Mercurial Repositories > Rope Refactoring / file comparison
comparison: RefactoringRope/HelpDialog.py
RefactoringRope/HelpDialog.py
- changeset 1
- 9f687137a929
- child 20
- 83b71483e198
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| 0:e3924615f9a3 | 1:9f687137a929 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2011 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a dialog to show help about rope. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.QtGui import QDialog, QDialogButtonBox, QTextDocument, QTextCursor | |
| 11 | |
| 12 from Ui_HelpDialog import Ui_HelpDialog | |
| 13 from SearchDialog import SearchDialog | |
| 14 | |
| 15 import Globals | |
| 16 | |
| 17 class HelpDialog(QDialog, Ui_HelpDialog): | |
| 18 """ | |
| 19 Class implementing a dialog to show help about rope. | |
| 20 """ | |
| 21 def __init__(self, title, helpfile, parent = None): | |
| 22 """ | |
| 23 Constructor | |
| 24 | |
| 25 @param title window title (string) | |
| 26 @param helpfile filename of the helpfile (string) | |
| 27 @param parent reference to the parent widget (QWidget) | |
| 28 """ | |
| 29 QDialog.__init__(self, parent) | |
| 30 self.setupUi(self) | |
| 31 | |
| 32 self.searchButton = self.buttonBox.addButton( | |
| 33 self.trUtf8("Search..."), QDialogButtonBox.ActionRole) | |
| 34 self.__searchDlg = None | |
| 35 | |
| 36 if Globals.isWindowsPlatform(): | |
| 37 self.helpEdit.setFontFamily("Lucida Console") | |
| 38 else: | |
| 39 self.helpEdit.setFontFamily("Monospace") | |
| 40 | |
| 41 try: | |
| 42 f = open(helpfile, "r", encoding = "utf-8") | |
| 43 txt = f.read() | |
| 44 f.close() | |
| 45 self.helpEdit.setPlainText(txt) | |
| 46 except IOError as err: | |
| 47 self.helpEdit.setPlainText( | |
| 48 self.trUtf8("Could not read file {0}.\nReason: {1}")\ | |
| 49 .format(helpfile, str(err))) | |
| 50 | |
| 51 def on_buttonBox_clicked(self, button): | |
| 52 """ | |
| 53 Private slot called by a button of the button box clicked. | |
| 54 | |
| 55 @param button button that was clicked (QAbstractButton) | |
| 56 """ | |
| 57 if button == self.searchButton: | |
| 58 if self.__searchDlg is None: | |
| 59 self.__searchDlg = SearchDialog(self) | |
| 60 self.__searchDlg.showFind() | |
| 61 | |
| 62 def findNextPrev(self, txt, case, word, backwards): | |
| 63 """ | |
| 64 Public slot to find the next occurrence of a text. | |
| 65 | |
| 66 @param txt text to search for (string) | |
| 67 @param case flag indicating a case sensitive search (boolean) | |
| 68 @param word flag indicating a word based search (boolean) | |
| 69 @param backwards flag indicating a backwards search (boolean) | |
| 70 """ | |
| 71 doc = self.helpEdit.document() | |
| 72 cur = self.helpEdit.textCursor() | |
| 73 | |
| 74 findFlags = QTextDocument.FindFlags() | |
| 75 if case: | |
| 76 findFlags |= QTextDocument.FindCaseSensitively | |
| 77 if word: | |
| 78 findFlags |= QTextDocument.FindWholeWords | |
| 79 if backwards: | |
| 80 findFlags |= QTextDocument.FindBackward | |
| 81 | |
| 82 if cur.hasSelection(): | |
| 83 cur.setPosition(backwards and cur.anchor() or cur.position(), | |
| 84 QTextCursor.MoveAnchor) | |
| 85 newCur = doc.find(txt, cur, findFlags) | |
| 86 if newCur.isNull(): | |
| 87 return False | |
| 88 else: | |
| 89 self.helpEdit.setTextCursor(newCur) | |
| 90 return True | |
| 91 | |
| 92 def helpWidget(self): | |
| 93 """ | |
| 94 Public method to get a reference to the help widget. | |
| 95 | |
| 96 @return reference to the help widget (QTextEdit) | |
| 97 """ | |
| 98 return self.helpEdit |
