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# Copyright 2008 Nanorex, Inc. See LICENSE file for details.
"""
@author: Ninad
@copyright: 2008 Nanorex, Inc. See LICENSE file for details.
@version:$Id$
History:
TODO:
See ListWidgetItems_Command_Mixin for details.
@see: MakeCrossovers_PropertyManager
ListWidgetItems_Command_Mixin
ListWidgetItems_GraphicsMode_Mixin
"""
from PM.PM_SelectionListWidget import PM_SelectionListWidget
from utilities.constants import lightred_1, lightgreen_2
from PyQt4.Qt import Qt
from PM.PM_ToolButton import PM_ToolButton
from PM.PM_WidgetRow import PM_WidgetRow
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()
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