Nested Multifield in Content Fragment - AEM 6.5 ?

[kchaurasiya]

I have implemented  multi-field  in content fragment and it working and there is no any issue.

Also, Implementing nested multi-field but somehow it is working but not working fully. Values are getting save at backend but when i open the content fragment there are no auto value rendering in CF.

Has anyone implemented it or written JS code for the same . Please let me know. Thank You..!!

[Asutosh_Jena_]

Hi @kchaurasiya 

Here is a good article for Content Fragment with Multifield:

https://jimfrenette.com/aem/content-fragments/composite-multifield/

Thanks!

[kchaurasiya]

@Asutosh_Jena_ Thanks Ashutosh for reply. Multifield i have already implemented in CF. I am looking for nested multifield in content fragment that is somehow working but not fully. For that we need to write the custom js code, I need that. Thanks

[SYED1111]

@kchaurasiya 

Is This Solved Issue

[Kishore_Kumar_]

Please refer this https://allaembykiran.wordpress.com/2021/01/13/nested-multi-field/ 

[kchaurasiya]

@Kishore_Kumar_ Thanks Kishor. I have already implemented multifield in component but  I need to implement in Content Fragment not in component. Thanks

[Kishore_Kumar_]

Oh ok my bad sorry. I haven't tried customizing CF for nested multifield capability in 6.5. But if you can share us some sample code what you have achieved so far, me/someone may help to fix.

[ibishika]

This is what you can try:

• Add a content reference multifield in the first content fragment model.
• Create a 2nd content fragment model and again add a multifield of required type there.
• Reference the content fragments of second type from the first type

I think this would be the simpliest way to achieve this. May me you can try customizing as given in the links shared here in previous comments depending on your requirement. 

[kchaurasiya]

@ibishika I have already implemented nested multi field in Content fragment but it is not working fully. Have u implemented it ??

[kautuk_sahni]

@ibishika  Good to see you back inside the AEM Community. Keep the great work of assisting others going. Looking forward to more contributions from you. 

[priyak]

@ibishika can you help me in referencing one content fragment with another?

[prashantonkar · Accepted solution]

I have tried this once and had to do a lot of customization to get it working.

In your content fragment model, you need to make the change similar to this: ( i am just showing a part of CFM which I had made composite multifield.

<multifieldtest
	jcr:primaryType="nt:unstructured"
	sling:resourceType="granite/ui/components/coral/foundation/form/multifield"
	composite="{Boolean}true"
	fieldLabel="Test Service"
	listOrder="1"
	maxlength="255"
	metaType="text-single"
	name="testSection"
	renderReadOnly="false"
	showEmptyInReadOnly="true"
	valueType="string[]">
	<field
		jcr:primaryType="nt:unstructured"
		sling:resourceType="granite/ui/components/coral/foundation/container"
		name="./testSection">
		<items jcr:primaryType="nt:unstructured">
			<column
				jcr:primaryType="nt:unstructured"
				sling:resourceType="granite/ui/components/coral/foundation/container">
				<items jcr:primaryType="nt:unstructured">
					<!-- your fields go heare -->
				</items>
			</column>
		</items>
	</field>
</multifieldtest>

After that, used the following code to populate the data into the fields:

(function ($) {
    var CFM = window.Dam.CFM,
        MASTER = "master",
        CFM_EDITOR_SEL = ".content-fragment-editor",
        CORAL_MF_ITEM = "coral-multifield-item",
        EAEM_COMPOSITE_ITEM_VALUE = "data-eaem-composite-item-value",
        MF_NAME_ATTR = "data-granite-coral-multifield-name",
        COMPOSITE_MF_SEL = "[data-granite-coral-multifield-composite]";

    CFM.Core.registerReadyHandler(getMultifieldsContent);

    extendRequestSave();

    function getMultifieldsContent(){
        if(!compositeMutifieldsExist()){
            return;
        }

        var url = CFM.EditSession.fragment.urlBase + "/jcr:content/data.2.json";

        $.ajax(url).done(loadContentIntoMultiFields);
    }

    function loadContentIntoMultiFields(data){
        var $composites = $(COMPOSITE_MF_SEL), mfValArr, mfAddEle,
            vData = data[getVariation()], $lastItem;

        if(_.isEmpty(vData)){
            return;
        }

        _.each($composites, function(mField){
            mfValArr = vData[getNameDotSlashRemoved(($(mField)).attr(MF_NAME_ATTR))];

            if(_.isEmpty(mfValArr)){
                return;
            }

            mfAddEle = mField.querySelector("[coral-multifield-add]");

            _.each(mfValArr, function(mfMap){
                mfAddEle.click();

                $lastItem = $(mField).find(CORAL_MF_ITEM).last();
                $lastItem.attr(EAEM_COMPOSITE_ITEM_VALUE, mfMap);
                Coral.commons.ready($lastItem[0], function (lastItem) {
                    fillMultifieldItems(lastItem);
                });

            });
        });
    }

    function fillMultifieldItems(mfItem){
        if(mfItem == null){
            return;
        }

        var mfMap = mfItem.getAttribute(EAEM_COMPOSITE_ITEM_VALUE);

        if(_.isEmpty(mfMap)){
            return;
        }

        mfMap = JSON.parse(mfMap);

        _.each(mfMap, function(fValue, fKey){
            const field = mfItem.querySelector("[name$='" + fKey + "']");

            if(field == null){
                return;
            }

            setFieldValue(field, fValue);
        });
    }

    function setFieldValue(field, value){
        if( field.tagName == "CORAL-CHECKBOX"){
            field.checked = (field.getAttribute("value") == value);
        }else{
            field.value = value;
        }
    }

    function getVariation(){
        var variation = $(CFM_EDITOR_SEL).data('variation');

        variation = variation || "master";

        return variation;
    }

    function compositeMutifieldsExist(){
        return !_.isEmpty($(COMPOSITE_MF_SEL));
    }

    function extendRequestSave(){
        var orignFn = CFM.editor.Page.requestSave;

        CFM.editor.Page.requestSave = requestSave;

        function requestSave(callback, options) {
            orignFn.call(this, callback, options);

            if(!compositeMutifieldsExist()){
                return;
            }

            var mfsData = getMultifieldData();

            if(_.isEmpty(mfsData)){
                return;
            }

            var url = CFM.EditSession.fragment.urlBase + ".cfm.content.json",
                variation = getVariation(),
                createNewVersion = (options && !!options.newVersion) || false;

            var data = {
                ":type": "multiple",
                ":newVersion": createNewVersion,
                "_charset_": "utf-8"
            };

            if(variation !== MASTER){
                data[":variation"] = variation;
            }

            var request = {
                url: url,
                method: "post",
                dataType: "json",
                data: _.merge(data, mfsData),
                cache: false
            };

            CFM.RequestManager.schedule({
                request: request,
                type: CFM.RequestManager.REQ_BLOCKING,
                condition: CFM.RequestManager.COND_EDITSESSION,
                ui: (options && options.ui)
            })
        }
    }

    function getMultifieldData(){
        var $composites = $(COMPOSITE_MF_SEL), value,
            mfData = {}, values, $fields;

        _.each($composites, function(mField){
            values = [];

            _.each(mField.items.getAll(), function(item) {
                $fields = $(item.content).find("[name]");

                value = {};

                _.each($fields, function(field){
                    if(canbeSkipped(field)){
                        return;
                    }

                    value[getNameDotSlashRemoved(field.getAttribute("name"))] =  getFieldValue(field);
                });

                values.push(JSON.stringify(value));
            });

            mfData[ getNameDotSlashRemoved(($(mField)).attr(MF_NAME_ATTR))] = values;
        });

        return mfData;
    }

    function getFieldValue(field){
        var value;

        if( field.tagName == "CORAL-CHECKBOX"){
            value = field.checked ? field.getAttribute("value") : "";
        }else{
            value = field.value;
        }

        return value;
    }

    function canbeSkipped(field){
        return (($(field).attr("type") == "hidden") || (field.type == "checkbox"));
    }

    function getNameDotSlashRemoved(name){
        if(_.isEmpty(name)){
            return name;
        }

        const indexOfLastSlash = name.lastIndexOf("/");
		return (indexOfLastSlash === -1) ? name : name.substr(indexOfLastSlash + 1);
    }
}(jQuery));

[kchaurasiya]

@prashantonkar : Thanks for reply. I have tested multi-field the same way and it is working as expected in the Content Fragment.

But my question is related to nested-multi field.I think the code that you shared it seems its for multifield.

JS code that you shared so is it for multifield or nested-multifield???

Thank You.

[akcena_07]

Hi @kchaurasiya,

Have you found any solution for the scenario you mentioned above, if so kindly share the solution so that we can try from our side.

Thank you

[rsGokulraj4]

Instead of using the following sling:resourceType , 

sling:resourceType

granite/ui/components/coral/foundation/form/multifield granite/ui/components/foundation/form/multifield

use the resourceType : dam/cfm/admin/components/authoring/contenteditor/cfmmultifield