diff -r e3924615f9a3 -r 9f687137a929 RefactoringRope/HelpDialog.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/RefactoringRope/HelpDialog.py Sun Jan 23 19:55:56 2011 +0100
@@ -0,0 +1,98 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2011 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog to show help about rope.
+"""
+
+from PyQt4.QtGui import QDialog, QDialogButtonBox, QTextDocument, QTextCursor
+
+from Ui_HelpDialog import Ui_HelpDialog
+from SearchDialog import SearchDialog
+
+import Globals
+
+class HelpDialog(QDialog, Ui_HelpDialog):
+ """
+ Class implementing a dialog to show help about rope.
+ """
+ def __init__(self, title, helpfile, parent = None):
+ """
+ Constructor
+
+ @param title window title (string)
+ @param helpfile filename of the helpfile (string)
+ @param parent reference to the parent widget (QWidget)
+ """
+ QDialog.__init__(self, parent)
+ self.setupUi(self)
+
+ self.searchButton = self.buttonBox.addButton(
+ self.trUtf8("Search..."), QDialogButtonBox.ActionRole)
+ self.__searchDlg = None
+
+ if Globals.isWindowsPlatform():
+ self.helpEdit.setFontFamily("Lucida Console")
+ else:
+ self.helpEdit.setFontFamily("Monospace")
+
+ try:
+ f = open(helpfile, "r", encoding = "utf-8")
+ txt = f.read()
+ f.close()
+ self.helpEdit.setPlainText(txt)
+ except IOError as err:
+ self.helpEdit.setPlainText(
+ self.trUtf8("Could not read file {0}.\nReason: {1}")\
+ .format(helpfile, str(err)))
+
+ 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.searchButton:
+ if self.__searchDlg is None:
+ self.__searchDlg = SearchDialog(self)
+ self.__searchDlg.showFind()
+
+ def findNextPrev(self, txt, case, word, backwards):
+ """
+ Public slot to find the next occurrence of a text.
+
+ @param txt text to search for (string)
+ @param case flag indicating a case sensitive search (boolean)
+ @param word flag indicating a word based search (boolean)
+ @param backwards flag indicating a backwards search (boolean)
+ """
+ doc = self.helpEdit.document()
+ cur = self.helpEdit.textCursor()
+
+ findFlags = QTextDocument.FindFlags()
+ if case:
+ findFlags |= QTextDocument.FindCaseSensitively
+ if word:
+ findFlags |= QTextDocument.FindWholeWords
+ if backwards:
+ findFlags |= QTextDocument.FindBackward
+
+ if cur.hasSelection():
+ cur.setPosition(backwards and cur.anchor() or cur.position(),
+ QTextCursor.MoveAnchor)
+ newCur = doc.find(txt, cur, findFlags)
+ if newCur.isNull():
+ return False
+ else:
+ self.helpEdit.setTextCursor(newCur)
+ return True
+
+ def helpWidget(self):
+ """
+ Public method to get a reference to the help widget.
+
+ @return reference to the help widget (QTextEdit)
+ """
+ return self.helpEdit
