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Viewing changes to src/calibre/gui2/tweak_book/undo.py

  • Committer: Package Import Robot
  • Author(s): Martin Pitt
  • Date: 2014-02-27 07:48:06 UTC
  • mto: This revision was merged to the branch mainline in revision 74.
  • Revision ID: package-import@ubuntu.com-20140227074806-64wdebb3ptosxhhx
Tags: upstream-1.25.0+dfsg
Import upstream version 1.25.0+dfsg

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Lines of Context:
src/calibre/gui2/tweak_book/undo.py
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    def __init__(self, container):
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        self.container = container
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        self.message = None
 
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        self.rewind_message = None
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class GlobalUndoHistory(QAbstractListModel):
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    def label_for_row(self, row):
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        msg = self.states[row].message
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        if self.pos == row:
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            msg = _('Current state')
 
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            msg = _('Current state') + ('' if not msg else _(' [was %s]') % msg)
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        elif not msg:
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            msg = _('[Unnamed state]')
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        else:
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            msg = _('Before %s') % msg
 
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            msg = msg
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        return msg
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    def label_for_container(self, container):
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        self.pos = 0
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        self.reset()
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    def truncate(self):
 
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        extra = self.states[self.pos+1:]
 
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        if extra:
 
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            self.beginRemoveRows(ROOT, self.pos+1, len(self.states) - 1)
 
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        cleanup(extra)
 
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        self.states = self.states[:self.pos+1]
 
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        if extra:
 
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            self.endRemoveRows()
 
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    def add_savepoint(self, new_container, message):
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        try:
 
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            self.states[self.pos].rewind_message = self.states[self.pos].message
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            self.states[self.pos].message = message
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        except IndexError:
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            raise IndexError('The checkpoint stack has an incorrect position pointer. This should never happen: self.pos = %r, len(self.states) = %r' % (
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                self.pos, len(self.states)))
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        extra = self.states[self.pos+1:]
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        if extra:
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            self.beginRemoveRows(ROOT, self.pos+1, len(self.states) - 1)
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        cleanup(extra)
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        self.states = self.states[:self.pos+1]
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        if extra:
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            self.endRemoveRows()
 
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        self.truncate()
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        self.beginInsertRows(ROOT, self.pos+1, self.pos+1)
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        self.states.append(State(new_container))
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        self.pos += 1
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            self.beginRemoveRows(ROOT, 0, num - 1)
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            cleanup(self.states[:num])
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            self.states = self.states[num:]
 
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            self.pos -= num
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            self.endRemoveRows()
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    def rewind_savepoint(self):
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            self.pos -= 1
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            cleanup([self.states.pop().container])
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            self.endRemoveRows()
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            self.dataChanged.emit(self.index(self.pos))
 
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            self.dataChanged.emit(self.index(self.pos), self.index(self.pos))
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            ans = self.current_container
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            ans.message = None
 
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            self.states[self.pos].message = self.states[self.pos].rewind_message
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            return ans
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    def undo(self):
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    def redo_msg(self):
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        if not self.can_redo:
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            return ''
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        return self.states[self.pos].message or ''
 
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        return self.states[self.pos + 1].message or _('[Unnamed state]')
 
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    def update_path_to_ebook(self, path):
 
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        for state in self.states:
 
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            state.container.path_to_ebook = path
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class SpacedDelegate(QStyledItemDelegate):
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