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source: trunk/phpgwapi/inc/class.nextmatchs.inc.php @ 2

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1	<?php
2	/**************************************************************************\
3	* eGroupWare API - nextmatchs *
4	* Written by Joseph Engo <jengo@phpgroupware.org> *
5	* and Bettina Gille [ceb@phpgroupware.org] *
6	* Handles limiting number of rows displayed *
7	* Copyright (C) 2000, 2001 Joseph Engo *
8	* Copyright (C) 2002, 2003 Joseph Engo, Bettina Gille *
9	* ------------------------------------------------------------------------ *
10	* This library is part of the eGroupWare API *
11	* http://www.egroupware.org *
12	* ------------------------------------------------------------------------ *
13	* This library is free software; you can redistribute it and/or modify it *
14	* under the terms of the GNU Lesser General Public License as published by *
15	* the Free Software Foundation; either version 2.1 of the License, *
16	* or any later version. *
17	* This library is distributed in the hope that it will be useful, but *
18	* WITHOUT ANY WARRANTY; without even the implied warranty of *
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
20	* See the GNU Lesser General Public License for more details. *
21	* You should have received a copy of the GNU Lesser General Public License *
22	* along with this library; if not, write to the Free Software Foundation, *
23	* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
24	\**************************************************************************/
25
26	/*!
27	@class nextmatchs
28	@abstract
29	*/
30	class nextmatchs
31	{
32	var $maxmatches;
33	var $action;
34	var $template;
35	var $extra_filters = array();
36
37	function nextmatchs($website=False)
38	{
39	if(!$website)
40	{
41	$this->template = createobject('phpgwapi.Template',PHPGW_TEMPLATE_DIR);
42	$this->template->set_file(array(
43	'_nextmatchs' => 'nextmatchs.tpl'
44	));
45	$this->template->set_block('_nextmatchs','nextmatchs');
46	$this->template->set_block('_nextmatchs','filter');
47	$this->template->set_block('_nextmatchs','form');
48	$this->template->set_block('_nextmatchs','icon');
49	$this->template->set_block('_nextmatchs','link');
50	$this->template->set_block('_nextmatchs','search');
51	$this->template->set_block('_nextmatchs','cats');
52	$this->template->set_block('_nextmatchs','search_filter');
53	$this->template->set_block('_nextmatchs','cats_search_filter');
54	}
55
56	if(isset($GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs']) &&
57	(int)$GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs'] > 0)
58	{
59	$this->maxmatches = (int)$GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs'];
60	}
61	else
62	{
63	$this->maxmatches = 15;
64	}
65
66	$this->_start = (int) get_var('start',array('GLOBAL','POST','GET'));
67
68	foreach(array('menuaction','filter','qfield','order','sort') as $name)
69	{
70	$var = '_'.$name;
71	$this->$var = get_var($name,array('GLOBAL','POST','GET'));
72	if (!preg_match('/^[a-z0-9_. -]*$/i',$this->$var))
73	{
74	$this->$var = '';
75	}
76	}
77	if (!is_object($GLOBALS['phpgw']->html))
78	{
79	$GLOBALS['phpgw']->html = CreateObject('phpgwapi.html');
80	}
81	}
82
83	/*!
84	@function set_icon
85	@abstract ?
86	@param $align ?
87	@param $img_src ?
88	@param $label ?
89	*/
90	function set_icon($align,$img,$label)
91	{
92	$var = array(
93	'align' => $align,
94	'img' => $GLOBALS['phpgw']->common->image('phpgwapi',$img),
95	'label' => lang($label),
96	'border' => 0
97	);
98	$this->template->set_var($var);
99	return $this->template->fp('out','link');
100	}
101
102	/*!
103	@function page
104	@abstract ?
105	*/
106	function page($extravars='')
107	{
108	if($extravars && is_string($extravars) && substr($extravars,0,1)!='&')
109	{
110	$extras = '&'.$extravars;
111	}
112	elseif($extravars && is_array($extravars))
113	{
114	foreach($extravars as $var => $value)
115	{
116	if($var != 'menuaction')
117	{
118	$t_extras[] = $var.'='.$value;
119	}
120	}
121	$extras = implode($t_extras,'&');
122	}
123
124	return $GLOBALS['phpgw']->link('/index.php','menuaction='.$this->_menuaction.$extras);
125	}
126
127	/*!
128	@function set_link
129	@abstract ?
130	@param $img_src ?
131	@param $label ?
132	@param $link ?
133	@param $extravars ?
134	*/
135	function set_link($align,$img,$link,$alt,$extravars)
136	{
137	$var = Array(
138	'align' => $align,
139	'action' => ($this->_menuaction?$this->page():$GLOBALS['phpgw']->link($link)),
140	'form_name' => $img,
141	'hidden' => $GLOBALS['phpgw']->html->input_hidden($extravars),
142	'img' => $GLOBALS['phpgw']->common->image('phpgwapi',$img),
143	'label' => $alt,
144	'border' => 0,
145	'start' => $extravars['start']
146	);
147	$this->template->set_var($var);
148	return $this->template->fp('out','form');
149	}
150
151	/*!
152	@function show_tpl
153	@abstract ?
154	@param $sn ?
155	@param $start ?
156	@param $total ?
157	@param $extra ?
158	@param $twidth ?
159	@param $bgtheme ?
160	@param $search_obj ?
161	@param $filter_obj ?
162	@param $showsearch ?
163	*/
164	function show_tpl($sn,$localstart,$total,$extra, $twidth, $bgtheme,$search_obj=0,$filter_obj=1,$showsearch=1,$yours=0,$cat_id=0,$cat_field='fcat_id')
165	{
166	if (!is_object($GLOBALS['phpgw']->categories))
167	{
168	$GLOBALS['phpgw']->categories = CreateObject('phpgwapi.categories');
169	}
170	$extravars = $this->split_extras($extravars,$extra);
171
172	$var = array(
173	'form_action' => ($this->_menuaction?$this->page($extra):$GLOBALS['phpgw']->link($sn, $extra)),
174	'lang_category' => lang('Category'),
175	'lang_all' => lang('All'),
176	'lang_select' => lang('Select'),
177	'cat_field' => $cat_field,
178	'categories' => $GLOBALS['phpgw']->categories->formated_list('select','all',$cat_id,'True'),
179	'hidden' => $GLOBALS['phpgw']->html->input_hidden(array(
180	'filter' => $this->_filter,
181	'qfield' => $this->_qfield,
182	'start' => (int)$localstart,
183	'order' => $this->_order,
184	'sort' => $this->_sort,
185	'query' => $GLOBALS['query'],
186	)),
187	'query_value' => $GLOBALS['phpgw']->html->htmlspecialchars($GLOBALS['query']),
188	'table_width' => $twidth,
189	'th_bg' => $GLOBALS['phpgw_info']['theme']['th_bg'],
190	'left' => $this->left($sn,(int)$localstart,$total,$extra),
191	'search' => ($showsearch?$this->search($search_obj):''),
192	'filter' => ($filter_obj?$this->filter($filter_obj,$yours):''),
193	'right' => $this->right($sn,(int)$localstart,$total,$extra)
194	);
195	$this->template->set_var($var);
196	$this->template->parse('cats','cats');
197	$this->template->parse('cats_search_filter_data','cats_search_filter');
198	return $this->template->fp('out','nextmatchs');
199	}
200
201	function split_extras($extravars,$extradata)
202	{
203	if($extradata)
204	{
205	if(!is_array($extradata))
206	{
207	parse_str($extradata,$extradata);
208	}
209	foreach($extradata as $var => $value)
210	{
211	if($var != 'menuaction')
212	{
213	$extravars[$var] = $value;
214	}
215	else
216	{
217	$this->_menuaction = $value;
218	}
219	}
220	}
221	return $extravars;
222	}
223
224	function extras_to_string($extra)
225	{
226	if(is_array($extra))
227	{
228	foreach($extra as $var => $value)
229	{
230	$t_extras[] = $var . '=' . urlencode($value);
231	}
232	$extra_s = '&' . implode('&',$t_extras);
233	}
234	return $extra_s;
235	}
236
237	/*!
238	@function left
239	@abstract ?
240	@param $scriptname ?
241	@param $start ?
242	@param $total ?
243	@param $extradate ?
244	*/
245	function left($scriptname,$start,$total,$extradata = '')
246	{
247	$extravars = Array(
248	'order' => $this->_order,
249	'filter' => $this->_filter,
250	'q_field' => $this->_qfield,
251	'sort' => $this->_sort,
252	'query' => urlencode(stripslashes(@$GLOBALS['query']))
253	);
254
255	$extravars = $this->split_extras($extravars,$extradata);
256	$ret_str = '';
257
258	$start = (int) $start;
259
260	if ($start != 0)
261	{
262	$extravars['start'] = 0;
263	$ret_str .= $this->set_link('left','first.png',$scriptname,lang('First page'),$extravars);
264	// Changing the sorting order screaws up the starting number
265	if (($start - $this->maxmatches) < 0)
266	{
267	$extravars['start'] = 0;
268	}
269	else
270	{
271	$extravars['start'] = ($start - $this->maxmatches);
272	}
273	$ret_str .= $this->set_link('left','left.png',$scriptname,lang('Previous page'),$extravars);
274	}
275	else
276	{
277	$ret_str .= $this->set_icon('left','first-grey.png',lang('First page'));
278	$ret_str .= $this->set_icon('left','left-grey.png',lang('Previous page'));
279	}
280	return $ret_str;
281	} /* left() */
282
283	/*!
284	@function right
285	@abstract ?
286	@param $scriptname ?
287	@param $start ?
288	@param $total ?
289	@param $extradate ?
290	*/
291	function right($scriptname,$start,$total,$extradata = '')
292	{
293	$extravars = Array(
294	'order' => $this->_order,
295	'filter' => $this->_filter,
296	'q_field' => $this->_qfield,
297	'sort' => $this->_sort,
298	'query' => urlencode(stripslashes(@$GLOBALS['query']))
299	);
300
301	$extravars = $this->split_extras($extravars,$extradata);
302	$ret_str = '';
303
304	$start = (int) $start;
305
306	if (($total > $this->maxmatches) &&
307	($total > $start + $this->maxmatches))
308	{
309	$extravars['start'] = ($start + $this->maxmatches);
310	$ret_str .= $this->set_link('right','right.png',$scriptname,lang('Next page'),$extravars);
311	$extravars['start'] = ($total - $this->maxmatches);
312	$ret_str .= $this->set_link('right','last.png',$scriptname,lang('Last page'),$extravars);
313	}
314	else
315	{
316	$ret_str .= $this->set_icon('right','right-grey.png',lang('Next page'));
317	$ret_str .= $this->set_icon('right','last-grey.png',lang('Last page'));
318	}
319	return $ret_str;
320	} /* right() */
321
322	/*!
323	@function search_filter
324	@abstract ?
325	@param $search_obj default 0
326	*/
327	function search_filter($search_obj=0,$filter_obj=1,$yours=0,$link='',$extra='')
328	{
329	$var = array(
330	'form_action' => ($this->_menuaction?$this->page($extra):$GLOBALS['phpgw']->link($sn, $extra)),
331	'th_bg' => $GLOBALS['phpgw_info']['theme']['th_bg'],
332	'hidden' => $GLOBALS['phpgw']->html->input_hidden(array(
333	'filter' => $this->_filter,
334	'qfield' => $this->_qfield,
335	'start' => 0,
336	'order' => $this->_order,
337	'sort' => $this->_sort,
338	'query' => $GLOBALS['query'],
339	)),
340	'search' => $this->search($search_obj),
341	'filter' => ($filter_obj?$this->filter($filter_obj,$yours):'')
342	);
343	$this->template->set_var($var);
344	return $this->template->fp('out','search_filter');
345	}
346
347	/*!
348	@function cats_search_filter
349	@abstract ?
350	@param $search_obj default 0
351	*/
352	function cats_search_filter($search_obj=0,$filter_obj=1,$yours=0,$cat_id=0,$cat_field='fcat_id',$link='',$extra='')
353	{
354	if (!is_object($GLOBALS['phpgw']->categories))
355	{
356	$GLOBALS['phpgw']->categories = CreateObject('phpgwapi.categories');
357	}
358	$var = array(
359	'form_action' => ($this->_menuaction?$this->page($extra):$GLOBALS['phpgw']->link($sn, $extra)),
360	'lang_category' => lang('Category'),
361	'lang_all' => lang('All'),
362	'lang_select' => lang('Select'),
363	'cat_field' => $cat_field,
364	'categories' => $GLOBALS['phpgw']->categories->formated_list('select','all',(int)$cat_id,'True'),
365	'hidden' => $GLOBALS['phpgw']->html->input_hidden(array(
366	'filter' => $this->_filter,
367	'qfield' => $this->_qfield,
368	'start' => 0,
369	'order' => $this->_order,
370	'sort' => $this->_sort,
371	'query' => $GLOBALS['query'],
372	)),
373	'th_bg' => $GLOBALS['phpgw_info']['theme']['th_bg'],
374	'search' => $this->search($search_obj),
375	'filter' => ($filter_obj?$this->filter($filter_obj,$yours):'')
376	);
377	$this->template->set_var($var);
378	return $this->template->fp('out','cats_search_filter');
379	}
380
381	/*!
382	@function search
383	@abstract ?
384	@param $search_obj default 0
385	*/
386	function search($search_obj=0)
387	{
388	if(is_array($search_obj))
389	{
390	$params = $search_obj;
391	$s_query = stripslashes($params['query']);
392	$search_obj = $params['search_obj'];
393	}
394	else
395	{
396	$_query = stripslashes($GLOBALS['query']);
397	}
398
399	// If they place a '"' in their search, it will mess everything up
400	// Our only option is to remove it
401	if(strstr($query,'"'))
402	{
403	$_query = str_replace('"','',$_query);
404	}
405	$var = array
406	(
407	'query_value' => $GLOBALS['phpgw']->html->htmlspecialchars($_query),
408	'lang_search' => lang('Search')
409	);
410
411	if (is_array($search_obj))
412	{
413	$var['searchby'] = $this->searchby($search_obj);
414	}
415
416	$this->template->set_var($var);
417	return $this->template->fp('out','search');
418	} /* search() */
419
420	/*!
421	@function filterobj
422	@abstract ?
423	@param $filtertable
424	@param $indxfieldname ?
425	@param $strfieldname ?
426	*/
427	function filterobj($filtertable, $idxfieldname, $strfieldname)
428	{
429	$filter_obj = array(array('none','show all'));
430	$index = 0;
431
432	$GLOBALS['phpgw']->db->query("SELECT $idxfieldname, $strfieldname FROM $filtertable",__LINE__,__FILE__);
433	while($GLOBALS['phpgw']->db->next_record())
434	{
435	$index++;
436	$filter_obj[$index][0] = $GLOBALS['phpgw']->db->f($idxfieldname);
437	$filter_obj[$index][1] = $GLOBALS['phpgw']->db->f($strfieldname);
438	}
439
440	return $filter_obj;
441	} /* filterobj() */
442
443	/*!
444	@function searchby
445	@abstract ?
446	@param $search_obj ?
447	*/
448	function searchby($search_obj)
449	{
450	$str = '';
451	if (is_array($search_obj))
452	{
453	$indexlimit = count($search_obj);
454	for ($index=0; $index<$indexlimit; $index++)
455	{
456	if ($this->_qfield == '')
457	{
458	$this->_qfield = $search_obj[$index][0];
459	}
460	$str .= '<option value="' . $search_obj[$index][0] . '"' . ($this->_qfield == $search_obj[$index][0]?' selected':'') . '>' . lang($search_obj[$index][1]) . '</option>';
461	}
462	$str = '<select name="qfield">' . $str . '</select>' . "\n";
463	}
464	return $str;
465	} /* searchby() */
466
467	/*!
468	@function filter
469	@abstract ?
470	@param $filter_obj
471	*/
472	function filter($filter_obj,$yours=0)
473	{
474	if (is_array($yours))
475	{
476	$params = $yours;
477	$this->_filter = $params['filter'];
478	$yours = $params['yours'];
479	}
480
481	if (is_long($filter_obj))
482	{
483	if ($filter_obj == 1)
484	{
485	// $user_groups = $GLOBALS['phpgw']->accounts->membership($GLOBALS['phpgw_info']['user']['account_id']);
486	$indexlimit = count($user_groups);
487
488	if ($yours)
489	{
490	$filter_obj = array
491	(
492	array('none',lang('Show all')),
493	array('yours',lang('Only yours')),
494	array('private',lang('private'))
495	);
496	}
497	else
498	{
499	$filter_obj = array
500	(
501	array('none',lang('Show all')),
502	array('private',lang('private'))
503	);
504	}
505
506	while (is_array($this->extra_filters) && list(,$efilter) = each($this->extra_filters))
507	{
508	$filter_obj[] = $efilter;
509	}
510
511	for ($index=0; $index<$indexlimit; $index++)
512	{
513	$filter_obj[2+$index][0] = $user_groups[$index]['account_id'];
514	$filter_obj[2+$index][1] = 'Group - ' . $user_groups[$index]['account_name'];
515	}
516	}
517	}
518
519	if (is_array($filter_obj))
520	{
521	$str = '';
522	$indexlimit = count($filter_obj);
523
524	for ($index=0; $index<$indexlimit; $index++)
525	{
526	if ($this->_filter == '')
527	{
528	$this->_filter = $filter_obj[$index][0];
529	}
530	$str .= ' <option value="' . $filter_obj[$index][0] . '"'.($this->_filter == $filter_obj[$index][0]?' selected="1"':'') . '>' . $filter_obj[$index][1] . '</option>'."\n";
531	}
532
533	$str = ' <select name="filter" onChange="this.form.submit()">'."\n" . $str . ' </select>';
534	$this->template->set_var('select',$str);
535	$this->template->set_var('lang_filter',lang('Filter'));
536	}
537
538	return $this->template->fp('out','filter');
539	} /* filter() */
540
541	/* replacement for function filter */
542	function new_filter($data=0)
543	{
544	if(is_array($data))
545	{
546	$filter = (isset($data['filter'])?$data['filter']:'');
547	$format = (isset($data['format'])?$data['format']:'all');
548	}
549	else
550	{
551	//$filter = get_var('filter',Array('GET','POST'));
552	$filter = $data;
553	$format = 'all';
554	}
555
556	switch($format)
557	{
558	case 'yours':
559	$filter_obj = array
560	(
561	array('none',lang('show all')),
562	array('yours',lang('only yours'))
563	);
564	break;
565	case 'private':
566	$filter_obj = array
567	(
568	array('none',lang('show all')),
569	array('private',lang('only private'))
570	);
571	break;
572	default:
573	$filter_obj = array
574	(
575	array('none',lang('show all')),
576	array('yours',lang('only yours')),
577	array('private',lang('only private'))
578	);
579	}
580
581	$str = '';
582	$indexlimit = count($filter_obj);
583
584	for($index=0; $index<$indexlimit; $index++)
585	{
586	if($filter == '')
587	{
588	$filter = $filter_obj[$index][0];
589	}
590	$str .= ' <option value="' . $filter_obj[$index][0] . '"'.($filter == $filter_obj[$index][0]?' selected="1"':'') . '>' . $filter_obj[$index][1] . '</option>'."\n";
591	}
592
593	$str = ' <select name="filter" onChange="this.form.submit()">'."\n" . $str . ' </select>';
594	$this->template->set_var('select',$str);
595	$this->template->set_var('lang_filter',lang('Filter'));
596
597	return $this->template->fp('out','filter');
598	} /* filter() */
599
600	/*!
601	@function alternate_row_color
602	@abstract alternate row colour
603	@param $currentcolor default ''
604	@param $do_class boolean default False return the color-value or just the class-name
605	*/
606	function alternate_row_color($currentcolor = '',$do_class=False)
607	{
608	if (! $currentcolor)
609	{
610	$currentcolor = @$GLOBALS['tr_color'];
611	}
612
613	if ($currentcolor == $GLOBALS['phpgw_info']['theme']['row_on'])
614	{
615	$GLOBALS['tr_color'] = $GLOBALS['phpgw_info']['theme'][$class='row_off'];
616	}
617	else
618	{
619	$GLOBALS['tr_color'] = $GLOBALS['phpgw_info']['theme'][$class='row_on'];
620	}
621
622	return $do_class ? $class : $GLOBALS['tr_color'];
623	}
624
625	// If you are using the common bgcolor="{tr_color}"
626	// This function is a little cleanier approch
627	/*!
628	@function template_alternate_row_color
629	@abstract ?
630	@param $tpl ?
631	*/
632	function template_alternate_row_color(&$tpl)
633	{
634	$tpl->set_var('tr_color',$this->alternate_row_color());
635	}
636
637	/*!
638	@function show_sort_order
639	@abstract ?
640	@param $sort ?
641	@param $var ?
642	@param $order ?
643	@param $program ?
644	@param $text ?
645	@param $extra default ''
646	*/
647	function show_sort_order($sort,$var,$order,$program,$text,$extra='',$build_a_href=True)
648	{
649	if ($order == $var)
650	{
651	$sort = $sort == 'ASC' ? 'DESC' : 'ASC';
652
653	$text = '<b>'.$text.'</b> <img border="0" src="'.$GLOBALS['phpgw']->common->image('phpgwapi',$sort=='ASC'?'up':'down').'">';
654	}
655	else
656	{
657	$sort = 'ASC';
658	}
659
660	if (is_array($extra))
661	{
662	$extra = $this->extras_to_string($extra);
663	}
664
665	$extravar = 'order='.$var.'&sort='.$sort.'&filter='.$this->_filter.'&qfield='.$this->_qfield.'&start='.$this->_start.'&query='.urlencode(stripslashes(@$GLOBALS['query'])).$extra;
666
667	$link = ($this->_menuaction?$this->page($extravar):$GLOBALS['phpgw']->link($program,$extravar));
668
669	if ($build_a_href)
670	{
671	return '<a href="' . $link . '">' . $text . '</a>';
672	}
673	else
674	{
675	return $link;
676	}
677	}
678
679	function show_hits($total_records='',$start=0)
680	{
681	if ($total_records > $this->maxmatches)
682	{
683	if ($start + $this->maxmatches > $total_records)
684	{
685	$end = $total_records;
686	}
687	else
688	{
689	$end = $start + $this->maxmatches;
690	}
691	return lang('showing %1 - %2 of %3',($start + 1),$end,$total_records);
692	}
693	else
694	{
695	return lang('showing %1',$total_records);
696	}
697	}
698
699	/*!
700	@function show_sort_order_imap
701	@abstract ?
702	@param $old_sort : the current sort value
703	@param $new_sort : the sort value you want if you click on this
704	@param $default_order : users preference for ordering list items (force this when a new [different] sorting is requested)
705	@param $order : the current order (will be flipped if old_sort = new_sort)
706	@param $program : script file name
707	@param $text : Text the link will show
708	@param $extra : any extra stuff you want to pass, url style
709	*/
710	function show_sort_order_imap($old_sort,$new_sort,$default_order,$order,$program,$text,$extra='')
711	{
712	if(is_array($extra))
713	{
714	$extra = $this->extras_to_string($extra);
715	}
716	if($old_sort == $new_sort)
717	{
718	// alternate order, like on outkrook, click on present sorting reverses order
719	if((int)$order == 1)
720	{
721	$our_order = 0;
722	}
723	elseif((int)$order == 0)
724	{
725	$our_order = 1;
726	}
727	else
728	{
729	// we should never get here
730	$our_order = 1;
731	}
732	}
733	else
734	{
735	//user has selected a new sort scheme, reset the order to users default
736	$our_order = $default_order;
737	}
738
739	$extravar = 'order='.$our_order.'&sort='.$new_sort.$extra;
740
741	$link = ($this->_menuaction?$this->page($extravar):$GLOBALS['phpgw']->link($program,$extravar));
742	return '<a href="' .$link .'">' .$text .'</a>';
743	}
744
745	/*!
746	@function nav_left_right_imap
747	@abstract same code as left and right (as of Dec 07, 2001) except all combined into one function
748	@param feed_vars : array with these elements: <br>
749	start
750	total
751	cmd_prefix
752	cmd_suffix
753	@return array, combination of functions left and right above, with these elements:
754	first_page
755	prev_page
756	next_page
757	last_page
758	@author: jengo, some changes by Angles
759	*/
760	function nav_left_right_imap($feed_vars)
761	{
762	$return_array = Array(
763	'first_page' => '',
764	'prev_page' => '',
765	'next_page' => '',
766	'last_page' => ''
767	);
768	$out_vars = array();
769	// things that might change
770	$out_vars['start'] = $feed_vars['start'];
771	// things that stay the same
772	$out_vars['common_uri'] = $feed_vars['common_uri'];
773	$out_vars['total'] = $feed_vars['total'];
774
775	// first page
776	if(($feed_vars['start'] != 0) &&
777	($feed_vars['start'] > $this->maxmatches))
778	{
779	$out_vars['start'] = 0;
780	$return_array['first_page'] = $this->set_link_imap('left','first.png',lang('First page'),$out_vars);
781	}
782	else
783	{
784	$return_array['first_page'] = $this->set_icon_imap('left','first-grey.png',lang('First page'));
785	}
786	// previous page
787	if($feed_vars['start'] != 0)
788	{
789	// Changing the sorting order screaws up the starting number
790	if(($feed_vars['start'] - $this->maxmatches) < 0)
791	{
792	$out_vars['start'] = 0;
793	}
794	else
795	{
796	$out_vars['start'] = ($feed_vars['start'] - $this->maxmatches);
797	}
798	$return_array['prev_page'] = $this->set_link_imap('left','left.png',lang('Previous page'),$out_vars);
799	}
800	else
801	{
802	$return_array['prev_page'] = $this->set_icon_imap('left','left-grey.png',lang('Previous page'));
803	}
804
805	// re-initialize the out_vars
806	// things that might change
807	$out_vars['start'] = $feed_vars['start'];
808	// next page
809	if(($feed_vars['total'] > $this->maxmatches) &&
810	($feed_vars['total'] > $feed_vars['start'] + $this->maxmatches))
811	{
812	$out_vars['start'] = ($feed_vars['start'] + $this->maxmatches);
813	$return_array['next_page'] = $this->set_link_imap('right','right.png',lang('Next page'),$out_vars);
814	}
815	else
816	{
817	$return_array['next_page'] = $this->set_icon_imap('right','right-grey.png',lang('Next page'));
818	}
819	// last page
820	if(($feed_vars['start'] != $feed_vars['total'] - $this->maxmatches) &&
821	(($feed_vars['total'] - $this->maxmatches) > ($feed_vars['start'] + $this->maxmatches)))
822	{
823	$out_vars['start'] = ($feed_vars['total'] - $this->maxmatches);
824	$return_array['last_page'] = $this->set_link_imap('right','last.png',lang('Last page'),$out_vars);
825	}
826	else
827	{
828	$return_array['last_page'] = $this->set_icon_imap('right','last-grey.png',lang('Last page'));
829	}
830	return $return_array;
831	}
832
833	/*!
834	@function set_link_imap
835	@abstract ?
836	@param $img_src ?
837	@param $label ?
838	@param $link ?
839	@param $extravars ?
840	*/
841	function set_link_imap($align,$img,$alt_text,$out_vars)
842	{
843	$img_full = $GLOBALS['phpgw']->common->image('phpgwapi',$img);
844	$image_part = '<img src="'.$img_full.'" border="0" alt="'.$alt_text.'" width="12" height="12">';
845	return '<a href="'.$out_vars['common_uri'].'&start='.$out_vars['start'].'">'.$image_part.'</a>';
846	}
847
848	function set_icon_imap($align,$img,$alt_text)
849	{
850	$img_full = $GLOBALS['phpgw']->common->image('phpgwapi',$img);
851	return '<img src="'.$img_full.'" border="0" width="12" height="12" alt="'.$alt_text.'">'."\r\n";
852	}
853	} // End of nextmatchs class
854	?>

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