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