class FindReplace(QWidget):
"""
Find replace widget bar
"""
NbReplaced = pyqtSignal(int)
def __init__(self, parent=None):
"""
This class provides an graphical interface to find and replace text
@param parent:
@type parent:
"""
QWidget.__init__(self, parent)
self.editor = None
self.styleEdit = {
False: "background-color:rgb(255, 175, 90);",
True: ""
}
self.createButton()
self.createWidgets()
self.createConnections()
def showEnhanced(self, textSelected=''):
"""
Show enhanced (focus and text selected)
"""
self.show()
if len(textSelected): self.edit.setEditText(textSelected)
self.edit.setFocus()
self.edit.lineEdit().selectAll()
def createButton(self):
"""
create qt buttons
Buttons defined:
* Previous
* Next
* Replace
"""
self.previousButton = QtHelper.createButton(
self,
text=self.tr("Find Previous"),
triggered=self.findPrevious,
icon=QIcon(":/find_previous.png"))
self.nextButton = QtHelper.createButton(self,
text=self.tr("Find Next"),
triggered=self.findNext,
icon=QIcon(":/find_next.png"))
self.replaceButton = QtHelper.createButton(self,
text=self.tr("Replace..."),
triggered=self.replaceFind,
icon=QIcon(":/replace.png"))
def createWidgets(self):
"""
QtWidgets creation
QHBoxLayout
-------------------------------------------.....
| QLabel: QLineEdit QButton QButton QCheckBox |
-------------------------------------------.....
....--------------------------------------
QLabel: QLineEdit QButton QCheckBox |
....--------------------------------------
"""
glayout = QGridLayout()
self.edit = QLineEditMore(parent=self)
self.edit.setEditable(1)
self.edit.setMaxCount(10)
self.edit.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
self.edit.lineEdit().setPlaceholderText("Search text in your test?")
self.edit.setMinimumWidth(200)
self.replaceEdit = QComboBox(self)
self.replaceEdit.setEditable(1)
self.replaceEdit.setMaxCount(10)
self.replaceEdit.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Fixed)
self.replaceEdit.lineEdit().setPlaceholderText(
"Replace the text with?")
self.replaceEdit.setMinimumWidth(200)
self.caseCheck = QCheckBox(self.tr("Case Sensitive"))
self.caseCheck.setChecked(
QtHelper.str2bool(Settings.instance().readValue(
key='Editor/find-case-sensitive')))
self.caseWordCheck = QCheckBox(self.tr("Whole word only"))
self.caseWordCheck.setChecked(
QtHelper.str2bool(
Settings.instance().readValue(key='Editor/find-whole-word')))
self.allCheck = QCheckBox(self.tr("All occurences"))
self.allCheck.setChecked(
QtHelper.str2bool(
Settings.instance().readValue(key='Editor/replace-all')))
self.caseRegexpCheck = QCheckBox(self.tr("Regular expression"))
self.caseRegexpCheck.setChecked(
QtHelper.str2bool(
Settings.instance().readValue(key='Editor/find-regexp')))
self.caseWrapCheck = QCheckBox(self.tr("Wrap at the end"))
self.caseWrapCheck.setChecked(
QtHelper.str2bool(
Settings.instance().readValue(key='Editor/find-wrap')))
glayout.addWidget(self.edit, 0, 1)
glayout.addWidget(self.nextButton, 0, 3)
glayout.addWidget(self.previousButton, 0, 2)
glayout.addWidget(self.caseCheck, 2, 2)
glayout.addWidget(self.caseWrapCheck, 2, 3)
glayout.addWidget(self.caseWordCheck, 3, 2)
glayout.addWidget(self.caseRegexpCheck, 3, 3)
glayout.addWidget(self.replaceEdit, 1, 1)
glayout.addWidget(self.replaceButton, 1, 2)
glayout.addWidget(self.allCheck, 1, 3)
self.previousButton.setDisabled(True)
self.nextButton.setDisabled(True)
self.setLayout(glayout)
flags = Qt.WindowFlags()
flags |= Qt.Window
flags |= Qt.WindowTitleHint
flags |= Qt.WindowCloseButtonHint
flags |= Qt.MSWindowsFixedSizeDialogHint
self.setWindowFlags(flags)
self.setWindowIcon(QIcon(":/main.png"))
self.setWindowTitle("Find And Replace")
def createConnections(self):
"""
create qt connection
"""
self.edit.editTextChanged.connect(self.textHasChanged)
self.edit.EnterPressed.connect(self.returnPressed)
self.caseCheck.stateChanged.connect(self.find)
def returnPressed(self):
"""
Return key pressed
Find next in this case
"""
self.findNext()
def setEditor(self, editor):
"""
Set the target to find the text
@param editor:
@type editor:
"""
self.editor = editor
def textHasChanged(self, txt):
"""
Find text has changed
"""
text = self.edit.currentText()
if len(text) > 0:
self.previousButton.setEnabled(True)
self.nextButton.setEnabled(True)
self.find(changed=True, forward=True)
else:
self.previousButton.setDisabled(True)
self.nextButton.setDisabled(True)
def updateComboBox(self):
"""
Update combobox
"""
comboUpdated = False
for i in range(self.edit.count()):
if self.edit.itemText(i) == self.edit.currentText():
comboUpdated = True
if not comboUpdated:
self.edit.addItem(self.edit.currentText())
comboUpdated = False
for i in range(self.replaceEdit.count()):
if self.replaceEdit.itemText(i) == self.replaceEdit.currentText():
comboUpdated = True
if not comboUpdated:
self.replaceEdit.addItem(self.replaceEdit.currentText())
def clearText(self):
"""
Clear all QlineEdit
"""
self.edit.setStyleSheet("")
self.edit.clearEditText()
self.replaceEdit.clearEditText()
def findPrevious(self):
"""
Find previous occurence
"""
# update combobox
self.updateComboBox()
# find previous
self.find(changed=False, forward=False)
def findNext(self, line=-1, index=-1):
"""
Find next occurence
"""
# update combobox
self.updateComboBox()
return self.find(changed=False, forward=True, line=line, index=index)
def find(self, changed=True, forward=True, line=-1, index=-1):
"""
Call the find function
@param changed:
@type changed: boolean
@param forward:
@type forward: boolean
"""
text = self.edit.currentText()
if len(text) == 0:
self.edit.setStyleSheet("")
return None
else:
found = self.editor.findText(
text,
changed,
forward,
case=self.caseCheck.isChecked(),
words=self.caseWordCheck.isChecked(),
regexp=self.caseRegexpCheck.isChecked(),
wraps=self.caseWrapCheck.isChecked(),
line=line,
index=index)
self.edit.setStyleSheet(self.styleEdit[found])
return found
def replaceFind(self):
"""
Replace and find
"""
if (self.editor is None): return
replaceText = self.replaceEdit.currentText()
searchText = self.edit.currentText()
if not self.caseCheck.isChecked(): searchText = searchText.lower()
current = -1
nbReplaced = 0
# find the first occurence from the beginning of the doc or not
if not self.allCheck.isChecked():
detected = self.findNext()
else:
detected = self.findNext(line=0, index=0)
(line, _) = self.editor.getCursorPosition()
while detected:
previous = current
selectedText = self.editor.selectedText()
# normalize the text in lower case if the case sensitive is not activated
if not self.caseCheck.isChecked():
selectedText = selectedText.lower()
# replace the selection
if self.editor.hasSelectedText() and selectedText == searchText:
self.editor.replace(replaceText)
nbReplaced += 1
# find the next occurence of the word
detected = self.findNext()
(current, _) = self.editor.getCursorPosition()
# all doc readed ? break the loop
if previous > current: break
if current == line and previous != -1: break
# just execute one replace
if not self.allCheck.isChecked(): break
self.allCheck.setCheckState(Qt.Unchecked)
self.NbReplaced.emit(nbReplaced)
