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   1  <?php
   2  /**
   3   * Smarty plugin
   4   * @package Smarty
   5   * @subpackage plugins
   6   */
   7  
   8  /**
   9   * Smarty {html_select_date} plugin
  10   *
  11   * Type:     function<br>
  12   * Name:     html_select_date<br>
  13   * Purpose:  Prints the dropdowns for date selection.
  14   *
  15   * ChangeLog:<br>
  16   *           - 1.0 initial release
  17   *           - 1.1 added support for +/- N syntax for begin
  18   *                and end year values. (Monte)
  19   *           - 1.2 added support for yyyy-mm-dd syntax for
  20   *                time value. (Jan Rosier)
  21   *           - 1.3 added support for choosing format for
  22   *                month values (Gary Loescher)
  23   *           - 1.3.1 added support for choosing format for
  24   *                day values (Marcus Bointon)
  25   *           - 1.3.2 suppport negative timestamps, force year
  26   *             dropdown to include given date unless explicitly set (Monte)
  27   * @link http://smarty.php.net/manual/en/language.function.html.select.date.php {html_select_date}
  28   *      (Smarty online manual)
  29   * @version 1.3.2
  30   * @author Andrei Zmievski
  31   * @author Monte Ohrt <monte at ohrt dot com>
  32   * @param array
  33   * @param Smarty
  34   * @return string
  35   */
  36  function smarty_function_html_select_date($params, &$smarty)
  37  {
  38      require_once $smarty->_get_plugin_filepath('shared','escape_special_chars');
  39      require_once $smarty->_get_plugin_filepath('shared','make_timestamp');
  40      require_once $smarty->_get_plugin_filepath('function','html_options');
  41      /* Default values. */
  42      $prefix          = "Date_";
  43      $start_year      = strftime("%Y");
  44      $end_year        = $start_year;
  45      $display_days    = true;
  46      $display_months  = true;
  47      $display_years   = true;
  48      $month_format    = "%B";
  49      /* Write months as numbers by default  GL */
  50      $month_value_format = "%m";
  51      $day_format      = "%02d";
  52      /* Write day values using this format MB */
  53      $day_value_format = "%d";
  54      $year_as_text    = false;
  55      /* Display years in reverse order? Ie. 2000,1999,.... */
  56      $reverse_years   = false;
  57      /* Should the select boxes be part of an array when returned from PHP?
  58         e.g. setting it to "birthday", would create "birthday[Day]",
  59         "birthday[Month]" & "birthday[Year]". Can be combined with prefix */
  60      $field_array     = null;
  61      /* <select size>'s of the different <select> tags.
  62         If not set, uses default dropdown. */
  63      $day_size        = null;
  64      $month_size      = null;
  65      $year_size       = null;
  66      /* Unparsed attributes common to *ALL* the <select>/<input> tags.
  67         An example might be in the template: all_extra ='class ="foo"'. */
  68      $all_extra       = null;
  69      /* Separate attributes for the tags. */
  70      $day_extra       = null;
  71      $month_extra     = null;
  72      $year_extra      = null;
  73      /* Order in which to display the fields.
  74         "D" -> day, "M" -> month, "Y" -> year. */
  75      $field_order     = 'MDY';
  76      /* String printed between the different fields. */
  77      $field_separator = "\n";
  78      $time = time();
  79      $all_empty       = null;
  80      $day_empty       = null;
  81      $month_empty     = null;
  82      $year_empty      = null;
  83      $extra_attrs     = '';
  84  
  85      foreach ($params as $_key=>$_value) {
  86          switch ($_key) {
  87              case 'prefix':
  88              case 'time':
  89              case 'start_year':
  90              case 'end_year':
  91              case 'month_format':
  92              case 'day_format':
  93              case 'day_value_format':
  94              case 'field_array':
  95              case 'day_size':
  96              case 'month_size':
  97              case 'year_size':
  98              case 'all_extra':
  99              case 'day_extra':
 100              case 'month_extra':
 101              case 'year_extra':
 102              case 'field_order':
 103              case 'field_separator':
 104              case 'month_value_format':
 105              case 'month_empty':
 106              case 'day_empty':
 107              case 'year_empty':
 108                  $$_key = (string)$_value;
 109                  break;
 110  
 111              case 'all_empty':
 112                  $$_key = (string)$_value;
 113                  $day_empty = $month_empty = $year_empty = $all_empty;
 114                  break;
 115  
 116              case 'display_days':
 117              case 'display_months':
 118              case 'display_years':
 119              case 'year_as_text':
 120              case 'reverse_years':
 121                  $$_key = (bool)$_value;
 122                  break;
 123  
 124              default:
 125                  if(!is_array($_value)) {
 126                      $extra_attrs .= ' '.$_key.'="'.smarty_function_escape_special_chars($_value).'"';
 127                  } else {
 128                      $smarty->trigger_error("html_select_date: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
 129                  }
 130                  break;
 131          }
 132      }
 133  
 134      if(preg_match('!^-\d+$!',$time)) {
 135          // negative timestamp, use date()
 136          $time = date('Y-m-d',$time);
 137      }
 138      // If $time is not in format yyyy-mm-dd
 139      if (!preg_match('/^\d{0,4}-\d{0,2}-\d{0,2}$/', $time)) {
 140          // use smarty_make_timestamp to get an unix timestamp and
 141          // strftime to make yyyy-mm-dd
 142          $time = strftime('%Y-%m-%d', smarty_make_timestamp($time));
 143      }
 144      // Now split this in pieces, which later can be used to set the select
 145      $time = explode("-", $time);
 146      
 147      // make syntax "+N" or "-N" work with start_year and end_year
 148      if (preg_match('!^(\+|\-)\s*(\d+)$!', $end_year, $match)) {
 149          if ($match[1] == '+') {
 150              $end_year = strftime('%Y') + $match[2];
 151          } else {
 152              $end_year = strftime('%Y') - $match[2];
 153          }
 154      }
 155      if (preg_match('!^(\+|\-)\s*(\d+)$!', $start_year, $match)) {
 156          if ($match[1] == '+') {
 157              $start_year = strftime('%Y') + $match[2];
 158          } else {
 159              $start_year = strftime('%Y') - $match[2];
 160          }
 161      }
 162      if (strlen($time[0]) > 0) { 
 163          if ($start_year > $time[0] && !isset($params['start_year'])) {
 164              // force start year to include given date if not explicitly set
 165              $start_year = $time[0];
 166          }
 167          if($end_year < $time[0] && !isset($params['end_year'])) {
 168              // force end year to include given date if not explicitly set
 169              $end_year = $time[0];
 170          }
 171      }
 172  
 173      $field_order = strtoupper($field_order);
 174  
 175      $html_result = $month_result = $day_result = $year_result = "";
 176  
 177      if ($display_months) {
 178          $month_names = array();
 179          $month_values = array();
 180          if(isset($month_empty)) {
 181              $month_names[''] = $month_empty;
 182              $month_values[''] = '';
 183          }
 184          for ($i = 1; $i <= 12; $i++) {
 185              $month_names[$i] = strftime($month_format, mktime(0, 0, 0, $i, 1, 2000));
 186              $month_values[$i] = strftime($month_value_format, mktime(0, 0, 0, $i, 1, 2000));
 187          }
 188  
 189          $month_result .= '<select name=';
 190          if (null !== $field_array){
 191              $month_result .= '"' . $field_array . '[' . $prefix . 'Month]"';
 192          } else {
 193              $month_result .= '"' . $prefix . 'Month"';
 194          }
 195          if (null !== $month_size){
 196              $month_result .= ' size="' . $month_size . '"';
 197          }
 198          if (null !== $month_extra){
 199              $month_result .= ' ' . $month_extra;
 200          }
 201          if (null !== $all_extra){
 202              $month_result .= ' ' . $all_extra;
 203          }
 204          $month_result .= $extra_attrs . '>'."\n";
 205  
 206          $month_result .= smarty_function_html_options(array('output'     => $month_names,
 207                                                              'values'     => $month_values,
 208                                                              'selected'   => (int)$time[1] ? strftime($month_value_format, mktime(0, 0, 0, (int)$time[1], 1, 2000)) : '',
 209                                                              'print_result' => false),
 210                                                        $smarty);
 211          $month_result .= '</select>';
 212      }
 213  
 214      if ($display_days) {
 215          $days = array();
 216          if (isset($day_empty)) {
 217              $days[''] = $day_empty;
 218              $day_values[''] = '';
 219          }
 220          for ($i = 1; $i <= 31; $i++) {
 221              $days[] = sprintf($day_format, $i);
 222              $day_values[] = sprintf($day_value_format, $i);
 223          }
 224  
 225          $day_result .= '<select name=';
 226          if (null !== $field_array){
 227              $day_result .= '"' . $field_array . '[' . $prefix . 'Day]"';
 228          } else {
 229              $day_result .= '"' . $prefix . 'Day"';
 230          }
 231          if (null !== $day_size){
 232              $day_result .= ' size="' . $day_size . '"';
 233          }
 234          if (null !== $all_extra){
 235              $day_result .= ' ' . $all_extra;
 236          }
 237          if (null !== $day_extra){
 238              $day_result .= ' ' . $day_extra;
 239          }
 240          $day_result .= $extra_attrs . '>'."\n";
 241          $day_result .= smarty_function_html_options(array('output'     => $days,
 242                                                            'values'     => $day_values,
 243                                                            'selected'   => $time[2],
 244                                                            'print_result' => false),
 245                                                      $smarty);
 246          $day_result .= '</select>';
 247      }
 248  
 249      if ($display_years) {
 250          if (null !== $field_array){
 251              $year_name = $field_array . '[' . $prefix . 'Year]';
 252          } else {
 253              $year_name = $prefix . 'Year';
 254          }
 255          if ($year_as_text) {
 256              $year_result .= '<input type="text" name="' . $year_name . '" value="' . $time[0] . '" size="4" maxlength="4"';
 257              if (null !== $all_extra){
 258                  $year_result .= ' ' . $all_extra;
 259              }
 260              if (null !== $year_extra){
 261                  $year_result .= ' ' . $year_extra;
 262              }
 263              $year_result .= ' />';
 264          } else {
 265              $years = range((int)$start_year, (int)$end_year);
 266              if ($reverse_years) {
 267                  rsort($years, SORT_NUMERIC);
 268              } else {
 269                  sort($years, SORT_NUMERIC);
 270              }
 271              $yearvals = $years;
 272              if(isset($year_empty)) {
 273                  array_unshift($years, $year_empty);
 274                  array_unshift($yearvals, '');
 275              }
 276              $year_result .= '<select name="' . $year_name . '"';
 277              if (null !== $year_size){
 278                  $year_result .= ' size="' . $year_size . '"';
 279              }
 280              if (null !== $all_extra){
 281                  $year_result .= ' ' . $all_extra;
 282              }
 283              if (null !== $year_extra){
 284                  $year_result .= ' ' . $year_extra;
 285              }
 286              $year_result .= $extra_attrs . '>'."\n";
 287              $year_result .= smarty_function_html_options(array('output' => $years,
 288                                                                 'values' => $yearvals,
 289                                                                 'selected'   => $time[0],
 290                                                                 'print_result' => false),
 291                                                           $smarty);
 292              $year_result .= '</select>';
 293          }
 294      }
 295  
 296      // Loop thru the field_order field
 297      for ($i = 0; $i <= 2; $i++){
 298          $c = substr($field_order, $i, 1);
 299          switch ($c){
 300              case 'D':
 301                  $html_result .= $day_result;
 302                  break;
 303  
 304              case 'M':
 305                  $html_result .= $month_result;
 306                  break;
 307  
 308              case 'Y':
 309                  $html_result .= $year_result;
 310                  break;
 311          }
 312          // Add the field seperator
 313          if($i != 2) {
 314              $html_result .= $field_separator;
 315          }
 316      }
 317  
 318      return $html_result;
 319  }
 320  
 321  /* vim: set expandtab: */
 322  
 323  ?>