eric6/Plugins/VcsPlugins/vcsSubversion/SvnPropListDialog.py

changeset 6942
2602857055c5
parent 6645
ad476851d7e0
child 7192
a22eee00b052
diff -r f99d60d6b59b -r 2602857055c5 eric6/Plugins/VcsPlugins/vcsSubversion/SvnPropListDialog.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/Plugins/VcsPlugins/vcsSubversion/SvnPropListDialog.py	Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,256 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2003 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog to show the output of the svn proplist command
+process.
+"""
+
+from __future__ import unicode_literals
+try:
+    str = unicode
+except NameError:
+    pass
+
+from PyQt5.QtCore import pyqtSlot, QTimer, QProcess, QProcessEnvironment, \
+    QRegExp, Qt
+from PyQt5.QtWidgets import QWidget, QHeaderView, QDialogButtonBox, \
+    QTreeWidgetItem
+
+from E5Gui import E5MessageBox
+
+from .Ui_SvnPropListDialog import Ui_SvnPropListDialog
+
+import Preferences
+
+
+class SvnPropListDialog(QWidget, Ui_SvnPropListDialog):
+    """
+    Class implementing a dialog to show the output of the svn proplist command
+    process.
+    """
+    def __init__(self, vcs, parent=None):
+        """
+        Constructor
+        
+        @param vcs reference to the vcs object
+        @param parent parent widget (QWidget)
+        """
+        super(SvnPropListDialog, self).__init__(parent)
+        self.setupUi(self)
+        
+        self.refreshButton = \
+            self.buttonBox.addButton(self.tr("Refresh"),
+                                     QDialogButtonBox.ActionRole)
+        self.refreshButton.setToolTip(
+            self.tr("Press to refresh the properties display"))
+        self.refreshButton.setEnabled(False)
+        self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False)
+        self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True)
+        
+        self.process = QProcess()
+        env = QProcessEnvironment.systemEnvironment()
+        env.insert("LANG", "C")
+        self.process.setProcessEnvironment(env)
+        self.vcs = vcs
+        
+        self.propsList.headerItem().setText(self.propsList.columnCount(), "")
+        self.propsList.header().setSortIndicator(0, Qt.AscendingOrder)
+        
+        self.process.finished.connect(self.__procFinished)
+        self.process.readyReadStandardOutput.connect(self.__readStdout)
+        self.process.readyReadStandardError.connect(self.__readStderr)
+        
+        self.rx_path = QRegExp(r"Properties on '([^']+)':\s*")
+        self.rx_prop = QRegExp(r"  (.*) *: *(.*)[\r\n]")
+        
+    def __resort(self):
+        """
+        Private method to resort the tree.
+        """
+        self.propsList.sortItems(
+            self.propsList.sortColumn(),
+            self.propsList.header().sortIndicatorOrder())
+        
+    def __resizeColumns(self):
+        """
+        Private method to resize the list columns.
+        """
+        self.propsList.header().resizeSections(QHeaderView.ResizeToContents)
+        self.propsList.header().setStretchLastSection(True)
+        
+    def __generateItem(self, path, propName, propValue):
+        """
+        Private method to generate a properties item in the properties list.
+        
+        @param path file/directory name the property applies to (string)
+        @param propName name of the property (string)
+        @param propValue value of the property (string)
+        """
+        QTreeWidgetItem(self.propsList, [path, propName, propValue.strip()])
+        
+    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.NotRunning:
+            self.process.terminate()
+            QTimer.singleShot(2000, self.process.kill)
+            self.process.waitForFinished(3000)
+        
+        e.accept()
+        
+    def start(self, fn, recursive=False):
+        """
+        Public slot to start the svn status command.
+        
+        @param fn filename(s) (string or list of string)
+        @param recursive flag indicating a recursive list is requested
+        """
+        self.errorGroup.hide()
+        
+        self.propsList.clear()
+        self.lastPath = None
+        self.lastProp = None
+        self.propBuffer = ""
+        
+        self.__args = fn
+        self.__recursive = recursive
+        
+        self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False)
+        self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(True)
+        self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True)
+        self.refreshButton.setEnabled(False)
+        
+        self.process.kill()
+        
+        args = []
+        args.append('proplist')
+        self.vcs.addArguments(args, self.vcs.options['global'])
+        args.append('--verbose')
+        if recursive:
+            args.append('--recursive')
+        if isinstance(fn, list):
+            dname, fnames = self.vcs.splitPathList(fn)
+            self.vcs.addArguments(args, fnames)
+        else:
+            dname, fname = self.vcs.splitPath(fn)
+            args.append(fname)
+        
+        self.process.setWorkingDirectory(dname)
+        
+        self.process.start('svn', args)
+        procStarted = self.process.waitForStarted(5000)
+        if not procStarted:
+            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'))
+        
+    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.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.refreshButton.setEnabled(True)
+        
+        if self.lastProp:
+            self.__generateItem(self.lastPath, self.lastProp, self.propBuffer)
+        
+        self.__resort()
+        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()
+        elif button == self.refreshButton:
+            self.on_refreshButton_clicked()
+        
+    @pyqtSlot()
+    def on_refreshButton_clicked(self):
+        """
+        Private slot to refresh the status display.
+        """
+        self.start(self.__args, recursive=self.__recursive)
+        
+    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)
+        """
+        if self.lastPath is None:
+            self.__generateItem('', 'None', '')
+        
+        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.
+        """
+        self.process.setReadChannel(QProcess.StandardOutput)
+        
+        while self.process.canReadLine():
+            s = str(self.process.readLine(),
+                    Preferences.getSystem("IOEncoding"),
+                    'replace')
+            if self.rx_path.exactMatch(s):
+                if self.lastProp:
+                    self.__generateItem(
+                        self.lastPath, self.lastProp, self.propBuffer)
+                self.lastPath = self.rx_path.cap(1)
+                self.lastProp = None
+                self.propBuffer = ""
+            elif self.rx_prop.exactMatch(s):
+                if self.lastProp:
+                    self.__generateItem(
+                        self.lastPath, self.lastProp, self.propBuffer)
+                self.lastProp = self.rx_prop.cap(1)
+                self.propBuffer = self.rx_prop.cap(2)
+            else:
+                self.propBuffer += ' '
+                self.propBuffer += s
+        
+    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()

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