public void SaveAssignedPercentage()
{

    string errorSavingAssignmentsMessage = '';

    try
    {
        List<Team_Member_Projects__c> tmpList = new List<Team_Member_Projects__c>();
        List<Team_Member_Projects__c> tmpListToDelete = new List<Team_Member_Projects__c>();


        if(AssignByRoleModifiedTeamMemberIds != '' && AssignByRoleModifiedTeamMemberIds != null)
        {
            Set<string> tmIds = new Set<string>(AssignByRoleModifiedTeamMemberIds.split(','));

            Map<Id,Team_Member_Projects__c> oldRecordMap
            = new Map<Id,Team_Member_Projects__c>(
                 [select Team_Member__c, Opportunity__c, Assigned__c, Id
                    from Team_Member_Projects__c
                    where Team_Member__c in :tmIds
                        and Assignment_End_Date__c = null]);

            //ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, string.valueof(oldRecordMap)));
            //return;

            Map<string,decimal> totalAssignmentsMap = new Map<string,decimal>();
            Set<string> existingAssignments = new Set<string>();

            if(oldRecordMap != null)
            {
                for(Team_Member_Projects__c tmp : oldRecordMap.values())
                {
                    string tmId = tmp.Team_Member__c;
                    if(totalAssignmentsMap.get(tmId) == null)
                        totalAssignmentsMap.put(tmId, 0);

                    decimal totalAssignment = totalAssignmentsMap.get(tmId);
                    totalAssignment += tmp.Assigned__c;
                    totalAssignmentsMap.put(tmId, totalAssignment);

                    existingAssignments.add(tmId+tmp.Opportunity__c);
                }
            }

            for(string tmId : tmIds)
            {
                List<Team_Member_Projects__c> tmAssignedProjects = new List<Team_Member_Projects__c>();
                if(TmpMap.get(tmId) != null)
                    tmAssignedProjects = TmpMap.get(tmId);

                decimal totalAssignment = 0;

                if(totalAssignmentsMap.containsKey(tmId))
                    totalAssignment = totalAssignmentsMap.get(tmId);

                for(Team_Member_Projects__c tmpObj : tmAssignedProjects)
                {
                    boolean wrongAssignmentValue = false;

                    if(tmpObj.Id != null)
                    {
                        Team_Member_Projects__c oldTmpObj = oldRecordMap.get(tmpObj.Id);

                        boolean projectWasChanged = tmpObj.Opportunity__c != oldTmpObj.Opportunity__c;

                        ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, string.valueof(tmpObj)));
                        return;

                        if(projectWasChanged)
                        {
                            if(existingAssignments.contains(tmId+tmpObj.Opportunity__c))
                            {
                                errorSavingAssignmentsMessage = 'Save Failed. Team member can only be assigned once to each the project.';
                                projectWasChanged = false;
                            }
                            else
                            {
                                Team_Member_Projects__c newAssignment = new Team_Member_Projects__c();
                                newAssignment.Assigned__c = tmpObj.Assigned__c;
                                newAssignment.Opportunity__c = tmpObj.Opportunity__c;
                                newAssignment.Team_Member__c = tmId;
                                tmpList.add(newAssignment);
                            }
                        }
                        else if(tmpObj.Assigned__c == 0
                                || tmpObj.Assigned__c == null
                                ||tmpObj.Opportunity__c == null
                                || projectWasChanged)
                        {

                            tmpObj = oldTmpObj;
                            tmpObj.Assignment_End_Date__c = system.now();
                        }

                        if(tmpObj.Assigned__c != null)
                        {
                            if(oldTmpObj.Assigned__c != tmpObj.Assigned__c)
                            {
                                if(tmpObj.Assigned__c < 0 || tmpObj.Assigned__c > 100)
                                {
                                    wrongAssignmentValue = true;
                                }
                                else
                                {
                                    totalAssignment -= oldTmpObj.Assigned__c;
                                    totalAssignment += tmpObj.Assigned__c;
                                }
                            }
                        }
                    }
                    else
                    {   if(tmpObj.Assigned__c == null)
                        {
                            tmpObj.Assigned__c = 0;
                            if(tmpObj.Opportunity__c != null)
                                totalAssignment += tmpObj.Assigned__c;
                        }
                        else if(tmpObj.Assigned__c <= 0
                            || tmpObj.Assigned__c > 100)
                        {
                            if(tmpObj.Opportunity__c != null)
                                wrongAssignmentValue = true;
                        }
                        else
                        {
                            if(tmpObj.Opportunity__c == null)
                                errorSavingAssignmentsMessage = 'Save Failed. Please assign a project to the team member.';
                            else
                                totalAssignment += tmpObj.Assigned__c;
                        }
                    }

                    //change
                    //ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, string.valueof(tmpObj)));
                    //return;

                    if(wrongAssignmentValue)
                        errorSavingAssignmentsMessage = 'Save Failed. Team members' assignments should be between 1% and 100%.';

                    if(totalAssignment > 100)
                        errorSavingAssignmentsMessage = 'Save Failed. Team members' assignments should not exceed 100%.';

                    if(errorSavingAssignmentsMessage != '')
                        break;

                    if(tmpObj.Assigned__c == null)
                        tmpObj.Assigned__c = 0;

                    ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, string.valueof(tmpObj)));
                    return;

                    if(tmpObj.Assigned__c != null && tmpObj.Opportunity__c != null)
                        tmpList.add(tmpObj);
                }
            }

        }


        if(errorSavingAssignmentsMessage != '')
        {
            ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, errorSavingAssignmentsMessage));
            return;
        }

        upsert tmpList;
        update teamMemberList;
    }
    catch(Exception ex)
    {
        ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, ex.getMessage()));
        if(ex.getMessage().contains('entity is deleted'))
            ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, 'There was a problem updating the changes. One of the opportunities being modified has already been deleted.'));
    }
}