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Added egw_grid_columns class which is capable of managing the grid columns of a certain grid and to store, load and merge the user columns data into the default column set
This commit is contained in:
Andreas Stöckel
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0d9f55b59e
commit
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333
phpgwapi/inc/class.egw_grid_columns.inc.php
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333
phpgwapi/inc/class.egw_grid_columns.inc.php
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<?php
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/**
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* eGroupWare API: egw action grid columns classes
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*
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* @link http://www.egroupware.org
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package api
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* @subpackage egw action grid
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* @author Andreas Stöckel
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* @copyright (c) 2011 Stylite
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* @version $Id$
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*/
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/**
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* The egw_grid_columns class in this file is the PHP counterpart to the implementation
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* in the JS file egw_grid_columns.js. It can generate column json data, verify
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* it and store user settings for columns in the preferences
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*/
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class egw_json_object
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{
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private $supported_properties = array(
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"id" => array(
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"types" => "string",
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"default" => ""
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)
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);
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protected $data = array();
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/**
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* Merges the given properties into the supported properties array.
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*
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* @param array $props are the supported properties which will be added to the
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* object.
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*/
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protected function add_supported_properties($props)
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{
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$this->supported_properties = array_merge($this->supported_properties, $props);
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}
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/**
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* Reads the object data from the
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*/
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public function load_assoc(array $assoc)
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{
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/**
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* Calls the magic setter for each data element
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*/
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foreach ($assoc as $key => $data)
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{
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$this->$key = $data;
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}
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}
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/**
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* Returns an associative array with the object data
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*/
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public function store_assoc($include_defaults = false)
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{
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$result = array();
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foreach ($this->supported_properties as $key => $opt)
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{
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if (!array_key_exists("store", $opt) || $opt[$store])
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{
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$val = $this->$key;
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if ($val != $opt["default"] || $include_defaults )
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{
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$result[$key] = $val;
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}
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}
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}
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return $result;
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}
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/**
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* Magic setter function - checks whether the specified key is supported by the
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* the object and the given value is of the supported type.
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*/
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public function __set($key,$val)
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{
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if (array_key_exists($key, $this->supported_properties))
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{
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$sup_entry = $this->supported_properties[$key];
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// Test for the type (PHP-Docu says not to use gettype here)
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$correct_type = true;
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if (array_key_exists("types", $sup_entry))
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{
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$types = explode(",", $sup_entry["types"]);
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foreach ($types as $type)
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{
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switch ($type)
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{
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case "bool":
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$correct_type = $correct_type || is_bool($val);
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break;
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case "string":
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$correct_type = $correct_type || is_string($val);
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break;
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case "int":
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$correct_type = $correct_type || is_int($val);
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break;
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case "float":
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$correct_type = $correct_type || is_float($val);
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break;
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}
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}
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}
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// Set the value in the data array or call a setter function an inherited
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// class might have specified
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if ($correct_type)
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{
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if (method_exists($this, "set_".$key))
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{
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call_user_func(array($this, "set_".$key), $val);
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}
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else
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{
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$this->data[$key] = $val;
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}
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}
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}
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}
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/**
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* Magic getter function - returns the default value if the data key has not
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* been set yet, returns null if the property does not exists.
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*/
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public function __get($key) {
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if (array_key_exists($key, $this->supported_properties))
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{
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// Check whether the inherited class has a special getter implemented
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if (method_exists($this, "get_".$key))
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{
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return call_user_func(array($this, "get_".$key), $val);
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}
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else
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{
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if (array_key_exists($key, $this->data))
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{
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return $this->data[$key];
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}
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else
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{
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return $this->supported_properties[$key]["default"];
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}
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}
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}
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return null;
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}
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}
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/**
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* Define some constants as they occur in egw_grid_columns.js
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*/
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define("EGW_COL_TYPE_DEFAULT", 0);
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define("EGW_COL_TYPE_NAME_ICON_FIXED", 1);
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define("EGW_COL_VISIBILITY_ALWAYS", 0);
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define("EGW_COL_VISIBILITY_VISIBLE", 1);
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define("EGW_COL_VISIBILITY_INVISIBLE", 2);
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define("EGW_COL_SORTABLE_NONE", 0);
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define("EGW_COL_SORTABLE_ALPHABETIC", 1);
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define("EGW_COL_SORTABLE_NUMERICAL", 2);
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define("EGW_COL_SORTABLE_NATURAL", 3);
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define("EGW_COL_SORTMODE_NONE", 0);
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define("EGW_COL_SORTMODE_ASC", 1);
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define("EGW_COL_SORTMODE_DESC", 2);
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define("EGW_COL_DEFAULT_FETCH", -10000);
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/**
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* Object which represents a single column
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*/
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class egw_grid_column extends egw_json_object
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{
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public function __construct($id = "")
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{
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// Add the supported properties
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$this->add_supported_properties(array(
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"width" => array("types" => "bool,int,string", "default" => false),
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"maxWidth" => array("types" => "int,bool", "default" => false),
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"caption" => array("types" => "string", "default" => ""),
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"visibility" => array("types" => "int", "default" => EGW_COL_VISIBILITY_VISIBLE),
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"visible" => array("types" => "bool", "default" => true, "store" => false),
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"sortable" => array("types" => "int", "default" => EGW_COL_SORTABLE_NONE),
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"sortmode" => array("types" => "int", "default" => EGW_COL_SORTMODE_NONE),
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"default" => array("types" => "string,int", "default" => EGW_COL_DEFAULT_FETCH),
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"type" => array("types" => "int", "default" => EGW_COL_TYPE_DEFAULT),
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));
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// Set the column id
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$this->id = $id;
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}
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public function get_visible()
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{
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return $this->visibility != EGW_COL_VISIBILITY_INVISIBLE;
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}
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public function set_visible($val)
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{
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if ($this->visibility != EGW_COL_VISIBILITY_ALWAYS)
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{
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$this->visibility = $val ? EGW_COL_VISIBILITY_VISIBLE : EGW_COL_VISIBILITY_INVISIBLE;
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}
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}
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}
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class egw_grid_columns
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{
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private $app_name;
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private $grid_name;
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private $grid_data = array();
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public function __construct($app_name, $grid_name = "main")
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{
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$this->app_name = $app_name;
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$this->grid_name = $grid_name;
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}
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public function load_grid_data($data)
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{
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foreach ($data as $col)
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{
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$colobj = new egw_grid_column();
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$colobj->load_assoc($col);
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$this->grid_data[] = $colobj;
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}
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}
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private function get_col($id)
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{
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foreach ($this->grid_data as $col)
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{
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if ($col->id == $id)
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{
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return $col;
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}
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}
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return null;
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}
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/**
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* Loads the given column data in the user preferences for this grid
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*/
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private function get_userdata()
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{
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if ($GLOBALS['egw_info']['user']['preferences'][$this->app_name][$this->grid_name.'_column_data'])
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{
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return unserialize($GLOBALS['egw_info']['user']['preferences'][$this->app_name][$this->grid_name.'_column_data']);
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}
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return array();
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}
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/**
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* Stores the given column data in the user preferences for this grid
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*/
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private function set_userdata($data)
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{
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$GLOBALS['egw']->preferences->read_repository();
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$GLOBALS['egw']->preferences->change($this->app_name, $this->grid_name.'_column_data',
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serialize($data));
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$GLOBALS['egw']->preferences->save_repository(true);
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}
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public function load_userdata()
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{
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// Read the userdata from the user preferences
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$data = $this->get_userdata();
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error_log(__METHOD__.print_r($data, true));
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// Merge the userdata into the column data
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foreach ($data as $col_id => $col_data)
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{
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$col = $this->get_col($col_id);
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if ($col && is_array($col_data))
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{
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$col->load_assoc($col_data);
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}
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}
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}
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public function store_userdata($data)
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{
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$store_data = array();
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// Check whether the specified columns exists
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foreach ($data as $col_id => $col_data)
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{
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$col = $this->get_col($col_id);
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if ($col)
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{
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$store_data[$col_id] = $col_data;
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}
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}
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// Store the verified data columns
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$this->set_userdata($store_data);
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}
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/**
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* Returns the associative array containing the column data which can be
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* JSON-encoded and sent to the client
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*/
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public function get_assoc()
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{
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$result = array();
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foreach ($this->grid_data as $col)
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{
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$result[] = $col->store_assoc();
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}
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return $result;
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}
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}
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@ -18,11 +18,14 @@ uses
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egw_action_columns
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*/
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function egwGrid(_parentNode, _columns, _objectManager, _fetchCallback, _context)
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function egwGrid(_parentNode, _columns, _objectManager, _fetchCallback, _columnChangeCallback, _context)
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{
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this.parentNode = _parentNode;
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this.objectManager = _objectManager;
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this.columnChangeCallback = _columnChangeCallback;
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this.context = _context;
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this.width = 0;
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this.height = 0;
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@ -134,6 +137,22 @@ egwGrid.prototype.selectcolsClick = function(_at)
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var self = this;
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menu.setGlobalOnClick(function(_elem) {
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column_data[_elem.id].visible = _elem.checked;
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if (self.columnChangeCallback)
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{
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// Create the user data column visibility set
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var set = {};
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for (k in column_data)
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{
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set[k] = {
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"visible": column_data[k].visible
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};
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}
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// Call the column change callback with the user data
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self.columnChangeCallback.call(self.context, set);
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}
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self.columns.setColumnVisibilitySet(column_data);
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});
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