Tag Archives: Visualforce Page

Check User Access Permission To Visualforce Page In Apex

Biswajeet   January 27, 2015   No Comments on Check User Access Permission To Visualforce Page In Apex

Sample Code:

List<SetupEntityAccess> seaList = [SELECT Id, Parent.Name, Parent.Profile.Name, Parent.Profile.Id FROM SetupEntityAccess
                                   WHERE Parent.Profile.Id = :UserInfo.getProfileId() AND SetupEntityId IN
                                   (SELECT Id FROM ApexPage WHERE Name = :your_VF_page AND NamespacePrefix = :your_namespace)];

if(!seaList.isEmpty()){
    //Login user have access to given VF page
}else{
    //login user don't have access to given VF page
}

Query Rows & Collection size exceeds maximum limit

Biswajeet   January 22, 2015   No Comments on Query Rows & Collection size exceeds maximum limit

Visualforce Page:

<apex:page controller="yourCustomcontroller" readonly="true">  
</apex:page>

Please note using readonly="true" in Visualforce page, can increase Query Rows & Collection size:

  • Query Rows limits increased from 50001 to 1 million rows.
  • Collection size limits increased from 1001 to 10000.

Get All Salesforce Users in Role Hierarchy Using Apex

Biswajeet   December 25, 2014   No Comments on Get All Salesforce Users in Role Hierarchy Using Apex

Controller:

Public with sharing class Sample{
    Public List<string> CusrrentUserRole{get;set;}
    Public List<String> RolesInHierarchy{get;set;}
    Public Sample(){
        CusrrentUserRole = New List<string>();
        CusrrentUserRole.add([SELECT UserRoleId FROM User Where Id =:UserInfo.getUserId() LIMIT 1].UserRoleId);
    }
    Public Void getRollInHierarchy(){
        
        RolesInHierarchy = New List<Id>();
        RolesInHierarchy = getAllRoleInHierarchy(CusrrentUserRole);
    }
    
    Public List<string> getAllRoleInHierarchy (List<Id> UserRole) {     
        List<string> currentRoleIds = new List<string>();     
        for(UserRole userRoleName :[SELECT Id,name FROM UserRole Where ParentRoleId  = :UserRole AND ParentRoleID != null]){    
            currentRoleIds.add(userRoleName.id);    
        }    
        if(currentRoleIds.size() > 0) {     
            currentRoleIds.addAll(getAllRoleInHierarchy(currentRoleIds)); 
        }    
        List<String> RoleList = New List<String>();  
        for(UserRole r:[SELECT Name From UserRole Where Id In:currentRoleIds]){
            RoleList.add(r.name);      
        }
        return RoleList;
    }        
}

Visualforce Page:

<apex:page controller="Sample">
 <apex:form>
   <apex:pageBlock>
     <apex:commandButton value="Show Roles below my Hierarchy" action="{!getRollInHierarchy}"/> 
   </apex:pageBlock>
   <apex:pageBlock >
   <b> Role below in Hierarchy are : </b>{!RolesInHierarchy}
   </apex:pageBlock>
  </apex:form>
</apex:page>

Output:

Dynamically Add Rows in Apex PageBlockTable

Biswajeet   December 25, 2014   No Comments on Dynamically Add Rows in Apex PageBlockTable

Controller:

public class Sample{
    
    Account acc = new Account();
    public List<Account> accList { get; set; }
    
    public Sample()
    {
        accList = new List<Account>();
        accList.add(acc);
    }
    
    Public void addAccount()
    {
        Account ac = new Account();
        accList.add(ac);
    }
}

Visualforce Page:

<apex:page Controller="Sample">
    <apex:form>
        <apex:pageBlock id="pbAcc">
            <apex:pageblockSection >
                <apex:pageBlockTable value="{!accList}" var="acc">
                    <apex:column headerValue="Account Name">
                        <apex:inputField value="{!acc.Name}"/>
                    </apex:column>
                    <apex:column headerValue="Account Number">
                        <apex:inputField value="{!acc.AccountNumber}"/>
                    </apex:column>
                    <apex:column headerValue="Account Type">
                        <apex:inputField value="{!acc.Type}"/>
                    </apex:column>
                    <apex:column headerValue="Industry">
                        <apex:inputField value="{!acc.Industry}"/>
                    </apex:column>
                </apex:pageBlockTable>
                <br/><apex:commandLink value="Add Row" action="{!addAccount}" reRender="pbAcc"/>   
            </apex:pageblockSection>        
            <apex:pageblockSection columns="1" >
                <apex:pageblockSectionItem >
                    <apex:commandButton value="Save" />
                    <apex:commandButton value="Cancel" />
                </apex:pageblockSectionItem>         
            </apex:pageblockSection>
        </apex:pageBlock>
    </apex:form>
</apex:page>

Output: