Files
projax/web/templates/tree_section.tmpl
mAi d5e7796cf6 feat(phase 3b filtering): full tree-page filter bar (search + chips + counts + HTMX swap)
Tree page (/) gains every navigation dimension m asked for:

- Debounced search input matching title/slug/aliases/content_md/paths
  case-insensitively (?q=…)
- Tag chip row (?tag=a,b — AND within tags, as before)
- Management chip row with ?mgmt=mai,self,external,unmanaged
  (OR within management; "unmanaged" is the synthetic empty-array case)
- Status chip row with ?status=active,done,archived (default = active;
  archived rows only surface when the separate show-archived toggle is on)
- Has-link chip row ?has=caldav-list,gitea-repo
- Each chip carries the count it would yield if toggled — honest user
  cue, computed via per-dimension recomputation in pure Go (cheap at
  m's scale)
- URL is the source of truth — every filter goes through the query
  string, so any view is bookmarkable; HTMX swaps the tree-section in
  place with hx-push-url=true on every chip click and on search keyup
- Empty-state copy with a clear-all link

Implementation:

- web/tree_filter.go new: TreeFilter struct + ParseTreeFilter +
  QueryString/URL + Toggle* helpers + Matches + applyTreeFilter
  (replacement for buildForest) + computeChipCounts.
- web/tree_filter_test.go: parse defaults + every dimension's match +
  URL round-trip + ancestor-keep semantics + chip counting.
- Linkages: linkKindsByItem on Server fans across the two has-link
  ref_types in one pass and feeds the filter.
- tree.tmpl reduced to a one-liner that calls tree-section; new
  tree_section partial powers both the initial page render and HTMX
  fragment swaps (matches the pattern from phases 2.a/b/d).

docs/design.md §4: tree-filter contract — URL keys, AND/OR rules,
count semantics, archived ergonomics.
2026-05-15 18:21:26 +02:00

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{{define "tree-section"}}
<section id="tree-section" class="tree-section">
<p class="counts">
<strong>{{.Matched}}</strong> / <strong>{{.Total}}</strong> items match
{{if .OrphanN}} · <strong>{{.OrphanN}}</strong> unclassified mai-managed roots <a href="/admin/classify">→ classify</a>{{end}}
{{if .Filter.Active}} · <a class="clear" href="/">clear filters</a>{{end}}
</p>
<section class="tagbar" id="tree-filterbar">
<form class="search" hx-get="/" hx-target="#tree-section" hx-swap="outerHTML"
hx-trigger="keyup changed delay:200ms from:input[name=q], change from:input[type=hidden]"
hx-push-url="true">
<input type="search" name="q" value="{{.Filter.Q}}" placeholder="search title, slug, content…" autocomplete="off">
{{if .Filter.Tags}}<input type="hidden" name="tag" value="{{join "," .Filter.Tags}}">{{end}}
{{if .Filter.Management}}<input type="hidden" name="mgmt" value="{{join "," .Filter.Management}}">{{end}}
{{if ne (join "," .Filter.Status) "active"}}<input type="hidden" name="status" value="{{join "," .Filter.Status}}">{{end}}
{{if .Filter.HasLinks}}<input type="hidden" name="has" value="{{join "," .Filter.HasLinks}}">{{end}}
{{if .Filter.ShowArchived}}<input type="hidden" name="show-archived" value="1">{{end}}
</form>
{{if .AllTags}}
<div class="chip-row">
<span class="muted">tag:</span>
{{range .Counts.Tags}}
<a class="tag {{if .Active}}tag-on{{end}}"
href="{{.URL}}"
hx-get="{{.URL}}" hx-target="#tree-section" hx-swap="outerHTML" hx-push-url="true">{{.Label}} <small>({{.Count}})</small></a>
{{end}}
</div>
{{end}}
<div class="chip-row">
<span class="muted">mgmt:</span>
{{range .Counts.Management}}
<a class="mgmt-chip {{if .Active}}chip-on{{end}}"
href="{{.URL}}"
hx-get="{{.URL}}" hx-target="#tree-section" hx-swap="outerHTML" hx-push-url="true">{{.Label}} <small>({{.Count}})</small></a>
{{end}}
</div>
<div class="chip-row">
<span class="muted">status:</span>
{{range .Counts.Status}}
<a class="status-chip {{if .Active}}chip-on{{end}}"
href="{{.URL}}"
hx-get="{{.URL}}" hx-target="#tree-section" hx-swap="outerHTML" hx-push-url="true">{{.Label}} <small>({{.Count}})</small></a>
{{end}}
<a class="status-chip {{if .Filter.ShowArchived}}chip-on{{end}}"
href="{{.Counts.ShowArchived.URL}}"
hx-get="{{.Counts.ShowArchived.URL}}" hx-target="#tree-section" hx-swap="outerHTML" hx-push-url="true"
title="When off, archived rows hide even when status=archived is selected">show archived <small>({{.Counts.ShowArchived.Count}})</small></a>
</div>
<div class="chip-row">
<span class="muted">has:</span>
{{range .Counts.Has}}
<a class="has-chip {{if .Active}}chip-on{{end}}"
href="{{.URL}}"
hx-get="{{.URL}}" hx-target="#tree-section" hx-swap="outerHTML" hx-push-url="true">{{.Label}} <small>({{.Count}})</small></a>
{{end}}
</div>
</section>
<section class="tree">
<ul class="forest">
{{range .Roots}}
<li class="node root">
<a href="/i/{{.Item.PrimaryPath}}">{{.Item.Title}}</a>
<span class="slug">{{.Item.PrimaryPath}}</span>
{{range .Item.Management}}<span class="mgmt mgmt-{{.}}">{{.}}</span>{{end}}
{{range .Item.Tags}}<span class="tag">{{.}}</span>{{end}}
<a class="add" href="/new?parent={{.Item.PrimaryPath}}">+</a>
{{template "children" .}}
</li>
{{else}}
<li class="empty"><em>No items match. Try fewer filters or <a href="/">clear all</a>.</em></li>
{{end}}
</ul>
</section>
</section>
{{end}}
{{define "children"}}
{{if .Children}}
<ul>
{{range .Children}}
<li class="node project">
<a href="/i/{{.Item.PrimaryPath}}">{{.Item.Title}}</a>
<span class="slug">{{.Item.PrimaryPath}}</span>
<span class="status status-{{.Item.Status}}">{{.Item.Status}}</span>
{{if gt (len .Item.Paths) 1}}<span class="muted multi-parent" title="appears under multiple parents">×{{len .Item.Paths}}</span>{{end}}
{{range .Item.Management}}<span class="mgmt mgmt-{{.}}">{{.}}</span>{{end}}
{{range .Item.Tags}}<span class="tag">{{.}}</span>{{end}}
<a class="add" href="/new?parent={{.Item.PrimaryPath}}">+</a>
{{template "children" .}}
</li>
{{end}}
</ul>
{{end}}
{{end}}