public class ApproveTimeSheetController {
    
  
    public string ParameterId {get;set;}

     
    public Project__c currentProject {get;set;}
  
    public boolean PageInError {get;set;}
    
    public string Title {get;set;}
    
    public string SelectedMemberId {get; set;}  
    public string SelectedTimeSheetId {get; set;} 

    //Contructor
    public ApproveTimeSheetController() {
        
        PageInError=false;
        
        ParameterId=ApexPages.currentPage().getParameters().get('Id');
        
        system.debug('++parameterID  :' + parameterID);
        
        //Check if we have a SOW or a project, then deduce the parent sow or child project.
        
        if (parameterID!=null){
        
            for (Project__c p:[select name,Sow__c from Project__c where id=:parameterID])
                currentProject=p;
            Title='Project: ' + currentProject.name;
        }
        
        if (currentProject == null){
            pageInError=true;
            ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR,'Project or SOW not found'));
        }
      
        
    }



    public Forecast__c fakeWeek1 {
        get {
            if (fakeWeek1 == null) {
                fakeWeek1 = new Forecast__c();
                fakeWeek1.Week_Start_Date__c = System.today().toStartOfWeek();
                fakeWeek1.Week_End_Date__c = fakeWeek1.Week_Start_Date__c.addDays(6);
            }
            return fakeWeek1;
        }
        set;
    }
    
    public pageReference UncheckApproved(){
        for (TimeSheetsByMember m:TimeSheetsByMembers){
            if (m.TeamMemberId==SelectedMemberId){
                for (Time2 t:m.Times){
                    if (t.timerecord.id==SelectedTimeSheetId){
                        if (t.Rejected==true)
                            t.Approved=false;
                        break;
                    }
                }
                break;
            }
        }
        return null;    
    }
    
    public pageReference UncheckRejected(){
        for (TimeSheetsByMember m:TimeSheetsByMembers){
            if (m.TeamMemberId==SelectedMemberId){
                for (Time2 t:m.Times){
                    if (t.timerecord.id==SelectedTimeSheetId){
                        if (t.Approved==true)
                            t.Rejected=false;
                        break;
                    }
                }
                break;
            }
        }
        return null;
    }
    
    
    public pageReference ApproveAll(){
        //Find the proper project member in the list based on selectedMemberId
        system.assertNotEquals(SelectedMemberId,null);
        for (TimeSheetsByMember m:TimeSheetsByMembers){
            if (m.TeamMemberId==SelectedMemberId){
                for (Time2 t:m.Times){
                    t.Approved=true;
                    t.Rejected=false;
                }
                break;
            }
        }
        return null;
    } 
    
    public pagereference Next() {
        fakeWeek1.Week_Start_Date__c = fakeWeek1.Week_Start_Date__c.addDays(7);
        fakeWeek1.Week_End_Date__c =fakeWeek1.Week_End_Date__c.addDays(7);
        resetData();
        return null;
    }
    public pagereference Previous() {
         fakeWeek1.Week_Start_Date__c = fakeWeek1.Week_Start_Date__c.addDays(-7);
        fakeWeek1.Week_End_Date__c =fakeWeek1.Week_End_Date__c.addDays(-7);
         resetData();
        return null;   
    }
    
    public pageReference SaveCheckboxes(){
        
        list<Time__c> timeSheetsToUpdate = new list<Time__c>();
        for (TimeSheetsByMember m:TimeSheetsByMembers){
            if (m.TeamMemberId==SelectedMemberId){
                for (Time2 t:m.Times){
                    if (t.Approved && t.Rejected){
                         ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR,'You cannot approve and reject a record.'));
                    }
                    else if (t.Rejected)
                        t.timerecord.Approval_Status__c='Rejected';
                    else if (t.Approved)
                        t.timerecord.Approval_Status__c='Approved';
                    else
                        t.timerecord.Approval_Status__c='';
                        
                    timeSheetsToUpdate.add(t.timerecord);
                }
                break;
            }
        }
        update timeSheetsToUpdate;
      //   ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.INFO,'Your changes were saved.'));
        
        return null;
        return null;  
    }
    
    public list<Project_Team__c> ProjectMembers {
        get {
            if (ProjectMembers==null){
               
                if (currentProject!=null)
                    ProjectMembers= new list<Project_Team__c>([select Id,Team_Member__r.Name, Project_Role_Name__c ,Project_Role__r.Est_Hours__c from Project_Team__c where Project__c=:currentProject.id]);
                else
                    ProjectMembers=new list<Project_Team__c>();
            }
            return ProjectMembers;
        }
        private set;
    }
    
    public list<TimeSheetsByMember> TimeSheetsByMembers {
        get{
            if (TimeSheetsByMembers==null){
                
                
            
                //Fetch TimeSheets in that range and map by Project Team Member
                Map<Id,list<Time2>> MapTimeSheets = new Map<Id,list<Time2>>(); //Key: Project_Team_Role__c (ie: team member)
            
                for (Time__c t:[select Id, name,Date__c,Hours__c,Type_of_Work__c,Function__c,Comments__c,Rejected_Comments__c,Project_Team_Role__c,Billable__c,Approval_Status__c
                                FROM Time__c
                                WHERE Project_Team_Role__c in:ProjectMembers
                                AND Date__c >=:fakeWeek1.Week_Start_Date__c and Date__c<=:fakeWeek1.Week_Start_Date__c.addDays(6)
                                ORDER by Date__c]){
                
                    list<Time2> tmpList = MapTimeSheets.containsKey(t.Project_Team_Role__c)?MapTimeSheets.get(t.Project_Team_Role__c):new list<Time2>();
                    tmpList.add(new Time2(t));
                    MapTimeSheets.put(t.Project_Team_Role__c,tmpList);
                }
            
                list<TimeSheetsByMember> TimeSheetsByMembersUnordered = new list<TimeSheetsByMember>();
                
                for (Project_Team__c pm:ProjectMembers){
                    
                    TimeSheetsByMember tm=new TimeSheetsByMember();
                    tm.TeamMemberId=pm.id;
                    tm.TeamMemberName=pm.Team_Member__r.Name;
                    tm.Role=pm.Project_Role_Name__c;
                    if (MapTimeSheets.containsKey(pm.id)){
                        tm.Times=MapTimeSheets.get(pm.id);
                        tm.NoTimeThisWeek=false;
                    }
                    else{
                        tm.Times=new list<Time2>();
                        tm.NoTimeThisWeek=true;
                    }
                        
                    TimeSheetsByMembersUnordered.add(tm);    
                }
                
                //Reorder to put resource without times at the bottom
                TimeSheetsByMembers = new list<TimeSheetsByMember>();
                for (TimeSheetsByMember tm:TimeSheetsByMembersUnordered){
                    if (!tm.NoTimeThisWeek)
                        TimeSheetsByMembers.add(tm);
                }
                for (TimeSheetsByMember tm:TimeSheetsByMembersUnordered){
                    if (tm.NoTimeThisWeek)
                        TimeSheetsByMembers.add(tm);
                }
                
                
                
                
            }   
            return TimeSheetsByMembers;
        }
        private set;
    }
    
    
    private void resetData(){
        TimeSheetsByMembers=null;
        ProjectMembers=null;
        
    }
    
    public pageReference Refresh() {
        resetData();
        return null;    
    }
    
  
    
    public class TimeSheetsByMember {
        public Id TeamMemberId {get;private set;}
        public string TeamMemberName {get;private set;}
        public String Role {get;private set;}
        public integer totalHours {get;private set;}
        public list<Time__c> TimeSheets {get;set;}
        public list<Time2> Times {get;set;}
        public boolean NoTimeThisWeek {get;set;}
    }
    
    public class Time2 {
        public Time__c timerecord {get;set;}
        public string TimeDate {get;set;}
        public boolean Approved {get;set;}
        public boolean Rejected {get;set;}
        public boolean apprvchk {get;set;}
        public boolean rejectchk {get;set;}
        public Time2(Time__c timerec){
            this.timerecord=timerec;
            if (timerec.Approval_Status__c=='Approved')
                this.Approved=true;
            else if (timerec.Approval_Status__c=='Rejected')
                this.Rejected=true;
            this.TimeDate=String.ValueOf(timerecord.Date__c.day())+'/'+String.ValueOf(timerecord.Date__c.month())+'/'+String.ValueOf(timerecord.Date__c.year());  
        }
    }
Public class classname{
public boolean Approved {get;set;}
public boolean Rejected {get;set;}
 public classname(){
	Approved = false;
	Rejected = false;
}
 public void uncheckRejected(){
	Approved = true;
	Rejected = false;
}

 public void uncheckApproved(){
	Approved = false;
	Rejected = true;
}
}
  
  
      /* 
  
   public class ForecastRole {
        
        public string rolename {get;private set;}
        public Id roleId {get;private set;}
        public String Type {get;private set;}
        public decimal totalSowHours {get;private set;}
        public integer totalHours {get;private set;}
        public integer totalPlannedHours {get;private set;}
        public list<ForecastDate> ForecastDates {get;set;}
        //Constructor
        public ForecastRole(string rolename,Id roleId,decimal totalSowHours){
            this.rolename=rolename;
            this.roleId=roleId;
            this.totalSowHours= totalSowHours;
        }
    }
    
  public class ForecastMember {
        
        public Id TeamMemberId {get;private set;}
        public string TeamMemberName {get;private set;}
        public string rolename {get;private set;}
        public decimal totalSowHours {get;private set;}
        public integer totalHoursPlan {get;private set;}
        public integer totalHoursForecast {get;private set;}
        public integer totalHoursForecastAll {get;private set;}
        public list<ForecastDate> ForecastDates {get;set;}
        //Constructor
        public ForecastMember(String TeamMemberName,string rolename,Id TeamMemberId,decimal totalSowHours){
            this.TeamMemberName=TeamMemberName;
            this.rolename=rolename;
            this.TeamMemberId=TeamMemberId;
            this.totalSowHours= totalSowHours;
        }
    }
    
   
*/

}

<apex:page controller="ApproveTimeSheetController" lightningStylesheets="true">
   
    <style type="text/css">
       
        .inputcell {width:80px;text-align:center;}
        
        .myFormStyle {
            background-color:#7492B1;
        }
        
        
         
        #customers {
          font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
          border-collapse: collapse;
          width: 100%;
        } 
        
        #customers td, #customers th {
          border: 1px solid #ddd;
          padding: 4px;
        }
        
        #customers tr:nth-child(even){background-color: #eaebef;}
        #customers tr {
            height: 40px;
        }
        #customers tr:hover {background-color: #ddd;}
        
        #customers th {
          padding-top: 5px;
          padding-bottom: 5px;        
          background-color: #a9c2d6;
          color: white;
        }

    
    </style>
   
  
    <apex:form id="timesheetform" styleclass="myFormStyle" rendered="{!!PageInError}">
<script>
window.onload = function confirmDisbaled(ifchecked, id1 ,id2) {
         document.getElementById(id1).disabled = ifchecked;
document.getElementById(id2).disabled = ifchecked;
      }  
function confirmDisbaled(ifchecked, id1 ,id2) {


document.getElementById(id1).disabled = ifchecked;
document.getElementById(id2).disabled = ifchecked;
}
</script>
      
        <apex:slds />
            
        <div style="padding: 20px;" >
        
          
            <div class="slds-page-header">
                <div class="slds-page-header__row">
                    
                    <div class="slds-page-header__col-title">
                        <div class="slds-media">
                            <div class="slds-media__figure">
                                <span class="slds-icon_container slds-icon-standard-opportunity" title="Approve Timesheet">
                                    <svg class="slds-icon slds-page-header__icon" aria-hidden="true">
                                        <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="/assets/icons/standard-sprite/svg/symbols.svg#work_type_group" />
                                    </svg>
                                    <span class="slds-assistive-text">Forecast</span>
                                </span>
                            </div>
                        <div class="slds-media__body">
                            <div class="slds-page-header__name">
                                <div class="slds-page-header__name-title">
                                    <h1><span class="slds-page-header__title slds-truncate">{!Title}</span></h1>
                                </div>
                            </div>
                            <p class="slds-page-header__name-meta">Approve Timesheets</p>
                        </div>
                        <br/>
                         <a href="/{!ParameterId}">Back to Project</a>
                    </div>
                </div>
                </div>
            </div>
    
            <br/>
           
            <apex:pageBlock title="Date Selection" id="DateSelection">
            
                <table width="100%">
                    <COLGROUP width="40%"></COLGROUP>
                    <COLGROUP width="40%"></COLGROUP>
                
                    <tr>
                        <td><apex:outputLabel value="Week Start" />&nbsp;&nbsp;<apex:inputField value="{!fakeWeek1.Week_Start_Date__c}" /></td>
                        <td ><apex:commandButton action="{!Previous}" value="<<"/>&nbsp;&nbsp;<apex:commandButton value="Refresh" action="{!Refresh}"/> &nbsp;&nbsp;<apex:commandButton action="{!Next}" value=">>" /></td>
                     
                        
                    </tr>
                </table>
            </apex:pageBlock>
             
            <br/>
            
            <apex:repeat value="{!TimeSheetsByMembers}" var="member">
                <apex:pagemessages id="ErrorMessages" />  
                <apex:pageBlock title="{!member.TeamMemberName} ({!member.Role})">
                    <apex:outputpanel rendered="{!member.NoTimeThisWeek}">
                       <div style="color:red;"><b>NO TIMESHEET ENTRIES FOR THIS WEEK</b></div>
                    </apex:outputpanel>
                    <apex:outputpanel id="Timesheets" rendered="{!not(member.NoTimeThisWeek)}">
                        <table padding="30px;">
                            <tr><td  style="text-align:right;">  
                        
                                <apex:commandButton value="Approve All" action="{!ApproveAll}" rerender="timesheetform">
                                    <apex:param name="index" value="{!member.TeamMemberid}" assignTo="{!SelectedMemberId}"/>
                                </apex:commandButton>
                            </td></tr>
                        </table>
                        <br/>
                        <table padding="10px;" id="customers">
                            <COLGROUP width="7%"></COLGROUP>
                            <COLGROUP width="12%"></COLGROUP>    
                            <COLGROUP width="12%"></COLGROUP>    
                            <COLGROUP width="7%"></COLGROUP> 
                            <COLGROUP width="5%"></COLGROUP>
                            <COLGROUP width="20%"></COLGROUP>
                            <COLGROUP width="5%"></COLGROUP>
                            <COLGROUP width="5%"></COLGROUP>
                            <COLGROUP width="20%"></COLGROUP>
                            <COLGROUP width="15%"></COLGROUP>
                            
                            <!--headers-->
                           
                            <tr class="dbrow">
                                <th>Date</th>
                                <th style="text-align:center;">Function</th>
                                <th style="text-align:center;">Type of Work</th>
                                <th style="text-align:center;">Hours</th>
                                <th style="text-align:center;">Billable</th>
                                <th>Comments</th> 
                                <th style="text-align:center;">Approved</th>
                                <th style="text-align:center;">Rejected</th>
                                <th>Rejected Comments</th>
                                <th>Click to Edit</th>
                            </tr>    
                            <apex:repeat value="{!member.Times}" var="time"> 
                                <tr>
                                    <td><apex:outputText value="{!time.TimeDate}"/></td>
                                    <td style="text-align:center;"><apex:outputText value="{!time.timerecord.Function__c}"/></td>
                                    <td style="text-align:center;"><apex:outputText value="{!time.timerecord.Type_of_Work__c}"/></td> 
                                    <td style="text-align:center;"><apex:outputText value="{!time.timerecord.Hours__c}"/></td>
                                    <td style="text-align:center;"><apex:outputText value="{!time.timerecord.Billable__c}"/></td>
                                    <td><apex:outputText value="{!time.timerecord.Comments__c}"/></td>   
                                    <td style="text-align:center;">
                                        <apex:inputcheckbox id="apprvchk" value="{!time.Approved}">
                                        <apex:actionSupport event="onclick" action="{!uncheckRejected}" rerender="theBlock"></apex:actionSupport>
                                        </apex:inputcheckbox> 
                                            
                                    </td>  
                                    <td style="text-align:center;">
                                        <apex:inputcheckbox id="rejectchk" value="{!time.Rejected}">
                                        <apex:actionSupport event="onclick" action="{!uncheckApproved}" rerender="theBlock"></apex:actionSupport>   
                                        </apex:inputCheckbox>
                                    </td>  
                                    <td><apex:inputText value="{!time.timerecord.Rejected_Comments__c}" /></td>  
                                    <td><apex:outputlink value="/{!time.timerecord.Id}" target="_blank">{!time.timerecord.name}</apex:outputlink></td>  
                                </tr>
                              
                            </apex:repeat>
                           
                        </table>
                        <br/>
                         <table padding="30px;">
                            
                            <tr><td style="text-align:right;">
                                <apex:actionStatus id="submitstatus">
                                    <apex:facet name="start"> 
                                         <img style="opacity:1.0;" src="{!$Resource.SavingGif}"/>
                                    </apex:facet>
                                </apex:actionStatus>   
                                &nbsp;&nbsp;
                                <apex:commandButton value="Submit" action="{!SaveCheckboxes}" rerender="Timesheets,ErrorMessages" status="submitstatus">
                                      <apex:param name="index2" value="{!member.TeamMemberid}" assignTo="{!SelectedMemberId}"/>
                                </apex:commandButton>
                            </td></tr>
                        </table>
                    </apex:outputpanel>
                </apex:pageBlock>        
                
                
            </apex:repeat>
            
         
        </div>
        
    </apex:form> 
</apex:page>