git.m6w6.name Git - m6w6/pq-gateway/blob - lib/pq/Gateway/Cell.php

   1 <?php
   2
   3 namespace pq\Gateway;
   4
   5 use \pq\Query\Expressible;
   6
   7 class Cell extends Expressible implements \ArrayAccess
   8 {
   9         /**
  10          * @var \pq\Gateway\Row
  11          */
  12         protected $row;
  13
  14         /**
  15          * @var bool
  16          */
  17         protected $dirty;
  18
  19         /**
  20          * @param \pq\Gateway\Row $row
  21          * @param string $name
  22          * @param mixed $data
  23          * @param bool $dirty
  24          */
  25         function __construct(Row $row, $name, $data, $dirty = false) {
  26                 parent::__construct($name, $data);
  27                 $this->row = $row;
  28                 $this->dirty = $dirty;
  29         }
  30
  31         /**
  32          * Check whether the cell has been modified
  33          * @return bool
  34          */
  35         function isDirty() {
  36                 return (bool) $this->dirty;
  37         }
  38
  39         /**
  40          * Set the value
  41          * @param mixed $data
  42          * @return \pq\Gateway\Cell
  43          */
  44         function set($data) {
  45                 if ($data instanceof Row) {
  46                         $this->row->__set($data->getTable()->getName() . "_id", $data->id);
  47                         $this->row->__unset($this->name);
  48                         return $this;
  49                 }
  50                 if ($data instanceof Cell) {
  51                         $data = $data->get();
  52                 }
  53                 if ($this->data !== $data) {
  54                         parent::set($data);
  55                         $this->dirty = true;
  56                 }
  57                 return $this;
  58         }
  59
  60         /**
  61          * Modify the value in this cell
  62          * @param mixed $data
  63          * @param string $op a specific operator
  64          * @return \pq\Gateway\Cell
  65          */
  66         function mod($data, $op = null) {
  67                 if (is_string($data)) {
  68                         $data = $this->row->getTable()->getConnection()->quote($data);
  69                 }
  70                 parent::mod($data, $op);
  71                 $this->dirty = true;
  72                 return $this;
  73         }
  74
  75         function offsetGet($o) {
  76                 if (isset($this->data) && !is_array($this->data)) {
  77                         throw new \UnexpectedValueException("Cell data is not an array");
  78                 }
  79                 return $this->data[$o];
  80         }
  81
  82         function offsetSet($o, $v) {
  83                 if (isset($this->data) && !is_array($this->data)) {
  84                         throw new \UnexpectedValueException("Cell data is not an array");
  85                 }
  86                 if (isset($o)) {
  87                         $this->data[$o] = $v;
  88                 } else {
  89                         $this->data[] = $v;
  90                 }
  91                 $this->dirty = true;
  92         }
  93
  94         function offsetExists($o) {
  95                 if (isset($this->data) && !is_array($this->data)) {
  96                         throw new \UnexpectedValueException("Cell data is not an array");
  97                 }
  98                 return isset($this->data[$o]);
  99         }
 100
 101         function offsetUnset($o) {
 102                 if (isset($this->data) && !is_array($this->data)) {
 103                         throw new \UnexpectedValueException("Cell data is not an array");
 104                 }
 105                 unset($this->data[$o]);
 106                 $this->dirty = true;
 107         }
 108 }