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{% import (
	"path"
  "strings"

  "{{{ .Package }}}/app"
  "{{{ .Package }}}/app/controller/cutil"
  "{{{ .Package }}}/app/lib/filesystem"
  "{{{ .Package }}}/app/util"
  "{{{ .Package }}}/views/components"
  "{{{ .Package }}}/views/vutil"
) %}

{% func Tree(t *filesystem.Tree, urlPrefix string, actions func(p string, n *filesystem.Node) map[string]string, as *app.State, ps *cutil.PageState) %}{% stripspace %}
  {%= vutil.Indent(true, 2) %}
  <ul class="accordion">
    {%= treeNodes(t.Nodes, "", urlPrefix, actions, as, ps, 2) %}
  {%= vutil.Indent(true, 2) %}
  </ul>
{% endstripspace %}{% endfunc %}

{% func treeNode(n *filesystem.Node, pth string, urlPrefix string, actions func(p string, n *filesystem.Node) map[string]string, as *app.State, ps *cutil.PageState, indent int) %}{% stripspace %}
  {% code
    pathID := n.Name
    if pth != "" {
      pathID = pth + "/" + pathID
    }
    pathID = strings.ReplaceAll(pathID, "/", "__")
  %}
  {%= vutil.Indent(true, indent) %}
  <li>
    {%= vutil.Indent(true, indent + 1) %}
    <input id="accordion-{%s pathID %}" type="checkbox" hidden />
    {%= vutil.Indent(true, indent + 1) %}
    <label for="accordion-{%s pathID %}">
      {%- code
        var acts map[string]string
        if actions != nil {
          acts = actions(pth, n)
        }
      -%}
      <div class="right">
        {%- if n.Size > 0 -%}
        <em>{%s util.ByteSizeSI(int64(n.Size)) %}</em>{% space %}
        {%- endif -%}
        {%- for k, v := range acts -%}
        <a href="{%s v %}">{%s k %}</a>
        {%- endfor -%}
      </div>
      {%= components.ExpandCollapse(indent + 2, ps) %}
      {%- if n.Dir -%}
      {%= components.SVGRef(`folder`, 15, 15, ``, ps) %}
      {%- else -%}
      {%= components.SVGRef(`file`, 15, 15, ``, ps) %}
      {%- endif -%}
      {% space %}{%s n.Name %}
      {%= vutil.Indent(true, indent + 1) %}
    </label>
    {%= vutil.Indent(true, indent + 1) %}
    <div class="bd"><div><div>
      {%- if len(n.Children) == 0 -%}
        {%= vutil.Indent(true, indent + 2) %}
        <div>{%s n.Name %}</div>
      {%- else -%}
        {%= vutil.Indent(true, indent + 2) %}
        <ul class="accordion" style="margin-left: {%d (indent / 3) * 6 %}px; margin-bottom: 0;">
          {%= treeNodes(n.Children, path.Join(pth, n.Name), urlPrefix, actions, as, ps, indent + 3) %}
        {%= vutil.Indent(true, indent + 2) %}
        </ul>
      {%- endif -%}
    {%= vutil.Indent(true, indent + 1) %}
    </div></div></div>
  {%= vutil.Indent(true, indent) %}
  </li>
{% endstripspace %}{% endfunc %}

{% func treeNodes(nodes filesystem.Nodes, pth string, urlPrefix string, actions func(p string, n *filesystem.Node) map[string]string, as *app.State, ps *cutil.PageState, indent int) %}{% stripspace %}
  {%- for _, n := range nodes -%}
  {%= treeNode(n, pth, urlPrefix, actions, as, ps, indent + 1) %}
  {%- endfor -%}
{% endstripspace %}{% endfunc %}