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  • Committer: Rick Spencer
  • Date: 2010-06-15 03:48:30 UTC
  • Revision ID: rick.spencer@canonical.com-20100615034830-fevpofosz6utllhv
added cross date undo/redo stack

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bin/daily-journal
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                          "insert":self.buffer.get_property("cursor-position")
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        })
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    def _select_date(self, date):
 
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            for i, r in enumerate(self.grid.rows):
 
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                if r["Date"] == date:
 
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                    selection = self.grid.get_selection()
 
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                    selection.unselect_all()
 
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                    selection.select_path(i)
 
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                    break
 
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            self.change_note(self, self.grid.selected_rows)
 
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    def undo(self, widget, data=None):
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        if len(self.undos) == 0:
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            return
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        self.buffer.disconnect(self.delete_event)
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        self.buffer.disconnect(self.insert_event)
 
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        undo = self.undos[-1]
 
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        if undo["Date"] != self.current_row["Date"]:
 
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            self._select_date(undo["Date"])
 
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        start_iter = self.buffer.get_iter_at_offset(0)
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        end_iter =  self.buffer.get_iter_at_offset(-1)
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        stri = self.buffer.get_text(start_iter,end_iter)
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        self.redos.append({"Date":self.current_row["Date"],
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                          "Text":stri,
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                          "insert":self.buffer.get_property("cursor-position")
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        })
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        undo = self.undos[-1]
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        self.buffer.set_text(undo["Text"])
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        insert_iter = self.buffer.get_iter_at_offset(undo["insert"])
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        self.buffer.place_cursor(insert_iter)
 
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        del(self.undos[-1])
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        self.insert_event = self.buffer.connect("insert-text",self.on_insert)
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        self.buffer.disconnect(self.delete_event)
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        self.buffer.disconnect(self.insert_event)
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        start_iter = self.buffer.get_iter_at_offset(0)
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        end_iter =  self.buffer.get_iter_at_offset(-1)
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        stri = self.buffer.get_text(start_iter,end_iter)
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        self.undos.append({"Date":self.current_row["Date"],
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                          "Text":stri,
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                          "insert":self.buffer.get_property("cursor-position")
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        })
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        redo = self.redos[-1]
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        del(self.redos[-1])
 
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        if redo["Date"] != self.current_row["Date"]:
 
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            self._select_date(redo["Date"])
 
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        start_iter = self.buffer.get_iter_at_offset(0)
 
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        end_iter =  self.buffer.get_iter_at_offset(-1)
 
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        stri = self.buffer.get_text(start_iter,end_iter)
 
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        self.undos.append({"Date":self.current_row["Date"],
 
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                          "Text":stri,
 
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                          "insert":self.buffer.get_property("cursor-position")
 
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        })
 
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        self.buffer.set_text(redo["Text"])
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        insert_iter = self.buffer.get_iter_at_offset(redo["insert"])
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        self.buffer.place_cursor(insert_iter)
 
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        del(self.redos[-1])
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        self.insert_event = self.buffer.connect("insert-text",self.on_insert)
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        self.delete_event = self.buffer.connect("delete-range",self.on_delete)
 
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        self.highlight()
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    def copy(self, widget, data=None):