InputfieldEvents.module

<?php

class InputfieldEvents extends Inputfield {

	public static function getModuleInfo() {
		return array(
			'title' => 'Events',
			'version' => 3,
			'summary' => 'Input field for events.',
			'requires' => 'FieldtypeEvents', 
			);
	}

	protected $page;
	protected $field; 

	public function setPage(Page $page) {
		$this->page = $page; 
	}

	public function setField(Field $field) {
		$this->field = $field;
	}

	/**
	 * Render a table row for an individual Event input
	 *
	 */
	protected function renderRow(Event $event, $cnt, $class = 'Event',$templateTable = false) {

		$name = $this->attr('name');
		$date = $event->date > 0 ? date(Event::dateFormat, $event->date) : '';
		$location = $this->sanitizer->entities($event->location); 
		$notes = $this->sanitizer->entities($event->notes); 
		$out = '';
		($templateTable ? $out .= '<table class="EventTemplateTable">' : null);
		$out .= '
			<tr class="Event'.$cnt.' '.$class.'">
				<td><a href="#" class="EventClone"><span class="ui-icon ui-icon-copy"></span></a></td>
				<td>
					<span class="inputValue">'.(($date != '') ? $date : '<span class="placeholder">(Click to edit)</span>').'</span>
					<input type="text" name="'.$name.'_date[]" value="'.$date.'" class="datepicker" /><i class="fa fa-calendar eventsDatePicker"></i>
				</td>
				<td>
					<span class="inputValue">'.(($location != '') ? $location : '<span class="placeholder">(Click to edit)</span>').'</span>
					<input type="text" name="'.$name.'_location[]" value="'.$location.'" />
				</td>
				<td>
					<span class="inputValue">'.(($notes != '') ? $notes : '<span class="placeholder">(Click to edit)</span>').'</span>
					<input type="text" name="'.$name.'_notes[]" value="'.$notes.'" />
				</td>
				<td>
					<a href="#" class="EventDel ui-helper-clearfix"><span class="ui-icon ui-icon-trash"></span></a>
					<input type="hidden" name="'.$name.'_del[]" value="0" />
				</td>
			</tr>
			';
		($templateTable ? $out .= '</table>' : null);
		return $out; 
	}

	/**
	 * Render the entire input area for Events
	 *
	 */
	public function ___render() {

		// get Event template for creating new events
		$out = $this->renderRow(new Event(), 0, 'Event EventTemplate',true); 
		
		// render rows for existing Events	
		foreach($this->attr('value') as $cnt => $event) {
			$tbody .= $this->renderRow($event, $cnt); 
		}	

		$out .= 	'
		<table class="InputfieldEvents">
			<thead>
			<tr class="">
				<th class="EventClone">&nbsp;</th>
				<th class="EventDate">Date</th>
				<th class="EventLocation">Location</th>
				<th class="EventNotes">Notes</th>
				<th class="EventDel">
					<a title="Delete All" href="#" class="EventDelAll"><span class="ui-icon ui-icon-trash"></span></a>
				</th>
			</tr>
			</thead>
			<tbody>'.$tbody.'</tbody>
		</table>
		';
		$recurDatesHTML = file_get_contents(dirname(__FILE__)."/lib/recurdates.html");
		$out .= $recurDatesHTML;
		
		// add a button that triggers adding a new event
		$btn = $this->modules->get('InputfieldButton');
		$btn->attr('id', $this->attr('name') . "_new"); 
		$btn->class .= " InputfieldEventsAdd";
		$btn->icon = 'plus-sign';
		$btn->value = $this->_('Add New Event'); 
		$out .= $btn->render();
		
		$btn = $this->modules->get('InputfieldButton');
		$btn->attr('id', "recurDatesPopup_open"); 
		$btn->class .= " InputfieldEventsAddMore";
		$btn->icon = 'plus-sign';
		$btn->value = $this->_('Add Recurring Event'); 
		$out .= $btn->render();
		
		
		
		
		return $out; 
	}

	/**
	 * Process input for the Events inputs
	 *
	 */
	public function ___processInput(WireInputData $input) {

		if(!$this->page || !$this->field) {
			throw new WireException("This inputfield requires that you set valid 'page' and 'field' properties to it."); 
		}

		$name = $this->attr('name'); 
		$events = $this->field->type->getBlankValue($this->page, $this->field); 
		$numDeleted = 0; 

		foreach($input->{"{$name}_date"} as $cnt => $date) {

			if(!$cnt) continue; // template for 'new' item is the first, so we can ignore it
			
			// check if the item is being deleted
			if($input->{"{$name}_del"}[$cnt]) {
				// if being deleted, then we simply skip over it
				$numDeleted++;
				continue; 
			}
			
			// create the $event and add it to our $events
			$event = new Event();
			$event->date = $date; 
			$event->location = $input->{"{$name}_location"}[$cnt];
			$event->notes = $input->{"{$name}_notes"}[$cnt];
			$events->add($event); 
		}

		// if the string values of the processed events are different from the previous,
		// or if any events have been deleted, then flag this Inputfield as changed
		// so that it will be automatically saved with the page
		if("$events" != "$this->value" || $numDeleted) {
			$this->attr('value', $events); 
			$this->trackChange('value'); 
		}
	}
}