def getStatusColor():
	# Check PLC statuses:
	devices = system.device.listDevices()
	for device in range(devices.getRowCount()):
		if devices.getValueAt(device, "Enabled") and devices.getValueAt(device, "State") <> "Connected":
			return "#F00"
	# Check Database statuses:
	databases = system.db.getConnections()
	for database in range(databases.getRowCount()):
		if databases.getValueAt(database, "Status") <> "Valid":
			return "#00F"
	# Everything is okay:
	return "#0F0"


def getStatusTooltip():
	tooltip = ["Connection Status", ""]
	# Check PLC statuses:
	devices = system.device.listDevices()
	devices = system.dataset.sort(devices, "Name")
	for device in range(devices.getRowCount()):
		name = devices.getValueAt(device, "Name")
		status = devices.getValueAt(device, "State")
		tooltip.append(name+": "+status)
	# Check Database statuses:
	databases = system.db.getConnections()
	databases = system.dataset.sort(databases, "Name")
	for database in range(databases.getRowCount()):
		name = databases.getValueAt(database, "Name")
		status = databases.getValueAt(database, "Status")
		if status == "Valid":
			status = "Connected"
		tooltip.append(name+": "+status)
	# Return tooltip:
	return "<br>".join(tooltip)
	
def getFireAlarm():
	# Check PLC:
	paths = []
	devices = system.device.listDevices()
	for device in range(devices.getRowCount()):
		if devices.getValueAt(device, "Enabled") and devices.getValueAt(device, "State") == "Connected":
			path = devices.getValueAt(device, "Name")
			paths.append(path + "/" + path + "/Alarms/FireAlarm")
	# Read values:
	return max(v.value for v in system.tag.readBlocking(paths) if v.quality.isGood())

def getPowerSaveMin():
	# Check PLC:
	paths = []
	devices = system.device.listDevices()
	for device in range(devices.getRowCount()):
		if devices.getValueAt(device, "Enabled") and devices.getValueAt(device, "State") == "Connected":
			path = devices.getValueAt(device, "Name")
			paths.append(path + "/" + path + "/PowerSaveMin")
	# Read values:
	return min(v.value for v in system.tag.readBlocking(paths) if v.quality.isGood())
	
def setPowerSaveMin(value):
	# Check PLC:
	paths = []
	devices = system.device.listDevices()
	for device in range(devices.getRowCount()):
		if devices.getValueAt(device, "Enabled") and devices.getValueAt(device, "State") == "Connected":
			path = devices.getValueAt(device, "Name")
			paths.append(path + "/" + path + "/PowerSaveMin")
	# Write values:
	system.tag.writeBlocking(paths, [value]*len(paths))