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Get field labels dynamically in the lightning component
public class AccountEditController {
@AuraEnabled
public static String getObjectType() {
// Passing the sObject name in the method, it could be multiple objects too
return Utility.getDescribedObjects( new List<String>{'Account'} );
}
}
<aura:component controller="AccountEditController">
<aura:attribute name="ObjectType" type="Object"/>
<aura:attribute name="account" type="Account"
default="{ Name: 'Test Account', Type: 'Business', Phone: '+44 34522346', Client_Status__c: 'Not Active' }"/>
<aura:handler name="init" value="{!this}"
action="{!c.doInit}"/>
<div class="c-container">
<lightning:layout>
<lightning:layoutItem padding="around-small">
<lightning:input aura:id="name" label="{!v.ObjectType.Account.Name.label}" type="text" value="{!v.account.Name}"/>
</lightning:layoutItem>
<lightning:layoutItem padding="around-small">
<lightning:select aura:id="type" label="{!v.ObjectType.Account.Type.label}" value="{!v.account.Type}">
<aura:iteration items="{!v.ObjectType.Account.Type.picklistOptions}" var="option">
<option value="{!option.value}" text="{!option.label}"/>
</aura:iteration>
</lightning:select>
</lightning:layoutItem>
</lightning:layout>
<lightning:layout>
<lightning:layoutItem padding="around-small">
<lightning:input aura:id="phone" type="phone" label="{!v.ObjectType.Account.Phone.label}" value="{!v.account.Phone}"/>
</lightning:layoutItem>
<lightning:layoutItem padding="around-small">
<lightning:input aura:id="text" type="clientStatus" label="{!v.ObjectType.Account.Client_Status__c.label}" value="{!v.account.Client_Status__c}"/>
</lightning:layoutItem>
</lightning:layout>
</div>
</aura:component>
({
doInit : function(component, event, helper) {
let action = component.get( "c.getObjectType" );
action.setCallback( helper, function( response ) {
if ( component.isValid() && response.getState() === 'SUCCESS' ) {
// Parse the JSON string into an object
component.set( 'v.ObjectType', JSON.parse( response.getReturnValue() ) );
console.table( JSON.parse( response.getReturnValue() ) );
} else {
console.error( 'Error calling action "' + actionName + '" with state: ' + response.getState() );
}
});
$A.enqueueAction( action );
}
})
public class Utility {
public static String getDescribedObjects( List<String> lstSObjectType ) {
// Globally desribe all the objects
Map<String, SObjectType> globalDescribe = Schema.getGlobalDescribe();
// Create a JSON string with object field labels and picklist values
String allObjJSON = '{';
// Iterate over the list of objects and describe each object
for( String sObjectType : lstSObjectType ) {
if( allObjJSON != '{' )
allObjJSON += ', ';
allObjJSON += '"' + sObjectType + '": ';
DescribeSObjectResult describeResult = globalDescribe.get(sObjectType).getDescribe();
Map<String, Schema.SObjectField> desribedFields = describeResult.fields.getMap();
String objJSON = '{';
for( String fieldName : desribedFields.keySet() ) {
// Descirbe the field
Schema.SObjectField field = desribedFields.get( fieldName );
Schema.DescribeFieldResult f = field.getDescribe();
if( objJSON != '{' )
objJSON += ', ';
// Get the field label and append in the JSON string
objJSON += '"' + f.getName() + '": ' + '{ "label" : "' + f.getLabel() + '"';
// if it's a picklist field then also add the picklist options
if( field.getDescribe().getType() == Schema.DisplayType.PICKLIST ){
List <Schema.PicklistEntry> picklistValues = field.getDescribe().getPickListValues();
List<String> pickListOptions = new List<String>();
pickListOptions.add('{ "label": "--None--", "value": null }');
for (Schema.PicklistEntry pe : picklistValues) {
pickListOptions.add('{ "label": "' + pe.getLabel() + '", "value": "' + pe.getValue() + '" }');
}
System.debug( '>>>> ' + fieldName + '>>>> ' + String.join(pickListOptions, ', ') );
objJSON += ', "picklistOptions": [' + String.join(pickListOptions, ', ') + ']';
}
objJSON += '}';
}
objJSON += '}';
allObjJSON += objJSON;
}
// Close the object in the JSON String
allObjJSON += '}';
System.debug( ' JSON STRING : ' + allObjJSON );
return allObjJSON;
}
}
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