRTextMeasurerUtil.getInstance(exporterContext.getJasperReportsContext()).measureTextElement(text);

    return text;
}

@Override
public JRPrintElement convert(ReportConverter reportConverter, JRElement element)
{
    JRBasePrintText printText = new JRBasePrintText(reportConverter.getDefaultStyleProvider());
    JRTextField textField = (JRTextField)element;

    copyTextElement(reportConverter, textField, printText);

    printText.setMarkup(JRCommonText.MARKUP_NONE);//text fields are never converted to styled print text elements
    printText.setAnchorName(JRExpressionUtil.getExpressionText(textField.getAnchorNameExpression()));
    printText.setBookmarkLevel(textField.getBookmarkLevel());
    printText.setLinkType(textField.getLinkType());
    printText.setPattern(textField.getOwnPattern());

    printText.setText(JRExpressionUtil.getExpressionText(textField.getExpression()));

    JRTextMeasurerUtil.getInstance(reportConverter.getJasperReportsContext()).measureTextElement(printText);

    return printText;
}

@Override
public JRPrintElement convert(ReportConverter reportConverter, JRElement element)
{
    JRBasePrintText printText = new JRBasePrintText(reportConverter.getDefaultStyleProvider());
    JRStaticText staticText = (JRStaticText)element;

    copyTextElement(reportConverter, staticText, printText);

    printText.setText(staticText.getText());

    JRTextMeasurerUtil.getInstance(reportConverter.getJasperReportsContext()).measureTextElement(printText);

    return printText;
}

private void createTextMeasurer()
{
    textMeasurer = JRTextMeasurerUtil.getInstance(filler.getJasperReportsContext()).createTextMeasurer(this);
}

public void animatorFinished(AnimatorEvent arg0) {
    animations--;
    if (animations == 0)
    {
        for (Iterator iter = getNewSizes().keySet().iterator(); iter.hasNext(); )
        {
            JRDesignElement element = (JRDesignElement)iter.next();
            Rectangle rectangle = getNewSizes().get(element);
            element.setX( rectangle.x);
            element.setY( rectangle.y);
            element.setWidth( rectangle.width);
            element.setHeight( rectangle.height);

            // Calculate the best font height...
            if (element instanceof JRDesignTextElement)
            {
                JRStyledTextParser styledTextParser = JRStyledTextParser.getInstance();
                JRDesignTextElement dte = (JRDesignTextElement)element;
                dte.setFontSize(null);
                for (int i=dte.getFontSize()-1; i>1 ; --i)
                {
                        String text = "test";

                        // Convert the element in a print element...
                        Map attributes = JRFontUtil.getAttributes(new HashMap(), dte, Locale.getDefault());

                        JRStyledText styledText =
                            styledTextParser.getStyledText(
                            attributes,
                            text,
                            JRCommonText.MARKUP_STYLED_TEXT.equals(dte.getMarkup()),//FIXMEMARKUP only static styled text appears on preview. no other markup
                            Locale.getDefault()
                            );


                        JRTextMeasurer measurer = JRTextMeasurerUtil.getInstance(DefaultJasperReportsContext.getInstance()).createTextMeasurer(dte);
                        JRMeasuredText measuredText = measurer.measure(  styledText, 0, dte.getHeight(), true);

                        if  (measuredText.getTextHeight() > dte.getHeight())
                        {
                            if (i>1)
                            {
                                dte.setFontSize(i);
                            }
                            else
                            {
                                break;
                            }
                        }
                        else
                        {
                            break;
                        }
                }
            }
        }
    }
}

public void animatorFinished(AnimatorEvent arg0) {
        animations--;
        if (animations == 0)
        {
            for (Iterator iter = getNewSizes().keySet().iterator(); iter.hasNext(); )
            {
                JRDesignElement element = (JRDesignElement)iter.next();
                Rectangle rectangle = getNewSizes().get(element);
                element.setX( rectangle.x);
                element.setY( rectangle.y);
                element.setWidth( rectangle.width);
                element.setHeight( rectangle.height);

                // Calculate the best font height...
                if (element instanceof JRDesignTextElement)
                {
                    JRStyledTextParser styledTextParser = JRStyledTextParser.getInstance();
                    JRDesignTextElement dte = (JRDesignTextElement)element;
                    dte.setFontSize(null);
                    for (int i=dte.getFontSize()-1; i>1 ; --i)
                    {
                            String text = "test";

                            // Convert the element in a print element...
                            Map<Attribute, Object> attributes = JRFontUtil.getAttributes(new HashMap(), dte, Locale.getDefault());

                            JRStyledText styledText = 
                                styledTextParser.getStyledText(
                                attributes, 
                                text, 
                                JRCommonText.MARKUP_STYLED_TEXT.equals(dte.getMarkup()),//FIXMEMARKUP only static styled text appears on preview. no other markup
                                Locale.getDefault()
);

                            JasperReportsContext context = IRLocalJasperReportsContext.getInstance();

                            JRTextMeasurerUtil measurerUtil = JRTextMeasurerUtil.getInstance(context);
                            JRTextMeasurer measurer = measurerUtil.createTextMeasurer(dte);
                            JRMeasuredText measuredText = measurer.measure(  styledText, 0, dte.getHeight(), true);

                            if  (measuredText.getTextHeight() > dte.getHeight())
                            {
                                if (i>1)
                                {
                                    dte.setFontSize(i);
                                }
                                else
                                {
                                    break;
                                }
                            }
                            else
                            {
                                break;
                            }
                    }
                }
            }
        }
    }