def __init__(self, parent):
"""
Initializes the find & replace form
"""
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_FindReplaceForm()
self.ui.setupUi(self)
self.ui.errorLabel.setText("")
self.ui.textToFind.textChanged.connect(self.text_to_find_changed)
self.ui.textToFind.textChanged.connect(self.validate_regexp)
self.ui.regexCheckBox.toggled.connect(self.regexp_selected)
self.ui.findButton.clicked.connect(self.find)
self.ui.closeButton.clicked.connect(parent.close)
self.ui.replaceButton.clicked.connect(self.replace)
self.ui.replaceAllButton.clicked.connect(self.replace_all)
self.textedit = None
self.regexp = QtCore.QRegExp()
self.textcursor = None
class FindReplaceForm(QtGui.QWidget):
def __init__(self, parent):
"""
Initializes the find & replace form
"""
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_FindReplaceForm()
self.ui.setupUi(self)
self.ui.errorLabel.setText("")
self.ui.textToFind.textChanged.connect(self.text_to_find_changed)
self.ui.textToFind.textChanged.connect(self.validate_regexp)
self.ui.regexCheckBox.toggled.connect(self.regexp_selected)
self.ui.findButton.clicked.connect(self.find)
self.ui.closeButton.clicked.connect(parent.close)
self.ui.replaceButton.clicked.connect(self.replace)
self.ui.replaceAllButton.clicked.connect(self.replace_all)
self.textedit = None
self.regexp = QtCore.QRegExp()
self.textcursor = None
def hide_replace_widgets(self):
"""
Hide widgets used to replace
"""
self.ui.replaceLabel.setVisible(False)
self.ui.textToReplace.setVisible(False)
self.ui.replaceButton.setVisible(False)
self.ui.replaceAllButton.setVisible(False)
def set_text_edit(self, textedit):
"""
Set the text edit and enable the buttons
...
Parameters
----------
textedit : str
"""
self.textedit = textedit
self.textedit.copyAvailable.connect(self.ui.replaceButton.setEnabled)
self.textedit.copyAvailable.connect(
self.ui.replaceAllButton.setEnabled)
self.textcursor = self.textedit.textCursor()
def changeEvent(self, event):
"""
If the language has changed retranlate the UI accordingly
...
Parameters
----------
event : QEvent
"""
QtGui.QWidget.changeEvent(self, event)
if event.type() == QtCore.QEvent.LanguageChange:
self.ui.retranslateUi(self)
def text_to_find_changed(self, _):
"""
Enable the find button if text to find is not null
"""
self.ui.findButton.setEnabled(self.ui.textToFind.size() > 0)
def regexp_selected(self, sel):
"""
Validate regexp
...
Parameters
----------
sel : bool
"""
if sel:
self.validate_regexp(self.ui.textToFind.text())
else:
self.validate_regexp("")
def validate_regexp(self, regexp):
"""
Check if regexp is valid
...
Parameters
----------
regexp : str
"""
if (not self.ui.regexCheckBox.isChecked()) or regexp.size() == 0:
self.ui.errorLabel.setText("")
self.regexp = QtCore.QRegExp(regexp,
QtCore.Qt.CaseSensitive
if self.ui.caseCheckBox.isChecked() else QtCore.Qt.CaseInsensitive)
if self.regexp.isValid():
self.show_error("")
else:
self.show_error(unicode(regexp.errorString()))
def show_error(self, error):
"""
Diplay error message
...
Parameters
----------
error : str
"""
if (error == ""):
self.ui.errorLabel.setText("")
else:
self.ui.errorLabel.setText("<span style=\"font-weight:600; color:#ff0000;\">{0}</span>".format(error))
def show_message(self, message):
"""
Display message
...
Parameters
----------
message : str
"""
if (message == ""):
self.ui.errorLabel.setText("")
else:
self.ui.errorLabel.setText("<span style=\"font-weight:600; color:green;\">{0}</span>".format(message))
def find(self, next = None):
"""
Search / find text
...
Parameters
----------
next : None
"""
if not self.textedit:
return
if not next:
next = self.ui.downRadioButton.isChecked()
back = not next
toSearch = self.ui.textToFind.text()
result = False
flags = QtGui.QTextDocument.FindFlags()
if (back):
flags |= QtGui.QTextDocument.FindBackward
if self.ui.caseCheckBox.isChecked():
flags |= QtGui.QTextDocument.FindCaseSensitively
if self.ui.wholeCheckBox.isChecked():
flags |= QtGui.QTextDocument.FindWholeWords
if self.ui.regexCheckBox.isChecked():
self.regexp = QtCore.QRegExp(toSearch,
QtCore.Qt.CaseSensitive
if self.ui.caseCheckBox.isChecked()
else QtCore.Qt.CaseInsensitive)
self.textcursor = self.textedit.document().find(regexp, self.textcursor, flags)
self.textedit.setTextCursor(self.textcursor)
result = not self.textcursor.isNull()
else:
result = self.textedit.find(toSearch, flags)
if result:
self.show_error("")
else:
self.show_error(self.tr("no text found"))
self.textcursor.setPosition(0)
self.textedit.setTextCursor(self.textcursor)
def replace(self):
"""
Replaces text
"""
if not self.textedit.textCursor().hasSelection():
self.find()
else:
self.textedit.textCursor().insertText(self.ui.textToReplace.text())
self.find()
def replace_all(self):
"""
Replaces all the given text
"""
i = 0
while self.textedit.textCursor().hasSelection():
self.textedit.textCursor().insertText(self.ui.textToReplace.text())
self.find()
i += 1
self.show_message(unicode(self.tr("Replaced {0} occurrence(s)")).format(i))
