mirror of
https://github.com/EGroupware/egroupware.git
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441 lines
15 KiB
PHP
441 lines
15 KiB
PHP
<?php
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/**
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* eGroupWare eTemplate Extension - Link Widgets / UI for the link class
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @link http://www.egroupware.org
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* @author Ralf Becker <RalfBecker@outdoor-training.de>
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* @version $Id$
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*/
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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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* All widgets use the link-registry, to "know" which apps use popups (and what size).
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* If run in a popup and the app uses no popups, a target will be set, to open a new full decorated window.
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*
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* The class contains the following widgets:
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* - link: Show a link to one linked entry specified by an array with keys app, id and optional title and help-message
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* - 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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* - link-list: Widget to shows the links to an entry in a table with an unlink icon for each link
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* - link-string: comma-separated list of link-titles with a link to its view method, value is like get_links()
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* or array with keys to_app and to_id (widget calls then get_links itself)
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* - link-add: Add a new entry of the select app, which is already linked to a given entry
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*
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*<code>
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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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* // optional only for the link-add widget
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* 'extra' => // I array with extra parameters, eg. array('cat_id' => 15)
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* );
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*</code>
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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 Ralf Becker <RalfBecker@outdoor-training.de>
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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*/
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class link_widget
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{
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/**
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* @var array exported methods of this class
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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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* @var array availible extensions and there names for the editor
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*/
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var $human_name = array(
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'link' => 'Link',
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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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'link-add' => 'LinkEntry',
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);
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/**
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* @var boolean $debug switches debug-messages on and off
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*/
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var $debug = False;
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/**
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* @var object $link reference to the link class
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*/
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var $link;
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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('phpgwapi.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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$type = $cell['type'];
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$help = $cell['help'] ? ($value['help'] ? $value['help'] : $cell['help']) : lang('view this linked entry in its application');
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if (($type == 'link-to' || $type == 'link-add') && ($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 = $tmpl->empty_cell();
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return;
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}
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if (!is_array($value) && $type != 'link-string' && $type != 'link')
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{
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$value = array(
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'to_id' => $value,
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'to_app' => $GLOBALS['egw_info']['flags']['currentapp']
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);
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}
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if ($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 = $cell['type'])
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{
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case 'link':
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$cell['readonly'] = True; // set it readonly to NOT call our post_process function
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$cell['no_lang'] = 1;
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$link = $target = $popup = '';
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if ($value['app'] && $value['id'])
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{
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$view = $this->link->view($value['app'],$value['id']);
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$link = $view['menuaction']; unset($view['menuaction']);
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foreach($view as $var => $val)
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{
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$link .= '&'.$var.'='.$val;
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}
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if (!($popup = $this->link->is_popup($value['app'],'view')) &&
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$GLOBALS['egw_info']['etemplate']['output_mode'] == 2) // we are in a popup
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{
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$target = '_blank';
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}
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if (!$cell['help'])
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{
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$cell['help'] = $value['help'];
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$cell['no_lang'] = 2;
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}
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}
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elseif (!$value['title'])
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{
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$cell = $tmpl->empty_cell();
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$cell['readonly'] = True; // set it readonly to NOT call our post_process function
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return;
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}
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$cell['type'] = 'label';
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// size: [b[old]][i[talic]],[link],[activate_links],[label_for],[link_target],[link_popup_size]
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list($cell['size']) = explode(',',$cell['size']);
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$cell['size'] .= ','.$link.',,,'.$target.','.$popup;
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$value = $value['title'] ? $value['title'] : $this->link->title($value['app'],$value['id']);
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return true;
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case 'link-string':
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$str = '';
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if ($values['to_id'] && $values['to_app'])
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{
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$values = $this->link->get_links($values['to_app'],$values['to_id']);
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}
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if (is_array($value))
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{
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foreach ($value as $link)
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{
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$options .= " onMouseOver=\"self.status='".addslashes($tmpl->html->htmlspecialchars($help))."'; return true;\"";
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$options .= " onMouseOut=\"self.status=''; return true;\"";
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if (($popup = $this->link->is_popup($link['app'],'view')))
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{
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list($w,$h) = explode('x',$popup);
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$options = ' onclick="window.open(this,this.target,\'width='.(int)$w.',height='.(int)$h.',location=no,menubar=no,toolbar=no,scrollbars=yes,status=yes\'); return false;"';
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}
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elseif ($GLOBALS['egw_info']['etemplate']['output_mode'] == 2) // we are in a popup
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{
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$options = ' target="_blank"';
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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'],$link['id'])),
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'/index.php',$this->link->view($link['app'],$link['id'],$link),$options);
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}
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}
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$cell['type'] = 'html';
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$cell['readonly'] = True; // set it readonly to NOT call our post_process function
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$value = $str;
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return True;
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case 'link-add':
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$apps = $this->link->app_list($type == 'link-add' ? 'add' : '');
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if (!$apps) // cant do an add without apps or already created entry
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{
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$cell = $tmpl->empty_cell();
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return;
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}
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asort($apps); // sort them alphabetic
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$value['options-app'] = array();
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foreach($apps as $app => $label)
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{
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$link = $GLOBALS['egw']->link('/index.php',$this->link->add($app,$value['to_app'],$value['to_id'])+
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(is_array($value['extra']) ? $value['extra'] : array()));
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if (($popup = $this->link->is_popup($app,'add')))
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{
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list($w,$h) = explode('x',$popup);
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$action = "window.open('$link','_blank','width=$w,height=$h,location=no,menubar=no,toolbar=no,scrollbars=yes,status=yes');";
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}
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else
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{
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$action = "location.href = '$link';";
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}
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$value['options-app'][$action] = $label;
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}
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$tpl =& new etemplate('etemplate.link_widget.add');
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break;
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case 'link-to':
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$value['msg'] = '';
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if ($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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// error from search or upload
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$value['msg'] = $value['button'] == 'search' ? lang('Nothing found - try again !!!') : $extension_data['msg'];
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if (!$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'] = $this->link->app_list();
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asort($value['options-app']); // sort them alphabetic
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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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$tpl->set_cell_attribute('comment','onchange',"set_style_by_class('*','hide_comment','display',this.checked ? 'block' : 'none');");
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unset($value['comment']);
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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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if (!($value[$row]['popup'] = $this->link->is_popup($link['app'],'view')) &&
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$GLOBALS['egw_info']['etemplate']['output_mode'] == 2) // we are in a popup
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{
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$value[$row]['target'] = '_blank'; // we create a new window as the linked page is no popup
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}
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}
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if ($link['app'] == $this->link->vfs_appname)
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{
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$value[$row]['label'] = 'Delete';
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$value[$row]['help'] = lang('Delete this file');
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}
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else
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{
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$value[$row]['label'] = 'Unlink';
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$value[$row]['help'] = lang('Remove this link (not the entry itself)');
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}
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}
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break;
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}
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$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[$button]);
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unset($value['msg']);
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unset($extension_data['msg']);
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if (is_array($extension_data))
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{
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$value = is_array($value) ? array_merge($extension_data,$value) : $extension_data;
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}
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if ($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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$value['remark'] = '';
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if (isset($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']) && $value['to_app'] &&
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!empty($value['file']['tmp_name']) && $value['file']['tmp_name'] != 'none')
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{
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if (!$value['to_id'] || is_array($value['to_id'])) // otherwise the webserver deletes the file
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{
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move_uploaded_file($value['file']['tmp_name'],$value['file']['tmp_name'].'+');
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$value['file']['tmp_name'] .= '+';
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}
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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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$value['remark'] = '';
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if (isset($value['primary']) && !$value['anz_links'] )
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{
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$value['primary'] = $link_id;
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}
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unset($value['file']);
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}
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else
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{
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$value['msg'] = 'You need to select a file first!';
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}
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$extension_data = $value;
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$loop = True;
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break;
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case '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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