source: branches/1.2/workflow/inc/smarty/plugins/function.cycle.php @ 1349

Revision 1349, 3.1 KB checked in by niltonneto, 15 years ago (diff)

Ticket #561 - Inclusão do módulo Workflow faltante nessa versão.

  • Property svn:executable set to *
Line 
1<?php
2/**
3 * Smarty plugin
4 * @package Smarty
5 * @subpackage plugins
6 */
7
8/**
9 * Smarty {cycle} function plugin
10 *
11 * Type:     function<br>
12 * Name:     cycle<br>
13 * Date:     May 3, 2002<br>
14 * Purpose:  cycle through given values<br>
15 * Input:
16 *         - name = name of cycle (optional)
17 *         - values = comma separated list of values to cycle,
18 *                    or an array of values to cycle
19 *                    (this can be left out for subsequent calls)
20 *         - reset = boolean - resets given var to true
21 *         - print = boolean - print var or not. default is true
22 *         - advance = boolean - whether or not to advance the cycle
23 *         - delimiter = the value delimiter, default is ","
24 *         - assign = boolean, assigns to template var instead of
25 *                    printed.
26 *
27 * Examples:<br>
28 * <pre>
29 * {cycle values="#eeeeee,#d0d0d0d"}
30 * {cycle name=row values="one,two,three" reset=true}
31 * {cycle name=row}
32 * </pre>
33 * @link http://smarty.php.net/manual/en/language.function.cycle.php {cycle}
34 *       (Smarty online manual)
35 * @author Monte Ohrt <monte at ohrt dot com>
36 * @author credit to Mark Priatel <mpriatel@rogers.com>
37 * @author credit to Gerard <gerard@interfold.com>
38 * @author credit to Jason Sweat <jsweat_php@yahoo.com>
39 * @version  1.3
40 * @param array
41 * @param Smarty
42 * @return string|null
43 */
44function smarty_function_cycle($params, &$smarty)
45{
46    static $cycle_vars;
47   
48    $name = (empty($params['name'])) ? 'default' : $params['name'];
49    $print = (isset($params['print'])) ? (bool)$params['print'] : true;
50    $advance = (isset($params['advance'])) ? (bool)$params['advance'] : true;
51    $reset = (isset($params['reset'])) ? (bool)$params['reset'] : false;
52           
53    if (!in_array('values', array_keys($params))) {
54        if(!isset($cycle_vars[$name]['values'])) {
55            $smarty->trigger_error("cycle: missing 'values' parameter");
56            return;
57        }
58    } else {
59        if(isset($cycle_vars[$name]['values'])
60            && $cycle_vars[$name]['values'] != $params['values'] ) {
61            $cycle_vars[$name]['index'] = 0;
62        }
63        $cycle_vars[$name]['values'] = $params['values'];
64    }
65
66    $cycle_vars[$name]['delimiter'] = (isset($params['delimiter'])) ? $params['delimiter'] : ',';
67   
68    if(is_array($cycle_vars[$name]['values'])) {
69        $cycle_array = $cycle_vars[$name]['values'];
70    } else {
71        $cycle_array = explode($cycle_vars[$name]['delimiter'],$cycle_vars[$name]['values']);
72    }
73   
74    if(!isset($cycle_vars[$name]['index']) || $reset ) {
75        $cycle_vars[$name]['index'] = 0;
76    }
77   
78    if (isset($params['assign'])) {
79        $print = false;
80        $smarty->assign($params['assign'], $cycle_array[$cycle_vars[$name]['index']]);
81    }
82       
83    if($print) {
84        $retval = $cycle_array[$cycle_vars[$name]['index']];
85    } else {
86        $retval = null;
87    }
88
89    if($advance) {
90        if ( $cycle_vars[$name]['index'] >= count($cycle_array) -1 ) {
91            $cycle_vars[$name]['index'] = 0;
92        } else {
93            $cycle_vars[$name]['index']++;
94        }
95    }
96   
97    return $retval;
98}
99
100/* vim: set expandtab: */
101
102?>
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