| author | Edouard Tisserant |
| Fri, 28 Aug 2020 11:27:07 +0200 | |
| branch | svghmi |
| changeset 3046 | d1bb0c09e412 |
| parent 3038 | 92101729f7b7 |
| child 3048 | d46d545ff7b7 |
| permissions | -rw-r--r-- |
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<?xml version='1.0' encoding='utf-8'?> |
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<PyFile xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> |
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<variables> |
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<variable name="AlarmNotify" type="HMI_INT"/> |
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<variable name="SendAlarm" type="HMI_INT" onchange="TriggerAlarm"/> |
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<variable name="AlarmText" type="HMI_STRING" initial="'POS'"/> |
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<variable name="AlarmStatus" type="HMI_STRING" initial="'alarm'"/> |
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</variables> |
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<globals> |
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<xhtml:p><![CDATA[ |
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from twisted.web.resource import Resource |
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import json, time, random |
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Alarms = [] |
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def TriggerAlarm(changed_var_name): |
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global Alarms |
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Alarms.append((time.time(), PLCGlobals.AlarmText, PLCGlobals.AlarmStatus)) |
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PLCGlobals.AlarmNotify = random.randint(0, 4294967296) |
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class AlarmJsonResource(Resource): |
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def render_GET(self, request): |
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return '' |
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def render_POST(self, request): |
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newstr = request.content.getvalue() |
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newdata = json.loads(newstr) |
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print newdata |
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vars = newdata[u'vars'] |
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args = newdata[u'args'] |
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visible = newdata[u'visible'] |
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svars = (vars + [0,0])[:3] |
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range_feedback = svars[1] |
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slider_position = svars[2] |
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answer = self.renderTable(range_feedback, slider_position, visible, *(args+svars[3:])) |
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janswer = json.dumps(answer) |
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print janswer |
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return janswer |
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def renderTable(self, old_range, old_position, visible, *options): |
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new_range = len(Alarms) |
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delta = new_range - visible |
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new_position = 0 if delta <= 0 else delta if old_position > delta else old_position |
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new_visible = new_range if delta <= 0 else visible |
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visible_alarms = [] |
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for ts, text, status in Alarms[new_position:new_position + new_visible]: |
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visible_alarms.append({
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"time": time.ctime(ts), |
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"text": text, # TODO translate text |
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"status": status |
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}) |
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return new_range, new_position, visible_alarms |
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]]></xhtml:p> |
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</globals> |
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<init> |
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<xhtml:p><![CDATA[ |
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]]></xhtml:p> |
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</init> |
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<cleanup> |
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<xhtml:p><![CDATA[ |
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]]></xhtml:p> |
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</cleanup> |
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<start> |
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<xhtml:p><![CDATA[ |
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svghmi_root.putChild("alarms", AlarmJsonResource())
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]]></xhtml:p> |
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</start> |
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<stop> |
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<xhtml:p><![CDATA[ |
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]]></xhtml:p> |
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</stop> |
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</PyFile> |