egroupware/phpgwapi/inc/class.categories.inc.php

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<?php
/**************************************************************************\
* phpGroupWare API - Categories *
* This file written by Joseph Engo <jengo@phpgroupware.org> *
* and Bettina Gille [ceb@phpgroupware.org] *
* Category manager *
* Copyright (C) 2000,2001,2002 Joseph Engo *
* -------------------------------------------------------------------------*
* This library is part of the phpGroupWare API *
* http://www.phpgroupware.org/api *
* ------------------------------------------------------------------------ *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/* $Id$ */
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/* $Source$ */
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/*!
@class categories
@abstract class adds ability for applications to make use of categories
@discussion examples can be found in notes app
*/
class categories
{
var $account_id;
var $app_name;
var $cats;
var $db;
var $total_records;
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var $grants;
/*!
@function categories
@abstract constructor for categories class
@param $accountid account id
@param $app_name app name defaults to current app
*/
function categories($accountid = '',$app_name = '')
{
$account_id = get_account_id($accountid);
if (! $app_name)
{
$app_name = $GLOBALS['phpgw_info']['flags']['currentapp'];
}
$this->account_id = $account_id;
$this->app_name = $app_name;
$this->db = $GLOBALS['phpgw']->db;
$this->grants = $GLOBALS['phpgw']->acl->get_grants($app_name);
$this->cats = $this->return_array($type,$start,$limit,$query,$sort,$order,$public);
}
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/*!
@function filter
@abstract ?
@param $type string
@result string either subs or mains
*/
function filter($type)
{
switch ($type)
{
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case 'subs': $s = " AND cat_parent != '0'"; break;
case 'mains': $s = " AND cat_parent = '0'"; break;
case 'appandmains': $s = " AND cat_appname='" . $this->app_name . "' AND cat_parent ='0'"; break;
case 'appandsubs': $s = " AND cat_appname='" . $this->app_name . "' AND cat_parent !='0'"; break;
default: return False;
}
return $s;
}
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/*!
@function total
@abstract returns the total number of categories for app, subs or mains
@param $for one of either 'app' 'subs' or 'mains'
@result integer count of categories
*/
function total($for = 'app')
{
switch($for)
{
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case 'app': $w = " WHERE cat_appname='" . $this->app_name . "'"; break;
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case 'appandmains': $w = " WHERE cat_appname='" . $this->app_name . "' AND cat_parent ='0'"; break;
case 'appandsubs': $w = " WHERE cat_appname='" . $this->app_name . "' AND cat_parent !='0'"; break;
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case 'subs': $w = " WHERE cat_parent != '0'"; break;
case 'mains': $w = " WHERE cat_parent = '0'"; break;
default: return False;
}
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$this->db->query("SELECT COUNT(cat_id) FROM phpgw_categories $w",__LINE__,__FILE__);
$this->db->next_record();
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return $this->db->f(0);
}
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/*!
@function return_array
@abstract return an array populated with categories
@param $type string defaults to 'all'
@param $start ?
@param $limit ?
@param $query string defaults to ''
@param $sort string sort order, either defaults to 'ASC'
@param $order order by
@result $cats array
*/
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function return_array($type,$start,$limit = True,$query = '',$sort = '',$order = '',$public = False, $parent_id = '')
{
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if ($public)
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{
$public_cats = " OR cat_appname='phpgw'";
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}
$filter = $this->filter($type);
if (!$sort)
{
$sort = 'ASC';
}
if ($order)
{
$ordermethod = " ORDER BY $order $sort";
}
else
{
$ordermethod = ' ORDER BY cat_main, cat_level, cat_name ASC';
}
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if ($this->account_id == '-1')
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{
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$grant_cats = " cat_owner='-1' ";
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}
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else
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{
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if (is_array($this->grants))
{
$grants = $this->grants;
while(list($user) = each($grants))
{
$public_user_list[] = $user;
}
reset($public_user_list);
$grant_cats = " (cat_owner='" . $this->account_id . "' OR cat_owner='-1' OR cat_access='public' AND cat_owner in(" . implode(',',$public_user_list) . ")) ";
}
else
{
$grant_cats = " cat_owner='" . $this->account_id . "' OR cat_owner='-1' ";
}
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}
if ($parent_id)
{
$parent_filter = " AND cat_parent='$parent_id'";
}
if ($query)
{
$querymethod = " AND (cat_name LIKE '%$query%' OR cat_description LIKE '%$query%') ";
}
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$sql = "SELECT * from phpgw_categories WHERE (cat_appname='" . $this->app_name . "' AND" . $grant_cats . $public_cats . ")"
. $parent_filter . $querymethod . $filter;
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if ($limit)
{
$this->db->limit_query($sql . $ordermethod,$start,__LINE__,__FILE__);
}
else
{
$this->db->query($sql . $ordermethod,__LINE__,__FILE__);
}
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$this->total_records = $this->db->num_rows();
$i = 0;
while ($this->db->next_record())
{
$cats[$i]['id'] = $this->db->f('cat_id');
$cats[$i]['owner'] = $this->db->f('cat_owner');
$cats[$i]['access'] = $this->db->f('cat_access');
$cats[$i]['app_name'] = $this->db->f('cat_appname');
$cats[$i]['main'] = $this->db->f('cat_main');
$cats[$i]['level'] = $this->db->f('cat_level');
$cats[$i]['parent'] = $this->db->f('cat_parent');
$cats[$i]['name'] = $this->db->f('cat_name');
$cats[$i]['description'] = $this->db->f('cat_description');
$cats[$i]['data'] = $this->db->f('cat_data');
$i++;
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}
return $cats;
}
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function return_sorted_array($start,$limit = True,$query = '',$sort = '',$order = '',$public = False)
{
if ($public)
{
$public_cats = " OR cat_appname='phpgw'";
}
if (!$sort)
{
$sort = 'ASC';
}
if ($order)
{
$ordermethod = " ORDER BY $order $sort";
}
else
{
$ordermethod = ' ORDER BY cat_name ASC';
}
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if ($this->account_id == '-1')
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{
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$grant_cats = " cat_owner='-1' ";
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}
else
{
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if (is_array($this->grants))
{
$grants = $this->grants;
while(list($user) = each($grants))
{
$public_user_list[] = $user;
}
reset($public_user_list);
$grant_cats = " (cat_owner='" . $this->account_id . "' OR cat_owner='-1' OR cat_access='public' AND cat_owner in(" . implode(',',$public_user_list) . ")) ";
}
else
{
$grant_cats = " cat_owner='" . $this->account_id . "' or cat_owner='-1' ";
}
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}
if ($query)
{
$querymethod = " AND (cat_name LIKE '%$query%' OR cat_description LIKE '%$query%') ";
}
$sql = "SELECT * from phpgw_categories WHERE (cat_appname='" . $this->app_name . "' AND" . $grant_cats . $public_cats . ")"
. $querymethod;
$mainselect = ' AND cat_level=0';
if ($limit)
{
$this->db->limit_query($sql . $mainselect . $ordermethod,$start,__LINE__,__FILE__);
}
else
{
$this->db->query($sql . $mainselect . $ordermethod,__LINE__,__FILE__);
}
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$i = 0;
while ($this->db->next_record())
{
$cats[$i]['id'] = $this->db->f('cat_id');
$cats[$i]['owner'] = $this->db->f('cat_owner');
$cats[$i]['access'] = $this->db->f('cat_access');
$cats[$i]['app_name'] = $this->db->f('cat_appname');
$cats[$i]['main'] = $this->db->f('cat_main');
$cats[$i]['level'] = $this->db->f('cat_level');
$cats[$i]['parent'] = $this->db->f('cat_parent');
$cats[$i]['name'] = $this->db->f('cat_name');
$cats[$i]['description'] = $this->db->f('cat_description');
$cats[$i]['data'] = $this->db->f('cat_data');
$i++;
}
$num_cats = count($cats);
for ($i=0;$i < $num_cats;$i++)
{
$subselect = " AND cat_parent='" . $cats[$i]['id'] . "' AND cat_level='" . ($cats[$i]['level']+1) . "'";
if ($limit)
{
$this->db->limit_query($sql . $subselect . $ordermethod,$start,__LINE__,__FILE__);
}
else
{
$this->db->query($sql . $subselect . $ordermethod,__LINE__,__FILE__);
}
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$subcats = array();
$j = 0;
while ($this->db->next_record())
{
$subcats[$j]['id'] = $this->db->f('cat_id');
$subcats[$j]['owner'] = $this->db->f('cat_owner');
$subcats[$j]['access'] = $this->db->f('cat_access');
$subcats[$j]['app_name'] = $this->db->f('cat_appname');
$subcats[$j]['main'] = $this->db->f('cat_main');
$subcats[$j]['level'] = $this->db->f('cat_level');
$subcats[$j]['parent'] = $this->db->f('cat_parent');
$subcats[$j]['name'] = $this->db->f('cat_name');
$subcats[$j]['description'] = $this->db->f('cat_description');
$subcats[$j]['data'] = $this->db->f('cat_data');
$j++;
}
$num_subcats = count($subcats);
if ($num_subcats != 0)
{
$newcats = array();
for ($k = 0; $k <= $i; $k++)
{
$newcats[$k] = $cats[$k];
}
for ($k = 0; $k < $num_subcats; $k++)
{
$newcats[$k+$i+1] = $subcats[$k];
}
for ($k = $i+1; $k < $num_cats; $k++)
{
$newcats[$k+$num_subcats] = $cats[$k];
}
$cats = $newcats;
$num_cats = count($cats);
}
}
$this->total_records = count($cats);
return $cats;
}
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/*!
@function return_single
@abstract return single
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@param $id integer id of category
@result $cats array populated with
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*/
function return_single($id = '')
{
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$this->db->query('SELECT * FROM phpgw_categories WHERE cat_id=' . $id,__LINE__,__FILE__);
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if ($this->db->next_record())
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{
$cats[0]['id'] = $this->db->f('cat_id');
$cats[0]['owner'] = $this->db->f('cat_owner');
$cats[0]['access'] = $this->db->f('cat_access');
$cats[0]['app_name'] = $this->db->f('cat_appname');
$cats[0]['main'] = $this->db->f('cat_main');
$cats[0]['level'] = $this->db->f('cat_level');
$cats[0]['parent'] = $this->db->f('cat_parent');
$cats[0]['name'] = $this->db->f('cat_name');
$cats[0]['description'] = $this->db->f('cat_description');
$cats[0]['data'] = $this->db->f('cat_data');
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}
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return $cats;
}
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/*!
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@function formated_list
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@abstract return into a select box, list or other formats
@param $format currently only supports select (select box)
@param $type string - subs or mains
@param $selected - cat_id or array with cat_id values
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@result $s array - populated with categories
*/
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function formatted_list($format,$type = 'all',$selected = '',$public = False,$site_link = 'site')
{
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return $this->formated_list($format,$type,$selected,$public,$site_link);
}
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function formated_list($format,$type = 'all',$selected = '',$public = False,$site_link = 'site')
{
if(is_array($format))
{
$temp_format = $format['format'];
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$type = (isset($format['type'])?$format['type']:'all');
$selected = (isset($format['selected'])?$format['selected']:'');
$public = (isset($format['public'])?$format['public']:False);
$site_link = (isset($format['site_link'])?$format['site_link']:'site');
settype($format,'string');
$format = $temp_format;
unset($temp_format);
}
if (!is_array($selected))
{
$selected = explode(',',$selected);
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}
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if ($type != 'all')
{
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$cats = $this->return_array($type,$start,False,$query,$sort,$order,$public);
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}
else
{
$cats = $this->return_sorted_array($start,False,$query,$sort,$order,$public);
}
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if ($format == 'select')
{
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for ($i=0;$i<count($cats);$i++)
{
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$s .= '<option value="' . $cats[$i]['id'] . '"';
if (in_array($cats[$i]['id'],$selected))
{
$s .= ' selected';
}
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$s .= '>';
for ($j=0;$j<$cats[$i]['level'];$j++)
{
$s .= '&nbsp;';
}
$s .= $GLOBALS['phpgw']->strip_html($cats[$i]['name']);
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if ($cats[$i]['app_name'] == 'phpgw')
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{
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$s .= '&lt;' . lang('Global') . '&gt;';
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}
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if ($cats[$i]['owner'] == '-1')
{
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$s .= '&lt;' . lang('Global') . '&nbsp;' . lang($this->app_name) . '&gt;';
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}
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$s .= '</option>' . "\n";
}
return $s;
}
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if ($format == 'list')
{
$space = '&nbsp;&nbsp;';
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$s = '<table border="0" cellpadding="2" cellspacing="2">' . "\n";
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if ($this->total_records > 0)
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{
for ($i=0;$i<count($cats);$i++)
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{
$image_set = '&nbsp;';
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if (in_array($cats[$i]['id'],$selected))
{
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$image_set = '<img src="' . $GLOBALS['phpgw']->common->image('phpgwapi','roter_pfeil') . '">';
}
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if (($cats[$i]['level'] == 0) && !in_array($cats[$i]['id'],$selected))
{
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$image_set = '<img src="' . $GLOBALS['phpgw']->common->image('phpgwapi','grauer_pfeil') . '">';
}
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$space_set = str_repeat($space,$cats[$i]['level']);
$s .= '<tr>' . "\n";
$s .= '<td width="8">' . $image_set . '</td>' . "\n";
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$s .= '<td>' . $space_set . '<a href="' . $GLOBALS['phpgw']->link($site_link,'cat_id=' . $cats[$i]['id']) . '">'
. $GLOBALS['phpgw']->strip_html($cats[$i]['name'])
. '</a></td>' . "\n"
. '</tr>' . "\n";
}
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}
$s .= '</table>' . "\n";
return $s;
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}
}
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/*!
@function add
@abstract add categories
@param $cat_name category name
@param $cat_parent category parent
@param $cat_description category description defaults to ''
@param $cat_data category data defaults to ''
*/
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function add($cat_values)
{
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if ($cat_values['parent'] && $cat_values['parent'] != 0)
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{
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$cat_values['main'] = $this->id2name($cat_values['parent'],'main');
$cat_values['level'] = $this->id2name($cat_values['parent'],'level')+1;
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}
$cat_values['descr'] = $this->db->db_addslashes($cat_values['descr']);
$cat_values['name'] = $this->db->db_addslashes($cat_values['name']);
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$this->db->query("INSERT INTO phpgw_categories (cat_parent,cat_owner,cat_access,cat_appname,cat_name,cat_description,cat_data,"
. "cat_main,cat_level) VALUES ('" . $cat_values['parent'] . "','" . $this->account_id . "','" . $cat_values['access']
. "','" . $this->app_name . "','" . $cat_values['name'] . "','" . $cat_values['descr'] . "','" . $cat_values['data']
. "','" . $cat_values['main'] . "','" . $cat_values['level'] . "')",__LINE__,__FILE__);
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if (!$cat_values['parent'] || $cat_values['parent'] == 0)
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{
$this->db->query("SELECT MAX(cat_id) AS max FROM phpgw_categories",__LINE__,__FILE__);
$this->db->next_record();
$max = $this->db->f('max');
$this->db->query("UPDATE phpgw_categories SET cat_main='" . $max . "' WHERE cat_id='"
. $max . "'",__LINE__,__FILE__);
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}
}
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/*!
@function delete
@abstract delete category
@param $cat_id int - category id
*/
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function delete($cat_id,$subs = False)
{
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if ($subs)
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{
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$subdelete = " OR cat_parent='$cat_id' OR cat_main='$cat_id' ";
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}
$this->db->query("DELETE FROM phpgw_categories WHERE cat_id='$cat_id' $subdelete AND cat_appname='"
. $this->app_name . "'",__LINE__,__FILE__);
}
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/*!
@function edit
@abstract edit a category
@param $cat_id int - category id
@param $cat_parent category parent
@param $cat_description category description defaults to ''
@param $cat_data category data defaults to ''
*/
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function edit($cat_values)
{
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if ($cat_values['parent'] && ($cat_values['parent'] != 0))
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{
$cat_values['main'] = $this->id2name($cat_values['parent'],'main');
$cat_values['level'] = $this->id2name($cat_values['parent'],'level')+1;
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}
else
{
$cat_values['main'] = $cat_values['id'];
$cat_values['level'] = 0;
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}
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$cat_values['descr'] = $this->db->db_addslashes($cat_values['descr']);
$cat_values['name'] = $this->db->db_addslashes($cat_values['name']);
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$sql = "UPDATE phpgw_categories SET cat_name='" . $cat_values['name'] . "', cat_description='" . $cat_values['descr']
. "', cat_data='" . $cat_values['data'] . "', cat_parent='" . $cat_values['parent'] . "', cat_access='"
. $cat_values['access'] . "', cat_main='" . $cat_values['main'] . "', cat_level='" . $cat_values['level'] . "' "
. "WHERE cat_appname='" . $this->app_name . "' AND cat_id='" . $cat_values['id'] . "'";
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$this->db->query($sql,__LINE__,__FILE__);
}
function name2id($cat_name)
{
$this->db->query("SELECT cat_id FROM phpgw_categories WHERE cat_name='" . $this->db->db_addslashes($cat_name) . "' "
."AND cat_appname='" . $this->app_name . "' "
."AND cat_owner=" . $this->account_id,__LINE__,__FILE__);
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if(!$this->db->num_rows())
{
return 0;
}
$this->db->next_record();
return $this->db->f('cat_id');
}
function id2name($cat_id = '', $item = 'name')
{
if ($cat_id == '')
{
return '--';
}
switch($item)
{
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case 'name': $value = 'cat_name'; break;
case 'owner': $value = 'cat_owner'; break;
case 'main': $value = 'cat_main'; break;
case 'level': $value = 'cat_level'; break;
case 'data': $value = 'cat_data'; break;
}
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$this->db->query("SELECT $value FROM phpgw_categories WHERE cat_id='" . $cat_id . "'",__LINE__,__FILE__);
$this->db->next_record();
if ($this->db->f($value))
{
return $this->db->f($value);
}
else
{
if ($item == 'name')
{
return '--';
}
}
}
/*!
@function return_name
@abstract return category name given $cat_id
@param $cat_id
@result cat_name category name
*/
// NOTE: This is only a temp wrapper, use id2name() to keep things matching across the board. (jengo)
function return_name($cat_id)
{
return $this->id2name($cat_id);
}
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/*!
@function exists
@abstract used for checking if a category name exists
@param $type subs or mains
@param $cat_name category name
@result boolean true or false
*/
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function exists($type,$cat_name = '',$cat_id = '')
{
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$filter = $this->filter($type);
if ($cat_name)
{
$cat_exists = " cat_name='" . $this->db->db_addslashes($cat_name) . "' ";
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}
if ($cat_id)
{
$cat_exists = " cat_parent='$cat_id' ";
}
if ($cat_name && $cat_id)
{
$cat_exists = " cat_name='" . $this->db->db_addslashes($cat_name) . "' AND cat_id != '$cat_id' ";
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}
$this->db->query("SELECT COUNT(cat_id) FROM phpgw_categories WHERE $cat_exists $filter",__LINE__,__FILE__);
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$this->db->next_record();
if ($this->db->f(0))
{
return True;
}
else
{
return False;
}
}
}
?>