forked from extern/egroupware
338 lines
11 KiB
PHP
338 lines
11 KiB
PHP
<?php
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/**************************************************************************\
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* eGroupWare - eTemplate Extension - InfoLog LinkTo Widget *
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* http://www.egroupware.org *
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* Written by Ralf Becker <RalfBecker@outdoor-training.de> *
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* -------------------------------------------- *
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* This program is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU General Public License as published by the *
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* Free Software Foundation; either version 2 of the License, or (at your *
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* option) any later version. *
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\**************************************************************************/
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/* $Id$ */
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/**
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* eTemplate Extension: several widgets as user-interface for the link-class
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*
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* 1) link-to: Widget to create links to an other entries of link-aware apps
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* If an id was set, this widgets creats the links without further interaction with the calling code.
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* If the entry does not yet exist, the widget returns an array with the new links in the id. After the
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* entry was successful create, bolink::link($app,$new_id,$arr) has to be called to create the links!
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* 2) link-list: Widget to shows the links to an entry and a Unlink Button for each link
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* 3) link-string: comma-separated list of link-titles with a link to its view method, value is like get_links()
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*
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* $content[$name] = array(
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* 'to_app' => // I string appname of the entry to link to
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* 'to_id' => // IO int id of the entry to link to, for new entries 0, returns the array with new links
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* // the following params apply only for the link-to widget!
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* 'no_files' => // I boolean suppress attach-files, default no
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* 'search_label' => // I string label to use instead of search
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* 'link_label' => // I string label for the link button, default 'Link'
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*
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* );
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* This widget is independent of the UI as it only uses etemplate-widgets and has therefor no render-function.
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*
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* @package etemplate
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* @subpackage extensions
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* @author RalfBecker-AT-outdoor-training.de
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* @license GPL
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*/
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class link_widget
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{
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/**
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* exported methods of this class
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* @var array
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*/
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var $public_functions = array(
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'pre_process' => True,
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'post_process' => True
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);
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/**
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* availible extensions and there names for the editor
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* @var array
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*/
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var $human_name = array( // this are the names for the editor
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'link-to' => 'LinkTo',
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'link-list' => 'LinkList',
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'link-string' => 'LinkString'
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);
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var $debug = False;
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/**
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* Constructor of the extension
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*
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* @param string $ui '' for html
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*/
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function link_widget($ui)
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{
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if (!is_object($GLOBALS['egw']->link))
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{
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$GLOBALS['egw']->link =& CreateObject('infolog.bolink');
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}
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$this->link =& $GLOBALS['egw']->link;
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}
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/**
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* pre-processing of the extension
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*
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* This function is called before the extension gets rendered
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*
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* @param string $name form-name of the control
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* @param mixed &$value value / existing content, can be modified
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* @param array &$cell array with the widget, can be modified for ui-independent widgets
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* @param array &$readonlys names of widgets as key, to be made readonly
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* @param mixed &$extension_data data the extension can store persisten between pre- and post-process
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* @param object &$tmpl reference to the template we belong too
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* @return boolean true if extra label is allowed, false otherwise
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*/
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function pre_process($name,&$value,&$cell,&$readonlys,&$extension_data,&$tmpl)
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{
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if ($cell['type'] == 'link-to' && ($cell['readonly'] || $readonlys))
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{
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//echo "<p>link-to is readonly, cell=".print_r($cell,true).", readonlys=".print_r($readonlys)."</p>\n";
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// readonly ==> omit the whole widget
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$cell = $tmpl->empty_cell();
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return;
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}
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if ($cell['type'] == 'link-string')
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{
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$str = '';
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if (is_array($value))
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{
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foreach ($value as $link)
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{
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$str .= ($str !== '' ? ', ' : '') . $tmpl->html->a_href(
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$tmpl->html->htmlspecialchars($this->link->title($link['app'],$link['id'])),
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$this->link->view($link['app'],$link['id'],$link));
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}
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}
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$cell['type'] = 'html';
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$cell['readonly'] = True; // is allways readonly
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$value = $str;
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return True;
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}
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if (!is_array($value))
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{
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$value = array(
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'to_id' => $value,
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'to_app' => $GLOBALS['phpgw_info']['flags']['currentapp']
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);
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}
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if ($this->debug)
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{
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echo "<p>link_widget::pre_process($name,$value,".print_r($cell,true).",$readonlys,,)</p>\n";
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echo "<p>start: $cell[type][$name]::pre_process: value ="; _debug_array($value);
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echo "extension_data[$cell[type]][$name] ="; _debug_array($extension_data);
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}
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switch ($type = $cell['type'])
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{
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case 'link-to':
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$value['msg'] = '';
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if ($value['button'] == 'upload' && !empty($value['file']) && $value['file']['tmp_name'] != 'none')
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{
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$value = $extension_data;
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$value['remark'] = '';
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$tpl =& new etemplate('etemplate.link_widget.attach');
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}
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elseif ($value['button'] == 'search' && count($ids = $this->link->query($value['app'],$value['query'])))
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{
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$extension_data['app'] = $value['app'];
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$value = $extension_data;
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$value['options-id'] = $ids;
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$value['remark'] = '';
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$tpl =& new etemplate('etemplate.link_widget.create');
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if ($value['link_label'])
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{
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$tpl->set_cell_attribute('create','label',$value['link_label']);
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}
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}
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else
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{
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if (!$value['button'])
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{
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$extension_data = $value;
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}
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$value = array_merge($extension_data,$value);
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$value['options-app'] = $this->link->app_list();
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if ($value['button'] == 'search') $value['msg'] = lang('Nothing found - try again !!!');
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$tpl =& new etemplate('etemplate.link_widget.search');
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if ($value['search_label'])
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{
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$tpl->set_cell_attribute('app','label',$value['search_label']);
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}
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}
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break;
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case 'link-list':
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$app = $value['to_app'];
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$id = isset($extension_data['to_id']) ? $extension_data['to_id'] : $value['to_id'];
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if ($this->debug)
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{
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echo "<p>link-list-widget[$name].preprocess: value="; _debug_array($value);
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}
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if (!isset($value['title']))
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{
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$value['title'] = $this->link->title($app,$id);
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}
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$links = $this->link->get_links($app,$id);
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$value['anz_links'] = count($links);
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$extension_data = $value;
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if (!count($links))
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{
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$cell = $tmpl->empty_cell();
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$value = '';
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return True;
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}
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$tpl =& new etemplate('etemplate.link_widget.list');
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$tpl->data[0]['A'] = $tmpl->data[0]['A']; // set width of first col like the tmpl. calling us
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for($row=$tpl->rows-1; list(,$link) = each($links); ++$row)
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{
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$value[$row] = $link;
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$value[$row]['title'] = $this->link->title($link['app'],$link['id'],$link);
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if (!is_array($link['id']))
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{
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$value[$row]['view'] = $this->link->view($link['app'],$link['id'],$link);
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}
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}
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break;
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}
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$cell['size'] = $cell['name'];
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$cell['type'] = 'template';
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$cell['name'] = $tpl->name;
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$cell['obj'] =& $tpl;
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// keep the editor away from the generated tmpls
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$tpl->no_onclick = true;
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if ($this->debug)
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{
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echo "<p>end: $type"."[$name]::pre_process: value ="; _debug_array($value);
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}
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return True; // extra Label is ok
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}
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/**
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* postprocessing method, called after the submission of the form
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*
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* It has to copy the allowed/valid data from $value_in to $value, otherwise the widget
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* will return no data (if it has a preprocessing method). The framework insures that
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* the post-processing of all contained widget has been done before.
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*
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* Only used by select-dow so far
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*
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* @param string $name form-name of the widget
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* @param mixed &$value the extension returns here it's input, if there's any
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* @param mixed &$extension_data persistent storage between calls or pre- and post-process
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* @param boolean &$loop can be set to true to request a re-submision of the form/dialog
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* @param object &$tmpl the eTemplate the widget belongs too
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* @param mixed &value_in the posted values (already striped of magic-quotes)
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* @return boolean true if $value has valid content, on false no content will be returned!
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*/
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function post_process($name,&$value,&$extension_data,&$loop,&$tmpl,$value_in)
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{
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//echo "<p>link_widget::post_process('$name',value=".print_r($value,true).",ext=".print_r($extension_data,true).",$loop,,value_in=".print_r($value_in,true)."</p>\n";
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$buttons = array('search','create','new','upload','attach');
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while (!$button && list(,$bname) = each($buttons))
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{
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$button = $value[$bname] ? $bname : '';
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}
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if (is_array($value['unlink']))
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{
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$button = 'unlink';
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list($unlink) = @each($value['unlink']);
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}
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unset($value[$button]);
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$value = array_merge($extension_data,(array) $value);
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if ($button && $this->debug)
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{
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echo "<p>start: link_widget[$name]::post_process: button='$button', unlink='$unlink', value ="; _debug_array($value);
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}
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switch ($button)
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{
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case 'create':
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if ($value['to_app']) // make the link
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{
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$link_id = $this->link->link($value['to_app'],$value['to_id'],
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$value['app'],$value['id'],$value['remark']);
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if (isset($value['primary']) && !$value['anz_links'] )
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{
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$value['primary'] = $link_id;
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}
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}
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// fall-trough
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case 'search':
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case 'new':
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$extension_data = $value;
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$loop = True;
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break;
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case 'attach':
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if (is_array($value['file']) && $value['to_app'])
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{
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$link_id = $this->link->link($value['to_app'],$value['to_id'],
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$this->link->vfs_appname,$value['file'],$value['remark']);
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if (!is_array($value['to_id']))
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{
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unlink($value['file']['tmp_name']);
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}
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if (isset($value['primary']) && !$value['anz_links'] )
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{
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$value['primary'] = $link_id;
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}
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unset($value['file']);
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}
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$extension_data = $value;
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$loop = True;
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break;
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case 'upload': // need to rename file, as php deletes it otherwise
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if (is_array($value['file']) && !empty($value['file']['tmp_name']) &&
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$value['file']['tmp_name'] != 'none')
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{
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move_uploaded_file($value['file']['tmp_name'],$value['file']['tmp_name'].'+');
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$value['file']['tmp_name'] .= '+';
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$extension_data = $value;
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}
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else
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{
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unset($value['file']);
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$button = '';
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}
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$loop = True;
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break;
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case 'unlink':
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if ($this->debug)
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{
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//echo "<p>unlink(link-id=$unlink,$value[to_app],$value[to_id])</p>\n";
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if (is_array($value['to_id'])) _debug_array($value['to_id']);
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}
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$this->link->unlink2($unlink,$value['to_app'],$value['to_id']);
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if (is_array($value['to_id']))
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{
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$extension_data['to_id'] = $value['to_id']; // else changes from unlink get lost
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}
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$loop = True;
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break;
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}
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$value['button'] = $button;
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if ($this->debug)
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{
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echo "<p>end: link_widget[$name]::post_process: value ="; _debug_array($value);
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}
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return True;
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}
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}
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