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Suggestion: onget/onset hooks #117

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Suggestion: onget/onset hooks #117

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18 changes: 18 additions & 0 deletions db/cursor.php
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Original file line number Diff line number Diff line change
Expand Up @@ -373,6 +373,24 @@ function onerase($func) {
return $this->aftererase($func);
}

/**
* Define onget trigger
* @return callback
* @param $func callback
**/
function onget($func) {
return $this->trigger['onget']=$func;
}

/**
* Define onset trigger
* @return callback
* @param $func callback
**/
function onset($func) {
return $this->trigger['onset']=$func;
}

/**
* Reset cursor
* @return NULL
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14 changes: 10 additions & 4 deletions db/sql/mapper.php
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Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,8 @@ function set($key,$val) {
if ($this->fields[$key]['value']!==$val ||
$this->fields[$key]['default']!==$val && is_null($val))
$this->fields[$key]['changed']=TRUE;
if (isset($this->trigger['onset']))
\Base::instance()->call($this->trigger['onset'],array($key,&$val,$this));
return $this->fields[$key]['value']=$val;
}
// adjust result on existing expressions
Expand All @@ -112,11 +114,15 @@ function set($key,$val) {
function &get($key) {
if ($key=='_id')
return $this->_id;
elseif (array_key_exists($key,$this->fields))
return $this->fields[$key]['value'];
if (array_key_exists($key,$this->fields))
$val=$this->fields[$key]['value'];
elseif (array_key_exists($key,$this->adhoc))
return $this->adhoc[$key]['value'];
user_error(sprintf(self::E_Field,$key),E_USER_ERROR);
$val=$this->adhoc[$key]['value'];
else
user_error(sprintf(self::E_Field,$key),E_USER_ERROR);
if (isset($this->trigger['onget']))
\Base::instance()->call($this->trigger['onget'],array($key,&$val,$this));
return $val;
}

/**
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