Pagination On Visual force Page Using StandardSetController


Requirement:  Need to create a visual force page and add processed the records on selection of check boxes

Solution:

Class Name:

public class ContactController {


    Public class WrapperContactCls

    {

        public Contact con{get;set;}

        public boolean isSelected{get;set;}

        public WrapperContactCls(Contact c,boolean isSelected)

        {

            this.con = c;

            this.isSelected = isSelected;

        }

    }
 

    public String size { get; set; }

    //This is Our collection of the class/wrapper objects WrapperContactCls

    Public List<WrapperContactCls> wrapperlist;

    Public Integer noOfRecords{get; set;}

    // Create a new Map to verify whether the contact is already added in the Map

    Map <id,Contact> MapOfSelectedcontactIDToContactObj = new Map <id,Contact>();

    public boolean display{get;set;}

    public list<Contact> selectedList {get;set;}

    // instantiate the StandardSetController from a query locator

    public ApexPages.StandardSetController Setcon

    {

    get

    {

    if(Setcon == Null)

    {

    Setcon = new ApexPages.StandardSetController(Database.getQueryLocator([Select Name,Accountid,Email,MobilePhone,LeadSource from Contact]));

    // sets the number of records in each page set

    setCon.setpagesize(10);

    noOfRecords = setCon.getResultSize();

    }

    return Setcon;

    }

    set;

    }

    //Returns a list of wrapper objects for the sObjects in the current page set

    Public List<WrapperContactCls> getContact()
    {

        getSelectedContact();

        // Initilaize the list to add the selected contact

        wrapperlist = new List <WrapperContactCls>();

        for(Contact cc : (List<contact>)Setcon.getRecords())
        {
            if( MapOfSelectedcontactIDToContactObj .ContainsKey(cc.id))
            {
                wrapperlist.add (new WrapperContactCls(cc,true));
            }
            else
            {
                wrapperlist.add(new WrapperContactCls(cc,false));
            }
        }

        return wrapperlist;
    }

    public void getSelectedContact(){
        if(wrapperlist!=null)
        {

            for(WrapperContactCls objWrap:wrapperlist)
            {

                if(objWrap.isSelected == true)
                {
                    MapOfSelectedcontactIDToContactObj.put(objWrap.con.id,objWrap.con);
                }

                else
                {
                    MapOfSelectedcontactIDToContactObj.remove(objWrap.con.id);
                }
            }
        }

    }

    public void proceedRecords()

    {
        display = true;
        getSelectedContact();
        selectedList = MapOfSelectedcontactIDToContactObj.values();
    }

    public integer pageNumber
    {
        get
        {
            return Setcon.getPageNumber();
        }
        set;
    }

   

}


VF Page


<apex:page controller="ContactController ">


<apex:form id="frmId">

<apex:pageblock >

<apex:pageBlockButtons location="Top">

<apex:commandButton value="Processed" action="{!proceedRecords}" /><br/>
<apex:outputText >Total Record :{!noOfRecords} </apex:outputText>
</apex:pageBlockButtons>
<apex:pageblocktable value="{!Contact}" var="objCon" >

<apex:column headerValue="Select Contact">

<apex:inputCheckbox value="{!objCon.isSelected }"/>

</apex:column>

<apex:column value="{!objCon.con.Name}"/>

<apex:column value="{!objCon.con.Accountid}"/>

<apex:column value="{!objCon.con.Email}"/>

<apex:column Value="{!objCon.con.MobilePhone}"/>


</apex:pageblocktable>

<apex:pageBlockButtons location="Bottom">

<apex:commandButton value="First" action="{!Setcon.First}" reRender="frmId" />

<apex:commandButton value="Previous" action="{!Setcon.Previous}" reRender="frmId" />

<apex:commandButton value="Next" action="{!Setcon.Next}" reRender="frmId" />

<apex:commandButton value="Last" action="{!Setcon.Last}" reRender="frmId" />

</apex:pageBlockButtons>


<apex:outputText >Page Number {!pageNumber} </apex:outputText>

</apex:pageblock>

<apex:pageblock >

<apex:outputPanel rendered="{!display}">

<apex:pageblocktable value="{!selectedList}" var="wrapObj" >

<apex:column value="{!wrapObj.Name}"/>

<apex:column value="{!wrapObj.Accountid}"/>

<apex:column value="{!wrapObj.Email}"/>

<apex:column value="{!wrapObj.MobilePhone}"/>

<apex:column value="{!wrapObj.LeadSource}"/>

</apex:pageblocktable>

</apex:outputPanel>

</apex:pageblock>

</apex:form>

</apex:page>


SnapShot:





Thanks,
Sumit Shukla
sumitshukla.mca@gmail.com
9711055997




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