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|
package components
import (
"fmt"
"github.com/gdamore/tcell/v2"
"github.com/rivo/tview"
"github.com/sirupsen/logrus"
"github.com/wagoodman/dive/runtime/ui/format"
"github.com/wagoodman/dive/runtime/ui/viewmodels"
"go.uber.org/zap"
)
type LayersViewModel interface {
SetLayerIndex(int) bool
GetPrintableLayers() []fmt.Stringer
SwitchLayerMode() error
GetMode() viewmodels.LayerCompareMode
}
type LayerList struct {
*tview.Box
bufferIndexLowerBound int
cmpIndex int
changed LayerListHandler
keyInputHandler *KeyInputHandler
LayersViewModel
}
type LayerListHandler func(index int, shortcut rune)
func NewLayerList(model LayersViewModel) *LayerList {
return &LayerList{
Box: tview.NewBox(),
cmpIndex: 0,
LayersViewModel: model,
keyInputHandler: NewKeyInputHandler(),
}
}
type LayerListViewOption func(ll *LayerList)
var AlwaysFalse = func() bool {return false}
var AlwaysTrue = func() bool {return true}
func UpLayerListBindingOption(k KeyBinding) LayerListViewOption {
return func(ll *LayerList) {
displayBinding := KeyBindingDisplay{
KeyBinding: &k,
Selected: AlwaysFalse,
Hide: AlwaysTrue,
}
ll.keyInputHandler.AddBinding(displayBinding, func() { ll.keyUp() })
}
}
func DownLayerListBindingOption(k KeyBinding) LayerListViewOption {
return func(ll *LayerList) {
displayBinding := KeyBindingDisplay{
KeyBinding: &k,
Selected: AlwaysFalse,
Hide: AlwaysTrue,
}
ll.keyInputHandler.AddBinding(displayBinding, func() { ll.keyDown() })
}
}
func PageUpLayerListBindingOption(k KeyBinding) LayerListViewOption {
return func(ll *LayerList) {
displayBinding := KeyBindingDisplay{
KeyBinding: &k,
Selected: AlwaysFalse,
Hide: AlwaysFalse,
}
ll.keyInputHandler.AddBinding(displayBinding, func() { ll.pageUp() })
}
}
func PageDownLayerListBindingOption(k KeyBinding) LayerListViewOption {
return func(ll *LayerList) {
displayBinding := KeyBindingDisplay{
KeyBinding: &k,
Selected: AlwaysFalse,
Hide: AlwaysFalse,
}
ll.keyInputHandler.AddBinding(displayBinding, func() { ll.pageDown() })
}
}
func SwitchCompareLayerListBindingOption(k KeyBinding) LayerListViewOption {
return func(ll *LayerList) {
displayBinding := KeyBindingDisplay{
KeyBinding: &k,
Selected: func() bool {return ll.GetMode() == viewmodels.CompareAllLayers},
Hide: AlwaysFalse,
}
ll.keyInputHandler.AddBinding(displayBinding, func() {
if err := ll.SwitchLayerMode(); err != nil {
logrus.Error("SwitchCompareLayers error: ", err.Error())
}
})
}
}
func (ll *LayerList) AddBindingOptions(bindingOptions ...LayerListViewOption) *LayerList {
for _, option := range bindingOptions {
option(ll)
}
return ll
}
func (ll *LayerList) Setup(config KeyBindingConfig) *LayerList {
ll.AddBindingOptions(
UpLayerListBindingOption(NewKeyBinding("Cursor Up", tcell.NewEventKey(tcell.KeyUp, rune(0), tcell.ModNone))),
UpLayerListBindingOption(NewKeyBinding("", tcell.NewEventKey(tcell.KeyLeft, rune(0), tcell.ModNone))),
DownLayerListBindingOption(NewKeyBinding("Cursor Down", tcell.NewEventKey(tcell.KeyDown, rune(0), tcell.ModNone))),
DownLayerListBindingOption(NewKeyBinding("", tcell.NewEventKey(tcell.KeyRight, rune(0), tcell.ModNone))),
)
bindingOrder := []string {
"keybinding.page-up",
"keybinding.page-down",
"keybinding.compare-all",
}
bindingSettings := map[string]func(KeyBinding) LayerListViewOption{
"keybinding.page-up": PageUpLayerListBindingOption,
"keybinding.page-down": PageDownLayerListBindingOption,
"keybinding.compare-all": SwitchCompareLayerListBindingOption,
}
for _, keybinding := range bindingOrder {
action := bindingSettings[keybinding]
binding, err := config.GetKeyBinding(keybinding)
if err != nil {
panic(fmt.Errorf("setup error for keybinding: %s: %w", keybinding, err))
// TODO handle this error
//return nil
}
ll.AddBindingOptions(action(binding))
}
return ll
}
func (ll *LayerList) GetKeyBindings() []KeyBindingDisplay {
return ll.keyInputHandler.Order
}
func (ll *LayerList) getBox() *tview.Box {
return ll.Box
}
func (ll *LayerList) getDraw() drawFn {
return ll.Draw
}
func (ll *LayerList) getInputWrapper() inputFn {
return ll.InputHandler
}
func (ll *LayerList) Draw(screen tcell.Screen) {
ll.Box.Draw(screen)
x, y, width, height := ll.Box.GetInnerRect()
compressedView := width < 25
cmpString := " "
printableLayers := ll.GetPrintableLayers()
for yIndex := 0; yIndex < height; yIndex++ {
layerIndex := ll.bufferIndexLowerBound + yIndex
if layerIndex >= len(printableLayers) {
break
}
layer := printableLayers[layerIndex]
cmpFormatter := format.Normal
lineFormatter := format.Normal
switch {
case layerIndex == ll.cmpIndex:
cmpFormatter = format.CompareTop
lineFormatter = format.Selected
case layerIndex > 0 && layerIndex < ll.cmpIndex && ll.GetMode() == viewmodels.CompareAllLayers:
cmpFormatter = format.CompareTop
case layerIndex < ll.cmpIndex:
cmpFormatter = format.CompareBottom
}
line := fmt.Sprintf("%s %s", cmpFormatter(cmpString), lineFormatter(layer.String()))
if compressedView {
line = fmt.Sprintf("%s %s", cmpFormatter(cmpString), lineFormatter(fmt.Sprintf("%d", yIndex + 1)))
}
printWidth := intMin(len(line), width)
format.PrintLine(screen, line, x, y+yIndex, printWidth, tview.AlignLeft, tcell.StyleDefault)
}
}
func (ll *LayerList) InputHandler() func(event *tcell.EventKey, setFocus func(p tview.Primitive)) {
return ll.keyInputHandler.Handle()
}
func (ll *LayerList) Focus(delegate func(p tview.Primitive)) {
ll.Box.Focus(delegate)
}
func (ll *LayerList) HasFocus() bool {
return ll.Box.HasFocus()
}
func (ll *LayerList) SetChangedFunc(handler LayerListHandler) *LayerList {
ll.changed = handler
return ll
}
func (ll *LayerList) keyUp() bool {
if ll.cmpIndex <= 0 {
return false
}
ll.cmpIndex--
if ll.cmpIndex < ll.bufferIndexLowerBound {
ll.bufferIndexLowerBound--
}
logrus.Debugln("keyUp in layers")
logrus.Debugf(" cmpIndex: %d", ll.cmpIndex)
logrus.Debugf(" bufferIndexLowerBound: %d", ll.bufferIndexLowerBound)
return ll.SetLayerIndex(ll.cmpIndex)
}
// TODO (simplify all page increments to rely an a single function)
func (ll *LayerList) keyDown() bool {
_, _, _, height := ll.Box.GetInnerRect()
visibleSize := len(ll.GetPrintableLayers())
if ll.cmpIndex+1 >= visibleSize {
return false
}
ll.cmpIndex++
if ll
|
