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Diffstat (limited to 'examples/plotClearAction.py')
-rw-r--r-- | examples/plotClearAction.py | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/examples/plotClearAction.py b/examples/plotClearAction.py new file mode 100644 index 0000000..e1130cb --- /dev/null +++ b/examples/plotClearAction.py @@ -0,0 +1,75 @@ +# coding: utf-8 +# /*########################################################################## +# +# Copyright (c) 2018 European Synchrotron Radiation Facility +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. +# +# ###########################################################################*/ +"""This script shows how to create a minimalistic +:class:`~silx.gui.plot.actions.PlotAction` that clear the plot. + +This illustrates how to add more buttons in a plot widget toolbar. +""" + +__authors__ = ["T. VINCENT"] +__license__ = "MIT" +__date__ = "14/02/2018" + + +from silx.gui.plot.actions import PlotAction + + +class ClearPlotAction(PlotAction): + """A QAction that can be added to PlotWidget toolbar to clear the plot""" + + def __init__(self, plot, parent=None): + super(ClearPlotAction, self).__init__( + plot, + icon='close', + text='Clear', + tooltip='Clear the plot', + triggered=self._clear, + parent=parent) + + def _clear(self): + """Handle action triggered and clear the plot""" + self.plot.clear() + + +if __name__ == '__main__': + from silx.gui import qt + from silx.gui.plot import Plot1D + + app = qt.QApplication([]) # First create QApplication + + plot = Plot1D() # Create plotting widget + + # Create a toolbar and add it to the plot widget + toolbar = qt.QToolBar() + plot.addToolBar(toolbar) + + # Create clear action and add it to the toolbar + action = ClearPlotAction(plot, parent=plot) + toolbar.addAction(action) + + plot.addCurve((0, 1, 2, 3, 4), (0, 1, 1.5, 1, 0)) # Add a curve to the plot + + plot.show() # Show the plot widget + app.exec_() # Start Qt application |