Examples with ICSSProperty com.helger.css.property.ICSSProperty used on opensource projects

Example 1 with ICSSProperty

use of com.helger.css.property.ICSSProperty in project ph-css by phax.

the class CSSShortHandDescriptor method getSplitIntoPieces.

@Nonnull
@ReturnsMutableCopy
public ICommonsList<CSSDeclaration> getSplitIntoPieces(@Nonnull final CSSDeclaration aDeclaration) {
    ValueEnforcer.notNull(aDeclaration, "Declaration");
    // Check that declaration matches this property
    if (!aDeclaration.hasProperty(m_eProperty))
        throw new IllegalArgumentException("Cannot split a '" + aDeclaration.getProperty() + "' as a '" + m_eProperty.getName() + "'");
    // global
    final int nSubProperties = m_aSubProperties.size();
    final ICommonsList<CSSDeclaration> ret = new CommonsArrayList<>();
    final ICommonsList<ICSSExpressionMember> aExpressionMembers = aDeclaration.getExpression().getAllMembers();
    // Modification for margin and padding
    modifyExpressionMembers(aExpressionMembers);
    final int nExpressionMembers = aExpressionMembers.size();
    final CSSWriterSettings aCWS = new CSSWriterSettings(ECSSVersion.CSS30, false);
    final boolean[] aHandledSubProperties = new boolean[nSubProperties];
    // For all expression members
    for (int nExprMemberIndex = 0; nExprMemberIndex < nExpressionMembers; ++nExprMemberIndex) {
        final ICSSExpressionMember aMember = aExpressionMembers.get(nExprMemberIndex);
        // For all unhandled sub-properties
        for (int nSubPropIndex = 0; nSubPropIndex < nSubProperties; ++nSubPropIndex) if (!aHandledSubProperties[nSubPropIndex]) {
            final CSSPropertyWithDefaultValue aSubProp = m_aSubProperties.get(nSubPropIndex);
            final ICSSProperty aProperty = aSubProp.getProperty();
            final int nMinArgs = aProperty.getMinimumArgumentCount();
            // Always use minimum number of arguments
            if (nExprMemberIndex + nMinArgs - 1 < nExpressionMembers) {
                // Build sum of all members
                final StringBuilder aSB = new StringBuilder();
                for (int k = 0; k < nMinArgs; ++k) {
                    final String sValue = aMember.getAsCSSString(aCWS);
                    if (aSB.length() > 0)
                        aSB.append(' ');
                    aSB.append(sValue);
                }
                if (aProperty.isValidValue(aSB.toString())) {
                    // We found a match
                    final CSSExpression aExpr = new CSSExpression();
                    for (int k = 0; k < nMinArgs; ++k) aExpr.addMember(aExpressionMembers.get(nExprMemberIndex + k));
                    ret.add(new CSSDeclaration(aSubProp.getProperty().getPropertyName(), aExpr));
                    nExprMemberIndex += nMinArgs - 1;
                    // Remember as handled
                    aHandledSubProperties[nSubPropIndex] = true;
                    // Next expression member
                    break;
                }
            }
        }
    }
    // Assign all default values that are not present
    for (int nSubPropIndex = 0; nSubPropIndex < nSubProperties; ++nSubPropIndex) if (!aHandledSubProperties[nSubPropIndex]) {
        final CSSPropertyWithDefaultValue aSubProp = m_aSubProperties.get(nSubPropIndex);
        // assign default value
        final CSSExpression aExpr = new CSSExpression();
        aExpr.addMember(new CSSExpressionMemberTermSimple(aSubProp.getDefaultValue()));
        ret.add(new CSSDeclaration(aSubProp.getProperty().getPropertyName(), aExpr));
    }
    return ret;
}