class PM_MessageGroupBox(PM_GroupBox):
"""
The PM_MessageGroupBox widget provides a message box with a
collapse/expand button and a title.
"""
def __init__(self, parentWidget, title="Message"):
"""
PM_MessageGroupBox constructor.
@param parentWidget: the PM_Dialog containing this message groupbox.
@type parentWidget: PM_Dialog
@param title: The title on the collapse button
@type title: str
"""
PM_GroupBox.__init__(self, parentWidget, title)
self.vBoxLayout.setMargin(0)
self.vBoxLayout.setSpacing(0)
self.gridLayout.setMargin(0)
self.gridLayout.setSpacing(0)
self.MessageTextEdit = PM_TextEdit(
self,
label='',
spanWidth=True,
addToParent=False,
##cursorPosition = 'beginning'
)
# We pass addToParent = False to suppress the usual call by
# PM_TextEdit.__init__ of self.addPmWidget(new textedit widget),
# since we need to add it to self in a different way (below).
# [bruce 071103 refactored this from what used to be a special case
# in PM_TextEdit.__init__ based on self being an instance of
# PM_MessageGroupBox.]
# Needed for Intel MacOS. Otherwise, the horizontal scrollbar
# is displayed in the MessageGroupBox. Mark 2007-05-24.
# Shouldn't be needed with _setHeight() in PM_TextEdit.
#Note 2008-06-17: We now permit a vertical scrollbar in message groupbox
#--Ninad
self.MessageTextEdit.setHorizontalScrollBarPolicy(
Qt.ScrollBarAlwaysOff)
# Add self.MessageTextEdit to self's vBoxLayout.
self.vBoxLayout.addWidget(self.MessageTextEdit)
# We should be calling the PM's getMessageTextEditPalette() method,
# but that will take some extra work which I will do soon. Mark 2007-06-21
self.MessageTextEdit.setPalette(
getPalette(None, QPalette.Base, pmMessageBoxColor))
self.MessageTextEdit.setReadOnly(True)
#@self.MessageTextEdit.labelWidget = None # Never has one. Mark 2007-05-31
self._widgetList.append(self.MessageTextEdit)
self._rowCount += 1
# wrapWrapMode seems to be set to QTextOption.WrapAnywhere on MacOS,
# so let's force it here. Mark 2007-05-22.
self.MessageTextEdit.setWordWrapMode(QTextOption.WordWrap)
parentWidget.MessageTextEdit = self.MessageTextEdit
# These two policies very important. Mark 2007-05-22
self.setSizePolicy(
QSizePolicy(QSizePolicy.Policy(QSizePolicy.Preferred),
QSizePolicy.Policy(QSizePolicy.Fixed)))
self.MessageTextEdit.setSizePolicy(
QSizePolicy(QSizePolicy.Policy(QSizePolicy.Preferred),
QSizePolicy.Policy(QSizePolicy.Fixed)))
self.setWhatsThis("""<b>Messages</b>
<p>This prompts the user for a requisite operation and/or displays
helpful messages to the user.</p>""")
# Hide until insertHtmlMessage() loads a message.
self.hide()
def expand(self):
"""
Expand this group box i.e. show all its contents and change the look
and feel of the groupbox button. It also sets the gridlayout margin and
spacing to 0. (necessary to get rid of the extra space inside the
groupbox.)
@see: L{PM_GroupBox.expand}
"""
PM_GroupBox.expand(self)
# If we don't do this, we get a small space b/w the
# title button and the MessageTextEdit widget.
# Extra code unnecessary, but more readable.
# Mark 2007-05-21
self.gridLayout.setMargin(0)
self.gridLayout.setSpacing(0)
def insertHtmlMessage(self,
text,
setAsDefault=False,
minLines=4,
maxLines=10,
replace=True,
scrolltoTop=True):
"""
Insert text (HTML) into the message box. Displays the message box if it is hidden.
Arguments:
@param minLines: the minimum number of lines (of text) to display in the TextEdit.
if <minLines>=0 the TextEdit will fit its own height to fit <text>. The
default height is 4 (lines of text).
@type minLines: int
@param maxLines: The maximum number of lines to display in the TextEdit widget.
@type maxLines: int
@param replace: should be set to False if you do not wish to replace
the current text. It will append <text> instead.
@type replace: int
@note: Displays the message box if it is hidden.
"""
self.MessageTextEdit.insertHtml(text,
setAsDefault,
minLines=minLines,
maxLines=maxLines,
replace=True)
if scrolltoTop:
cursor = self.MessageTextEdit.textCursor()
cursor.setPosition(0, QTextCursor.MoveAnchor)
self.MessageTextEdit.setTextCursor(cursor)
self.MessageTextEdit.ensureCursorVisible()
##self.MessageTextEdit.moveCursor(QTextCursor.Start)
##self.MessageTextEdit.ensureCursorVisible()
#text2 = self.MessageTextEdit.toPlainText()
#print "***PM = %s, len(text) =%s"%(self.parentWidget, len(text))
#if len(text2) > 16:
#anchorText = text2[:16]
#print "***anchorText =", anchorText
#self.MessageTextEdit.scrollToAnchor(anchorText)
#self.MessageTextEdit.ensureCursorVisible()
self.show()
class DnaGeneratorPropertyManager( PM_Dialog, DebugMenuMixin ):
"""
The DnaGeneratorPropertyManager class provides a Property Manager
for the "Build > Atoms" command.
@ivar title: The title that appears in the property manager header.
@type title: str
@ivar pmName: The name of this property manager. This is used to set
the name of the PM_Dialog object via setObjectName().
@type name: str
@ivar iconPath: The relative path to the PNG file that contains a
22 x 22 icon image that appears in the PM header.
@type iconPath: str
@ivar validSymbols: Miscellaneous symbols that may appear in the sequence
(but are ignored). The hyphen '-' is a special case
that must be dealt with individually; it is not
included because it can confuse regular expressions.
@type validSymbols: QString
"""
title = "DNA"
pmName = title
iconPath = "ui/actions/Tools/Build Structures/DNA.png"
validSymbols = QString(' <>~!@#%&_+`=$*()[]{}|^\'"\\.;:,/?')
# The following class variables guarantee the UI's menu items
# are synchronized with their action code. The arrays should
# not be changed, unless an item is removed or inserted.
# Changes should be made via only the _action... variables.
# e.g., Change _action_Complement from "Complement"
# to "Complement Sequences". The menu item will
# change and its related code will need no update.
_action_Complement = "Complement"
_action_Reverse = "Reverse"
_action_RemoveUnrecognized = 'Remove unrecognized letters'
_action_ConvertUnrecognized = 'Convert unrecognized letters to "N"'
_actionChoices = [ "Action",
"---",
_action_Complement,
_action_Reverse,
_action_RemoveUnrecognized,
_action_ConvertUnrecognized ]
_modeltype_PAM3 = "PAM3"
_modeltype_PAM5 = "PAM5"
_modeltype_Atomistic = "Atomistic" # deprecated
_modelChoices = [ _modeltype_PAM3,
_modeltype_PAM5 ]
def __init__( self ):
"""
Constructor for the DNA Generator property manager.
"""
PM_Dialog.__init__( self, self.pmName, self.iconPath, self.title )
DebugMenuMixin._init1( self )
msg = "Edit the DNA parameters and select <b>Preview</b> to \
preview the structure. Click <b>Done</b> to insert it into \
the model."
# This causes the "Message" box to be displayed as well.
# setAsDefault=True causes this message to be reset whenever
# this PM is (re)displayed via show(). Mark 2007-06-01.
self.MessageGroupBox.insertHtmlMessage( msg, setAsDefault = True )
def _addGroupBoxes( self ):
"""
Add the DNA Property Manager group boxes.
"""
self._pmGroupBox1 = PM_GroupBox( self, title = "Strand Sequence" )
self._loadGroupBox1( self._pmGroupBox1 )
self._pmGroupBox2 = PM_GroupBox( self, title = "DNA Parameters" )
self._loadGroupBox2( self._pmGroupBox2 )
self._pmGroupBox3 = PM_GroupBox( self, title = "Endpoints" )
self._loadGroupBox3( self._pmGroupBox3 )
def _loadGroupBox1(self, pmGroupBox):
"""
Load widgets in group box 1.
"""
# Duplex Length
self.duplexLengthSpinBox = \
PM_DoubleSpinBox( pmGroupBox,
label = "Duplex Length: ",
value = 0,
setAsDefault = False,
minimum = 0,
maximum = 34000,
singleStep = self.getDuplexRise("B-DNA"),
decimals = 3,
suffix = ' Angstroms')
self.connect( self.duplexLengthSpinBox,
SIGNAL("valueChanged(double)"),
self.duplexLengthChanged )
# Strand Length
self.strandLengthSpinBox = \
PM_SpinBox( pmGroupBox,
label = "Strand Length :",
value = 0,
setAsDefault = False,
minimum = 0,
maximum = 10000,
suffix = ' bases' )
self.connect( self.strandLengthSpinBox,
SIGNAL("valueChanged(int)"),
self.strandLengthChanged )
# New Base choices
newBaseChoices = []
for theBase in basesDict.keys():
newBaseChoices = newBaseChoices \
+ [ theBase + ' (' \
+ basesDict[theBase]['Name'] + ')' ]
try:
defaultBaseChoice = basesDict.keys().index('N')
except:
defaultBaseChoice = 0
# Strand Sequence
self.sequenceTextEdit = \
PM_TextEdit( pmGroupBox,
label = "",
spanWidth = True )
self.sequenceTextEdit.setCursorWidth(2)
self.sequenceTextEdit.setWordWrapMode( QTextOption.WrapAnywhere )
self.connect( self.sequenceTextEdit,
SIGNAL("textChanged()"),
self.sequenceChanged )
self.connect( self.sequenceTextEdit,
SIGNAL("cursorPositionChanged()"),
self.cursorPosChanged )
# Actions
self.actionsComboBox = \
PM_ComboBox( pmGroupBox,
label = '',
choices = self._actionChoices,
index = 0,
setAsDefault = True,
spanWidth = True )
# If SIGNAL("activate(const QString&)") is used, we get a TypeError.
# This is a bug that needs Bruce. Using currentIndexChanged(int) as
# a workaround, but there is still a bug when the "Reverse" action
# is selected. Mark 2007-08-15
self.connect( self.actionsComboBox,
SIGNAL("currentIndexChanged(int)"),
self.actionsComboBoxChanged )
def _loadGroupBox2( self, pmGroupBox ):
"""
Load widgets in group box 2.
"""
self.modelComboBox = \
PM_ComboBox( pmGroupBox,
label = "Model :",
choices = self._modelChoices,
setAsDefault = True)
self.conformationComboBox = \
PM_ComboBox( pmGroupBox,
label = "Conformation :",
choices = ["B-DNA"],
setAsDefault = True)
self.connect( self.conformationComboBox,
SIGNAL("currentIndexChanged(int)"),
self.conformationComboBoxChanged )
self.basesPerTurnComboBox= \
PM_ComboBox( pmGroupBox,
label = "Bases Per Turn :",
choices = ["10.0", "10.5", "10.67"],
setAsDefault = True)
# I may decide to reintroduce "base-pair chunks" at a later time.
# Please talk to me if you have a strong feeling about including
# this. Mark 2007-08-19.
createChoices = ["Strand chunks", \
"Single chunk" ]
#@ "Base-pair chunks"]
self.createComboBox = \
PM_ComboBox( pmGroupBox,
label = "Create :",
choices = createChoices,
index = 0,
setAsDefault = True,
spanWidth = False )
def _loadGroupBox3(self, pmGroupBox):
"""
Load widgets in group box 3.
"""
self._endPoint1GroupBox = PM_GroupBox( pmGroupBox, title = "Endpoint1" )
self._endPoint2GroupBox = PM_GroupBox( pmGroupBox, title = "Endpoint2" )
# Point 1
self.x1SpinBox = \
PM_DoubleSpinBox( self._endPoint1GroupBox,
label = \
"ui/actions/Properties Manager/X_Coordinate.png",
value = 0,
setAsDefault = True,
minimum = -100.0,
maximum = 100.0,
decimals = 3,
suffix = ' Angstroms')
self.y1SpinBox = \
PM_DoubleSpinBox( self._endPoint1GroupBox,
label = \
"ui/actions/Properties Manager/Y_Coordinate.png",
value = 0,
setAsDefault = True,
minimum = -100.0,
maximum = 100.0,
decimals = 3,
suffix = ' Angstroms')
self.z1SpinBox = \
PM_DoubleSpinBox( self._endPoint1GroupBox,
label = \
"ui/actions/Properties Manager/Z_Coordinate.png",
value = 0,
setAsDefault = True,
minimum = -100.0,
maximum = 100.0,
decimals = 3,
suffix = ' Angstroms')
# Point 2
self.x2SpinBox = \
PM_DoubleSpinBox( self._endPoint2GroupBox,
label = \
"ui/actions/Properties Manager/X_Coordinate.png",
value = 10.0,
setAsDefault = True,
minimum = -100.0,
maximum = 100.0,
decimals = 3,
suffix = ' Angstroms')
self.y2SpinBox = \
PM_DoubleSpinBox( self._endPoint2GroupBox,
label = \
"ui/actions/Properties Manager/Y_Coordinate.png",
value = 0,
setAsDefault = True,
minimum = -100.0,
maximum = 100.0,
decimals = 3,
suffix = ' Angstroms')
self.z2SpinBox = \
PM_DoubleSpinBox( self._endPoint2GroupBox,
label = \
"ui/actions/Properties Manager/Z_Coordinate.png",
value = 0,
setAsDefault = True,
minimum = -100.0,
maximum = 100.0,
decimals = 3,
suffix = ' Angstroms')
def _addWhatsThisText( self ):
"""
What's This text for some of the widgets in the
DNA Property Manager.
@note: Many PM widgets are still missing their "What's This" text.
"""
self.conformationComboBox.setWhatsThis("""<b>Conformation</b>
<p>There are three DNA geometries, A-DNA, B-DNA,
and Z-DNA. Only B-DNA and Z-DNA are currently supported.</p>""")
self.sequenceTextEdit.setWhatsThis("""<b>Strand Sequence</b>
<p>Type in the strand sequence you want to generate here (5' => 3')<br>
<br>
Recognized base letters:<br>
<br>
A = Adenosine<br>
C = Cytosine<br>
G = Guanosine<br>
T = Thymidine<br>
N = aNy base<br>
X = Unassigned<br>
<br>
Other base letters currently recognized:<br>
<br>
B = C,G, or T<br>
D = A,G, or T<br>
H = A,C, or T<br>
V = A,C, or G<br>
R = A or G (puRine)<br>
Y = C or T (pYrimidine)<br>
K = G or T (Keto)<br>
M = A or C (aMino)<br>
S = G or C (Strong -3H bonds)<br>
W = A or T (Weak - 2H bonds)<br>
</p>""")
self.actionsComboBox.setWhatsThis("""<b>Action</b>
<p>Select an action to perform on the sequence.</p>""")
def conformationComboBoxChanged( self, inIndex ):
"""
Slot for the Conformation combobox. It is called whenever the
Conformation choice is changed.
@param inIndex: The new index.
@type inIndex: int
"""
self.basesPerTurnComboBox.clear()
conformation = self.conformationComboBox.currentText()
if conformation == "B-DNA":
self.basesPerTurnComboBox.insertItem(0, "10.0")
self.basesPerTurnComboBox.insertItem(1, "10.5")
self.basesPerTurnComboBox.insertItem(2, "10.67")
#10.5 is the default value for Bases per turn.
#So set the current index to 1
self.basesPerTurnComboBox.setCurrentIndex(1)
elif conformation == "Z-DNA":
self.basesPerTurnComboBox.insertItem(0, "12.0")
elif inIndex == -1:
# Caused by clear(). This is tolerable for now. Mark 2007-05-24.
conformation = "B-DNA" # Workaround for "Restore Defaults".
pass
else:
msg = redmsg("conformationComboBoxChanged(): \
Error - unknown DNA conformation. Index = "+ inIndex)
env.history.message(msg)
self.duplexLengthSpinBox.setSingleStep(
self.getDuplexRise(conformation) )
def modelComboBoxChanged( self, inIndex ):
"""
Slot for the Model combobox. It is called whenever the
Model choice is changed.
@param inIndex: The new index.
@type inIndex: int
"""
conformation = self._modelChoices[ inIndex ]
self.disconnect( self.conformationComboBox,
SIGNAL("currentIndexChanged(int)"),
self.conformationComboBoxChanged )
self.conformationComboBox.clear() # Generates signal!
if conformation == self._modeltype_PAM3:
self.conformationComboBox.addItem("B-DNA")
elif conformation == self._modeltype_PAM5:
self.conformationComboBox.addItem("B-DNA")
elif conformation == self._modeltype_Atomistic:
self.conformationComboBox.addItem("B-DNA")
self.conformationComboBox.addItem("Z-DNA")
elif inIndex == -1:
# Caused by clear(). This is tolerable for now. Mark 2007-05-24.
pass
else:
msg = "Error - unknown model representation. Index = " + inIndex
env.history.message(redmsg(msg))
self.connect( self.conformationComboBox,
SIGNAL("currentIndexChanged(int)"),
self.conformationComboBoxChanged)
# GroupBox3 slots (and other methods) supporting the Strand Sequence groupbox.
def getDuplexRise( self, inConformation ):
"""
Return the 'rise' between base pairs of the
specified DNA type (conformation).
@param inConformation: The current conformation.
@type inConformation: int
"""
return dnaDict[str(inConformation)]['DuplexRise']
def synchronizeLengths( self ):
"""
Guarantees the values of the duplex length and strand length
spinboxes agree with the strand sequence (textedit).
"""
self.updateStrandLength()
self.updateDuplexLength()
return
# Added :jbirac 20070613:
def duplexLengthChanged( self, inDuplexLength ):
"""
Slot for the duplex length spinbox, called whenever the value of the
Duplex Length spinbox changes.
@param inDuplexLength: The duplex length.
@type inDuplexLength: float
"""
conformation = self.conformationComboBox.currentText()
duplexRise = self.getDuplexRise( conformation )
newStrandLength = inDuplexLength / duplexRise + 0.5
newStrandLength = int( newStrandLength )
self.strandLengthChanged( newStrandLength )
def updateDuplexLength( self ): # Added :jbirac 20070615:
"""
Update the Duplex Length spinbox; always the length of the
strand sequence multiplied by the 'rise' of the duplex. This
method is called by slots of other controls (i.e., this itself
is not a slot.)
"""
conformation = self.conformationComboBox.currentText()
newDuplexLength = self.getDuplexRise( conformation ) \
* self.getSequenceLength()
self.disconnect( self.duplexLengthSpinBox,
SIGNAL("valueChanged(double)"),
self.duplexLengthChanged)
self.duplexLengthSpinBox.setValue( newDuplexLength )
self.connect( self.duplexLengthSpinBox,
SIGNAL("valueChanged(double)"),
self.duplexLengthChanged)
# Renamed from length_changed :jbirac 20070613:
def strandLengthChanged( self, inStrandLength ):
"""
Slot for the Strand Length spin box, called whenever the value of the
Strand Length spin box changes.
@param inStrandLength: The number of bases in the strand sequence.
@type inStrandLength: int
"""
theSequence = self.getPlainSequence()
sequenceLen = len( theSequence )
lengthChange = inStrandLength - self.getSequenceLength()
# Preserve the cursor's position/selection
cursor = self.sequenceTextEdit.textCursor()
#cursorPosition = cursor.position()
selectionStart = cursor.selectionStart()
selectionEnd = cursor.selectionEnd()
if inStrandLength < 0:
return # Should never happen.
if lengthChange < 0:
# If length is less than the previous length,
# simply truncate the current sequence.
theSequence.chop( -lengthChange )
elif lengthChange > 0:
# If length has increased, add the correct number of base
# letters to the current strand sequence.
numNewBases = lengthChange
# Get current base selected in combobox.
chosenBase = 'X' # Unassigned.
basesToAdd = chosenBase * numNewBases
theSequence.append( basesToAdd )
else:
env.history.message(
orangemsg( "strandLengthChanged(): Length has not changed." ))
self.setSequence( theSequence )
return
# Renamed from updateLength :jbirac 20070613:
def updateStrandLength( self ):
"""
Update the Strand Length spinbox; always the length of the strand
sequence.
"""
self.disconnect( self.strandLengthSpinBox,
SIGNAL("valueChanged(int)"),
self.strandLengthChanged )
self.strandLengthSpinBox.setValue( self.getSequenceLength() )
self.connect( self.strandLengthSpinBox,
SIGNAL("valueChanged(int)"),
self.strandLengthChanged )
return
def sequenceChanged( self ):
"""
Slot for the Strand Sequence textedit widget.
Assumes the sequence changed directly by user's keystroke in the
textedit. Other methods...
"""
cursorPosition = self.getCursorPosition()
theSequence = self.getPlainSequence()
# Disconnect while we edit the sequence.
self.disconnect( self.sequenceTextEdit,
SIGNAL("textChanged()"),
self.sequenceChanged )
# How has the text changed?
if theSequence.length() == 0: # There is no sequence.
self.updateStrandLength()
self.updateDuplexLength()
else:
# Insert the sequence; it will be "stylized" by setSequence().
self.setSequence( theSequence )
# Reconnect to respond when the sequence is changed.
self.connect( self.sequenceTextEdit,
SIGNAL("textChanged()"),
self.sequenceChanged )
self.synchronizeLengths()
return
def getPlainSequence( self, inOmitSymbols = False ):
"""
Returns a plain text QString (without HTML stylization)
of the current sequence. All characters are preserved (unless
specified explicitly), including valid base letters, punctuation
symbols, whitespace and invalid letters.
@param inOmitSymbols: Omits characters listed in self.validSymbols.
@type inOmitSymbols: bool
@return: The current DNA sequence in the PM.
@rtype: QString
"""
outSequence = self.sequenceTextEdit.toPlainText()
if inOmitSymbols:
# This may look like a sloppy piece of code, but Qt's QRegExp
# class makes it pretty tricky to remove all punctuation.
theString = '[<>' \
+ str( QRegExp.escape(self.validSymbols) ) \
+ ']|-'
outSequence.remove(QRegExp( theString ))
return outSequence
def stylizeSequence( self, inSequence ):
"""
Converts a plain text string of a sequence (including optional
symbols) to an HTML rich text string.
@param inSequence: A DNA sequence.
@type inSequence: QString
@return: The sequence.
@rtype: QString
"""
outSequence = str(inSequence)
# Verify that all characters (bases) in the sequence are "valid".
invalidSequence = False
basePosition = 0
sequencePosition = 0
invalidStartTag = "<b><font color=black>"
invalidEndTag = "</b>"
previousChar = chr(1) # Null character; may be revised.
# Some characters must be substituted to preserve
# whitespace and tags in HTML code.
substituteDict = { ' ':' ', '<':'<', '>':'>' }
while basePosition < len(outSequence):
theSeqChar = outSequence[basePosition]
if ( theSeqChar in basesDict
or theSeqChar in self.validSymbols ):
# Close any preceding invalid sequence segment.
if invalidSequence == True:
outSequence = outSequence[:basePosition] \
+ invalidEndTag \
+ outSequence[basePosition:]
basePosition += len(invalidEndTag)
invalidSequence = False
# Color the valid characters.
if theSeqChar != previousChar:
# We only need to insert 'color' tags in places where
# the adjacent characters are different.
if theSeqChar in basesDict:
theTag = '<font color=' \
+ basesDict[ theSeqChar ]['Color'] \
+ '>'
elif not previousChar in self.validSymbols:
# The character is a 'valid' symbol to be greyed
# out. Only one 'color' tag is needed for a
# group of adjacent symbols.
theTag = '<font color=dimgrey>'
else:
theTag = ''
outSequence = outSequence[:basePosition] \
+ theTag + outSequence[basePosition:]
basePosition += len(theTag)
# Any <space> character must be substituted with an
# ASCII code tag because the HTML engine will collapse
# whitespace to a single <space> character; whitespace
# is truncated from the end of HTML by default.
# Also, many symbol characters must be substituted
# because they confuse the HTML syntax.
#if str( outSequence[basePosition] ) in substituteDict:
if outSequence[basePosition] in substituteDict:
#theTag = substituteDict[theSeqChar]
theTag = substituteDict[ outSequence[basePosition] ]
outSequence = outSequence[:basePosition] \
+ theTag \
+ outSequence[basePosition + 1:]
basePosition += len(theTag) - 1
else:
# The sequence character is invalid (but permissible).
# Tags (e.g., <b> and </b>) must be inserted at both the
# beginning and end of a segment of invalid characters.
if invalidSequence == False:
outSequence = outSequence[:basePosition] \
+ invalidStartTag \
+ outSequence[basePosition:]
basePosition += len(invalidStartTag)
invalidSequence = True
basePosition += 1
previousChar = theSeqChar
#basePosition += 1
# Specify that theSequence is definitely HTML format, because
# Qt can get confused between HTML and Plain Text.
outSequence = "<html>" + outSequence
outSequence += "</html>"
return outSequence
def setSequence( self,
inSequence,
inStylize = True,
inRestoreCursor = True ):
"""
Replace the current strand sequence with the new sequence text.
@param inSequence: The new sequence.
@type inSequence: QString
@param inStylize: If True, inSequence will be converted from a plain
text string (including optional symbols) to an HTML
rich text string.
@type inStylize: bool
@param inRestoreCursor: Not implemented yet.
@type inRestoreCursor: bool
@attention: Signals/slots must be managed before calling this method.
The textChanged() signal will be sent to any connected widgets.
"""
cursor = self.sequenceTextEdit.textCursor()
selectionStart = cursor.selectionStart()
selectionEnd = cursor.selectionEnd()
if inStylize:
inSequence = self.stylizeSequence( inSequence )
self.sequenceTextEdit.insertHtml( inSequence )
if inRestoreCursor:
cursor.setPosition( min(selectionStart, self.getSequenceLength()),
QTextCursor.MoveAnchor )
cursor.setPosition( min(selectionEnd, self.getSequenceLength()),
QTextCursor.KeepAnchor )
self.sequenceTextEdit.setTextCursor( cursor )
return
def getSequenceLength( self ):
"""
Returns the number of characters in
the strand sequence textedit widget.
"""
theSequence = self.getPlainSequence( inOmitSymbols = True )
outLength = theSequence.length()
return outLength
def getCursorPosition( self ):
"""
Returns the cursor position in the
strand sequence textedit widget.
"""
cursor = self.sequenceTextEdit.textCursor()
return cursor.position()
def cursorPosChanged( self ):
"""
Slot called when the cursor position changes.
"""
cursor = self.sequenceTextEdit.textCursor()
if 0:
env.history.message( greenmsg( "cursorPosChanged: Selection ("
+ str(cursor.selectionStart())
+ " thru "
+ str(cursor.selectionEnd())+')' ) )
return
def actionsComboBoxChanged( self, inIndex ):
"""
Slot for the Actions combobox. It is called whenever the
Action choice is changed.
@param inIndex: The index of the selected action choice.
@type inIndex: int
"""
if inIndex == 0: # Very important.
return
actionName = str(self.actionsComboBox.currentText())
self.actionsComboBox.setCurrentIndex( 0 ) # Generates signal!
self.invokeAction( actionName )
return
def invokeAction( self, inActionName ):
"""
Applies an action on the current sequence displayed in the PM.
@param inActionName: The action name.
@type inActionName: str
@return: The sequence after the action has been applied.
@rtype: str
"""
sequence, allKnown = self._getSequence()
outResult = ""
if inActionName == self._action_Complement:
outResult = getComplementSequence(sequence)
elif inActionName == self._action_Reverse:
outResult = getReverseSequence(sequence)
elif inActionName == self._action_ConvertUnrecognized:
outResult = replaceUnrecognized(sequence, replaceBase = 'N')
self.setSequence( outResult )
elif inActionName == self._action_RemoveUnrecognized:
outResult = replaceUnrecognized(sequence, replaceBase = '')
self.setSequence( outResult )
return
class DnaGeneratorPropertyManager(PM_Dialog, DebugMenuMixin):
"""
The DnaGeneratorPropertyManager class provides a Property Manager
for the "Build > Atoms" command.
@ivar title: The title that appears in the property manager header.
@type title: str
@ivar pmName: The name of this property manager. This is used to set
the name of the PM_Dialog object via setObjectName().
@type name: str
@ivar iconPath: The relative path to the PNG file that contains a
22 x 22 icon image that appears in the PM header.
@type iconPath: str
@ivar validSymbols: Miscellaneous symbols that may appear in the sequence
(but are ignored). The hyphen '-' is a special case
that must be dealt with individually; it is not
included because it can confuse regular expressions.
@type validSymbols: QString
"""
title = "DNA"
pmName = title
iconPath = "ui/actions/Tools/Build Structures/DNA.png"
validSymbols = QString(' <>~!@#%&_+`=$*()[]{}|^\'"\\.;:,/?')
# The following class variables guarantee the UI's menu items
# are synchronized with their action code. The arrays should
# not be changed, unless an item is removed or inserted.
# Changes should be made via only the _action... variables.
# e.g., Change _action_Complement from "Complement"
# to "Complement Sequences". The menu item will
# change and its related code will need no update.
_action_Complement = "Complement"
_action_Reverse = "Reverse"
_action_RemoveUnrecognized = 'Remove unrecognized letters'
_action_ConvertUnrecognized = 'Convert unrecognized letters to "N"'
_actionChoices = [
"Action", "---", _action_Complement, _action_Reverse,
_action_RemoveUnrecognized, _action_ConvertUnrecognized
]
_modeltype_PAM3 = "PAM3"
_modeltype_PAM5 = "PAM5"
_modeltype_Atomistic = "Atomistic" # deprecated
_modelChoices = [_modeltype_PAM3, _modeltype_PAM5]
def __init__(self):
"""
Constructor for the DNA Generator property manager.
"""
PM_Dialog.__init__(self, self.pmName, self.iconPath, self.title)
DebugMenuMixin._init1(self)
msg = "Edit the DNA parameters and select <b>Preview</b> to \
preview the structure. Click <b>Done</b> to insert it into \
the model."
# This causes the "Message" box to be displayed as well.
# setAsDefault=True causes this message to be reset whenever
# this PM is (re)displayed via show(). Mark 2007-06-01.
self.MessageGroupBox.insertHtmlMessage(msg, setAsDefault=True)
def _addGroupBoxes(self):
"""
Add the DNA Property Manager group boxes.
"""
self._pmGroupBox1 = PM_GroupBox(self, title="Strand Sequence")
self._loadGroupBox1(self._pmGroupBox1)
self._pmGroupBox2 = PM_GroupBox(self, title="DNA Parameters")
self._loadGroupBox2(self._pmGroupBox2)
self._pmGroupBox3 = PM_GroupBox(self, title="Endpoints")
self._loadGroupBox3(self._pmGroupBox3)
def _loadGroupBox1(self, pmGroupBox):
"""
Load widgets in group box 1.
"""
# Duplex Length
self.duplexLengthSpinBox = \
PM_DoubleSpinBox( pmGroupBox,
label = "Duplex Length: ",
value = 0,
setAsDefault = False,
minimum = 0,
maximum = 34000,
singleStep = self.getDuplexRise("B-DNA"),
decimals = 3,
suffix = ' Angstroms')
self.connect(self.duplexLengthSpinBox, SIGNAL("valueChanged(double)"),
self.duplexLengthChanged)
# Strand Length
self.strandLengthSpinBox = \
PM_SpinBox( pmGroupBox,
label = "Strand Length :",
value = 0,
setAsDefault = False,
minimum = 0,
maximum = 10000,
suffix = ' bases' )
self.connect(self.strandLengthSpinBox, SIGNAL("valueChanged(int)"),
self.strandLengthChanged)
# New Base choices
newBaseChoices = []
for theBase in basesDict.keys():
newBaseChoices = newBaseChoices \
+ [ theBase + ' (' \
+ basesDict[theBase]['Name'] + ')' ]
try:
defaultBaseChoice = basesDict.keys().index('N')
except:
defaultBaseChoice = 0
# Strand Sequence
self.sequenceTextEdit = \
PM_TextEdit( pmGroupBox,
label = "",
spanWidth = True )
self.sequenceTextEdit.setCursorWidth(2)
self.sequenceTextEdit.setWordWrapMode(QTextOption.WrapAnywhere)
self.connect(self.sequenceTextEdit, SIGNAL("textChanged()"),
self.sequenceChanged)
self.connect(self.sequenceTextEdit, SIGNAL("cursorPositionChanged()"),
self.cursorPosChanged)
# Actions
self.actionsComboBox = \
PM_ComboBox( pmGroupBox,
label = '',
choices = self._actionChoices,
index = 0,
setAsDefault = True,
spanWidth = True )
# If SIGNAL("activate(const QString&)") is used, we get a TypeError.
# This is a bug that needs Bruce. Using currentIndexChanged(int) as
# a workaround, but there is still a bug when the "Reverse" action
# is selected. Mark 2007-08-15
self.connect(self.actionsComboBox, SIGNAL("currentIndexChanged(int)"),
self.actionsComboBoxChanged)
def _loadGroupBox2(self, pmGroupBox):
"""
Load widgets in group box 2.
"""
self.modelComboBox = \
PM_ComboBox( pmGroupBox,
label = "Model :",
choices = self._modelChoices,
setAsDefault = True)
self.conformationComboBox = \
PM_ComboBox( pmGroupBox,
label = "Conformation :",
choices = ["B-DNA"],
setAsDefault = True)
self.connect(self.conformationComboBox,
SIGNAL("currentIndexChanged(int)"),
self.conformationComboBoxChanged)
self.basesPerTurnComboBox= \
PM_ComboBox( pmGroupBox,
label = "Bases Per Turn :",
choices = ["10.0", "10.5", "10.67"],
setAsDefault = True)
# I may decide to reintroduce "base-pair chunks" at a later time.
# Please talk to me if you have a strong feeling about including
# this. Mark 2007-08-19.
createChoices = ["Strand chunks", \
"Single chunk" ]
#@ "Base-pair chunks"]
self.createComboBox = \
PM_ComboBox( pmGroupBox,
label = "Create :",
choices = createChoices,
index = 0,
setAsDefault = True,
spanWidth = False )
def _loadGroupBox3(self, pmGroupBox):
"""
Load widgets in group box 3.
"""
self._endPoint1GroupBox = PM_GroupBox(pmGroupBox, title="Endpoint1")
self._endPoint2GroupBox = PM_GroupBox(pmGroupBox, title="Endpoint2")
# Point 1
self.x1SpinBox = \
PM_DoubleSpinBox( self._endPoint1GroupBox,
label = \
"ui/actions/Properties Manager/X_Coordinate.png",
value = 0,
setAsDefault = True,
minimum = -100.0,
maximum = 100.0,
decimals = 3,
suffix = ' Angstroms')
self.y1SpinBox = \
PM_DoubleSpinBox( self._endPoint1GroupBox,
label = \
"ui/actions/Properties Manager/Y_Coordinate.png",
value = 0,
setAsDefault = True,
minimum = -100.0,
maximum = 100.0,
decimals = 3,
suffix = ' Angstroms')
self.z1SpinBox = \
PM_DoubleSpinBox( self._endPoint1GroupBox,
label = \
"ui/actions/Properties Manager/Z_Coordinate.png",
value = 0,
setAsDefault = True,
minimum = -100.0,
maximum = 100.0,
decimals = 3,
suffix = ' Angstroms')
# Point 2
self.x2SpinBox = \
PM_DoubleSpinBox( self._endPoint2GroupBox,
label = \
"ui/actions/Properties Manager/X_Coordinate.png",
value = 10.0,
setAsDefault = True,
minimum = -100.0,
maximum = 100.0,
decimals = 3,
suffix = ' Angstroms')
self.y2SpinBox = \
PM_DoubleSpinBox( self._endPoint2GroupBox,
label = \
"ui/actions/Properties Manager/Y_Coordinate.png",
value = 0,
setAsDefault = True,
minimum = -100.0,
maximum = 100.0,
decimals = 3,
suffix = ' Angstroms')
self.z2SpinBox = \
PM_DoubleSpinBox( self._endPoint2GroupBox,
label = \
"ui/actions/Properties Manager/Z_Coordinate.png",
value = 0,
setAsDefault = True,
minimum = -100.0,
maximum = 100.0,
decimals = 3,
suffix = ' Angstroms')
def _addWhatsThisText(self):
"""
What's This text for some of the widgets in the
DNA Property Manager.
@note: Many PM widgets are still missing their "What's This" text.
"""
self.conformationComboBox.setWhatsThis("""<b>Conformation</b>
<p>There are three DNA geometries, A-DNA, B-DNA,
and Z-DNA. Only B-DNA and Z-DNA are currently supported.</p>""")
self.sequenceTextEdit.setWhatsThis("""<b>Strand Sequence</b>
<p>Type in the strand sequence you want to generate here (5' => 3')<br>
<br>
Recognized base letters:<br>
<br>
A = Adenosine<br>
C = Cytosine<br>
G = Guanosine<br>
T = Thymidine<br>
N = aNy base<br>
X = Unassigned<br>
<br>
Other base letters currently recognized:<br>
<br>
B = C,G, or T<br>
D = A,G, or T<br>
H = A,C, or T<br>
V = A,C, or G<br>
R = A or G (puRine)<br>
Y = C or T (pYrimidine)<br>
K = G or T (Keto)<br>
M = A or C (aMino)<br>
S = G or C (Strong -3H bonds)<br>
W = A or T (Weak - 2H bonds)<br>
</p>""")
self.actionsComboBox.setWhatsThis("""<b>Action</b>
<p>Select an action to perform on the sequence.</p>""")
def conformationComboBoxChanged(self, inIndex):
"""
Slot for the Conformation combobox. It is called whenever the
Conformation choice is changed.
@param inIndex: The new index.
@type inIndex: int
"""
self.basesPerTurnComboBox.clear()
conformation = self.conformationComboBox.currentText()
if conformation == "B-DNA":
self.basesPerTurnComboBox.insertItem(0, "10.0")
self.basesPerTurnComboBox.insertItem(1, "10.5")
self.basesPerTurnComboBox.insertItem(2, "10.67")
#10.5 is the default value for Bases per turn.
#So set the current index to 1
self.basesPerTurnComboBox.setCurrentIndex(1)
elif conformation == "Z-DNA":
self.basesPerTurnComboBox.insertItem(0, "12.0")
elif inIndex == -1:
# Caused by clear(). This is tolerable for now. Mark 2007-05-24.
conformation = "B-DNA" # Workaround for "Restore Defaults".
pass
else:
msg = redmsg("conformationComboBoxChanged(): \
Error - unknown DNA conformation. Index = " + inIndex)
env.history.message(msg)
self.duplexLengthSpinBox.setSingleStep(
self.getDuplexRise(conformation))
def modelComboBoxChanged(self, inIndex):
"""
Slot for the Model combobox. It is called whenever the
Model choice is changed.
@param inIndex: The new index.
@type inIndex: int
"""
conformation = self._modelChoices[inIndex]
self.disconnect(self.conformationComboBox,
SIGNAL("currentIndexChanged(int)"),
self.conformationComboBoxChanged)
self.conformationComboBox.clear() # Generates signal!
if conformation == self._modeltype_PAM3:
self.conformationComboBox.addItem("B-DNA")
elif conformation == self._modeltype_PAM5:
self.conformationComboBox.addItem("B-DNA")
elif conformation == self._modeltype_Atomistic:
self.conformationComboBox.addItem("B-DNA")
self.conformationComboBox.addItem("Z-DNA")
elif inIndex == -1:
# Caused by clear(). This is tolerable for now. Mark 2007-05-24.
pass
else:
msg = "Error - unknown model representation. Index = " + inIndex
env.history.message(redmsg(msg))
self.connect(self.conformationComboBox,
SIGNAL("currentIndexChanged(int)"),
self.conformationComboBoxChanged)
# GroupBox3 slots (and other methods) supporting the Strand Sequence groupbox.
def getDuplexRise(self, inConformation):
"""
Return the 'rise' between base pairs of the
specified DNA type (conformation).
@param inConformation: The current conformation.
@type inConformation: int
"""
return dnaDict[str(inConformation)]['DuplexRise']
def synchronizeLengths(self):
"""
Guarantees the values of the duplex length and strand length
spinboxes agree with the strand sequence (textedit).
"""
self.updateStrandLength()
self.updateDuplexLength()
return
# Added :jbirac 20070613:
def duplexLengthChanged(self, inDuplexLength):
"""
Slot for the duplex length spinbox, called whenever the value of the
Duplex Length spinbox changes.
@param inDuplexLength: The duplex length.
@type inDuplexLength: float
"""
conformation = self.conformationComboBox.currentText()
duplexRise = self.getDuplexRise(conformation)
newStrandLength = inDuplexLength / duplexRise + 0.5
newStrandLength = int(newStrandLength)
self.strandLengthChanged(newStrandLength)
def updateDuplexLength(self): # Added :jbirac 20070615:
"""
Update the Duplex Length spinbox; always the length of the
strand sequence multiplied by the 'rise' of the duplex. This
method is called by slots of other controls (i.e., this itself
is not a slot.)
"""
conformation = self.conformationComboBox.currentText()
newDuplexLength = self.getDuplexRise( conformation ) \
* self.getSequenceLength()
self.disconnect(self.duplexLengthSpinBox,
SIGNAL("valueChanged(double)"),
self.duplexLengthChanged)
self.duplexLengthSpinBox.setValue(newDuplexLength)
self.connect(self.duplexLengthSpinBox, SIGNAL("valueChanged(double)"),
self.duplexLengthChanged)
# Renamed from length_changed :jbirac 20070613:
def strandLengthChanged(self, inStrandLength):
"""
Slot for the Strand Length spin box, called whenever the value of the
Strand Length spin box changes.
@param inStrandLength: The number of bases in the strand sequence.
@type inStrandLength: int
"""
theSequence = self.getPlainSequence()
sequenceLen = len(theSequence)
lengthChange = inStrandLength - self.getSequenceLength()
# Preserve the cursor's position/selection
cursor = self.sequenceTextEdit.textCursor()
#cursorPosition = cursor.position()
selectionStart = cursor.selectionStart()
selectionEnd = cursor.selectionEnd()
if inStrandLength < 0:
return # Should never happen.
if lengthChange < 0:
# If length is less than the previous length,
# simply truncate the current sequence.
theSequence.chop(-lengthChange)
elif lengthChange > 0:
# If length has increased, add the correct number of base
# letters to the current strand sequence.
numNewBases = lengthChange
# Get current base selected in combobox.
chosenBase = 'X' # Unassigned.
basesToAdd = chosenBase * numNewBases
theSequence.append(basesToAdd)
else:
env.history.message(
orangemsg("strandLengthChanged(): Length has not changed."))
self.setSequence(theSequence)
return
# Renamed from updateLength :jbirac 20070613:
def updateStrandLength(self):
"""
Update the Strand Length spinbox; always the length of the strand
sequence.
"""
self.disconnect(self.strandLengthSpinBox, SIGNAL("valueChanged(int)"),
self.strandLengthChanged)
self.strandLengthSpinBox.setValue(self.getSequenceLength())
self.connect(self.strandLengthSpinBox, SIGNAL("valueChanged(int)"),
self.strandLengthChanged)
return
def sequenceChanged(self):
"""
Slot for the Strand Sequence textedit widget.
Assumes the sequence changed directly by user's keystroke in the
textedit. Other methods...
"""
cursorPosition = self.getCursorPosition()
theSequence = self.getPlainSequence()
# Disconnect while we edit the sequence.
self.disconnect(self.sequenceTextEdit, SIGNAL("textChanged()"),
self.sequenceChanged)
# How has the text changed?
if theSequence.length() == 0: # There is no sequence.
self.updateStrandLength()
self.updateDuplexLength()
else:
# Insert the sequence; it will be "stylized" by setSequence().
self.setSequence(theSequence)
# Reconnect to respond when the sequence is changed.
self.connect(self.sequenceTextEdit, SIGNAL("textChanged()"),
self.sequenceChanged)
self.synchronizeLengths()
return
def getPlainSequence(self, inOmitSymbols=False):
"""
Returns a plain text QString (without HTML stylization)
of the current sequence. All characters are preserved (unless
specified explicitly), including valid base letters, punctuation
symbols, whitespace and invalid letters.
@param inOmitSymbols: Omits characters listed in self.validSymbols.
@type inOmitSymbols: bool
@return: The current DNA sequence in the PM.
@rtype: QString
"""
outSequence = self.sequenceTextEdit.toPlainText()
if inOmitSymbols:
# This may look like a sloppy piece of code, but Qt's QRegExp
# class makes it pretty tricky to remove all punctuation.
theString = '[<>' \
+ str( QRegExp.escape(self.validSymbols) ) \
+ ']|-'
outSequence.remove(QRegExp(theString))
return outSequence
def stylizeSequence(self, inSequence):
"""
Converts a plain text string of a sequence (including optional
symbols) to an HTML rich text string.
@param inSequence: A DNA sequence.
@type inSequence: QString
@return: The sequence.
@rtype: QString
"""
outSequence = str(inSequence)
# Verify that all characters (bases) in the sequence are "valid".
invalidSequence = False
basePosition = 0
sequencePosition = 0
invalidStartTag = "<b><font color=black>"
invalidEndTag = "</b>"
previousChar = chr(1) # Null character; may be revised.
# Some characters must be substituted to preserve
# whitespace and tags in HTML code.
substituteDict = {' ': ' ', '<': '<', '>': '>'}
while basePosition < len(outSequence):
theSeqChar = outSequence[basePosition]
if (theSeqChar in basesDict or theSeqChar in self.validSymbols):
# Close any preceding invalid sequence segment.
if invalidSequence == True:
outSequence = outSequence[:basePosition] \
+ invalidEndTag \
+ outSequence[basePosition:]
basePosition += len(invalidEndTag)
invalidSequence = False
# Color the valid characters.
if theSeqChar != previousChar:
# We only need to insert 'color' tags in places where
# the adjacent characters are different.
if theSeqChar in basesDict:
theTag = '<font color=' \
+ basesDict[ theSeqChar ]['Color'] \
+ '>'
elif not previousChar in self.validSymbols:
# The character is a 'valid' symbol to be greyed
# out. Only one 'color' tag is needed for a
# group of adjacent symbols.
theTag = '<font color=dimgrey>'
else:
theTag = ''
outSequence = outSequence[:basePosition] \
+ theTag + outSequence[basePosition:]
basePosition += len(theTag)
# Any <space> character must be substituted with an
# ASCII code tag because the HTML engine will collapse
# whitespace to a single <space> character; whitespace
# is truncated from the end of HTML by default.
# Also, many symbol characters must be substituted
# because they confuse the HTML syntax.
#if str( outSequence[basePosition] ) in substituteDict:
if outSequence[basePosition] in substituteDict:
#theTag = substituteDict[theSeqChar]
theTag = substituteDict[outSequence[basePosition]]
outSequence = outSequence[:basePosition] \
+ theTag \
+ outSequence[basePosition + 1:]
basePosition += len(theTag) - 1
else:
# The sequence character is invalid (but permissible).
# Tags (e.g., <b> and </b>) must be inserted at both the
# beginning and end of a segment of invalid characters.
if invalidSequence == False:
outSequence = outSequence[:basePosition] \
+ invalidStartTag \
+ outSequence[basePosition:]
basePosition += len(invalidStartTag)
invalidSequence = True
basePosition += 1
previousChar = theSeqChar
#basePosition += 1
# Specify that theSequence is definitely HTML format, because
# Qt can get confused between HTML and Plain Text.
outSequence = "<html>" + outSequence
outSequence += "</html>"
return outSequence
def setSequence(self, inSequence, inStylize=True, inRestoreCursor=True):
"""
Replace the current strand sequence with the new sequence text.
@param inSequence: The new sequence.
@type inSequence: QString
@param inStylize: If True, inSequence will be converted from a plain
text string (including optional symbols) to an HTML
rich text string.
@type inStylize: bool
@param inRestoreCursor: Not implemented yet.
@type inRestoreCursor: bool
@attention: Signals/slots must be managed before calling this method.
The textChanged() signal will be sent to any connected widgets.
"""
cursor = self.sequenceTextEdit.textCursor()
selectionStart = cursor.selectionStart()
selectionEnd = cursor.selectionEnd()
if inStylize:
inSequence = self.stylizeSequence(inSequence)
self.sequenceTextEdit.insertHtml(inSequence)
if inRestoreCursor:
cursor.setPosition(min(selectionStart, self.getSequenceLength()),
QTextCursor.MoveAnchor)
cursor.setPosition(min(selectionEnd, self.getSequenceLength()),
QTextCursor.KeepAnchor)
self.sequenceTextEdit.setTextCursor(cursor)
return
def getSequenceLength(self):
"""
Returns the number of characters in
the strand sequence textedit widget.
"""
theSequence = self.getPlainSequence(inOmitSymbols=True)
outLength = theSequence.length()
return outLength
def getCursorPosition(self):
"""
Returns the cursor position in the
strand sequence textedit widget.
"""
cursor = self.sequenceTextEdit.textCursor()
return cursor.position()
def cursorPosChanged(self):
"""
Slot called when the cursor position changes.
"""
cursor = self.sequenceTextEdit.textCursor()
if 0:
env.history.message(
greenmsg("cursorPosChanged: Selection (" +
str(cursor.selectionStart()) + " thru " +
str(cursor.selectionEnd()) + ')'))
return
def actionsComboBoxChanged(self, inIndex):
"""
Slot for the Actions combobox. It is called whenever the
Action choice is changed.
@param inIndex: The index of the selected action choice.
@type inIndex: int
"""
if inIndex == 0: # Very important.
return
actionName = str(self.actionsComboBox.currentText())
self.actionsComboBox.setCurrentIndex(0) # Generates signal!
self.invokeAction(actionName)
return
def invokeAction(self, inActionName):
"""
Applies an action on the current sequence displayed in the PM.
@param inActionName: The action name.
@type inActionName: str
@return: The sequence after the action has been applied.
@rtype: str
"""
sequence, allKnown = self._getSequence()
outResult = ""
if inActionName == self._action_Complement:
outResult = getComplementSequence(sequence)
elif inActionName == self._action_Reverse:
outResult = getReverseSequence(sequence)
elif inActionName == self._action_ConvertUnrecognized:
outResult = replaceUnrecognized(sequence, replaceBase='N')
self.setSequence(outResult)
elif inActionName == self._action_RemoveUnrecognized:
outResult = replaceUnrecognized(sequence, replaceBase='')
self.setSequence(outResult)
return
class PM_MessageGroupBox( PM_GroupBox ):
"""
The PM_MessageGroupBox widget provides a message box with a
collapse/expand button and a title.
"""
def __init__(self,
parentWidget,
title = "Message"
):
"""
PM_MessageGroupBox constructor.
@param parentWidget: the PM_Dialog containing this message groupbox.
@type parentWidget: PM_Dialog
@param title: The title on the collapse button
@type title: str
"""
PM_GroupBox.__init__(self, parentWidget, title)
self.vBoxLayout.setMargin(0)
self.vBoxLayout.setSpacing(0)
self.gridLayout.setMargin(0)
self.gridLayout.setSpacing(0)
self.MessageTextEdit = PM_TextEdit(self,
label='',
spanWidth = True,
addToParent = False,
##cursorPosition = 'beginning'
)
# We pass addToParent = False to suppress the usual call by
# PM_TextEdit.__init__ of self.addPmWidget(new textedit widget),
# since we need to add it to self in a different way (below).
# [bruce 071103 refactored this from what used to be a special case
# in PM_TextEdit.__init__ based on self being an instance of
# PM_MessageGroupBox.]
# Needed for Intel MacOS. Otherwise, the horizontal scrollbar
# is displayed in the MessageGroupBox. Mark 2007-05-24.
# Shouldn't be needed with _setHeight() in PM_TextEdit.
#Note 2008-06-17: We now permit a vertical scrollbar in message groupbox
#--Ninad
self.MessageTextEdit.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
# Add self.MessageTextEdit to self's vBoxLayout.
self.vBoxLayout.addWidget(self.MessageTextEdit)
# We should be calling the PM's getMessageTextEditPalette() method,
# but that will take some extra work which I will do soon. Mark 2007-06-21
self.MessageTextEdit.setPalette(getPalette( None,
QPalette.Base,
pmMessageBoxColor))
self.MessageTextEdit.setReadOnly(True)
#@self.MessageTextEdit.labelWidget = None # Never has one. Mark 2007-05-31
self._widgetList.append(self.MessageTextEdit)
self._rowCount += 1
# wrapWrapMode seems to be set to QTextOption.WrapAnywhere on MacOS,
# so let's force it here. Mark 2007-05-22.
self.MessageTextEdit.setWordWrapMode(QTextOption.WordWrap)
parentWidget.MessageTextEdit = self.MessageTextEdit
# These two policies very important. Mark 2007-05-22
self.setSizePolicy(
QSizePolicy(QSizePolicy.Policy(QSizePolicy.Preferred),
QSizePolicy.Policy(QSizePolicy.Fixed)))
self.MessageTextEdit.setSizePolicy(
QSizePolicy(QSizePolicy.Policy(QSizePolicy.Preferred),
QSizePolicy.Policy(QSizePolicy.Fixed)))
self.setWhatsThis("""<b>Messages</b>
<p>This prompts the user for a requisite operation and/or displays
helpful messages to the user.</p>""")
# Hide until insertHtmlMessage() loads a message.
self.hide()
def expand(self):
"""
Expand this group box i.e. show all its contents and change the look
and feel of the groupbox button. It also sets the gridlayout margin and
spacing to 0. (necessary to get rid of the extra space inside the
groupbox.)
@see: L{PM_GroupBox.expand}
"""
PM_GroupBox.expand(self)
# If we don't do this, we get a small space b/w the
# title button and the MessageTextEdit widget.
# Extra code unnecessary, but more readable.
# Mark 2007-05-21
self.gridLayout.setMargin(0)
self.gridLayout.setSpacing(0)
def insertHtmlMessage(self,
text,
setAsDefault = False,
minLines = 4,
maxLines = 10,
replace = True,
scrolltoTop = True):
"""
Insert text (HTML) into the message box. Displays the message box if it is hidden.
Arguments:
@param minLines: the minimum number of lines (of text) to display in the TextEdit.
if <minLines>=0 the TextEdit will fit its own height to fit <text>. The
default height is 4 (lines of text).
@type minLines: int
@param maxLines: The maximum number of lines to display in the TextEdit widget.
@type maxLines: int
@param replace: should be set to False if you do not wish to replace
the current text. It will append <text> instead.
@type replace: int
@note: Displays the message box if it is hidden.
"""
self.MessageTextEdit.insertHtml( text,
setAsDefault,
minLines = minLines,
maxLines = maxLines,
replace = True )
if scrolltoTop:
cursor = self.MessageTextEdit.textCursor()
cursor.setPosition( 0,
QTextCursor.MoveAnchor )
self.MessageTextEdit.setTextCursor( cursor )
self.MessageTextEdit.ensureCursorVisible()
##self.MessageTextEdit.moveCursor(QTextCursor.Start)
##self.MessageTextEdit.ensureCursorVisible()
#text2 = self.MessageTextEdit.toPlainText()
#print "***PM = %s, len(text) =%s"%(self.parentWidget, len(text))
#if len(text2) > 16:
#anchorText = text2[:16]
#print "***anchorText =", anchorText
#self.MessageTextEdit.scrollToAnchor(anchorText)
#self.MessageTextEdit.ensureCursorVisible()
self.show()