--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/eric7/Plugins/VcsPlugins/vcsGit/GitStashBrowserDialog.py Sat May 15 18:45:04 2021 +0200 @@ -0,0 +1,506 @@ +# -*- coding: utf-8 -*- + +# Copyright (c) 2014 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> +# + +""" +Module implementing a dialog to show the stashes. +""" + +import os + +from PyQt5.QtCore import pyqtSlot, Qt, QPoint, QProcess, QTimer +from PyQt5.QtWidgets import ( + QWidget, QDialogButtonBox, QTreeWidgetItem, QAbstractButton, QMenu, + QHeaderView, QApplication, QLineEdit +) + +from E5Gui import E5MessageBox +from E5Gui.E5OverrideCursor import E5OverrideCursorProcess + +from .Ui_GitStashBrowserDialog import Ui_GitStashBrowserDialog + +import Preferences +from Globals import strToQByteArray + + +class GitStashBrowserDialog(QWidget, Ui_GitStashBrowserDialog): + """ + Class implementing a dialog to show the stashes. + """ + NameColumn = 0 + DateColumn = 1 + MessageColumn = 2 + + Separator = "@@||@@" + + TotalStatisticsRole = Qt.ItemDataRole.UserRole + FileStatisticsRole = Qt.ItemDataRole.UserRole + 1 + + def __init__(self, vcs, parent=None): + """ + Constructor + + @param vcs reference to the vcs object + @param parent reference to the parent widget (QWidget) + """ + super().__init__(parent) + self.setupUi(self) + + self.buttonBox.button( + QDialogButtonBox.StandardButton.Close).setEnabled(False) + self.buttonBox.button( + QDialogButtonBox.StandardButton.Cancel).setDefault(True) + + self.__position = QPoint() + + self.__fileStatisticsRole = Qt.ItemDataRole.UserRole + self.__totalStatisticsRole = Qt.ItemDataRole.UserRole + 1 + + self.stashList.header().setSortIndicator( + 0, Qt.SortOrder.AscendingOrder) + + self.refreshButton = self.buttonBox.addButton( + self.tr("&Refresh"), QDialogButtonBox.ButtonRole.ActionRole) + self.refreshButton.setToolTip( + self.tr("Press to refresh the list of stashes")) + self.refreshButton.setEnabled(False) + + self.vcs = vcs + self.__resetUI() + + self.__ioEncoding = Preferences.getSystem("IOEncoding") + + self.__process = E5OverrideCursorProcess() + self.__process.finished.connect(self.__procFinished) + self.__process.readyReadStandardOutput.connect(self.__readStdout) + self.__process.readyReadStandardError.connect(self.__readStderr) + + self.__contextMenu = QMenu() + self.__differencesAct = self.__contextMenu.addAction( + self.tr("Show"), self.__showPatch) + self.__contextMenu.addSeparator() + self.__applyAct = self.__contextMenu.addAction( + self.tr("Restore && Keep"), self.__apply) + self.__popAct = self.__contextMenu.addAction( + self.tr("Restore && Delete"), self.__pop) + self.__contextMenu.addSeparator() + self.__branchAct = self.__contextMenu.addAction( + self.tr("Create Branch"), self.__branch) + self.__contextMenu.addSeparator() + self.__dropAct = self.__contextMenu.addAction( + self.tr("Delete"), self.__drop) + self.__clearAct = self.__contextMenu.addAction( + self.tr("Delete All"), self.__clear) + + def closeEvent(self, e): + """ + Protected slot implementing a close event handler. + + @param e close event (QCloseEvent) + """ + 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.__position = self.pos() + + e.accept() + + def show(self): + """ + Public slot to show the dialog. + """ + if not self.__position.isNull(): + self.move(self.__position) + self.__resetUI() + + super().show() + + def __resetUI(self): + """ + Private method to reset the user interface. + """ + self.stashList.clear() + + def __resizeColumnsStashes(self): + """ + Private method to resize the shelve list columns. + """ + self.stashList.header().resizeSections( + QHeaderView.ResizeMode.ResizeToContents) + self.stashList.header().setStretchLastSection(True) + + def __generateStashEntry(self, name, date, message): + """ + Private method to generate the stash items. + + @param name name of the stash (string) + @param date date the stash was created (string) + @param message stash message (string) + """ + QTreeWidgetItem(self.stashList, [name, date, message]) + + def __getStashEntries(self): + """ + Private method to retrieve the list of stashes. + """ + self.buttonBox.button( + QDialogButtonBox.StandardButton.Close).setEnabled(False) + self.buttonBox.button( + QDialogButtonBox.StandardButton.Cancel).setEnabled(True) + self.buttonBox.button( + QDialogButtonBox.StandardButton.Cancel).setDefault(True) + + self.inputGroup.setEnabled(True) + self.inputGroup.show() + self.refreshButton.setEnabled(False) + + self.buf = [] + self.errors.clear() + self.intercept = False + + args = self.vcs.initCommand("stash") + args.append("list") + args.append("--format=format:%gd{0}%ai{0}%gs%n".format(self.Separator)) + + self.__process.kill() + + self.__process.setWorkingDirectory(self.repodir) + + self.inputGroup.setEnabled(True) + self.inputGroup.show() + + self.__process.start('git', 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('git')) + + def start(self, projectDir): + """ + Public slot to start the git stash command. + + @param projectDir name of the project directory (string) + """ + self.errorGroup.hide() + QApplication.processEvents() + + self.__projectDir = projectDir + + # find the root of the repo + self.repodir = self.__projectDir + while not os.path.isdir(os.path.join(self.repodir, self.vcs.adminDir)): + self.repodir = os.path.dirname(self.repodir) + if os.path.splitdrive(self.repodir)[1] == os.sep: + return + + self.activateWindow() + self.raise_() + + self.stashList.clear() + self.__started = True + self.__getStashEntries() + + 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.__processBuffer() + self.__finish() + + 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() + self.refreshButton.setEnabled(True) + + def __processBuffer(self): + """ + Private method to process the buffered output of the git stash command. + """ + for line in self.buf: + name, date, message = line.split(self.Separator) + date = date.strip().rsplit(":", 1)[0] + self.__generateStashEntry(name, date, message.strip()) + + self.__resizeColumnsStashes() + + if self.__started: + self.stashList.setCurrentItem(self.stashList.topLevelItem(0)) + self.__started = False + + def __readStdout(self): + """ + Private slot to handle the readyReadStandardOutput signal. + + It reads the output of the process and inserts it into a buffer. + """ + self.__process.setReadChannel(QProcess.ProcessChannel.StandardOutput) + + while self.__process.canReadLine(): + line = str(self.__process.readLine(), self.__ioEncoding, + 'replace').strip() + if line: + self.buf.append(line) + + 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: + s = str(self.__process.readAllStandardError(), + self.__ioEncoding, 'replace') + self.errorGroup.show() + self.errors.insertPlainText(s) + self.errors.ensureCursorVisible() + + @pyqtSlot(QAbstractButton) + 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.cancelled = True + self.__finish() + elif button == self.refreshButton: + self.on_refreshButton_clicked() + + @pyqtSlot(QTreeWidgetItem, QTreeWidgetItem) + def on_stashList_currentItemChanged(self, current, previous): + """ + Private slot called, when the current item of the stash list changes. + + @param current reference to the new current item (QTreeWidgetItem) + @param previous reference to the old current item (QTreeWidgetItem) + """ + self.statisticsList.clear() + self.filesLabel.setText("") + self.insertionsLabel.setText("") + self.deletionsLabel.setText("") + + if current: + if current.data(0, self.TotalStatisticsRole) is None: + args = self.vcs.initCommand("stash") + args.append("show") + args.append('--numstat') + args.append(current.text(self.NameColumn)) + + output = "" + process = QProcess() + process.setWorkingDirectory(self.repodir) + process.start('git', args) + procStarted = process.waitForStarted(5000) + if procStarted: + finished = process.waitForFinished(30000) + if finished and process.exitCode() == 0: + output = str(process.readAllStandardOutput(), + Preferences.getSystem("IOEncoding"), + 'replace') + + if output: + totals = {"files": 0, "additions": 0, "deletions": 0} + fileData = [] + for line in output.splitlines(): + additions, deletions, name = ( + line.strip().split(None, 2) + ) + totals["files"] += 1 + if additions != "-": + totals["additions"] += int(additions) + if deletions != "-": + totals["deletions"] += int(deletions) + fileData.append({ + "file": name, + "total": ("-" if additions == "-" else + str(int(additions) + int(deletions))), + "added": additions, + "deleted": deletions + }) + current.setData(0, self.TotalStatisticsRole, totals) + current.setData(0, self.FileStatisticsRole, fileData) + else: + return + + for dataDict in current.data(0, self.FileStatisticsRole): + QTreeWidgetItem(self.statisticsList, [ + dataDict["file"], dataDict["total"], + dataDict["added"], dataDict["deleted"]]) + self.statisticsList.header().resizeSections( + QHeaderView.ResizeMode.ResizeToContents) + self.statisticsList.header().setStretchLastSection(True) + + totals = current.data(0, self.TotalStatisticsRole) + self.filesLabel.setText( + self.tr("%n file(s) changed", None, totals["files"])) + self.insertionsLabel.setText( + self.tr("%n line(s) inserted", None, int(totals["additions"]))) + self.deletionsLabel.setText( + self.tr("%n line(s) deleted", None, int(totals["deletions"]))) + + @pyqtSlot(QPoint) + def on_stashList_customContextMenuRequested(self, pos): + """ + Private slot to show the context menu of the stash list. + + @param pos position of the mouse pointer (QPoint) + """ + enable = len(self.stashList.selectedItems()) == 1 + self.__differencesAct.setEnabled(enable) + self.__applyAct.setEnabled(enable) + self.__popAct.setEnabled(enable) + self.__branchAct.setEnabled(enable) + self.__dropAct.setEnabled(enable) + self.__clearAct.setEnabled(self.stashList.topLevelItemCount() > 0) + + self.__contextMenu.popup(self.mapToGlobal(pos)) + + @pyqtSlot() + def on_refreshButton_clicked(self): + """ + Private slot to refresh the list of shelves. + """ + self.start(self.__projectDir) + + @pyqtSlot() + def on_sendButton_clicked(self): + """ + Private slot to send the input to the git 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.errorGroup.show() + + self.__process.write(strToQByteArray(inputTxt)) + + self.passwordCheckBox.setChecked(False) + self.input.clear() + + @pyqtSlot() + 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() + + @pyqtSlot(bool) + def on_passwordCheckBox_toggled(self, checked): + """ + Private slot to handle the password checkbox toggled. + + @param checked flag indicating the status of the check box (boolean) + """ + if checked: + self.input.setEchoMode(QLineEdit.EchoMode.Password) + else: + self.input.setEchoMode(QLineEdit.EchoMode.Normal) + + 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) + + def __showPatch(self): + """ + Private slot to show the contents of the selected stash. + """ + stashName = self.stashList.selectedItems()[0].text(self.NameColumn) + self.vcs.gitStashShowPatch(self.__projectDir, stashName) + + def __apply(self): + """ + Private slot to apply the selected stash but keep it. + """ + stashName = self.stashList.selectedItems()[0].text(self.NameColumn) + self.vcs.gitStashApply(self.__projectDir, stashName) + + def __pop(self): + """ + Private slot to apply the selected stash and delete it. + """ + stashName = self.stashList.selectedItems()[0].text(self.NameColumn) + self.vcs.gitStashPop(self.__projectDir, stashName) + self.on_refreshButton_clicked() + + def __branch(self): + """ + Private slot to create a branch from the selected stash. + """ + stashName = self.stashList.selectedItems()[0].text(self.NameColumn) + self.vcs.gitStashBranch(self.__projectDir, stashName) + self.on_refreshButton_clicked() + + def __drop(self): + """ + Private slot to delete the selected stash. + """ + stashName = self.stashList.selectedItems()[0].text(self.NameColumn) + res = self.vcs.gitStashDrop(self.__projectDir, stashName) + if res: + self.on_refreshButton_clicked() + + def __clear(self): + """ + Private slot to delete all stashes. + """ + res = self.vcs.gitStashClear(self.__projectDir) + if res: + self.on_refreshButton_clicked()