lib/branch_checkout.tcl

   1 # git-gui branch checkout support
   2 # Copyright (C) 2007 Shawn Pearce
   3
   4 class branch_checkout {
   5
   6 field w              ; # widget path
   7 field w_rev          ; # mega-widget to pick the initial revision
   8
   9 field opt_fetch     1; # refetch tracking branch if used?
  10 field opt_detach    0; # force a detached head case?
  11
  12 constructor dialog {} {
  13         make_toplevel top w
  14         wm title $top "[appname] ([reponame]): Checkout Branch"
  15         if {$top ne {.}} {
  16                 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
  17         }
  18
  19         label $w.header -text {Checkout Branch} -font font_uibold
  20         pack $w.header -side top -fill x
  21
  22         frame $w.buttons
  23         button $w.buttons.create -text Checkout \
  24                 -default active \
  25                 -command [cb _checkout]
  26         pack $w.buttons.create -side right
  27         button $w.buttons.cancel -text {Cancel} \
  28                 -command [list destroy $w]
  29         pack $w.buttons.cancel -side right -padx 5
  30         pack $w.buttons -side bottom -fill x -pady 10 -padx 10
  31
  32         set w_rev [::choose_rev::new $w.rev {Revision}]
  33         pack $w.rev -anchor nw -fill both -expand 1 -pady 5 -padx 5
  34
  35         labelframe $w.options -text {Options}
  36
  37         checkbutton $w.options.fetch \
  38                 -text {Fetch Tracking Branch} \
  39                 -variable @opt_fetch
  40         pack $w.options.fetch -anchor nw
  41
  42         checkbutton $w.options.detach \
  43                 -text {Detach From Local Branch} \
  44                 -variable @opt_detach
  45         pack $w.options.detach -anchor nw
  46
  47         pack $w.options -anchor nw -fill x -pady 5 -padx 5
  48
  49         bind $w <Visibility> [cb _visible]
  50         bind $w <Key-Escape> [list destroy $w]
  51         bind $w <Key-Return> [cb _checkout]\;break
  52         tkwait window $w
  53 }
  54
  55 method _checkout {} {
  56         set spec [$w_rev get_tracking_branch]
  57         if {$spec ne {} && $opt_fetch} {
  58                 set new {}
  59         } elseif {[catch {set new [$w_rev commit_or_die]}]} {
  60                 return
  61         }
  62
  63         if {$opt_detach} {
  64                 set ref {}
  65         } else {
  66                 set ref [$w_rev get_local_branch]
  67         }
  68
  69         set co [::checkout_op::new [$w_rev get] $new $ref]
  70         $co parent $w
  71         $co enable_checkout 1
  72         if {$spec ne {} && $opt_fetch} {
  73                 $co enable_fetch $spec
  74         }
  75
  76         if {[$co run]} {
  77                 destroy $w
  78         } else {
  79                 $w_rev focus_filter
  80         }
  81 }
  82
  83 method _visible {} {
  84         grab $w
  85         $w_rev focus_filter
  86 }
  87
  88 }