Clone Override

LeadCloneWithActivities.page.xhtml

<apex:page tabStyle="Lead" standardController="Lead" extensions="LeadCloneWithActivitiesController" >
  <apex:form >
    <apex:sectionHeader title="Cloning" subtitle="{!Lead.Name} and Activities ({!clone.Tasks.size + clone.Events.size})" />
    <apex:pageBlock title="Lead Clone" tabStyle="Lead" >
      <apex:pageMessages />
      <apex:pageBlockButtons >
        <apex:commandButton value="Cancel" action="{!cancel}" />
        <apex:commandButton value="Save" action="{!saveClone}" />
      </apex:pageBlockButtons>
      <apex:outputPanel rendered="{!leadLayout!=null && clone != null}">
        <apex:repeat value="{!leadLayout.layoutSections}" var="section">
          <apex:pageBlockSection title="{!section.label}" collapsible="false">
            <apex:repeat value="{!section.layoutColumns}" var="col">
              <apex:repeat value="{!col.layoutItems}" var="item">
                <apex:inputField 
                   rendered="{!item.behavior = EditEnum && item.field != 'CampaignId' && item.field != 'Address'}" 
                   value="{!clone[item.field]}" 
                />
              </apex:repeat>
            </apex:repeat>
          </apex:pageBlockSection>
        </apex:repeat>
      </apex:outputPanel>
    </apex:pageBlock>
  </apex:form>
</apex:page>