Esempio n. 1
0
class OrbitPlotMainWindow(QMainWindow):
    """
    the main window has three major widgets: current, orbit tabs and element
    editor.
    """
    def __init__(self, parent=None, machines=[], **kwargs):
        QMainWindow.__init__(self, parent)
        self.iqtApp = kwargs.get("iqt", None)

        self.setIconSize(QSize(32, 32))
        self.error_bar = True
        self._dlgOrbitCor = None
        # logging
        self.logdock = QDockWidget("Log")
        self.logdock.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
        textedit = QPlainTextEdit(self.logdock)

        self.logger = logging.getLogger(__name__)

        self.guilogger = logging.getLogger("aphla.gui")
        # the "aphla" include lib part logging. When the lib is inside
        # QThread, logging message will be sent to TextEdit which is cross
        # thread.
        # self.guilogger = logging.getLogger("aphla")
        handler = QTextEditLoggingHandler(textedit)
        self.guilogger.addHandler(handler)
        self.guilogger.setLevel(logging.INFO)
        self.logdock.setWidget(textedit)
        self.logdock.setAllowedAreas(Qt.BottomDockWidgetArea)
        self.logdock.setFeatures(QDockWidget.DockWidgetMovable
                                 | QDockWidget.DockWidgetClosable)
        self.logdock.setFloating(False)
        self.logdock.setMinimumHeight(20)
        self.logdock.setMaximumHeight(100)
        self.logdock.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
        self.logdock.resize(200, 60)
        #print self.logdock.sizeHint()
        self.addDockWidget(Qt.BottomDockWidgetArea, self.logdock)
        #print self.logdock.sizeHint()
        #print self.logdock.minimumSize()
        #print self.logdock.maximumSize()
        #self.logger.info("INFO")
        #self.logdock.setMinimumHeight(40)
        #self.logdock.setMaximumHeight(160)

        for msg in kwargs.get("infos", []):
            self.logger.info(msg)
        # dict of (machine, (lattice dict, default_lat, pvm))
        self._mach = dict([(v[0], (v[1], v[2], v[3])) for v in machines])
        for m, (lats, lat0, pvm) in self._mach.items():
            self.logger.info(
                "machine '%s' initialized: [%s]" %
                (m, ", ".join([lat.name for k, lat in lats.items()])))
            if pvm:
                for pv in pvm.dead():
                    self.logger.warn("'{0}' is disconnected.".format(pv))
        ## DCCT current plot
        #self.dcct = DcctCurrentPlot()
        #self.dcct.setMinimumHeight(100)
        #self.dcct.setMaximumHeight(150)

        #t0 = time.time()
        #t = np.linspace(t0 - 8*3600*24, t0, 100)
        #self.dcct.curve.t = t
        #v = 500*np.exp((t[0] - t[:50])/(4*3600*24))
        #self.dcct.curve.v = v.tolist()+v.tolist()
        #self.dcct.updatePlot()

        ## MDI area
        self.mdiarea = QMdiArea()
        self.connect(self.mdiarea, SIGNAL("subWindowActivated(QMdiSubWindow)"),
                     self.updateMachineLatticeNames)
        self.mdiarea.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
        self.physics = ApOrbitPhysics(self.mdiarea, iqt=self.iqtApp)
        self.live_orbit = True

        self.setCentralWidget(self.mdiarea)

        #self._elemed = ElementPropertyTabs()
        #self.elemeditor = ElementEditorDock(parent=self)
        #self.elemeditor.setAllowedAreas(Qt.RightDockWidgetArea)
        #self.elemeditor.setFeatures(QDockWidget.DockWidgetMovable|
        #                            QDockWidget.DockWidgetClosable)
        #self.elemeditor.setFloating(False)
        #self.elemeditor.setEnabled(False)
        #self.elemeditor.setMinimumWidth(400)
        #self.elemeditor.setWidget(self._elemed)
        #self.elemeditor.show()
        #self.elemeditor.hide()
        #self.connect(self.elemeditor,
        #             SIGNAL("elementChecked(PyQt_PyObject, bool)"),
        #             self.physics.elementChecked)
        #self.addDockWidget(Qt.RightDockWidgetArea, self.elemeditor)

        self.createMenuToolBar()

        # the first machine is the default
        self.machBox.addItems([v for v in self._mach.keys()])
        self.reloadLatticeNames(self.machBox.currentText())
        self.connect(self.machBox, SIGNAL("currentIndexChanged(QString)"),
                     self.reloadLatticeNames)

        # update at 1/2Hz
        self.dt, self.itimer = 1500, 0
        #self.timerId = None
        self.timerId = self.startTimer(self.dt)

        self.vbpm = None
        self.statusBar().showMessage("Welcome")

        #self.initMachine("nsls2v2")
        #self._newVelemPlot("V2SR", aphla.machines.HLA_VBPM, 'x',
        #                   "H Orbit", c = None)
        #print "Thread started", self.machinit.isRunning()

        #self.newElementPlots("BPM", "x, y")
        #self.newElementPlot("BPM", "y")
        #self.newElementPlot("HCOR", "x")
        #self.newElementPlot("VCOR", "y")
        #self.newElementPlot("QUAD", "b1")
        #self.newElementPlot("SEXT", "b2")

    def updateMachineLatticeNames(self, wsub):
        i = self.machBox.findText(wsub.machlat[0])
        self.machBox.setCurrentIndex(i)
        self.reloadLatticeNames(wsub.machlat[0])

    def reloadLatticeNames(self, mach):
        self.latBox.clear()
        cur_mach = str(self.machBox.currentText())
        lats, lat0, pvm = self._mach.get(cur_mach, ({}, None, None))
        self.latBox.addItems([lat for lat in lats.keys()])
        if lat0:
            i = self.latBox.findText(lat0.name)
            self.latBox.setCurrentIndex(i)

    def closeEvent(self, event):
        self.physics.close()
        self.mdiarea.closeAllSubWindows()
        event.accept()

    def createMenuToolBar(self):
        #
        # file menu
        #
        #self.machMenu = self.menuBar().addMenu("&Machines")
        #self.connect(self.machMenu, SIGNAL("aboutToShow()"),
        #             self.updateMachMenu)
        self.openMenu = self.menuBar().addMenu("&Open")
        self.openMenu.addAction("New Plot ...", self.openNewPlot)
        self.openMenu.addAction("New Tune Plot", self.openTunePlot)
        self.openMenu.addAction("New BPM Plot",
                                partial(self.newElementPlots, "BPM", "x,y"))
        self.openMenu.addAction("New HCOR Plot",
                                partial(self.newElementPlots, "HCOR", "x"))
        self.openMenu.addAction("New VCOR Plot",
                                partial(self.newElementPlots, "VCOR", "y"))

        self.openMenu.addSeparator()
        self.openMenu.addAction("Open ORM", self.loadOrm)

        self.openMenu.addSeparator()
        self.openMenu.addAction("Save Lattice ...", self.saveSnapshot)

        fileQuitAction = QAction(QIcon(":/file_quit.png"), "&Quit", self)
        fileQuitAction.setShortcut("Ctrl+Q")
        fileQuitAction.setToolTip("Quit the application")
        fileQuitAction.setStatusTip("Quit the application")
        #fileQuitAction.setIcon(Qt.QIcon(":/filequit.png"))
        self.connect(fileQuitAction, SIGNAL("triggered()"), self.close)
        self.openMenu.addAction(fileQuitAction)

        # view
        self.viewMenu = self.menuBar().addMenu("&View")

        mkmenu = QMenu("&Mark", self.viewMenu)
        for fam in ["BPM", "COR", "QUAD", "SEXT", "INSERTION"]:
            famAct = QAction(fam, self)
            famAct.setCheckable(True)
            self.connect(famAct, SIGNAL("toggled(bool)"), self.click_markfam)
            mkmenu.addAction(famAct)
        #

        # errorbar
        #viewErrorBarAction = QAction(QIcon(":/view_errorbar.png"),
        #                            "Errorbar", self)
        #viewErrorBarAction.setCheckable(True)
        #viewErrorBarAction.setChecked(True)
        #self.connect(viewErrorBarAction, SIGNAL("toggled(bool)"),
        #             self.errorBar)
        #
        #zoomM = QMenu("Zoom", self.viewMenu)

        #
        #
        #drift_from_now = QAction("Drift from Now", self)
        #drift_from_now.setCheckable(True)
        #drift_from_now.setShortcut("Ctrl+N")
        #drift_from_golden = QAction("Drift from Golden", self)
        #drift_from_golden.setCheckable(True)
        #drift_from_none = QAction("None", self)
        #drift_from_none.setCheckable(True)

        #self.viewMenu.addAction(viewLiveAction)
        #self.viewMenu.addAction(viewSingleShotAction)
        #self.viewMenu.addSeparator()

        #self.viewMenu.addAction(drift_from_now)
        #self.viewMenu.addAction(drift_from_golden)
        #self.viewMenu.addAction(drift_from_none)
        #self.viewMenu.addAction(viewAutoScale)
        #self.viewMenu.addAction(viewErrorBarAction)
        #self.viewMenu.addSeparator()

        self.viewMenu.addMenu(mkmenu)

        #drift_group = QActionGroup(self)
        #drift_group.addAction(drift_from_none)
        #drift_group.addAction(drift_from_now)
        #drift_group.addAction(drift_from_golden)
        #drift_from_none.setChecked(True)

        sep = self.viewMenu.addSeparator()
        #sep.setText("Drift")
        #self.connect(drift_from_now, SIGNAL("triggered()"), self.setDriftNow)
        #self.connect(drift_from_none, SIGNAL("triggered()"), self.setDriftNone)
        #self.connect(drift_from_golden, SIGNAL("triggered()"),
        #             self.setDriftGolden)

        #viewStyle = QMenu("Line Style", self.viewMenu)
        #for act in ["Increase Point Size", "Decrease Point Size", None,
        #            "NoCurve", "Lines", "Sticks", None,
        #            "Solid Line", "Dashed Line", "Dotted Line", None,
        #            "Increase Line Width", "Decrease Line Width", None,
        #            "NoSymbol", "Ellipse", "Rect", "Diamond", "Triangle",
        #            "Cross", "XCross", "HLine", "VLine",
        #            "Star1", "Star2", "Hexagon", None,
        #            "Red", "Blue", "Green"]:
        #    if act is None:
        #        viewStyle.addSeparator()
        #    else:
        #        viewStyle.addAction(act, self.setPlotStyle)
        #self.viewMenu.addMenu(viewStyle)

        #self.viewMenu.addSeparator()
        #self.viewMenu.addAction(viewZoomOut15Action)
        #self.viewMenu.addAction(viewZoomIn15Action)
        #self.viewMenu.addAction(viewZoomAutoAction)
        #self.viewMenu.addSeparator()
        self.viewMenu.addAction("ORM SV", self.plotSVD)
        # a bug in PyQwt5 for datetime x-axis, waiting for Debian 7
        #self.viewMenu.addAction(viewDcct)
        #for ac in self.viewMenu.actions(): ac.setDisabled(True)

        #
        self.controlMenu = self.menuBar().addMenu("&Tools")

        self.controlMenu.addAction(QIcon(":/control_choosebpm.png"),
                                   "En-/Disable BPM",
                                   partial(chooseElement, 'BPM'))
        self.controlMenu.addAction("En-/Disable COR",
                                   partial(chooseElement, 'COR'))
        #self.controlMenu.addAction(controlResetPvDataAction)
        self.controlMenu.addSeparator()
        self.controlMenu.addAction("Lattice Snapshot ...", self.openSnapshot)
        #self.controlMenu.addAction(controlZoomInPlot1Action)
        #self.controlMenu.addAction(controlZoomOutPlot1Action)
        #self.controlMenu.addAction(controlZoomInPlot2Action)
        #self.controlMenu.addAction(controlZoomOutPlot2Action)
        self.controlMenu.addSeparator()
        self.controlMenu.addAction("Correct Hor. orbit",
                                   partial(aphla.correctOrbit, plane="H"))
        self.controlMenu.addAction("Correct Vert. orbit",
                                   partial(aphla.correctOrbit, plane="V"))
        self.controlMenu.addAction(QIcon(":/control_corrorbit.png"),
                                   "Correct orbit",
                                   partial(aphla.correctOrbit, plane="HV"))
        #steer_orbit.setDisabled(True)
        self.controlMenu.addAction("Local Bump ...", self.createLocalBump)
        self.controlMenu.addAction("Element Editor ...",
                                   self.showElementEditor)
        self.controlMenu.addSeparator()
        self.controlMenu.addAction("meas Beta", self.physics.measBeta)
        self.controlMenu.addAction("meas Dispersion",
                                   self.physics.measDispersion)
        self.controlMenu.addAction("beam based alignment", self.runBba)
        #for ac in self.controlMenu.actions(): ac.setDisabled(True)

        # Window
        self.windowMenu = self.menuBar().addMenu("&Windows")
        #self.windowMenu.addAction(self.elemeditor.toggleViewAction())
        self.windowMenu.addAction(self.logdock.toggleViewAction())
        #viewDcct = QAction("Beam Current", self)
        #viewDcct.setCheckable(True)
        #viewDcct.setChecked(True)
        #self.connect(viewDcct, SIGNAL("toggled(bool)"), self.dcct.setVisible)
        #self.windowMenu.addAction(viewDcct)
        self.windowMenu.addSeparator()
        self.windowMenu.addAction("Cascade", self.mdiarea.cascadeSubWindows)
        self.windowMenu.addAction("Tile", self.mdiarea.tileSubWindows)
        self.windowMenu.addAction("Tile Horizontally",
                                  self.tileSubWindowsHorizontally)
        # "ctrl+page up", "ctrl+page down"
        self.windowMenu.addAction("Previous",
                                  self.mdiarea.activatePreviousSubWindow,
                                  "Ctrl+Left")
        self.windowMenu.addAction("Next", self.mdiarea.activateNextSubWindow,
                                  "Ctrl+Right")
        self.windowMenu.addSeparator()

        # debug
        self.debugMenu = self.menuBar().addMenu("&Debug")
        self.debugMenu.addAction("_Reset Correctors_", self._reset_correctors)
        self.debugMenu.addAction("_Reset Quadrupoles_",
                                 self._reset_quadrupoles)
        self.debugMenu.addAction("_Random V Kick_", self._random_vkick)
        self.debugMenu.addAction("_Random H Kick_", self._random_hkick)
        #for ac in self.debugMenu.actions(): ac.setDisabled(True)

        # help
        self.helpMenu = self.menuBar().addMenu("&Help")
        self.helpMenu.addAction("About mleap", self.showAbout)

        #toolbar
        machToolBar = self.addToolBar("Machines")
        self.machBox = QtGui.QComboBox()
        self.latBox = QtGui.QComboBox()
        #self.connect(self.latBox, SIGNAL("currentIndexChanged(QString)"),
        #             self.__setLattice)
        machToolBar.addWidget(self.machBox)
        machToolBar.addWidget(self.latBox)
        #toolbar = QToolBar(self)
        #self.addToolBar(toolbar)
        #fileToolBar = self.addToolBar("File")
        #fileToolBar.setObjectName("FileToolBar")
        #fileToolBar.addAction(fileQuitAction)

        #
        viewToolBar1 = self.addToolBar("Live View")
        #viewToolBar.setObjectName("ViewToolBar")
        #viewToolBar.addAction(viewZoomOut15Action)
        #viewToolBar.addAction(viewZoomIn15Action)
        #viewToolBar.addAction(viewZoomAutoAction)
        #viewToolBar1.addAction(viewLiveAction)
        #viewToolBar1.addAction(viewSingleShotAction)
        #viewToolBar1.addSeparator()
        viewToolBar1.addAction(QIcon(":/new_bpm.png"), "Orbits",
                               partial(self.newElementPlots, "BPM", "x,y"))
        viewToolBar1.addAction(QIcon(":/new_cor.png"), "Correctors",
                               partial(self.newElementPlots, "COR", "x,y"))
        viewToolBar1.addAction(QIcon(":/new_quad.png"), "Quadrupoles",
                               partial(self.newElementPlots, "QUAD", "b1"))
        viewToolBar1.addAction(QIcon(":/new_sext.png"), "Sextupoles",
                               partial(self.newElementPlots, "SEXT", "b2"))
        #viewToolBar.addAction(viewErrorBarAction)
        #viewToolBar.addAction(QWhatsThis.createAction(self))

        #viewToolBar2 = self.addToolBar("Scale Plot")
        #zoomActions = [(":/view_zoom_xy.png", "Fit", self.scalePlot),
        #               (None, None, None),
        #               (":/view_zoom_y.png", "Fit In Y", self.scalePlot),
        #               (":/view_zoomin_y.png", "Zoom In Y", self.scalePlot),
        #               (":/view_zoomout_y.png", "Zoom Out Y", self.scalePlot),
        #               (":/view_move_up.png", "Move Up", self.scalePlot),
        #               (":/view_move_down.png", "Move Down", self.scalePlot),
        #               (None, None, None),
        #               (":/view_zoom_x.png", "Fit In X", self.scalePlot),
        #               (":/view_zoomin_x.png", "Zoom In X", self.scalePlot),
        #               (":/view_zoomout_x.png", "Zoom Out X", self.scalePlot),
        #               (":/view_move_left.png", "Move Left", self.scalePlot),
        #               (":/view_move_right.png", "Move Right", self.scalePlot),
        #               ]
        #for ico,name,hdl in zoomActions:
        #    if hdl is None: continue
        #    viewToolBar2.addAction(QIcon(ico), name, hdl)

        controlToolBar = self.addToolBar("Control")
        controlToolBar.addAction(QIcon(":/control_orbitcor.png"),
                                 "Correct Orbit", aphla.correctOrbit)
        controlToolBar.addAction(QIcon(":/control_localbump.png"),
                                 "Local Bump ...", self.createLocalBump)
        #controlToolBar.addAction(controlResetPvDataAction)

    def showAbout(self):
        QMessageBox.about(
            self, self.tr("mleap"),
            (self.tr("""<b>Machine/Lattice Editor And Plotter</b> v %1
                <p>Copyright &copy; Lingyun Yang, BNL, 2013-2014. 
                All rights reserved.
                <p>This application can be used to perform
                high level accelerator controls.
                <p>Python %2 - Qt %3 - PyQt %4 
                on %5""").arg(aphla.version.version).arg(
                platform.python_version()).arg(QtCore.QT_VERSION_STR).arg(
                    QtCore.PYQT_VERSION_STR).arg(platform.system())))

    def showElementEditor(self):
        mach, lat = self.getCurrentMachLattice()
        ed = ElementEditor(lat, parent=self)
        ed.setWindowFlags(Qt.Window)
        ed.setAttribute(Qt.WA_DeleteOnClose)
        ed.show()

    def getCurrentMachLattice(self, cadata=False):
        """return the current machine name and lattice object"""
        mach = str(self.machBox.currentText())
        latname = str(self.latBox.currentText())
        lat_dict, lat0, pvm = self._mach[mach]
        if not cadata:
            return mach, lat_dict[latname]
        else:
            return mach, lat_dict[latname], pvm

    def newElementPlots(self, elem, fields, **kw):
        self.logger.info("new plots: %s %s" % (elem, fields))
        _mach, _lat, _pvm = self.getCurrentMachLattice(cadata=True)
        mach, lat = kw.get("machlat", (_mach, _lat))
        handle = kw.get("handle", "readback")
        elems = lat.getElementList(elem)
        x, pvs = [], []
        field_list = re.findall(r'[^ ,]+', fields)
        for fld in field_list:
            si, pvsi = [], []
            for e in elems:
                if not e.isEnabled(): continue
                epv = e.pv(field=fld, handle=handle)
                if not epv: continue
                pvsi.append(epv[0])
                si.append(e.sb)
            x.append(si)
            pvs.append(pvsi)

        if not pvs:
            self.logger.error("no data found for elements '{0}' "
                              "and field '{1}'".format(elem, field))
            return

        p = ApMdiSubPlot(pvs=pvs,
                         x=x,
                         labels=["%s.%s" % (elem, fld) for fld in field_list],
                         magprof=lat.getBeamlineProfile(),
                         iqt=self.iqtApp,
                         **kw)
        #QObject.installEventFilter(p.aplot)
        #p.data = ManagedPvData(pvm, s, pvs, element=elemnames,
        #                       label="{0}.{1}".format(elem,field))
        p.setAttribute(Qt.WA_DeleteOnClose)
        str_elem = "{0}".format(elem)
        if len(str_elem) > 12: str_elem = str_elem[:9] + "..."
        str_field = "{0}".format(fields)
        if len(str_field) > 12: str_field = str_field[:9] + "..."
        p.setWindowTitle("[%s.%s] %s %s" %
                         (mach, lat.name, str_elem, str_field))
        self.connect(p, SIGNAL("elementSelected(PyQt_PyObject)"),
                     self.elementSelected)
        self.connect(p, SIGNAL("destroyed()"), self.subPlotDestroyed)
        #p.updatePlot()
        # set the zoom stack
        #p.aplot.setErrorBar(self.error_bar)
        #p.wid.autoScaleXY()
        #p.aplot.replot()
        self.mdiarea.addSubWindow(p)
        #print "Show"
        p.show()

        ##print "Enable the buttons"
        #if len(self.mdiarea.subWindowList()) > 0:
        #    self.elemeditor.setEnabled(True)

    def subPlotDestroyed(self):
        #if len(self.mdiarea.subWindowList()) == 0:
        #    self.elemeditor.setEnabled(False)
        pass

    def loadOrm(self):
        fileName = QtGui.QFileDialog.getOpenFileName(
            self, "Open Orbit Response Matrix", "",
            "ORM Files (*.h5 *.hdf5);;Text File (*.txt);;All Files(*)")
        fileName = str(fileName)
        try:
            m = np.loadtxt(fileName)
        except:
            QMessageBox.critical(self, "Abort", "Invalid matrix data")
            return
        mach, lat = self.getCurrentMachLattice()
        # assuming we already have the PV, name, field but just want to
        # replace the matrix elements.
        assert np.shape(m) == np.shape(lat.ormdata.m)
        nx, ny = np.shape(lat.ormdata.m)
        for i in range(nx):
            for j in range(ny):
                lat.ormdata.m[i, j] = m[i, j]

    def saveSnapshot(self):
        latdict = dict([(k, v[0]) for k, v in self._mach.items()])
        mach, lat = self.getCurrentMachLattice()
        snapdlg = SaveSnapshotDialog(latdict, mach)
        snapdlg.exec_()

    def saveLatSnapshot(self):
        mach, lat = self.getCurrentMachLattice()
        dpath = self._prepare_parent_dirs(mach)
        if not dpath:
            QMessageBox.warning(self, "Abort", "Aborted")
            return
        dt = datetime.datetime.now()
        fname = os.path.join(
            dpath,
            dt.strftime("snapshot_%d_%H%M%S_") + lat.name + ".hdf5")
        fileName = QtGui.QFileDialog.getSaveFileName(
            self, "Save Lattice Snapshot Data", fname,
            "Data Files (*.h5 *.hdf5);;All Files(*)")
        fileName = str(fileName)
        if not fileName: return
        aphla.catools.save_lat_epics(fileName, lat, mode='a')
        self.logger.info("snapshot created '%s'" % fileName)

    def saveMachSnapshot(self):
        mach, lat = self.getCurrentMachLattice()
        dpath = self._prepare_parent_dirs(mach)
        if not dpath:
            QMessageBox.warning(self, "Abort", "Aborted")
            return
        dt = datetime.datetime.now()
        fname = os.path.join(dpath, dt.strftime("snapshot_%d_%H%M%S.hdf5"))
        fileName = QtGui.QFileDialog.getSaveFileName(
            self, "Save Lattice Snapshot Data", fname,
            "Data Files (*.h5 *.hdf5);;All Files(*)")
        if not fileName: return
        fileName = str(fileName)
        import h5py
        f = h5py.File(str(fileName), 'w')
        f.close()
        self.logger.info("clean snapshot file created: '%s'" % fileName)
        for k, lat in self._mach[mach][0].items():
            aphla.catools.save_lat_epics(fileName, lat, mode='a')
            self.logger.info("lattice snapshot appended for '%s'" % lat.name)

    def openSnapshot(self):
        #self.logger.info("loading snapshot?")
        latdict = dict([(k, v[0]) for k, v in self._mach.items()])
        mach, lat = self.getCurrentMachLattice()
        lv = LatSnapshotMain(self, latdict, mach, self.logger)
        lv.setWindowFlags(Qt.Window)
        #self.logger.info("initialized")
        #lv.loadLatSnapshotH5()
        lv.exec_()

    def openTunePlot(self):
        mach, lat = self.getCurrentMachLattice()
        nu = lat.getElementList('tune')
        pvs = [(e.pv(field="x",
                     handle="readback")[0], e.pv(field="y",
                                                 handle="readback")[0])
               for e in nu]
        labels = [e.name for e in nu]
        twiss = lat.getElementList("VA")
        pvs.extend([(e.pv(field="nux", handle="readback")[0],
                     e.pv(field="nuy", handle="readback")[0]) for e in twiss])
        labels.extend([e.name for e in twiss])

        p = ApMdiSubPlot(pvs=pvs, labels=labels, dtype="Tunes")
        #QObject.installEventFilter(p.aplot)
        #p.data = ManagedPvData(pvm, s, pvs, element=elemnames,
        #                       label="{0}.{1}".format(elem,field))
        p.setAttribute(Qt.WA_DeleteOnClose)
        p.setWindowTitle("[%s.%s] Tunes" % (mach, lat.name))
        self.connect(p, SIGNAL("elementSelected(PyQt_PyObject)"),
                     self.elementSelected)
        self.connect(p, SIGNAL("destroyed()"), self.subPlotDestroyed)
        #p.updatePlot()
        # set the zoom stack
        #p.aplot.setErrorBar(self.error_bar)
        #p.wid.autoScaleXY()
        #p.aplot.replot()
        self.mdiarea.addSubWindow(p)
        #print "Show"
        p.show()

    def openNewPlot(self):
        mach, lat = self.getCurrentMachLattice()
        fl = QtGui.QFormLayout()
        fl.addRow("Machine", QtGui.QLabel("%s" % mach))
        fl.addRow("Lattice", QtGui.QLabel("%s" % lat.name))
        elem, fld = QtGui.QLineEdit(), QtGui.QLineEdit()
        fl.addRow("Elements", elem)
        fl.addRow("Field", fld)
        dtype = QtGui.QComboBox()
        for tx in ["Array", "Waveform", "Time Series"]:
            dtype.addItem(tx)
        fl.addRow("Data Type", dtype)
        dlg = QtGui.QDialog()
        bx = QtGui.QDialogButtonBox(QtGui.QDialogButtonBox.Ok
                                    | QtGui.QDialogButtonBox.Cancel)
        self.connect(bx, SIGNAL("accepted()"), dlg.accept)
        self.connect(bx, SIGNAL("rejected()"), dlg.reject)
        h1 = QtGui.QHBoxLayout()
        h1.addStretch()
        h1.addWidget(bx)
        v1 = QtGui.QVBoxLayout()
        v1.addLayout(fl)
        v1.addLayout(h1)
        dlg.setLayout(v1)

        if dlg.exec_():
            self.newElementPlots(str(elem.text()),
                                 str(fld.text()),
                                 machlat=(mach, lat),
                                 dtype=str(dtype.currentText()))

    def click_markfam(self, on):
        famname = self.sender().text()
        mks = []
        mach, lat = self.getCurrentMachLattice()
        # need to convert to python str
        for elem in lat.getElementList(str(famname)):
            if elem.family != famname: continue
            if elem.virtual: continue
            mks.append([elem.name, 0.5 * (elem.sb + elem.se)])

        for w in self.mdiarea.subWindowList():
            w.setMarkers(mks, on)
        #print self._machlat.keys()

    def _reset_correctors(self):
        self.logger.info("reset correctors")
        aphla.hlalib._reset_trims()

    def _reset_quadrupoles(self):
        self.logger.info("reset quadrupoles")
        aphla.hlalib._reset_quad()

    def _random_hkick(self):
        mach, lat = self.getCurrentMachLattice()
        hcors = lat.getElementList('HCOR')
        for k in range(3):
            i = np.random.randint(len(hcors))
            self.logger.info("Setting {0}/{1} HCOR".format(i, len(hcors)))
            hcors[i].x += np.random.rand() * 2e-6

    def _random_vkick(self):
        mach, lat = self.getCurrentMachLattice()
        cors = lat.getElementList('VCOR')
        for k in range(3):
            i = np.random.randint(len(cors))
            cors[i].y += np.random.rand() * 1e-6
            self.logger.info("increased kicker '{0}' by 1e-7 ({1} {2})".format(
                cors[i].name, cors[i].y, cors[i].getUnit('y', None)))

    def viewDcctPlot(self, on):
        self.dcct.setVisible(on)

    def liveData(self, on):
        """Switch on/off live data taking"""
        self.live_orbit = on

    def scalePlot(self):
        w = self.mdiarea.currentSubWindow()
        if not w: return
        st, p = self.sender().text(), w.aplot
        if st == "Fit":
            p.scaleXBottom()
            p.scaleYLeft()
            # a hack
            bound = p.curvesBound()
            p.zoomer1.setZoomStack([bound])
        elif st == "Fit In Y":
            p.scaleYLeft()
        elif st == "Zoom In Y":
            p.scaleYLeft(1. / 1.5)
        elif st == "Zoom Out Y":
            p.scaleYLeft(1.5)
        elif st == "Move Up":
            p.moveCurves(Qwt.QwtPlot.yLeft, 0.8)
        elif st == "Move Down":
            p.moveCurves(Qwt.QwtPlot.yLeft, -0.8)
        elif st == "Fit In X":
            p.scaleXBottom()
        elif st == "Zoom In X":
            p.scaleXBottom(1.0 / 1.5)
        elif st == "Zoom Out X":
            p.scaleXBottom(1.5)
        elif st == "Move Left":
            p.moveCurves(Qwt.QwtPlot.xBottom, 0.8)
        elif st == "Move Right":
            p.moveCurves(Qwt.QwtPlot.xBottom, -0.8)
        else:
            self.logger.error("unknow action '{0}'".format(st))

    def getVisibleRange(self):
        w = self.mdiarea.currentSubWindow()
        if not w:
            mach, lat = self.getCurrentMachLattice()
            self.logger.warn(
                "no active plot, use full range of {0}.{1}".format(
                    mach, lat.name))
            return lat.getLocationRange()
        else:
            return w.currentXlim()

    def getVisibleElements(self, elemname, sb=None, se=None):
        w = self.mdiarea.currentSubWindow()
        mach, lat = self.getCurrentMachLattice()
        elems = lat.getElementList(elemname)
        if sb is not None:
            elems = [e for e in elems if e.sb >= sb]
        if se is not None:
            elems = [e for e in elems if e.se <= se]

        self.logger.info("searching for '{0}' in range [{1}, {2}]".format(
            elemname, sb, se))

        return elems

    def timerEvent(self, e):
        if e.timerId() != self.timerId: return

        #if not self.elemeditor.isHidden():
        #    self.elemeditor.updateModelData()

        #if self.live_orbit:
        #    self.itimer += 1
        #    #self.updatePlots()
        #    #self.updateStatus()
        #    for w in self.mdiarea.subWindowList():
        #        if not isinstance(w, ApMdiSubPlot): continue
        #        if not w.live: continue
        #        w.updatePlot()
        #    self.statusBar().showMessage("plot updated: {0}".format(
        #        time.strftime("%F %T")))
        #else:
        #    self.statusBar().showMessage("live update disabled")

    def singleShot(self):
        for w in self.mdiarea.subWindowList():
            if not isinstance(w, ApMdiSubPlot): continue
            w.updatePlot()

        self.statusBar().showMessage("plot updated: {0}".format(
            time.strftime("%F %T")))

    def elementSelected(self, elems):
        """this action is ignored"""
        mach, lat, elemnames = elems
        #_lat = self._machlat[mach][lat]
        self.logger.info("element selected")

        #elemobjs = _lat.getElementList(elemnames)
        #self._elemed.addElements(elemobjs)

    def activeOrbitPlot(self, field):
        mach = str(self.machBox.currentText())
        lat = str(self.latBox.currentText())
        for w in self.mdiarea.subWindowList():
            #print w.machine(), w.lattice(), w.data.yfield
            if not isinstance(w, ApMdiSubPlot): continue
            if w.machine() != mach: continue
            if w.lattice() != lat: continue
            if w.data.yfield != field: continue
            return w

        return None

    def createLocalBump_(self):
        """create local bump"""
        if self._dlgOrbitCor is None:
            bpms = ap.getElements("BPM")
            cors = ap.getElements("COR")
            self._dlgOrbitCor = OrbitCorrDlg(bpms, cors)
            #corbitdlg.resize(600, 500)
            self._dlgOrbitCor.setWindowTitle("Create Local Bump")
        self._dlgOrbitCor.show()
        self._dlgOrbitCor.raise_()
        self._dlgOrbitCor.activateWindow()

    def createLocalBump(self):
        """create local bump"""
        bpms = ap.getElements("BPM")
        cors = ap.getElements("COR")
        dlgOrbitCor = OrbitCorrDlg(bpms, cors, parent=self)
        #corbitdlg.resize(600, 500)
        dlgOrbitCor.setWindowTitle("Create Local Bump")
        dlgOrbitCor.show()
        dlgOrbitCor.raise_()
        dlgOrbitCor.activateWindow()
        dlgOrbitCor.setAttribute(Qt.WA_DeleteOnClose)

    def runBba(self):
        mach, lat = self.getCurrentMachLattice()
        bpms = [
            e for e in lat.getElementList('BPM')
            if e not in self.physics.deadelems
        ]
        self.physics.runBba(bpms)

    def plotSVD(self):
        mach, lat = self.getCurrentMachLattice()
        if not lat.ormdata:
            QMessageBox.critical(self, "ORM SVD",
                                 "machine '%s' ORM data is not available" % \
                                 mach,
                                 QMessageBox.Ok)
            return
        m, brec, trec = lat.ormdata.getMatrix(None,
                                              None,
                                              full=False,
                                              ignore=self.getDeadElements())
        U, s, V = np.linalg.svd(m, full_matrices=True)
        #print np.shape(s), s
        self.sp = ApSvdPlot(s)
        self.sp.show()

    def tileSubWindowsHorizontally(self):
        pos = QtCore.QPoint(0, 0)
        subwins = self.mdiarea.subWindowList()
        for w in subwins:
            height = self.mdiarea.height() / len(subwins)
            rect = QtCore.QRect(0, 0, self.mdiarea.width(), height)
            w.setGeometry(rect)
            w.move(pos)
            pos.setY(pos.y() + w.height())
Esempio n. 2
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class DocumentViewManager(QMainWindow):
    """
    MDI area for displaying supporting documents within a given context e.g.
    supporting documents for a specific household based on the lifetime of the
    'SourceDocumentManager' instance.
    """
    def __init__(self, parent = None):
        QMainWindow.__init__(self, parent)
        self.setWindowFlags(Qt.Window)

        self._mdi_area = QMdiArea()
        self.setCentralWidget(self._mdi_area)

        self._mdi_area.subWindowActivated.connect(self.update_actions)
        self._viewer_mapper = QSignalMapper(self)
        self._viewer_mapper.mapped[QWidget].connect(self.set_active_sub_window)

        win_title = QApplication.translate("DocumentViewManager","Document Viewer")
        self.setWindowTitle(win_title)
        self.setUnifiedTitleAndToolBarOnMac(True)
        self.statusBar().showMessage(QApplication.translate("DocumentViewManager","Ready"))

        self._doc_viewers = {}

        self._create_menu_actions()
        self.update_actions()

    def _create_menu_actions(self):
        self._window_menu = self.menuBar().addMenu(QApplication.translate("DocumentViewManager","&Windows"))

        self._close_act = QAction(QApplication.translate("DocumentViewManager",
                                                         "Cl&ose"), self)
        self._close_act.setStatusTip(QApplication.translate("DocumentViewManager",
                                                            "Close the active document viewer"))
        self._close_act.triggered.connect(self._mdi_area.closeActiveSubWindow)

        self._close_all_act = QAction(QApplication.translate("DocumentViewManager",
                                                         "Close &All"), self)
        self._close_all_act.setStatusTip(QApplication.translate("DocumentViewManager",
                                                            "Close all the document viewers"))
        self._close_all_act.triggered.connect(self._mdi_area.closeAllSubWindows)

        self._tile_act = QAction(QApplication.translate("DocumentViewManager",
                                                         "&Tile"), self)
        self._tile_act.setStatusTip(QApplication.translate("DocumentViewManager",
                                                            "Tile the document viewers"))
        self._tile_act.triggered.connect(self._mdi_area.tileSubWindows)

        self._cascade_act = QAction(QApplication.translate("DocumentViewManager",
                                                         "&Cascade"), self)
        self._cascade_act.setStatusTip(QApplication.translate("DocumentViewManager",
                                                            "Cascade the document viewers"))
        self._cascade_act.triggered.connect(self._mdi_area.cascadeSubWindows)

        self._next_act = QAction(QApplication.translate("DocumentViewManager",
                                                         "Ne&xt"), self)
        self._next_act.setStatusTip(QApplication.translate("DocumentViewManager",
                                                            "Move the focus to the next document viewer"))
        self._next_act.triggered.connect(self._mdi_area.activateNextSubWindow)

        self._previous_act = QAction(QApplication.translate("DocumentViewManager",
                                                         "Pre&vious"), self)
        self._previous_act.setStatusTip(QApplication.translate("DocumentViewManager",
                                                            "Move the focus to the previous document viewer"))
        self._previous_act.triggered.connect(self._mdi_area.activatePreviousSubWindow)

        self._separator_act = QAction(self)
        self._separator_act.setSeparator(True)

        self.update_window_menu()
        self._window_menu.aboutToShow.connect(self.update_window_menu)

    def update_actions(self):
        if self._mdi_area.activeSubWindow():
            has_mdi_child = True

        else:
            has_mdi_child = False

        self._close_act.setEnabled(has_mdi_child)
        self._close_all_act.setEnabled(has_mdi_child)
        self._tile_act.setEnabled(has_mdi_child)
        self._cascade_act.setEnabled(has_mdi_child)
        self._previous_act.setEnabled(has_mdi_child)
        self._next_act.setEnabled(has_mdi_child)
        self._separator_act.setVisible(has_mdi_child)

    def update_window_menu(self):
        self._window_menu.clear()
        self._window_menu.addAction(self._close_act)
        self._window_menu.addAction(self._close_all_act)
        self._window_menu.addSeparator()
        self._window_menu.addAction(self._tile_act)
        self._window_menu.addAction(self._cascade_act)
        self._window_menu.addSeparator()
        self._window_menu.addAction(self._next_act)
        self._window_menu.addAction(self._previous_act)
        self._window_menu.addAction(self._separator_act)

        windows = self._mdi_area.subWindowList()
        self._separator_act.setVisible(len(windows) != 0)

        for i, window in enumerate(windows):
            text = "%d. %s" % (i + 1, window.windowTitle())

            win_action = self._window_menu.addAction(text)
            win_action.setCheckable(True)
            win_action.setChecked(window is self._mdi_area.activeSubWindow())
            win_action.triggered.connect(self._viewer_mapper.map)
            self._viewer_mapper.setMapping(win_action, window)

    def load_viewer(self, document_widget):
        """
        Open a new instance of the viewer or activate an existing one if the
        document had been previously loaded.
        :param document_widget: Contains all the necessary information required
        to load the specific document.
        """
        doc_identifier = document_widget.file_identifier()

        if doc_identifier in self._doc_viewers:
            doc_sw = self._doc_viewers[doc_identifier]
            self._mdi_area.setActiveSubWindow(doc_sw)
            doc_sw.showNormal()

        else:
            doc_viewer = self._create_viewer(document_widget)
            abs_doc_path = self.absolute_document_path(document_widget)

            if not QFile.exists(abs_doc_path):
                msg = QApplication.translate("DocumentViewManager",
                                             "The selected document does not exist."
                                             "\nPlease check the supporting documents' "
                                             "repository setting.")
                QMessageBox.critical(self, QApplication.translate("DocumentViewManager","Invalid Document"),
                                     msg)

                return

            doc_viewer.load_document(abs_doc_path)

            self._doc_viewers[doc_identifier] = doc_viewer

            self._mdi_area.addSubWindow(doc_viewer)
            doc_viewer.show()

        if not self.isVisible():
            self.setVisible(True)

        if self.isMinimized():
            self.showNormal()

    def set_active_sub_window(self, viewer):
        if viewer:
            self._mdi_area.setActiveSubWindow(viewer)

    def absolute_document_path(self,document_widget):
        """
        Build the absolute document path using info from the document widget.
        :param document_widget: Instance of document widget.
        :return: Absolute path of the supporting document.
        :rtype: str
        """
        abs_path = ""

        file_manager = document_widget.fileManager
        if not file_manager is None:
            network_repository = file_manager.networkPath
            file_id = document_widget.file_identifier()
            doc_type = "%d"%(document_widget.documentType())
            file_name, file_extension = guess_extension(document_widget.displayName())

            abs_path = network_repository + "/" + doc_type + "/" +\
                       file_id + file_extension

        return abs_path

    def reset(self):
        """
        Removes all document viewers in the view area.
        The QCloseEvent sent to each sub-window will decrement the register.
        """
        self._mdi_area.closeAllSubWindows()

    def _create_viewer(self, document_widget):
        """
        Creates a new instance of a document viewer.
        :param document_widget: Contains all the necessary information required
        to load the specific document.
        :return: Document viewer object
        :rtype: DocumentViewer
        """
        doc_viewer = DocumentViewer(self._mdi_area, document_widget.file_identifier())
        doc_viewer.setAttribute(Qt.WA_DeleteOnClose)
        doc_viewer.setWindowTitle(document_widget.displayName())

        #TODO: Incorporate logic for determining viewer based on document type
        ph_viewer = PhotoViewer()
        doc_viewer.set_view_widget(ph_viewer)

        doc_viewer.closed.connect(self._on_viewer_closed)

        return doc_viewer

    def remove_viewer(self, viewer_id):
        """
        Close and remove the viewer with the specified viewer ID.
        """
        if viewer_id in self._doc_viewers:
            viewer = self._doc_viewers[viewer_id]
            self._mdi_area.setActiveSubWindow(viewer)
            self._mdi_area.closeActiveSubWindow()

        self._on_viewer_closed(viewer_id)

    def _on_viewer_closed(self,file_id):
        """
        Slot raised when a document viewer is closed.
        """
        if file_id in self._doc_viewers:
            del self._doc_viewers[file_id]
Esempio n. 3
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class DocumentViewManager(QMainWindow):
    """
    MDI area for displaying supporting documents within a given context e.g.
    supporting documents for a specific household based on the lifetime of the
    'SourceDocumentManager' instance.
    """
    def __init__(self, parent=None):
        QMainWindow.__init__(self, parent)
        self.setWindowFlags(Qt.Window)

        self._mdi_area = QMdiArea()
        self._mdi_area.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
        self._mdi_area.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
        self.setCentralWidget(self._mdi_area)
        # set the size of mid_area and DocumentViewManager based on the
        # screen size.
        screen = QDesktopWidget().availableGeometry()
        self._mdi_area.resize(screen.width() - 30, screen.height() - 80)
        self.resize(self._mdi_area.size())
        self._mdi_area.subWindowActivated.connect(self.update_actions)
        self._viewer_mapper = QSignalMapper(self)
        self._viewer_mapper.mapped[QWidget].connect(self.set_active_sub_window)

        win_title = QApplication.translate(
            "DocumentViewManager",
            "Document Viewer"
        )
        self.setWindowTitle(win_title)
        self.setUnifiedTitleAndToolBarOnMac(True)
        self.statusBar().showMessage(
            QApplication.translate(
                "DocumentViewManager",
                "Ready"
            )
        )
        self._doc_viewers = {}

        self._create_menu_actions()
        self.update_actions()

    def center(self):
        """
        Move the Document viewer to the center of the screen.
        """
        # Get the current screens' dimensions...
        screen = QDesktopWidget().availableGeometry()
        # ... and get this windows' dimensions
        mdi_area_size = self.frameGeometry()
        # The horizontal position
        hpos = (screen.width() - mdi_area_size.width()) / 2
        # vertical position
        vpos = (screen.height() - mdi_area_size.height()) / 2
        # repositions the window
        self.move(hpos, vpos)

    def _create_menu_actions(self):
        self._window_menu = self.menuBar().addMenu(
            QApplication.translate(
                "DocumentViewManager","&Windows"))

        self._close_act = QAction(
            QApplication.translate("DocumentViewManager",
                                                         "Cl&ose"), self)
        self._close_act.setStatusTip(
            QApplication.translate("DocumentViewManager",
                                   "Close the active document viewer"))
        self._close_act.triggered.connect(self._mdi_area.closeActiveSubWindow)

        self._close_all_act = QAction(QApplication.translate(
            "DocumentViewManager",
            "Close &All"), self
        )
        self._close_all_act.setStatusTip(
            QApplication.translate("DocumentViewManager",
                                   "Close all the document viewers")
        )
        self._close_all_act.triggered.connect(
            self._mdi_area.closeAllSubWindows
        )

        self._tile_act = QAction(QApplication.translate(
            "DocumentViewManager",
            "&Tile"), self
        )
        self._tile_act.setStatusTip(
            QApplication.translate("DocumentViewManager",
                                   "Tile the document viewers"))
        self._tile_act.triggered.connect(self.tile_windows)

        self._cascade_act = QAction(QApplication.translate(
            "DocumentViewManager",
            "&Cascade"), self)
        self._cascade_act.setStatusTip(QApplication.translate(
            "DocumentViewManager",
            "Cascade the document viewers"))
        self._cascade_act.triggered.connect(self.cascade_windows)

        self._next_act = QAction(QApplication.translate(
            "DocumentViewManager",
            "Ne&xt"), self)
        self._next_act.setStatusTip(
            QApplication.translate(
                "DocumentViewManager",
                "Move the focus to the next document viewer"
            )
        )
        self._next_act.triggered.connect(self._mdi_area.activateNextSubWindow)

        self._previous_act = QAction(QApplication.translate(
            "DocumentViewManager",
            "Pre&vious"), self)
        self._previous_act.setStatusTip(
            QApplication.translate(
                "DocumentViewManager",
                "Move the focus to the previous document viewer"
            )
        )
        self._previous_act.triggered.connect(
            self._mdi_area.activatePreviousSubWindow
        )

        self._separator_act = QAction(self)
        self._separator_act.setSeparator(True)

        self.update_window_menu()
        self._window_menu.aboutToShow.connect(self.update_window_menu)

    def cascade_windows(self):
        #Cascade document windows
        self._mdi_area.cascadeSubWindows()

    def tile_windows(self):
        #Arrange document windows to occupy the available space in mdi area
        self._mdi_area.tileSubWindows()

    def update_actions(self):
        if self._mdi_area.activeSubWindow():
            has_mdi_child = True

        else:
            has_mdi_child = False

        self._close_act.setEnabled(has_mdi_child)
        self._close_all_act.setEnabled(has_mdi_child)
        self._tile_act.setEnabled(has_mdi_child)
        self._cascade_act.setEnabled(has_mdi_child)
        self._previous_act.setEnabled(has_mdi_child)
        self._next_act.setEnabled(has_mdi_child)
        self._separator_act.setVisible(has_mdi_child)

    def update_window_menu(self):
        self._window_menu.clear()
        self._window_menu.addAction(self._close_act)
        self._window_menu.addAction(self._close_all_act)
        self._window_menu.addSeparator()
        self._window_menu.addAction(self._tile_act)
        self._window_menu.addAction(self._cascade_act)
        self._window_menu.addSeparator()
        self._window_menu.addAction(self._next_act)
        self._window_menu.addAction(self._previous_act)
        self._window_menu.addAction(self._separator_act)

        windows = self._mdi_area.subWindowList()
        self._separator_act.setVisible(len(windows) != 0)

        for i, window in enumerate(windows):
            text = "%d. %s" % (i + 1, window.windowTitle())

            win_action = self._window_menu.addAction(text)
            win_action.setCheckable(True)
            win_action.setChecked(window is self._mdi_area.activeSubWindow())
            win_action.triggered.connect(self._viewer_mapper.map)
            self._viewer_mapper.setMapping(win_action, window)

    def load_viewer(self, document_widget, visible=True):
        """
        Open a new instance of the viewer or activate an existing one if the
        document had been previously loaded.
        :param document_widget: Contains all the necessary information required
        to load the specific document.
        :type document_widget: DocumentWidget
        :param visible: True to show the view manager after the viewer has
        been loaded, otherwise it will be the responsibility of the caller to
        enable visibility.
        :type visible: bool
        :returns: True if the document was successfully loaded, else False.
        :rtype: bool
        """
        doc_identifier = document_widget.file_identifier()

        if doc_identifier in self._doc_viewers:

            doc_sw = self._doc_viewers[doc_identifier]

            self._mdi_area.setActiveSubWindow(doc_sw)
            doc_sw.showNormal()

        else:
            doc_viewer = self._create_viewer(document_widget)

            abs_doc_path = self.absolute_document_path(document_widget)

            if not QFile.exists(abs_doc_path):
                msg = QApplication.translate(
                    "DocumentViewManager",
                    "The selected document does not exist."
                    "\nPlease check the supporting documents' "
                    "repository setting."
                )
                QMessageBox.critical(
                    self,
                    QApplication.translate(
                        "DocumentViewManager","Invalid Document"
                    ),
                    msg
                )

                return False

            doc_viewer.load_document(abs_doc_path)

            self._doc_viewers[doc_identifier] = doc_viewer

            self._mdi_area.addSubWindow(doc_viewer)

            doc_viewer.show()

        if not self.isVisible() and visible:
            self.setVisible(True)

        if self.isMinimized():
            self.showNormal()

        self.center()

        return True

    def set_active_sub_window(self, viewer):
        if viewer:
            self._mdi_area.setActiveSubWindow(viewer)

    def absolute_document_path(self, document_widget):
        """
        Build the absolute document path using info from the document widget.
        :param document_widget: Instance of document widget.
        :return: Absolute path of the supporting document.
        :rtype: str
        """
        abs_path = ''

        file_manager = document_widget.fileManager
        if not file_manager is None:
            network_repository = file_manager.networkPath
            file_id = document_widget.file_identifier()
            source_entity = document_widget.doc_source_entity()
            profile_name = current_profile().name
            doc_type = document_widget.doc_type_value().lower().replace(
                ' ', '_'
            )
            file_name, file_extension = guess_extension(
                document_widget.displayName()
            )

            abs_path = network_repository + "/" +profile_name + '/' +\
                       unicode(source_entity) + "/" + unicode(doc_type) + "/" +\
                       unicode(file_id) + unicode(file_extension)

        return abs_path

    def reset(self):
        """
        Removes all document viewers in the view area.
        The QCloseEvent sent to each sub-window will decrement the register.
        """
        self._mdi_area.closeAllSubWindows()

    def _create_viewer(self, document_widget):
        """
        Creates a new instance of a document viewer.
        :param document_widget: Contains all
        the necessary information required
        to load the specific document.
        :return: Document viewer object
        :rtype: DocumentViewer
        """
        doc_viewer = DocumentViewer(
            self._mdi_area, document_widget.file_identifier()
        )
        doc_viewer.setAttribute(Qt.WA_DeleteOnClose)
        doc_viewer.setWindowTitle(
            document_widget.displayName()
        )

        # TODO: Incorporate logic for determining
        # TODO: viewer based on document type
        ph_viewer = PhotoViewer()

        # v_layout = QVBoxLayout()
        # v_layout.addWidget(ph_viewer)
        # doc_viewer.setLayout(v_layout)

        doc_viewer.set_view_widget(ph_viewer)

        doc_viewer.closed.connect(self._on_viewer_closed)

        return doc_viewer

    def remove_viewer(self, viewer_id):
        """
        Close and remove the viewer with the specified viewer ID.
        """
        if viewer_id in self._doc_viewers:
            viewer = self._doc_viewers[viewer_id]
            self._mdi_area.setActiveSubWindow(viewer)
            self._mdi_area.closeActiveSubWindow()

        self._on_viewer_closed(viewer_id)

    def _on_viewer_closed(self,file_id):
        """
        Slot raised when a document viewer is closed.
        """
        if file_id in self._doc_viewers:
            del self._doc_viewers[file_id]
Esempio n. 4
0
class OrbitPlotMainWindow(QMainWindow):
    """
    the main window has three major widgets: current, orbit tabs and element
    editor.
    """
    def __init__(self, parent = None, machines=[], **kwargs):
        QMainWindow.__init__(self, parent)
        self.iqtApp = kwargs.get("iqt", None)

        self.setIconSize(QSize(32, 32))
        self.error_bar = True
        self._dlgOrbitCor = None
        # logging
        self.logdock = QDockWidget("Log")
        self.logdock.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
        textedit = QPlainTextEdit(self.logdock)
        
        self.logger = logging.getLogger(__name__)

        self.guilogger = logging.getLogger("aphla.gui")
        # the "aphla" include lib part logging. When the lib is inside
        # QThread, logging message will be sent to TextEdit which is cross
        # thread.
        # self.guilogger = logging.getLogger("aphla")
        handler = QTextEditLoggingHandler(textedit)
        self.guilogger.addHandler(handler)
        self.guilogger.setLevel(logging.INFO)
        self.logdock.setWidget(textedit)
        self.logdock.setAllowedAreas(Qt.BottomDockWidgetArea)
        self.logdock.setFeatures(QDockWidget.DockWidgetMovable|
                                 QDockWidget.DockWidgetClosable)
        self.logdock.setFloating(False)
        self.logdock.setMinimumHeight(20)
        self.logdock.setMaximumHeight(100)
        self.logdock.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
        self.logdock.resize(200, 60)
        #print self.logdock.sizeHint()
        self.addDockWidget(Qt.BottomDockWidgetArea, self.logdock)
        #print self.logdock.sizeHint()
        #print self.logdock.minimumSize()
        #print self.logdock.maximumSize()
        #self.logger.info("INFO")
        #self.logdock.setMinimumHeight(40)
        #self.logdock.setMaximumHeight(160)

        for msg in kwargs.get("infos", []):
            self.logger.info(msg)
        # dict of (machine, (lattice dict, default_lat, pvm))
        self._mach = dict([(v[0], (v[1],v[2],v[3])) for v in machines])
        for m,(lats,lat0,pvm) in self._mach.items():
            self.logger.info("machine '%s' initialized: [%s]" % (
                m, ", ".join([lat.name for k,lat in lats.items()])))
            if pvm:
                for pv in pvm.dead():
                    self.logger.warn("'{0}' is disconnected.".format(pv))
        ## DCCT current plot
        #self.dcct = DcctCurrentPlot()
        #self.dcct.setMinimumHeight(100)
        #self.dcct.setMaximumHeight(150)

        #t0 = time.time()
        #t = np.linspace(t0 - 8*3600*24, t0, 100)
        #self.dcct.curve.t = t
        #v = 500*np.exp((t[0] - t[:50])/(4*3600*24))
        #self.dcct.curve.v = v.tolist()+v.tolist()
        #self.dcct.updatePlot()

        ## MDI area
        self.mdiarea = QMdiArea()
        self.connect(self.mdiarea, SIGNAL("subWindowActivated(QMdiSubWindow)"),
                     self.updateMachineLatticeNames)
        self.mdiarea.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
        self.physics = ApOrbitPhysics(self.mdiarea, iqt=self.iqtApp)
        self.live_orbit = True

        self.setCentralWidget(self.mdiarea)

        #self._elemed = ElementPropertyTabs()
        #self.elemeditor = ElementEditorDock(parent=self)
        #self.elemeditor.setAllowedAreas(Qt.RightDockWidgetArea)
        #self.elemeditor.setFeatures(QDockWidget.DockWidgetMovable|
        #                            QDockWidget.DockWidgetClosable)
        #self.elemeditor.setFloating(False)
        #self.elemeditor.setEnabled(False)
        #self.elemeditor.setMinimumWidth(400)
        #self.elemeditor.setWidget(self._elemed)
        #self.elemeditor.show()
        #self.elemeditor.hide()
        #self.connect(self.elemeditor, 
        #             SIGNAL("elementChecked(PyQt_PyObject, bool)"),
        #             self.physics.elementChecked)
        #self.addDockWidget(Qt.RightDockWidgetArea, self.elemeditor)

        self.createMenuToolBar()
        
        # the first machine is the default
        self.machBox.addItems([v for v in self._mach.keys()])
        self.reloadLatticeNames(self.machBox.currentText())
        self.connect(self.machBox, SIGNAL("currentIndexChanged(QString)"),
                     self.reloadLatticeNames)
        
        # update at 1/2Hz
        self.dt, self.itimer = 1500, 0
        #self.timerId = None
        self.timerId = self.startTimer(self.dt)

        self.vbpm = None
        self.statusBar().showMessage("Welcome")

        #self.initMachine("nsls2v2")
        #self._newVelemPlot("V2SR", aphla.machines.HLA_VBPM, 'x', 
        #                   "H Orbit", c = None)
        #print "Thread started", self.machinit.isRunning()

        #self.newElementPlots("BPM", "x, y")
        #self.newElementPlot("BPM", "y")
        #self.newElementPlot("HCOR", "x")
        #self.newElementPlot("VCOR", "y")
        #self.newElementPlot("QUAD", "b1")
        #self.newElementPlot("SEXT", "b2")
        

    def updateMachineLatticeNames(self, wsub):
        i = self.machBox.findText(wsub.machlat[0])
        self.machBox.setCurrentIndex(i)
        self.reloadLatticeNames(wsub.machlat[0])

    def reloadLatticeNames(self, mach):
        self.latBox.clear()
        cur_mach = str(self.machBox.currentText())
        lats, lat0, pvm = self._mach.get(cur_mach, ({}, None, None))
        self.latBox.addItems([lat for lat in lats.keys()])
        if lat0:
            i = self.latBox.findText(lat0.name)
            self.latBox.setCurrentIndex(i)

    def closeEvent(self, event):
        self.physics.close()
        self.mdiarea.closeAllSubWindows()
        event.accept()

    def createMenuToolBar(self):
        #
        # file menu
        #
        #self.machMenu = self.menuBar().addMenu("&Machines")
        #self.connect(self.machMenu, SIGNAL("aboutToShow()"),
        #             self.updateMachMenu)
        self.openMenu = self.menuBar().addMenu("&Open")
        self.openMenu.addAction("New Plot ...", self.openNewPlot)
        self.openMenu.addAction("New Tune Plot", self.openTunePlot)
        self.openMenu.addAction("New BPM Plot", partial(
                self.newElementPlots, "BPM", "x,y"))
        self.openMenu.addAction("New HCOR Plot", partial(
                self.newElementPlots, "HCOR", "x"))
        self.openMenu.addAction("New VCOR Plot", partial(
                self.newElementPlots, "VCOR", "y"))

        self.openMenu.addSeparator()
        self.openMenu.addAction("Open ORM", self.loadOrm)

        self.openMenu.addSeparator()        
        self.openMenu.addAction("Save Lattice ...", self.saveSnapshot)

        fileQuitAction = QAction(QIcon(":/file_quit.png"), "&Quit", self)
        fileQuitAction.setShortcut("Ctrl+Q")
        fileQuitAction.setToolTip("Quit the application")
        fileQuitAction.setStatusTip("Quit the application")
        #fileQuitAction.setIcon(Qt.QIcon(":/filequit.png"))
        self.connect(fileQuitAction, SIGNAL("triggered()"),
                     self.close)
        self.openMenu.addAction(fileQuitAction)

        # view
        self.viewMenu = self.menuBar().addMenu("&View")

        mkmenu = QMenu("&Mark", self.viewMenu)
        for fam in ["BPM", "COR", "QUAD", "SEXT", "INSERTION"]:
            famAct = QAction(fam, self)
            famAct.setCheckable(True)
            self.connect(famAct, SIGNAL("toggled(bool)"), self.click_markfam)
            mkmenu.addAction(famAct)
        # 
        
        # errorbar
        #viewErrorBarAction = QAction(QIcon(":/view_errorbar.png"),
        #                            "Errorbar", self)
        #viewErrorBarAction.setCheckable(True)
        #viewErrorBarAction.setChecked(True)
        #self.connect(viewErrorBarAction, SIGNAL("toggled(bool)"),
        #             self.errorBar)
        #
        #zoomM = QMenu("Zoom", self.viewMenu)

        #
        #
        #drift_from_now = QAction("Drift from Now", self)
        #drift_from_now.setCheckable(True)
        #drift_from_now.setShortcut("Ctrl+N")
        #drift_from_golden = QAction("Drift from Golden", self)
        #drift_from_golden.setCheckable(True)
        #drift_from_none = QAction("None", self)
        #drift_from_none.setCheckable(True)

        #self.viewMenu.addAction(viewLiveAction)
        #self.viewMenu.addAction(viewSingleShotAction)
        #self.viewMenu.addSeparator()

        #self.viewMenu.addAction(drift_from_now)
        #self.viewMenu.addAction(drift_from_golden)
        #self.viewMenu.addAction(drift_from_none)
        #self.viewMenu.addAction(viewAutoScale)
        #self.viewMenu.addAction(viewErrorBarAction)
        #self.viewMenu.addSeparator()

        self.viewMenu.addMenu(mkmenu)

        #drift_group = QActionGroup(self)
        #drift_group.addAction(drift_from_none)
        #drift_group.addAction(drift_from_now)
        #drift_group.addAction(drift_from_golden)
        #drift_from_none.setChecked(True)

        sep = self.viewMenu.addSeparator()
        #sep.setText("Drift")
        #self.connect(drift_from_now, SIGNAL("triggered()"), self.setDriftNow)
        #self.connect(drift_from_none, SIGNAL("triggered()"), self.setDriftNone)
        #self.connect(drift_from_golden, SIGNAL("triggered()"), 
        #             self.setDriftGolden)

        #viewStyle = QMenu("Line Style", self.viewMenu)
        #for act in ["Increase Point Size", "Decrease Point Size", None,
        #            "NoCurve", "Lines", "Sticks", None,
        #            "Solid Line", "Dashed Line", "Dotted Line", None,
        #            "Increase Line Width", "Decrease Line Width", None,
        #            "NoSymbol", "Ellipse", "Rect", "Diamond", "Triangle",
        #            "Cross", "XCross", "HLine", "VLine",
        #            "Star1", "Star2", "Hexagon", None,
        #            "Red", "Blue", "Green"]:
        #    if act is None:
        #        viewStyle.addSeparator()
        #    else:
        #        viewStyle.addAction(act, self.setPlotStyle)
        #self.viewMenu.addMenu(viewStyle)

        #self.viewMenu.addSeparator()
        #self.viewMenu.addAction(viewZoomOut15Action)
        #self.viewMenu.addAction(viewZoomIn15Action)
        #self.viewMenu.addAction(viewZoomAutoAction)
        #self.viewMenu.addSeparator()
        self.viewMenu.addAction("ORM SV", self.plotSVD)
        # a bug in PyQwt5 for datetime x-axis, waiting for Debian 7
        #self.viewMenu.addAction(viewDcct)
        #for ac in self.viewMenu.actions(): ac.setDisabled(True)

        #
        self.controlMenu = self.menuBar().addMenu("&Tools")
        
        self.controlMenu.addAction(
            QIcon(":/control_choosebpm.png"), "En-/Disable BPM",
            partial(chooseElement, 'BPM'))
        self.controlMenu.addAction(
            "En-/Disable COR", partial(chooseElement, 'COR'))
        #self.controlMenu.addAction(controlResetPvDataAction)
        self.controlMenu.addSeparator()
        self.controlMenu.addAction("Lattice Snapshot ...", self.openSnapshot)
        #self.controlMenu.addAction(controlZoomInPlot1Action)
        #self.controlMenu.addAction(controlZoomOutPlot1Action)
        #self.controlMenu.addAction(controlZoomInPlot2Action)
        #self.controlMenu.addAction(controlZoomOutPlot2Action)
        self.controlMenu.addSeparator()
        self.controlMenu.addAction("Correct Hor. orbit",
            partial(aphla.correctOrbit, plane="H"))
        self.controlMenu.addAction("Correct Vert. orbit",
            partial(aphla.correctOrbit, plane="V"))
        self.controlMenu.addAction(
            QIcon(":/control_corrorbit.png"), "Correct orbit",
            partial(aphla.correctOrbit, plane="HV"))
        #steer_orbit.setDisabled(True)
        self.controlMenu.addAction("Local Bump ...", self.createLocalBump)
        self.controlMenu.addAction("Element Editor ...", self.showElementEditor)
        self.controlMenu.addSeparator()
        self.controlMenu.addAction("meas Beta", self.physics.measBeta)
        self.controlMenu.addAction("meas Dispersion", self.physics.measDispersion)
        self.controlMenu.addAction("beam based alignment", self.runBba)
        #for ac in self.controlMenu.actions(): ac.setDisabled(True)

        # Window
        self.windowMenu = self.menuBar().addMenu("&Windows")
        #self.windowMenu.addAction(self.elemeditor.toggleViewAction())
        self.windowMenu.addAction(self.logdock.toggleViewAction())
        #viewDcct = QAction("Beam Current", self)
        #viewDcct.setCheckable(True)
        #viewDcct.setChecked(True)
        #self.connect(viewDcct, SIGNAL("toggled(bool)"), self.dcct.setVisible)
        #self.windowMenu.addAction(viewDcct)
        self.windowMenu.addSeparator()
        self.windowMenu.addAction("Cascade", self.mdiarea.cascadeSubWindows)
        self.windowMenu.addAction("Tile", self.mdiarea.tileSubWindows)
        self.windowMenu.addAction("Tile Horizontally",
                                  self.tileSubWindowsHorizontally)
        # "ctrl+page up", "ctrl+page down"
        self.windowMenu.addAction("Previous", self.mdiarea.activatePreviousSubWindow, "Ctrl+Left")
        self.windowMenu.addAction("Next", self.mdiarea.activateNextSubWindow, "Ctrl+Right")
        self.windowMenu.addSeparator()

        # debug
        self.debugMenu = self.menuBar().addMenu("&Debug")
        self.debugMenu.addAction("_Reset Correctors_", self._reset_correctors)
        self.debugMenu.addAction("_Reset Quadrupoles_", self._reset_quadrupoles)
        self.debugMenu.addAction("_Random V Kick_", self._random_vkick)
        self.debugMenu.addAction("_Random H Kick_", self._random_hkick)
        #for ac in self.debugMenu.actions(): ac.setDisabled(True)

        # help
        self.helpMenu = self.menuBar().addMenu("&Help")
        self.helpMenu.addAction("About mleap", self.showAbout)
                                                                         
        #toolbar
        machToolBar = self.addToolBar("Machines")
        self.machBox = QtGui.QComboBox()
        self.latBox = QtGui.QComboBox()
        #self.connect(self.latBox, SIGNAL("currentIndexChanged(QString)"), 
        #             self.__setLattice)
        machToolBar.addWidget(self.machBox)
        machToolBar.addWidget(self.latBox)
        #toolbar = QToolBar(self)
        #self.addToolBar(toolbar)
        #fileToolBar = self.addToolBar("File")
        #fileToolBar.setObjectName("FileToolBar")
        #fileToolBar.addAction(fileQuitAction)

        #
        viewToolBar1 = self.addToolBar("Live View")
        #viewToolBar.setObjectName("ViewToolBar")
        #viewToolBar.addAction(viewZoomOut15Action)
        #viewToolBar.addAction(viewZoomIn15Action)
        #viewToolBar.addAction(viewZoomAutoAction)
        #viewToolBar1.addAction(viewLiveAction)
        #viewToolBar1.addAction(viewSingleShotAction)
        #viewToolBar1.addSeparator()
        viewToolBar1.addAction(
            QIcon(":/new_bpm.png"), "Orbits",
            partial(self.newElementPlots, "BPM", "x,y"))
        viewToolBar1.addAction(
            QIcon(":/new_cor.png"), "Correctors",
            partial(self.newElementPlots, "COR", "x,y"))
        viewToolBar1.addAction(
            QIcon(":/new_quad.png"), "Quadrupoles",
            partial(self.newElementPlots, "QUAD", "b1"))
        viewToolBar1.addAction(
            QIcon(":/new_sext.png"), "Sextupoles",
            partial(self.newElementPlots, "SEXT", "b2"))
        #viewToolBar.addAction(viewErrorBarAction)
        #viewToolBar.addAction(QWhatsThis.createAction(self))

        #viewToolBar2 = self.addToolBar("Scale Plot")
        #zoomActions = [(":/view_zoom_xy.png", "Fit", self.scalePlot),
        #               (None, None, None),
        #               (":/view_zoom_y.png", "Fit In Y", self.scalePlot),
        #               (":/view_zoomin_y.png", "Zoom In Y", self.scalePlot),
        #               (":/view_zoomout_y.png", "Zoom Out Y", self.scalePlot),
        #               (":/view_move_up.png", "Move Up", self.scalePlot),
        #               (":/view_move_down.png", "Move Down", self.scalePlot),
        #               (None, None, None),
        #               (":/view_zoom_x.png", "Fit In X", self.scalePlot),
        #               (":/view_zoomin_x.png", "Zoom In X", self.scalePlot),
        #               (":/view_zoomout_x.png", "Zoom Out X", self.scalePlot),
        #               (":/view_move_left.png", "Move Left", self.scalePlot),
        #               (":/view_move_right.png", "Move Right", self.scalePlot),
        #               ]
        #for ico,name,hdl in zoomActions:
        #    if hdl is None: continue
        #    viewToolBar2.addAction(QIcon(ico), name, hdl)

        controlToolBar = self.addToolBar("Control")
        controlToolBar.addAction(
            QIcon(":/control_orbitcor.png"), "Correct Orbit",
            aphla.correctOrbit)
        controlToolBar.addAction(
            QIcon(":/control_localbump.png"), "Local Bump ...",
            self.createLocalBump)
        #controlToolBar.addAction(controlResetPvDataAction)

    def showAbout(self):
        QMessageBox.about(
            self, self.tr("mleap"),
            (self.tr("""<b>Machine/Lattice Editor And Plotter</b> v %1
                <p>Copyright &copy; Lingyun Yang, BNL, 2013-2014. 
                All rights reserved.
                <p>This application can be used to perform
                high level accelerator controls.
                <p>Python %2 - Qt %3 - PyQt %4 
                on %5""").arg(aphla.version.version)
                .arg(platform.python_version()).arg(QtCore.QT_VERSION_STR)
                .arg(QtCore.PYQT_VERSION_STR).arg(platform.system())))

    def showElementEditor(self):
        mach, lat = self.getCurrentMachLattice()
        ed = ElementEditor(lat, parent=self)
        ed.setWindowFlags(Qt.Window)
        ed.setAttribute(Qt.WA_DeleteOnClose)
        ed.show()

    def getCurrentMachLattice(self, cadata = False):
        """return the current machine name and lattice object"""
        mach     = str(self.machBox.currentText())
        latname  = str(self.latBox.currentText())
        lat_dict, lat0, pvm = self._mach[mach]
        if not cadata:
            return mach, lat_dict[latname]
        else:
            return mach, lat_dict[latname], pvm

    def newElementPlots(self, elem, fields, **kw):
        self.logger.info("new plots: %s %s" % (elem, fields))
        _mach, _lat, _pvm = self.getCurrentMachLattice(cadata=True)
        mach, lat = kw.get("machlat", (_mach, _lat))
        handle = kw.get("handle", "readback")
        elems = lat.getElementList(elem)
        x, pvs = [], []
        field_list = re.findall(r'[^ ,]+', fields)
        for fld in field_list:
            si, pvsi = [], []
            for e in elems:
                if not e.isEnabled(): continue
                epv = e.pv(field=fld, handle=handle)
                if not epv: continue
                pvsi.append(epv[0])
                si.append(e.sb)
            x.append(si)
            pvs.append(pvsi)

        if not pvs:
            self.logger.error("no data found for elements '{0}' "
                              "and field '{1}'".format(elem, field))
            return

        p = ApMdiSubPlot(pvs=pvs, x = x, 
                         labels=["%s.%s" % (elem,fld) for fld in field_list],
                         magprof = lat.getBeamlineProfile(),
                         iqt = self.iqtApp,
                         **kw)
        #QObject.installEventFilter(p.aplot)
        #p.data = ManagedPvData(pvm, s, pvs, element=elemnames,
        #                       label="{0}.{1}".format(elem,field))
        p.setAttribute(Qt.WA_DeleteOnClose)
        str_elem = "{0}".format(elem)
        if len(str_elem) > 12: str_elem = str_elem[:9] + "..."
        str_field = "{0}".format(fields)
        if len(str_field) > 12: str_field = str_field[:9] + "..."
        p.setWindowTitle("[%s.%s] %s %s" % (
                mach, lat.name, str_elem, str_field))
        self.connect(p, SIGNAL("elementSelected(PyQt_PyObject)"), 
                     self.elementSelected)
        self.connect(p, SIGNAL("destroyed()"), self.subPlotDestroyed)
        #p.updatePlot()
        # set the zoom stack
        #p.aplot.setErrorBar(self.error_bar)
        #p.wid.autoScaleXY()
        #p.aplot.replot()
        self.mdiarea.addSubWindow(p)
        #print "Show"
        p.show()

        ##print "Enable the buttons"
        #if len(self.mdiarea.subWindowList()) > 0:
        #    self.elemeditor.setEnabled(True)

    def subPlotDestroyed(self):
        #if len(self.mdiarea.subWindowList()) == 0:
        #    self.elemeditor.setEnabled(False)
        pass

    def loadOrm(self):
        fileName = QtGui.QFileDialog.getOpenFileName(
            self, "Open Orbit Response Matrix",
            "",
            "ORM Files (*.h5 *.hdf5);;Text File (*.txt);;All Files(*)")
        fileName = str(fileName)
        try:
            m = np.loadtxt(fileName)
        except:
            QMessageBox.critical(self, "Abort", "Invalid matrix data")
            return
        mach, lat = self.getCurrentMachLattice()
        # assuming we already have the PV, name, field but just want to
        # replace the matrix elements.
        assert np.shape(m) == np.shape(lat.ormdata.m)
        nx, ny = np.shape(lat.ormdata.m)
        for i in range(nx):
            for j in range(ny):
                lat.ormdata.m[i,j] = m[i,j]


    def saveSnapshot(self):
        latdict = dict([(k,v[0]) for k,v in self._mach.items()])
        mach, lat = self.getCurrentMachLattice()
        snapdlg = SaveSnapshotDialog(latdict, mach)
        snapdlg.exec_()

    def saveLatSnapshot(self):
        mach, lat = self.getCurrentMachLattice()
        dpath = self._prepare_parent_dirs(mach)
        if not dpath:
            QMessageBox.warning(self, "Abort", "Aborted")
            return
        dt = datetime.datetime.now()
        fname = os.path.join(dpath,
            dt.strftime("snapshot_%d_%H%M%S_") + lat.name + ".hdf5")
        fileName = QtGui.QFileDialog.getSaveFileName(
            self, "Save Lattice Snapshot Data",
            fname,
            "Data Files (*.h5 *.hdf5);;All Files(*)")
        fileName = str(fileName)
        if not fileName: return
        aphla.catools.save_lat_epics(fileName, lat, mode='a')
        self.logger.info("snapshot created '%s'" % fileName)

    def saveMachSnapshot(self):
        mach, lat = self.getCurrentMachLattice()
        dpath = self._prepare_parent_dirs(mach)
        if not dpath:
            QMessageBox.warning(self, "Abort", "Aborted")
            return
        dt = datetime.datetime.now()
        fname = os.path.join(dpath, dt.strftime("snapshot_%d_%H%M%S.hdf5"))
        fileName = QtGui.QFileDialog.getSaveFileName(
            self, "Save Lattice Snapshot Data",
            fname,
            "Data Files (*.h5 *.hdf5);;All Files(*)")
        if not fileName: return
        fileName = str(fileName)
        import h5py
        f = h5py.File(str(fileName), 'w')
        f.close()
        self.logger.info("clean snapshot file created: '%s'" % fileName)
        for k,lat in self._mach[mach][0].items():
            aphla.catools.save_lat_epics(fileName, lat, mode='a')
            self.logger.info("lattice snapshot appended for '%s'" % lat.name)

    def openSnapshot(self):
        #self.logger.info("loading snapshot?")
        latdict = dict([(k,v[0]) for k,v in self._mach.items()])
        mach, lat = self.getCurrentMachLattice()
        lv = LatSnapshotMain(self, latdict, mach, self.logger)
        lv.setWindowFlags(Qt.Window)
        #self.logger.info("initialized")
        #lv.loadLatSnapshotH5()
        lv.exec_()

    def openTunePlot(self):
        mach, lat = self.getCurrentMachLattice()
        nu = lat.getElementList('tune')
        pvs = [(e.pv(field="x", handle="readback")[0],
                e.pv(field="y", handle="readback")[0])
               for e in nu]
        labels = [e.name for e in nu]
        twiss = lat.getElementList("VA")
        pvs.extend([(e.pv(field="nux", handle="readback")[0],
                     e.pv(field="nuy", handle="readback")[0])
                    for e in twiss])
        labels.extend([e.name for e in twiss])

        p = ApMdiSubPlot(pvs=pvs, labels=labels, dtype = "Tunes")
        #QObject.installEventFilter(p.aplot)
        #p.data = ManagedPvData(pvm, s, pvs, element=elemnames,
        #                       label="{0}.{1}".format(elem,field))
        p.setAttribute(Qt.WA_DeleteOnClose)
        p.setWindowTitle("[%s.%s] Tunes" % (mach, lat.name))
        self.connect(p, SIGNAL("elementSelected(PyQt_PyObject)"), 
                     self.elementSelected)
        self.connect(p, SIGNAL("destroyed()"), self.subPlotDestroyed)
        #p.updatePlot()
        # set the zoom stack
        #p.aplot.setErrorBar(self.error_bar)
        #p.wid.autoScaleXY()
        #p.aplot.replot()
        self.mdiarea.addSubWindow(p)
        #print "Show"
        p.show()

    def openNewPlot(self):
        mach, lat = self.getCurrentMachLattice()
        fl = QtGui.QFormLayout()
        fl.addRow("Machine", QtGui.QLabel("%s" % mach))
        fl.addRow("Lattice", QtGui.QLabel("%s" % lat.name))
        elem, fld = QtGui.QLineEdit(), QtGui.QLineEdit()
        fl.addRow("Elements", elem)
        fl.addRow("Field", fld)
        dtype = QtGui.QComboBox()
        for tx in ["Array", "Waveform", "Time Series"]:
            dtype.addItem(tx)
        fl.addRow("Data Type", dtype)
        dlg = QtGui.QDialog()
        bx = QtGui.QDialogButtonBox(QtGui.QDialogButtonBox.Ok |
                                    QtGui.QDialogButtonBox.Cancel)
        self.connect(bx, SIGNAL("accepted()"), dlg.accept)
        self.connect(bx, SIGNAL("rejected()"), dlg.reject)
        h1 = QtGui.QHBoxLayout()
        h1.addStretch()
        h1.addWidget(bx)
        v1 = QtGui.QVBoxLayout()
        v1.addLayout(fl)
        v1.addLayout(h1)
        dlg.setLayout(v1)

        if dlg.exec_():
            self.newElementPlots(str(elem.text()), str(fld.text()),
                                 machlat=(mach, lat),
                                 dtype = str(dtype.currentText()))

    def click_markfam(self, on):
        famname = self.sender().text()
        mks = []
        mach, lat = self.getCurrentMachLattice()
        # need to convert to python str
        for elem in lat.getElementList(str(famname)):
            if elem.family != famname: continue
            if elem.virtual: continue
            mks.append([elem.name, 0.5*(elem.sb+elem.se)])

        for w in self.mdiarea.subWindowList(): w.setMarkers(mks, on)
        #print self._machlat.keys()

    def _reset_correctors(self):
        self.logger.info("reset correctors")
        aphla.hlalib._reset_trims()

    def _reset_quadrupoles(self):
        self.logger.info("reset quadrupoles")
        aphla.hlalib._reset_quad()

    def _random_hkick(self):
        mach, lat = self.getCurrentMachLattice()
        hcors = lat.getElementList('HCOR')
        for k in range(3):
            i = np.random.randint(len(hcors))
            self.logger.info("Setting {0}/{1} HCOR".format(i, len(hcors)))
            hcors[i].x += np.random.rand() * 2e-6


    def _random_vkick(self):
        mach, lat = self.getCurrentMachLattice()
        cors = lat.getElementList('VCOR')
        for k in range(3):
            i = np.random.randint(len(cors))
            cors[i].y += np.random.rand() * 1e-6
            self.logger.info("increased kicker '{0}' by 1e-7 ({1} {2})".format(
                cors[i].name, cors[i].y, cors[i].getUnit('y', None)))

    def viewDcctPlot(self, on):
        self.dcct.setVisible(on)

    def liveData(self, on):
        """Switch on/off live data taking"""
        self.live_orbit = on

    def scalePlot(self):
        w = self.mdiarea.currentSubWindow()
        if not w: return
        st, p = self.sender().text(), w.aplot
        if st == "Fit":
            p.scaleXBottom()
            p.scaleYLeft()
            # a hack
            bound = p.curvesBound()
            p.zoomer1.setZoomStack([bound])
        elif st == "Fit In Y":
            p.scaleYLeft()
        elif st == "Zoom In Y":
            p.scaleYLeft(1./1.5)
        elif st == "Zoom Out Y":
            p.scaleYLeft(1.5)
        elif st == "Move Up":
            p.moveCurves(Qwt.QwtPlot.yLeft, 0.8)
        elif st == "Move Down":
            p.moveCurves(Qwt.QwtPlot.yLeft, -0.8)
        elif st == "Fit In X":
            p.scaleXBottom()
        elif st == "Zoom In X":
            p.scaleXBottom(1.0/1.5)
        elif st == "Zoom Out X":
            p.scaleXBottom(1.5)            
        elif st == "Move Left":
            p.moveCurves(Qwt.QwtPlot.xBottom, 0.8)
        elif st == "Move Right":
            p.moveCurves(Qwt.QwtPlot.xBottom, -0.8)
        else:
            self.logger.error("unknow action '{0}'".format(st))

    def getVisibleRange(self):
        w = self.mdiarea.currentSubWindow()
        if not w: 
            mach, lat = self.getCurrentMachLattice()
            self.logger.warn("no active plot, use full range of {0}.{1}".format(
                mach, lat.name))
            return lat.getLocationRange()
        else:
            return w.currentXlim()
        
    def getVisibleElements(self, elemname, sb = None, se = None):
        w = self.mdiarea.currentSubWindow()
        mach, lat = self.getCurrentMachLattice()
        elems = lat.getElementList(elemname)
        if sb is not None: 
            elems = [e for e in elems if e.sb >= sb]
        if se is not None:
            elems = [e for e in elems if e.se <= se]

        self.logger.info("searching for '{0}' in range [{1}, {2}]".format(
            elemname, sb, se))

        return elems

    def timerEvent(self, e):
        if e.timerId() != self.timerId: return

        #if not self.elemeditor.isHidden():
        #    self.elemeditor.updateModelData()

        #if self.live_orbit:
        #    self.itimer += 1
        #    #self.updatePlots()
        #    #self.updateStatus()
        #    for w in self.mdiarea.subWindowList():
        #        if not isinstance(w, ApMdiSubPlot): continue
        #        if not w.live: continue
        #        w.updatePlot()
        #    self.statusBar().showMessage("plot updated: {0}".format(
        #        time.strftime("%F %T")))
        #else:
        #    self.statusBar().showMessage("live update disabled")
            
            
    def singleShot(self):
        for w in self.mdiarea.subWindowList():
            if not isinstance(w, ApMdiSubPlot):  continue
            w.updatePlot()

        self.statusBar().showMessage("plot updated: {0}".format(
            time.strftime("%F %T")))


    def elementSelected(self, elems):
        """this action is ignored"""
        mach, lat, elemnames = elems
        #_lat = self._machlat[mach][lat]
        self.logger.info("element selected")

        #elemobjs = _lat.getElementList(elemnames)
        #self._elemed.addElements(elemobjs)

    def activeOrbitPlot(self, field):
        mach = str(self.machBox.currentText())
        lat = str(self.latBox.currentText())
        for w in self.mdiarea.subWindowList():
            #print w.machine(), w.lattice(), w.data.yfield
            if not isinstance(w, ApMdiSubPlot):  continue
            if w.machine() != mach: continue
            if w.lattice() != lat: continue
            if w.data.yfield != field: continue
            return w

        return None

    def createLocalBump_(self):
        """create local bump"""
        if self._dlgOrbitCor is None:
            bpms = ap.getElements("BPM")
            cors = ap.getElements("COR")
            self._dlgOrbitCor = OrbitCorrDlg(bpms, cors)
            #corbitdlg.resize(600, 500)
            self._dlgOrbitCor.setWindowTitle("Create Local Bump")
        self._dlgOrbitCor.show()
        self._dlgOrbitCor.raise_()
        self._dlgOrbitCor.activateWindow()

    def createLocalBump(self):
        """create local bump"""
        bpms = ap.getElements("BPM")
        cors = ap.getElements("COR")
        dlgOrbitCor = OrbitCorrDlg(bpms, cors, parent=self)
        #corbitdlg.resize(600, 500)
        dlgOrbitCor.setWindowTitle("Create Local Bump")
        dlgOrbitCor.show()
        dlgOrbitCor.raise_()
        dlgOrbitCor.activateWindow()
        dlgOrbitCor.setAttribute(Qt.WA_DeleteOnClose)

    def runBba(self):
        mach, lat = self.getCurrentMachLattice()
        bpms = [e for e in lat.getElementList('BPM') 
                if e not in self.physics.deadelems]
        self.physics.runBba(bpms)

    def plotSVD(self):
        mach, lat = self.getCurrentMachLattice()
        if not lat.ormdata:
            QMessageBox.critical(self, "ORM SVD", 
                                 "machine '%s' ORM data is not available" % \
                                 mach,
                                 QMessageBox.Ok)
            return
        m, brec, trec = lat.ormdata.getMatrix(None, None, full=False, 
                                              ignore=self.getDeadElements())
        U, s, V = np.linalg.svd(m, full_matrices=True)
        #print np.shape(s), s
        self.sp = ApSvdPlot(s)
        self.sp.show()


    def tileSubWindowsHorizontally(self):
        pos = QtCore.QPoint(0, 0)
        subwins = self.mdiarea.subWindowList()
        for w in subwins:
            height = self.mdiarea.height()/len(subwins)
            rect = QtCore.QRect(0, 0, self.mdiarea.width(), height)
            w.setGeometry(rect)
            w.move(pos)
            pos.setY(pos.y() + w.height())