lerko
4517b2e37c
CI / test (pull_request) Successful in 2m25s
Link picker now shows both outgoing [[links]] and backlinks in a unified list with section headers. Backlinks follow by entity ID directly, outgoing links resolve by text. Navigating into a backlink works the same as following an outgoing link — pushes to nav stack, esc pops back.
109 lines
2.2 KiB
Go
109 lines
2.2 KiB
Go
package tui
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import (
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"strings"
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"github.com/lerko/nib/internal/db"
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"github.com/lerko/nib/internal/link"
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)
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type linkKind int
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const (
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linkOutgoing linkKind = iota
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linkBacklink
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)
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type linkItem struct {
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text string
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entityID string
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kind linkKind
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}
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type linkPickerModel struct {
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items []linkItem
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cursor int
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}
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func newLinkPicker(body string, backlinks []db.Backlink) linkPickerModel {
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var items []linkItem
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for _, lt := range link.ExtractLinks(body) {
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items = append(items, linkItem{text: lt, kind: linkOutgoing})
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}
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for _, bl := range backlinks {
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label := bl.Body
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if bl.Title != nil {
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label = *bl.Title
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} else if len(label) > 50 {
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label = label[:50] + "…"
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}
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items = append(items, linkItem{text: label, entityID: bl.EntityID, kind: linkBacklink})
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}
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return linkPickerModel{items: items}
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}
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func (lp linkPickerModel) selected() linkItem {
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if len(lp.items) == 0 || lp.cursor >= len(lp.items) {
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return linkItem{}
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}
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return lp.items[lp.cursor]
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}
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func (lp linkPickerModel) update(key string) linkPickerModel {
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switch key {
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case "up", "k":
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if lp.cursor > 0 {
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lp.cursor--
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}
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case "down", "j":
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if lp.cursor < len(lp.items)-1 {
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lp.cursor++
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}
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}
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return lp
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}
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func (lp linkPickerModel) view(width int) string {
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var b strings.Builder
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b.WriteString(titleStyle.Render("follow link") + "\n\n")
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if len(lp.items) == 0 {
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b.WriteString(hintDescStyle.Render(" no links or backlinks"))
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b.WriteString("\n\n")
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b.WriteString(helpStyle.Render("esc:back"))
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return b.String()
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}
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prevKind := linkKind(-1)
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for i, item := range lp.items {
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if item.kind != prevKind {
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if item.kind == linkOutgoing {
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b.WriteString(dateHeaderStyle.Render("── outgoing ──") + "\n")
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} else {
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b.WriteString(dateHeaderStyle.Render("── backlinks ──") + "\n")
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}
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prevKind = item.kind
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}
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var label string
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if item.kind == linkOutgoing {
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label = "[[" + item.text + "]]"
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} else {
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label = "← " + item.text
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}
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if i == lp.cursor {
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b.WriteString(selectedItemStyle.Render(" " + label))
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} else {
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b.WriteString(listItemStyle.Render(label))
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}
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b.WriteString("\n")
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}
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b.WriteString("\n")
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b.WriteString(helpStyle.Render("enter:follow esc:back"))
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return b.String()
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}
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