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import justpy as jp
import asyncio
import matplotlib.pyplot as plt
import logging
logger = logging.getLogger('qolab.gui.web')
button_classes = 'bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded-full'
label_div_classes = 'py-2 px-4'
checkbox_classed = label_div_classes
labelnames_classes = 'font-bold'
panel_div_classes = 'space-x-4 border'
controls_div_classes = 'flex flex-wrap space-x-4 p-1 border'
controls_group_classes = 'flex flex-wrap space-x-4 p-1'
input_classes = "m-2 bg-gray-200 border-2 border-gray-200 rounded w-20 text-gray-700 focus:outline-none focus:bg-white focus:border-purple-500"
class QOLPushButton(jp.Button):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.set_classes('bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded-full')
class QOLPushButtonNoUndo(QOLPushButton):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.set_classes('bg-red-500 hover:bg-red-700 text-white font-bold py-2 px-4 rounded-full')
class QOLParamHeader(jp.Div):
def __init__(self, label='NameNotSet', value=None, **kwargs):
super().__init__(**kwargs)
root = self
root.label=label
root.set_classes(label_div_classes)
root.data[label]=None
jp.Span(text=f'{label}: ', classes=labelnames_classes, a=root)
self.setValue(value)
def getValue(self):
return self.data[self.label]
def setValue(self, val):
# print(f'setting {self.label} to {val}')
self.data[self.label]=val
class QOLParamReadOnly(QOLParamHeader):
""" Read Only from the web point of view """
def __init__(self, label='NameNotSet', **kwargs):
super().__init__(label=label, **kwargs)
root = self
jp.Span(model=[root, label], a=root)
class QOLParamReadWrite(QOLParamHeader):
def __init__(self, label='NameNotSet', **kwargs):
super().__init__(label=label, **kwargs)
root = self
self.input=jp.InputChangeOnly(classes=input_classes, model=[root, label], a=root, spellcheck="false")
class QOLCheckbox(jp.Label):
def __init__(self, label='NameNotSet', **kwargs):
super().__init__(**kwargs)
root = self
root.data['checked'] = False
root.label=label
root.set_classes(checkbox_classed)
checkbox = jp.Input(type='checkbox', model=[root, 'checked'], classes='form-checkbox', a=root)
caption = jp.Span(text=label, a=root)
def getValue(self):
return self.data['checked']
def setValue(self, val):
self.data['checked'] = val
class QOLTimeLog(jp.Div):
def __init__(self, **kwargs):
super().__init__(**kwargs)
root = self
root.traces = None; # log must have 'plot' and 'clear_data' methods
root.set_classes(panel_div_classes)
dcontrols = jp.Div(a=root)
dcontrols.set_classes(controls_div_classes)
bclear = QOLPushButtonNoUndo(a=dcontrols, text='Clear log', click=self._clear_data)
breplot = QOLPushButton(a=dcontrols, text='Replot', click=self._replot)
self.update_interval = QOLParamReadOnly(label='UpdateInterval',value=5,a=dcontrols)
self.save_controls = QOLSaveControls(component_with_data=self.traces, a=dcontrols)
self.chart = jp.Matplotlib(a=root)
self.start_task()
def setTraces(self,component_with_data=None):
self.traces = component_with_data
self.save_controls.component_with_data=component_with_data
def start_task(self):
jp.run_task( self.update_loop() )
def stop_tasks(self):
self.save_controls.stop_tasks()
pass
async def _clear_data(self, msg):
self.clear_data()
await self.update()
def clear_data(self):
traces = self.traces
if traces is not None:
traces.clear_data()
self.plot()
async def _replot(self, msg):
self.plot()
await self.update()
async def update_loop(self, update_interval=None):
if update_interval is not None:
self.update_interval.setValue(update_interval)
while True:
self.plot()
try:
strwtime = self.update_interval.getValue()
wtime = float(strwtime)
except ValueError:
wtime =2
print(f'Warning cannot convert {strwtime} setting to {wtime}')
await self.update()
await asyncio.sleep(wtime)
def plot(self):
traces = self.traces
f = plt.figure()
if traces is None:
plt.title('Log data is unavailable')
else:
traces.plot()
self.chart.set_figure(f)
plt.close(f)
class QOLSaveControls(jp.Div):
def __init__(self, component_with_data=None, **kwargs):
super().__init__(**kwargs)
root = self
root.set_classes(controls_group_classes)
root.component_with_data = component_with_data
root.getNextDataFile = None
root.bsave=QOLPushButton(a=root, text='Save', name='Save', click=self._save)
root.bnext_file=QOLPushButton(a=root, text='Next file', name='NextFile', click=self._next_file)
self.autosave_flag=QOLCheckbox(label='autosave', a=root )
self.autosave_interval = QOLParamReadOnly(label='AutoSaveInterval', value=10, a=root)
self.file_name=QOLParamReadOnly(label='FileName', a=root)
self.start_task()
def start_task(self):
jp.run_task( self.autosave_loop() )
def stop_tasks(self):
pass
async def autosave_loop(self):
while True:
if self.autosave_flag.getValue():
self.save()
await asyncio.sleep(10)
async def _save(self, msg):
self.save()
def save(self):
fname = self.file_name.getValue()
if fname is None:
return
if self.component_with_data is None:
return
logger.debug(f'saving to {fname}')
self.component_with_data.save(fname)
async def _next_file(self, msg):
self.next_file()
await self.update()
def next_file(self):
if self.getNextDataFile is not None:
fname = self.getNextDataFile()
logger.info(f'Data will be saved to {fname}')
self.file_name.setValue( fname )
if self.component_with_data is not None:
self.component_with_data.clear_last_saved_pos()
def gui_test():
return wp
if __name__ == '__main__':
wp = jp.WebPage(delete_flag=False)
rw = QOLParamReadWrite(label='ReadWriteParam', a=wp)
rw.setValue(12345)
log = QOLTimeLog(a=wp)
log.save_controls.getNextDataFile=lambda: "data.dat"
def test(self, msg):
print(rw.getValue())
QOLPushButtonNoUndo(text='Danger', a=wp, onclick=test)
# sc = QOLSaveControls(a=wp)
jp.justpy(gui_test)
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