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#!/usr/bin/env python
#############################################################################
##
# This file is part of Taurus, a Tango User Interface Library
##
# http://www.tango-controls.org/static/taurus/latest/doc/html/index.html
##
# Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
##
# Taurus is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
##
# Taurus is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
##
# You should have received a copy of the GNU Lesser General Public License
# along with Taurus. If not, see <http://www.gnu.org/licenses/>.
##
#############################################################################
from __future__ import print_function
import sys
import click
import taurus.core.util
import taurus.qt.qtgui.util
import taurus.qt.qtgui.application
from taurus.external.qt import Qt
class TaurusDemoPanel(Qt.QWidget):
def __init__(self, parent=None):
Qt.QWidget.__init__(self, parent)
self._groups = {}
layout = Qt.QGridLayout()
self.setLayout(layout)
wf = taurus.qt.qtgui.util.TaurusWidgetFactory()
taurus_widgets = wf.getWidgets()
demos = {}
for widget_name in taurus_widgets:
widget_module_name, widget_class = taurus_widgets[widget_name]
internal_widget_module_name = widget_class.__module__
if internal_widget_module_name in demos:
continue
internal_widget_module = sys.modules[internal_widget_module_name]
if hasattr(internal_widget_module, "demo"):
if hasattr(internal_widget_module.demo, '__call__'):
demos[internal_widget_module_name] = internal_widget_module.demo
groups = set()
for demo_name in demos:
parts = demo_name.split(".")
group = parts[-2]
groups.add(group)
for group in sorted(groups):
self.addGroup(group)
for demo_name in sorted(demos):
demo_func = demos[demo_name]
parts = demo_name.split(".")
group = parts[-2]
if not demo_func.__doc__:
continue
try:
self.addDemo(demo_func.__doc__, demo_func, group)
except Exception as e:
print(80 * "-")
print("Problems adding demo", demo_name)
print(e)
def addGroup(self, name):
g = Qt.QGroupBox(name)
layout = self.layout()
layout.addWidget(g, layout.rowCount(), 0)
l = Qt.QGridLayout()
g.setLayout(l)
self._groups[name] = g
def addDemo(self, name, f, group):
g = self._groups[group]
layout = g.layout()
row = layout.rowCount()
#label = Qt.QLabel(name, self)
button = Qt.QPushButton(name, self)
button._f = f
layout.addWidget(button, row, 0)
button.clicked.connect(self.go)
def go(self):
b = self.sender()
f = b._f
dialog = None
try:
w = f()
if w is None or not isinstance(w, Qt.QWidget):
raise Exception("demo function does not return a valid widget")
dialog = Qt.QDialog()
layout = Qt.QVBoxLayout()
dialog.setLayout(layout)
layout.addWidget(w)
dialog.exec_()
except Exception as e:
if dialog is not None:
dialog.done(0)
dialog.hide()
dialog = None
print(str(e))
return
d = Qt.QErrorMessage()
d.showMessage(str(e))
@click.command('demo')
def demo_cmd():
"""A demo application for taurus"""
from taurus.qt.qtgui.application import TaurusApplication
app = TaurusApplication(cmd_line_parser=None)
gui = TaurusDemoPanel()
gui.setWindowTitle('Taurus demo')
gui.show()
sys.exit(app.exec_())
if __name__ == "__main__":
main()
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