--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/Debugger/VariablesViewer.py Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,846 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2002 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the variables viewer widget.
+"""
+
+from __future__ import unicode_literals
+try:
+ str = unicode
+except NameError:
+ pass
+
+from PyQt5.QtCore import Qt, QRegExp, QCoreApplication
+from PyQt5.QtWidgets import QTreeWidget, QTreeWidgetItem, QAbstractItemView, \
+ QMenu
+
+from E5Gui.E5Application import e5App
+
+from .Config import ConfigVarTypeDispStrings
+
+import Preferences
+import Utilities
+from Globals import qVersionTuple
+
+
+class VariableItem(QTreeWidgetItem):
+ """
+ Class implementing the data structure for variable items.
+ """
+ Indicators = ("()", "[]", "{:}", "{}") # __IGNORE_WARNING_M613__
+ Type2Indicators = {
+ # Python types
+ 'list': '[]',
+ 'tuple': '()',
+ 'dict': '{:}', # __IGNORE_WARNING_M613__
+ 'set': '{}', # __IGNORE_WARNING_M613__
+ 'frozenset': '{}', # __IGNORE_WARNING_M613__
+ }
+
+ def __init__(self, parent, dvar, dvalue, dtype):
+ """
+ Constructor
+
+ @param parent reference to the parent item
+ @param dvar variable name (string)
+ @param dvalue value string (string)
+ @param dtype type string (string)
+ """
+ dvar, self.__varID = VariableItem.extractId(dvar)
+
+ self.__value = dvalue
+ if len(dvalue) > 2048: # 1024 * 2
+ dvalue = QCoreApplication.translate(
+ "VariableItem", "<double click to show value>")
+ self.__tooltip = dvalue
+ elif dvalue == "@@TOO_BIG_TO_SHOW@@":
+ dvalue = QCoreApplication.translate(
+ "VariableItem", "<variable value is too big>")
+ else:
+ if Qt.mightBeRichText(dvalue):
+ self.__tooltip = Utilities.html_encode(dvalue)
+ else:
+ self.__tooltip = dvalue
+ lines = dvalue.splitlines()
+ if len(lines) > 1:
+ # only show the first non-empty line;
+ # indicate skipped lines by <...> at the
+ # beginning and/or end
+ index = 0
+ while index < len(lines) - 1 and lines[index] == "":
+ index += 1
+ dvalue = ""
+ if index > 0:
+ dvalue += "<...>"
+ dvalue += lines[index]
+ if index < len(lines) - 1:
+ dvalue += "<...>"
+
+ super(VariableItem, self).__init__(parent, [dvar, dvalue, dtype])
+
+ self.populated = True
+
+ def getValue(self):
+ """
+ Public method to return the value of the item.
+
+ @return value of the item (string)
+ """
+ return self.__value
+
+ def getId(self):
+ """
+ Public method to get the ID string.
+
+ @return ID string
+ @rtype str
+ """
+ return self.__varID
+
+ @classmethod
+ def extractId(cls, var):
+ """
+ Class method to extract the ID string from a variable text.
+
+ @param var variable text
+ @type str
+ @return tuple containing the variable text without ID and the ID string
+ @rtype tuple of two str
+ """
+ if " (ID:" in var:
+ dvar, varID = var.rsplit(None, 1)
+ if varID.endswith(VariableItem.Indicators):
+ varID, indicators = VariableItem.extractIndicators(varID)
+ dvar += indicators
+ else:
+ dvar = var
+ varID = None
+
+ return dvar, varID
+
+ @classmethod
+ def extractIndicators(cls, var):
+ """
+ Class method to extract the indicator string from a variable text.
+
+ @param var variable text
+ @type str
+ @return tuple containing the variable text without indicators and the
+ indicator string
+ @rtype tuple of two str
+ """
+ for indicator in VariableItem.Indicators:
+ if var.endswith(indicator):
+ return var[:-len(indicator)], indicator
+
+ return var, ""
+
+ def _buildKey(self):
+ """
+ Protected method to build the access key for the variable.
+
+ @return access key
+ @rtype str
+ """
+ indicators = ""
+ txt = self.text(0)
+ if txt.endswith(VariableItem.Indicators):
+ txt, indicators = VariableItem.extractIndicators(txt)
+ if self.__varID:
+ txt = "{0} {1}{2}".format(txt, self.__varID, indicators)
+ else:
+ txt = "{0}{1}".format(txt, indicators)
+ return txt
+
+ def data(self, column, role):
+ """
+ Public method to return the data for the requested role.
+
+ This implementation changes the original behavior in a way, that the
+ display data is returned as the tooltip for column 1.
+
+ @param column column number (integer)
+ @param role data role (Qt.ItemDataRole)
+ @return requested data
+ """
+ if column == 1 and role == Qt.ToolTipRole:
+ return self.__tooltip
+ return super(VariableItem, self).data(column, role)
+
+ def attachDummy(self):
+ """
+ Public method to attach a dummy sub item to allow for lazy population.
+ """
+ QTreeWidgetItem(self, ["DUMMY"])
+
+ def deleteChildren(self):
+ """
+ Public method to delete all children (cleaning the subtree).
+ """
+ for itm in self.takeChildren():
+ del itm
+
+ def expand(self):
+ """
+ Public method to expand the item.
+
+ Note: This is just a do nothing and should be overwritten.
+ """
+ return
+
+ def collapse(self):
+ """
+ Public method to collapse the item.
+
+ Note: This is just a do nothing and should be overwritten.
+ """
+ return
+
+
+class SpecialVarItem(VariableItem):
+ """
+ Class implementing a VariableItem that represents a special variable node.
+
+ These special variable nodes are generated for classes, lists,
+ tuples and dictionaries.
+ """
+ def __init__(self, parent, dvar, dvalue, dtype, frmnr, globalScope):
+ """
+ Constructor
+
+ @param parent parent of this item
+ @param dvar variable name (string)
+ @param dvalue value string (string)
+ @param dtype type string (string)
+ @param frmnr frame number (0 is the current frame) (int)
+ @param globalScope flag indicating global (True) or local (False)
+ variables
+ """
+ VariableItem.__init__(self, parent, dvar, dvalue, dtype)
+ self.attachDummy()
+ self.populated = False
+
+ self.framenr = frmnr
+ self.globalScope = globalScope
+
+ def expand(self):
+ """
+ Public method to expand the item.
+ """
+ self.deleteChildren()
+ self.populated = True
+
+ pathlist = [self._buildKey()]
+ par = self.parent()
+
+ # step 1: get a pathlist up to the requested variable
+ while par is not None:
+ pathlist.insert(0, par._buildKey())
+ par = par.parent()
+
+ # step 2: request the variable from the debugger
+ variablesFilter = e5App().getObject("DebugUI").variablesFilter(
+ self.globalScope)
+ e5App().getObject("DebugServer").remoteClientVariable(
+ self.globalScope, variablesFilter, pathlist, self.framenr)
+
+
+class ArrayElementVarItem(VariableItem):
+ """
+ Class implementing a VariableItem that represents an array element.
+ """
+ def __init__(self, parent, dvar, dvalue, dtype):
+ """
+ Constructor
+
+ @param parent parent of this item
+ @param dvar variable name (string)
+ @param dvalue value string (string)
+ @param dtype type string (string)
+ """
+ VariableItem.__init__(self, parent, dvar, dvalue, dtype)
+
+ """
+ Array elements have numbers as names, but the key must be
+ right justified and zero filled to 6 decimal places. Then
+ element 2 will have a key of '000002' and appear before
+ element 10 with a key of '000010'
+ """
+ col0Str = self.text(0)
+ self.setText(0, "{0:6d}".format(int(col0Str)))
+
+
+class SpecialArrayElementVarItem(SpecialVarItem):
+ """
+ Class implementing a QTreeWidgetItem that represents a special array
+ variable node.
+ """
+ def __init__(self, parent, dvar, dvalue, dtype, frmnr, globalScope):
+ """
+ Constructor
+
+ @param parent parent of this item
+ @param dvar variable name (string)
+ @param dvalue value string (string)
+ @param dtype type string (string)
+ @param frmnr frame number (0 is the current frame) (int)
+ @param globalScope flag indicating global (True) or local (False)
+ variables
+ """
+ SpecialVarItem.__init__(self, parent, dvar, dvalue, dtype, frmnr,
+ globalScope)
+
+ """
+ Array elements have numbers as names, but the key must be
+ right justified and zero filled to 6 decimal places. Then
+ element 2 will have a key of '000002' and appear before
+ element 10 with a key of '000010'
+ """
+ # strip off [], () or {}
+ col0Str, indicators = VariableItem.extractIndicators(self.text(0))
+ self.setText(0, "{0:6d}{1}".format(int(col0Str), indicators))
+
+
+class VariablesViewer(QTreeWidget):
+ """
+ Class implementing the variables viewer widget.
+
+ This widget is used to display the variables of the program being
+ debugged in a tree. Compound types will be shown with
+ their main entry first. Once the subtree has been expanded, the
+ individual entries will be shown. Double clicking an entry will
+ popup a dialog showing the variables parameters in a more readable
+ form. This is especially useful for lengthy strings.
+
+ This widget has two modes for displaying the global and the local
+ variables.
+ """
+ def __init__(self, viewer, globalScope, parent=None):
+ """
+ Constructor
+
+ @param viewer reference to the debug viewer object (DebugViewer)
+ @param globalScope flag indicating global (True) or local (False)
+ variables
+ @param parent the parent (QWidget)
+ """
+ super(VariablesViewer, self).__init__(parent)
+
+ self.__debugViewer = viewer
+ self.__globalScope = globalScope
+
+ indicatorPattern = "|".join([QRegExp.escape(indicator)
+ for indicator in VariableItem.Indicators])
+ self.rx_class = QRegExp('<.*(instance|object) at 0x.*>')
+ self.rx_class2 = QRegExp('class .*')
+ self.rx_class3 = QRegExp('<class .* at 0x.*>')
+ self.dvar_rx_class1 = QRegExp(
+ r'<.*(instance|object) at 0x.*>({0})'.format(indicatorPattern))
+ self.dvar_rx_class2 = QRegExp(
+ r'<class .* at 0x.*>({0})'.format(indicatorPattern))
+ self.dvar_rx_array_element = QRegExp(r'^\d+$')
+ self.dvar_rx_special_array_element = QRegExp(
+ r'^\d+({0})$'.format(indicatorPattern))
+ self.rx_nonprintable = QRegExp(r"""(\\x\d\d)+""")
+
+ self.framenr = 0
+
+ self.loc = Preferences.getSystem("StringEncoding")
+
+ self.openItems = []
+
+ self.setRootIsDecorated(True)
+ self.setAlternatingRowColors(True)
+ self.setSelectionBehavior(QAbstractItemView.SelectRows)
+
+ if self.__globalScope:
+ self.setWindowTitle(self.tr("Global Variables"))
+ self.setHeaderLabels([
+ self.tr("Globals"),
+ self.tr("Value"),
+ self.tr("Type")])
+ self.setWhatsThis(self.tr(
+ """<b>The Global Variables Viewer Window</b>"""
+ """<p>This window displays the global variables"""
+ """ of the debugged program.</p>"""
+ ))
+ else:
+ self.setWindowTitle(self.tr("Local Variables"))
+ self.setHeaderLabels([
+ self.tr("Locals"),
+ self.tr("Value"),
+ self.tr("Type")])
+ self.setWhatsThis(self.tr(
+ """<b>The Local Variables Viewer Window</b>"""
+ """<p>This window displays the local variables"""
+ """ of the debugged program.</p>"""
+ ))
+
+ header = self.header()
+ header.setSortIndicator(0, Qt.AscendingOrder)
+ header.setSortIndicatorShown(True)
+ if qVersionTuple() >= (5, 0, 0):
+ header.setSectionsClickable(True)
+ else:
+ header.setClickable(True)
+ header.sectionClicked.connect(self.__sectionClicked)
+ header.resizeSection(0, 120) # variable column
+ header.resizeSection(1, 150) # value column
+
+ self.__createPopupMenus()
+ self.setContextMenuPolicy(Qt.CustomContextMenu)
+ self.customContextMenuRequested.connect(self.__showContextMenu)
+
+ self.itemExpanded.connect(self.__expandItemSignal)
+ self.itemCollapsed.connect(self.collapseItem)
+
+ self.resortEnabled = True
+
+ def __createPopupMenus(self):
+ """
+ Private method to generate the popup menus.
+ """
+ self.menu = QMenu()
+ self.menu.addAction(self.tr("Show Details..."), self.__showDetails)
+ self.menu.addAction(self.tr("Refresh"), self.__refreshView)
+ self.menu.addSeparator()
+ self.menu.addAction(self.tr("Configure..."), self.__configure)
+
+ self.backMenu = QMenu()
+ self.backMenu.addAction(self.tr("Refresh"), self.__refreshView)
+ self.backMenu.addSeparator()
+ self.backMenu.addAction(self.tr("Configure..."), self.__configure)
+
+ def __showContextMenu(self, coord):
+ """
+ Private slot to show the context menu.
+
+ @param coord the position of the mouse pointer (QPoint)
+ """
+ gcoord = self.mapToGlobal(coord)
+ if self.itemAt(coord) is not None:
+ self.menu.popup(gcoord)
+ else:
+ self.backMenu.popup(gcoord)
+
+ def __findItem(self, slist, column, node=None):
+ """
+ Private method to search for an item.
+
+ It is used to find a specific item in column,
+ that is a child of node. If node is None, a child of the
+ QTreeWidget is searched.
+
+ @param slist searchlist (list of strings)
+ @param column index of column to search in (int)
+ @param node start point of the search
+ @return the found item or None
+ """
+ if node is None:
+ count = self.topLevelItemCount()
+ else:
+ count = node.childCount()
+
+ if column == 0:
+ searchStr = VariableItem.extractId(slist[0])[0]
+ else:
+ searchStr = slist[0]
+
+ for index in range(count):
+ if node is None:
+ itm = self.topLevelItem(index)
+ else:
+ itm = node.child(index)
+ if itm.text(column) == searchStr:
+ if len(slist) > 1:
+ itm = self.__findItem(slist[1:], column, itm)
+ return itm
+
+ return None
+
+ def showVariables(self, vlist, frmnr):
+ """
+ Public method to show variables in a list.
+
+ @param vlist the list of variables to be displayed. Each
+ listentry is a tuple of three values.
+ <ul>
+ <li>the variable name (string)</li>
+ <li>the variables type (string)</li>
+ <li>the variables value (string)</li>
+ </ul>
+ @param frmnr frame number (0 is the current frame) (int)
+ """
+ self.current = self.currentItem()
+ if self.current:
+ self.curpathlist = self.__buildTreePath(self.current)
+ self.clear()
+ self.__scrollToItem = None
+ self.framenr = frmnr
+
+ if len(vlist):
+ self.resortEnabled = False
+ for (var, vtype, value) in vlist:
+ self.__addItem(None, vtype, var, value)
+
+ # re-expand tree
+ openItems = sorted(self.openItems[:])
+ self.openItems = []
+ for itemPath in openItems:
+ itm = self.__findItem(itemPath, 0)
+ if itm is not None:
+ self.expandItem(itm)
+ else:
+ self.openItems.append(itemPath)
+
+ if self.current:
+ citm = self.__findItem(self.curpathlist, 0)
+ if citm:
+ self.setCurrentItem(citm)
+ citm.setSelected(True)
+ self.scrollToItem(citm, QAbstractItemView.PositionAtTop)
+ self.current = None
+
+ self.resortEnabled = True
+ self.__resort()
+
+ def showVariable(self, vlist):
+ """
+ Public method to show variables in a list.
+
+ @param vlist the list of subitems to be displayed.
+ The first element gives the path of the
+ parent variable. Each other listentry is
+ a tuple of three values.
+ <ul>
+ <li>the variable name (string)</li>
+ <li>the variables type (string)</li>
+ <li>the variables value (string)</li>
+ </ul>
+ """
+ resortEnabled = self.resortEnabled
+ self.resortEnabled = False
+ if self.current is None:
+ self.current = self.currentItem()
+ if self.current:
+ self.curpathlist = self.__buildTreePath(self.current)
+
+ if vlist:
+ itm = self.__findItem(vlist[0], 0)
+ for var, vtype, value in vlist[1:]:
+ self.__addItem(itm, vtype, var, value)
+
+ # re-expand tree
+ openItems = sorted(self.openItems[:])
+ self.openItems = []
+ for itemPath in openItems:
+ itm = self.__findItem(itemPath, 0)
+ if itm is not None and not itm.isExpanded():
+ if itm.populated:
+ self.blockSignals(True)
+ itm.setExpanded(True)
+ self.blockSignals(False)
+ else:
+ self.expandItem(itm)
+ self.openItems = openItems[:]
+
+ if self.current:
+ citm = self.__findItem(self.curpathlist, 0)
+ if citm:
+ self.setCurrentItem(citm)
+ citm.setSelected(True)
+ if self.__scrollToItem:
+ self.scrollToItem(self.__scrollToItem,
+ QAbstractItemView.PositionAtTop)
+ else:
+ self.scrollToItem(citm, QAbstractItemView.PositionAtTop)
+ self.current = None
+ elif self.__scrollToItem:
+ self.scrollToItem(self.__scrollToItem,
+ QAbstractItemView.PositionAtTop)
+
+ self.resortEnabled = resortEnabled
+ self.__resort()
+
+ def __generateItem(self, parent, dvar, dvalue, dtype, isSpecial=False):
+ """
+ Private method used to generate a VariableItem.
+
+ @param parent parent of the item to be generated
+ @param dvar variable name (string)
+ @param dvalue value string (string)
+ @param dtype type string (string)
+ @param isSpecial flag indicating that a special node should be
+ generated (boolean)
+ @return The item that was generated (VariableItem).
+ """
+ if isSpecial and \
+ (self.dvar_rx_class1.exactMatch(dvar) or
+ self.dvar_rx_class2.exactMatch(dvar)):
+ isSpecial = False
+
+ if self.rx_class2.exactMatch(dtype):
+ return SpecialVarItem(
+ parent, dvar, dvalue, dtype[7:-1], self.framenr,
+ self.__globalScope)
+ elif dtype != "void *" and \
+ (self.rx_class.exactMatch(dvalue) or
+ self.rx_class3.exactMatch(dvalue) or
+ isSpecial):
+ if self.dvar_rx_special_array_element.exactMatch(dvar):
+ return SpecialArrayElementVarItem(
+ parent, dvar, dvalue, dtype, self.framenr,
+ self.__globalScope)
+ else:
+ return SpecialVarItem(parent, dvar, dvalue, dtype,
+ self.framenr, self.__globalScope)
+ elif dtype in ["numpy.ndarray", "django.MultiValueDict",
+ "array.array"]:
+ return SpecialVarItem(
+ parent, dvar, self.tr("{0} items").format(dvalue), dtype,
+ self.framenr, self.__globalScope)
+ else:
+ if self.dvar_rx_array_element.exactMatch(dvar):
+ return ArrayElementVarItem(parent, dvar, dvalue, dtype)
+ else:
+ return VariableItem(parent, dvar, dvalue, dtype)
+
+ def __addItem(self, parent, vtype, var, value):
+ """
+ Private method used to add an item to the list.
+
+ If the item is of a type with subelements (i.e. list, dictionary,
+ tuple), these subelements are added by calling this method recursively.
+
+ @param parent the parent of the item to be added
+ (QTreeWidgetItem or None)
+ @param vtype the type of the item to be added
+ (string)
+ @param var the variable name (string)
+ @param value the value string (string)
+ @return The item that was added to the listview (QTreeWidgetItem).
+ """
+ if parent is None:
+ parent = self
+ try:
+ dvar = '{0}{1}'.format(var, VariableItem.Type2Indicators[vtype])
+ except KeyError:
+ dvar = var
+ dvtype = self.__getDispType(vtype)
+
+ if vtype in ['list', 'tuple', 'dict', 'set', 'frozenset']:
+ itm = self.__generateItem(parent, dvar,
+ self.tr("{0} items").format(value),
+ dvtype, True)
+ elif vtype in ['unicode', 'str']:
+ if self.rx_nonprintable.indexIn(value) != -1:
+ sval = value
+ else:
+ try:
+ sval = eval(value)
+ except Exception:
+ sval = value
+ itm = self.__generateItem(parent, dvar, str(sval), dvtype)
+
+ else:
+ itm = self.__generateItem(parent, dvar, value, dvtype)
+
+ return itm
+
+ def __getDispType(self, vtype):
+ """
+ Private method used to get the display string for type vtype.
+
+ @param vtype the type, the display string should be looked up for
+ (string)
+ @return displaystring (string)
+ """
+ try:
+ dvtype = self.tr(ConfigVarTypeDispStrings[vtype])
+ except KeyError:
+ if vtype == 'classobj':
+ dvtype = self.tr(ConfigVarTypeDispStrings['instance'])
+ else:
+ dvtype = vtype
+ return dvtype
+
+ def __refreshView(self):
+ """
+ Private slot to refresh the view.
+ """
+ if self.__globalScope:
+ self.__debugViewer.setGlobalsFilter()
+ else:
+ self.__debugViewer.setLocalsFilter()
+
+ def mouseDoubleClickEvent(self, mouseEvent):
+ """
+ Protected method of QAbstractItemView.
+
+ Reimplemented to disable expanding/collapsing of items when
+ double-clicking. Instead the double-clicked entry is opened.
+
+ @param mouseEvent the mouse event object (QMouseEvent)
+ """
+ itm = self.itemAt(mouseEvent.pos())
+ self.__showVariableDetails(itm)
+
+ def __showDetails(self):
+ """
+ Private slot to show details about the selected variable.
+ """
+ itm = self.currentItem()
+ self.__showVariableDetails(itm)
+
+ def __showVariableDetails(self, itm):
+ """
+ Private method to show details about a variable.
+
+ @param itm reference to the variable item
+ """
+ if itm is None:
+ return
+
+ val = itm.getValue()
+
+ if not val:
+ return # do not display anything, if the variable has no value
+
+ vtype = itm.text(2)
+ name = VariableItem.extractIndicators(itm.text(0).strip())[0]
+
+ par = itm.parent()
+ if name.startswith("["): # numpy.ndarray, array.array
+ nlist = []
+ else:
+ nlist = [name]
+
+ # build up the fully qualified name
+ while par is not None:
+ pname, indicators = VariableItem.extractIndicators(
+ par.text(0).strip())
+ if indicators:
+ if nlist[0].endswith("."):
+ nlist[0] = '[{0}].'.format(nlist[0][:-1])
+ else:
+ nlist[0] = '[{0}]'.format(nlist[0])
+ if not pname.startswith("["): # numpy.ndarray, array.array
+ nlist.insert(0, pname)
+ else:
+ if par.text(2) == "django.MultiValueDict":
+ nlist[0] = 'getlist({0})'.format(nlist[0])
+ elif par.text(2) == "numpy.ndarray":
+ if nlist[0][0].isalpha():
+ if nlist[0] in ["min", "max", "mean"]:
+ nlist[0] = ".{0}()".format(nlist[0])
+ else:
+ nlist[0] = ".{0}".format(nlist[0])
+ nlist.insert(0, pname)
+ else:
+ nlist.insert(0, '{0}.'.format(pname))
+ par = par.parent()
+
+ name = ''.join(nlist)
+ # now show the dialog
+ from .VariableDetailDialog import VariableDetailDialog
+ dlg = VariableDetailDialog(name, vtype, val)
+ dlg.exec_()
+
+ def __buildTreePath(self, itm):
+ """
+ Private method to build up a path from the top to an item.
+
+ @param itm item to build the path for (QTreeWidgetItem)
+ @return list of names denoting the path from the top (list of strings)
+ """
+ name = itm.text(0)
+ pathlist = [name]
+
+ par = itm.parent()
+ # build up a path from the top to the item
+ while par is not None:
+ pname = par.text(0)
+ pathlist.insert(0, pname)
+ par = par.parent()
+
+ return pathlist[:]
+
+ def __expandItemSignal(self, parentItem):
+ """
+ Private slot to handle the expanded signal.
+
+ @param parentItem reference to the item being expanded
+ (QTreeWidgetItem)
+ """
+ self.expandItem(parentItem)
+ self.__scrollToItem = parentItem
+
+ def expandItem(self, parentItem):
+ """
+ Public slot to handle the expanded signal.
+
+ @param parentItem reference to the item being expanded
+ (QTreeWidgetItem)
+ """
+ pathlist = self.__buildTreePath(parentItem)
+ self.openItems.append(pathlist)
+ if parentItem.populated:
+ return
+
+ try:
+ parentItem.expand()
+ except AttributeError:
+ super(VariablesViewer, self).expandItem(parentItem)
+
+ def collapseItem(self, parentItem):
+ """
+ Public slot to handle the collapsed signal.
+
+ @param parentItem reference to the item being collapsed
+ (QTreeWidgetItem)
+ """
+ pathlist = self.__buildTreePath(parentItem)
+ self.openItems.remove(pathlist)
+
+ try:
+ parentItem.collapse()
+ except AttributeError:
+ super(VariablesViewer, self).collapseItem(parentItem)
+
+ def __sectionClicked(self):
+ """
+ Private method handling a click onto a header section.
+ """
+ self.__resort()
+
+ def __resort(self, parent=None):
+ """
+ Private method to resort the tree.
+
+ @param parent reference to a parent item
+ @type QTreeWidgetItem
+ """
+ if self.resortEnabled:
+ if parent is not None:
+ parent.sortChildren(self.sortColumn(),
+ self.header().sortIndicatorOrder())
+ else:
+ self.sortItems(self.sortColumn(),
+ self.header().sortIndicatorOrder())
+
+ def handleResetUI(self):
+ """
+ Public method to reset the VariablesViewer.
+ """
+ self.clear()
+ self.openItems = []
+
+ def __configure(self):
+ """
+ Private method to open the configuration dialog.
+ """
+ e5App().getObject("UserInterface")\
+ .showPreferences("debuggerGeneralPage")
