forked from extern/egroupware
377 lines
14 KiB
PHP
377 lines
14 KiB
PHP
<?php
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/**************************************************************************\
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* eGroupWare - eTemplate Extension - Nextmatch 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: Widget that show only a certain number of data-rows and allows to modifiy the rows shown (scroll).
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*
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* This widget replaces the old nextmatch-class. It is independent of the UI,
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* as it only uses etemplate-widgets and has therefor no render-function
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*
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* $content[$id] = array( // I = value set by the app, 0 = value on return / output
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* 'get_rows' => // I method/callback to request the data for the rows eg. 'notes.bo.get_rows'
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* 'filter_label' => // I label for filter (optional)
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* 'filter_help' => // I help-msg for filter (optional)
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* 'no_filter' => True// I disable the 1. filter
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* 'no_filter2' => True// I disable the 2. filter (params are the same as for filter)
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* 'no_cat' => True// I disable the cat-selectbox
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* 'template' => // I template to use for the rows, if not set via options
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* 'header_left' => // I template to show left of the range-value, left-aligned (optional)
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* 'header_right' => // I template to show right of the range-value, right-aligned (optional)
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* 'bottom_too' => True// I show the nextmatch-line (arrows, filters, search, ...) again after the rows
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* 'start' => // IO position in list
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* 'cat_id' => // IO category, if not 'no_cat' => True
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* 'search' => // IO search pattern
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* 'order' => // IO name of the column to sort after (optional for the sortheaders)
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* 'sort' => // IO direction of the sort: 'ASC' or 'DESC'
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* 'col_filter' => // IO array of column-name value pairs (optional for the filterheaders)
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* 'filter' => // IO filter, if not 'no_filter' => True
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* 'filter_no_lang' => True// I set no_lang for filter (=dont translate the options)
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* 'filter2' => // IO filter2, if not 'no_filter2' => True
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* 'filter2_no_lang'=> True// I set no_lang for filter2 (=dont translate the options)
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* 'rows' => // O content set by callback
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* 'total' => // O the total number of entries
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* 'sel_options' => // O additional or changed sel_options set by the callback and merged into $tmpl->sel_options
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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 nextmatch_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(
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'nextmatch' => 'Nextmatch',
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'nextmatch-sortheader' => 'Nextmatch Sortheader',
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'nextmatch-filterheader' => 'Nextmatch Filterheader'
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);
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/**
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* Constructor of the extension
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*
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* @param string $ui '' for html
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*/
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function nextmatch_widget($ui)
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{
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}
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/**
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* returns last part of a form-name
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* @internal
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*/
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function last_part($name)
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{
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$parts = explode('[',str_replace(']','',$name));
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return $parts[count($parts)-1];
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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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$nm_global = &$GLOBALS['phpgw_info']['etemplate']['nextmatch'];
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//echo "<p>nextmatch_widget.pre_process(name='$name',type='$cell[type]'): value = "; _debug_array($value);
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//echo "<p>nextmatch_widget.pre_process(name='$name',type='$cell[type]'): nm_global = "; _debug_array($nm_global);
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$extension_data = array(
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'type' => $cell['type']
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);
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switch ($cell['type'])
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{
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case 'nextmatch-sortheader':
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$cell['type'] = 'button';
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$cell['onchange'] = True;
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if (!$cell['help'])
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{
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$cell['help'] = 'click to order after that criteria';
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}
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if ($this->last_part($name) == $nm_global['order']) // we're the active column
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{
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$cell[1] = $cell;
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$cell[1]['span'] .= ',activ_sortcolumn';
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$cell[2] = $tmpl->empty_cell('image',$nm_global['sort'] != 'DESC' ? 'down' : 'up');
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$cell['type'] = 'hbox';
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$cell['size'] = '2,0,0';
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$cell['name'] = $cell['label'] = '';
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}
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else
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{
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$cell['span'] .= ',inactiv_sortcolumn';
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}
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return True;
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case 'nextmatch-filterheader':
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$cell['type'] = 'select';
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if (!$cell['size'])
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{
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$cell['size'] = 'All';
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}
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if (!$cell['help'])
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{
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$cell['help'] = 'select which values to show';
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}
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$cell['onchange'] = True;
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$extension_data['old_value'] = $value = $nm_global['col_filter'][$this->last_part($name)];
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return True;
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}
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list($app,$class,$method) = explode('.',$value['get_rows']);
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if ($app && $class)
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{
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if (is_object($GLOBALS[$class])) // use existing instance (put there by a previous CreateObject)
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{
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$obj =& $GLOBALS[$class];
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}
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else
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{
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$obj =& CreateObject($app.'.'.$class);
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}
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}
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if (!is_object($obj) || !method_exists($obj,$method))
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{
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$GLOBALS['phpgw_info']['etemplate']['validation_errors'][$name] = "nextmatch_widget::pre_process($cell[name]): '$value[get_rows]' is no valid method !!!";
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}
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else
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{
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$total = $value['total'] = $obj->$method($value,$value['rows'],$readonlys['rows']);
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// allow the get_rows function to override / set sel_options
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if (isset($value['rows']['sel_options']) && is_array($value['rows']['sel_options']))
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{
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$tmpl->sel_options = array_merge($tmpl->sel_options,$value['rows']['sel_options']);
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unset($value['rows']['sel_options']);
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}
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}
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if ($value['start'] > $total)
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{
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$value['start'] = 0;
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$total = $obj->$method($value,$value['rows'],$readonlys['rows']);
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}
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if (is_array($value['rows'][0])) // fixed 0 based arrays
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{
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array_unshift($value['rows'],false);
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}
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list($template,$options) = explode(',',$cell['size']);
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if ($template) // template name can be supplied either in $value['template'] or the options-field
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{
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$value['template'] = $template;
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}
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if (!is_object($value['template']))
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{
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$value['template'] =& new etemplate($value['template'],$tmpl->as_array());
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}
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if ($total < 1)
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{
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$value['template']->data[0]['h'.$value['template']->rows] .= ',1'; // disable the last data row
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}
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$max = $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs'];
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if ($total <= $max && $options && $value['search'] == '' &&
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($value['no_cat'] || !$value['cat_id']) &&
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($value['no_filter'] || !$value['filter'] || $value['filter'] == 'none') &&
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($value['no_filter2'] || !$value['filter2'] || $value['filter2'] == 'none'))
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{ // disable whole nextmatch line if no scrolling necessary
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if ($value['header_left'] || $value['header_right'])
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{
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$nextmatch = new etemplate('etemplate.nextmatch_widget.header_only');
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$cell['size'] = $cell['name'];
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$cell['obj'] = &$nextmatch;
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$cell['name'] = $nextmatch->name;
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}
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else
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{
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$cell['size'] = $cell['name'].'[rows]';
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$cell['obj'] = &$value['template'];
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$cell['name'] = $value['template']->name;
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}
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}
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else
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{
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$nextmatch =& new etemplate('etemplate.nextmatch_widget');
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// keep the editor away from the generated tmpls
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$nextmatch->no_onclick = true;
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foreach(array('no_cat'=>'cat_id','no_filter'=>'filter','no_filter2'=>'filter2') as $val_name => $cell_name)
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{
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if (isset($value[$val_name])) $nextmatch->disable_cells($cell_name,$value[$val_name]);
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}
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foreach(array('header_left','header_right') as $name)
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{
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if (!$value[$name]) $nextmatch->disable_cells('@'.$name);
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}
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foreach(array('filter','filter2') as $cell_name)
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{
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if (isset($value[$cell_name.'_no_lang'])) $nextmatch->set_cell_attribute($cell_name,'no_lang',$value[$cell_name.'_no_lang']);
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}
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$start = $value['start'];
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$end = $start+$max > $total ? $total : $start+$max;
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$value['range'] = $total ? (1+$start) . ' - ' . $end : '0';
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$nextmatch->set_cell_attribute('first','readonly',$start <= 0);
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$nextmatch->set_cell_attribute('left', 'readonly',$start <= 0);
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$nextmatch->set_cell_attribute('right','readonly',$start+$max >= $total);
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$nextmatch->set_cell_attribute('last', 'readonly',$start+$max >= $total);
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$cell['size'] = $cell['name'];
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$cell['obj'] = &$nextmatch;
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$cell['name'] = $nextmatch->name;
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}
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$cell['type'] = 'template';
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$cell['label'] = $cell['help'] = '';
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// save values in persistent extension_data to be able use it in post_process
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$extension_data += $value;
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foreach(array('sort','order','col_filter') as $n) // save them for the sortheader
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{
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$nm_global[$n] = $value[$n];
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}
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$value['bottom'] = $value; // copy the values for the bottom-bar
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return False; // NO extra Label
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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,$value_in)
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{
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$nm_global = &$GLOBALS['phpgw_info']['etemplate']['nextmatch'];
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//echo "<p>nextmatch_widget.post_process(name='$name',value_in='$value_in',order='$nm_global[order]'): value = "; _debug_array($value);
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switch($extension_data['type'])
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{
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case 'nextmatch-sortheader':
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if ($value_in)
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{
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$nm_global['order'] = $this->last_part($name);
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}
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return False; // dont report value back, as it's in the wrong location (rows)
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case 'nextmatch-filterheader':
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if ($value_in != $extension_data['old_value'])
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{
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$nm_global['filter'][$this->last_part($name)] = $value_in;
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}
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return False; // dont report value back, as it's in the wrong location (rows)
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}
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$old_value = $extension_data;
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$max = $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs'];
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$value['start'] = $old_value['start']; // need to be set, to be reported back
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if (is_array($value['bottom'])) // we have a second bottom-bar
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{
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$inputs = array('search','cat_id','filter','filter2');
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foreach($inputs as $name)
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{
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if (isset($value['bottom'][$name]) && $value[$name] == $old_value[$name])
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{
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//echo "value[$name] overwritten by bottom-value[$name]='".$value['bottom'][$name]."', old_value[$name]='".$old_value[$name]."'<br>\n";
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$value[$name] = $value['bottom'][$name];
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}
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}
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$buttons = array('start_search','first','left','right','last');
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foreach($buttons as $name)
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{
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if (isset($value['bottom'][$name]) && $value['bottom'][$name])
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{
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$value[$name] = $value['bottom'][$name];
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}
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}
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unset($value['bottom']);
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}
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if ($value['start_search'] || $value['search'] != $old_value['search'] ||
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isset($value['cat_id']) && $value['cat_id'] != $old_value['cat_id'] ||
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isset($value['filter']) && $value['filter'] != $old_value['filter'] ||
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isset($value['filter2']) && $value['filter2'] != $old_value['filter2'])
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{
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//echo "<p>search='$old_value[search]'->'$value[search]', filter='$old_value[filter]'->'$value[filter]', filter2='$old_value[filter2]'->'$value[filter2]'<br>";
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//echo "new filter --> loop</p>";
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//echo "value ="; _debug_array($value);
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//echo "old_value ="; _debug_array($old_value);
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$loop = True;
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}
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elseif ($value['first'])
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{
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$value['start'] = 0;
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unset($value['first']);
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$loop = True;
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}
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elseif ($value['left'])
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{
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$value['start'] = $old_value['start'] - $max;
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unset($value['left']);
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$loop = True;
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}
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elseif ($value['right'])
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{
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$value['start'] = $old_value['start'] + $max;
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unset($value['right']);
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$loop = True;
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}
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elseif ($value['last'])
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{
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$value['start'] = (int) (($old_value['total']-2) / $max) * $max;
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unset($value['last']);
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$loop = True;
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}
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elseif ($nm_global['order'])
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{
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$value['order'] = $nm_global['order'];
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$value['sort'] = $old_value['order'] == $nm_global['order'] && $old_value['sort']!='DESC'?'DESC':'ASC';
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$loop = True;
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}
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elseif ($nm_global['filter'])
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{
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if (!is_array($value['col_filter'])) $value['col_filter'] = array();
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$value['col_filter'] += $nm_global['filter'];
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$loop = True;
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}
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return True;
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}
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}
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