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Редакция | Автор | № строки | Строка |
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304 | alex-w | 1 | <?php |
2 | /** |
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3 | * Smarty plugin |
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4 | * @package Smarty |
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5 | * @subpackage PluginsFunction |
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6 | */ |
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7 | |||
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 | * |
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16 | * Examples:<br> |
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17 | * <pre> |
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18 | * {cycle values="#eeeeee,#d0d0d0d"} |
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19 | * {cycle name=row values="one,two,three" reset=true} |
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20 | * {cycle name=row} |
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21 | * </pre> |
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22 | * @link http://smarty.php.net/manual/en/language.function.cycle.php {cycle} |
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23 | * (Smarty online manual) |
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24 | * @author Monte Ohrt <monte at ohrt dot com> |
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25 | * @author credit to Mark Priatel <mpriatel@rogers.com> |
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26 | * @author credit to Gerard <gerard@interfold.com> |
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27 | * @author credit to Jason Sweat <jsweat_php@yahoo.com> |
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28 | * @param array $params parameters |
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29 | * Input: |
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30 | * - name = name of cycle (optional) |
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31 | * - values = comma separated list of values to cycle, |
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32 | * or an array of values to cycle |
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33 | * (this can be left out for subsequent calls) |
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34 | * - reset = boolean - resets given var to true |
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35 | * - print = boolean - print var or not. default is true |
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36 | * - advance = boolean - whether or not to advance the cycle |
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37 | * - delimiter = the value delimiter, default is "," |
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38 | * - assign = boolean, assigns to template var instead of |
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39 | * printed. |
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40 | * @param object $smarty Smarty object |
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41 | * @param object $template template object |
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42 | * @return string|null |
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43 | */ |
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44 | function smarty_function_cycle($params, $smarty, $template) |
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45 | { |
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46 | $name = (empty($params['name'])) ? 'default' : $params['name']; |
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47 | $print = (isset($params['print'])) ? (bool)$params['print'] : true; |
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48 | $advance = (isset($params['advance'])) ? (bool)$params['advance'] : true; |
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49 | $reset = (isset($params['reset'])) ? (bool)$params['reset'] : false; |
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50 | |||
51 | if (!in_array('values', array_keys($params))) { |
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52 | if(!isset($template->plugin_data['cycle'][$name]['values'])) { |
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53 | throw new Exception ("cycle: missing 'values' parameter"); |
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54 | return; |
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55 | } |
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56 | } else { |
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57 | if(isset($template->plugin_data['cycle'][$name]['values']) |
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58 | && $template->plugin_data['cycle'][$name]['values'] != $params['values'] ) { |
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59 | $template->plugin_data['cycle'][$name]['index'] = 0; |
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60 | } |
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61 | $template->plugin_data['cycle'][$name]['values'] = $params['values']; |
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62 | } |
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63 | |||
64 | $template->plugin_data['cycle'][$name]['delimiter'] = (isset($params['delimiter'])) ? $params['delimiter'] : ','; |
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65 | |||
66 | if(is_array($template->plugin_data['cycle'][$name]['values'])) { |
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67 | $cycle_array = $template->plugin_data['cycle'][$name]['values']; |
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68 | } else { |
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69 | $cycle_array = explode($template->plugin_data['cycle'][$name]['delimiter'],$template->plugin_data['cycle'][$name]['values']); |
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70 | } |
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71 | |||
72 | if(!isset($template->plugin_data['cycle'][$name]['index']) || $reset ) { |
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73 | $template->plugin_data['cycle'][$name]['index'] = 0; |
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74 | } |
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75 | |||
76 | if (isset($params['assign'])) { |
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77 | $print = false; |
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78 | $template->assign($params['assign'], $cycle_array[$template->plugin_data['cycle'][$name]['index']]); |
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79 | } |
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80 | |||
81 | if($print) { |
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82 | $retval = $cycle_array[$template->plugin_data['cycle'][$name]['index']]; |
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83 | } else { |
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84 | $retval = null; |
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85 | } |
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86 | |||
87 | if($advance) { |
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88 | if ( $template->plugin_data['cycle'][$name]['index'] >= count($cycle_array) -1 ) { |
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89 | $template->plugin_data['cycle'][$name]['index'] = 0; |
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90 | } else { |
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91 | $template->plugin_data['cycle'][$name]['index']++; |
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92 | } |
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93 | } |
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94 | |||
95 | return $retval; |
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96 | } |
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97 | ?> |