Examples of org.xhtmlrenderer.css.style.CalculatedStyle

org.xhtmlrenderer.css.style.CalculatedStyle
A set of properties that apply to a single Element, derived from all matched properties following the rules for CSS cascade, inheritance, importance, specificity and sequence. A derived style is just like a style but (presumably) has additional information that allows relative properties to be assigned values, e.g. font attributes. Property values are fully resolved when this style is created. A property retrieved by name should always have only one value in this class (e.g. one-one map). Any methods to retrieve property values from an instance of this class require a valid {@link org.xhtmlrenderer.layout.Context} be given to it, for some cases of propertyresolution. Generally, a programmer will not use this class directly, but will retrieve properties using a {@link org.xhtmlrenderer.context.StyleReference}implementation. @author Torbj�rn Gannholm @author Patrick Wright

        MarkerData markerData = box.getMarkerData();
        
        if (markerData.getImageMarker() != null) {
            drawImage(c, box, markerData);
        } else {
            CalculatedStyle style = box.getStyle();
            IdentValue listStyle = style.getIdent(CSSName.LIST_STYLE_TYPE);
            
            c.getOutputDevice().setColor(style.getColor());
    
            if (markerData.getGlyphMarker() != null) {
                drawGlyph(c, box, style, listStyle);
            } else if (markerData.getTextMarker() != null){
                drawText(c, box, listStyle);

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            openInlineBoxes = new ArrayList();
        }


        remainingWidth -= c.getBlockFormattingContext().getFloatDistance(c, currentLine, remainingWidth);


        CalculatedStyle parentStyle = box.getStyle();
        int minimumLineHeight = (int) parentStyle.getLineHeight(c);
        int indent = (int) parentStyle.getFloatPropertyProportionalWidth(CSSName.TEXT_INDENT, maxAvailableWidth, c);
        remainingWidth -= indent;
        contentStart += indent;


        MarkerData markerData = c.getCurrentMarkerData();
        if (markerData != null && box.getStyle().isListMarkerInside()) {
            remainingWidth -= markerData.getLayoutWidth();
            contentStart += markerData.getLayoutWidth();
        }
        c.setCurrentMarkerData(null);


        List pendingFloats = new ArrayList();
        int pendingLeftMBP = 0;
        int pendingRightMBP = 0;


        boolean hasFirstLinePEs = false;
        List pendingInlineLayers = new ArrayList();


        if (c.getFirstLinesTracker().hasStyles()) {
            box.styleText(c, c.getFirstLinesTracker().deriveAll(box.getStyle()));
            hasFirstLinePEs = true;
        }


        boolean needFirstLetter = c.getFirstLettersTracker().hasStyles();
        boolean zeroWidthInlineBlock = false;


        int lineOffset = 0;


        for (Iterator i = box.getInlineContent().iterator(); i.hasNext(); ) {
            Styleable node = (Styleable)i.next();


            if (node.getStyle().isInline()) {
                InlineBox iB = (InlineBox)node;


                CalculatedStyle style = iB.getStyle();
                if (iB.isStartsHere()) {
                    previousIB = currentIB;
                    currentIB = new InlineLayoutBox(c, iB.getElement(), style, maxAvailableWidth);


                    openInlineBoxes.add(iB);
                    iBMap.put(iB, currentIB);


                    if (previousIB == null) {
                        currentLine.addChildForLayout(c, currentIB);
                    } else {
                        previousIB.addInlineChild(c, currentIB);
                    }


                    if (currentIB.getElement() != null) {
                        String name = c.getNamespaceHandler().getAnchorName(currentIB.getElement());
                        if (name != null) {
                            c.addBoxId(name, currentIB);
                        }
                        String id = c.getNamespaceHandler().getID(currentIB.getElement());
                        if (id != null) {
                            c.addBoxId(id, currentIB);
                        }
                    }


                    //To break the line well, assume we don't just want to paint padding on next line
                    pendingLeftMBP += style.getMarginBorderPadding(
                            c, maxAvailableWidth, CalculatedStyle.LEFT);
                    pendingRightMBP += style.getMarginBorderPadding(
                            c, maxAvailableWidth, CalculatedStyle.RIGHT);
                }


                LineBreakContext lbContext = new LineBreakContext();
                lbContext.setMaster(iB.getText());
                lbContext.setTextNode(iB.getTextNode());
                if (iB.isDynamicFunction()) {
                    lbContext.setMaster(iB.getContentFunction().getLayoutReplacementText());
                }


                do {
                    lbContext.reset();


                    int fit = 0;
                    if (lbContext.getStart() == 0) {
                        fit += pendingLeftMBP + pendingRightMBP;
                    }


                    boolean trimmedLeadingSpace = false;
                    if (hasTrimmableLeadingSpace(
                            currentLine, style, lbContext, zeroWidthInlineBlock)) {
                        trimmedLeadingSpace = true;
                        trimLeadingSpace(lbContext);
                    }


                    lbContext.setEndsOnNL(false);


                    zeroWidthInlineBlock = false;


                    if (lbContext.getStartSubstring().length() == 0) {
                        break;
                    }


                    if (needFirstLetter && !lbContext.isFinished()) {
                        InlineLayoutBox firstLetter =
                            addFirstLetterBox(c, currentLine, currentIB, lbContext,
                                    maxAvailableWidth, remainingWidth);
                        remainingWidth -= firstLetter.getInlineWidth();


                        if (currentIB.isStartsHere()) {
                            pendingLeftMBP -= currentIB.getStyle().getMarginBorderPadding(
                                    c, maxAvailableWidth, CalculatedStyle.LEFT);
                        }


                        needFirstLetter = false;
                    } else {
                        lbContext.saveEnd();
                        InlineText inlineText = layoutText(
                                c, iB.getStyle(), remainingWidth - fit, lbContext, false);
                        if (lbContext.isUnbreakable() && ! currentLine.isContainsContent()) {
                            int delta = c.getBlockFormattingContext().getNextLineBoxDelta(c, currentLine, maxAvailableWidth);
                            if (delta > 0) {
                                currentLine.setY(currentLine.getY() + delta);
                                currentLine.calcCanvasLocation();
                                remainingWidth = maxAvailableWidth;
                                remainingWidth -= c.getBlockFormattingContext().getFloatDistance(c, currentLine, maxAvailableWidth);
                                lbContext.resetEnd();
                                continue;
                            }
                        }


                        if (!lbContext.isUnbreakable() ||
                                (lbContext.isUnbreakable() && ! currentLine.isContainsContent())) {
                            if (iB.isDynamicFunction()) {
                                inlineText.setFunctionData(new FunctionData(
                                        iB.getContentFunction(), iB.getFunction()));
                            }
                            inlineText.setTrimmedLeadingSpace(trimmedLeadingSpace);
                            currentLine.setContainsDynamicFunction(inlineText.isDynamicFunction());
                            currentIB.addInlineChild(c, inlineText);
                            currentLine.setContainsContent(true);
                            lbContext.setStart(lbContext.getEnd());
                            remainingWidth -= inlineText.getWidth();


                            if (currentIB.isStartsHere()) {
                                int marginBorderPadding =
                                    currentIB.getStyle().getMarginBorderPadding(
                                        c, maxAvailableWidth, CalculatedStyle.LEFT);
                                pendingLeftMBP -= marginBorderPadding;
                                remainingWidth -= marginBorderPadding;
                            }
                        } else {
                            lbContext.resetEnd();
                        }
                    }


                    if (lbContext.isNeedsNewLine()) {
                        saveLine(currentLine, c, box, minimumLineHeight,
                                maxAvailableWidth, pendingFloats,
                                hasFirstLinePEs, pendingInlineLayers, markerData,
                                contentStart, isAlwaysBreak(c, box, breakAtLine, lineOffset));
                        lineOffset++;
                        markerData = null;
                        contentStart = 0;
                        if (currentLine.isFirstLine() && hasFirstLinePEs) {
                            lbContext.setMaster(TextUtil.transformText(iB.getText(), iB.getStyle()));
                        }
                        previousLine = currentLine;
                        currentLine = newLine(c, previousLine, box);
                        currentIB = addOpenInlineBoxes(
                                c, currentLine, openInlineBoxes,  maxAvailableWidth, iBMap);
                        previousIB = currentIB.getParent() instanceof LineBox ?
                                null : (InlineLayoutBox) currentIB.getParent();
                        remainingWidth = maxAvailableWidth;
                        remainingWidth -= c.getBlockFormattingContext().getFloatDistance(c, currentLine, remainingWidth);
                    }
                } while (!lbContext.isFinished());


                if (iB.isEndsHere()) {
                    int rightMBP = style.getMarginBorderPadding(
                            c, maxAvailableWidth, CalculatedStyle.RIGHT);


                    pendingRightMBP -= rightMBP;
                    remainingWidth -= rightMBP;

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    private static InlineLayoutBox addFirstLetterBox(LayoutContext c, LineBox current,
            InlineLayoutBox currentIB, LineBreakContext lbContext, int maxAvailableWidth,
            int remainingWidth) {
        CalculatedStyle previous = currentIB.getStyle();


        currentIB.setStyle(c.getFirstLettersTracker().deriveAll(currentIB.getStyle()));


        InlineLayoutBox iB = new InlineLayoutBox(c, null, currentIB.getStyle(), maxAvailableWidth);
        iB.setStartsHere(true);

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    private static InlineBoxMeasurements calculateInlineMeasurements(LayoutContext c, InlineLayoutBox iB,
                                                                     VerticalAlignContext vaContext) {
        FSFontMetrics fm = iB.getStyle().getFSFontMetrics(c);


        CalculatedStyle style = iB.getStyle();
        float lineHeight = style.getLineHeight(c);


        int halfLeading = Math.round((lineHeight - iB.getStyle().getFont(c).size) / 2);
        if (halfLeading > 0) {
            halfLeading = Math.round((lineHeight -
                    (fm.getDescent() + fm.getAscent())) / 2);

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    }


    public static List calculateTextDecorations(Box box, int baseline,
            FSFontMetrics fm) {
        List result = null;
        CalculatedStyle style = box.getStyle();


        List idents = style.getTextDecorations();
        if (idents != null) {
            result = new ArrayList(idents.size());
            if (idents.contains(IdentValue.UNDERLINE)) {
                TextDecoration decoration = new TextDecoration(IdentValue.UNDERLINE);
                // JDK returns zero so create additional space equal to one

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    // not us)
    private static void alignInlineContent(LayoutContext c, Box box,
                                           float ascent, float descent, VerticalAlignContext vaContext) {
        InlineBoxMeasurements measurements = vaContext.getParentMeasurements();


        CalculatedStyle style = box.getStyle();


        if (style.isLength(CSSName.VERTICAL_ALIGN)) {
            box.setY((int) (measurements.getBaseline() - ascent -
                    style.getFloatPropertyProportionalTo(CSSName.VERTICAL_ALIGN, style.getLineHeight(c), c)));
        } else {
            IdentValue vAlign = style.getIdent(CSSName.VERTICAL_ALIGN);


            if (vAlign == IdentValue.BASELINE) {
                box.setY(Math.round(measurements.getBaseline() - ascent));
            } else if (vAlign == IdentValue.TEXT_TOP) {
                box.setY(measurements.getTextTop());

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    private static int processOutOfFlowContent(
            LayoutContext c, LineBox current, BlockBox block,
            int available, List pendingFloats) {
        int result = 0;
        CalculatedStyle style = block.getStyle();
        if (style.isAbsolute() || style.isFixed()) {
            LayoutUtil.layoutAbsolute(c, current, block);
            current.addNonFlowContent(block);
        } else if (style.isFloated()) {
            FloatLayoutResult layoutResult = LayoutUtil.layoutFloated(
                    c, current, block, available, pendingFloats);
            if (layoutResult.isPending()) {
                pendingFloats.add(layoutResult);
            } else {
                result = layoutResult.getBlock().getWidth();
                current.addNonFlowContent(layoutResult.getBlock());
            }
        } else if (style.isRunning()) {
            block.setStaticEquivalent(current);
            c.getRootLayer().addRunningBlock(block);
        }


        return result;

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    }


    protected void applyComponentStyle(TextAreaFieldJTextArea textArea, JScrollPane scrollpane) {
        super.applyComponentStyle(textArea);


        CalculatedStyle style = getBox().getStyle();
        BorderPropertySet border = style.getBorder(null);
        boolean disableOSBorder = (border.leftStyle() != null && border.rightStyle() != null || border.topStyle() != null || border.bottomStyle() != null);


        RectPropertySet padding = style.getCachedPadding();


        Integer paddingTop = getLengthValue(style, CSSName.PADDING_TOP);
        Integer paddingLeft = getLengthValue(style, CSSName.PADDING_LEFT);
        Integer paddingBottom = getLengthValue(style, CSSName.PADDING_BOTTOM);
        Integer paddingRight = getLengthValue(style, CSSName.PADDING_RIGHT);


        int top = paddingTop == null ? 2 : Math.max(2, paddingTop.intValue());
        int left = paddingLeft == null ? 3 : Math.max(3, paddingLeft.intValue());
        int bottom = paddingBottom == null ? 2 : Math.max(2, paddingBottom.intValue());
        int right = paddingRight == null ? 3 : Math.max(3, paddingRight.intValue());


        //if a border is set or a background color is set, then use a special JButton with the BasicButtonUI.
        if (disableOSBorder) {
            //when background color is set, need to use the BasicButtonUI, certainly when using XP l&f
            BasicTextUI ui = new BasicTextAreaUI();
            textArea.setUI(ui);
            scrollpane.setBorder(null);
        }


        textArea.setMargin(new Insets(top, left, bottom, right));


        padding.setRight(0);
        padding.setLeft(0);
        padding.setTop(0);
        padding.setBottom(0);


        FSDerivedValue widthValue = style.valueByName(CSSName.WIDTH);
        if (widthValue instanceof LengthValue) {
            intrinsicWidth = new Integer(getBox().getContentWidth() + left + right);
        }


        FSDerivedValue heightValue = style.valueByName(CSSName.HEIGHT);
        if (heightValue instanceof LengthValue) {
            intrinsicHeight = new Integer(getBox().getHeight() + top + bottom);
        }
    }

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    protected void applyComponentStyle(JComponent component) {
        super.applyComponentStyle(component);


        TextFieldJTextField field = (TextFieldJTextField)component;


        CalculatedStyle style = getBox().getStyle();
        BorderPropertySet border = style.getBorder(null);
        boolean disableOSBorder = (border.leftStyle() != null && border.rightStyle() != null || border.topStyle() != null || border.bottomStyle() != null);


        RectPropertySet padding = style.getCachedPadding();


        Integer paddingTop = getLengthValue(style, CSSName.PADDING_TOP);
        Integer paddingLeft = getLengthValue(style, CSSName.PADDING_LEFT);
        Integer paddingBottom = getLengthValue(style, CSSName.PADDING_BOTTOM);
        Integer paddingRight = getLengthValue(style, CSSName.PADDING_RIGHT);




        int top = paddingTop == null ? 2 : Math.max(2, paddingTop.intValue());
        int left = paddingLeft == null ? 3 : Math.max(3, paddingLeft.intValue());
        int bottom = paddingBottom == null ? 2 : Math.max(2, paddingBottom.intValue());
        int right = paddingRight == null ? 3 : Math.max(3, paddingRight.intValue());


        //if a border is set or a background color is set, then use a special JButton with the BasicButtonUI.
        if (disableOSBorder) {
            //when background color is set, need to use the BasicButtonUI, certainly when using XP l&f
            BasicTextUI ui = new BasicTextFieldUI();
            field.setUI(ui);
            Border fieldBorder = BorderFactory.createEmptyBorder(top, left, bottom, right);
            field.setBorder(fieldBorder);
        }
        else {
            field.setMargin(new Insets(top, left, bottom, right));
        }


        padding.setRight(0);
        padding.setLeft(0);
        padding.setTop(0);
        padding.setBottom(0);


        FSDerivedValue widthValue = style.valueByName(CSSName.WIDTH);
        if (widthValue instanceof LengthValue) {
            intrinsicWidth = new Integer(getBox().getContentWidth() + left + right);
        }


        FSDerivedValue heightValue = style.valueByName(CSSName.HEIGHT);
        if (heightValue instanceof LengthValue) {
            intrinsicHeight = new Integer(getBox().getHeight() + top + bottom);
        }
    }

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Related Classes of org.xhtmlrenderer.css.style.CalculatedStyle

org.xhtmlrenderer.css.constants.CSSName

org.xhtmlrenderer.css.constants.IdentValue

org.xhtmlrenderer.css.parser.FSFunction

org.xhtmlrenderer.css.parser.PropertyValue

org.xhtmlrenderer.css.sheet.PropertyDeclaration

org.xhtmlrenderer.css.style.derived.BorderPropertySet

org.xhtmlrenderer.css.style.derived.FunctionValue

org.xhtmlrenderer.css.style.derived.ListValue

org.xhtmlrenderer.css.style.derived.RectPropertySet

org.xhtmlrenderer.css.value.FontSpecification

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