--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Plugins/VcsPlugins/vcsMercurial/HgLogDialog.py Mon Apr 12 18:00:42 2010 +0000 @@ -0,0 +1,356 @@ +# -*- coding: utf-8 -*- + +# Copyright (c) 2010 Detlev Offenbach <detlev@die-offenbachs.de> +# + +""" +Module implementing a dialog to show the output of the hg log command process. +""" + +import os + +from PyQt4.QtCore import pyqtSlot, QProcess, SIGNAL, QTimer, QUrl, QByteArray +from PyQt4.QtGui import QWidget, QDialogButtonBox, QApplication, QMessageBox, \ + QLineEdit, QTextCursor + +from .Ui_HgLogDialog import Ui_HgLogDialog +from .HgDiffDialog import HgDiffDialog + +import Utilities +import Preferences + +class HgLogDialog(QWidget, Ui_HgLogDialog): + """ + Class implementing a dialog to show the output of the hg log command process. + + The dialog is nonmodal. Clicking a link in the upper text pane shows + a diff of the revisions. + """ + def __init__(self, vcs, mode = "log", parent = None): + """ + Constructor + + @param vcs reference to the vcs object + @param mode mode of the dialog (string, one of log, incoming, outgoing) + @param parent parent widget (QWidget) + """ + QWidget.__init__(self, parent) + self.setupUi(self) + + self.buttonBox.button(QDialogButtonBox.Close).setDefault(True) + + self.process = QProcess() + self.vcs = vcs + if mode in ("log", "incoming", "outgoing"): + self.mode = mode + else: + self.mode = "log" + + self.contents.setHtml(\ + self.trUtf8('<b>Processing your request, please wait...</b>')) + + 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) + + self.connect(self.contents, SIGNAL('anchorClicked(const QUrl&)'), + self.__sourceChanged) + + self.revisions = [] # stack of remembered revisions + self.revString = self.trUtf8('Revision') + + self.buf = [] # buffer for stdout + self.diff = None + + 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.kill) + self.process.waitForFinished(3000) + + e.accept() + + def start(self, fn, noEntries = 0): + """ + Public slot to start the hg log command. + + @param fn filename to show the log for (string) + @param noEntries number of entries to show (integer) + """ + self.errorGroup.hide() + QApplication.processEvents() + + self.intercept = False + self.filename = fn + self.dname, self.fname = self.vcs.splitPath(fn) + + # find the root of the repo + repodir = self.dname + while not os.path.isdir(os.path.join(repodir, self.vcs.adminDir)): + repodir = os.path.dirname(repodir) + if repodir == os.sep: + return + + self.process.kill() + + self.activateWindow() + self.raise_() + + args = [] + args.append(self.mode) + self.vcs.addArguments(args, self.vcs.options['global']) + self.vcs.addArguments(args, self.vcs.options['log']) + if noEntries: + args.append('--limit') + args.append(str(noEntries)) + args.append('--template') + args.append("change|{rev}:{node|short}\n" + "branches|{branches}\n" + "tags|{tags}\n" + "parents|{parents}\n" + "user|{author}\n" + "date|{date|isodate}\n" + "description|{desc}\n" + "file_adds|{file_adds}\n" + "files_mods|{file_mods}\n" + "file_dels|{file_dels}\n" + "@@@\n") + if self.fname != "." or self.dname != repodir: + args.append(self.filename) + + self.process.setWorkingDirectory(repodir) + + self.process.start('hg', 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('hg')) + + 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.inputGroup.setEnabled(False) + self.inputGroup.hide() + + self.contents.clear() + + if not self.buf: + self.errors.append(self.trUtf8("No log available for '{0}'")\ + .format(self.filename)) + self.errorGroup.show() + return + + hasInitialText = 0 # three states flag (-1, 0, 1) + lvers = 1 + for s in self.buf: + if s == "@@@\n": + self.contents.insertHtml('</p>{0}<br/>\n'.format(80 * "=")) + else: + try: + key, value = s.split("|", 1) + except ValueError: + key = "" + value = s + if key == "change": + if hasInitialText == 1: + self.contents.insertHtml('{0}<br/>\n'.format(80 * "=")) + hasInitialText = -1 + rev, hexRev = value.split(":") + dstr = '<p><b>{0} {1}</b>'.format(self.revString, value) + try: + lv = self.revisions[lvers] + lvers += 1 + url = QUrl() + url.setScheme("file") + url.setPath(self.filename) + query = QByteArray() + query.append(lv.split(":")[0]).append('_').append(rev) + url.setEncodedQuery(query) + dstr += ' [<a href="{0}" name="{1}" id="{1}">{2}</a>]'.format( + url.toString(), + str(query, encoding="ascii"), + self.trUtf8('diff to {0}').format(lv), + ) + except IndexError: + pass + dstr += '<br />\n' + self.contents.insertHtml(dstr) + elif key == "branches": + if value.strip(): + self.contents.insertHtml(self.trUtf8("Branches: {0}<br />\n")\ + .format(value.strip())) + elif key == "tags": + if value.strip(): + self.contents.insertHtml(self.trUtf8("Tags: {0}<br />\n")\ + .format(value.strip())) + elif key == "parents": + if value.strip(): + self.contents.insertHtml(self.trUtf8("Parents: {0}<br />\n")\ + .format(value.strip())) + elif key == "user": + dstr = self.contents.insertHtml( + self.trUtf8('<i>Author: {0}</i><br />\n').format(value.strip())) + elif key == "date": + date, time = value.strip().split()[:2] + dstr = self.contents.insertHtml( + self.trUtf8('<i>Date: {0}, {1}</i><br />\n')\ + .format(date, time)) + elif key == "description": + self.contents.insertHtml(Utilities.html_encode(value.strip())) + self.contents.insertHtml('<br />\n') + elif key == "file_adds": + if value.strip(): + self.contents.insertHtml('<br />\n') + for f in value.strip().split(): + self.contents.insertHtml( + self.trUtf8('Added {0}<br />\n')\ + .format(Utilities.html_encode(f))) + elif key == "files_mods": + if value.strip(): + self.contents.insertHtml('<br />\n') + for f in value.strip().split(): + self.contents.insertHtml( + self.trUtf8('Modified {0}<br />\n')\ + .format(Utilities.html_encode(f))) + elif key == "file_dels": + if value.strip(): + self.contents.insertHtml('<br />\n') + for f in value.strip().split(): + self.contents.insertHtml( + self.trUtf8('Deleted {0}<br />\n')\ + .format(Utilities.html_encode(f))) + else: + if value.strip(): + self.contents.insertHtml(Utilities.html_encode(value.strip())) + self.contents.insertHtml('<br />\n') + if hasInitialText == 0: + hasInitialText = 1 + + tc = self.contents.textCursor() + tc.movePosition(QTextCursor.Start) + self.contents.setTextCursor(tc) + self.contents.ensureCursorVisible() + + 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.StandardOutput) + + while self.process.canReadLine(): + line = str(self.process.readLine(), + Preferences.getSystem("IOEncoding"), + 'replace') + self.buf.append(line) + + if line.startswith("change|"): + ver = line[7:] + # save revision number for later use + self.revisions.append(ver) + + 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 __sourceChanged(self, url): + """ + Private slot to handle the sourceChanged signal of the contents pane. + + @param url the url that was clicked (QUrl) + """ + filename = url.path() + if Utilities.isWindowsPlatform(): + if filename.startswith("/"): + filename = filename[1:] + ver = bytes(url.encodedQuery()).decode() + v1, v2 = ver.split('_') + if v1 == "" or v2 == "": + return + self.contents.scrollToAnchor(ver) + + if self.diff: + del self.diff + self.diff = HgDiffDialog(self.vcs) + self.diff.show() + self.diff.start(filename, [v1, v2]) + + 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 hg 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 + QWidget.keyPressEvent(self, evt)