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source: branches/2.2/phpgwapi/inc/class.nextmatchs.inc.php @ 3375

Revision 3375, 24.2 KB checked in by eduardoalex, 14 years ago (diff)
Ticket #1221 - corrigido o erro no codigo referente a paginacao
Property svn:eol-style set to `native` Property svn:executable set to ``*

Line
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?$this->page($extravars):$GLOBALS['phpgw']->link($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	$num_regs_last_page = $total % $this->maxmatches;
312	$extravars['start'] = ($total - $num_regs_last_page);
313	$ret_str .= $this->set_link('right','last.png',$scriptname,lang('Last page'),$extravars);
314	}
315	else
316	{
317	$ret_str .= $this->set_icon('right','right-grey.png',lang('Next page'));
318	$ret_str .= $this->set_icon('right','last-grey.png',lang('Last page'));
319	}
320	return $ret_str;
321	} /* right() */
322
323	/*!
324	@function search_filter
325	@abstract ?
326	@param $search_obj default 0
327	*/
328	function search_filter($search_obj=0,$filter_obj=1,$yours=0,$link='',$extra='')
329	{
330	$var = array(
331	'form_action' => ($this->_menuaction?$this->page($extra):$GLOBALS['phpgw']->link($sn, $extra)),
332	'th_bg' => $GLOBALS['phpgw_info']['theme']['th_bg'],
333	'hidden' => $GLOBALS['phpgw']->html->input_hidden(array(
334	'filter' => $this->_filter,
335	'qfield' => $this->_qfield,
336	'start' => 0,
337	'order' => $this->_order,
338	'sort' => $this->_sort,
339	'query' => $GLOBALS['query'],
340	)),
341	'search' => $this->search($search_obj),
342	'filter' => ($filter_obj?$this->filter($filter_obj,$yours):'')
343	);
344	$this->template->set_var($var);
345	return $this->template->fp('out','search_filter');
346	}
347
348	/*!
349	@function cats_search_filter
350	@abstract ?
351	@param $search_obj default 0
352	*/
353	function cats_search_filter($search_obj=0,$filter_obj=1,$yours=0,$cat_id=0,$cat_field='fcat_id',$link='',$extra='')
354	{
355	if (!is_object($GLOBALS['phpgw']->categories))
356	{
357	$GLOBALS['phpgw']->categories = CreateObject('phpgwapi.categories');
358	}
359	$var = array(
360	'form_action' => ($this->_menuaction?$this->page($extra):$GLOBALS['phpgw']->link($sn, $extra)),
361	'lang_category' => lang('Category'),
362	'lang_all' => lang('All'),
363	'lang_select' => lang('Select'),
364	'cat_field' => $cat_field,
365	'categories' => $GLOBALS['phpgw']->categories->formated_list('select','all',(int)$cat_id,'True'),
366	'hidden' => $GLOBALS['phpgw']->html->input_hidden(array(
367	'filter' => $this->_filter,
368	'qfield' => $this->_qfield,
369	'start' => 0,
370	'order' => $this->_order,
371	'sort' => $this->_sort,
372	'query' => $GLOBALS['query'],
373	)),
374	'th_bg' => $GLOBALS['phpgw_info']['theme']['th_bg'],
375	'search' => $this->search($search_obj),
376	'filter' => ($filter_obj?$this->filter($filter_obj,$yours):'')
377	);
378	$this->template->set_var($var);
379	return $this->template->fp('out','cats_search_filter');
380	}
381
382	/*!
383	@function search
384	@abstract ?
385	@param $search_obj default 0
386	*/
387	function search($search_obj=0)
388	{
389	if(is_array($search_obj))
390	{
391	$params = $search_obj;
392	$s_query = stripslashes($params['query']);
393	$search_obj = $params['search_obj'];
394	}
395	else
396	{
397	$_query = stripslashes($GLOBALS['query']);
398	}
399
400	// If they place a '"' in their search, it will mess everything up
401	// Our only option is to remove it
402	if(strstr($query,'"'))
403	{
404	$_query = str_replace('"','',$_query);
405	}
406	$var = array
407	(
408	'query_value' => $GLOBALS['phpgw']->html->htmlspecialchars($_query),
409	'lang_search' => lang('Search')
410	);
411
412	if (is_array($search_obj))
413	{
414	$var['searchby'] = $this->searchby($search_obj);
415	}
416
417	$this->template->set_var($var);
418	return $this->template->fp('out','search');
419	} /* search() */
420
421	/*!
422	@function filterobj
423	@abstract ?
424	@param $filtertable
425	@param $indxfieldname ?
426	@param $strfieldname ?
427	*/
428	function filterobj($filtertable, $idxfieldname, $strfieldname)
429	{
430	$filter_obj = array(array('none','show all'));
431	$index = 0;
432
433	$GLOBALS['phpgw']->db->query("SELECT $idxfieldname, $strfieldname FROM $filtertable",__LINE__,__FILE__);
434	while($GLOBALS['phpgw']->db->next_record())
435	{
436	$index++;
437	$filter_obj[$index][0] = $GLOBALS['phpgw']->db->f($idxfieldname);
438	$filter_obj[$index][1] = $GLOBALS['phpgw']->db->f($strfieldname);
439	}
440
441	return $filter_obj;
442	} /* filterobj() */
443
444	/*!
445	@function searchby
446	@abstract ?
447	@param $search_obj ?
448	*/
449	function searchby($search_obj)
450	{
451	$str = '';
452	if (is_array($search_obj))
453	{
454	$indexlimit = count($search_obj);
455	for ($index=0; $index<$indexlimit; $index++)
456	{
457	if ($this->_qfield == '')
458	{
459	$this->_qfield = $search_obj[$index][0];
460	}
461	$str .= '<option value="' . $search_obj[$index][0] . '"' . ($this->_qfield == $search_obj[$index][0]?' selected':'') . '>' . lang($search_obj[$index][1]) . '</option>';
462	}
463	$str = '<select name="qfield">' . $str . '</select>' . "\n";
464	}
465	return $str;
466	} /* searchby() */
467
468	/*!
469	@function filter
470	@abstract ?
471	@param $filter_obj
472	*/
473	function filter($filter_obj,$yours=0)
474	{
475	if (is_array($yours))
476	{
477	$params = $yours;
478	$this->_filter = $params['filter'];
479	$yours = $params['yours'];
480	}
481
482	if (is_long($filter_obj))
483	{
484	if ($filter_obj == 1)
485	{
486	// $user_groups = $GLOBALS['phpgw']->accounts->membership($GLOBALS['phpgw_info']['user']['account_id']);
487	$indexlimit = count($user_groups);
488
489	if ($yours)
490	{
491	$filter_obj = array
492	(
493	array('none',lang('Show all')),
494	array('yours',lang('Only yours')),
495	array('private',lang('private'))
496	);
497	}
498	else
499	{
500	$filter_obj = array
501	(
502	array('none',lang('Show all')),
503	array('private',lang('private'))
504	);
505	}
506
507	while (is_array($this->extra_filters) && list(,$efilter) = each($this->extra_filters))
508	{
509	$filter_obj[] = $efilter;
510	}
511
512	for ($index=0; $index<$indexlimit; $index++)
513	{
514	$filter_obj[2+$index][0] = $user_groups[$index]['account_id'];
515	$filter_obj[2+$index][1] = 'Group - ' . $user_groups[$index]['account_name'];
516	}
517	}
518	}
519
520	if (is_array($filter_obj))
521	{
522	$str = '';
523	$indexlimit = count($filter_obj);
524
525	for ($index=0; $index<$indexlimit; $index++)
526	{
527	if ($this->_filter == '')
528	{
529	$this->_filter = $filter_obj[$index][0];
530	}
531	$str .= ' <option value="' . $filter_obj[$index][0] . '"'.($this->_filter == $filter_obj[$index][0]?' selected="1"':'') . '>' . $filter_obj[$index][1] . '</option>'."\n";
532	}
533
534	$str = ' <select name="filter" onChange="this.form.submit()">'."\n" . $str . ' </select>';
535	$this->template->set_var('select',$str);
536	$this->template->set_var('lang_filter',lang('Filter'));
537	}
538
539	return $this->template->fp('out','filter');
540	} /* filter() */
541
542	/* replacement for function filter */
543	function new_filter($data=0)
544	{
545	if(is_array($data))
546	{
547	$filter = (isset($data['filter'])?$data['filter']:'');
548	$format = (isset($data['format'])?$data['format']:'all');
549	}
550	else
551	{
552	//$filter = get_var('filter',Array('GET','POST'));
553	$filter = $data;
554	$format = 'all';
555	}
556
557	switch($format)
558	{
559	case 'yours':
560	$filter_obj = array
561	(
562	array('none',lang('show all')),
563	array('yours',lang('only yours'))
564	);
565	break;
566	case 'private':
567	$filter_obj = array
568	(
569	array('none',lang('show all')),
570	array('private',lang('only private'))
571	);
572	break;
573	default:
574	$filter_obj = array
575	(
576	array('none',lang('show all')),
577	array('yours',lang('only yours')),
578	array('private',lang('only private'))
579	);
580	}
581
582	$str = '';
583	$indexlimit = count($filter_obj);
584
585	for($index=0; $index<$indexlimit; $index++)
586	{
587	if($filter == '')
588	{
589	$filter = $filter_obj[$index][0];
590	}
591	$str .= ' <option value="' . $filter_obj[$index][0] . '"'.($filter == $filter_obj[$index][0]?' selected="1"':'') . '>' . $filter_obj[$index][1] . '</option>'."\n";
592	}
593
594	$str = ' <select name="filter" onChange="this.form.submit()">'."\n" . $str . ' </select>';
595	$this->template->set_var('select',$str);
596	$this->template->set_var('lang_filter',lang('Filter'));
597
598	return $this->template->fp('out','filter');
599	} /* filter() */
600
601	/*!
602	@function alternate_row_color
603	@abstract alternate row colour
604	@param $currentcolor default ''
605	@param $do_class boolean default False return the color-value or just the class-name
606	*/
607	function alternate_row_color($currentcolor = '',$do_class=False)
608	{
609	if (! $currentcolor)
610	{
611	$currentcolor = @$GLOBALS['tr_color'];
612	}
613
614	if ($currentcolor == $GLOBALS['phpgw_info']['theme']['row_on'])
615	{
616	$GLOBALS['tr_color'] = $GLOBALS['phpgw_info']['theme'][$class='row_off'];
617	}
618	else
619	{
620	$GLOBALS['tr_color'] = $GLOBALS['phpgw_info']['theme'][$class='row_on'];
621	}
622
623	return $do_class ? $class : $GLOBALS['tr_color'];
624	}
625
626	// If you are using the common bgcolor="{tr_color}"
627	// This function is a little cleanier approch
628	/*!
629	@function template_alternate_row_color
630	@abstract ?
631	@param $tpl ?
632	*/
633	function template_alternate_row_color(&$tpl)
634	{
635	$tpl->set_var('tr_color',$this->alternate_row_color());
636	}
637
638	/*!
639	@function show_sort_order
640	@abstract ?
641	@param $sort ?
642	@param $var ?
643	@param $order ?
644	@param $program ?
645	@param $text ?
646	@param $extra default ''
647	*/
648	function show_sort_order($sort,$var,$order,$program,$text,$extra='',$build_a_href=True)
649	{
650	if ($order == $var)
651	{
652	$sort = $sort == 'ASC' ? 'DESC' : 'ASC';
653
654	$text = '<b>'.$text.'</b> <img border="0" src="'.$GLOBALS['phpgw']->common->image('phpgwapi',$sort=='ASC'?'up':'down').'">';
655	}
656	else
657	{
658	$sort = 'ASC';
659	}
660
661	if (is_array($extra))
662	{
663	$extra = $this->extras_to_string($extra);
664	}
665
666	$extravar = 'order='.$var.'&sort='.$sort.'&filter='.$this->_filter.'&qfield='.$this->_qfield.'&start='.$this->_start.'&query='.urlencode(stripslashes(@$GLOBALS['query'])).$extra;
667
668	$link = ($this->_menuaction?$this->page($extravar):$GLOBALS['phpgw']->link($program,$extravar));
669
670	if ($build_a_href)
671	{
672	return '<a href="' . $link . '">' . $text . '</a>';
673	}
674	else
675	{
676	return $link;
677	}
678	}
679
680	function show_hits($total_records='',$start=0)
681	{
682	if ($total_records > $this->maxmatches)
683	{
684	if ($start + $this->maxmatches > $total_records)
685	{
686	$end = $total_records;
687	}
688	else
689	{
690	$end = $start + $this->maxmatches;
691	}
692	return lang('showing %1 - %2 of %3',($start + 1),$end,$total_records);
693	}
694	else
695	{
696	return lang('showing %1',$total_records);
697	}
698	}
699
700	/*!
701	@function show_sort_order_imap
702	@abstract ?
703	@param $old_sort : the current sort value
704	@param $new_sort : the sort value you want if you click on this
705	@param $default_order : users preference for ordering list items (force this when a new [different] sorting is requested)
706	@param $order : the current order (will be flipped if old_sort = new_sort)
707	@param $program : script file name
708	@param $text : Text the link will show
709	@param $extra : any extra stuff you want to pass, url style
710	*/
711	function show_sort_order_imap($old_sort,$new_sort,$default_order,$order,$program,$text,$extra='')
712	{
713	if(is_array($extra))
714	{
715	$extra = $this->extras_to_string($extra);
716	}
717	if($old_sort == $new_sort)
718	{
719	// alternate order, like on outkrook, click on present sorting reverses order
720	if((int)$order == 1)
721	{
722	$our_order = 0;
723	}
724	elseif((int)$order == 0)
725	{
726	$our_order = 1;
727	}
728	else
729	{
730	// we should never get here
731	$our_order = 1;
732	}
733	}
734	else
735	{
736	//user has selected a new sort scheme, reset the order to users default
737	$our_order = $default_order;
738	}
739
740	$extravar = 'order='.$our_order.'&sort='.$new_sort.$extra;
741
742	$link = ($this->_menuaction?$this->page($extravar):$GLOBALS['phpgw']->link($program,$extravar));
743	return '<a href="' .$link .'">' .$text .'</a>';
744	}
745
746	/*!
747	@function nav_left_right_imap
748	@abstract same code as left and right (as of Dec 07, 2001) except all combined into one function
749	@param feed_vars : array with these elements: <br>
750	start
751	total
752	cmd_prefix
753	cmd_suffix
754	@return array, combination of functions left and right above, with these elements:
755	first_page
756	prev_page
757	next_page
758	last_page
759	@author: jengo, some changes by Angles
760	*/
761	function nav_left_right_imap($feed_vars)
762	{
763	$return_array = Array(
764	'first_page' => '',
765	'prev_page' => '',
766	'next_page' => '',
767	'last_page' => ''
768	);
769	$out_vars = array();
770	// things that might change
771	$out_vars['start'] = $feed_vars['start'];
772	// things that stay the same
773	$out_vars['common_uri'] = $feed_vars['common_uri'];
774	$out_vars['total'] = $feed_vars['total'];
775
776	// first page
777	if(($feed_vars['start'] != 0) &&
778	($feed_vars['start'] > $this->maxmatches))
779	{
780	$out_vars['start'] = 0;
781	$return_array['first_page'] = $this->set_link_imap('left','first.png',lang('First page'),$out_vars);
782	}
783	else
784	{
785	$return_array['first_page'] = $this->set_icon_imap('left','first-grey.png',lang('First page'));
786	}
787	// previous page
788	if($feed_vars['start'] != 0)
789	{
790	// Changing the sorting order screaws up the starting number
791	if(($feed_vars['start'] - $this->maxmatches) < 0)
792	{
793	$out_vars['start'] = 0;
794	}
795	else
796	{
797	$out_vars['start'] = ($feed_vars['start'] - $this->maxmatches);
798	}
799	$return_array['prev_page'] = $this->set_link_imap('left','left.png',lang('Previous page'),$out_vars);
800	}
801	else
802	{
803	$return_array['prev_page'] = $this->set_icon_imap('left','left-grey.png',lang('Previous page'));
804	}
805
806	// re-initialize the out_vars
807	// things that might change
808	$out_vars['start'] = $feed_vars['start'];
809	// next page
810	if(($feed_vars['total'] > $this->maxmatches) &&
811	($feed_vars['total'] > $feed_vars['start'] + $this->maxmatches))
812	{
813	$out_vars['start'] = ($feed_vars['start'] + $this->maxmatches);
814	$return_array['next_page'] = $this->set_link_imap('right','right.png',lang('Next page'),$out_vars);
815	}
816	else
817	{
818	$return_array['next_page'] = $this->set_icon_imap('right','right-grey.png',lang('Next page'));
819	}
820	// last page
821	if(($feed_vars['start'] != $feed_vars['total'] - $this->maxmatches) &&
822	(($feed_vars['total'] - $this->maxmatches) > ($feed_vars['start'] + $this->maxmatches)))
823	{
824	$out_vars['start'] = ($feed_vars['total'] - $this->maxmatches);
825	$return_array['last_page'] = $this->set_link_imap('right','last.png',lang('Last page'),$out_vars);
826	}
827	else
828	{
829	$return_array['last_page'] = $this->set_icon_imap('right','last-grey.png',lang('Last page'));
830	}
831	return $return_array;
832	}
833
834	/*!
835	@function set_link_imap
836	@abstract ?
837	@param $img_src ?
838	@param $label ?
839	@param $link ?
840	@param $extravars ?
841	*/
842	function set_link_imap($align,$img,$alt_text,$out_vars)
843	{
844	$img_full = $GLOBALS['phpgw']->common->image('phpgwapi',$img);
845	$image_part = '<img src="'.$img_full.'" border="0" alt="'.$alt_text.'" width="12" height="12">';
846	return '<a href="'.$out_vars['common_uri'].'&start='.$out_vars['start'].'">'.$image_part.'</a>';
847	}
848
849	function set_icon_imap($align,$img,$alt_text)
850	{
851	$img_full = $GLOBALS['phpgw']->common->image('phpgwapi',$img);
852	return '<img src="'.$img_full.'" border="0" width="12" height="12" alt="'.$alt_text.'">'."\r\n";
853	}
854	} // End of nextmatchs class
855	?>

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