schedule.php

<?php include('layout.inc'); ?>
<?php echo layout_getPageHeader(); ?>

<script type="text/javascript">

	function showControl(rowId)
	{
        document.getElementById('valve' + rowId + '_control').style.display = '';
		document.getElementById('valve' + rowId + '_days').style.display = 'none';
    }

	function showAuto(rowId)
	{
        document.getElementById('valve' + rowId + '_control').style.display = 'none';
		document.getElementById('valve' + rowId + '_days').style.display = '';
    }

</script>

<?php

	// include stuff
	include_once('schedule.inc');
	include_once('logger.inc');
	include_once('operateValves.php');

	// valve configuration object
	$schedule_storedConfiguration = new Schedule();

	// gets days of week into a valve
	function schedule_getValveDays($storedSchedule, $valveIndex, $dayName)
	{
		$resultString = "";	
		$dayIndex = 0;	
		
		// iterate through days
		foreach ($dayName as $day)
		{		
			$checkboxIsChecked = "";
			
			// get if checked
			if ($storedSchedule->valves[$valveIndex]->daysToOperate[$dayIndex] != 0)
			{
				// set checked attribute
				$checkboxIsChecked = 'checked="checked"';
			}			
			
			// echo it
			$resultString .= '<div style="float:left;margin-left:4px;">
									<div style="float:top;text-align:center">'.$day.'</div>
									<div style="float:bottom;"><input type="checkbox" name="valve'.$valveIndex.'_day'.$dayIndex.'" '.$checkboxIsChecked.'/></div>
					  			  </div>';
					  			  
			// next day
			$dayIndex++;
		}
		
		return $resultString;
	}

	// get master control on/off
	function schedule_getMasterControl($storedSchedule, $mode)
	{
		// check if equal
		if ($mode == $storedSchedule->masterControl)
		{
			echo 'checked="checked"';
		}
		else echo '';
	}

	// creates a dropdown menue for a certain valve
	function common_createDropDownListOptions($format, $startNumber, $endNumber, $increment, $selectedNumber)
	{
		// add items
	   for ($currentNumber = $startNumber; $currentNumber <= $endNumber; $currentNumber += $increment) 
		{
			// selected
			$selected = ($currentNumber == $selectedNumber ? "selected" : "");

			// format the number
			$formattedCurrentNumber = sprintf($format, $currentNumber);
	
			// add item
	      echo '<option value='.$formattedCurrentNumber.' '.$selected.'>'.$formattedCurrentNumber.'</option>';
		}
	}

	// outputs a valve
	function schedule_outputValve($storedSchedule, $style, $valveIndex, $valveIsOpen)
	{
		// get days of week checkboxes
		$daysOfWeek = schedule_getValveDays($storedSchedule, $valveIndex, array("S", "M", "T", "W", "T", "F", "S"));	
		
		// auto/manual
		$autoRadioSelected = ""; $daysRowStyle = ""; 
		$manualRadioSelected = ""; $controlRowStyle = ""; 

		// get selected according to mode
		if ($storedSchedule->valves[$valveIndex]->mode == 0)
		{
			$autoRadioSelected = "checked";
			$controlRowStyle = "display:none;";
		}
		else
		{
			$manualRadioSelected = "checked";
			$daysRowStyle = "display:none;";
		}
				
		// get valve status
		$valveStatus = $valveIsOpen ? " (On)" : "";
	
		// echo it
		echo '<div class="valve_wrapper" style="'.$style.'">		
				<fieldset class="base">
				<legend class="base_legend">Valve #'.($valveIndex + 1).$valveStatus.'</legend>
				<div>				
				<table border="0">
				<tr>
					<td class="valve_value_name">Name:</td>
					<td><input type="text" size="16" name="valve'.$valveIndex.'_name" value="'.$storedSchedule->valves[$valveIndex]->name.'" class = "styled_input"/></td>
				</tr>
				<tr>
					<td class="valve_value_name">Mode:</td>
					<td>
						<label for="valve'.$valveIndex.'_modeAuto"><input type="radio" id="valve'.$valveIndex.'_modeAuto" name="valve'.$valveIndex.'_mode" value="auto" onClick="showAuto('.$valveIndex.')" '.$autoRadioSelected.'/> Auto &nbsp&nbsp </label>
						<label for="valve'.$valveIndex.'_modeManual"><input type="radio" id="valve'.$valveIndex.'_modeManual" name="valve'.$valveIndex.'_mode" value="manual" onClick="showControl('.$valveIndex.')" '.$manualRadioSelected.'/> Manual  </label>
					</td>
				</tr>
				<tr id="valve'.$valveIndex.'_days" style="'.$daysRowStyle.'" >
					<td class="valve_value_name">Days:</td>
					<td>
					<div style="float:left;">'.$daysOfWeek.'</div>
					<div style="clear:both;"></div>		
					</td>
				</tr>
				<tr id="valve'.$valveIndex.'_control" style="'.$controlRowStyle.'" >
					<td class="valve_value_name"></td>
					<td>
						<input type="submit" name="valve'.$valveIndex.'_turnOn" value="Turn on" class="buttonTurnOn" /> &nbsp
						<input type="submit" name="valve'.$valveIndex.'_turnOff" value="Turn off" class="buttonTurnOff" />
					</td>
				</tr>
				<tr>
					<td class="valve_value_name">On for:</td>
					<td><input type="text" size="2" name="valve'.$valveIndex.'_duration" value="'.$storedSchedule->valves[$valveIndex]->operationDurationInMinutes.'" class = "styled_input"/>  minutes</td>
				</tr>
				</table>
				</div>			
				</fieldset>
			  </div>';
	}

	// outputs all valves
	function schedule_outputValves($storedSchedule)
	{
		// get which valves are open
		$valvesCurrentlyOpen = operateValves_getCurrentlyOpenValves();

		// iterate through all valves
		for ($valveIndex = 0; $valveIndex < count($storedSchedule->valves); $valveIndex++)
		{
			// style for valve
			$valveStyle = "float: left";		
			 
			// output valve
			schedule_outputValve($storedSchedule, $valveStyle, $valveIndex, $valvesCurrentlyOpen[$valveIndex]);
		}  
	}
	
	// load data from the form into a schedule
	function schedule_saveScheduleToFile($schedule, $fileName)
	{
		// save to file
		$fp = fopen($fileName, 'w');
	
		// check
		if ($fp) 
		{
			// log
			logger_logEvent('Updating configuration');
	
			// write
			fwrite($fp, serialize($schedule));
			fclose($fp);

			// success
			return true;
		}
		else return false;
	}

	// load data from the form into a schedule
	function schedule_loadPostedFormToSchedule(&$schedule)
	{
		// iterate over all valves
		for ($valveIndex = 0; $valveIndex < count($schedule->valves); $valveIndex++)
		{
			// get current valve
			$valve = $schedule->valves[$valveIndex];

			// set name and duration
			$valve->name = $_POST['valve'.$valveIndex.'_name'];
			$valve->operationDurationInMinutes = $_POST['valve'.$valveIndex.'_duration'];

			// set mode
			if ($_POST['valve'.$valveIndex.'_mode'] == 'auto')
			{
				// set mode to auto and clear start time
				$valve->mode = 0;
				$valve->manualStartTime = -1;
			}
			else
			{
				// set mode to manual, leave start time as is
				$valve->mode = 1;
			}

			// iterate dow
			for ($dayIndex = 0; $dayIndex < 7; $dayIndex++)
			{
				// shove if set
				$valve->daysToOperate[$dayIndex] = isset($_POST['valve'.$valveIndex.'_day'.$dayIndex]);
			}
		} 		

		// get master control
		$schedule->masterControl = ($_POST['masterControl'] == 'controlOn');

		// get start hour
		$schedule->startHour = $_POST['startHour'];
		$schedule->startMinutes = $_POST['startMinutes'];

		// concurrent open valves
		$schedule->maxConcurrentOpenValves = $_POST['maxConcurrentOpenValves'];
	}
		
	// create default schedule
	function schedule_initDefaultSchedule($schedule, $numberOfValves)
	{
		// iterate over valves
		for ($valveIndex = 0; $valveIndex < $numberOfValves; $valveIndex++)
		{
			// create default valve
			$valve = new ScheduleValve();
				$valve->name = 'Area #'.($valveIndex + 1);
				$valve->daysToOperate = array(0, 0, 0, 0, 0, 0, 0);   
				$valve->operationDurationInMinutes = 0;

			// shove to array
			$schedule->valves[$valveIndex] = $valve;
		}

		// init master mode and start hour
		$schedule->masterControl = false; // off
		$schedule->startHour = 0;
		$schedule->startMinutes = 0;
		$schedule->maxConcurrentOpenValves = 1;
	}

	// load the schedule from file
	function schedule_loadScheduleFromFile(&$schedule, $fileName)
	{
		// check if valve configuration exists
		if (file_exists($fileName)) 
		{
			// load from file
			$schedule = unserialize(file_get_contents($fileName));
		}
	}

	// stored schedule
	$schedule_storedSchedule = new Schedule();

	// check if anything has been posted
	if ($_POST)
	{
		// load the schedule from file
		schedule_loadScheduleFromFile($schedule_storedSchedule, $schedule_configurationFileName);

		// update the schedule with data from the form
		schedule_loadPostedFormToSchedule($schedule_storedSchedule);

		// check if a turn on/off button has been pressed
		for ($valveIndex = 0; $valveIndex < $schedule_numberOfValves; ++$valveIndex)
		{
			// check if a valve has been turned on
			if (isset($_POST['valve'.$valveIndex.'_turnOn']))
			{
				// set teh valve manual time to now
				$schedule_storedSchedule->valves[$valveIndex]->manualStartTime = operateValves_getCurrentMinutesOffsetIntoWeek();
				break;
			}

			if (isset($_POST['valve'.$valveIndex.'_turnOff']))
			{
				// reset the valve manual time
				$schedule_storedSchedule->valves[$valveIndex]->manualStartTime = -1;
				break;
			}
		}

		// save to file
		if (schedule_saveScheduleToFile($schedule_storedSchedule, $schedule_configurationFileName))
		{
			// operate the valves now, don't wait for cron
			operateValves_performActions($schedule_storedSchedule);
		}
	}
	else 
	{
		// check if valve configuration exists
		if (!file_exists($schedule_configurationFileName)) 
		{
			// create new scedule
			$schedule_storedSchedule = new Schedule();

			// initialize the current schedule
			schedule_initDefaultSchedule($schedule_storedSchedule, $schedule_numberOfValves);

			// save the current schedule so that the configuration file will always exist
			schedule_saveScheduleToFile($schedule_storedSchedule, $schedule_configurationFileName);	
		}
		else
		{
			// Try to load the data from the saved configuration
			schedule_loadScheduleFromFile($schedule_storedSchedule, $schedule_configurationFileName);
		}
	}
?>

<?php echo layout_getBodyHeader(); ?>

	<form action="schedule.php" method="post">
	  <h1>General Stuff</h1>
		<div>
			<table border="0" style="margin=0 0 0 0; padding=0 0 0 0;">
			<tr>
				<td class="general_config_name">Schedule is:</td>
				<td>
					<label for="masterControlOn"><input type="radio" id="masterControlOn" name="masterControl" value="controlOn" <?php schedule_getMasterControl($schedule_storedSchedule, true); ?> /> Active </label>
					<label for="masterControlOff"><input type="radio" id="masterControlOff" name="masterControl" value="controlOff" <?php schedule_getMasterControl($schedule_storedSchedule, false); ?> /> Inactive </label>
				</td>
			</tr>
			<tr>
				<td class="general_config_name">Start at:</td>
				<td>
					<select name="startHour">
						<?php	common_createDropDownListOptions('%02d', 0, 23, 1, $schedule_storedSchedule->startHour); ?>				  
					</select> :
					<select name="startMinutes">
						<?php	common_createDropDownListOptions('%02d', 0, 45, 15, $schedule_storedSchedule->startMinutes); ?>
					</select>
				</td>
				<td>
					<input type="submit" name="scheduleSave" value=" Save Settings " class="button"  style="margin-left:295px;" />
				</td>
			</tr>
			<tr>
				<td class="general_config_name">At most, open:</td>
				<td>
					<select name="maxConcurrentOpenValves">
						<?php	common_createDropDownListOptions('%d', 1, $schedule_numberOfValves, 1, $schedule_storedSchedule->maxConcurrentOpenValves); ?>
					</select>
					 &nbsp valve(s) at a time
				</td>
			</tr>
			</table>
		</div>	      	
		<div style="clear:both;"></div>

		<h1>Irrigation Schedule</h1><br>
		<div class="content">	      	
			<?php schedule_outputValves($schedule_storedSchedule); ?>
		</div>
	</form>

<?php echo layout_getBodyFooter(); ?>