1: <?php
  2: /**
  3:  * Display a list of calendar items grouped by month.
  4:  */
  5: class Kronolith_Block_Monthlist extends Horde_Core_Block
  6: {
  7:     /**
  8:      */
  9:     public function __construct($app, $params = array())
 10:     {
 11:         parent::__construct($app, $params);
 12: 
 13:         $this->_name = _("Upcoming Events");
 14:     }
 15: 
 16:     /**
 17:      */
 18:     protected function _params()
 19:     {
 20:         $params = array(
 21:             'calendar' => array(
 22:                 'name' => _("Calendar"),
 23:                 'type' => 'enum',
 24:                 'default' => '__all'),
 25:             'months' => array(
 26:                 'name' => _("Months Ahead"),
 27:                 'type' => 'int',
 28:                 'default' => 2),
 29:             'maxevents' => array(
 30:                 'name' => _("Maximum number of events to display (0 = no limit)"),
 31:                 'type' => 'int',
 32:                 'default' => 0),
 33:             'alarms' => array(
 34:                 'name' => _("Show only events that have an alarm set?"),
 35:                 'type' => 'checkbox',
 36:                 'default' => 0
 37:             )
 38:         );
 39: 
 40:         $params['calendar']['values']['__all'] = _("All Visible");
 41:         foreach (Kronolith::listCalendars(Horde_Perms::SHOW, true) as $id => $cal) {
 42:             $params['calendar']['values'][$id] = $cal->name();
 43:         }
 44: 
 45:         return $params;
 46:     }
 47: 
 48:     /**
 49:      */
 50:     protected function _title()
 51:     {
 52:         $url = Horde::url($GLOBALS['registry']->getInitialPage(), true);
 53:         if (isset($this->_params['calendar']) &&
 54:             $this->_params['calendar'] != '__all') {
 55:             $url->add('display_cal', $this->_params['calendar']);
 56:         }
 57:         return $url->link() . _("Upcoming Events") . '</a>';
 58:     }
 59: 
 60:     /**
 61:      */
 62:     protected function _content()
 63:     {
 64:         global $registry, $prefs;
 65: 
 66:         Horde::addScriptFile('tooltips.js', 'horde');
 67: 
 68:         $now = new Horde_Date($_SERVER['REQUEST_TIME']);
 69:         $today = date('j');
 70:         $current_month = '';
 71: 
 72:         $startDate = new Horde_Date(array('year' => date('Y'), 'month' => date('n'), 'mday' => date('j')));
 73:         $endDate = new Horde_Date(array('year' => date('Y'), 'month' => date('n') + $this->_params['months'], 'mday' => date('j') - 1));
 74: 
 75:         try {
 76:             if (isset($this->_params['calendar']) &&
 77:                 $this->_params['calendar'] != '__all') {
 78:                 $calendars = Kronolith::listCalendars();
 79:                 if (!isset($calendars[$this->_params['calendar']])) {
 80:                     return _("Calendar not found");
 81:                 }
 82:                 if (!$calendars[$this->_params['calendar']]->hasPermission(Horde_Perms::READ)) {
 83:                     return _("Permission Denied");
 84:                 }
 85:                 list($type, $calendar) = explode('_', $this->_params['calendar'], 2);
 86:                 $driver = Kronolith::getDriver($type, $calendar);
 87:                 $all_events = $driver->listEvents($startDate, $endDate, true);
 88:             } else {
 89:                 $all_events = Kronolith::listEvents($startDate, $endDate, $GLOBALS['display_calendars']);
 90:             }
 91:         } catch (Exception $e) {
 92:             return '<em>' . $e->getMessage() . '</em>';
 93:         }
 94: 
 95:         /* How many days do we need to check. */
 96:         $days = Date_Calc::dateDiff($startDate->mday, $startDate->month, $startDate->year,
 97:                                     $endDate->mday, $endDate->month, $endDate->year);
 98: 
 99:         /* Loop through the days. */
100:         $totalevents = 0;
101: 
102:         $html = '';
103:         for ($i = 0; $i < $days; ++$i) {
104:             $day = new Kronolith_Day($startDate->month, $today + $i);
105:             $date_stamp = $day->dateString();
106:             if (empty($all_events[$date_stamp])) {
107:                 continue;
108:             }
109: 
110:             if (!empty($this->_params['maxevents']) &&
111:                 $totalevents >= $this->_params['maxevents']) {
112:                 break;
113:             }
114: 
115:             /* Output month header. */
116:             if ($current_month != $day->month) {
117:                 $html .= '<tr><td colspan="4" class="control"><strong>' . $day->strftime('%B') . '</strong></td></tr>';
118:             }
119: 
120:             $firstevent = true;
121:             $tomorrow = $day->getTomorrow();
122:             foreach ($all_events[$date_stamp] as $event) {
123:                 if ($event->start->compareDate($day) < 0) {
124:                     $event->start = new Horde_Date($day);
125:                 }
126:                 if ($event->end->compareDate($tomorrow) >= 0) {
127:                     $event->end = $tomorrow;
128:                 }
129:                 if (($event->end->compareDate($now) < 0 && !$event->isAllDay()) ||
130:                     (!empty($this->_params['alarms']) && !$event->alarm)) {
131:                     continue;
132:                 }
133: 
134:                 if ($firstevent) {
135:                     $html .= '<tr';
136:                     if ($current_month == $day->month) {
137:                         $html .= ' class="block-upcomingday"';
138:                     }
139:                     $html .= '><td class="text" valign="top" align="right"><strong>';
140:                     if ($day->isToday()) {
141:                         $html .= _("Today");
142:                     } elseif ($day->isTomorrow()) {
143:                         $html .= _("Tomorrow");
144:                     } else {
145:                         $html .= $day->mday;
146:                     }
147:                     $html .= '</strong>&nbsp;</td>';
148:                     $firstevent = false;
149:                 } else {
150:                     $html .= '<tr><td class="text">&nbsp;</td>';
151:                 }
152: 
153:                 $html .= '<td class="text" nowrap="nowrap" valign="top">';
154:                 if ($event->start->compareDate($now) < 0 &&
155:                     $event->end->compareDate($now) > 0) {
156:                     $html .= '<strong>' . htmlspecialchars($event->getLocation()) . '</strong>';
157:                 } else {
158:                     $html .= htmlspecialchars($event->getLocation());
159:                 }
160:                 if ($event->start->compareDate($now) < 0 &&
161:                     $event->end->compareDate($now) > 0) {
162:                     $html .= '<strong>';
163:                 }
164:                 $html .= $event->getLink(null, true, null, true);
165:                 if ($event->start->compareDate($now) < 0 &&
166:                     $event->end->compareDate($now) > 0) {
167:                     $html .= '</strong>';
168:                 }
169:                 $html .= '</td></tr>';
170: 
171:                 $totalevents++;
172:             }
173: 
174:             $current_month = $day->strftime('%m');
175:         }
176: 
177:         if (empty($html)) {
178:             return '<em>' . _("No events to display") . '</em>';
179:         }
180: 
181:         return '<table cellspacing="0" width="100%">' . $html . '</table>';
182:     }
183: 
184: }
185: