Examples of org.apache.batik.css.engine.value.ValueManager

Package org.apache.batik.css.engine.value

Examples of org.apache.batik.css.engine.value.ValueManager

org.apache.batik.css.engine.value.ValueManager
This interface is implemented by objects which manage the values associated with a property. @author Stephane Hillion @version $Id: ValueManager.java,v 1.1 2002/03/18 10:28:22 hillion Exp $

        }


        Value value = sm.getValue(propidx);
        if (!sm.isComputed(propidx)) {
            Value result = value;
            ValueManager vm = valueManagers[propidx];
            CSSStylableElement p = getParentCSSStylableElement(elt);
            if (value == null && (!vm.isInheritedProperty() || p == null)) {
                result = vm.getDefaultValue();
            } else if (value != null &&
                       (value == InheritValue.INSTANCE) &&
                       p != null) {
                result = null;
            }
            if (result == null) {
                // Value is 'inherit' and p != null.
                // The pseudo class is not propagated.
                result = getComputedStyle(p, null, propidx);
                sm.putParentRelative(propidx, true);
            } else {
                // Maybe is it a relative value.
                result = vm.computeValue(elt, pseudo, this, propidx,
                                         sm, result);
            }
            if (value == null) {
                sm.putValue(propidx, result);
                sm.putNullCascaded(propidx, true);

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        try {
            element = elt;
            LexicalUnit lu;
            int idx = getPropertyIndex(prop);
            lu = parser.parsePropertyValue(value);
            ValueManager vm = valueManagers[idx];
            return vm.createValue(lu, this);
        } catch (Exception e) {
            String m = e.getMessage();
            String s =
                Messages.formatMessage("property.syntax.error.at",
                                       new Object[] { documentURI.toString(),

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        case MutationEvent.MODIFICATION:
            element = elt;
            try {
                LexicalUnit lu;
                lu = parser.parsePropertyValue(evt.getNewValue());
                ValueManager vm = valueManagers[idx];
                Value v = vm.createValue(lu, CSSEngine.this);
                style.putMask(idx, (short)0);
                style.putValue(idx, v);
                style.putOrigin(idx, StyleMap.NON_CSS_ORIGIN);
            } catch (Exception e) {
                String m = e.getMessage();

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    }
    public static String getStringProp(StyleMap sm, CSSEngine eng, int pidx) {
        Value v = sm.getValue(pidx);
        ValueManager [] vms = eng.getValueManagers();
        if (v == null) {
            ValueManager vm = vms[pidx];
            v = vm.getDefaultValue();
        }
        while (v.getCssValueType() == CSSValue.CSS_VALUE_LIST) {
            v = v.item(0);
        }
        return v.getStringValue();

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    public static float getFloatProp(StyleMap sm, CSSEngine eng, int pidx) {
        Value v = sm.getValue(pidx);
        ValueManager [] vms = eng.getValueManagers();
        if (v == null) {
            ValueManager vm = vms[pidx];
            v = vm.getDefaultValue();
        }
        while (v.getCssValueType() == CSSValue.CSS_VALUE_LIST) {
            v = v.item(0);
        }
        return v.getFloatValue();

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                    new ShorthandManager.PropertyHandler() {
                        public void property(String pname, LexicalUnit lu,
                                             boolean important) {
                            int idx = getPropertyIndex(pname);
                            if (idx != -1) {
                                ValueManager vm = valueManagers[idx];
                                Value v = vm.createValue(lu, CSSEngine.this);
                                putAuthorProperty(result, idx, v, important,
                                                  StyleMap.NON_CSS_ORIGIN);
                                return;
                            }
                            idx = getShorthandIndex(pname);

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        Value value = sm.getValue(propidx);
        if (sm.isComputed(propidx))
            return value;


        Value result = value;
        ValueManager vm = valueManagers[propidx];
        CSSStylableElement p = getParentCSSStylableElement(elt);
        if (value == null) {
            if ((p == null) || !vm.isInheritedProperty())
                result = vm.getDefaultValue();
        } else if ((p != null) && (value == InheritValue.INSTANCE)) {
            result = null;
        }
        if (result == null) {
            // Value is 'inherit' and p != null.
            // The pseudo class is not propagated.
            result = getComputedStyle(p, null, propidx);
            sm.putParentRelative(propidx, true);
            sm.putInherited     (propidx, true);
        } else {
            // Maybe is it a relative value.
            result = vm.computeValue(elt, pseudo, this, propidx,
                                     sm, result);
        }
        if (value == null) {
            sm.putValue(propidx, result);
            sm.putNullCascaded(propidx, true);

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                new ShorthandManager.PropertyHandler() {
                    public void property(String pname, LexicalUnit lu,
                                         boolean important) {
                        int idx = getPropertyIndex(pname);
                        if (idx != -1) {
                            ValueManager vm = valueManagers[idx];
                            Value v = vm.createValue(lu, CSSEngine.this);
                            dst.setMainProperty(pname, v, important);
                            return;
                        }
                        idx = getShorthandIndex(pname);
                        if (idx == -1)

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     */
    public Value parsePropertyValue(CSSStylableElement elt,
                                    String prop, String value) {
        int idx = getPropertyIndex(prop);
        if (idx == -1) return null;
        ValueManager vm = valueManagers[idx];
        try {
            element = elt;
            LexicalUnit lu;
            lu = parser.parsePropertyValue(value);
            return vm.createValue(lu, this);
        } catch (Exception e) {
            String m = e.getMessage();
            if (m == null) m = "";
            String u = ((documentURI == null)?"<unknown>":
                        documentURI.toString());
            String s = Messages.formatMessage
                ("property.syntax.error.at",
                 new Object[] { u, prop, value, m });
            DOMException de = new DOMException(DOMException.SYNTAX_ERR, s);
            if (userAgent == null) throw de;
            userAgent.displayError(de);
        } finally {
            element = null;
            cssBaseURI = null;
        }
        return vm.getDefaultValue();
    }

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        if (props != null) {
            // Filter out uninheritable properties when we
            // propogate to children.
            int count = 0;
            for (int i=0; i<props.length; i++) {
                ValueManager vm = valueManagers[props[i]];
                if (vm.isInheritedProperty()) count++;
                else props[i] = -1;
            }


            if (count == 0) {
                // nothing to propogate for sure

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org.apache.batik.bridge.CSSFontFace

org.apache.batik.css.engine.CSSEngine

org.apache.batik.css.engine.value.css2.FontShorthandManager

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