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   1  <?php /* $Id: calendar.class.php 139 2008-04-05 14:21:51Z pedroix $ $URL: https://web2project.svn.sourceforge.net/svnroot/web2project/trunk/modules/calendar/calendar.class.php $ */
   2  if (!defined('W2P_BASE_DIR')) {
   3      die('You should not access this file directly.');
   4  }
   5  
   6  ##

   7  ## Calendar classes

   8  ##

   9  
  10  require_once ($AppUI->getLibraryClass('PEAR/Date'));
  11  require_once ($AppUI->getSystemClass('w2p'));
  12  require_once $AppUI->getSystemClass('libmail');
  13  require_once $AppUI->getSystemClass('date');
  14  
  15  /**

  16   * Displays a configuration month calendar

  17   *

  18   * All Date objects are based on the PEAR Date package

  19   */
  20  class CMonthCalendar {
  21      /**#@+

  22      * @var Date

  23      */
  24      var $this_month;
  25      var $prev_month;
  26      var $next_month;
  27      var $prev_year;
  28      var $next_year;
  29      /**#@-*/

  30  
  31      /**

  32       @var string The css style name of the Title */
  33      var $styleTitle;
  34  
  35      /**

  36       @var string The css style name of the main calendar */
  37      var $styleMain;
  38  
  39      /**

  40       @var string The name of the javascript function that a 'day' link should call when clicked */
  41      var $callback;
  42  
  43      /**

  44       @var boolean Show the heading */
  45      var $showHeader;
  46  
  47      /**

  48       @var boolean Show the previous/next month arrows */
  49      var $showArrows;
  50  
  51      /**

  52       @var boolean Show the day name column headings */
  53      var $showDays;
  54  
  55      /**

  56       @var boolean Show the week link (no pun intended) in the first column */
  57      var $showWeek;
  58  
  59      /**

  60       @var boolean Show the month name as link */
  61      var $clickMonth;
  62  
  63      /**

  64       @var boolean Show events in the calendar boxes */
  65      var $showEvents;
  66  
  67      /**

  68       @var string */
  69      var $dayFunc;
  70  
  71      /**

  72       @var string */
  73      var $weekFunc;
  74  
  75      /**

  76       @var boolean Show highlighting in the calendar boxes */
  77      var $showHighlightedDays;
  78  
  79      /**

  80       * @param Date $date

  81       */
  82  	function CMonthCalendar($date = null) {
  83          $this->setDate($date);
  84  
  85          $this->classes = array();
  86          $this->callback = '';
  87          $this->showTitle = true;
  88          $this->showArrows = true;
  89          $this->showDays = true;
  90          $this->showWeek = true;
  91          $this->showEvents = true;
  92          $this->showHighlightedDays = true;
  93  
  94          $this->styleTitle = '';
  95          $this->styleMain = '';
  96  
  97          $this->dayFunc = '';
  98          $this->weekFunc = '';
  99  
 100          $this->events = array();
 101          $this->highlightedDays = array();
 102      }
 103  
 104      // setting functions

 105  
 106      /**

 107       * CMonthCalendar::setDate()

 108       *

 109       * { Description }

 110       *

 111       * @param [type] $date

 112       */
 113  	function setDate($date = null) {
 114          $this->this_month = new CDate($date);
 115  
 116          $d = $this->this_month->getDay();
 117          $m = $this->this_month->getMonth();
 118          $y = $this->this_month->getYear();
 119  
 120          $this->prev_year = new CDate($date);
 121          $this->prev_year->setYear($this->prev_year->getYear() - 1);
 122  
 123          $this->next_year = new CDate($date);
 124          $this->next_year->setYear($this->next_year->getYear() + 1);
 125  
 126          setlocale(LC_TIME, 'en');
 127          $date = Date_Calc::beginOfPrevMonth($d, $m, $y, FMT_TIMESTAMP_DATE);
 128          setlocale(LC_ALL, $AppUI->user_lang);
 129  
 130          $this->prev_month = new CDate($date);
 131  
 132          setlocale(LC_TIME, 'en');
 133          $date = Date_Calc::beginOfNextMonth($d, $m, $y, FMT_TIMESTAMP_DATE);
 134          setlocale(LC_ALL, $AppUI->user_lang);
 135          $this->next_month = new CDate($date);
 136  
 137      }
 138  
 139      /**

 140       * CMonthCalendar::setStyles()

 141       *

 142       * { Description }

 143       *

 144       */
 145  	function setStyles($title, $main) {
 146          $this->styleTitle = $title;
 147          $this->styleMain = $main;
 148      }
 149  
 150      /**

 151       * CMonthCalendar::setLinkFunctions()

 152       *

 153       * { Description }

 154       *

 155       * @param string $day

 156       * @param string $week

 157       */
 158  	function setLinkFunctions($day = '', $week = '') {
 159          $this->dayFunc = $day;
 160          $this->weekFunc = $week;
 161      }
 162  
 163      /**

 164       * CMonthCalendar::setCallback()

 165       *

 166       * { Description }

 167       *

 168       */
 169  	function setCallback($function) {
 170          $this->callback = $function;
 171      }
 172  
 173      /**

 174       * CMonthCalendar::setEvents()

 175       *

 176       * { Description }

 177       *

 178       */
 179  	function setEvents($e) {
 180          $this->events = $e;
 181      }
 182  
 183      /**

 184       * CMonthCalendar::setHighlightedDays()

 185       * ie     ['20040517'] => '#ff0000',

 186       *

 187       * { Description }

 188       *

 189       */
 190  	function setHighlightedDays($hd) {
 191          $this->highlightedDays = $hd;
 192      }
 193  
 194      // drawing functions

 195      /**

 196       * CMonthCalendar::show()

 197       *

 198       * { Description }

 199       *

 200       */
 201  	function show() {
 202          $s = '';
 203          if ($this->showTitle) {
 204              $s .= $this->_drawTitle();
 205          }
 206          $s .= '<table border="0" cellspacing="1" cellpadding="2" width="100%" class="' . $this->styleMain . '">';
 207  
 208          if ($this->showDays) {
 209              $s .= $this->_drawDays();
 210          }
 211  
 212          $s .= $this->_drawMain();
 213  
 214          $s .= '</table>';
 215  
 216          return $s;
 217      }
 218  
 219      /**

 220       * CMonthCalendar::_drawTitle()

 221       *

 222       * { Description }

 223       *

 224       */
 225  	function _drawTitle() {
 226          global $AppUI, $m, $a, $locale_char_set;
 227          $url = 'index.php?m=' . $m;
 228          $url .= $a ? '&amp;a=' . $a : '';
 229          $url .= isset($_GET['dialog']) ? '&amp;dialog=1' : '';
 230  
 231          $s = '<table border="0" cellspacing="0" cellpadding="3" width="100%" class="' . $this->styleTitle . '">';
 232          $s .= '<tr>';
 233  
 234          if ($this->showArrows) {
 235              $href = $url . '&amp;date=' . $this->prev_month->format(FMT_TIMESTAMP_DATE) . ($this->callback ? '&amp;callback=' . $this->callback : '') . ((count($this->highlightedDays) > 0) ? '&uts=' . key($this->highlightedDays) : '');
 236              $s .= '<td align="left">';
 237              $s .= '<a href="' . $href . '">' . w2PshowImage('prev.gif', 16, 16, $AppUI->_('previous month')) . '</a>';
 238              $s .= '</td>';
 239  
 240          }
 241  
 242          $s .= '<th width="99%" align="center">';
 243          if ($this->clickMonth) {
 244              $s .= '<a href="index.php?m=' . $m . '&amp;date=' . $this->this_month->format(FMT_TIMESTAMP_DATE) . '">';
 245          }
 246          setlocale(LC_TIME, 'en');
 247          $s .= $AppUI->_($this->this_month->format('%B')) . ' ' . $AppUI->_($this->this_month->format('%Y')) . (($this->clickMonth) ? '</a>' : '');
 248          setlocale(LC_ALL, $AppUI->user_lang);
 249          $s .= '</th>';
 250  
 251          if ($this->showArrows) {
 252              $href = ($url . '&amp;date=' . $this->next_month->format(FMT_TIMESTAMP_DATE) . (($this->callback) ? ('&amp;callback=' . $this->callback) : '') . ((count($this->highlightedDays) > 0) ? ('&amp;uts=' . key($this->highlightedDays)) : ''));
 253              $s .= '<td align="right">';
 254              $s .= ('<a href="' . $href . '">' . w2PshowImage('next.gif', 16, 16, $AppUI->_('next month')) . '</a>');
 255              $s .= '</td>';
 256          }
 257  
 258          $s .= '</tr>';
 259          $s .= '</table>';
 260  
 261          return $s;
 262      }
 263      /**

 264       * CMonthCalendar::_drawDays()

 265       *

 266       * { Description }

 267       *

 268       * @return string Returns table a row with the day names

 269       */
 270  	function _drawDays() {
 271          global $AppUI, $locale_char_set;
 272  
 273          setlocale(LC_TIME, 'en');
 274          $wk = Date_Calc::getCalendarWeek(null, null, null, '%a', LOCALE_FIRST_DAY);
 275          setlocale(LC_ALL, $AppUI->user_lang);
 276  
 277          $s = (($this->showWeek) ? ('<th>&nbsp;</th>') : '');
 278          foreach ($wk as $day) {
 279              $s .= ('<th width="14%">' . $AppUI->_($day) . '</th>');
 280          }
 281  
 282          return ('<tr>' . $s . '</tr>');
 283      }
 284  
 285      /**

 286       * CMonthCalendar::_drawMain()

 287       *

 288       * { Description }

 289       *

 290       */
 291  	function _drawMain() {
 292          global $AppUI;
 293          $today = new CDate();
 294          $today = $today->format('%Y%m%d%w');
 295  
 296          $date = $this->this_month;
 297          $this_day = intval($date->getDay());
 298          $this_month = intval($date->getMonth());
 299          $this_year = intval($date->getYear());
 300          setlocale(LC_TIME, 'en');
 301          $cal = Date_Calc::getCalendarMonth($this_month, $this_year, '%Y%m%d%w', LOCALE_FIRST_DAY);
 302          setlocale(LC_ALL, $AppUI->user_lang);
 303  
 304          $df = $AppUI->getPref('SHDATEFORMAT');
 305  
 306          $html = '';
 307          foreach ($cal as $week) {
 308              $html .= '<tr>';
 309              if ($this->showWeek) {
 310                  $html .= '<td class="week">';
 311                  $html .= $this->dayFunc ? "<a href=\"javascript:$this->weekFunc('$week[0]')\">" : '';
 312                  $html .= '<img src="' . w2PfindImage('view.week.gif') . '" width="16" height="15" border="0" alt="Week View" /></a>';
 313                  $html .= $this->dayFunc ? '</a>' : '';
 314                  $html .= '</td>';
 315              }
 316  
 317              foreach ($week as $day) {
 318                  $this_day = new CDate($day);
 319                  $y = intval(substr($day, 0, 4));
 320                  $m = intval(substr($day, 4, 2));
 321                  $d = intval(substr($day, 6, 2));
 322                  $dow = intval(substr($day, 8, 1));
 323                  $cday = intval(substr($day, 0, 8));
 324  
 325                  //If we are on minical mode and we find tasks or events for this day then lets color code the cell depending on that

 326                  if (array_key_exists($cday, $this->events) && $this->styleMain == 'minical') {
 327                      $nr_tasks = 0;
 328                      $nr_events = 0;
 329                      //lets count tasks and events

 330                      foreach ($this->events[$cday] as $record) {
 331                          if ($record['task']) {
 332                              ++$nr_tasks;
 333                          } else {
 334                              ++$nr_events;
 335                          }
 336                      }
 337                      if ($nr_events && $nr_tasks) {
 338                          //if we find both

 339                          $class = 'eventtask';
 340                      } elseif ($nr_events) {
 341                          //if we just find events

 342                          $class = 'event';
 343                      } elseif ($nr_tasks) {
 344                          //if we just find tasks

 345                          $class = 'task';
 346                      }
 347                      if ($day == $today) {
 348                          $class .= 'today';
 349                      }
 350                  } elseif ($m != $this_month) {
 351                      $class = 'empty';
 352                  } elseif ($day == $today) {
 353                      $class = 'today';
 354                  } elseif ($dow == 0 || $dow == 6) {
 355                      $class = 'weekend';
 356                  } else {
 357                      $class = 'day';
 358                  }
 359                  $day = substr($day, 0, 8);
 360                  $html .= '<td class="' . $class . '"';
 361                  if ($this->showHighlightedDays && isset($this->highlightedDays[$day])) {
 362                      $html .= ' style="border: 1px solid ' . $this->highlightedDays[$day] . '"';
 363                  }
 364                  $html .= ' onclick="' . $this->dayFunc . '(\'' . $day . '\',\'' . $this_day->format($df) . '\')' . '">';
 365                  if ($m == $this_month) {
 366                      if ($this->dayFunc) {
 367                          $html .= "<a href=\"javascript:$this->dayFunc('$day','" . $this_day->format($df) . "')\" class=\"$class\">";
 368                          $html .= $d;
 369                          $html .= '</a>';
 370                      } else {
 371                          $html .= $d;
 372                      }
 373                      if ($this->showEvents) {
 374                          $html .= $this->_drawEvents(substr($day, 0, 8));
 375                      }
 376                  }
 377                  $html .= '</td>';
 378              }
 379              $html .= '</tr>';
 380          }
 381          return $html;
 382      }
 383  
 384      /**

 385       * CMonthCalendar::_drawWeek()

 386       *

 387       * { Description }

 388       *

 389       */
 390  	function _drawWeek($dateObj) {
 391          $href = "javascript:$this->weekFunc(" . $dateObj->getTimestamp() . ',\'' . $dateObj->toString() . '\')';
 392          $w = '        <td class="week">';
 393          $w .= $this->dayFunc ? '<a href="' . $href . '">' : '';
 394          $w .= '<img src="' . w2PfindImage('view.week.gif') . '" width="16" height="15" border="0" alt="Week View" /></a>';
 395          $w .= $this->dayFunc ? '</a>' : '';
 396          $w .= '</td>';
 397          return $w;
 398      }
 399  
 400      /**

 401       * CMonthCalendar::_drawEvents()

 402       *

 403       * { Description }

 404       *

 405       */
 406  	function _drawEvents($day) {
 407          $s = '';
 408          if (!isset($this->events[$day]) || $this->styleMain == 'minical') {
 409              return '';
 410          }
 411          $events = $this->events[$day];
 412          foreach ($events as $e) {
 413              $href = isset($e['href']) ? $e['href'] : null;
 414              $alt = isset($e['alt']) ? str_replace("\n", ' ', $e['alt']) : null;
 415  
 416              $s .= '<br />';
 417              $s .= $href ? '<a href="'.$href.'" class="event" title="'.$alt.'">' : '';
 418              $s .= $e['text'];
 419              $s .= $href ? '</a>' : '';
 420          }
 421          return $s;
 422      }
 423  }
 424  
 425  /**

 426   * Event Class

 427   *

 428   * { Description }

 429   *

 430   */
 431  class CEvent extends CW2pObject {
 432      /**

 433       @var int */
 434      var $event_id = null;
 435  
 436      /**

 437       @var string The title of the event */
 438      var $event_title = null;
 439  
 440      var $event_start_date = null;
 441      var $event_end_date = null;
 442      var $event_parent = null;
 443      var $event_description = null;
 444      var $event_times_recuring = null;
 445      var $event_recurs = null;
 446      var $event_remind = null;
 447      var $event_icon = null;
 448      var $event_owner = null;
 449      var $event_project = null;
 450      var $event_private = null;
 451      var $event_type = null;
 452      var $event_notify = null;
 453      var $event_cwd = null;
 454  
 455  	function CEvent() {
 456          $this->CW2pObject('events', 'event_id');
 457      }
 458  
 459      // overload check operation

 460  	function check() {
 461          // ensure changes to check boxes and select lists are honoured

 462          $this->event_private = intval($this->event_private);
 463          $this->event_type = intval($this->event_type);
 464          $this->event_cwd = intval($this->event_cwd);
 465          //If the event recurs then set the end date day to be equal to the start date day and keep the hour:minute of the end date

 466          //so that the event starts recurring from the start day onwards n times after the start date for the period given

 467          //Meaning: The event end date day is useless as far as recurring events are concerned.

 468          if ($this->event_recurs) {
 469              $start_date = new CDate($this->event_start_date);
 470              $end_date = new CDate($this->event_end_date);
 471              $hour = $end_date->