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

    public CalculatedStyle getStyle(Element e, boolean restyle) {
        if (styleMap == null) {
            styleMap = new HashMap(1024, 0.75f);
        }
        
        CalculatedStyle result = null;
        if (! restyle) {
            result = (CalculatedStyle)styleMap.get(e);
        }
        if (result == null) {
            Node parent = e.getParentNode();
            CalculatedStyle parentCalculatedStyle;
            if (parent instanceof Document) {
                parentCalculatedStyle = new EmptyStyle();
            } else {
                parentCalculatedStyle = getStyle((Element)parent, false);
            }
            
            result = parentCalculatedStyle.deriveStyle(getCss().getCascadedStyle(e, restyle));
            
            styleMap.put(e, result);
        }
        
        return result;

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    }


    public void importFontFaces(List fontFaces) {
        for (Iterator i = fontFaces.iterator(); i.hasNext(); ) {
            FontFaceRule rule = (FontFaceRule)i.next();
            CalculatedStyle style = rule.getCalculatedStyle();


            FSDerivedValue src = style.valueByName(CSSName.SRC);
            if (src == IdentValue.NONE) {
                continue;
            }


            byte[] font1 = _sharedContext.getUac().getBinaryResource(src.asString());
            if (font1 == null) {
                XRLog.exception("Could not load font " + src.asString());
                continue;
            }


            byte[] font2 = null;
            FSDerivedValue metricsSrc = style.valueByName(CSSName.FS_FONT_METRIC_SRC);
            if (metricsSrc != IdentValue.NONE) {
                font2 = _sharedContext.getUac().getBinaryResource(metricsSrc.asString());
                if (font2 == null) {
                    XRLog.exception("Could not load font metric data " + src.asString());
                    continue;
                }
            }


            if (font2 != null) {
                byte[] t = font1;
                font1 = font2;
                font2 = t;
            }


            boolean embedded = style.isIdent(CSSName.FS_PDF_FONT_EMBED, IdentValue.EMBED);


            String encoding = style.getStringProperty(CSSName.FS_PDF_FONT_ENCODING);


            String fontFamily = null;
            if (rule.hasFontFamily()) {
                fontFamily = style.valueByName(CSSName.FONT_FAMILY).asString();
            }
            try {
                addFontFaceFont(fontFamily, src.asString(), encoding, embedded, font1, font2);
            } catch (DocumentException e) {
                XRLog.exception("Could not load font " + src.asString(), e);

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    public void restyle(LayoutContext c) {
        Box parent = getParent();
        Element e = parent.getElement();
        if (e != null) {
            CalculatedStyle style = c.getSharedContext().getStyle(e, true);
            setStyle(style.createAnonymousStyle(IdentValue.BLOCK));
        }
        
        restyleChildren(c);
    }

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            return null;
        }


        String txt = fndTxt.getMasterText();


        CalculatedStyle style = ilb.getStyle();
        if (containsWholeIlb) {
            offset = fndTxt.getEnd();
        } else {
            for (offset = fndTxt.getStart(); offset < fndTxt.getEnd(); offset++) {
                int w = getTextWidth(lc, style, txt.substring(fndTxt.getStart(), offset + 1));

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    private static final int CONTENT_LIST_MARGIN_BOX = 2;


    public static BlockBox createRootBox(LayoutContext c, Document document) {
        Element root = document.getDocumentElement();


        CalculatedStyle style = c.getSharedContext().getStyle(root);


        BlockBox result;
        if (style.isTable() || style.isInlineTable()) {
            result = new TableBox();
        } else {
            result = new BlockBox();
        }


        result.setStyle(style);
        result.setElement(root);


        c.resolveCounters(style);


        c.pushLayer(result);
        if (c.isPrint()) {
            if (! style.isIdent(CSSName.PAGE, IdentValue.AUTO)) {
                c.setPageName(style.getStringProperty(CSSName.PAGE));
            }
            c.getRootLayer().addPage(c);
        }


        return result;

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        }


        Element source = c.getRootLayer().getMaster().getElement(); // HACK


        ChildBoxInfo info = new ChildBoxInfo();
        CalculatedStyle pageStyle = new EmptyStyle().deriveStyle(pageInfo.getPageStyle());


        CalculatedStyle tableStyle = pageStyle.deriveStyle(
                CascadedStyle.createLayoutStyle(new PropertyDeclaration[] {
                        new PropertyDeclaration(
                                CSSName.DISPLAY,
                                new PropertyValue(IdentValue.TABLE),
                                true,
                                StylesheetInfo.USER),
                        new PropertyDeclaration(
                                CSSName.WIDTH,
                                new PropertyValue(CSSPrimitiveValue.CSS_PERCENTAGE, 100.0f, "100%"),
                                true,
                                StylesheetInfo.USER),
                }));
        TableBox result = (TableBox)createBlockBox(tableStyle, info, false);
        result.setMarginAreaRoot(true);
        result.setStyle(tableStyle);
        result.setElement(source);
        result.setAnonymous(true);
        result.setChildrenContentType(BlockBox.CONTENT_BLOCK);


        CalculatedStyle tableSectionStyle = pageStyle.createAnonymousStyle(IdentValue.TABLE_ROW_GROUP);
        TableSectionBox section = (TableSectionBox)createBlockBox(tableSectionStyle, info, false);
        section.setStyle(tableSectionStyle);
        section.setElement(source);
        section.setAnonymous(true);
        section.setChildrenContentType(BlockBox.CONTENT_BLOCK);


        result.addChild(section);


        TableRowBox row = null;
        if (direction == MARGIN_BOX_HORIZONTAL) {
            CalculatedStyle tableRowStyle = pageStyle.createAnonymousStyle(IdentValue.TABLE_ROW);
            row = (TableRowBox)createBlockBox(tableRowStyle, info, false);
            row.setStyle(tableRowStyle);
            row.setElement(source);
            row.setAnonymous(true);
            row.setChildrenContentType(BlockBox.CONTENT_BLOCK);


            row.setHeightOverride(height);


            section.addChild(row);
        }


        int cellCount = 0;
        boolean alwaysCreate = names.length > 1 && direction == MARGIN_BOX_HORIZONTAL;


        for (int i = 0; i < names.length; i++) {
            CascadedStyle cellStyle = pageInfo.createMarginBoxStyle(names[i], alwaysCreate);
            if (cellStyle != null) {
                TableCellBox cell = createMarginBox(c, cellStyle, alwaysCreate);
                if (cell != null) {
                    if (direction == MARGIN_BOX_VERTICAL) {
                        CalculatedStyle tableRowStyle = pageStyle.createAnonymousStyle(IdentValue.TABLE_ROW);
                        row = (TableRowBox)createBlockBox(tableRowStyle, info, false);
                        row.setStyle(tableRowStyle);
                        row.setElement(source);
                        row.setAnonymous(true);
                        row.setChildrenContentType(BlockBox.CONTENT_BLOCK);

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            boolean alwaysCreate) {
        boolean hasContent = true;


        PropertyDeclaration contentDecl = cascadedStyle.propertyByName(CSSName.CONTENT);


        CalculatedStyle style = new EmptyStyle().deriveStyle(cascadedStyle);


        if (style.isDisplayNone() && ! alwaysCreate) {
            return null;
        }


        if (style.isIdent(CSSName.CONTENT, IdentValue.NONE) ||
                style.isIdent(CSSName.CONTENT, IdentValue.NORMAL)) {
            hasContent = false;
        }


        if (style.isAutoWidth() && ! alwaysCreate && ! hasContent) {
            return null;
        }


        List children = new ArrayList();


        ChildBoxInfo info = new ChildBoxInfo();
        info.setContainsTableContent(true);
        info.setLayoutRunningBlocks(true);


        TableCellBox result = new TableCellBox();
        result.setAnonymous(true);
        result.setStyle(style);
        result.setElement(c.getRootLayer().getMaster().getElement()); // XXX Doesn't make sense, but we need something here


        if (hasContent && ! style.isDisplayNone()) {
            children.addAll(createGeneratedMarginBoxContent(
                    c,
                    c.getRootLayer().getMaster().getElement(),
                    (PropertyValue)contentDecl.getValue(),
                    style,
                    info));


            stripAllWhitespace(children);
        }


        if (children.size() == 0 && style.isAutoWidth() && ! alwaysCreate) {
            return null;
        }


        resolveChildTableContent(c, result, children, info, IdentValue.TABLE_CELL);

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        return false;
    }


    private static boolean isParentInline(BlockBox box) {
        CalculatedStyle parentStyle = box.getStyle().getParent();
        return parentStyle != null && parentStyle.isInline();
    }

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        if (isParentInline(source) && next == IdentValue.TABLE) {
            anonDisplay = IdentValue.INLINE_TABLE;
        } else {
            anonDisplay = next;
        }
        CalculatedStyle anonStyle = source.getStyle().createAnonymousStyle(anonDisplay);
        BlockBox anonBox = createBlockBox(anonStyle, nested, false);
        anonBox.setStyle(anonStyle);
        anonBox.setAnonymous(true);
        // XXX Doesn't really make sense, but what to do?
        anonBox.setElement(source.getElement());

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        if (topCaptions.size() == 0 && bottomCaptions.size() == 0) {
            return table;
        } else {
            // If we have a floated table with a caption, we need to float the
            // outer anonymous box and not the table
            CalculatedStyle anonStyle;
            if (table.getStyle().isFloated()) {
                CascadedStyle cascadedStyle = CascadedStyle.createLayoutStyle(
                        new PropertyDeclaration[]{
                                CascadedStyle.createLayoutPropertyDeclaration(
                                        CSSName.DISPLAY, IdentValue.BLOCK),

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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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