SVGHMI: JsonTable now use intermediate variables again to address JSON data without duplicating code or referencing. Using intermediate variables also alows to check for availability of data and stop evaluating early if data is missing. Finally added complete roundtrip example to illustrate use of JSonTable to display "alarms" collected in python from changes on PLC boolean variables.
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<PyFile>
<variables/>
<globals>
<![CDATA[
from threading import Thread
def OnConnectButton(self, event):
def OnWiiConnected(mac_addr):
self.label_2.SetLabel(
"Wiimote %s connected"%mac_addr
if mac_addr else
"Wiimote connection failed !")
def WiiConnected(mac_addr):
wx.CallAfter(OnWiiConnected,mac_addr)
Thread(target = Connect_Wiimote, args = (WiiConnected,)).start()
self.label_2.SetLabel("Press wiimote 1+2")
event.Skip()
def OnDisconnectButton(self, event):
Disconnect_Wiimote()
self.label_2.SetLabel("Wiimote disconnected")
event.Skip()
]]>
</globals>
<init>
<![CDATA[
]]>
</init>
<cleanup>
<![CDATA[
]]>
</cleanup>
<start>
<![CDATA[
]]>
</start>
<stop>
<![CDATA[
]]>
</stop>
</PyFile>