Bob Buzzard Blog: Managing a list of New Records in Visualforce

Bob Buzzard Blog: Managing a list of New Records in Visualforce: This week's post concerns bulk creation of an unknown number of sobject records - Accounts, for example. In this situation I want to dis......


Below code is pasted from "http://bobbuzzard.blogspot.in/2011/07/managing-list-of-new-records-in.html" for explanation see the original link .....



<apex:page controller="ManageListController" tabstyle="Account">
 <apex:form >
   <apex:pageBlock title="Bulk Account Create">
      <apex:pageBlockTable value="{!wrappers}" var="wrapper" id="wtable">
         <apex:column headerValue="Ident">
            <apex:outputText value="{!wrapper.ident}"/>
         </apex:column>
         <apex:column headerValue="Name">
            <apex:inputField value="{!wrapper.acc.Name}"/>
         </apex:column>
         <apex:column headerValue="Parent">
            <apex:inputField value="{!wrapper.acc.ParentId}"/>
         </apex:column>
         <apex:column headerValue="Industry">
            <apex:inputField value="{!wrapper.acc.Industry}"/>
         </apex:column>
         <apex:column headerValue="Type">
            <apex:inputField value="{!wrapper.acc.Type}"/>
         </apex:column>
         <apex:column headerValue="Action">
            <apex:commandButton value="Delete" action="{!delWrapper}" rerender="wtable">
               <apex:param name="toDelIdent" value="{!wrapper.ident}" assignTo="{!toDelIdent}"/>
            </apex:commandButton>
         </apex:column>
      </apex:pageBlockTable>
      <apex:commandButton value="Add Row" action="{!addRows}" rerender="wtable">
         <apex:param name="addCount" value="1" assignTo="{!addCount}"/>
      </apex:commandButton>
      <apex:commandButton value="Add 5 Rows" action="{!addRows}" rerender="wtable">
         <apex:param name="addCount" value="5" assignTo="{!addCount}"/>
      </apex:commandButton>
      <apex:commandButton value="Save" action="{!save}"/>
   </apex:pageBlock>
 </apex:form>
</apex:page>
/*********************************** controller class ********************/

public class ManageListController

{

 public List<AccountWrapper> wrappers {get; set;}

 public static Integer toDelIdent {get; set;}

 public static Integer addCount {get; set;}

 private Integer nextIdent=0;

  

 public ManageListController()

 {

  wrappers=new List<AccountWrapper>();

  for (Integer idx=0; idx<5; idx++)

  {

   wrappers.add(new AccountWrapper(nextIdent++));

  }

 }

  

 public void delWrapper()

 {

  Integer toDelPos=-1;

  for (Integer idx=0; idx<wrappers.size(); idx++)

  {

   if (wrappers[idx].ident==toDelIdent)

   {

    toDelPos=idx;

   }

  }

   

  if (-1!=toDelPos)

  {

   wrappers.remove(toDelPos);

  }

 }

  

 public void addRows()

 {

  for (Integer idx=0; idx<addCount; idx++)

  {

   wrappers.add(new AccountWrapper(nextIdent++));

  }

 }

  

 public PageReference save()

 {

  List<Account> accs=new List<Account>();

  for (AccountWrapper wrap : wrappers)

  {

   accs.add(wrap.acc);

  }

   

  insert accs;

   

  return new PageReference('/' + Schema.getGlobalDescribe().get('Account').getDescribe().getKeyPrefix() + '/o');

 }

  

 public class AccountWrapper

 {

  public Account acc {get; private set;}

  public Integer ident {get; private set;}

   

  public AccountWrapper(Integer inIdent)

  {

   ident=inIdent;

   acc=new Account(Name='Bulk Acc ' + ident);

  }

 }

}