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File: bnkMstr01.php

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  Classes of Prakash Khanchandani  >  Table Maintenance  >  bnkMstr01.php  >  Download  
File: bnkMstr01.php
Role: Example script
Content type: text/plain
Description: 4th level example
Class: Table Maintenance
Manage forms for CRUD MySQL table records
Author: By
Last change:
Date: 2 years ago
Size: 1,791 bytes
 

Contents

Class file image Download
<?php

/**
 * @author Prakash Khanchandani
 * @copyright 2013
 * @program bnkMstr01.php
 * @description bank master maintenance
 * @specialities - programming override to check whether delete allowed
 */


session_start();
require_once (
"classes.php");


function
createTableObject()
{
   
$obj = new bnkMstrTbl;
    if (
$obj->getListAndColumns() === false)
        return
false;
    else
        return
$obj;
}


#
#
#
#
#


class bnkMstrTbl extends mstrTable
{
    function
getListAndColumns()
    {
       
$this->tableName = 'bnkMstr';

       
$this->orderByClause = 'bank';
       
/*
        generate the list with auto determined columns, ie., dont pass any parameters. */
       
$result = parent::getListAndColumns();
        return
$result;
    }


    function
canDelete()
    {
       
/* if the bnkMstr record is used in brnchMstr, cannot delete. Otherwise, can.
        Funciton returns a 'no' for cannot delete and a 'yes' for can delete. You
        cannot return true/false since that is used for returning error condition */
       
$id = $this->getColDefsId('bank');
       
$val = $this->colDefs[$id]['colValu'];
       
$script = new mstrScripts;
       
// check if bank is used in brnchMstr
       
$result = $script->readMasterRecord("brnchMstr", "bank='$val'", "limit 1");
        if (
$result === false) {
           
addToErrorMsg($script->getErrorMsg());
            return
false;
        }
        if (
count($result) > 0)
            return
"no";
        else
            return
"yes";
    }
}


#
#
#
#
#


if (!isset($_REQUEST['actn'])) {
   
$obj = createTableObject();
} else {
   
/* if the user has taken some action, handle it. */
   
$obj = handleRequestOption();
}


$form = new mstrFH($obj);
$form->setDemoNotes(bnk01Notes());
$form->displayForm();
?>