コード例 #1
0
class MultipleDnaSegmentResize_PropertyManager( DnaOrCnt_PropertyManager ):
    
    title         =  "Resize Dna Segments"
    iconPath      =  "ui/actions/Properties Manager/Resize_Multiple_Segments.png"
        
    def __init__( self, command ):
        """
        Constructor for the Build DNA property manager.
        """
        
                
        self.endPoint1 = V(0, 0, 0)
        self.endPoint2 = V(0, 0, 0)
                
        self._numberOfBases = 0 
        self._conformation = 'B-DNA'
        self.duplexRise = 3.18
        self.basesPerTurn = 10
        self.dnaModel = 'PAM3'
        
        _superclass.__init__( self,  command)

        self.showTopRowButtons( PM_DONE_BUTTON | \
                                PM_WHATS_THIS_BUTTON)
        
        msg = "Use resize handles to resize the segments."
        self.updateMessage(msg)   
        
    def connect_or_disconnect_signals(self, isConnect):
        """
        Connect or disconnect widget signals sent to their slot methods.
        This can be overridden in subclasses. By default it does nothing.
        @param isConnect: If True the widget will send the signals to the slot 
                          method. 
        @type  isConnect: boolean
        """
        #TODO: This is a temporary fix for a bug. When you invoke a 
        #temporary mode  entering such a temporary mode keeps the signals of 
        #PM from the previous mode connected (
        #but while exiting that temporary mode and reentering the 
        #previous mode, it atucally reconnects the signal! This gives rise to 
        #lots  of bugs. This needs more general fix in Temporary mode API. 
        # -- Ninad 2008-01-09 (similar comment exists in MovePropertyManager.py
                
        if isConnect and self.isAlreadyConnected:
            if debug_flags.atom_debug:
                print_compact_stack("warning: attempt to connect widgets"\
                                    "in this PM that are already connected." )
            return 
        
        if not isConnect and self.isAlreadyDisconnected:
            if debug_flags.atom_debug:
                print_compact_stack("warning: attempt to disconnect widgets"\
                                    "in this PM that are already disconnected.")
            return
        
        self.isAlreadyConnected = isConnect
        self.isAlreadyDisconnected = not isConnect
        
        if isConnect:
            change_connect = self.win.connect     
        else:
            change_connect = self.win.disconnect 
          
        self.segmentListWidget.connect_or_disconnect_signals(isConnect) 
        change_connect(self.addSegmentsToolButton, 
                        SIGNAL("toggled(bool)"), 
                        self.activateAddSegmentsTool)
        change_connect(self.removeSegmentsToolButton, 
                        SIGNAL("toggled(bool)"), 
                        self.activateRemoveSegmentsTool)
        
    def _update_UI_do_updates(self):
        """
        @see: Command_PropertyManager._update_UI_do_updates()
        @see: DnaSegment_EditCommand.model_changed()
        @see: DnaSegment_EditCommand.hasResizableStructure()
        @see: self._current_model_changed_params()
        """
        
        currentParams = self._current_model_changed_params()
        
        #Optimization. Return from the model_changed method if the 
        #params are the same. 
        if same_vals(currentParams, self._previous_model_changed_params):
            return 
        
        number_of_segments, isStructResizable, why_not = currentParams
        
        #update the self._previous_model_changed_params with this new param set.
        self._previous_model_changed_params = currentParams
        
        if not isStructResizable:
            if not number_of_segments == 0:
                #disable all widgets                
                self._pmGroupBox1.setEnabled(False)
            msg = redmsg("DnaSegment is not resizable. Reason: %s"%(why_not))
            self.updateMessage(msg)
        else:
            if not self._pmGroupBox1.isEnabled():
                self._pmGroupBox1.setEnabled(True)
            msg = "Use resize handles to resize the segments"
            self.updateMessage(msg)
                    
        self.updateListWidgets() 
        ##self.command.updateHandlePositions()
            
                
    def _current_model_changed_params(self):
        """
        Returns a tuple containing the parameters that will be compared
        against the previously stored parameters. This provides a quick test
        to determine whether to do more things in self.model_changed()
        @see: self.model_changed() which calls this
        @see: self._previous_model_changed_params attr. 
        """
        params = None
        
        if self.command:
            #update the list first. 
            self.command.updateResizeSegmentList()
            number_of_segments = len(self.command.getResizeSegmentList())     
            isStructResizable, why_not = self.command.hasResizableStructure()
            params = (number_of_segments, isStructResizable, why_not)
        
        return params 
    
    def isAddSegmentsToolActive(self): 
        """
        Returns True if the add segments tool (which adds the segments to the 
        list of segments to be resized) is active
        """
            
        if self.addSegmentsToolButton.isChecked():
            #For safety
            if not self.removeSegmentsToolButton.isChecked():         
                return True   
            
        return False
            
    
    def isRemoveSegmentsToolActive(self):
        """
        Returns True if the remove segments tool (which removes the segments 
        from the list of segments to be resized) is active
        """
        if self.removeSegmentsToolButton.isChecked():
            if not self.addSegmentsToolButton.isChecked():
                #For safety
                return True               
        return False
    
    def activateAddSegmentsTool(self,enable):
        """
        Change the appearance of the list widget (that lists the dna segments 
        to be resized) so as to indicate that the add dna segments tool is 
        active 
        @param enable: If True, changes the appearance of list widget to 
                       indicate that the add segments tool is active.
        @type  enable: bool
        """
        if enable:
            if not self.addSegmentsToolButton.isChecked():
                self.addSegmentsToolButton.setChecked(True)
            if self.removeSegmentsToolButton.isChecked():
                self.removeSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(False)
            self.segmentListWidget.setColor(lightgreen_2)            
        else:
            if self.addSegmentsToolButton.isChecked():
                self.addSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(True)
            self.segmentListWidget.resetColor()
                
    def activateRemoveSegmentsTool(self,enable):
        """
        Change the appearance of the list widget (that lists the dna segments 
        to be resized) so as to indicate that the REMOVE dna segments tool is 
        active 
        @param enable: If True, changes the appearance of list widget to 
                       indicate that the REMOVE segments tool is active.
        @type  enable: bool
        """
        if enable:
            if not self.removeSegmentsToolButton.isChecked():
                self.removeSegmentsToolButton.setChecked(True)
            if self.addSegmentsToolButton.isChecked():
                self.addSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(False)
            
            self.segmentListWidget.setColor(lightred_1)            
        else:
            if self.removeSegmentsToolButton.isChecked():
                self.removeSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(True)
            self.segmentListWidget.resetColor()
            
    def removeListWidgetItems(self):
        """
        Removes selected atoms from the resize dna segment list widget 
        Example: User selects a bunch of items in the list widget and hits 
        delete key  to remove the selected items from the list
        IMPORTANT NOTE: This method does NOT delete the correspoinging model 
        item in the GLPane (i.e. corresponding dnasegment). It just 'removes'
        the item from the list widget (indicating its no longer being resized) 
        This is intentional. 
        """
        self.segmentListWidget.deleteSelection()
        itemDict = self.segmentListWidget.getItemDictonary()           
        self.command.setResizeStructList(itemDict.values())
        self.updateListWidgets()            
        self.win.win_update()
        

    def _addGroupBoxes( self ):
        """
        Add the Property Manager group boxes.
        """                
        self._pmGroupBox1 = PM_GroupBox( self, title = "Segments for Resizing" )
        self._loadGroupBox1( self._pmGroupBox1 )
        
        self._displayOptionsGroupBox = PM_GroupBox( self, 
                                                    title = "Display Options" )
        self._loadDisplayOptionsGroupBox( self._displayOptionsGroupBox )
        

    def _loadGroupBox1(self, pmGroupBox):
        """
        load widgets in groupbox1
        """
        self.segmentListWidget = PM_SelectionListWidget(
            pmGroupBox,
            self.win,
            label = "",
            heightByRows = 12)
      
        self.segmentListWidget.setFocusPolicy(Qt.StrongFocus)
        self.segmentListWidget.setFocus()
        self.setFocusPolicy(Qt.StrongFocus)       
        
        self.addSegmentsToolButton = PM_ToolButton(
                        pmGroupBox, 
                        text = "Add segments to the list",
                        iconPath  = "ui/actions/Properties Manager"\
                        "/AddSegment_To_ResizeSegmentList.png",
                        spanWidth = True  )
        self.addSegmentsToolButton.setCheckable(True)
        self.addSegmentsToolButton.setAutoRaise(True)
        
        self.removeSegmentsToolButton = PM_ToolButton(
                        pmGroupBox, 
                        text = "Remove segments from the list",
                        iconPath  = "ui/actions/Properties Manager"\
                        "/RemoveSegment_From_ResizeSegmentList.png",
                        spanWidth = True  )
        self.removeSegmentsToolButton.setCheckable(True)
        self.removeSegmentsToolButton.setAutoRaise(True)
        
        #Widgets to include in the widget row. 
        widgetList = [
            ('QLabel', "  Add/Remove Segments:", 0),
            ('QSpacerItem', 5, 5, 1),
            ('PM_ToolButton', self.addSegmentsToolButton, 2),
             ('QSpacerItem', 5, 5, 3),
            ('PM_ToolButton', self.removeSegmentsToolButton, 4),                      
            ('QSpacerItem', 5, 5, 5) ]
        
        widgetRow = PM_WidgetRow(pmGroupBox,
                                 title     = '',
                                 widgetList = widgetList,
                                 label = "",
                                 spanWidth = True )
        
        
    def _addWhatsThisText(self):
        """
        Add what's this text. 
        Abstract method.
        """
        pass
    
    def show(self):
        """
        Overrides the superclass method
        @see: self._deactivateAddRemoveSegmentsTool
        """
        _superclass.show(self)
        ##self.updateListWidgets()       
        self._deactivateAddRemoveSegmentsTool()
        
    def _deactivateAddRemoveSegmentsTool(self):
        """
        Deactivate tools that allow adding or removing the segments to the 
        segment list in the Property manager. This can be simply done by 
        resetting the state of toolbuttons to False. 
        Example: toolbuttons that add or remove 
        segments to the segment list in the Property manager. When self.show
        is called these need to be unchecked. 
        @see: self.isAddSegmentsToolActive()
        @see:self.isRemoveSegmentsToolActive()
        @see: self.show()
        """
        self.addSegmentsToolButton.setChecked(False)
        self.removeSegmentsToolButton.setChecked(False)
        
        
    def listWidgetHasFocus(self):
        """
        Checks if the list widget that lists dnasegments to be resized has the 
        Qt focus. This is used to just remove items from the list widget 
        (without actually 'deleting' the corresponding Dnasegment in the GLPane)
        @see: MultipleDnaSegment_GraphicsMode.keyPressEvent() where it is called
        """
        if self.segmentListWidget.hasFocus():
            return True        
        return False
    
       
    def setParameters(self, params):
        pass
    
    def getParameters(self):
        return ()
    
    def updateListWidgets(self):
        self.updateSegmentListWidget()
    
    def updateSegmentListWidget(self):
        """
        Update the list of segments shown in the segments list widget
        @see: self.updateListWidgets, self.updateStrandListWidget
        """
        segmentList = []
        
        segmentList = self.command.getResizeSegmentList()                        
               
        self.segmentListWidget.insertItems(
            row = 0,
            items = segmentList)
        
        
    def _connect_showCursorTextCheckBox(self):
        """
        Connect the show cursor text checkbox with user prefs_key.
        Overrides 
        DnaOrCnt_PropertyManager._connect_showCursorTextCheckBox
        """
        connect_checkbox_with_boolean_pref(
            self.showCursorTextCheckBox , 
            dnaSegmentEditCommand_showCursorTextCheckBox_prefs_key)


    def _params_for_creating_cursorTextCheckBoxes(self):
        """
        Returns params needed to create various cursor text checkboxes connected
        to prefs_keys  that allow custom cursor texts. 
        @return: A list containing tuples in the following format:
                ('checkBoxTextString' , preference_key). PM_PrefsCheckBoxes 
                uses this data to create checkboxes with the the given names and
                connects them to the provided preference keys. (Note that 
                PM_PrefsCheckBoxes puts thes within a GroupBox)
        @rtype: list
        @see: PM_PrefsCheckBoxes
        @see: self._loadDisplayOptionsGroupBox where this list is used. 
        @see: Superclass method which is overridden here --
        DnaOrCnt_PropertyManager._params_for_creating_cursorTextCheckBoxes()
        """
        params = \
               [  #Format: (" checkbox text", prefs_key)
                  ("Number of base pairs", 
                   dnaSegmentEditCommand_cursorTextCheckBox_numberOfBasePairs_prefs_key),

                   ("Duplex length",
                    dnaSegmentEditCommand_cursorTextCheckBox_length_prefs_key),

                    ("Number of basepairs to be changed",
                     dnaSegmentEditCommand_cursorTextCheckBox_changedBasePairs_prefs_key) 
                 ]

        return params
コード例 #2
0
class ListWidgetItems_PM_Mixin:
    def _loadSegmentListWidget(self, pmGroupBox):
        self.segmentListWidget = PM_SelectionListWidget(pmGroupBox,
                                                        self.win,
                                                        label="",
                                                        heightByRows=12)

        self.segmentListWidget.setFocusPolicy(Qt.StrongFocus)
        self.segmentListWidget.setFocus()
        self.setFocusPolicy(Qt.StrongFocus)

        self.addSegmentsToolButton = PM_ToolButton(
                        pmGroupBox,
                        text = "Add segments to the list",
                        iconPath  = "ui/actions/Properties Manager"\
                        "/AddSegment_To_ResizeSegmentList.png",
                        spanWidth = True  )
        self.addSegmentsToolButton.setCheckable(True)
        self.addSegmentsToolButton.setAutoRaise(True)

        self.removeSegmentsToolButton = PM_ToolButton(
                        pmGroupBox,
                        text = "Remove segments from the list",
                        iconPath  = "ui/actions/Properties Manager"\
                        "/RemoveSegment_From_ResizeSegmentList.png",
                        spanWidth = True  )
        self.removeSegmentsToolButton.setCheckable(True)
        self.removeSegmentsToolButton.setAutoRaise(True)

        #Widgets to include in the widget row.
        widgetList = [('QLabel', "  Add/Remove Segments:", 0),
                      ('QSpacerItem', 5, 5, 1),
                      ('PM_ToolButton', self.addSegmentsToolButton, 2),
                      ('QSpacerItem', 5, 5, 3),
                      ('PM_ToolButton', self.removeSegmentsToolButton, 4),
                      ('QSpacerItem', 5, 5, 5)]

        widgetRow = PM_WidgetRow(pmGroupBox,
                                 title='',
                                 widgetList=widgetList,
                                 label="",
                                 spanWidth=True)

    def listWidgetHasFocus(self):
        """
        Checkes if the list widget that lists dnasegments (that will undergo 
        special operations such as 'resizing them at once or making 
        crossovers between the segments etc) has the 
        Qt focus. This is used to just remove items from the list widget 
        (without actually 'deleting' the corresponding Dnasegment in the GLPane)
        @see: MultipleDnaSegment_GraphicsMode.keyPressEvent() where it is called
        """
        if self.segmentListWidget.hasFocus():
            return True
        return False

    def updateListWidgets(self):
        self.updateSegmentListWidget()

    def updateSegmentListWidget(self):
        """
        Update the list of segments shown in the segments list widget
        @see: self.updateListWidgets, self.updateStrandListWidget
        """
        segmentList = []

        segmentList = self.command.getSegmentList()

        self.segmentListWidget.insertItems(row=0, items=segmentList)

    def isAddSegmentsToolActive(self):
        """
        Returns True if the add segments tool (which adds the segments to the 
        list of segments) is active
        """

        if self.addSegmentsToolButton.isChecked():
            #For safety
            if not self.removeSegmentsToolButton.isChecked():
                return True

        return False

    def isRemoveSegmentsToolActive(self):
        """
        Returns True if the remove segments tool (which removes the segments 
        from the list of segments ) is active
        """
        if self.removeSegmentsToolButton.isChecked():
            if not self.addSegmentsToolButton.isChecked():
                #For safety
                return True
        return False

    def activateAddSegmentsTool(self, enable):
        """
        Change the appearance of the list widget (that lists the dna segments 
        ) so as to indicate that the add dna segments tool is 
        active 
        @param enable: If True, changes the appearance of list widget to 
                       indicate that the add segments tool is active.
        @type  enable: bool
        """
        if enable:
            if not self.addSegmentsToolButton.isChecked():
                self.addSegmentsToolButton.setChecked(True)
            if self.removeSegmentsToolButton.isChecked():
                self.removeSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(False)
            self.segmentListWidget.setColor(lightgreen_2)
            self.command.logMessage('ADD_SEGMENTS_ACTIVATED')
        else:
            if self.addSegmentsToolButton.isChecked():
                self.addSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(True)
            self.segmentListWidget.resetColor()

    def activateRemoveSegmentsTool(self, enable):
        """
        Change the appearance of the list widget (that lists the dna segments 
        ) so as to indicate that the REMOVE dna segments tool is 
        active 
        @param enable: If True, changes the appearance of list widget to 
                       indicate that the REMOVE segments tool is active.
        @type  enable: bool
        """
        if enable:
            if not self.removeSegmentsToolButton.isChecked():
                self.removeSegmentsToolButton.setChecked(True)
            if self.addSegmentsToolButton.isChecked():
                self.addSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(False)
            self.command.logMessage('REMOVE_SEGMENTS_ACTIVATED')
            self.segmentListWidget.setColor(lightred_1)
        else:
            if self.removeSegmentsToolButton.isChecked():
                self.removeSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(True)
            self.segmentListWidget.resetColor()

    def _deactivateAddRemoveSegmentsTool(self):
        """
        Deactivate tools that allow adding or removing the segments to the 
        segment list in the Property manager. This can be simply done by 
        resetting the state of toolbuttons to False. 
        Example: toolbuttons that add or remove 
        segments to the segment list in the Property manager. When self.show
        is called these need to be unchecked. 
        @see: self.isAddSegmentsToolActive()
        @see:self.isRemoveSegmentsToolActive()
        @see: self.show()
        """
        self.addSegmentsToolButton.setChecked(False)
        self.removeSegmentsToolButton.setChecked(False)

    def removeListWidgetItems(self):
        """
        Removes selected itoms from the dna segment list widget 
        Example: User selects a bunch of items in the list widget and hits 
        delete key  to remove the selected items from the list
        IMPORTANT NOTE: This method does NOT delete the correspoinging model 
        item in the GLPane (i.e. corresponding dnasegment). It just 'removes'
        the item from the list widget 
        This is intentional. 
        """
        self.segmentListWidget.deleteSelection()
        itemDict = self.segmentListWidget.getItemDictonary()
        self.command.setSegmentList(itemDict.values())
        self.updateListWidgets()
        self.win.win_update()
コード例 #3
0
class PM_ObjectChooser(PM_GroupBox):
    
    def __init__(self, 
                 parentWidget, 
                 command,
                 modelObjectType,
                 title = '' , 
                 addIcon = "ui/actions/Properties Manager"\
                        "/AddSegment_To_ResizeSegmentList.png",
                 removeIcon = "ui/actions/Properties Manager"\
                        "/RemoveSegment_From_ResizeSegmentList.png"):
        """
        """
        self.isAlreadyConnected = False
        self.isAlreadyDisconnected = False
        
        _superclass.__init__(self, 
                             parentWidget, 
                             title = title)
        
        self.command = command
        self.win = self.command.win        
        self._modelObjectType = modelObjectType
        
        self._addIcon = addIcon
        self._removeIcon = removeIcon
        
        self._loadWidgets()
                
    def getModelObjectType(self):
        return self._modelObjectType    
    
    def setModelObjectType(self, modelObjtype):
        self._modelObjectType = modelObjtype
        
    def connect_or_disconnect_signals(self, isConnect):
        """
        Connect or disconnect widget signals sent to their slot methods.
        This can be overridden in subclasses. By default it does nothing.
        @param isConnect: If True the widget will send the signals to the slot 
                          method. 
        @type  isConnect: boolean
        """
        #TODO: This is a temporary fix for a bug. When you invoke a temporary mode 
        # entering such a temporary mode keeps the signals of 
        #PM from the previous mode connected (
        #but while exiting that temporary mode and reentering the 
        #previous mode, it atucally reconnects the signal! This gives rise to 
        #lots  of bugs. This needs more general fix in Temporary mode API. 
        # -- Ninad 2008-01-09 (similar comment exists in MovePropertyManager.py
                
        if isConnect and self.isAlreadyConnected:
            if debug_flags.atom_debug:
                print_compact_stack("warning: attempt to connect widgets"\
                                    "in this PM that are already connected." )
            return 
        
        if not isConnect and self.isAlreadyDisconnected:
            if debug_flags.atom_debug:
                print_compact_stack("warning: attempt to disconnect widgets"\
                                    "in this PM that are already disconnected.")
            return
        
        self.isAlreadyConnected = isConnect
        self.isAlreadyDisconnected = not isConnect
        
        if isConnect:
            change_connect = self.win.connect     
        else:
            change_connect = self.win.disconnect 
            
                
        self._listWidget.connect_or_disconnect_signals(isConnect) 
        
        change_connect(self._addToolButton, 
                       SIGNAL("toggled(bool)"), 
                       self.activateAddTool)
        change_connect(self._removeToolButton, 
                       SIGNAL("toggled(bool)"), 
                       self.activateRemoveTool)
        
    
    def _loadWidgets(self):
        """
        """
        self._loadSelectionListWidget()
        self._loadAddRemoveButtons()
        
    def _loadSelectionListWidget(self):
        """
        """
        self._listWidget = PM_SelectionListWidget(
            self,
            self.win,
            label = "",
            heightByRows = 12)
      
        self._listWidget.setFocusPolicy(Qt.StrongFocus)
        self._listWidget.setFocus()
        self.setFocusPolicy(Qt.StrongFocus)       
            
    def _loadAddRemoveButtons(self):
        """
        """
        self._addToolButton = PM_ToolButton(
                        self, 
                        text = "Add items to the list",
                        iconPath  = self._addIcon,
                        spanWidth = True  )
        self._addToolButton.setCheckable(True)
        self._addToolButton.setAutoRaise(True)
        
        self._removeToolButton = PM_ToolButton(
                        self, 
                        text = "Remove items from the list",
                        iconPath  = self._removeIcon,
                        spanWidth = True  )
        self._removeToolButton.setCheckable(True)
        self._removeToolButton.setAutoRaise(True)
        
        #Widgets to include in the widget row. 
        widgetList = [
            ('QLabel', "  Add/Remove Items:", 0),
            ('QSpacerItem', 5, 5, 1),
            ('PM_ToolButton', self._addToolButton, 2),
             ('QSpacerItem', 5, 5, 3),
            ('PM_ToolButton', self._removeToolButton, 4),                      
            ('QSpacerItem', 5, 5, 5) ]
        
        widgetRow = PM_WidgetRow(self,
                                 title     = '',
                                 widgetList = widgetList,
                                 label = "",
                                 spanWidth = True )
    
    def isAddToolActive(self): 
        """
        Returns True if the add objects tool is active.
        """
            
        if self._addToolButton.isChecked():
            #For safety
            if not self._removeToolButton.isChecked():         
                return True   
            
        return False            
    
    def isRemoveToolActive(self):
        """
        Returns True if the remove segments tool (which removes the segments 
        from the list of segments ) is active
        """
        if self._removeToolButton.isChecked():
            if not self._addToolButton.isChecked():
                #For safety
                return True               
        return False
    
    def hasFocus(self):
        """
        Checks if the list widget that lists dnasegments (that will undergo 
        special operations such as 'resizing them at once or making 
        crossovers between the segments etc) has the 
        Qt focus. This is used to just remove items from the list widget 
        (without actually 'deleting' the corresponding Dnasegment in the GLPane)
        @see: MultipleDnaSegment_GraphicsMode.keyPressEvent() where it is called
        """
        if self._listWidget.hasFocus():
            return True        
        return False
    
    
    def activateAddTool(self,enable):
        """
        Change the appearance of the list widget (that lists the dna segments 
        ) so as to indicate that the add dna segments tool is 
        active 
        @param enable: If True, changes the appearance of list widget to 
                       indicate that the add segments tool is active.
        @type  enable: bool
        """
        if enable:
            if not self._addToolButton.isChecked():
                self._addToolButton.setChecked(True)
            if self._removeToolButton.isChecked():
                self._removeToolButton.setChecked(False)
            self._listWidget.setAlternatingRowColors(False)
            self._listWidget.setColor(lightgreen_2) 
            ##objectType = self._modelObjectType
            ##objectChooserType = 'ADD'
            ##self.command.activateObjectChooser((objectType, objectChooserType))
            ##self.command.logMessage('ADD_SEGMENTS_ACTIVATED')
        else:
            if self._addToolButton.isChecked():
                self._addToolButton.setChecked(False)
            self._listWidget.setAlternatingRowColors(True)
            self._listWidget.resetColor()
                            
    def activateRemoveTool(self,enable):
        """
        Change the appearance of the list widget (that lists the dna segments 
        ) so as to indicate that the REMOVE dna segments tool is 
        active 
        @param enable: If True, changes the appearance of list widget to 
                       indicate that the REMOVE segments tool is active.
        @type  enable: bool
        """
        if enable:
            if not self._removeToolButton.isChecked():
                self._removeToolButton.setChecked(True)
            if self._addToolButton.isChecked():
                self._addToolButton.setChecked(False)
            self._listWidget.setAlternatingRowColors(False)
            ##self.command.logMessage('REMOVE_SEGMENTS_ACTIVATED')            
            self._listWidget.setColor(lightred_1)            
        else:
            if self._removeToolButton.isChecked():
                self._removeToolButton.setChecked(False)
            self._listWidget.setAlternatingRowColors(True)
            self._listWidget.resetColor()
    
            
    def _deactivateAddRemoveTools(self):
        """
        Deactivate tools that allow adding or removing the segments to the 
        segment list in the Property manager. This can be simply done by 
        resetting the state of toolbuttons to False. 
        Example: toolbuttons that add or remove 
        segments to the segment list in the Property manager. When self.show
        is called these need to be unchecked. 
        @see: self.isAddSegmentsToolActive()
        @see:self.isRemoveSegmentsToolActive()
        @see: self.show()
        """
        self._addToolButton.setChecked(False)
        self._removeToolButton.setChecked(False)
    
    def removeItems(self):
        """
        Removes selected itoms from the dna segment list widget 
        Example: User selects a bunch of items in the list widget and hits 
        delete key  to remove the selected items from the list
        IMPORTANT NOTE: This method does NOT delete the correspoinging model 
        item in the GLPane (i.e. corresponding dnasegment). It just 'removes'
        the item from the list widget 
        This is intentional. 
        """
        self._listWidget.deleteSelection()
        itemDict = self._listWidget.getItemDictonary()           
        self.command.setSegmentList(itemDict.values())
        self.updateListWidget()            
        self.win.win_update() 
        
        
    def updateListWidget(self, objectList = []):
        """
        Update the list of segments shown in the segments list widget
        @see: self.updateListWidgets, self.updateStrandListWidget
        """    
        
        self._listWidget.insertItems(
            row = 0,
            items = objectList)
コード例 #4
0
class PM_ObjectChooser(PM_GroupBox):

    def __init__(self,
                 parentWidget,
                 command,
                 modelObjectType,
                 title = '' ,
                 addIcon = "ui/actions/Properties Manager"\
                        "/AddSegment_To_ResizeSegmentList.png",
                 removeIcon = "ui/actions/Properties Manager"\
                        "/RemoveSegment_From_ResizeSegmentList.png"):
        """
        """
        self.isAlreadyConnected = False
        self.isAlreadyDisconnected = False

        _superclass.__init__(self, parentWidget, title=title)

        self.command = command
        self.win = self.command.win
        self._modelObjectType = modelObjectType

        self._addIcon = addIcon
        self._removeIcon = removeIcon

        self._loadWidgets()

    def getModelObjectType(self):
        return self._modelObjectType

    def setModelObjectType(self, modelObjtype):
        self._modelObjectType = modelObjtype

    def connect_or_disconnect_signals(self, isConnect):
        """
        Connect or disconnect widget signals sent to their slot methods.
        This can be overridden in subclasses. By default it does nothing.
        @param isConnect: If True the widget will send the signals to the slot 
                          method. 
        @type  isConnect: boolean
        """
        #TODO: This is a temporary fix for a bug. When you invoke a temporary mode
        # entering such a temporary mode keeps the signals of
        #PM from the previous mode connected (
        #but while exiting that temporary mode and reentering the
        #previous mode, it atucally reconnects the signal! This gives rise to
        #lots  of bugs. This needs more general fix in Temporary mode API.
        # -- Ninad 2008-01-09 (similar comment exists in MovePropertyManager.py

        if isConnect and self.isAlreadyConnected:
            if debug_flags.atom_debug:
                print_compact_stack("warning: attempt to connect widgets"\
                                    "in this PM that are already connected." )
            return

        if not isConnect and self.isAlreadyDisconnected:
            if debug_flags.atom_debug:
                print_compact_stack("warning: attempt to disconnect widgets"\
                                    "in this PM that are already disconnected.")
            return

        self.isAlreadyConnected = isConnect
        self.isAlreadyDisconnected = not isConnect

        if isConnect:
            change_connect = self.win.connect
        else:
            change_connect = self.win.disconnect

        self._listWidget.connect_or_disconnect_signals(isConnect)

        change_connect(self._addToolButton, SIGNAL("toggled(bool)"),
                       self.activateAddTool)
        change_connect(self._removeToolButton, SIGNAL("toggled(bool)"),
                       self.activateRemoveTool)

    def _loadWidgets(self):
        """
        """
        self._loadSelectionListWidget()
        self._loadAddRemoveButtons()

    def _loadSelectionListWidget(self):
        """
        """
        self._listWidget = PM_SelectionListWidget(self,
                                                  self.win,
                                                  label="",
                                                  heightByRows=12)

        self._listWidget.setFocusPolicy(Qt.StrongFocus)
        self._listWidget.setFocus()
        self.setFocusPolicy(Qt.StrongFocus)

    def _loadAddRemoveButtons(self):
        """
        """
        self._addToolButton = PM_ToolButton(self,
                                            text="Add items to the list",
                                            iconPath=self._addIcon,
                                            spanWidth=True)
        self._addToolButton.setCheckable(True)
        self._addToolButton.setAutoRaise(True)

        self._removeToolButton = PM_ToolButton(
            self,
            text="Remove items from the list",
            iconPath=self._removeIcon,
            spanWidth=True)
        self._removeToolButton.setCheckable(True)
        self._removeToolButton.setAutoRaise(True)

        #Widgets to include in the widget row.
        widgetList = [('QLabel', "  Add/Remove Items:", 0),
                      ('QSpacerItem', 5, 5, 1),
                      ('PM_ToolButton', self._addToolButton, 2),
                      ('QSpacerItem', 5, 5, 3),
                      ('PM_ToolButton', self._removeToolButton, 4),
                      ('QSpacerItem', 5, 5, 5)]

        widgetRow = PM_WidgetRow(self,
                                 title='',
                                 widgetList=widgetList,
                                 label="",
                                 spanWidth=True)

    def isAddToolActive(self):
        """
        Returns True if the add objects tool is active.
        """

        if self._addToolButton.isChecked():
            #For safety
            if not self._removeToolButton.isChecked():
                return True

        return False

    def isRemoveToolActive(self):
        """
        Returns True if the remove segments tool (which removes the segments 
        from the list of segments ) is active
        """
        if self._removeToolButton.isChecked():
            if not self._addToolButton.isChecked():
                #For safety
                return True
        return False

    def hasFocus(self):
        """
        Checks if the list widget that lists dnasegments (that will undergo 
        special operations such as 'resizing them at once or making 
        crossovers between the segments etc) has the 
        Qt focus. This is used to just remove items from the list widget 
        (without actually 'deleting' the corresponding Dnasegment in the GLPane)
        @see: MultipleDnaSegment_GraphicsMode.keyPressEvent() where it is called
        """
        if self._listWidget.hasFocus():
            return True
        return False

    def activateAddTool(self, enable):
        """
        Change the appearance of the list widget (that lists the dna segments 
        ) so as to indicate that the add dna segments tool is 
        active 
        @param enable: If True, changes the appearance of list widget to 
                       indicate that the add segments tool is active.
        @type  enable: bool
        """
        if enable:
            if not self._addToolButton.isChecked():
                self._addToolButton.setChecked(True)
            if self._removeToolButton.isChecked():
                self._removeToolButton.setChecked(False)
            self._listWidget.setAlternatingRowColors(False)
            self._listWidget.setColor(lightgreen_2)
            ##objectType = self._modelObjectType
            ##objectChooserType = 'ADD'
            ##self.command.activateObjectChooser((objectType, objectChooserType))
            ##self.command.logMessage('ADD_SEGMENTS_ACTIVATED')
        else:
            if self._addToolButton.isChecked():
                self._addToolButton.setChecked(False)
            self._listWidget.setAlternatingRowColors(True)
            self._listWidget.resetColor()

    def activateRemoveTool(self, enable):
        """
        Change the appearance of the list widget (that lists the dna segments 
        ) so as to indicate that the REMOVE dna segments tool is 
        active 
        @param enable: If True, changes the appearance of list widget to 
                       indicate that the REMOVE segments tool is active.
        @type  enable: bool
        """
        if enable:
            if not self._removeToolButton.isChecked():
                self._removeToolButton.setChecked(True)
            if self._addToolButton.isChecked():
                self._addToolButton.setChecked(False)
            self._listWidget.setAlternatingRowColors(False)
            ##self.command.logMessage('REMOVE_SEGMENTS_ACTIVATED')
            self._listWidget.setColor(lightred_1)
        else:
            if self._removeToolButton.isChecked():
                self._removeToolButton.setChecked(False)
            self._listWidget.setAlternatingRowColors(True)
            self._listWidget.resetColor()

    def _deactivateAddRemoveTools(self):
        """
        Deactivate tools that allow adding or removing the segments to the 
        segment list in the Property manager. This can be simply done by 
        resetting the state of toolbuttons to False. 
        Example: toolbuttons that add or remove 
        segments to the segment list in the Property manager. When self.show
        is called these need to be unchecked. 
        @see: self.isAddSegmentsToolActive()
        @see:self.isRemoveSegmentsToolActive()
        @see: self.show()
        """
        self._addToolButton.setChecked(False)
        self._removeToolButton.setChecked(False)

    def removeItems(self):
        """
        Removes selected itoms from the dna segment list widget 
        Example: User selects a bunch of items in the list widget and hits 
        delete key  to remove the selected items from the list
        IMPORTANT NOTE: This method does NOT delete the correspoinging model 
        item in the GLPane (i.e. corresponding dnasegment). It just 'removes'
        the item from the list widget 
        This is intentional. 
        """
        self._listWidget.deleteSelection()
        itemDict = self._listWidget.getItemDictonary()
        self.command.setSegmentList(itemDict.values())
        self.updateListWidget()
        self.win.win_update()

    def updateListWidget(self, objectList=[]):
        """
        Update the list of segments shown in the segments list widget
        @see: self.updateListWidgets, self.updateStrandListWidget
        """

        self._listWidget.insertItems(row=0, items=objectList)
コード例 #5
0
class ListWidgetItems_PM_Mixin:


    def _loadSegmentListWidget(self, pmGroupBox):
        self.segmentListWidget = PM_SelectionListWidget(
            pmGroupBox,
            self.win,
            label = "",
            heightByRows = 12)

        self.segmentListWidget.setFocusPolicy(Qt.StrongFocus)
        self.segmentListWidget.setFocus()
        self.setFocusPolicy(Qt.StrongFocus)

        self.addSegmentsToolButton = PM_ToolButton(
                        pmGroupBox,
                        text = "Add segments to the list",
                        iconPath  = "ui/actions/Properties Manager"\
                        "/AddSegment_To_ResizeSegmentList.png",
                        spanWidth = True  )
        self.addSegmentsToolButton.setCheckable(True)
        self.addSegmentsToolButton.setAutoRaise(True)

        self.removeSegmentsToolButton = PM_ToolButton(
                        pmGroupBox,
                        text = "Remove segments from the list",
                        iconPath  = "ui/actions/Properties Manager"\
                        "/RemoveSegment_From_ResizeSegmentList.png",
                        spanWidth = True  )
        self.removeSegmentsToolButton.setCheckable(True)
        self.removeSegmentsToolButton.setAutoRaise(True)

        #Widgets to include in the widget row.
        widgetList = [
            ('QLabel', "  Add/Remove Segments:", 0),
            ('QSpacerItem', 5, 5, 1),
            ('PM_ToolButton', self.addSegmentsToolButton, 2),
             ('QSpacerItem', 5, 5, 3),
            ('PM_ToolButton', self.removeSegmentsToolButton, 4),
            ('QSpacerItem', 5, 5, 5) ]

        widgetRow = PM_WidgetRow(pmGroupBox,
                                 title     = '',
                                 widgetList = widgetList,
                                 label = "",
                                 spanWidth = True )

    def listWidgetHasFocus(self):
        """
        Checks if the list widget that lists dnasegments (that will undergo
        special operations such as 'resizing them at once or making
        crossovers between the segments etc) has the
        Qt focus. This is used to just remove items from the list widget
        (without actually 'deleting' the corresponding Dnasegment in the GLPane)
        @see: MultipleDnaSegment_GraphicsMode.keyPressEvent() where it is called
        """
        if self.segmentListWidget.hasFocus():
            return True
        return False


    def updateListWidgets(self):
        self.updateSegmentListWidget()

    def updateSegmentListWidget(self):
        """
        Update the list of segments shown in the segments list widget
        @see: self.updateListWidgets, self.updateStrandListWidget
        """

        segmentList = []

        segmentList = self.command.getSegmentList()


        if segmentList:
            self.segmentListWidget.insertItems(
                row = 0,
                items = segmentList)
        else:
            self.segmentListWidget.clear()



    def isAddSegmentsToolActive(self):
        """
        Returns True if the add segments tool (which adds the segments to the
        list of segments) is active
        """

        if self.addSegmentsToolButton.isChecked():
            #For safety
            if not self.removeSegmentsToolButton.isChecked():
                return True

        return False

    def isRemoveSegmentsToolActive(self):
        """
        Returns True if the remove segments tool (which removes the segments
        from the list of segments ) is active
        """
        if self.removeSegmentsToolButton.isChecked():
            if not self.addSegmentsToolButton.isChecked():
                #For safety
                return True
        return False

    def activateAddSegmentsTool(self,enable):
        """
        Change the appearance of the list widget (that lists the dna segments
        ) so as to indicate that the add dna segments tool is
        active
        @param enable: If True, changes the appearance of list widget to
                       indicate that the add segments tool is active.
        @type  enable: bool
        """
        if enable:
            if not self.addSegmentsToolButton.isChecked():
                self.addSegmentsToolButton.setChecked(True)
            if self.removeSegmentsToolButton.isChecked():
                self.removeSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(False)
            self.segmentListWidget.setColor(lightgreen_2)
            self.command.logMessage('ADD_SEGMENTS_ACTIVATED')
        else:
            if self.addSegmentsToolButton.isChecked():
                self.addSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(True)
            self.segmentListWidget.resetColor()

    def activateRemoveSegmentsTool(self,enable):
        """
        Change the appearance of the list widget (that lists the dna segments
        ) so as to indicate that the REMOVE dna segments tool is
        active
        @param enable: If True, changes the appearance of list widget to
                       indicate that the REMOVE segments tool is active.
        @type  enable: bool
        """
        if enable:
            if not self.removeSegmentsToolButton.isChecked():
                self.removeSegmentsToolButton.setChecked(True)
            if self.addSegmentsToolButton.isChecked():
                self.addSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(False)
            self.command.logMessage('REMOVE_SEGMENTS_ACTIVATED')
            self.segmentListWidget.setColor(lightred_1)
        else:
            if self.removeSegmentsToolButton.isChecked():
                self.removeSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(True)
            self.segmentListWidget.resetColor()


    def _deactivateAddRemoveSegmentsTool(self):
        """
        Deactivate tools that allow adding or removing the segments to the
        segment list in the Property manager. This can be simply done by
        resetting the state of toolbuttons to False.
        Example: toolbuttons that add or remove
        segments to the segment list in the Property manager. When self.show
        is called these need to be unchecked.
        @see: self.isAddSegmentsToolActive()
        @see:self.isRemoveSegmentsToolActive()
        @see: self.show()
        """
        self.addSegmentsToolButton.setChecked(False)
        self.removeSegmentsToolButton.setChecked(False)

    def removeListWidgetItems(self):
        """
        Removes selected itoms from the dna segment list widget
        Example: User selects a bunch of items in the list widget and hits
        delete key  to remove the selected items from the list
        IMPORTANT NOTE: This method does NOT delete the correspoinging model
        item in the GLPane (i.e. corresponding dnasegment). It just 'removes'
        the item from the list widget
        This is intentional.
        """
        self.segmentListWidget.deleteSelection()
        itemDict = self.segmentListWidget.getItemDictonary()
        self.command.setSegmentList(itemDict.values())
        self.updateListWidgets()
        self.win.win_update()
コード例 #6
0
class MultipleDnaSegmentResize_PropertyManager(DnaOrCnt_PropertyManager):

    title = "Resize Dna Segments"
    iconPath = "ui/actions/Properties Manager/Resize_Multiple_Segments.png"

    def __init__(self, command):
        """
        Constructor for the Build DNA property manager.
        """

        self.endPoint1 = V(0, 0, 0)
        self.endPoint2 = V(0, 0, 0)

        self._numberOfBases = 0
        self._conformation = 'B-DNA'
        self.duplexRise = 3.18
        self.basesPerTurn = 10
        self.dnaModel = 'PAM3'

        _superclass.__init__(self, command)

        self.showTopRowButtons( PM_DONE_BUTTON | \
                                PM_WHATS_THIS_BUTTON)

        msg = "Use resize handles to resize the segments."
        self.updateMessage(msg)

    def connect_or_disconnect_signals(self, isConnect):
        """
        Connect or disconnect widget signals sent to their slot methods.
        This can be overridden in subclasses. By default it does nothing.
        @param isConnect: If True the widget will send the signals to the slot
                          method.
        @type  isConnect: boolean
        """
        #TODO: This is a temporary fix for a bug. When you invoke a
        #temporary mode  entering such a temporary mode keeps the signals of
        #PM from the previous mode connected (
        #but while exiting that temporary mode and reentering the
        #previous mode, it atucally reconnects the signal! This gives rise to
        #lots  of bugs. This needs more general fix in Temporary mode API.
        # -- Ninad 2008-01-09 (similar comment exists in MovePropertyManager.py

        if isConnect and self.isAlreadyConnected:
            if debug_flags.atom_debug:
                print_compact_stack("warning: attempt to connect widgets"\
                                    "in this PM that are already connected." )
            return

        if not isConnect and self.isAlreadyDisconnected:
            if debug_flags.atom_debug:
                print_compact_stack("warning: attempt to disconnect widgets"\
                                    "in this PM that are already disconnected.")
            return

        self.isAlreadyConnected = isConnect
        self.isAlreadyDisconnected = not isConnect

        if isConnect:
            change_connect = self.win.connect
        else:
            change_connect = self.win.disconnect

        self.segmentListWidget.connect_or_disconnect_signals(isConnect)
        change_connect(self.addSegmentsToolButton, SIGNAL("toggled(bool)"),
                       self.activateAddSegmentsTool)
        change_connect(self.removeSegmentsToolButton, SIGNAL("toggled(bool)"),
                       self.activateRemoveSegmentsTool)

    def _update_UI_do_updates(self):
        """
        @see: Command_PropertyManager._update_UI_do_updates()
        @see: DnaSegment_EditCommand.model_changed()
        @see: DnaSegment_EditCommand.hasResizableStructure()
        @see: self._current_model_changed_params()
        """

        currentParams = self._current_model_changed_params()

        #Optimization. Return from the model_changed method if the
        #params are the same.
        if same_vals(currentParams, self._previous_model_changed_params):
            return

        number_of_segments, isStructResizable, why_not = currentParams

        #update the self._previous_model_changed_params with this new param set.
        self._previous_model_changed_params = currentParams

        if not isStructResizable:
            if not number_of_segments == 0:
                #disable all widgets
                self._pmGroupBox1.setEnabled(False)
            msg = redmsg("DnaSegment is not resizable. Reason: %s" % (why_not))
            self.updateMessage(msg)
        else:
            if not self._pmGroupBox1.isEnabled():
                self._pmGroupBox1.setEnabled(True)
            msg = "Use resize handles to resize the segments"
            self.updateMessage(msg)

        self.updateListWidgets()
        ##self.command.updateHandlePositions()

    def _current_model_changed_params(self):
        """
        Returns a tuple containing the parameters that will be compared
        against the previously stored parameters. This provides a quick test
        to determine whether to do more things in self.model_changed()
        @see: self.model_changed() which calls this
        @see: self._previous_model_changed_params attr.
        """
        params = None

        if self.command:
            #update the list first.
            self.command.updateResizeSegmentList()
            number_of_segments = len(self.command.getResizeSegmentList())
            isStructResizable, why_not = self.command.hasResizableStructure()
            params = (number_of_segments, isStructResizable, why_not)

        return params

    def isAddSegmentsToolActive(self):
        """
        Returns True if the add segments tool (which adds the segments to the
        list of segments to be resized) is active
        """

        if self.addSegmentsToolButton.isChecked():
            #For safety
            if not self.removeSegmentsToolButton.isChecked():
                return True

        return False

    def isRemoveSegmentsToolActive(self):
        """
        Returns True if the remove segments tool (which removes the segments
        from the list of segments to be resized) is active
        """
        if self.removeSegmentsToolButton.isChecked():
            if not self.addSegmentsToolButton.isChecked():
                #For safety
                return True
        return False

    def activateAddSegmentsTool(self, enable):
        """
        Change the appearance of the list widget (that lists the dna segments
        to be resized) so as to indicate that the add dna segments tool is
        active
        @param enable: If True, changes the appearance of list widget to
                       indicate that the add segments tool is active.
        @type  enable: bool
        """
        if enable:
            if not self.addSegmentsToolButton.isChecked():
                self.addSegmentsToolButton.setChecked(True)
            if self.removeSegmentsToolButton.isChecked():
                self.removeSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(False)
            self.segmentListWidget.setColor(lightgreen_2)
        else:
            if self.addSegmentsToolButton.isChecked():
                self.addSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(True)
            self.segmentListWidget.resetColor()

    def activateRemoveSegmentsTool(self, enable):
        """
        Change the appearance of the list widget (that lists the dna segments
        to be resized) so as to indicate that the REMOVE dna segments tool is
        active
        @param enable: If True, changes the appearance of list widget to
                       indicate that the REMOVE segments tool is active.
        @type  enable: bool
        """
        if enable:
            if not self.removeSegmentsToolButton.isChecked():
                self.removeSegmentsToolButton.setChecked(True)
            if self.addSegmentsToolButton.isChecked():
                self.addSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(False)

            self.segmentListWidget.setColor(lightred_1)
        else:
            if self.removeSegmentsToolButton.isChecked():
                self.removeSegmentsToolButton.setChecked(False)
            self.segmentListWidget.setAlternatingRowColors(True)
            self.segmentListWidget.resetColor()

    def removeListWidgetItems(self):
        """
        Removes selected atoms from the resize dna segment list widget
        Example: User selects a bunch of items in the list widget and hits
        delete key  to remove the selected items from the list
        IMPORTANT NOTE: This method does NOT delete the correspoinging model
        item in the GLPane (i.e. corresponding dnasegment). It just 'removes'
        the item from the list widget (indicating its no longer being resized)
        This is intentional.
        """
        self.segmentListWidget.deleteSelection()
        itemDict = self.segmentListWidget.getItemDictonary()
        self.command.setResizeStructList(itemDict.values())
        self.updateListWidgets()
        self.win.win_update()

    def _addGroupBoxes(self):
        """
        Add the Property Manager group boxes.
        """
        self._pmGroupBox1 = PM_GroupBox(self, title="Segments for Resizing")
        self._loadGroupBox1(self._pmGroupBox1)

        self._displayOptionsGroupBox = PM_GroupBox(self,
                                                   title="Display Options")
        self._loadDisplayOptionsGroupBox(self._displayOptionsGroupBox)

    def _loadGroupBox1(self, pmGroupBox):
        """
        load widgets in groupbox1
        """
        self.segmentListWidget = PM_SelectionListWidget(pmGroupBox,
                                                        self.win,
                                                        label="",
                                                        heightByRows=12)

        self.segmentListWidget.setFocusPolicy(Qt.StrongFocus)
        self.segmentListWidget.setFocus()
        self.setFocusPolicy(Qt.StrongFocus)

        self.addSegmentsToolButton = PM_ToolButton(
                        pmGroupBox,
                        text = "Add segments to the list",
                        iconPath  = "ui/actions/Properties Manager"\
                        "/AddSegment_To_ResizeSegmentList.png",
                        spanWidth = True  )
        self.addSegmentsToolButton.setCheckable(True)
        self.addSegmentsToolButton.setAutoRaise(True)

        self.removeSegmentsToolButton = PM_ToolButton(
                        pmGroupBox,
                        text = "Remove segments from the list",
                        iconPath  = "ui/actions/Properties Manager"\
                        "/RemoveSegment_From_ResizeSegmentList.png",
                        spanWidth = True  )
        self.removeSegmentsToolButton.setCheckable(True)
        self.removeSegmentsToolButton.setAutoRaise(True)

        #Widgets to include in the widget row.
        widgetList = [('QLabel', "  Add/Remove Segments:", 0),
                      ('QSpacerItem', 5, 5, 1),
                      ('PM_ToolButton', self.addSegmentsToolButton, 2),
                      ('QSpacerItem', 5, 5, 3),
                      ('PM_ToolButton', self.removeSegmentsToolButton, 4),
                      ('QSpacerItem', 5, 5, 5)]

        widgetRow = PM_WidgetRow(pmGroupBox,
                                 title='',
                                 widgetList=widgetList,
                                 label="",
                                 spanWidth=True)

    def _addWhatsThisText(self):
        """
        Add what's this text.
        Abstract method.
        """
        pass

    def show(self):
        """
        Overrides the superclass method
        @see: self._deactivateAddRemoveSegmentsTool
        """
        _superclass.show(self)
        ##self.updateListWidgets()
        self._deactivateAddRemoveSegmentsTool()

    def _deactivateAddRemoveSegmentsTool(self):
        """
        Deactivate tools that allow adding or removing the segments to the
        segment list in the Property manager. This can be simply done by
        resetting the state of toolbuttons to False.
        Example: toolbuttons that add or remove
        segments to the segment list in the Property manager. When self.show
        is called these need to be unchecked.
        @see: self.isAddSegmentsToolActive()
        @see:self.isRemoveSegmentsToolActive()
        @see: self.show()
        """
        self.addSegmentsToolButton.setChecked(False)
        self.removeSegmentsToolButton.setChecked(False)

    def listWidgetHasFocus(self):
        """
        Checks if the list widget that lists dnasegments to be resized has the
        Qt focus. This is used to just remove items from the list widget
        (without actually 'deleting' the corresponding Dnasegment in the GLPane)
        @see: MultipleDnaSegment_GraphicsMode.keyPressEvent() where it is called
        """
        if self.segmentListWidget.hasFocus():
            return True
        return False

    def setParameters(self, params):
        pass

    def getParameters(self):
        return ()

    def updateListWidgets(self):
        self.updateSegmentListWidget()

    def updateSegmentListWidget(self):
        """
        Update the list of segments shown in the segments list widget
        @see: self.updateListWidgets, self.updateStrandListWidget
        """
        segmentList = []

        segmentList = self.command.getResizeSegmentList()

        self.segmentListWidget.insertItems(row=0, items=segmentList)

    def _connect_showCursorTextCheckBox(self):
        """
        Connect the show cursor text checkbox with user prefs_key.
        Overrides
        DnaOrCnt_PropertyManager._connect_showCursorTextCheckBox
        """
        connect_checkbox_with_boolean_pref(
            self.showCursorTextCheckBox,
            dnaSegmentEditCommand_showCursorTextCheckBox_prefs_key)

    def _params_for_creating_cursorTextCheckBoxes(self):
        """
        Returns params needed to create various cursor text checkboxes connected
        to prefs_keys  that allow custom cursor texts.
        @return: A list containing tuples in the following format:
                ('checkBoxTextString' , preference_key). PM_PrefsCheckBoxes
                uses this data to create checkboxes with the the given names and
                connects them to the provided preference keys. (Note that
                PM_PrefsCheckBoxes puts thes within a GroupBox)
        @rtype: list
        @see: PM_PrefsCheckBoxes
        @see: self._loadDisplayOptionsGroupBox where this list is used.
        @see: Superclass method which is overridden here --
        DnaOrCnt_PropertyManager._params_for_creating_cursorTextCheckBoxes()
        """
        params = \
               [  #Format: (" checkbox text", prefs_key)
                  ("Number of base pairs",
                   dnaSegmentEditCommand_cursorTextCheckBox_numberOfBasePairs_prefs_key),

                   ("Duplex length",
                    dnaSegmentEditCommand_cursorTextCheckBox_length_prefs_key),

                    ("Number of basepairs to be changed",
                     dnaSegmentEditCommand_cursorTextCheckBox_changedBasePairs_prefs_key)
                 ]

        return params