File: SceneControl.py

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#/*##########################################################################
# Copyright (C) 2004-2014 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.
#
# This file 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 2 of the License, or (at your option)
# any later version.
#
# This file 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 this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
#
# Please contact the ESRF industrial unit (industry@esrf.fr) if this license
# is a problem for you.
#
#############################################################################*/
__author__ = "V.A. Sole - ESRF Data Analysis"
__contact__ = "sole@esrf.fr"
__license__ = "LGPL2+"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
import sys
from . import Object3DQt as qt
from . import Scene
from . import SceneWidget
from . import SceneCoordinates
from . import Object3DMovement
from . import Object3DConfig
from .HorizontalSpacer import HorizontalSpacer
from .VerticalSpacer import VerticalSpacer
DEBUG = 0

class SceneControl(qt.QWidget):
    sigSceneControlSignal = qt.pyqtSignal(object)
    def __init__(self, parent = None, scene = None):
        qt.QWidget.__init__(self, parent)
        self.setWindowTitle('Scene Control Widget')
        if scene is None:
            self.scene = Scene.Scene(name='Scene')
        else:
            self.scene = scene

        self.mainLayout = qt.QHBoxLayout(self)
        self.mainLayout.setContentsMargins(0, 0, 0, 0)
        self.mainLayout.setSpacing(0)
        self.sceneWidget = SceneWidget.SceneWidget(self, scene=self.scene)
        self.selectedObjectControl = Object3DConfig.Object3DConfig(self)
        self.mainTab = self.selectedObjectControl.mainTab
        self.tabScene = qt.QWidget(self.mainTab)
        self.tabScene.mainLayout = qt.QGridLayout(self.tabScene)
        self.tabScene.mainLayout.setContentsMargins(0, 0, 0, 0)
        self.tabScene.mainLayout.setSpacing(0)
        self.coordinatesWidget = SceneCoordinates.SceneCoordinates(self.tabScene)
        self.coordinatesWidget.observerWidget.hide()
        #self.movementsWidget  = Object3DMovement.Object3DMovement(self.tabScene)
        #self.movementsWidget.anchorWidget.hide()
        self.tabScene.mainLayout.addWidget(self.coordinatesWidget, 0, 0)
        #self.tabScene.mainLayout.addWidget(self.movementsWidget, 1, 0)
        vspacer = VerticalSpacer(self.tabScene)
        self.tabScene.mainLayout.addWidget(vspacer, 2, 0)
        self.mainTab.addTab(self.tabScene, "SCENE")
        self.mainLayout.addWidget(self.sceneWidget)
        self.mainLayout.addWidget(self.selectedObjectControl)
        configDict = self.scene[self.scene.name()].root[0].getConfiguration()
        self.selectedObjectControl.setConfiguration(configDict)

        self.sceneWidget.sigSceneWidgetSignal.connect(self._sceneWidgetSignal)

        self.coordinatesWidget.sigSceneCoordinatesSignal.connect(\
                     self._sceneCoordinatesSlot)
        return
        self.movementsWidget.sigObject3DMovementSignal.connect(\
                     self._movementsSlot)


    def _sceneWidgetSignal(self, ddict):
        self.emitSignal(ddict['event'], ddict)

    def _movementsSlot(self, ddict):
        self.emitSignal(ddict['event'], ddict)

    def _sceneCoordinatesSlot(self, ddict):
        event = ddict['event']
        if event == 'SceneAxesVectorsChanged':
            self.scene.setAxesVectors(ddict['u'],
                                      ddict['v'],
                                      ddict['w'],
                                      use=ddict['uvw'])
        if 1:
            objectList = self.scene.tree.getList()
            xmin, ymin, zmin, xmax, ymax, zmax = self.scene.getLimits()
            self.scene.setAutoScale(ddict['autoscale'])
            if ddict['autoscale']:
                ddict['xmin'] = xmin
                ddict['ymin'] = ymin
                ddict['zmin'] = zmin
                ddict['xmax'] = xmax
                ddict['ymax'] = ymax
                ddict['zmax'] = zmax
                self.coordinatesWidget.setParameters(ddict)
            else:
                xmin = ddict['xmin']
                ymin = ddict['ymin']
                zmin = ddict['zmin']
                xmax = ddict['xmax']
                ymax = ddict['ymax']
                zmax = ddict['zmax']
            self.scene.setLimits([xmin, ymin, zmin, xmax, ymax, zmax])
            if ddict['autolocate']:
                diagonal2 = pow((xmax - xmin), 2) + pow((ymax - ymin), 2) + pow((zmax - zmin), 2)
                position = [xmin + diagonal2,
                            ymin + diagonal2,
                            zmin + diagonal2]
                ddict['observer'] = position
                self.coordinatesWidget.setParameters(ddict)
        self.emitSignal(ddict['event'], ddict)

    def emitSignal(self, event=None, ddict = None):
        if DEBUG:
            print("SceneControl emit signal ", ddict)
        if ddict is None:
            ddict = {}
        if event is not None:
            ddict['event'] = event
        self.sigSceneControlSignal.emit(ddict)

    def updateView(self):
        self.sceneWidget.updateView()
        xmin, ymin, zmin, xmax, ymax, zmax = self.scene.getLimits()
        autoscale = self.scene.getAutoScale()
        ddict = {}
        ddict['autoscale'] = autoscale
        ddict['xmin'] = xmin
        ddict['ymin'] = ymin
        ddict['zmin'] = zmin
        ddict['xmax'] = xmax
        ddict['ymax'] = ymax
        ddict['zmax'] = zmax
        self.coordinatesWidget.setParameters(ddict)

if __name__ == "__main__":
    import Object3DBase
    app = qt.QApplication([])
    w = SceneControl()
    def slot(ddict):
        print(" ddict = ", ddict)
        objectList = w.scene.tree.getList()
        selected = []
        for item in objectList:
            if hasattr(item, 'name'):
                if hasattr(item, 'selected'):
                    if item.selected():
                        selected.append(item.name())
        print(selected)
    app.lastWindowClosed.connect(app.quit)
    w.sigSceneControlSignal.connect(slot)
    o0 = Object3DBase.Object3D("DummyObject0")
    o0.setLimits(-100, -200, -300, 100, 200, 300)
    o1 = Object3DBase.Object3D("DummyObject1")
    o01 = Object3DBase.Object3D("DummyObject01")
    w.scene.addObject(o0)
    w.scene.addObject(o1)
    w.scene.addObject(o01)
    w.show()
    w.updateView()
    app.exec_()