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package main
import (
log "github.com/Sirupsen/logrus"
)
// HelpBarView manages displaying help information in the help bar
type HelpBarView struct {
helpRenderer HelpRenderer
}
// ActionMessage groups a description to an action
type ActionMessage struct {
action ActionType
message string
}
// NewHelpBarView creates a new instance of the help bar view
func NewHelpBarView(helpRenderer HelpRenderer) *HelpBarView {
return &HelpBarView{
helpRenderer: helpRenderer,
}
}
// Initialise does nothing
func (helpBarView *HelpBarView) Initialise() (err error) {
return
}
// Dispose of any resources held by the view
func (helpBarView *HelpBarView) Dispose() {
}
// HandleEvent does nothing
func (helpBarView *HelpBarView) HandleEvent(event Event) (err error) {
return
}
// HandleAction does nothing
func (helpBarView *HelpBarView) HandleAction(Action) (err error) {
return
}
// OnStateChange does nothing
func (helpBarView *HelpBarView) OnStateChange(viewState ViewState) {
}
// ViewID returns the help bar view ID
func (helpBarView *HelpBarView) ViewID() ViewID {
return ViewHelpBar
}
// Render generates and writes the help view to the provided window
func (helpBarView *HelpBarView) Render(win RenderWindow) (err error) {
log.Debug("Rendering HelpBarView")
lineBuilder, err := win.LineBuilder(0, 1)
if err != nil {
return
}
lineBuilder.Append(" ")
return helpBarView.helpRenderer.RenderHelpBar(lineBuilder)
}
// RenderHelpBar does nothing
func (helpBarView *HelpBarView) RenderHelpBar(lineBuilder *LineBuilder) (err error) {
return
}
// RenderKeyBindingHelp is a helper method for views to generate key binding help
func RenderKeyBindingHelp(viewID ViewID, lineBuilder *LineBuilder, config Config, actionMessages []ActionMessage) {
viewHierarchy := ViewHierarchy{viewID, ViewAll}
for _, actionMessage := range actionMessages {
keystrings := config.KeyStrings(actionMessage.action, viewHierarchy)
if len(keystrings) > 0 {
lineBuilder.
AppendWithStyle(CmpHelpbarviewSpecial, "%v ", keystrings[len(keystrings)-1].keystring).
AppendWithStyle(CmpHelpbarviewNormal, "%v ", actionMessage.message)
}
}
}
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