--- a/src/eric7/Plugins/WizardPlugins/QRegularExpressionWizard/QRegularExpressionWizardCharactersDialog.py Wed Jul 13 11:16:20 2022 +0200
+++ b/src/eric7/Plugins/WizardPlugins/QRegularExpressionWizard/QRegularExpressionWizardCharactersDialog.py Wed Jul 13 14:55:47 2022 +0200
@@ -10,64 +10,82 @@
from PyQt6.QtCore import QRegularExpression
from PyQt6.QtGui import QRegularExpressionValidator
from PyQt6.QtWidgets import (
- QWidget, QDialog, QVBoxLayout, QHBoxLayout, QScrollArea, QPushButton,
- QSpacerItem, QSizePolicy, QComboBox, QLineEdit, QLabel
+ QWidget,
+ QDialog,
+ QVBoxLayout,
+ QHBoxLayout,
+ QScrollArea,
+ QPushButton,
+ QSpacerItem,
+ QSizePolicy,
+ QComboBox,
+ QLineEdit,
+ QLabel,
)
from .Ui_QRegularExpressionWizardCharactersDialog import (
- Ui_QRegularExpressionWizardCharactersDialog
+ Ui_QRegularExpressionWizardCharactersDialog,
)
class QRegularExpressionWizardCharactersDialog(
- QDialog, Ui_QRegularExpressionWizardCharactersDialog):
+ QDialog, Ui_QRegularExpressionWizardCharactersDialog
+):
"""
Class implementing a dialog for entering character classes.
"""
+
def __init__(self, parent=None):
"""
Constructor
-
+
@param parent reference to the parent widget (QWidget)
"""
super().__init__(parent)
self.setupUi(self)
-
+
self.__initCharacterSelectors()
-
+
self.comboItems = []
- self.singleComboItems = [] # these are in addition to the above
+ self.singleComboItems = [] # these are in addition to the above
self.comboItems.append((self.tr("Normal character"), "-c"))
- self.comboItems.append((self.tr(
- "Unicode character in hexadecimal notation"), "-h"))
- self.comboItems.append((self.tr(
- "ASCII/Latin1 character in octal notation"), "-o"))
- self.singleComboItems.extend([
- ("---", "-i"),
- (self.tr("Bell character (\\a)"), "\\a"),
- (self.tr("Escape character (\\e)"), "\\e"),
- (self.tr("Page break (\\f)"), "\\f"),
- (self.tr("Line feed (\\n)"), "\\n"),
- (self.tr("Carriage return (\\r)"), "\\r"),
- (self.tr("Horizontal tabulator (\\t)"), "\\t"),
- ("---", "-i"),
- (self.tr("Character Category"), "-ccp"),
- (self.tr("Special Character Category"), "-csp"),
- (self.tr("Character Block"), "-cbp"),
- (self.tr("POSIX Named Set"), "-psp"),
- (self.tr("Not Character Category"), "-ccn"),
- (self.tr("Not Character Block"), "-cbn"),
- (self.tr("Not Special Character Category"), "-csn"),
- (self.tr("Not POSIX Named Set"), "-psn"),
- ])
-
+ self.comboItems.append(
+ (self.tr("Unicode character in hexadecimal notation"), "-h")
+ )
+ self.comboItems.append(
+ (self.tr("ASCII/Latin1 character in octal notation"), "-o")
+ )
+ self.singleComboItems.extend(
+ [
+ ("---", "-i"),
+ (self.tr("Bell character (\\a)"), "\\a"),
+ (self.tr("Escape character (\\e)"), "\\e"),
+ (self.tr("Page break (\\f)"), "\\f"),
+ (self.tr("Line feed (\\n)"), "\\n"),
+ (self.tr("Carriage return (\\r)"), "\\r"),
+ (self.tr("Horizontal tabulator (\\t)"), "\\t"),
+ ("---", "-i"),
+ (self.tr("Character Category"), "-ccp"),
+ (self.tr("Special Character Category"), "-csp"),
+ (self.tr("Character Block"), "-cbp"),
+ (self.tr("POSIX Named Set"), "-psp"),
+ (self.tr("Not Character Category"), "-ccn"),
+ (self.tr("Not Character Block"), "-cbn"),
+ (self.tr("Not Special Character Category"), "-csn"),
+ (self.tr("Not POSIX Named Set"), "-psn"),
+ ]
+ )
+
self.charValidator = QRegularExpressionValidator(
- QRegularExpression(".{0,1}"), self)
+ QRegularExpression(".{0,1}"), self
+ )
self.hexValidator = QRegularExpressionValidator(
- QRegularExpression("[0-9a-fA-F]{0,4}"), self)
+ QRegularExpression("[0-9a-fA-F]{0,4}"), self
+ )
self.octValidator = QRegularExpressionValidator(
- QRegularExpression("[0-3]?[0-7]{0,2}"), self)
-
+ QRegularExpression("[0-3]?[0-7]{0,2}"), self
+ )
+
# generate dialog part for single characters
self.singlesBoxLayout = QVBoxLayout(self.singlesBox)
self.singlesBoxLayout.setObjectName("singlesBoxLayout")
@@ -77,7 +95,7 @@
self.singlesView = QScrollArea(self.singlesBox)
self.singlesView.setObjectName("singlesView")
self.singlesBoxLayout.addWidget(self.singlesView)
-
+
self.singlesItemsBox = QWidget(self)
self.singlesView.setWidget(self.singlesItemsBox)
self.singlesItemsBox.setObjectName("singlesItemsBox")
@@ -88,21 +106,23 @@
self.singlesItemsBox.setLayout(self.singlesItemsBoxLayout)
self.singlesEntries = []
self.__addSinglesLine()
-
+
hlayout0 = QHBoxLayout()
hlayout0.setContentsMargins(0, 0, 0, 0)
hlayout0.setSpacing(6)
hlayout0.setObjectName("hlayout0")
self.moreSinglesButton = QPushButton(
- self.tr("Additional Entries"), self.singlesBox)
+ self.tr("Additional Entries"), self.singlesBox
+ )
self.moreSinglesButton.setObjectName("moreSinglesButton")
hlayout0.addWidget(self.moreSinglesButton)
hspacer0 = QSpacerItem(
- 30, 20, QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Minimum)
+ 30, 20, QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Minimum
+ )
hlayout0.addItem(hspacer0)
self.singlesBoxLayout.addLayout(hlayout0)
self.moreSinglesButton.clicked.connect(self.__addSinglesLine)
-
+
# generate dialog part for character ranges
self.rangesBoxLayout = QVBoxLayout(self.rangesBox)
self.rangesBoxLayout.setObjectName("rangesBoxLayout")
@@ -112,7 +132,7 @@
self.rangesView = QScrollArea(self.rangesBox)
self.rangesView.setObjectName("rangesView")
self.rangesBoxLayout.addWidget(self.rangesView)
-
+
self.rangesItemsBox = QWidget(self)
self.rangesView.setWidget(self.rangesItemsBox)
self.rangesItemsBox.setObjectName("rangesItemsBox")
@@ -123,21 +143,23 @@
self.rangesItemsBox.setLayout(self.rangesItemsBoxLayout)
self.rangesEntries = []
self.__addRangesLine()
-
+
hlayout1 = QHBoxLayout()
hlayout1.setContentsMargins(0, 0, 0, 0)
hlayout1.setSpacing(6)
hlayout1.setObjectName("hlayout1")
self.moreRangesButton = QPushButton(
- self.tr("Additional Entries"), self.rangesBox)
+ self.tr("Additional Entries"), self.rangesBox
+ )
self.moreSinglesButton.setObjectName("moreRangesButton")
hlayout1.addWidget(self.moreRangesButton)
hspacer1 = QSpacerItem(
- 30, 20, QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Minimum)
+ 30, 20, QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Minimum
+ )
hlayout1.addItem(hspacer1)
self.rangesBoxLayout.addLayout(hlayout1)
self.moreRangesButton.clicked.connect(self.__addRangesLine)
-
+
def __initCharacterSelectors(self):
"""
Private method to initialize the W3C character selector entries.
@@ -183,7 +205,7 @@
(self.tr("Other, Private Use"), "Co"),
(self.tr("Other, Surrogat"), "Cn"),
)
-
+
self.__specialCharacterCategories = (
# display name code
(self.tr("Alphanumeric"), "Xan"),
@@ -192,7 +214,7 @@
(self.tr("Universal Character"), "Xuc"),
(self.tr("Perl Word"), "Xan"),
)
-
+
self.__characterBlocks = (
# display name code
(self.tr("Arabic"), "Arabic"),
@@ -298,7 +320,7 @@
(self.tr("Vai"), "Vai"),
(self.tr("Yi"), "Yi"),
)
-
+
self.__posixNamedSets = (
# display name code
(self.tr("Alphanumeric"), "alnum"),
@@ -316,11 +338,11 @@
(self.tr("Printing (excl. alphanumeric)"), "punct"),
(self.tr("Control Character"), "cntrl"),
)
-
+
def __populateCharTypeCombo(self, combo, isSingle):
"""
Private method to populate a given character type selection combo box.
-
+
@param combo reference to the combo box to be populated (QComboBox)
@param isSingle flag indicating a singles combo (boolean)
"""
@@ -364,18 +386,16 @@
hboxLayout.addWidget(cb2a)
cb2a.hide()
self.singlesItemsBoxLayout.addWidget(hbox)
-
- cb1.activated[int].connect(
- lambda i: self.__singlesCharTypeSelected(i, cb1))
- cb2.activated[int].connect(
- lambda i: self.__singlesCharTypeSelected(i, cb2))
+
+ cb1.activated[int].connect(lambda i: self.__singlesCharTypeSelected(i, cb1))
+ cb2.activated[int].connect(lambda i: self.__singlesCharTypeSelected(i, cb2))
hbox.show()
-
+
self.singlesItemsBox.adjustSize()
-
+
self.singlesEntries.append([cb1, le1, cb1a])
self.singlesEntries.append([cb2, le2, cb2a])
-
+
def __addRangesLine(self):
"""
Private slot to add a line of entry widgets for character ranges.
@@ -400,26 +420,25 @@
le2.setValidator(self.charValidator)
hboxLayout.addWidget(le2)
self.rangesItemsBoxLayout.addWidget(hbox)
-
- cb1.activated[int].connect(
- lambda i: self.__rangesCharTypeSelected(i, cb1))
-
+
+ cb1.activated[int].connect(lambda i: self.__rangesCharTypeSelected(i, cb1))
+
hbox.show()
-
+
self.rangesItemsBox.adjustSize()
-
+
self.rangesEntries.append([cb1, le1, le2])
-
+
def __populateCharacterCombo(self, combo, formatIdentifier):
"""
Private method to populate a character selection combo.
-
+
@param combo combo box to be populated (QComboBox)
@param formatIdentifier format identifier (one of "-ccp", "-ccn",
"-cbp", "-cbn", "-csp", "-csn", "-psp", "-psn")
"""
combo.clear()
-
+
if formatIdentifier in ["-ccp", "-ccn"]:
items = self.__characterCategories
elif formatIdentifier in ["-csp", "-csn"]:
@@ -428,24 +447,24 @@
items = self.__characterBlocks
elif formatIdentifier in ["-psp", "-psn"]:
items = self.__posixNamedSets
-
+
comboLen = 0
for txt, code in items:
combo.addItem(txt, code)
comboLen = max(comboLen, len(txt))
combo.setMinimumContentsLength(comboLen)
-
+
def __performSelectedAction(self, formatIdentifier, lineedit, combo):
"""
Private method performing some actions depending on the input.
-
+
@param formatIdentifier format of the selected entry (string)
@param lineedit line edit widget to act on (QLineEdit)
@param combo combo box widget to act on (QComboBox)
"""
if formatIdentifier == "-i":
return
-
+
if formatIdentifier in ["-c", "-h", "-o"]:
lineedit.show()
lineedit.setEnabled(True)
@@ -457,8 +476,16 @@
lineedit.setValidator(self.hexValidator)
elif formatIdentifier == "-o":
lineedit.setValidator(self.octValidator)
- elif formatIdentifier in ["-ccp", "-ccn", "-cbp", "-cbn", "-csp",
- "-csn", "-psp", "-psn"]:
+ elif formatIdentifier in [
+ "-ccp",
+ "-ccn",
+ "-cbp",
+ "-cbn",
+ "-csp",
+ "-csn",
+ "-psp",
+ "-psn",
+ ]:
lineedit.setEnabled(False)
lineedit.hide()
if combo is not None:
@@ -470,12 +497,12 @@
if combo is not None:
combo.hide()
lineedit.clear()
-
+
def __singlesCharTypeSelected(self, index, combo):
"""
Private slot to handle the activated(int) signal of the single chars
combo boxes.
-
+
@param index selected list index
@type int
@param combo reference to the combo box
@@ -485,14 +512,15 @@
if combo == entriesList[0]:
formatIdentifier = combo.itemData(index)
self.__performSelectedAction(
- formatIdentifier, entriesList[1], entriesList[2])
+ formatIdentifier, entriesList[1], entriesList[2]
+ )
break
-
+
def __rangesCharTypeSelected(self, index, combo):
"""
Private slot to handle the activated(int) signal of the char ranges
combo boxes.
-
+
@param index selected list index
@type int
@param combo reference to the combo box
@@ -501,16 +529,14 @@
for entriesList in self.rangesEntries:
if combo == entriesList[0]:
formatIdentifier = combo.itemData(index)
- self.__performSelectedAction(formatIdentifier, entriesList[1],
- None)
- self.__performSelectedAction(formatIdentifier, entriesList[2],
- None)
+ self.__performSelectedAction(formatIdentifier, entriesList[1], None)
+ self.__performSelectedAction(formatIdentifier, entriesList[2], None)
break
-
+
def __formatCharacter(self, char, formatIdentifier):
"""
Private method to format the characters entered into the dialog.
-
+
@param char character string entered into the dialog (string)
@param formatIdentifier string giving a special format (-c, -h, -i or
-o) or the already formatted character (string)
@@ -520,7 +546,7 @@
return char
elif formatIdentifier == "-i":
return ""
-
+
if formatIdentifier == "-h":
while len(char) < 2:
char = "0" + char
@@ -544,19 +570,19 @@
return "[:^{0}:]".format(char)
else:
return formatIdentifier
-
+
def getCharacters(self):
"""
Public method to return the character string assembled via the dialog.
-
+
@return formatted string for character classes (string)
"""
regexp = ""
-
+
# negative character range
if self.negativeCheckBox.isChecked():
regexp += "^"
-
+
# predefined character ranges
if self.wordCharCheckBox.isChecked():
regexp += "\\w"
@@ -582,41 +608,36 @@
regexp += "\\v"
if self.nonVerticalWhitespaceCheckBox.isChecked():
regexp += "\\V"
-
+
# single characters
for entrieslist in self.singlesEntries:
- formatIdentifier = entrieslist[0].itemData(
- entrieslist[0].currentIndex())
+ formatIdentifier = entrieslist[0].itemData(entrieslist[0].currentIndex())
char = (
entrieslist[2].itemData(entrieslist[2].currentIndex())
- if formatIdentifier in ["-ccp", "-ccn", "-cbp", "-cbn", "-csp",
- "-csn", "-psp", "-psn"] else
- entrieslist[1].text()
+ if formatIdentifier
+ in ["-ccp", "-ccn", "-cbp", "-cbn", "-csp", "-csn", "-psp", "-psn"]
+ else entrieslist[1].text()
)
regexp += self.__formatCharacter(char, formatIdentifier)
-
+
# character ranges
for entrieslist in self.rangesEntries:
- if (
- not entrieslist[1].text() or
- not entrieslist[2].text()
- ):
+ if not entrieslist[1].text() or not entrieslist[2].text():
continue
- formatIdentifier = entrieslist[0].itemData(
- entrieslist[0].currentIndex())
+ formatIdentifier = entrieslist[0].itemData(entrieslist[0].currentIndex())
char1 = entrieslist[1].text()
char2 = entrieslist[2].text()
regexp += "{0}-{1}".format(
self.__formatCharacter(char1, formatIdentifier),
- self.__formatCharacter(char2, formatIdentifier))
-
+ self.__formatCharacter(char2, formatIdentifier),
+ )
+
if regexp:
if (
- (regexp.startswith("\\") and
- regexp.count("\\") == 1 and
- "-" not in regexp) or
- len(regexp) == 1
- ):
+ regexp.startswith("\\")
+ and regexp.count("\\") == 1
+ and "-" not in regexp
+ ) or len(regexp) == 1:
return regexp
else:
return "[{0}]".format(regexp)
