org.w3c.dom.css.CSSRule Java Examples

private void init() {
    if (style != null) {
        String styleContent = style.getValue().getText();
        if (styleContent != null && !styleContent.isEmpty()) {
            InputSource source = new InputSource(new StringReader(styleContent));
            CSSOMParser parser = new CSSOMParser(new SACParserCSS3());
            parser.setErrorHandler(new ParserErrorHandler());
            try {
                styleSheet = parser.parseStyleSheet(source, null, null);
                cssFormat = new CSSFormat().setRgbAsHex(true);

                CSSRuleList rules = styleSheet.getCssRules();
                for (int i = 0; i < rules.getLength(); i++) {
                    final CSSRule rule = rules.item(i);
                    if (rule instanceof CSSStyleRuleImpl) {
                        styleRuleMap.put(((CSSStyleRuleImpl) rule).getSelectorText(), (CSSStyleRuleImpl) rule);
                    }
                }

            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}
 

private static String processStyles(String tag, String clazz, String style, CSSRuleList rules, int stype) {
    for (int i = 0; rules != null && i < rules.getLength(); i++) {
        CSSRule rule = rules.item(i);
        switch (rule.getType()) {
            case CSSRule.STYLE_RULE:
                CSSStyleRuleImpl srule = (CSSStyleRuleImpl) rule;
                for (int j = 0; j < srule.getSelectors().getLength(); j++) {
                    Selector selector = srule.getSelectors().item(j);
                    if (selector.getSelectorType() != stype)
                        continue;
                    switch (selector.getSelectorType()) {
                        case Selector.SAC_ELEMENT_NODE_SELECTOR:
                            ElementSelectorImpl eselector = (ElementSelectorImpl) selector;
                            if (tag == null
                                    ? eselector.getLocalName() == null
                                    : tag.equals(eselector.getLocalName()))
                                style = mergeStyles(style, srule.getStyle().getCssText());
                            break;
                        case Selector.SAC_CONDITIONAL_SELECTOR:
                            ConditionalSelectorImpl cselector = (ConditionalSelectorImpl) selector;
                            if (cselector.getCondition().getConditionType() == SAC_CLASS_CONDITION) {
                                ClassConditionImpl ccondition = (ClassConditionImpl) cselector.getCondition();
                                if (clazz.equals(ccondition.getValue()))
                                    style = mergeStyles(style, srule.getStyle().getCssText());
                            }
                            break;
                    }
                }
                break;

            case CSSRule.MEDIA_RULE:
                CSSMediaRuleImpl mrule = (CSSMediaRuleImpl) rule;
                if (isScreenMedia(mrule.getMedia()))
                    style = processStyles(tag, clazz, style, mrule.getCssRules(), stype);
                break;
        }
    }
    return style;
}
 

private void refreshCssRules() {
    if (cssRules_ == null) {
        return;
    }

    cssRules_.clearRules();
    cssRulesIndexFix_.clear();

    final CSSRuleListImpl ruleList = (CSSRuleListImpl) getWrappedSheet().getCssRules();
    final List<CSSRule> rules = ruleList.getRules();
    int pos = 0;
    for (CSSRule rule : rules) {
        if (rule instanceof org.w3c.dom.css.CSSCharsetRule) {
            cssRulesIndexFix_.add(pos);
            continue;
        }

        final com.gargoylesoftware.htmlunit.javascript.host.css.CSSRule cssRule
                    = com.gargoylesoftware.htmlunit.javascript.host.css.CSSRule.create(this, rule);
        if (null == cssRule) {
            cssRulesIndexFix_.add(pos);
        }
        else {
            cssRules_.addRule(cssRule);
        }
        pos++;
    }

    // reset our index also
    ((CSSStyleSheetImpl) getWrappedSheet()).resetRuleIndex();
}
 

@DataProvider(name = "jdkClasses")
public Object[][] jdkClasses() {
    return new Object[][] {
        { java.awt.Button.class,             null },
        { java.lang.Object.class,            null },
        { org.w3c.dom.css.CSSRule.class,     null },
        { loadClass("org.w3c.dom.css.Fake"), loadClass("org.w3c.dom.css.FakePackage") },
    };
}
 

private Class<?> loadClass(String name) {
    return Class.forName(CSSRule.class.getModule(), name);
}
 

public CSSRule getParentRule( )
{
	throw new DOMException( DOMException.NOT_SUPPORTED_ERR, "getParentRule" );
}
 

/**
 * Gets the rule list of the style sheet.
 * 
 * @return the rule list
 */

public List<CSSRule> getRules( )
{
	return rules;
}
 

public CSSRule getOwnerRule( )
{
	return null;
}
 

public CSSRule getParentRule( )
{
	return null;
}
 

public CSSRule getParentRule( )
{
	return null;
}
 

public CSSRule getParentRule( )
{
	return null;
}
 

/**
 * Adds a rule into the tail of the style sheet.
 * 
 * @param rule
 *            the rule to add
 */

public void add( CSSRule rule )
{
	rules.add( rule );
}
 

/**
 * Inserts a rule to the given position of the style sheet.
 * 
 * @param rule
 *            the rule to insert
 * @param index
 *            the position to insert
 */

public void insert( CSSRule rule, int index )
{
	rules.add( index, rule );
}