Examples of flex2.compiler.mxml.rep.BindingExpression

flex2.compiler.mxml.rep.BindingExpression
A BindingExpression is used to store binding expressions (surprise!) when we come across them while parsing MXML. As we go, we fill in the destination of each BindingExpression, and when we're done parsing we compile the source expression in order to figure out how to attach ActionScript watchers and binding objects. @author gdaniels @author mchotin @author preilly

        if (!inCDATA(flags))
        {
            //  binding?
            if (!ignoreBinding(flags))
            {
                BindingExpression result = parseBindingExpression(text);
                if (result != null)
                {
                    return result;
                }
                else

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        ArgumentListNode argumentList = null;
        Iterator<BindingExpression> iterator = propertyWatcher.getBindingExpressions().iterator();


        while (iterator.hasNext())
        {
            BindingExpression bindingExpression = iterator.next();
            MemberExpressionNode base =
                AbstractSyntaxTreeUtil.generateGetterSelector(nodeFactory, BINDINGS, false);
            GetExpressionNode selector = generateArrayIndex(nodeFactory, bindingExpression.getId());
            selector.setMode(Tokens.LEFTBRACKET_TOKEN);
            MemberExpressionNode memberExpression = nodeFactory.memberExpression(base, selector);
            argumentList = nodeFactory.argumentList(argumentList, memberExpression);
        }

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        {
            CDATANode cdata = (CDATANode) node.getChildAt(0);


            if (cdata.image.length() > 0)
            {
                BindingExpression be = textParser.parseBindingExpression(cdata.image, cdata.beginLine);


                if (be != null)
                {
                    if (allowTopLevelBinding)
                    {
                        be.setDestination(xmlList);
                        writer.write("null");
                    }
                    else
                    {
                        log(cdata, new AbstractBuilder.BindingNotAllowed());

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                else
                {
                    attrExpr = e4xElementsByLocalName + ".@" + attrName.getLocalPart();
                }


                BindingExpression be = attributeBindings.get(attrName);
                
                be.setDestinationLValue(attrExpr);
                be.setDestinationProperty(destinationProperty + "[" + node.getIndex() + "]");
                be.setDestination(xmlList);
                be.setDestinationXMLAttribute(true);
                
                // So be.getDestination() will use LValue.  The destinationProperty is wrong.                
                be.setDestinationE4X(true);
                
                //System.out.println("cdata: LValue=" + e4xElementsByLocalName + " prop=" + be.getDestinationProperty()));


                xmlList.setHasBindings(true);


                PrefixMapping.pushNamespaces(be, namespaces);
                if (nsUri.length() > 0)
                {
                    be.addNamespace(nsUri, nsId);
                }
            }
        }


        node.toStartElement(serializer);


        if (node.getChildCount() == 1 && node.getChildAt(0) instanceof CDATANode)
        {
            CDATANode cdata = (CDATANode) node.getChildAt(0);
            if (cdata.image.length() > 0)
            {
                BindingExpression be = textParser.parseBindingExpression(cdata.image, cdata.beginLine);
                if (be != null)
                {
                    //[Matt] I think this value is wrong but I can't see where it's used so we'll leave it for now.
                    String destinationProperty = createExpression(destinationPropertyStack);


                    be.setDestinationLValue(e4xElementsByLocalName);
                    be.setDestinationProperty(destinationProperty + "[" + node.getIndex() + "]");
                    be.setDestination(xmlList);
                    be.setDestinationXMLNode(true);
                    
                    // So be.getDestination() will use LValue.  The destinationProperty is wrong.
                    be.setDestinationE4X(true);


                    //System.out.println("cdata: LValue=" + e4xElementsByLocalName + " prop=" + be.getDestinationProperty()));
                    
                    xmlList.setHasBindings(true);

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        for (Iterator<QName> i = node.getAttributeNames(); i != null && i.hasNext();)
        {
            QName qname = i.next();
            String value = (String) node.getAttributeValue(qname);
            
            BindingExpression be = textParser.parseBindingExpression(value, node.beginLine);


            if (be != null)
            {
                if (attributeBindings == null)
                {

View Full Code Here


        Iterator<BindingExpression> iterator = mxmlDocument.getBindingExpressions().iterator();


        while (iterator.hasNext())
        {
            BindingExpression bindingExpression = iterator.next();


            if (bindingExpression.isRepeatable())
            {
                ExpressionStatementNode expressionStatement = generateRepeatableBinding(bindingExpression);
                functionStatementList = nodeFactory.statementList(functionStatementList, expressionStatement);
            }
            else
            {
                ExpressionStatementNode expressionStatement = generateBinding(bindingExpression);
                functionStatementList = nodeFactory.statementList(functionStatementList, expressionStatement);
            }


            if (bindingExpression.getTwoWayCounterpart() != null)
            {
                if (bindingExpression.isTwoWayPrimary())
                {
                    // result[${bindingExpression.id}].isTwoWayPrimary = true;
                    ExpressionStatementNode expressionStatement =
                        generateIsTwoWayPrimaryAssignment(bindingExpression.getId());
                    functionStatementList = nodeFactory.statementList(functionStatementList, expressionStatement);
                }


                {
                    // result[${bindingExpression.id}].twoWayCounterpart = result[${bindingExpression.twoWayCounterpart.id}];
                    ExpressionStatementNode expressionStatement =
                        generateTwoWayCounterpartAssignment(bindingExpression.getId(),
                                                            bindingExpression.getTwoWayCounterpart().getId());
                    functionStatementList = nodeFactory.statementList(functionStatementList, expressionStatement);
                }


                if (bindingExpression.getTwoWayCounterpart().isTwoWayPrimary())
                {
                    // result[${bindingExpression.twoWayCounterpart.id}].isTwoWayPrimary = true;
                    ExpressionStatementNode expressionStatement =
                        generateIsTwoWayPrimaryAssignment(bindingExpression.getTwoWayCounterpart().getId());
                    functionStatementList = nodeFactory.statementList(functionStatementList, expressionStatement);
                }


                {
                    //result[${bindingExpression.twoWayCounterpart.id}].twoWayCounterpart = result[${bindingExpression.id}];
                    ExpressionStatementNode expressionStatement =
                        generateTwoWayCounterpartAssignment(bindingExpression.getTwoWayCounterpart().getId(),
                                                            bindingExpression.getId());
                    functionStatementList = nodeFactory.statementList(functionStatementList, expressionStatement);
                }
            }
        }

View Full Code Here

    if (node.getChildCount() == 1 && node.getChildAt(0) instanceof CDATANode)
    {
      CDATANode cdata = (CDATANode) node.getChildAt(0);
      if (cdata.image.length() > 0)
      {
          BindingExpression be = textParser.parseBindingExpression(cdata.image, cdata.beginLine);
          if (be != null)
          {
                    /**
                     * <mx:Model>{binding_expression}</mx:Model>
                     * or
                     * <mx:Model>@{binding_expression}</mx:Model>
                     */
                    be.setDestination(graph);
                    be.setDestinationObjectProxy(true);
          }
                else
                {
                    /**
                     * <mx:Model>some string</mx:Model>

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             */
            CDATANode cdata = (CDATANode)node.getChildAt(0);


            if (cdata.image.length() > 0)
            {
                BindingExpression be = textParser.parseBindingExpression(cdata.image, cdata.beginLine);


                if (be != null)
                {
                    if (allowTopLevelBinding)
                    {
                        if (!be.isTwoWayPrimary() || allowTwoWayBind)
                        {
                            be.setDestination(xml);
                            writer.write("null");
                        }
                        else
                        {
                            log(cdata, new AbstractBuilder.TwoWayBindingNotAllowed());

View Full Code Here

                else
                {
                    attrExpr = getElementsByLocalName + ".attributes[\"" + attrName.getLocalPart() + "\"]";
                }


                BindingExpression be = attributeBindings.get(attrName);


                be.setDestinationE4X(e4x);
                be.setDestinationXMLAttribute(true);
                be.setDestinationLValue(attrExpr);
                be.setDestinationProperty(destinationProperty + "[" + node.getIndex() + "]");
                be.setDestination(xml);


                xml.setHasBindings(true);


                if (e4x)
                {
                    PrefixMapping.pushNamespaces(be, namespaces);
                    if (nsUri.length() > 0)
                    {
                        be.addNamespace(nsUri, nsId);
                    }
                }
            }
        }


        try
        {
            if (e4x)
            {
                node.toStartElement((StringWriter) serializer);
            }
            else
            {
                QName qname = new QName(node.getNamespace(), node.getLocalPart(), node.getPrefix());
                ((XMLStringSerializer) serializer).startElement(qname, new AttributesHelper(node));
            }


            if (node.getChildCount() == 1 && node.getChildAt(0) instanceof CDATANode)
            {
                CDATANode cdata = (CDATANode) node.getChildAt(0);
                if (cdata.image.length() > 0)
                {
                    if (cdata.inCDATA)
                    {
                        //in CDATA Section, leave exactly as is
                        if (e4x)
                        {
                            ((StringWriter) serializer).write("<![CDATA[" + cdata.image + "]]>");
                        }
                        else
                        {
                            ((XMLStringSerializer) serializer).writeString(cdata.image);
                        }                        
                    }
                    else
                    {
                        //not in CDATA section so extract bindings and cleanup binding escapes 
                        BindingExpression be = textParser.parseBindingExpression(cdata.image, cdata.beginLine);
                        if (be != null)
                        {
                            if (be.isTwoWayPrimary() && !allowTwoWayBind)
                            {
                                log(cdata, new AbstractBuilder.TwoWayBindingNotAllowed());
                            }
                            else
                            {
                                String destinationProperty = createExpression(destinationPropertyStack);


                                be.setDestinationLValue(getElementsByLocalName);
                                be.setDestinationProperty(destinationProperty + "[" + node.getIndex() + "]");
                                be.setDestination(xml);
                                be.setDestinationXMLNode(true);


                                xml.setHasBindings(true);


                                if (e4x)
                                {
                                    be.setDestinationE4X(true);
                                    PrefixMapping.pushNamespaces(be, namespaces);
                                }
                            }
                        }
                        else if (e4x)

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                        }                        
                    }
                    else
                    {
                        // We're not in CDATA section so extract bindings and cleanup binding escapes 
                        BindingExpression be = textParser.parseBindingExpression(cdata.image, cdata.beginLine);
                        if (be != null)
                        {
                            if (be.isTwoWayPrimary() && !allowTwoWayBind)
                            {
                                log(cdata, new AbstractBuilder.TwoWayBindingNotAllowed());
                            }
                            else
                            {
                                be.setDestinationLValue(getElementsByLocalName + ".text()[" + (numCData - 1) + "]");
                                be.setDestinationProperty(destinationProperty + "[" + node.getIndex() + "]" + ".text()[" + i + "]" );
                                be.setDestination(xml);
                                be.setDestinationXMLNode(true);


                                xml.setHasBindings(true);


                                if (e4x)
                                {
                                    be.setDestinationE4X(true);
                                    PrefixMapping.pushNamespaces(be, namespaces);
                                }
                                
                                // Inject placeholder cdata child so we can target it 
                                // with binding.

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