--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Plugins/VcsPlugins/vcsSubversion/SvnBlameDialog.py Mon Dec 28 16:03:33 2009 +0000 @@ -0,0 +1,250 @@ +# -*- coding: utf-8 -*- + +# Copyright (c) 2003 - 2009 Detlev Offenbach <detlev@die-offenbachs.de> +# + +""" +Module implementing a dialog to show the output of the svn blame command. +""" + +import sys + +from PyQt4.QtCore import * +from PyQt4.QtGui import * + +from Ui_SvnBlameDialog import Ui_SvnBlameDialog + +import Preferences +import Utilities + +class SvnBlameDialog(QDialog, Ui_SvnBlameDialog): + """ + Class implementing a dialog to show the output of the svn blame command. + """ + def __init__(self, vcs, parent = None): + """ + Constructor + + @param vcs reference to the vcs object + @param parent parent widget (QWidget) + """ + QDialog.__init__(self, parent) + self.setupUi(self) + + self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False) + self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True) + + self.process = QProcess() + self.vcs = vcs + + self.blameList.headerItem().setText(self.blameList.columnCount(), "") + font = QFont(self.blameList.font()) + if Utilities.isWindowsPlatform(): + font.setFamily("Lucida Console") + else: + font.setFamily("Monospace") + self.blameList.setFont(font) + + self.__ioEncoding = Preferences.getSystem("IOEncoding") + + self.connect(self.process, SIGNAL('finished(int, QProcess::ExitStatus)'), + self.__procFinished) + self.connect(self.process, SIGNAL('readyReadStandardOutput()'), + self.__readStdout) + self.connect(self.process, SIGNAL('readyReadStandardError()'), + self.__readStderr) + + def closeEvent(self, e): + """ + Private slot implementing a close event handler. + + @param e close event (QCloseEvent) + """ + if self.process is not None and \ + self.process.state() != QProcess.NotRunning: + self.process.terminate() + QTimer.singleShot(2000, self.process, SLOT('kill()')) + self.process.waitForFinished(3000) + + e.accept() + + def start(self, fn): + """ + Public slot to start the svn status command. + + @param fn filename to show the log for (string) + """ + self.errorGroup.hide() + self.intercept = False + self.activateWindow() + self.lineno = 1 + + dname, fname = self.vcs.splitPath(fn) + + self.process.kill() + + args = [] + args.append('blame') + self.vcs.addArguments(args, self.vcs.options['global']) + args.append(fname) + + + self.process.setWorkingDirectory(dname) + + self.process.start('svn', args) + procStarted = self.process.waitForStarted() + if not procStarted: + self.inputGroup.setEnabled(False) + QMessageBox.critical(None, + self.trUtf8('Process Generation Error'), + self.trUtf8( + 'The process {0} could not be started. ' + 'Ensure, that it is in the search path.' + ).format('svn')) + else: + self.inputGroup.setEnabled(True) + + 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.NotRunning: + self.process.terminate() + QTimer.singleShot(2000, self.process, SLOT('kill()')) + self.process.waitForFinished(3000) + + self.buttonBox.button(QDialogButtonBox.Close).setEnabled(True) + self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(False) + self.buttonBox.button(QDialogButtonBox.Close).setDefault(True) + + self.inputGroup.setEnabled(False) + + self.process = None + + self.blameList.doItemsLayout() + self.__resizeColumns() + + 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.Close): + self.close() + elif button == self.buttonBox.button(QDialogButtonBox.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 __resizeColumns(self): + """ + Private method to resize the list columns. + """ + self.blameList.header().resizeSections(QHeaderView.ResizeToContents) + self.blameList.header().setStretchLastSection(True) + + def __generateItem(self, revision, author, text): + """ + Private method to generate a tag item in the taglist. + + @param revision revision string (string) + @param author author of the tag (string) + @param date date of the tag (string) + @param name name (path) of the tag (string) + """ + itm = QTreeWidgetItem(self.blameList, + [revision, author, "%d" % self.lineno, text]) + self.lineno += 1 + itm.setTextAlignment(0, Qt.AlignRight) + itm.setTextAlignment(2, Qt.AlignRight) + + def __readStdout(self): + """ + Private slot to handle the readyReadStdout signal. + + It reads the output of the process, formats it and inserts it into + the contents pane. + """ + self.process.setReadChannel(QProcess.StandardOutput) + + while self.process.canReadLine(): + s = unicode(self.process.readLine(), self.__ioEncoding, 'replace').strip() + rev, s = s.split(None, 1) + try: + author, text = s.split(' ', 1) + except ValueError: + author = s.strip() + text = "" + self.__generateItem(rev, author, text) + + def __readStderr(self): + """ + Private slot to handle the readyReadStderr 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 = unicode(self.process.readAllStandardError()) + 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.Password) + else: + self.input.setEchoMode(QLineEdit.Normal) + + @pyqtSlot() + def on_sendButton_clicked(self): + """ + Private slot to send the input to the subversion process. + """ + input = self.input.text() + input += os.linesep + + if self.passwordCheckBox.isChecked(): + self.errors.insertPlainText(os.linesep) + self.errors.ensureCursorVisible() + else: + self.errors.insertPlainText(input) + self.errors.ensureCursorVisible() + + self.process.write(input) + + 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 + QDialog.keyPressEvent(self, evt)