/
style.go
172 lines (147 loc) · 4.28 KB
/
style.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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
package app
import (
"fmt"
guilib "github.com/TNK-Studio/lazykube/pkg/gui"
"strings"
)
const (
resizeableViewMinHeight = 5
clusterInfoViewHeight = 2
optionViewHeight = 1
)
var (
viewHeights = map[string]int{}
functionViews = []string{clusterInfoViewName, namespaceViewName, serviceViewName, deploymentViewName, podViewName}
resizeableViews = []string{namespaceViewName, serviceViewName, deploymentViewName, podViewName}
// Function cache
reactiveHeightCache = map[string]int{}
migrateTopCache = map[string]int{}
)
func aboveViewNameFunc(_ *guilib.Gui, view *guilib.View) string {
for index, viewName := range functionViews {
if viewName == view.Name && index != 0 {
return functionViews[index-1]
}
}
return ""
}
func resizeableView(viewName string) bool {
for _, resizeableView := range resizeableViews {
if resizeableView == viewName {
return true
}
}
return false
}
func leftSideWidth(maxWidth int) int {
return maxWidth / 3
}
func usableSpace(maxHeight int) int {
usedSpace := clusterInfoViewHeight + optionViewHeight + (len(functionViews) - 1)
if maxHeight < resizeableViewMinHeight*len(resizeableViews)-usedSpace {
return maxHeight - 2
}
return maxHeight - usedSpace
}
func resizePanelHeight(gui *guilib.Gui) error {
_, maxHeight := gui.Size()
space := usableSpace(maxHeight)
n := len(resizeableViews)
viewHeights[clusterInfoViewName] = clusterInfoViewHeight
for _, resizeableView := range resizeableViews {
viewHeights[resizeableView] = space / n
}
viewHeights[optionViewName] = optionViewHeight
return nil
}
func reactiveHeight(gui *guilib.Gui, view *guilib.View) int {
var currentViewName string
currentView := gui.CurrentView()
if currentView != nil {
currentViewName = currentView.Name
}
previousViewName := gui.PeekPreviousView()
height := cacheAbleReactiveHeight(gui.MaxHeight(), resizeableViews, currentViewName, previousViewName, view.Name)
return height
}
func cacheAbleReactiveHeight(maxHeight int, resizeableViews []string, currentViewName, previousViewName, viewName string) int {
key := fmt.Sprintf("%d,[%s],%s,%s,%s", maxHeight, strings.Join(resizeableViews, ","), currentViewName, previousViewName, viewName)
cacheVal, ok := reactiveHeightCache[key]
if ok {
return cacheVal
}
var resizeView string
if currentViewName == "" {
resizeView = resizeableViews[0]
} else {
resizeView = currentViewName
}
// When cluster info 、navigation or detail panel selected.
if !resizeableView(resizeView) {
resizeView = previousViewName
// If previous view is cluster info 、navigation or detail pane.
if !resizeableView(resizeView) {
resizeView = resizeableViews[0]
}
}
n := len(resizeableViews)
height := viewHeights[viewName]
if maxHeight < heightBoundary() && resizeableView(viewName) {
if resizeView == viewName {
cacheVal = height + len(resizeableViews)
} else {
cacheVal = 2
}
} else {
if resizeView == viewName {
height += usableSpace(maxHeight) % n
}
}
cacheVal = height
reactiveHeightCache[key] = cacheVal
return cacheVal
}
func migrateTopFunc(gui *guilib.Gui, view *guilib.View) int {
var currentViewName string
currentView := gui.CurrentView()
if currentView != nil {
currentViewName = currentView.Name
}
return cacheAbleMigrateTopFunc(gui.MaxHeight(), resizeableViews, currentViewName, view.Name)
}
func cacheAbleMigrateTopFunc(maxHeight int, resizeableViews []string, currentViewName, viewName string) int {
key := fmt.Sprintf("%d,%s,%s,%s", maxHeight, strings.Join(resizeableViews, ","), currentViewName, viewName)
cacheVal, ok := migrateTopCache[key]
if ok {
return cacheVal
}
if maxHeight < heightBoundary() {
if currentViewName != "" {
if !resizeableView(viewName) {
if viewName == resizeableViews[0] {
cacheVal = 1
}
} else {
for i, viewName := range functionViews {
if currentViewName == viewName {
index := i + 1
if index < len(functionViews) && functionViews[index] == viewName {
cacheVal = 1
break
}
}
}
}
} else {
cacheVal = -1
}
}
cacheVal = 1
migrateTopCache[key] = cacheVal
return cacheVal
}
func heightBoundary() int {
usedSpace := clusterInfoViewHeight - optionViewHeight - (len(functionViews) - 1)
boundary := resizeableViewMinHeight*len(resizeableViews) - usedSpace
return boundary
}