git-gui: Refactor the delete branch dialog to use class system
[git/git.git] / lib / branch_delete.tcl
1 # git-gui branch delete support
2 # Copyright (C) 2007 Shawn Pearce
3
4 class branch_delete {
5
6 field w ; # widget path
7 field w_heads ; # listbox of local head names
8 field w_check ; # revision picker for merge test
9 field w_delete ; # delete button
10
11 constructor dialog {} {
12 global all_heads current_branch
13
14 make_toplevel top w
15 wm title $top "[appname] ([reponame]): Delete Branch"
16 if {$top ne {.}} {
17 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
18 }
19
20 label $w.header -text {Delete Local Branch} -font font_uibold
21 pack $w.header -side top -fill x
22
23 frame $w.buttons
24 set w_delete $w.buttons.delete
25 button $w_delete \
26 -text Delete \
27 -default active \
28 -state disabled \
29 -command [cb _delete]
30 pack $w_delete -side right
31 button $w.buttons.cancel \
32 -text {Cancel} \
33 -command [list destroy $w]
34 pack $w.buttons.cancel -side right -padx 5
35 pack $w.buttons -side bottom -fill x -pady 10 -padx 10
36
37 labelframe $w.list -text {Local Branches}
38 set w_heads $w.list.l
39 listbox $w_heads \
40 -height 10 \
41 -width 70 \
42 -selectmode extended \
43 -yscrollcommand [list $w.list.sby set]
44 scrollbar $w.list.sby -command [list $w.list.l yview]
45 pack $w.list.sby -side right -fill y
46 pack $w.list.l -side left -fill both -expand 1
47 pack $w.list -fill both -expand 1 -pady 5 -padx 5
48
49 set w_check [choose_rev::new \
50 $w.check \
51 {Delete Only If Merged Into} \
52 ]
53 $w_check none {Always (Do not perform merge test.)}
54 pack $w.check -anchor nw -fill x -pady 5 -padx 5
55
56 foreach h $all_heads {
57 if {$h ne $current_branch} {
58 $w_heads insert end $h
59 }
60 }
61
62 bind $w_heads <<ListboxSelect>> [cb _select]
63 bind $w <Visibility> "
64 grab $w
65 focus $w
66 "
67 bind $w <Key-Escape> [list destroy $w]
68 bind $w <Key-Return> [cb _delete]\;break
69 tkwait window $w
70 }
71
72 method _select {} {
73 if {[$w_heads curselection] eq {}} {
74 $w_delete configure -state disabled
75 } else {
76 $w_delete configure -state normal
77 }
78 }
79
80 method _delete {} {
81 global all_heads
82
83 if {[catch {set check_cmt [$w_check get_commit]} err]} {
84 tk_messageBox \
85 -icon error \
86 -type ok \
87 -title [wm title $w] \
88 -parent $w \
89 -message "Invalid revision: [$w_check get]"
90 return
91 }
92
93 set to_delete [list]
94 set not_merged [list]
95 foreach i [$w_heads curselection] {
96 set b [$w_heads get $i]
97 if {[catch {
98 set o [git rev-parse --verify "refs/heads/$b"]
99 }]} continue
100 if {$check_cmt ne {}} {
101 if {[catch {set m [git merge-base $o $check_cmt]}]} continue
102 if {$o ne $m} {
103 lappend not_merged $b
104 continue
105 }
106 }
107 lappend to_delete [list $b $o]
108 }
109 if {$not_merged ne {}} {
110 set msg "The following branches are not completely merged into [$w_check get]:
111
112 - [join $not_merged "\n - "]"
113 tk_messageBox \
114 -icon info \
115 -type ok \
116 -title [wm title $w] \
117 -parent $w \
118 -message $msg
119 }
120 if {$to_delete eq {}} return
121 if {$check_cmt eq {}} {
122 set msg {Recovering deleted branches is difficult.
123
124 Delete the selected branches?}
125 if {[tk_messageBox \
126 -icon warning \
127 -type yesno \
128 -title [wm title $w] \
129 -parent $w \
130 -message $msg] ne yes} {
131 return
132 }
133 }
134
135 set failed {}
136 foreach i $to_delete {
137 set b [lindex $i 0]
138 set o [lindex $i 1]
139 if {[catch {git update-ref -d "refs/heads/$b" $o} err]} {
140 append failed " - $b: $err\n"
141 } else {
142 set x [lsearch -sorted -exact $all_heads $b]
143 if {$x >= 0} {
144 set all_heads [lreplace $all_heads $x $x]
145 }
146 }
147 }
148
149 if {$failed ne {}} {
150 tk_messageBox \
151 -icon error \
152 -type ok \
153 -title [wm title $w] \
154 -parent $w \
155 -message "Failed to delete branches:\n$failed"
156 }
157
158 set all_heads [lsort $all_heads]
159 populate_branch_menu
160 destroy $w
161 }
162
163 }