RefactoringRope/ExtractDialog.py

changeset 5
49a4abfc1f89
child 9
8cee612bcc28
equal deleted inserted replaced
4:2e2463ef1aae 5:49a4abfc1f89
1 # -*- coding: utf-8 -*-
2
3 # Copyright (c) 2011 Detlev Offenbach <detlev@die-offenbachs.de>
4 #
5
6 """
7 Module implementing the Extract dialog.
8 """
9
10 from PyQt4.QtCore import pyqtSlot
11 from PyQt4.QtGui import QDialogButtonBox, QAbstractButton
12
13 from Ui_ExtractDialog import Ui_ExtractDialog
14 from RefactoringDialogBase import RefactoringDialogBase
15
16 class ExtractDialog(RefactoringDialogBase, Ui_ExtractDialog):
17 """
18 Class implementing the Extract dialog.
19 """
20 def __init__(self, refactoring, title, extractor, parent=None):
21 """
22 Constructor
23
24 @param refactoring reference to the main refactoring object
25 (Refactoring)
26 @param title title of the dialog (string or QString)
27 @param extractor reference to the extractor object
28 (rope.refactor.extract.ExtractMethod or
29 rope.refactor.extract.ExtractVariable)
30 @param parent reference to the parent widget (QWidget)
31 """
32 RefactoringDialogBase.__init__(self, refactoring, title, parent)
33 self.setupUi(self)
34
35 self.__extractor = extractor
36
37 self.__okButton = self.buttonBox.button(QDialogButtonBox.Ok)
38 self.__okButton.setEnabled(False)
39 self.__previewButton = self.buttonBox.addButton(
40 self.trUtf8("Preview"), QDialogButtonBox.ActionRole)
41 self.__previewButton.setDefault(True)
42
43 @pyqtSlot(str)
44 def on_newNameEdit_textChanged(self, text):
45 """
46 Private slot to react to changes of the new name.
47
48 @param text text entered into the edit (string)
49 """
50 self.__okButton.setEnabled(text != "")
51
52 @pyqtSlot(QAbstractButton)
53 def on_buttonBox_clicked(self, button):
54 """
55 Private slot to act on the button pressed.
56
57 @param button reference to the button pressed (QAbstractButton)
58 """
59 if button == self.__previewButton:
60 self.previewChanges()
61 elif button == self.__okButton:
62 self.applyChanges()
63
64 def _calculateChanges(self, handle):
65 """
66 Protected method to calculate the changes.
67
68 @param handle reference to the task handle
69 (rope.base.taskhandle.TaskHandle)
70 @return reference to the Changes object (rope.base.change.ChangeSet)
71 """
72 try:
73 changes = self.__extractor.get_changes(self.newNameEdit.text(),
74 similar=self.similarCheckBox.isChecked(),
75 global_=self.globalCheckBox.isChecked())
76 return changes
77 except Exception as err:
78 self._refactoring.handleRopeError(err, self._title, handle)
79 return None

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