egroupware_official/etemplate/inc/class.nextmatch_widget.inc.php
2003-12-09 00:22:27 +00:00

276 lines
9.1 KiB
PHP

<?php
/**************************************************************************\
* eGroupWare - eTemplate Extension - Nextmatch Widget *
* http://www.eGroupWare.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 $human_name = array(
'nextmatch' => 'Nextmatch',
'nextmatch-sortheader' => 'Nextmatch Sortheader',
'nextmatch-filterheader' => 'Nextmatch Filterheader'
);
function nextmatch_widget($ui)
{
}
function last_part($name)
{
$parts = explode('[',str_replace(']','',$name));
return $parts[count($parts)-1];
}
function pre_process($name,&$value,&$cell,&$readonlys,&$extension_data,&$tmpl)
{
$nm_global = &$GLOBALS['phpgw_info']['etemplate']['nextmatch'];
//echo "<p>nextmatch_widget.pre_process(name='$name'): value = "; _debug_array($value);
//echo "<p>nextmatch_widget.pre_process(name='$name'): nm_global = "; _debug_array($nm_global);
$extension_data = array(
'type' => $cell['type']
);
switch ($cell['type'])
{
case 'nextmatch-sortheader':
$cell['type'] = 'button';
$cell['onchange'] = True;
if (!$cell['help'])
{
$cell['help'] = 'click to order after that criteria';
}
if ($this->last_part($name) == $nm_global['order']) // we're the active column
{
$cell[1] = $cell;
$cell[1]['span'] = ',activ_sortcolumn';
$cell[2] = $tmpl->empty_cell('image',$nm_global['sort']!='DESC'?'down':'up');
$cell['type'] = 'hbox';
$cell['size'] = '2,0,0';
$cell['name'] = $cell['label'] = '';
}
else
{
$cell['span'] = ',inactiv_sortcolumn';
}
return True;
case 'nextmatch-filterheader':
$cell['type'] = 'select';
if (!$cell['size'])
{
$cell['size'] = 'All';
}
if (!$cell['help'])
{
$cell['help'] = 'select which values to show';
}
$cell['onchange'] = True;
$extension_data['old_value'] = $value = $nm_global['col_filter'][$this->last_part($name)];
return True;
}
list($app,$class,$method) = explode('.',$value['get_rows']);
$obj = CreateObject($app.'.'.$class);
if (!is_object($obj) || !method_exists($obj,$method))
{
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)
{
$value['start'] = 0;
$total = $obj->$method($value,$value['rows'],$readonlys['rows']);
}
list($template,$options) = explode(',',$cell['size']);
if ($template) // template name can be supplied either in $value['template'] or the options-field
{
$value['template'] = $template;
}
if (!is_object($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'] || $value['filter2'] == 'none'))
{ // disable whole nextmatch line if no scrolling necessary
if ($value['header_left'] || $value['header_right'])
{
$nextmatch = new etemplate('etemplate.nextmatch_widget.header_only');
$cell['size'] = $cell['name'];
$cell['obj'] = &$nextmatch;
$cell['name'] = $nextmatch->name;
}
else
{
$cell['size'] = $cell['name'].'[rows]';
$cell['obj'] = &$value['template'];
$cell['name'] = $value['template']->name;
}
}
else
{
$nextmatch = new etemplate('etemplate.nextmatch_widget');
if ($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);
$cell['size'] = $cell['name'];
$cell['obj'] = &$nextmatch;
$cell['name'] = $nextmatch->name;
}
$cell['type'] = 'template';
$cell['label'] = $cell['help'] = '';
// save values in persistent extension_data to be able use it in post_process
$extension_data += $value;
foreach(array('sort','order','col_filter') as $n) // save them for the sortheader
{
$nm_global[$n] = $value[$n];
}
$value['bottom'] = $value; // copy the values for the bottom-bar
return False; // NO extra Label
}
function post_process($name,&$value,&$extension_data,&$loop,&$tmpl,$value_in)
{
$nm_global = &$GLOBALS['phpgw_info']['etemplate']['nextmatch'];
//echo "<p>nextmatch_widget.post_process(name='$name',value_in='$value_in',order='$nm_global[order]'): value = "; _debug_array($value);
switch($extension_data['type'])
{
case 'nextmatch-sortheader':
if ($value_in)
{
$nm_global['order'] = $this->last_part($name);
}
return False; // dont report value back, as it's in the wrong location (rows)
case 'nextmatch-filterheader':
if ($value_in != $extension_data['old_value'])
{
$nm_global['filter'][$this->last_part($name)] = $value_in;
}
return False; // dont report value back, as it's in the wrong location (rows)
}
$old_value = $extension_data;
$max = $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs'];
$loop = False;
$value['start'] = $old_value['start']; // need to be set, to be reported back
if (is_array($value['bottom'])) // we have a second bottom-bar
{
$inputs = array('search','cat_id','filter','filter2');
foreach($inputs as $name)
{
if (isset($value['bottom'][$name]) && $value['bottom'][$name] != $old_value[$name])
{
$value[$name] = $value['bottom'][$name];
}
}
$buttons = array('start_search','first','left','right','last');
foreach($buttons as $name)
{
if (isset($value['bottom'][$name]) && $value['bottom'][$name])
{
$value[$name] = $value['bottom'][$name];
}
}
unset($value['bottom']);
}
if ($value['start_search'] || $value['search'] != $old_value['search'] ||
isset($value['cat_id']) && $value['cat_id'] != $old_value['cat_id'] ||
$old_value['filter'] != '' && isset($value['filter']) && $value['filter'] != $old_value['filter'] ||
$old_value['filter2'] != '' && isset($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]'->'$value[filter2]'<br>";
//echo "new filter --> loop</p>";
//echo "value ="; _debug_array($value);
//echo "old_value ="; _debug_array($old_value);
$loop = True;
}
elseif ($value['first'])
{
$value['start'] = 0;
$loop = True;
}
elseif ($value['left'])
{
$value['start'] = $old_value['start'] - $max;
$loop = True;
}
elseif ($value['right'])
{
$value['start'] = $old_value['start'] + $max;
$loop = True;
}
elseif ($value['last'])
{
$value['start'] = (int) (($old_value['total']-2) / $max) * $max;
$loop = True;
}
elseif ($nm_global['order'])
{
$value['order'] = $nm_global['order'];
$value['sort'] = $old_value['order'] == $nm_global['order'] && $old_value['sort']!='DESC'?'DESC':'ASC';
$loop = True;
}
elseif ($nm_global['filter'])
{
if (!is_array($value['col_filter'])) $value['col_filter'] = array();
$value['col_filter'] += $nm_global['filter'];
$loop = True;
}
return True;
}
}