1 <?php
  2 
  3 class CalendarWidget extends ViewableData {
  4 
  5     function __construct($controller, sfDate $start_date = null, $end_date = null, $default_view = false) {
  6         if ($start_date === null)
  7             $start_date = new sfDate();
  8         if ($end_date === null || !$end_date instanceof sfDate)
  9             $end_date = $start_date;
 10 
 11         $range_start = $default_view ? "null" : "'" . $start_date->format('Y-m-d') . "'";
 12         $range_end = $default_view ? "null" : "'" . $end_date->format('Y-m-d') . "'";
 13         $month_view = "'" . ($start_date->format('m') - 1) . "'";
 14         $year_view = "'" . $start_date->format('Y') . "'";
 15 
 16         Requirements::customScript("
 17             var controller_url_segment = '" . $controller->AbsoluteLink() . "'; 
 18             var current_url_segment = '" . Controller::curr()->Link() . "';
 19             var start_date = $range_start;  
 20             var end_date = $range_end; 
 21             var month_view = $month_view; 
 22             var year_view = $year_view;
 23         ");
 24 
 25         $file = _t('CalendarWidget.LOCALEFILE', 'date_en.js');
 26 
 27         Requirements::javascript("calendar_base/javascript/locale/$file");
 28     }
 29 
 30     public function forTemplate() {
 31         return $this->renderWith('CalendarWidget');
 32     }
 33 
 34 }
 35 
 36 class MonthNavigator extends ViewableData {
 37 
 38     public function __construct($controller, sfDate $start_date = null) {
 39         if ($start_date === null)
 40             $start_date = new sfDate();
 41         Requirements::customScript("
 42             var controller_url_segment = '" . $controller->Link() . "'; 
 43             var current_url_segment = '" . Controller::curr()->Link() . "';
 44         ");
 45 
 46         $start = new sfDate($start_date->firstDayOfMonth()->dump());
 47         $end = new sfDate($start_date->firstDayOfMonth()->dump());
 48 
 49         $start->subtractMonth(6);
 50         $end->addMonth(6);
 51 
 52         $map = array();
 53         while ($start->get() < $end->get()) {
 54             $map[$start->format('Y-m')] = CalendarUtil::i18n_date("%B %Y", $start->get());
 55             $start->addMonth();
 56         }
 57         unset($start, $end);
 58 
 59         $this->Dropdown = new DropdownField('MonthNavigator', null, $map, $start_date->reset()->format('Y-m'));
 60     }
 61 
 62     public function forTemplate() {
 63         return $this->renderWith('MonthNavigator');
 64     }
 65 
 66 }
 67 
 68 class LiveCalendarWidget extends ViewableData {
 69 
 70     protected $calendar;
 71     protected $calendar_class;
 72     protected $start_date;
 73     protected $end_date;
 74     protected $default_view;
 75     protected $anchor_start;
 76     protected $anchor_end;
 77     protected $date_counter;
 78     protected $calendarHeader;
 79     protected $startDayOfMonth;
 80     protected $lastDateOfMonth;
 81     protected $rows;
 82 
 83     public function __construct(Calendar $calendar, $start_date = null, $end_date = null, $default_view = false) {
 84         $this->calendar = $calendar->hasMethod('getModel') ? $calendar->getModel() : $calendar;
 85         $this->calendar_class = $calendar->class;
 86         $this->default_view = $default_view;
 87         if (is_string($start_date))
 88             $this->start_date = new sfDate($start_date);
 89         else if ($start_date instanceof sfDate)
 90             $this->start_date = new sfDate($start_date->get());
 91         else
 92             $this->start_date = new sfDate();
 93         $this->date_counter = new sfDate($this->start_date->get());
 94         if (!Director::is_ajax())
 95             $this->anchor_start = new sfDate($this->start_date->get());
 96 
 97         if (is_string($end_date))
 98             $this->end_date = new sfDate($end_date);
 99         else if ($end_date instanceof sfDate)
100             $this->end_date = $end_date;
101         else
102             $this->end_date = new sfDate();
103         if (!Director::is_ajax())
104             $this->anchor_end = new sfDate($this->end_date->get());
105 
106         $this->date_counter->firstDayOfMonth();
107         $this->calendarHeader = CalendarUtil::i18n_date('%B', $this->date_counter->get()) . " " . $this->date_counter->retrieve(sfTime::YEAR);
108         $this->startDayOfMonth = $this->date_counter->firstDayOfMonth()->format('N');
109         $this->lastDateOfMonth = $this->date_counter->finalDayOfMonth()->format('j');
110         $this->rows = ceil(($this->startDayOfMonth + $this->lastDateOfMonth) / 7);
111     }
112 
113     public function setAnchorStart($date) {
114         $this->anchor_start = new sfDate(CalendarUtil::getDateFromString($date));
115     }
116 
117     public function setAnchorEnd($date) {
118         $this->anchor_end = new sfDate(CalendarUtil::getDateFromString($date));
119     }
120 
121     public function Link($action = null) {
122         if ($action === null)
123             $action = "";
124         return Director::baseURL() . "LiveCalendarWidget_Controller" . "/$action";
125     }
126 
127     public function ShowMonthLink($month) {
128         $default_view = $this->default_view ? "1" : "0";
129         if ($this->anchor_start && $this->anchor_end) {
130             return $this->Link('show') . "/" . $month . "/" . $this->anchor_start->format('Ymd') . "/" . $this->anchor_end->format('Ymd') . "/" . $this->calendar->class . "/" . $this->calendar->ID . "/" . $default_view;
131         }
132     }
133 
134     protected function getQuickMonthLink() {
135         $d = new sfDate();
136         return $this->calendar->AbsoluteLink() . "view/" . $d->firstDayOfMonth()->format('Ym');
137     }
138 
139     protected function getQuickWeekLink() {
140         $d = new sfDate();
141         return $this->calendar->AbsoluteLink() . "view/" . $d->firstDayOfWeek()->format('Ymd') . "/" . $d->finalDayOfWeek()->format('Ymd');
142     }
143 
144     protected function getQuickWeekendLink() {
145         $d = new sfDate();
146         // Saturday? Dial back to Friday
147         if ($d->format('N') == 7)
148             $d->previousDay();
149         // Before Friday? Advance. Otherwise, it's Friday, so leave it alone.
150         else if ($d->format('N') < 6)
151             $d->nextDay(sfTime::FRIDAY);
152 
153         return $this->calendar->AbsoluteLink() . "view/" . $d->format('Ymd') . "/" . $d->addDay(2)->format('Ymd');
154     }
155 
156     protected function getEventsFor($start, $end) {
157         $events = $this->calendar->Events(null, $start, $end);
158         $map = array();
159         if ($events) {
160             foreach ($events as $event) {
161                 if ($event->EndDate && $event->EndDate != $event->StartDate) {
162                     $current_event = new sfDate($event->StartDate);
163                     while ($current_event->date() != $event->EndDate) {
164                         $map[] = $current_event->date();
165                         $current_event->addDay();
166                     }
167                     $map[] = $event->EndDate;
168                 }
169                 else
170                     $map[] = $event->StartDate;
171             }
172         }
173         return $map;
174     }
175 
176     protected function getWeeks() {
177         $weeks = new DataObjectSet();
178         $today = new sfDate();
179         $today->clearTime();
180         $this->date_counter->firstDayOfMonth()->firstDayOfWeek();
181         $view_start = new sfDate($this->date_counter->get());
182         $view_end = new sfDate($view_start->addDay($this->rows * 7)->subtractDay()->get());
183         $view_start->reset();
184         $this->start_date->reset();
185         $event_map = $this->getEventsFor($view_start, $view_end);
186 
187         for ($i = 0; $i < $this->rows; $i++) {
188             $days = new DataObjectSet();
189             $week_range_start = $this->date_counter->format('Ymd');
190             for ($j = 0; $j < 7; $j++) {
191                 $current_day = "";
192                 if (!$this->default_view) {
193                     if ($this->date_counter && $this->anchor_start && $this->anchor_end && ($this->date_counter->get() >= $this->anchor_start->get()) && ($this->date_counter->get() <= $this->anchor_end->get()))
194                         $current_day = "currentDay";
195                 }
196                 $days->push(new ArrayData(array(
197                             'Today' => $this->date_counter->get() == $today->get() ? "calendarToday" : "",
198                             'OutOfMonth' => $this->date_counter->format('m') != $this->start_date->format('m') ? "calendarOutOfMonth" : "",
199                             'CurrentDay' => $current_day,
200                             'HasEvent' => in_array($this->date_counter->date(), $event_map) ? "hasEvent" : "",
201                             'ShowDayLink' => $this->calendar->Link('view') . "/" . $this->date_counter->format('Ymd'),
202                             'Events' => ($this->calendar->hasMethod('Events')) ? $this->calendar->Events(null, $this->date_counter->get(), $this->date_counter->get()) : null,
203                             'Number' => $this->date_counter->format('d')
204                         )));
205                 $this->date_counter->addDay();
206             }
207             $week_range_end = $this->date_counter->subtractDay()->format('Ymd');
208             $this->date_counter->addDay();
209             $weeks->push(new ArrayData(array(
210                         'Days' => $days,
211                         'ShowWeekLink' => $this->calendar->Link('view') . "/" . $week_range_start . "/" . $week_range_end
212                     )));
213         }
214         return $weeks;
215     }
216 
217     protected function getNavigationOptions() {
218         $options = new DataObjectSet();
219         $counter = new sfDate($this->start_date->get());
220         $counter->subtractMonth(6);
221         for ($i = 0; $i < 12; $i++) {
222             $options->push(new ArrayData(array(
223                         'Link' => $this->ShowMonthLink($counter->format('Ym')),
224                         'Selected' => $this->start_date->format('Ym') == $counter->format('Ym') ? 'selected="selected"' : '',
225                         'Month' => CalendarUtil::i18n_date('%B, %Y', $counter->get())
226                     )));
227             $counter->addMonth();
228         }
229         unset($counter);
230         return $options;
231     }
232 
233     public function forTemplate() {
234         return $this->customise(array(
235             'Weeks' => $this->getWeeks(),
236             'NavigationOptions' => $this->getNavigationOptions(),
237             'CurrentMonthLink' => $this->calendar->Link('view') . "/" . $this->start_date->format('Y-m'),
238             'PrevMonthLink' => $this->ShowMonthLink($this->start_date->subtractMonth()->format('Ym')),
239             'NextMonthLink' => $this->ShowMonthLink($this->start_date->addMonth(2)->format('Ym')),
240             'QuickMonthLink' => $this->getQuickMonthLink(),
241             'QuickWeekLink' => $this->getQuickWeekLink(),
242             'QuickWeekendLink' => $this->getQuickWeekendLink(),
243             'CalendarHeader' => $this->calendarHeader,
244             'Ajax' => Director::is_ajax(),
245             'Sun' => CalendarUtil::i18n_date('%a', $this->date_counter->previousDay(sfTIME::SUNDAY)->get()),
246             'Mon' => CalendarUtil::i18n_date('%a', $this->date_counter->addDay()->get()),
247             'Tue' => CalendarUtil::i18n_date('%a', $this->date_counter->addDay()->get()),
248             'Wed' => CalendarUtil::i18n_date('%a', $this->date_counter->addDay()->get()),
249             'Thu' => CalendarUtil::i18n_date('%a', $this->date_counter->addDay()->get()),
250             'Fri' => CalendarUtil::i18n_date('%a', $this->date_counter->addDay()->get()),
251             'Sat' => CalendarUtil::i18n_date('%a', $this->date_counter->addDay()->get())
252         ))->renderWith('LiveCalendarWidget');
253     }
254 
255 }
256 
257 class LiveCalendarWidget_Controller extends Controller {
258 
259     static $url_handlers = array(
260         'show/$CurrentMonth/$AnchorStart/$AnchorEnd/$CalendarClass/$CalendarID/$DefaultView' => 'handleShow'
261     );
262 
263     public function handleShow($request) {
264         $calendar = DataObject::get_by_id($request->param('CalendarClass'), $request->param('CalendarID'));
265         if ($calendar) {
266             $default_view = $request->param('DefaultView') == "1";
267             $c = new LiveCalendarWidget(
268                             $calendar,
269                             new sfDate(CalendarUtil::getDateFromString($request->param('CurrentMonth'))),
270                             null,
271                             $default_view
272             );
273             $c->setAnchorStart($request->param('AnchorStart'));
274             $c->setAnchorEnd($request->param('AnchorEnd'));
275             echo $c->forTemplate();
276         }
277         else
278             return false;
279     }
280 
281 }
282 ?>