featureCodeEditor.py 文件源码

def keyPressEvent(self, event):
        key = event.key()
        if key == Qt.Key_Return:
            cursor = self.textCursor()
            indentLvl = self.findLineIndentLevel()
            newBlock = False

            pos = cursor.position()
            cursor.movePosition(QTextCursor.PreviousCharacter,
                                QTextCursor.KeepAnchor)
            if cursor.selectedText() == self.openBlockDelimiter:
                # We don't add a closing tag if there is text right
                # below with the same indentation level because in
                # that case the user might just be looking to add a
                # new line
                ok = cursor.movePosition(QTextCursor.Down)
                if ok:
                    downIndentLvl = self.findLineIndentLevel(cursor)
                    cursor.select(QTextCursor.LineUnderCursor)
                    if (cursor.selectedText().strip(
                            ) == '' or downIndentLvl <= indentLvl):
                        newBlock = True
                    cursor.movePosition(QTextCursor.Up)
                else:
                    newBlock = True
                indentLvl += 1

            if newBlock:
                cursor.select(QTextCursor.LineUnderCursor)
                txt = cursor.selectedText().lstrip(" ").split(" ")
                if len(txt) > 1:
                    if len(txt) < 3 and txt[-1][-1] == self.openBlockDelimiter:
                        feature = txt[-1][:-1]
                    else:
                        feature = txt[1]
                else:
                    feature = None
            cursor.setPosition(pos)

            cursor.beginEditBlock()
            cursor.insertText("\n")
            newLineSpace = "".join(self._indent for _ in range(indentLvl))
            cursor.insertText(newLineSpace)
            if newBlock:
                cursor.insertText("\n")
                newLineSpace = "".join((newLineSpace[:-len(self._indent)],
                                        "} ", feature, ";"))
                cursor.insertText(newLineSpace)
                cursor.movePosition(QTextCursor.Up)
                cursor.movePosition(QTextCursor.EndOfLine)
                self.setTextCursor(cursor)
            cursor.endEditBlock()
        else:
            super(FeatureCodeEditor, self).keyPressEvent(event)