Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/Plugins/VcsPlugins/vcsPySvn/SvnBlameDialog.py	Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,146 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2003 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog to show the output of the svn blame command.
+"""
+
+from __future__ import unicode_literals
+
+import os
+import sys
+
+import pysvn
+
+from PyQt5.QtCore import QMutexLocker, Qt
+from PyQt5.QtWidgets import QHeaderView, QDialog, QDialogButtonBox, \
+    QTreeWidgetItem
+
+from .SvnDialogMixin import SvnDialogMixin
+from .Ui_SvnBlameDialog import Ui_SvnBlameDialog
+
+import Preferences
+
+
+class SvnBlameDialog(QDialog, SvnDialogMixin, 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)
+        """
+        super(SvnBlameDialog, self).__init__(parent)
+        self.setupUi(self)
+        SvnDialogMixin.__init__(self)
+        self.setWindowFlags(Qt.Window)
+        
+        self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False)
+        self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True)
+        
+        self.vcs = vcs
+        
+        self.blameList.headerItem().setText(self.blameList.columnCount(), "")
+        font = Preferences.getEditorOtherFonts("MonospacedFont")
+        self.blameList.setFont(font)
+        
+        self.client = self.vcs.getClient()
+        self.client.callback_cancel = \
+            self._clientCancelCallback
+        self.client.callback_get_login = \
+            self._clientLoginCallback
+        self.client.callback_ssl_server_trust_prompt = \
+            self._clientSslServerTrustPromptCallback
+        
+    def start(self, fn):
+        """
+        Public slot to start the svn blame command.
+        
+        @param fn filename to show the blame for (string)
+        """
+        self.blameList.clear()
+        self.errorGroup.hide()
+        self.activateWindow()
+        
+        dname, fname = self.vcs.splitPath(fn)
+        
+        locker = QMutexLocker(self.vcs.vcsExecutionMutex)
+        cwd = os.getcwd()
+        os.chdir(dname)
+        try:
+            annotations = self.client.annotate(fname)
+            locker.unlock()
+            for annotation in annotations:
+                author = annotation["author"]
+                line = annotation["line"]
+                if sys.version_info[0] == 2:
+                    author = author.decode('utf-8')
+                    line = line.decode('utf-8')
+                self.__generateItem(
+                    annotation["revision"].number, author,
+                    annotation["number"] + 1, line)
+        except pysvn.ClientError as e:
+            locker.unlock()
+            self.__showError(e.args[0] + '\n')
+        self.__finish()
+        os.chdir(cwd)
+        
+    def __finish(self):
+        """
+        Private slot called when the process finished or the user pressed the
+        button.
+        """
+        self.buttonBox.button(QDialogButtonBox.Close).setEnabled(True)
+        self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(False)
+        self.buttonBox.button(QDialogButtonBox.Close).setDefault(True)
+        
+        self.__resizeColumns()
+        
+        self._cancel()
+        
+    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 __resizeColumns(self):
+        """
+        Private method to resize the list columns.
+        """
+        self.blameList.header().resizeSections(QHeaderView.ResizeToContents)
+        
+    def __generateItem(self, revision, author, lineno, text):
+        """
+        Private method to generate a blame item in the blame list.
+        
+        @param revision revision string (string)
+        @param author author of the change (string)
+        @param lineno linenumber (string)
+        @param text line of text from the annotated file (string)
+        """
+        itm = QTreeWidgetItem(
+            self.blameList,
+            ["{0:d}".format(revision), author, "{0:d}".format(lineno), text])
+        itm.setTextAlignment(0, Qt.AlignRight)
+        itm.setTextAlignment(2, Qt.AlignRight)
+        
+    def __showError(self, msg):
+        """
+        Private slot to show an error message.
+        
+        @param msg error message to show (string)
+        """
+        self.errorGroup.show()
+        self.errors.insertPlainText(msg)
+        self.errors.ensureCursorVisible()