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mash/tcl/applications/mbv2/ui-pagemgr.tcl

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  1 # ui-pagemgr.tcl --
  2 #
  3 #       FIXME: This file needs a description here.
  4 #
  5 # Copyright (c) 1998-2002 The Regents of the University of California.
  6 # All rights reserved.
  7 #
  8 # Redistribution and use in source and binary forms, with or without
  9 # modification, are permitted provided that the following conditions are met:
 10 #
 11 # A. Redistributions of source code must retain the above copyright notice,
 12 #    this list of conditions and the following disclaimer.
 13 # B. Redistributions in binary form must reproduce the above copyright notice,
 14 #    this list of conditions and the following disclaimer in the documentation
 15 #    and/or other materials provided with the distribution.
 16 # C. Neither the names of the copyright holders nor the names of its
 17 #    contributors may be used to endorse or promote products derived from this
 18 #    software without specific prior written permission.
 19 #
 20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
 21 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 22 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 23 # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
 24 # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 25 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 26 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 27 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 28 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 29 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 30 #
 31 #  @(#) $Header: /usr/mash/src/repository/mash/mash-1/tcl/applications/mbv2/ui-pagemgr.tcl,v 1.3 2002/02/03 04:21:59 lim Exp $
 32 
 33 
 34 Class MBv2PageManager
 35 
 36 
 37 MBv2PageManager public create_page { pageid } {
 38 }
 39 
 40 
 41 MBv2PageManager public get_canvas { pageid } {
 42 }
 43 
 44 
 45 MBv2PageManager public switch_page { pageid } {
 46 }
 47 
 48 
 49 MBv2PageManager public current_pageid { } {
 50 }
 51 
 52 
 53 MBv2PageManager public create_canvas { pageid } {
 54         $self instvar canvas_ path_ cnt_
 55         set empty ""
 56         if { $pageid == {} } {
 57                 set canvas_($pageid) [ScrolledCanvas $path.canvas$cnt_]
 58                 incr cnt_
 59                 set canv $default_canvas_
 60         } elseif [info exists canvas_($empty)] {
 61                 set canvas_($pageid) $canvas_($empty)
 62                 unset canvas_($empty)
 63         } else {
 64                 set canvas_($pageid) [ScrolledCanvas $path.canvas$cnt_]
 65                 incr cnt_
 66         }
 67 
 68         return $canvas_($pageid)
 69 }
 70
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