TouchUI dialog not saving multifield data properly in editor mode but working fine in view as publish

Hi everyone
dialog.xml

<?xml version="1.0" encoding="UTF-8"?>

<jcr:root xmlns:sling="http://sling.apache.org/jcr/sling/1.0"

xmlns:cq="http://www.day.com/jcr/cq/1.0"

xmlns:jcr="http://www.jcp.org/jcr/1.0"

xmlns:nt="http://www.jcp.org/jcr/nt/1.0"

xmlns:granite="http://www.adobe.com/jcr/granite/1.0"

jcr:primaryType="nt:unstructured"

jcr:title="Contact Cards Configuration"

sling:resourceType="cq/gui/components/authoring/dialog">

<content

jcr:primaryType="nt:unstructured"

sling:resourceType="granite/ui/components/coral/foundation/fixedcolumns">

<items jcr:primaryType="nt:unstructured">

<column

jcr:primaryType="nt:unstructured"

sling:resourceType="granite/ui/components/coral/foundation/container">

<items jcr:primaryType="nt:unstructured">

<contacts

jcr:primaryType="nt:unstructured"

sling:resourceType="granite/ui/components/coral/foundation/form/multifield"

fieldLabel="Add Contact Fragments"

composite="{Boolean}false"

deleteHint="{Boolean}true"

typeHint="String[]">

<field

jcr:primaryType="nt:unstructured"

sling:resourceType="granite/ui/components/coral/foundation/form/pathfield"

name="./contactFragmentPaths"

rootPath="/content/dam"

required="{Boolean}true"

nodeTypes="dam:Asset">

<granite:data

jcr:primaryType="nt:unstructured"

filter="hierarchyNotFile"

mimeTypes="[text/html]"/>

</field>

</contacts>

</items>

</column>

</items>

</content>

</jcr:root>

My model file
 

package com.mysite.aem.core.models;

import com.adobe.cq.dam.cfm.ContentElement;

import com.adobe.cq.dam.cfm.ContentFragment;

import org.apache.sling.api.resource.Resource;

import org.apache.sling.api.resource.ResourceResolver;

import org.apache.sling.models.annotations.DefaultInjectionStrategy;

import org.apache.sling.models.annotations.Model;

import org.apache.sling.models.annotations.injectorspecific.SlingObject;

import org.apache.sling.models.annotations.injectorspecific.ValueMapValue;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import javax.annotation.PostConstruct;

import java.util.ArrayList;

import java.util.List;

import java.util.Optional;

@Model(adaptables = { Resource.class},

adapters = ContactCardsModel.class,

defaultInjectionStrategy = DefaultInjectionStrategy.OPTIONAL)

public class ContactCardsModel {

private static final Logger LOG = LoggerFactory.getLogger(ContactCardsModel.class);

@SlingObject

private ResourceResolver resourceResolver;

// Use Object to prevent injection failure if the JCR stores a single string vs an array

@ValueMapValue(name = "contactFragmentPaths")

private Object contactPathsObject;

private List<Contact> contacts = new ArrayList<>();

@PostConstruct

protected void init() {

String[] paths = getPathsAsArray();

if (paths != null && resourceResolver != null) {

for (String path : paths) {

Resource fragmentResource = resourceResolver.getResource(path);

if (fragmentResource != null) {

ContentFragment fragment = fragmentResource.adaptTo(ContentFragment.class);

if (fragment != null) {

contacts.add(new Contact(

getElementValue(fragment, "name"),

getElementValue(fragment, "role"),

getElementValue(fragment, "profileimage"),

getElementValue(fragment, "gmail"),

getElementValue(fragment, "phone"),

getElementValue(fragment, "country")

));

}

}

}

}

}

/**

* Helper to safely convert the multifield object to a String array.

*/

private String[] getPathsAsArray() {

if (contactPathsObject instanceof String[]) {

return (String[]) contactPathsObject;

} else if (contactPathsObject instanceof String) {

return new String[]{(String) contactPathsObject};

}

return null;

}

private String getElementValue(ContentFragment fragment, String elementName) {

return Optional.ofNullable(fragment.getElement(elementName))

.map(ContentElement::getContent)

.orElse("");

}

public List<Contact> getContacts() {

return contacts;

}

public static class Contact {

private final String name;

private final String role;

private final String profileimage;

private final String gmail;

private final String phone;

private final String country;

public Contact(String name, String role, String profileimage, String gmail, String phone, String country) {

this.name = name;

this.role = role;

this.profileimage = profileimage;

this.gmail = gmail;

this.phone = phone;

this.country = country;

}

public String getName() { return name; }

public String getRole() { return role; }

public String getProfileimage() { return profileimage; }

public String getGmail() { return gmail; }

public String getPhone() { return phone; }

public String getCountry() { return country; }

}

}

Whenever I’m trying to update the data in dialog the old data is missing.

Data is losing only in author mode not in publisher mode How to fix it?