egroupware_official/etemplate/inc/class.link_widget.inc.php
2002-10-09 11:50:46 +00:00

162 lines
4.8 KiB
PHP

<?php
/**************************************************************************\
* phpGroupWare - eTemplate Extension - InfoLog LinkTo 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 link_widget
@author ralfbecker
@abstract link-to: widget that enable you to make a link to an other entry of a link-aware app
@abstract link-list: widget that shows the links to an entry and a Unlink Button for each entry
@discussion This widget is independent of the UI as it only uses etemplate-widgets and has therefor no
@discussion render-function.
*/
class link_widget
{
var $public_functions = array(
'pre_process' => True,
'post_process' => True
);
var $human_name = array( // this are the names for the editor
'link-to' => 'LinkTo',
'link-list' => 'LinkList'
);
function link_widget($ui)
{
$this->link = CreateObject('infolog.bolink');
}
function pre_process($name,&$value,&$cell,&$readonlys,&$extension_data,&$tmpl)
{
if (!is_array($value))
{
$value = array(
'to_id' => $value,
'to_app' => $GLOBALS['phpgw_info']['flags']['currentapp']
);
}
//echo "<p>start: $cell[type]::pre_process: value ="; _debug_array($value);
switch ($type = $cell['type'])
{
case 'link-to':
if ($value['button'] == 'search' && count($ids = $this->link->query($value['app'],$value['query'])))
{
$extension_data['app'] = $value['app'];
$value = $extension_data;
$value['options-id'] = $ids;
$value['remark'] = '';
$tpl = new etemplate('etemplate.link_widget.create');
}
else
{
if (!$value['button'])
{
$extension_data = $value;
}
$value = array_merge($extension_data,$value);
$value['options-app'] = $this->link->app_list();
$tpl = new etemplate('etemplate.link_widget.search');
$tpl->set_cell_attribute('msg','disabled',$value['button'] != 'search');
}
break;
case 'link-list':
$app = $value['to_app'];
$id = $value['to_id'];
//echo "<p>link-list-widget.preprocess: value="; _debug_array($value);
if (!isset($value['title']))
{
$value['title'] = $this->link->title($app,$id);
}
$extension_data = $value;
$links = $this->link->get_links($app,$id);
if (!count($links))
{
$cell = $tmpl->empty_cell();
$value = '';
return True;
}
$tpl = new etemplate('etemplate.link_widget.list');
$tpl->data[0]['A'] = $tmpl->data[0]['A']; // set width of first col like the tmpl. calling us
for($row=$tpl->rows-1; list(,$link) = each($links); ++$row)
{
$value[$row] = $link;
$value[$row]['title'] = $this->link->title($link['app'],$link['id']);
}
break;
}
$cell['size'] = $cell['name'];
$cell['type'] = 'template';
$cell['name'] = $tpl->name;
$cell['obj'] = &$tpl;
//echo "<p>end: $type::pre_process: value ="; _debug_array($value);
return True; // extra Label is ok
}
function post_process($name,&$value,&$extension_data,&$loop,&$tmpl,$value_in)
{
if ($value['search'])
{
$button = 'search';
}
elseif ($value['create'])
{
$button = 'create';
}
elseif ($value['new'])
{
$button = 'new';
}
elseif (is_array($value['unlink']))
{
$button = 'unlink';
list($unlink) = @each($value['unlink']);
}
//echo "<p>start: link_widget::post_process: button='$button', unlink='$unlink', value ="; _debug_array($value);
unset($value[$button]);
$value = array_merge($extension_data,$value);
switch ($button)
{
case 'create':
if ($value['to_app']) // make the link
{
$this->link->link($value['to_app'],$value['to_id'],$value['app'],$value['id'],$value['remark']);
//echo "<p>link($value[to_app],$value[to_id],$value[app],$value[id],'$value[remark]')</p>\n";
}
// fall-trough
case 'search':
case 'new':
$extension_data = $value;
$loop = True;
break;
case 'unlink':
$this->link->unlink($unlink,$value['to_app'],&$value['to_id']);
//echo "<p>unlink(link-id=$unlink,$value[to_app],$value[to_id])</p>\n";
$loop = True;
break;
}
$value['button'] = $button;
//echo "<p>end: link_widget::post_process: value ="; _debug_array($value);
return True;
}
}