egroupware_official/etemplate/inc/class.nextmatch_widget.inc.php
Ralf Becker ede69c0a38 eTemplate extensions can now change the $readonlys-array.
nextmatch-widget uses this to allow get_rows to switch button on and off.
2002-09-24 17:28:45 +00:00

128 lines
4.6 KiB
PHP

<?php
/**************************************************************************\
* phpGroupWare - eTemplate Extension - Nextmatch Widget *
* http://www.phpgroupware.org *
* Written by Ralf Becker <RalfBecker@outdoor-training.de> *
* -------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
\**************************************************************************/
/* $Id$ */
/*!
@class nextmatch_widget
@author ralfbecker
@abstract Widget that show only a certain number of data-rows and allows to modifiy the rows shown (scroll).
@discussion This widget replaces the old nextmatch-class
@discussion This widget is independent of the UI as it only uses etemplate-widgets and has therefor no render-function
*/
class nextmatch_widget
{
var $public_functions = array(
'pre_process' => True,
'post_process' => True
);
var $human_name = 'Nextmatch Widget'; // this is the name for the editor
function nextmatch_widget($ui)
{
}
function pre_process(&$cell,&$value,&$templ,&$readonlys)
{
//echo "<p>nextmatch_widget.pre_process: value = "; _debug_array($value);
// save values in persistent extension_data to be able use it in post_process
$GLOBALS['phpgw_info']['etemplate']['extension_data']['nextmatch_widget'][$cell['name']] = $value;
list($app,$class,$method) = explode('.',$value['get_rows']);
$obj = CreateObject($app.'.'.$class);
$total = $value['total'] = $obj->$method($value,$value['rows'],$readonlys['rows']);
if ($value['start'] > $total)
{
$value['start'] = 0;
$total = $obj->$method($value,$value['rows'],$readonlys['rows']);
}
$GLOBALS['phpgw_info']['etemplate']['extension_data']['nextmatch_widget'][$cell['name']]['total'] = $total;
if ($cell['size'])
{
$value['template'] = $cell['size'];
}
$nextmatch = new etemplate('etemplate.nextmatch_widget');
if ($value['no_cat'])
{
$nextmatch->disable_cells('cat_id');
}
if ($value['no_filter'])
{
$nextmatch->disable_cells('filter');
}
if ($value['no_filter2'])
{
$nextmatch->disable_cells('filter2');
}
$start = $value['start'];
$max = $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs'];
$end = $start+$max > $total ? $total : $start+$max;
$value['range'] = (1+$start) . ' - ' . $end;
$nextmatch->set_cell_attribute('first','readonly',$start <= 0);
$nextmatch->set_cell_attribute('left', 'readonly',$start <= 0);
$nextmatch->set_cell_attribute('right','readonly',$start+$max >= $total);
$nextmatch->set_cell_attribute('last', 'readonly',$start+$max >= $total);
$cell['type'] = 'template';
$cell['size'] = $cell['name'];
$cell['name'] = $nextmatch;
$cell['label'] = $cell['help'] = '';
return False; // NO extra Label
}
function post_process(&$cell,&$value,&$templ)
{
//echo "<p>nextmatch_widget.post_process: value = "; _debug_array($value);
$old_value = $GLOBALS['phpgw_info']['etemplate']['extension_data']['nextmatch_widget'][$cell['name']];
list($value['cat_id']) = $value['cat_id'];
list($value['filter']) = $value['filter'];
list($value['filter2'])= $value['filter2'];
$value['start'] = $old_value['start']; // need to be set, to be reported back
$max = $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs'];
$templ->loop = False;
if ($value['start_search'] || $value['cat_id'] != $old_value['cat_id'] ||
$old_value['filter'] != '' && $value['filter'] != $old_value['filter'] ||
$old_value['filter2'] != '' && $value['filter2'] != $old_value['filter2'])
{
//echo "<p>search='$old_value[search]'->'$value[search]', filter='$old_value[filter]'->'$value[filter]', filter2='$old_value[filter2]'->'$value[filter2]'<br>";
//echo "new filter --> loop</p>";
//_debug_array($old_value);
$templ->loop = True;
}
elseif ($value['first'])
{
$value['start'] = 0;
$templ->loop = True;
}
elseif ($value['left'])
{
$value['start'] = $old_value['start'] - $max;
$templ->loop = True;
}
elseif ($value['right'])
{
$value['start'] = $old_value['start'] + $max;
$templ->loop = True;
}
elseif ($value['last'])
{
$value['start'] = (int) (($old_value['total']-2) / $max) * $max;
$templ->loop = True;
}
return True;
}
}