egroupware/etemplate/inc/class.nextmatch_widget.inc.php

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<?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 $human_name = 'Nextmatch'; // this is the name for the editor
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function nextmatch_widget($ui)
{
}
function pre_process($name,&$value,&$cell,&$readonlys,&$extension_data,&$tmpl)
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{
//echo "<p>nextmatch_widget.pre_process: value = "; _debug_array($value);
list($app,$class,$method) = explode('.',$value['get_rows']);
$obj = CreateObject($app.'.'.$class);
if (!is_object($obj))
{
echo "<p>nextmatch_widget::pre_process($name): '$value[get_rows]' is no valid method !!!</p>\n";
//return;
}
else
{
$total = $value['total'] = $obj->$method($value,$value['rows'],$readonlys['rows']);
}
if ($value['start'] > $total)
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{
$value['start'] = 0;
$total = $obj->$method($value,$value['rows'],$readonlys['rows']);
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}
list($template,$options) = explode(',',$cell['size']);
if ($template) // template name can be supplied either in $value['template'] or the options-field
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{
$value['template'] = $template;
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}
if (!is_object($value['template']))
{
$value['template'] = new etemplate($value['template'],$tmpl->as_array());
}
if ($total < 1)
{
$value['template']->data[0]['h2'] = ',1'; // disable the data row
}
$max = $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs'];
if ($total <= $max && $options && $value['search'] == '' &&
($value['no_cat'] || !$value['cat_id']) &&
($value['no_filter'] || !$value['filter'] || $value['filter'] == 'none') &&
($value['no_filter2'] || !$value['filter2'] || $value['filter2'] == 'none'))
{ // disable whole nextmatch line if no scrolling necessary
$cell['size'] = $cell['name'].'[rows]';
$cell['obj'] = &$value['template'];
$cell['name'] = $value['template']->name;
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}
else
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{
$nextmatch = new etemplate('etemplate.nextmatch_widget');
if ($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'];
$end = $start+$max > $total ? $total : $start+$max;
$value['range'] = $total ? (1+$start) . ' - ' . $end : '0';
$nextmatch->set_cell_attribute('first','readonly',$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 >= $total);
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$cell['size'] = $cell['name'];
$cell['obj'] = &$nextmatch;
$cell['name'] = $nextmatch->name;
}
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$cell['type'] = 'template';
$cell['label'] = $cell['help'] = '';
// save values in persistent extension_data to be able use it in post_process
$extension_data = $value;
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return False; // NO extra Label
}
function post_process($name,&$value,&$extension_data,&$loop,&$tmpl)
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{
//echo "<p>nextmatch_widget.post_process: value = "; _debug_array($value);
$old_value = $extension_data;
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$max = $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs'];
$loop = False;
if (is_array($value) && ($value['start_search'] || $value['cat_id'] != $old_value['cat_id'] ||
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$old_value['filter'] != '' && $value['filter'] != $old_value['filter'] ||
$old_value['filter2'] != '' && $value['filter2'] != $old_value['filter2']))
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{
//echo "<p>search='$old_value[search]'->'$value[search]', filter='$old_value[filter]'->'$value[filter]', filter2='$old_value[filter2]'->'$value[filter2]'<br>";
//echo "new filter --> loop</p>";
//echo "value ="; _debug_array($value);
//echo "old_value ="; _debug_array($old_value);
$loop = True;
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}
elseif ($value['first'])
{
$value['start'] = 0;
$loop = True;
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}
elseif ($value['left'])
{
$value['start'] = $old_value['start'] - $max;
$loop = True;
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}
elseif ($value['right'])
{
$value['start'] = $old_value['start'] + $max;
$loop = True;
}
elseif ($value['last'])
{
$value['start'] = (int) (($old_value['total']-2) / $max) * $max;
$loop = True;
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}
$value['start'] = $old_value['start']; // need to be set, to be reported back
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return True;
}
}