File: StackBrowserPlugin.py

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#/*##########################################################################
# Copyright (C) 2004-2016 V.A. Sole, European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software group.
#
# 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.
#
#############################################################################*/
__author__ = "V.A. Sole - ESRF Data Analysis"
__contact__ = "sole@esrf.fr"
__license__ = "MIT"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
__doc__ = """
This plugin open a plot window with a browser to browse all images in
the stack.

A averaging filter with a configurable width is provided, to display an
average of several consecutive frames rather than a single frame.

The plot has also mask tools synchronized with the mask in the master
window.
"""

import logging
from PyMca5 import StackPluginBase

from PyMca5.PyMcaGui.pymca import StackBrowser
from PyMca5.PyMcaGui import PyMca_Icons

_logger = logging.getLogger(__name__)


class StackBrowserPlugin(StackPluginBase.StackPluginBase):
    def __init__(self, stackWindow, **kw):
        if _logger.getEffectiveLevel() == logging.DEBUG:
            StackPluginBase.pluginBaseLogger.setLevel(logging.DEBUG)
        StackPluginBase.StackPluginBase.__init__(self, stackWindow, **kw)
        self.methodDict = {'Show':[self._showWidget,
                                   "Show Stack Image Browser",
                                   PyMca_Icons.brushselect]}
        self.__methodKeys = ['Show']
        self.widget = None

    def stackUpdated(self):
        _logger.debug("StackBrowserPlugin.stackUpdated() called")
        if self.widget is None:
            return
        if self.widget.isHidden():
            return
        stack = self.getStackDataObject()
        self.widget.setStackDataObject(stack, stack_name="Stack Index")
        self.widget.setBackgroundImage(self._getBackgroundImage())
        mask = self.getStackSelectionMask()
        self.widget.setSelectionMask(mask)

    def _getBackgroundImage(self):
        images, names = self.getStackROIImagesAndNames()
        B = None
        for key in names:
            if key.endswith("ackground"):
                B = images[names.index(key)]
        return B

    def selectionMaskUpdated(self):
        if self.widget is None:
            return
        if self.widget.isHidden():
            return
        mask = self.getStackSelectionMask()
        self.widget.setSelectionMask(mask)

    def stackROIImageListUpdated(self):
        if self.widget is None:
            return
        self.widget.setBackgroundImage(self._getBackgroundImage())

    def mySlot(self, ddict):
        _logger.debug("mySlot %s %s", ddict['event'], ddict.keys())
        if ddict['event'] == "selectionMaskChanged":
            self.setStackSelectionMask(ddict['current'])
        elif ddict['event'] == "addImageClicked":
            self.addImage(ddict['image'], ddict['title'])
        elif ddict['event'] == "removeImageClicked":
            self.removeImage(ddict['title'])
        elif ddict['event'] == "replaceImageClicked":
            self.replaceImage(ddict['image'], ddict['title'])
        elif ddict['event'] == "resetSelection":
            self.setStackSelectionMask(None)

    #Methods implemented by the plugin
    def getMethods(self):
        return self.__methodKeys

    def getMethodToolTip(self, name):
        return self.methodDict[name][1]

    def getMethodPixmap(self, name):
        return self.methodDict[name][2]

    def applyMethod(self, name):
        return self.methodDict[name][0]()

    def _showWidget(self):
        if self.widget is None:
            self.widget = StackBrowser.StackBrowser(parent=None,
                                                    rgbwidget=None,
                                                    selection=True,
                                                    colormap=True,
                                                    imageicons=True,
                                                    standalonesave=True,
                                                    profileselection=True)
            self.widget.setSelectionMode(True)
            qt = StackBrowser.qt
            self.widget.sigMaskImageWidgetSignal.connect(self.mySlot)

        #Show
        self.widget.show()
        self.widget.raise_()

        #update
        self.stackUpdated()


MENU_TEXT = "Stack Image Browser"
def getStackPluginInstance(stackWindow, **kw):
    ob = StackBrowserPlugin(stackWindow)
    return ob