/
options.go
115 lines (98 loc) · 2.98 KB
/
options.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
// Copyright 2021 Qingshan Luo <edoger@qq.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package internal
import (
"fmt"
"sync/atomic"
"github.com/c-bata/go-prompt"
)
var DefaultConsoleParserWrapper = NewConsoleParserWrapper()
var KeyHandlers = map[prompt.Key]prompt.KeyBindFunc{
prompt.Enter: DoEnter,
prompt.ControlM: DoEnter,
prompt.ControlJ: DoEnter,
prompt.PageUp: DoPrevPage,
prompt.PageDown: DoNextPage,
prompt.Home: DoFirstPage,
prompt.End: DoLastPage,
}
func DoEnter(*prompt.Buffer) {
Cfg.ShowSummary()
}
func DoPrevPage(*prompt.Buffer) {
Cfg.PrevPage()
Cfg.ShowSummary()
}
func DoNextPage(*prompt.Buffer) {
Cfg.NextPage()
Cfg.ShowSummary()
}
func DoFirstPage(*prompt.Buffer) {
Cfg.Page = 1
Cfg.ShowSummary()
}
func DoLastPage(*prompt.Buffer) {
Cfg.Page = 1
Cfg.PrevPage()
Cfg.ShowSummary()
}
func DoMakeLivePrefix() (string, bool) {
if Cfg.Group != "" {
return fmt.Sprintf("j2 [%s] >> ", Cfg.Group), true
}
return "", false
}
func Options() []prompt.Option {
binds := make([]prompt.KeyBind, 0, len(KeyHandlers))
for key, fn := range KeyHandlers {
binds = append(binds, prompt.KeyBind{Key: key, Fn: fn})
}
return []prompt.Option{
prompt.OptionTitle("J2 - A Micro Remote Server Management Client"),
prompt.OptionPrefix("j2 >> "),
prompt.OptionAddKeyBind(binds...),
prompt.OptionPrefixTextColor(prompt.Blue),
prompt.OptionPrefixBackgroundColor(prompt.DefaultColor),
prompt.OptionSuggestionTextColor(prompt.Brown),
prompt.OptionSuggestionBGColor(prompt.DefaultColor),
prompt.OptionSelectedSuggestionTextColor(prompt.Red),
prompt.OptionSelectedSuggestionBGColor(prompt.Yellow),
prompt.OptionDescriptionTextColor(prompt.Cyan),
prompt.OptionDescriptionBGColor(prompt.DefaultColor),
prompt.OptionSelectedDescriptionTextColor(prompt.Fuchsia),
prompt.OptionSelectedDescriptionBGColor(prompt.Yellow),
prompt.OptionCompletionOnDown(),
prompt.OptionLivePrefix(DoMakeLivePrefix),
prompt.OptionParser(DefaultConsoleParserWrapper),
}
}
type ConsoleParserWrapper struct {
prompt.ConsoleParser
status int64
}
func NewConsoleParserWrapper() prompt.ConsoleParser {
return &ConsoleParserWrapper{ConsoleParser: prompt.NewStandardInputParser()}
}
func (w *ConsoleParserWrapper) Setup() error {
if atomic.CompareAndSwapInt64(&w.status, 0, 1) {
return w.ConsoleParser.Setup()
}
return nil
}
func (w *ConsoleParserWrapper) TearDown() error {
if atomic.CompareAndSwapInt64(&w.status, 1, 0) {
return w.ConsoleParser.TearDown()
}
return nil
}