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         global use_ttk NS
  14         make_dialog top w
  15         wm withdraw $w
  16         wm title $top [append "[appname] ([reponame]): " [mc "Checkout Branch"]]
  17         if {$top ne {.}} {
  18                 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
  19         }
  20
  21         ${NS}::label $w.header -text [mc "Checkout Branch"] \
  22                 -font font_uibold -anchor center
  23         pack $w.header -side top -fill x
  24
  25         ${NS}::frame $w.buttons
  26         ${NS}::button $w.buttons.create -text [mc Checkout] \
  27                 -default active \
  28                 -command [cb _checkout]
  29         pack $w.buttons.create -side right
  30         ${NS}::button $w.buttons.cancel -text [mc Cancel] \
  31                 -command [list destroy $w]
  32         pack $w.buttons.cancel -side right -padx 5
  33         pack $w.buttons -side bottom -fill x -pady 10 -padx 10
  34
  35         set w_rev [::choose_rev::new $w.rev [mc Revision]]
  36         $w_rev bind_listbox <Double-Button-1> [cb _checkout]
  37         pack $w.rev -anchor nw -fill both -expand 1 -pady 5 -padx 5
  38
  39         ${NS}::labelframe $w.options -text [mc Options]
  40
  41         ${NS}::checkbutton $w.options.fetch \
  42                 -text [mc "Fetch Tracking Branch"] \
  43                 -variable @opt_fetch
  44         pack $w.options.fetch -anchor nw
  45
  46         ${NS}::checkbutton $w.options.detach \
  47                 -text [mc "Detach From Local Branch"] \
  48                 -variable @opt_detach
  49         pack $w.options.detach -anchor nw
  50
  51         pack $w.options -anchor nw -fill x -pady 5 -padx 5
  52
  53         bind $w <Visibility> [cb _visible]
  54         bind $w <Key-Escape> [list destroy $w]
  55         bind $w <Key-Return> [cb _checkout]\;break
  56         wm deiconify $w
  57         tkwait window $w
  58 }
  59
  60 method _checkout {} {
  61         set spec [$w_rev get_tracking_branch]
  62         if {$spec ne {} && $opt_fetch} {
  63                 set new {}
  64         } elseif {[catch {set new [$w_rev commit_or_die]}]} {
  65                 return
  66         }
  67
  68         if {$opt_detach} {
  69                 set ref {}
  70         } else {
  71                 set ref [$w_rev get_local_branch]
  72         }
  73
  74         set co [::checkout_op::new [$w_rev get] $new $ref]
  75         $co parent $w
  76         $co enable_checkout 1
  77         if {$spec ne {} && $opt_fetch} {
  78                 $co enable_fetch $spec
  79         }
  80
  81         if {[$co run]} {
  82                 destroy $w
  83         } else {
  84                 $w_rev focus_filter
  85         }
  86 }
  87
  88 method _visible {} {
  89         grab $w
  90         $w_rev focus_filter
  91 }
  92
  93 }