git-gui/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         $w_rev bind_listbox <Double-Button-1> [cb _checkout]
  34         pack $w.rev -anchor nw -fill both -expand 1 -pady 5 -padx 5
  35
  36         labelframe $w.options -text {Options}
  37
  38         checkbutton $w.options.fetch \
  39                 -text {Fetch Tracking Branch} \
  40                 -variable @opt_fetch
  41         pack $w.options.fetch -anchor nw
  42
  43         checkbutton $w.options.detach \
  44                 -text {Detach From Local Branch} \
  45                 -variable @opt_detach
  46         pack $w.options.detach -anchor nw
  47
  48         pack $w.options -anchor nw -fill x -pady 5 -padx 5
  49
  50         bind $w <Visibility> [cb _visible]
  51         bind $w <Key-Escape> [list destroy $w]
  52         bind $w <Key-Return> [cb _checkout]\;break
  53         tkwait window $w
  54 }
  55
  56 method _checkout {} {
  57         set spec [$w_rev get_tracking_branch]
  58         if {$spec ne {} && $opt_fetch} {
  59                 set new {}
  60         } elseif {[catch {set new [$w_rev commit_or_die]}]} {
  61                 return
  62         }
  63
  64         if {$opt_detach} {
  65                 set ref {}
  66         } else {
  67                 set ref [$w_rev get_local_branch]
  68         }
  69
  70         set co [::checkout_op::new [$w_rev get] $new $ref]
  71         $co parent $w
  72         $co enable_checkout 1
  73         if {$spec ne {} && $opt_fetch} {
  74                 $co enable_fetch $spec
  75         }
  76
  77         if {[$co run]} {
  78                 destroy $w
  79         } else {
  80                 $w_rev focus_filter
  81         }
  82 }
  83
  84 method _visible {} {
  85         grab $w
  86         $w_rev focus_filter
  87 }
  88
  89 }