Exemplo n.º 1
0
class ViewChemicalShiftsPopup(BasePopup):
    """
  **A Table of Chemical Shifts for Export**
  
  This section is designed to make a layout of a table for chemical shifts  on a
  per-residue basis which may them be exported as either PostScript, for
  printing and graphical manipulation, or as plain text for import into other
  software or computer scripts. 

  The user chooses the molecular chain (which sequence) and the shift list to
  use at the top of the popup, together with a few other options that control
  how things are rendered. Then buttons are toggled to select which kinds of
  atom will be displayed in aligned columns; other kinds will simply be listed
  to the right of the columns. Thus for example if the shift list does not
  contain any carbonyl resonances in a protein chain then the user may toggle
  the empty "C" column off.

  Once the desired layout is achieved the user then uses the [Export PostScript]
  or [Export Text] buttons to write the data into a file of the appropriate
  type. The user will be presented wit ha file browser to specify the location
  and the name of the file to be saved. It should be noted that although the
  graphical display in the popup itself is somewhat limited, e.g. the gaps and
  spacing doesn't always look perfect, the PostScript version that is exported
  is significantly neater.

  **Caveats & Tips**

  If you need a chemical shift list represented in a particular format, specific
  for a particular external NMR program then you should use the FormatConverter
  software.

  Chemical shifts may also be exported from any table in Analysis that contains
  such data by clicking the right mouse button over the table and selecting the
  export option. 

  """
    def __init__(self, parent, *args, **kw):

        self.shiftList = None
        self.font = 'Helvetica 10'
        self.boldFont = 'Helvetica 10 bold'
        self.symbolFont = 'Symbol 8'
        self.smallFont = 'Helvetica 8'
        self.chain = None
        self.textOut = ''
        self.textMatrix = []

        BasePopup.__init__(self,
                           parent=parent,
                           title='Chart : Chemical Shifts Table')

    def body(self, guiFrame):

        row = 0
        frame = Frame(guiFrame, grid=(row, 0))
        frame.expandGrid(None, 6)

        label = Label(frame, text='Chain:', grid=(0, 0))
        tipText = 'Selects which molecular chain to show residues and chemical shift values for'
        self.chainPulldown = PulldownList(frame,
                                          callback=self.changeChain,
                                          grid=(0, 1),
                                          tipText=tipText)

        label = Label(frame, text='  Shift List:', grid=(0, 2))
        tipText = 'Selects which shift list is used to derive the displayed chemical shift values'
        self.shiftListPulldown = PulldownList(frame,
                                              callback=self.changeShiftList,
                                              grid=(0, 3),
                                              tipText=tipText)

        label = Label(frame, text=' List all shifts:', grid=(0, 4))
        tipText = 'Sets whether to display all the chemical shifts for residues or just for the nominated atom types in columns'
        self.otherShiftsSelect = CheckButton(frame,
                                             callback=self.draw,
                                             grid=(0, 5),
                                             tipText=tipText)

        utilButtons = UtilityButtonList(frame,
                                        helpUrl=self.help_url,
                                        grid=(0, 7))

        row += 1
        frame = Frame(guiFrame, grid=(row, 0))
        frame.expandGrid(None, 6)

        label = Label(frame, text=' 1-letter codes:', grid=(0, 0))
        tipText = 'Whether to use 1-letter residue codes in the table, or otherwise Ccp/three-letter codes'
        self.oneLetterSelect = CheckButton(frame,
                                           callback=self.draw,
                                           grid=(0, 1),
                                           selected=False,
                                           tipText=tipText)

        precisions = [0.1, 0.01, 0.001]
        texts = [str(t) for t in precisions]
        label = Label(frame, text='  1H precision:', grid=(0, 2))
        tipText = 'Specifies how many decimal places to use when displaying 1H chemical shift values'
        self.protonPrecisionSelect = PulldownList(frame,
                                                  texts=texts,
                                                  objects=precisions,
                                                  callback=self.draw,
                                                  index=1,
                                                  grid=(0, 3),
                                                  tipText=tipText)

        label = Label(frame, text='  Other precision:')
        label.grid(row=0, column=4, sticky='w')
        tipText = 'Specifies how many decimal places to use when displaying chemical shift values for isotopes other than 1H'
        self.otherPrecisionSelect = PulldownList(frame,
                                                 texts=texts,
                                                 objects=precisions,
                                                 callback=self.draw,
                                                 index=1,
                                                 grid=(0, 5),
                                                 tipText=tipText)

        row += 1
        frame = Frame(guiFrame, grid=(row, 0))
        frame.expandGrid(None, 1)

        label = Label(frame, text='Column\nAtoms:', grid=(0, 0))
        tipText = 'Selects which kinds of atoms are displayed in aligned columns, or otherwise displayed at the end of the residue row (if "List all shifts" is set)'
        self.optSelector = PartitionedSelector(frame,
                                               self.toggleOpt,
                                               tipText=tipText,
                                               maxRowObjects=10,
                                               grid=(0, 1),
                                               sticky='ew')
        options = ['H', 'N', 'C', 'CA', 'CB', 'CG']
        self.optSelector.update(objects=options,
                                labels=options,
                                selected=['H', 'N', 'CA'])

        row += 1
        guiFrame.expandGrid(row, 0)
        self.canvasFrame = ScrolledCanvas(guiFrame,
                                          relief='groove',
                                          width=650,
                                          borderwidth=2,
                                          resizeCallback=None,
                                          grid=(row, 0),
                                          padx=1,
                                          pady=1)
        self.canvas = self.canvasFrame.canvas
        #self.canvas.bind('<Button-1>', self.toggleResidue)

        row += 1
        tipTexts = [
            'Output information from the table as PostScript file, for printing etc.',
            'Output information from the table as a whitespace separated plain text file'
        ]
        commands = [self.makePostScript, self.exportText]
        texts = ['Export PostScript', 'Export Text']
        buttonList = ButtonList(guiFrame,
                                commands=commands,
                                texts=texts,
                                grid=(row, 0),
                                tipTexts=tipTexts)

        chains = self.getChains()
        if len(chains) > 1:
            self.chain = chains[1]
        else:
            self.chain = None

        self.updateShiftLists()
        self.updateChains()
        self.otherShiftsSelect.set(True)
        self.update()

        for func in ('__init__', 'delete'):
            self.registerNotify(self.updateChains,
                                'ccp.molecule.MolSystem.Chain', func)
        for func in ('__init__', 'delete'):
            self.registerNotify(self.updateShiftLists, 'ccp.nmr.Nmr.ShiftList',
                                func)

    def changeShiftList(self, shiftList):

        if shiftList is not self.shiftList:
            self.shiftList = shiftList
            self.update()

    def updateShiftLists(self, *opt):

        names = []
        index = 0

        shiftLists = getShiftLists(self.nmrProject)

        shiftList = self.shiftList

        if shiftLists:
            names = [
                '%s [%d]' % (sl.name or '<No name>', sl.serial)
                for sl in shiftLists
            ]
            if shiftList not in shiftLists:
                shiftList = shiftLists[0]

            index = shiftLists.index(shiftList)

        if self.shiftList is not shiftList:
            self.shiftList = shiftList

        self.shiftListPulldown.setup(names, shiftLists, index)

    def getChains(self):

        chains = [
            None,
        ]
        for molSystem in self.project.sortedMolSystems():
            for chain in molSystem.sortedChains():
                if len(chain.residues) > 1:
                    chains.append(chain)

        return chains

    def changeChain(self, chain):

        if chain is not self.chain:
            self.chain = chain
            self.update()

    def updateChains(self, *opt):

        names = []
        index = -1

        chains = self.getChains()
        chain = self.chain

        if len(chains) > 1:
            names = [
                'None',
            ] + ['%s:%s' % (ch.molSystem.code, ch.code) for ch in chains[1:]]
            if chain not in chains:
                chain = chains[1]

            index = chains.index(chain)

        else:
            chain = None

        self.chainPulldown.setup(names, chains, index)

    def destroy(self):

        for func in ('__init__', 'delete'):
            self.unregisterNotify(self.updateChains,
                                  'ccp.molecule.MolSystem.Chain', func)
        for func in ('__init__', 'delete'):
            self.unregisterNotify(self.updateShiftLists,
                                  'ccp.nmr.Nmr.ShiftList', func)

        BasePopup.destroy(self)

    def exportText(self, *event):

        from memops.gui.FileSelect import FileType
        from memops.gui.FileSelectPopup import FileSelectPopup

        if self.textOut:
            fileTypes = [
                FileType('Text', ['*.txt']),
                FileType('CSV', ['*.csv']),
                FileType('All', ['*'])
            ]
            fileSelectPopup = FileSelectPopup(self,
                                              file_types=fileTypes,
                                              title='Save table as text',
                                              dismiss_text='Cancel',
                                              selected_file_must_exist=False)

            fileName = fileSelectPopup.getFile()

            if fileName:
                file = open(fileName, 'w')
                if fileName.endswith('.csv'):
                    for textRow in self.textMatrix:
                        file.write(','.join(textRow) + '\n')
                else:
                    file.write(self.textOut)

    def toggleOpt(self, selected):

        self.draw()

    def makePostScript(self):

        self.canvasFrame.printCanvas()

    def update(self):

        colors = []
        selected = set()
        atomNames = set()

        if self.chain:
            for residue in self.chain.sortedResidues():
                for atom in residue.atoms:
                    chemAtom = atom.chemAtom

                    if colorDict.get(chemAtom.elementSymbol) is None:
                        continue

                    if chemAtom.waterExchangeable:
                        continue

                    atomNames.add(atom.name[:2])

                molType = residue.molResidue.molType
                if molType == 'protein':
                    selected.add('H')
                    selected.add('N')
                    selected.add('CA')
                    selected.add('C')

                elif molType == 'DNA':
                    selected.add("C1'")

                elif molType == 'RNA':
                    selected.add("C1'")

                elif molType == 'carbohydrate':
                    selected.add("C1")

        else:
            for spinSystem in self.shiftList.nmrProject.resonanceGroups:
                if not spinSystem.residue:
                    for resonance in spinSystem.resonances:
                        for name in resonance.assignNames:
                            atomNames.add(name)

        options = list(atomNames)

        molType = 'protein'
        if self.chain:
            molType = self.chain.molecule.molType
        options = greekSortAtomNames(options, molType=molType)

        if 'H' in options:
            options.remove('H')
            options = [
                'H',
            ] + options
        colors = [colorDict.get(n[0]) for n in options]

        if options and not selected:
            selected = [
                options[0],
            ]

        self.optSelector.update(objects=options,
                                labels=options,
                                colors=colors,
                                selected=list(selected))

        self.draw()

    def draw(self, *opt):

        if not self.shiftList:
            return

        nmrProject = self.shiftList.nmrProject
        shiftList = self.shiftList
        font = self.font
        bfont = self.boldFont
        symbolFont = self.symbolFont
        sFont = self.smallFont
        bbox = self.canvas.bbox
        doOthers = self.otherShiftsSelect.get()

        spc = 4
        gap = 14
        x = gap
        y = gap
        ct = self.canvas.create_text
        cl = self.canvas.create_line
        cc = self.canvas.coords

        self.canvas.delete('all')

        ssDict = {}

        formatDict = {
            0.1: '%.1f',
            0.01: '%.2f',
            0.001: '%.3f',
        }

        protonFormat = formatDict[self.protonPrecisionSelect.getObject()]
        otherFormat = formatDict[self.otherPrecisionSelect.getObject()]

        uSpinSystems = []
        chains = set()
        molSystems = set()

        for spinSystem in nmrProject.resonanceGroups:

            residue = spinSystem.residue
            if residue:
                ssDict[residue] = ssDict.get(residue, []) + [
                    spinSystem,
                ]
            else:
                uSpinSystems.append((spinSystem.serial, spinSystem))

        uSpinSystems.sort()

        commonAtoms = self.optSelector.getSelected()
        N = len(commonAtoms)

        chain = self.chain

        if chain:
            spinSystems = []
            for residue in chain.sortedResidues():
                spinSystems0 = ssDict.get(residue, [])

                for spinSystem in spinSystems0:
                    if spinSystem and spinSystem.resonances:
                        spinSystems.append([residue, spinSystem])
        else:
            spinSystems = uSpinSystems

        strings = []

        doOneLetter = self.oneLetterSelect.get()

        if spinSystems:

            x = gap
            y += gap

            numItems = []
            codeItems = []
            commonItems = []
            otherItems = []

            numWidth = 0
            codeWidth = 0
            commonWidths = [0] * N
            commonCounts = [0] * N

            for residue, spinSystem in spinSystems:

                if type(residue) is type(1):
                    seqNum = '{%d}' % residue

                    if doOneLetter:
                        ccpCode = '-'
                    else:
                        ccpCode = spinSystem.ccpCode or ''

                else:
                    if doOneLetter:
                        ccpCode = residue.chemCompVar.chemComp.code1Letter

                    else:
                        ccpCode = getResidueCode(residue)

                    seqNum = str(residue.seqCode)

                subStrings = []
                subStrings.append(seqNum)
                subStrings.append(ccpCode)

                item = ct(x, y, text=seqNum, font=font, anchor='se')
                box = bbox(item)
                iWidth = box[2] - box[0]
                numWidth = max(numWidth, iWidth)
                numItems.append(item)

                item = ct(x, y, text=ccpCode, font=font, anchor='sw')
                box = bbox(item)
                iWidth = box[2] - box[0]
                codeWidth = max(codeWidth, iWidth)
                codeItems.append(item)

                commonShifts, commonElements, otherShifts = self.getShiftData(
                    spinSystem, shiftList, commonAtoms)

                items = []
                for i in range(N):
                    values = commonShifts[i]
                    element = commonElements[i]

                    if element == 'H':
                        shiftFormat = protonFormat
                    else:
                        shiftFormat = otherFormat

                    subItems = []
                    for value in values:
                        text = shiftFormat % value

                        if text:
                            item = ct(x, y, text=text, font=font, anchor='se')
                            box = bbox(item)
                            iWidth = box[2] - box[0]
                            commonWidths[i] = max(commonWidths[i], iWidth)
                            commonCounts[i] += 1
                            subItems.append(item)

                    subStrings.append(
                        ','.join([shiftFormat % v for v in values]) or '-')

                    items.append(subItems)

                commonItems.append(items)

                if doOthers:
                    items0 = []
                    i = 0
                    I = len(otherShifts)
                    for atomLabel, element, value in otherShifts:

                        label = atomLabel
                        if label[0] == '?':
                            label = label[3:-1]

                        if element == 'H':
                            shiftFormat = protonFormat
                        else:
                            shiftFormat = otherFormat

                        subStrings.append('%6s:%-4s' %
                                          (shiftFormat % value, label))
                        i += 1

                        atoms = atomLabel.split('|')

                        items = []
                        j = 0
                        for atom in atoms:
                            text = element
                            if j > 0:
                                text = '/' + text

                            item = ct(x, y, text=text, font=font, anchor='sw')
                            box = bbox(item)
                            iWidth = box[2] - box[0] - 3
                            items.append((iWidth, item, 0))

                            p = len(element)
                            if len(atom) > p:
                                letter = atom[p]
                                if letter not in ('0123456789'):
                                    item = ct(x,
                                              y,
                                              text=letter.lower(),
                                              font=symbolFont,
                                              anchor='sw')
                                    box = bbox(item)
                                    iWidth = box[2] - box[0] - 2
                                    items.append((iWidth, item, -4))
                                    p += 1

                            text = atom[p:]
                            if text:
                                item = ct(x,
                                          y,
                                          text=text,
                                          font=sFont,
                                          anchor='sw')
                                box = bbox(item)
                                iWidth = box[2] - box[0] - 2
                                items.append((iWidth, item, -4))
                            j += 1

                        text = ' ' + shiftFormat % value
                        if i != I:
                            text += ','

                        item = ct(x, y, text=text, font=font, anchor='sw')
                        box = bbox(item)
                        iWidth = box[2] - box[0] - 4
                        items.append((iWidth, item, 0))

                        items0.append(items)

                    otherItems.append(items0)

                strings.append(subStrings)

            y0 = y
            x = x0 = gap + numWidth + codeWidth + spc + spc
            for i in range(N):

                if not commonCounts[i]:
                    continue

                x += commonWidths[i] + spc + spc

                element = commonElements[i]

                iWidth = 0
                text = commonAtoms[i][len(element):].lower()
                if text:
                    item = ct(x, y, text=text, font=symbolFont, anchor='se')
                    box = bbox(item)
                    iWidth = box[2] - box[0] - 2

                ct(x - iWidth, y, text=element, font=font, anchor='se')

            y += gap

            for i in range(len(numItems)):
                x = gap + numWidth + spc

                cc(numItems[i], x, y)

                x += spc

                cc(codeItems[i], x, y)

                x += codeWidth

                x1 = x + spc

                yM = y
                for j in range(N):
                    if not commonCounts[j]:
                        continue

                    x += commonWidths[j] + spc + spc

                    items = commonItems[i][j]

                    yB = y - gap
                    for item in items:
                        yB += gap
                        cc(item, x, yB)
                        yM = max(yB, yM)

                x += gap

                if doOthers:
                    x += spc
                    x3 = x

                    for items in otherItems[i]:
                        if x > 550:
                            x = x3
                            y += gap

                        for iWidth, item, dy in items:
                            cc(item, x, y + dy)
                            x += iWidth

                y = max(y, yM)
                y += gap

            x = x0
            for i in range(N):
                if not commonCounts[i]:
                    continue

                x += commonWidths[i] + spc + spc

                cl(x + 8, y0, x + 8, y - gap, width=0.3, fill='#808080')

            cl(x1, y0, x1, y - gap, width=0.3, fill='#808080')
            cl(0, 0, 550, 0, width=0.3, fill='#FFFFFF')

            y += gap

        textWidths = {}
        for subStrings in strings:
            for i, text in enumerate(subStrings):
                if text and len(text) > textWidths.get(i, 0):
                    textWidths[i] = len(text)
                else:
                    textWidths[i] = 0

        formats = {}
        for i in textWidths.keys():
            formats[i] = ' %%%ds' % max(6, textWidths[i])

        textOut = '!'
        textRow = ['', '']
        textMatrix = [textRow]
        textOut += ' ' * (max(6, textWidths.get(0, 6)) +
                          max(6, textWidths.get(1, 6)) + 1)

        i = 2
        for atom in commonAtoms:
            if i in formats:
                textOut += formats[i] % atom
                textRow.append((formats[i] % atom).strip())
                i += 1
        textOut += '\n'

        for subStrings in strings:
            textRow = []
            textMatrix.append(textRow)
            i = 0
            for text in subStrings:
                textOut += formats[i] % text
                textRow.append((formats[i] % text).strip())
                i += 1

            textOut += '\n'

        self.textOut = textOut
        self.textMatrix = textMatrix

    def getShiftData(self,
                     spinSystem,
                     shiftList,
                     commonAtoms=('H', 'N', 'CA', 'CB')):

        commonShifts = []
        commonResonances = {}
        commonElements = []

        for atomName in commonAtoms:
            elements = set()
            resonances = []

            for resonance in spinSystem.resonances:
                resonanceSet = resonance.resonanceSet

                if resonanceSet:
                    for atomSet in resonanceSet.atomSets:
                        for atom in atomSet.atoms:
                            if atomName == atom.name[:2]:
                                resonances.append(resonance)
                                break

                        else:
                            continue
                        break

                else:
                    for assignName in resonance.assignNames:
                        if atomName == assignName[:2]:
                            resonances.append(resonance)
                            break

            shiftValues = []
            for resonance in resonances:
                isotope = resonance.isotope
                if isotope:
                    elements.add(isotope.chemElement.symbol)
                commonResonances[resonance] = True
                shift = resonance.findFirstShift(parentList=shiftList)
                if shift:
                    shiftValues.append(shift.value)

            if not elements:
                element = atomName[0]
            else:
                element = elements.pop()

            commonElements.append(element)
            commonShifts.append(shiftValues)

        otherShifts = []
        for resonance in spinSystem.resonances:
            if not commonResonances.get(resonance):
                shift = resonance.findFirstShift(parentList=shiftList)

                if shift:
                    isotope = resonance.isotope

                    if isotope:
                        element = isotope.chemElement.symbol
                    else:
                        element = '??'

                    if resonance.assignNames or resonance.resonanceSet:
                        name = getResonanceName(resonance)
                    else:
                        name = '??[%d]' % resonance.serial

                    otherShifts.append((name, element, shift.value))

        molType = 'protein'
        if spinSystem.residue:
            molType = spinSystem.residue.molResidue.molType

        otherShifts = greekSortAtomNames(otherShifts, molType)

        return commonShifts, commonElements, otherShifts
Exemplo n.º 2
0
class ConfirmSeqSpinSystemsPopup(BasePopup):
    def __init__(self, parent, *args, **kw):

        self.guiParent = parent
        self.spinSystems = []
        self.spectrum = None
        self.spectra = []
        self.waiting = 0
        self.shiftList = None
        self.spinSystem = None
        self.link = '-1'

        BasePopup.__init__(self,
                           parent=parent,
                           title="Confirm Sequential Spin System",
                           **kw)

    def body(self, guiFrame):

        guiFrame.grid_columnconfigure(0, weight=1)

        row = 0

        frame = Frame(guiFrame)
        frame.grid(row=row, column=0, sticky='nsew')
        frame.grid_columnconfigure(3, weight=1)

        label = Label(frame, text='Shift List:')
        label.grid(row=0, column=0, sticky='w')

        self.shiftListPulldown = PulldownMenu(frame,
                                              callback=self.setShiftList)
        self.shiftListPulldown.grid(row=0, column=1, sticky='w')

        label = Label(frame, text='Sequential Link Type:')
        label.grid(row=0, column=2, sticky='w')

        entries = ['-1', '-1,+1', '+1']
        self.linkPulldown = PulldownMenu(frame,
                                         callback=self.setLink,
                                         entries=entries,
                                         do_initial_callback=False,
                                         selected_index=entries.index(
                                             self.link))
        self.linkPulldown.grid(row=0, column=3, sticky='w')

        row += 1
        frame = LabelFrame(guiFrame, text='Link Atoms:')
        frame.grid(row=row, column=0, sticky='nsew')
        frame.grid_columnconfigure(0, weight=1)
        frame.grid_rowconfigure(0, weight=1)

        labels = ['C', 'CA', 'CB', 'CG', 'CD', 'H', 'HA', 'HB', 'HG', 'HD']
        selected = ['CA', 'CB']
        self.atomSelector = PartitionedSelector(frame,
                                                objects=labels,
                                                labels=labels,
                                                selected=selected,
                                                toggledBg='#808080',
                                                callback=self.changeAtoms,
                                                maxRowObjects=10)
        self.atomSelector.grid(row=0, column=0, sticky='ew')

        row += 1
        guiFrame.grid_rowconfigure(row, weight=1)

        frame = LabelFrame(guiFrame, text='Predicted Residue Assignments')
        frame.grid(row=row, column=0, sticky='nsew')
        frame.grid_columnconfigure(0, weight=1)
        frame.grid_rowconfigure(0, weight=1)

        headingList = [
            '#', 'Predicted\nResidue', 'Prob.', 'Links', 'CA', 'CA -1', 'CB',
            'CB -1'
        ]
        self.spinSystemMatrix = ScrolledMatrix(frame,
                                               headingList=headingList,
                                               callback=self.selectSpinSystem,
                                               multiSelect=1)
        self.spinSystemMatrix.grid(row=0, column=0, sticky='nsew')

        row += 1
        texts = ['Link Selected', 'Link All', 'Commit Assignment']
        commands = [
            self.linkSelectedSpinSystems, self.linkAllSpinSystems,
            self.commitAssignments
        ]
        buttonList = UtilityButtonList(guiFrame,
                                       texts=texts,
                                       commands=commands,
                                       helpUrl=self.help_url)
        buttonList.grid(row=row, column=0, sticky='ew')

        self.buttons = buttonList.buttons

        for func in ('__init__', 'delete'):
            for clazz in ('ccp.nmr.Nmr.ShiftList', ):
                self.registerNotify(self.updateShiftLists, clazz, func)

        for func in ('__init__', 'delete', 'setNmrChains', 'setResidue',
                     'setResonances', 'addResonance', 'removeResonance'):
            self.registerNotify(self.updateSpinSystemsAfter,
                                'ccp.nmr.Nmr.ResonanceGroup', func)

        self.updateShiftLists()

    def setLink(self, index, name):

        self.link = name
        self.updateSpinSystemsAfter()

    def updateButtons(self):

        if len(self.spinSystemMatrix.currentObjects) > 1:
            self.buttons[0].enable()
        else:
            self.buttons[0].disable()

        if self.spinSystemMatrix.objectList:
            self.buttons[1].enable()
        else:
            self.buttons[1].disable()

        if self.spinSystem:
            self.buttons[2].enable()
        else:
            self.buttons[2].disable()

    def changeAtoms(self, *opt):

        self.updateSpinSystemsAfter()

    def getShiftListNames(self, shiftLists):

        shiftListNames = []
        for shiftList in shiftLists:
            if not hasattr(shiftList, 'name'):
                shiftList.name = "ShiftList " + str(shiftList.serial)
            elif not shiftList.name:
                shiftList.name = "ShiftList " + str(shiftList.serial)
            shiftListNames.append(shiftList.name)

        return shiftListNames

    def updateShiftLists(self, *opt):

        shiftLists = list(
            self.nmrProject.findAllMeasurementLists(className='ShiftList'))
        shiftListNames = self.getShiftListNames(shiftLists)
        shiftList = None
        index = -1

        if shiftListNames:

            if self.shiftList in shiftLists:
                shiftList = self.shiftList
            else:
                shiftList = shiftLists[0]

            index = shiftLists.index(shiftList)

        self.shiftList = shiftList
        self.shiftListPulldown.setup(shiftListNames, index)

    def setShiftList(self, index, name=None):

        shiftLists = list(
            self.nmrProject.findAllMeasurementLists(className='ShiftList'))
        if shiftLists:
            self.shiftList = shiftLists[index]
        else:
            self.shiftList = None

        self.updateSpinSystemsAfter()

    def linkSelectedSpinSystems(self):

        spinSystems = self.spinSystemMatrix.currentObjects
        self.linkSpinSystems(spinSystems)

    def linkAllSpinSystems(self):

        spinSystems = self.spinSystemMatrix.objectList
        self.linkSpinSystems(spinSystems)

    def linkSpinSystems(self, spinSystems):

        data = []

        for spinSystem in spinSystems:
            residue, p = self.getProbableResidue(spinSystem)
            key = '%s%s%4.4d' % (residue.chain.molSystem.code,
                                 residue.chain.code, residue.seqCode)
            data.append([key, residue.seqCode, residue, spinSystem])

        data.sort()
        seqCodes = [x[1] for x in data]
        residues = [x[2] for x in data]
        spinSystems = [x[3] for x in data]

        N = len(data)
        for i in range(N):

            if i > 0:
                delta = seqCodes[i] - seqCodes[i - 1]
                if delta == 1 and (residues[i].chain is residues[i - 1].chain):
                    ss = findConnectedSpinSystem(spinSystems[i], delta=-1)
                    if ss:
                        mergeSpinSystems(
                            ss,
                            spinSystems[i -
                                        1])  # copy resonances across & delete

                    makeSeqSpinSystemLink(spinSystems[i - 1],
                                          spinSystems[i],
                                          delta=1)

            if i < N - 1:
                delta = seqCodes[i + 1] - seqCodes[i]
                if delta == 1 and (residues[i].chain is residues[i + 1].chain):
                    ss = findConnectedSpinSystem(spinSystems[i], delta=1)
                    if ss:
                        mergeSpinSystems(
                            ss,
                            spinSystems[i +
                                        1])  # copy resonances across & delete

                    makeSeqSpinSystemLink(spinSystems[i],
                                          spinSystems[i + 1],
                                          delta=1)

        self.updateSpinSystemsAfter()

    def commitAssignments(self):

        merge = showYesNo('Query', 'Merge with any existing spin systems?',
                          self)

        for spinSystem in self.spinSystemMatrix.currentObjects:
            if not spinSystem.residue:
                residue, p = self.getProbableResidue(spinSystem)
                assignSpinSystemResidue(spinSystem, residue, warnMerge=merge)

    def getProbableResidue(self, spinSystem):

        residue = None
        probability = 0.0

        if spinSystem.residue:
            return spinSystem.residue, 1.0

        data = []
        for residueProb in spinSystem.residueProbs:
            data.append((residueProb.weight, residueProb.possibility))
        data.sort()

        if data:
            residue, probability = data[-1]

        return residue, probability

    def getTentativeSpinSystems(self):

        spinSystemsList = []

        if self.project:

            for spinSystem in self.nmrProject.sortedResonanceGroups():
                if spinSystem.residueProbs and not spinSystem.residue:
                    #if spinSystem.residue:
                    residue, p = self.getProbableResidue(spinSystem)
                    key = '%s%s%4.4d' % (residue.chain.molSystem.code,
                                         residue.chain.code, residue.seqCode)
                    spinSystemsList.append((key, spinSystem))

        spinSystemsList.sort()

        return [x[1] for x in spinSystemsList]

    def updateSpinSystemsAfter(self, spinSystem=None):

        if self.waiting:
            return
        else:
            if spinSystem:
                if not spinSystem.residueProbs:
                    return
                if spinSystem.residue:
                    return

            self.waiting = True
            self.after_idle(self.updateSpinSystems)

    def getHeadings(self):

        headingList = ['#', 'Predicted\nResidue', 'Prob.', 'Links']

        atoms = self.atomSelector.getSelected()

        for atom in atoms:

            headingList.append(atom)

            if self.link == '-1':
                headingList.append('%s -1' % atom)
                headingList.append('D %s -1' % atom)

            elif self.link == '+1':
                headingList.append('%s +1' % atom)
                headingList.append('D %s +1' % atom)

            else:
                headingList.append('%s -1' % atom)
                headingList.append('D %s -1' % atom)
                headingList.append('%s +1' % atom)
                headingList.append('D %s +1' % atom)

        return headingList

    def addShiftData(self, spinSystem, datum):

        prevSS, nextSS = self.getConnectedSpinSystems(spinSystem)
        atoms = self.atomSelector.getSelected()
        dict = {}

        residue, p = self.getProbableResidue(spinSystem)
        prevRes = residue.chain.findFirstResidue(seqCode=residue.seqCode - 1)
        nextRes = residue.chain.findFirstResidue(seqCode=residue.seqCode + 1)
        prevSS0 = None
        nextSS0 = None
        for ss in self.getTentativeSpinSystems():
            if self.getProbableResidue(ss)[0] is prevRes:
                prevSS0 = ss
            if self.getProbableResidue(ss)[0] is nextRes:
                nextSS0 = ss
            if nextSS0 and prevSS0:
                break

        for atom in atoms:

            resonances = []
            resonancesPrev = []
            resonancesNext = []
            resonancesPrev0 = []
            resonancesNext0 = []
            for resonance0 in spinSystem.sortedResonances():
                for name in resonance0.assignNames:
                    if name[:2] == atom:
                        resonances.append(resonance0)
                        break

            text = ''
            if resonances:
                text = self.getResonanceText(resonances)
            datum.append(text)

            if prevSS and ('-1' in self.link):
                for resonance0 in prevSS.sortedResonances():
                    for name in resonance0.assignNames:
                        if name[:2] == atom:
                            resonancesPrev.append(resonance0)
                            break

            deltasPrev = []
            if prevSS0 and resonancesPrev:
                for resonance1 in prevSS0.sortedResonances():
                    for name1 in resonance1.assignNames:
                        if name1[:2] == atom:
                            shift1 = resonance1.findFirstShift(
                                parentList=self.shiftList)
                            deltas = []
                            for resonance2 in resonancesPrev:
                                shift2 = resonance2.findFirstShift(
                                    parentList=self.shiftList)
                                if shift1 and shift2:
                                    deltas.append(
                                        abs(shift1.value - shift2.value))

                            if deltas:
                                deltas.sort()
                                deltasPrev.append('%.2f' % deltas[0])
                            break

            if nextSS and ('+1' in self.link):
                for resonance0 in nextSS.sortedResonances():
                    for name in resonance0.assignNames:
                        if name[:2] == atom:
                            resonancesNext.append(resonance0)
                            break

            deltasNext = []
            if nextSS0 and resonancesNext:
                for resonance1 in nextSS0.sortedResonances():
                    for name1 in resonance1.assignNames:
                        if name1[:2] == atom:
                            shift1 = resonance1.findFirstShift(
                                parentList=self.shiftList)
                            deltas = []
                            for resonance2 in resonancesNext:
                                shift2 = resonance2.findFirstShift(
                                    parentList=self.shiftList)
                                if shift1 and shift2:
                                    deltas.append(
                                        abs(shift1.value - shift2.value))

                            if deltas:
                                deltas.sort()
                                deltasNext.append('%.2f' % deltas[0])
                            break

            if self.link == '-1':
                ppms = ''
                diff = ''
                if resonancesPrev:
                    ppms = self.getResonanceText(resonancesPrev)
                    diff = ','.join(deltasPrev)
                datum.append(ppms)
                datum.append(diff)

            elif self.link == '+1':
                ppms = ''
                diff = ''
                if resonancesNext:
                    ppms = self.getResonanceText(resonancesNext)
                    diff = ','.join(deltasNext)
                datum.append(ppms)
                datum.append(diff)

            else:
                ppms = ''
                diff = ''
                if resonancesPrev:
                    ppms = self.getResonanceText(resonancesPrev)
                    diff = ','.join(deltasPrev)
                datum.append(ppms)
                datum.append(diff)

                ppms = ''
                diff = ''
                if resonancesNext:
                    ppms = self.getResonanceText(resonancesNext)
                    diff = ','.join(deltasNext)
                datum.append(ppms)
                datum.append(diff)

    def updateSpinSystems(self):

        textMatrix = []
        objectList = []
        colorMatrix = []
        headingList = self.getHeadings()

        for spinSystem in self.getTentativeSpinSystems():

            residueText = None
            residue, probability = self.getProbableResidue(spinSystem)
            if residue:
                residueText = '%d%s' % (residue.seqCode,
                                        getResidueCode(residue))

            links = []
            color = '#D04040'

            if findConnectedSpinSystem(spinSystem, delta=-1):
                links.append('-1')

            if findConnectedSpinSystem(spinSystem, delta=1):
                links.append('+1')

            if len(links) == 2:
                color = '#40B040'
            elif len(links) == 1:
                color = '#B0B040'

            datum = []
            datum.append(spinSystem.serial)
            datum.append(residueText)
            datum.append(probability)
            datum.append(' '.join(links))

            self.addShiftData(spinSystem, datum)

            colors = [None] * len(headingList)
            colors[3] = color

            objectList.append(spinSystem)
            textMatrix.append(datum)
            colorMatrix.append(colors)

        if self.spinSystem not in objectList:
            self.spinSystem = None

        self.spinSystemMatrix.update(headingList=headingList,
                                     objectList=objectList,
                                     textMatrix=textMatrix,
                                     colorMatrix=colorMatrix)
        self.updateButtons()
        self.waiting = False

    def getResonanceText(self, resonances):

        shifts = []

        for resonance in resonances:
            shift = resonance.findFirstShift(parentList=self.shiftList)
            if shift:
                shifts.append('%.2f' % shift.value)

        return ','.join(shifts)

    def getConnectedSpinSystems(self, spinSystem):

        if self.link == '-1':
            prevSS = findConnectedSpinSystem(spinSystem, delta=-1)
            nextSS = None
        elif self.link == '+1':
            prevSS = None
            nextSS = findConnectedSpinSystem(spinSystem, delta=1)
        else:
            prevSS = findConnectedSpinSystem(spinSystem, delta=-1)
            nextSS = findConnectedSpinSystem(spinSystem, delta=1)

        return prevSS, nextSS

    def selectSpinSystem(self, object, row, col):

        self.spinSystem = object
        self.updateButtons()

    def destroy(self):

        for func in ('__init__', 'delete'):
            for clazz in ('ccp.nmr.Nmr.ShiftList', ):
                self.unregisterNotify(self.updateShiftLists, clazz, func)

        for func in ('__init__', 'delete', 'setNmrChains', 'setResidue',
                     'setResonances', 'addResonance', 'removeResonance'):
            self.unregisterNotify(self.updateSpinSystemsAfter,
                                  'ccp.nmr.Nmr.ResonanceGroup', func)

        BasePopup.destroy(self)