--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/eric7/Plugins/VcsPlugins/vcsSubversion/SvnChangeListsDialog.py Sat May 15 18:45:04 2021 +0200 @@ -0,0 +1,290 @@ +# -*- coding: utf-8 -*- + +# Copyright (c) 2012 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> +# + +""" +Module implementing a dialog to browse the change lists. +""" + +import re +import os + +from PyQt5.QtCore import pyqtSlot, Qt, QProcess, QTimer +from PyQt5.QtWidgets import ( + QDialog, QDialogButtonBox, QListWidgetItem, QLineEdit +) + +from E5Gui import E5MessageBox + +from .Ui_SvnChangeListsDialog import Ui_SvnChangeListsDialog + +import Preferences +from Globals import strToQByteArray + + +class SvnChangeListsDialog(QDialog, Ui_SvnChangeListsDialog): + """ + Class implementing a dialog to browse the change lists. + """ + def __init__(self, vcs, parent=None): + """ + Constructor + + @param vcs reference to the vcs object + @param parent parent widget (QWidget) + """ + super().__init__(parent) + self.setupUi(self) + self.setWindowFlags(Qt.WindowType.Window) + + self.buttonBox.button( + QDialogButtonBox.StandardButton.Close).setEnabled(False) + self.buttonBox.button( + QDialogButtonBox.StandardButton.Cancel).setDefault(True) + + self.vcs = vcs + + self.process = QProcess() + self.process.finished.connect(self.__procFinished) + self.process.readyReadStandardOutput.connect(self.__readStdout) + self.process.readyReadStandardError.connect(self.__readStderr) + + self.rx_status = re.compile( + '(.{8,9})\\s+([0-9-]+)\\s+([0-9?]+)\\s+(\\S+)\\s+(.+)\\s*') + # flags (8 or 9 anything), revision, changed rev, author, path + self.rx_status2 = re.compile('(.{8,9})\\s+(.+)\\s*') + # flags (8 or 9 anything), path + self.rx_changelist = re.compile('--- \\S+ .([\\w\\s]+).:\\s+') + # three dashes, Changelist (translated), quote, + # changelist name, quote, : + + @pyqtSlot(QListWidgetItem, QListWidgetItem) + def on_changeLists_currentItemChanged(self, current, previous): + """ + Private slot to handle the selection of a new item. + + @param current current item (QListWidgetItem) + @param previous previous current item (QListWidgetItem) + """ + self.filesList.clear() + if current is not None: + changelist = current.text() + if changelist in self.changeListsDict: + self.filesList.addItems( + sorted(self.changeListsDict[changelist])) + + def start(self, path): + """ + Public slot to populate the data. + + @param path directory name to show change lists for (string) + """ + self.changeListsDict = {} + + self.filesLabel.setText( + self.tr("Files (relative to {0}):").format(path)) + + self.errorGroup.hide() + self.intercept = False + + self.path = path + self.currentChangelist = "" + + args = [] + args.append('status') + self.vcs.addArguments(args, self.vcs.options['global']) + self.vcs.addArguments(args, self.vcs.options['status']) + if ( + '--verbose' not in self.vcs.options['global'] and + '--verbose' not in self.vcs.options['status'] + ): + args.append('--verbose') + if isinstance(path, list): + self.dname, fnames = self.vcs.splitPathList(path) + self.vcs.addArguments(args, fnames) + else: + self.dname, fname = self.vcs.splitPath(path) + args.append(fname) + + self.process.setWorkingDirectory(self.dname) + + self.process.start('svn', args) + procStarted = self.process.waitForStarted(5000) + if not procStarted: + self.inputGroup.setEnabled(False) + self.inputGroup.hide() + E5MessageBox.critical( + self, + self.tr('Process Generation Error'), + self.tr( + 'The process {0} could not be started. ' + 'Ensure, that it is in the search path.' + ).format('svn')) + else: + self.inputGroup.setEnabled(True) + self.inputGroup.show() + + def __finish(self): + """ + Private slot called when the process finished or the user pressed + the button. + """ + if ( + self.process is not None and + self.process.state() != QProcess.ProcessState.NotRunning + ): + self.process.terminate() + QTimer.singleShot(2000, self.process.kill) + self.process.waitForFinished(3000) + + self.buttonBox.button( + QDialogButtonBox.StandardButton.Close).setEnabled(True) + self.buttonBox.button( + QDialogButtonBox.StandardButton.Cancel).setEnabled(False) + self.buttonBox.button( + QDialogButtonBox.StandardButton.Close).setDefault(True) + + self.inputGroup.setEnabled(False) + self.inputGroup.hide() + + if len(self.changeListsDict) == 0: + self.changeLists.addItem(self.tr("No changelists found")) + self.buttonBox.button( + QDialogButtonBox.StandardButton.Close).setFocus( + Qt.FocusReason.OtherFocusReason) + else: + self.changeLists.addItems(sorted(self.changeListsDict.keys())) + self.changeLists.setCurrentRow(0) + self.changeLists.setFocus(Qt.FocusReason.OtherFocusReason) + + def on_buttonBox_clicked(self, button): + """ + Private slot called by a button of the button box clicked. + + @param button button that was clicked (QAbstractButton) + """ + if button == self.buttonBox.button( + QDialogButtonBox.StandardButton.Close + ): + self.close() + elif button == self.buttonBox.button( + QDialogButtonBox.StandardButton.Cancel + ): + self.__finish() + + def __procFinished(self, exitCode, exitStatus): + """ + Private slot connected to the finished signal. + + @param exitCode exit code of the process (integer) + @param exitStatus exit status of the process (QProcess.ExitStatus) + """ + self.__finish() + + def __readStdout(self): + """ + Private slot to handle the readyReadStandardOutput signal. + + It reads the output of the process, formats it and inserts it into + the contents pane. + """ + if self.process is not None: + self.process.setReadChannel(QProcess.ProcessChannel.StandardOutput) + + while self.process.canReadLine(): + s = str(self.process.readLine(), + Preferences.getSystem("IOEncoding"), + 'replace') + match = ( + self.rx_status.fullmatch(s) or + self.rx_status2.fullmatch(s) + ) + if self.currentChangelist != "" and match is not None: + if match.re is self.rx_status: + file = match.group(5).strip() + filename = file.replace(self.path + os.sep, "") + if filename not in self.changeListsDict[ + self.currentChangelist + ]: + self.changeListsDict[ + self.currentChangelist].append(filename) + else: + file = match.group(2).strip() + filename = file.replace(self.path + os.sep, "") + if filename not in self.changeListsDict[ + self.currentChangelist + ]: + self.changeListsDict[ + self.currentChangelist].append(filename) + else: + match = self.rx_changelist.fullmatch(s) + if match is not None: + self.currentChangelist = match.group(1) + if self.currentChangelist not in self.changeListsDict: + self.changeListsDict[self.currentChangelist] = [] + + def __readStderr(self): + """ + Private slot to handle the readyReadStandardError signal. + + It reads the error output of the process and inserts it into the + error pane. + """ + if self.process is not None: + self.errorGroup.show() + s = str(self.process.readAllStandardError(), + Preferences.getSystem("IOEncoding"), + 'replace') + self.errors.insertPlainText(s) + self.errors.ensureCursorVisible() + + def on_passwordCheckBox_toggled(self, isOn): + """ + Private slot to handle the password checkbox toggled. + + @param isOn flag indicating the status of the check box (boolean) + """ + if isOn: + self.input.setEchoMode(QLineEdit.EchoMode.Password) + else: + self.input.setEchoMode(QLineEdit.EchoMode.Normal) + + @pyqtSlot() + def on_sendButton_clicked(self): + """ + Private slot to send the input to the subversion process. + """ + inputTxt = self.input.text() + inputTxt += os.linesep + + if self.passwordCheckBox.isChecked(): + self.errors.insertPlainText(os.linesep) + self.errors.ensureCursorVisible() + else: + self.errors.insertPlainText(inputTxt) + self.errors.ensureCursorVisible() + + self.process.write(strToQByteArray(inputTxt)) + + self.passwordCheckBox.setChecked(False) + self.input.clear() + + def on_input_returnPressed(self): + """ + Private slot to handle the press of the return key in the input field. + """ + self.intercept = True + self.on_sendButton_clicked() + + def keyPressEvent(self, evt): + """ + Protected slot to handle a key press event. + + @param evt the key press event (QKeyEvent) + """ + if self.intercept: + self.intercept = False + evt.accept() + return + super().keyPressEvent(evt)