From 28001f034e20f4b4b5294235dac81901538767bb Mon Sep 17 00:00:00 2001
From: Timur Ismagilov <bouncepaw2@ya.ru>
Date: Fri, 1 Jul 2022 22:38:44 +0500
Subject: [PATCH] Do not show impossible actions for empty hyphae

---
 views/nav.qtpl    |  21 ++--
 views/nav.qtpl.go | 284 +++++++++++++++++++++++++---------------------
 2 files changed, 167 insertions(+), 138 deletions(-)

diff --git a/views/nav.qtpl b/views/nav.qtpl
index 1885dd2..1591ace 100644
--- a/views/nav.qtpl
+++ b/views/nav.qtpl
@@ -5,8 +5,13 @@
 {% import "github.com/bouncepaw/mycorrhiza/util" %}
 {% import "github.com/bouncepaw/mycorrhiza/viewutil" %}
 
-{% func hyphaInfoEntry(h hyphae.Hypha, u *user.User, action, displayText string) %}
-{% if u.CanProceed(action) %}
+{% func hyphaInfoEntry(h hyphae.Hypha, u *user.User, action string, hasToExist bool, displayText string) %}
+{% code flag := true %}
+{% switch h.(type) %}
+{% case *hyphae.EmptyHypha %}
+	{% code flag = !hasToExist %}
+{% endswitch %}
+{% if u.CanProceed(action) && flag %}
 <li class="hypha-info__entry hypha-info__entry_{%s action %}">
 	<a class="hypha-info__link" href="/{%s action %}/{%s h.CanonicalName() %}">{%s displayText %}</a>
 </li>
@@ -21,12 +26,12 @@
 %}
 <nav class="hypha-info">
 	<ul class="hypha-info__list">
-		{%= hyphaInfoEntry(h, u, "history", lc.Get("ui.history_link")) %}
-		{%= hyphaInfoEntry(h, u, "rename", lc.Get("ui.rename_link")) %}
-		{%= hyphaInfoEntry(h, u, "delete", lc.Get("ui.delete_link")) %}
-		{%= hyphaInfoEntry(h, u, "text", lc.Get("ui.text_link")) %}
-		{%= hyphaInfoEntry(h, u, "media", lc.Get("ui.media_link")) %}
-		{%= hyphaInfoEntry(h, u, "backlinks", lc.GetPlural("ui.backlinks_link", backs)) %}
+		{%= hyphaInfoEntry(h, u, "history", false, lc.Get("ui.history_link")) %}
+		{%= hyphaInfoEntry(h, u, "rename", true, lc.Get("ui.rename_link")) %}
+		{%= hyphaInfoEntry(h, u, "delete", true, lc.Get("ui.delete_link")) %}
+		{%= hyphaInfoEntry(h, u, "text", true, lc.Get("ui.text_link")) %}
+		{%= hyphaInfoEntry(h, u, "media", true, lc.Get("ui.media_link")) %}
+		{%= hyphaInfoEntry(h, u, "backlinks", false, lc.GetPlural("ui.backlinks_link", backs)) %}
 	</ul>
 </nav>
 {% endfunc %}
diff --git a/views/nav.qtpl.go b/views/nav.qtpl.go
index 5c14894..04bc609 100644
--- a/views/nav.qtpl.go
+++ b/views/nav.qtpl.go
@@ -36,33 +36,28 @@ var (
 )
 
 //line views/nav.qtpl:8
-func streamhyphaInfoEntry(qw422016 *qt422016.Writer, h hyphae.Hypha, u *user.User, action, displayText string) {
+func streamhyphaInfoEntry(qw422016 *qt422016.Writer, h hyphae.Hypha, u *user.User, action string, hasToExist bool, displayText string) {
 //line views/nav.qtpl:8
 	qw422016.N().S(`
 `)
 //line views/nav.qtpl:9
-	if u.CanProceed(action) {
+	flag := true
+
 //line views/nav.qtpl:9
+	qw422016.N().S(`
+`)
+//line views/nav.qtpl:10
+	switch h.(type) {
+//line views/nav.qtpl:11
+	case *hyphae.EmptyHypha:
+//line views/nav.qtpl:11
+		qw422016.N().S(`
+	`)
+//line views/nav.qtpl:12
+		flag = !hasToExist
+
+//line views/nav.qtpl:12
 		qw422016.N().S(`
-<li class="hypha-info__entry hypha-info__entry_`)
-//line views/nav.qtpl:10
-		qw422016.E().S(action)
-//line views/nav.qtpl:10
-		qw422016.N().S(`">
-	<a class="hypha-info__link" href="/`)
-//line views/nav.qtpl:11
-		qw422016.E().S(action)
-//line views/nav.qtpl:11
-		qw422016.N().S(`/`)
-//line views/nav.qtpl:11
-		qw422016.E().S(h.CanonicalName())
-//line views/nav.qtpl:11
-		qw422016.N().S(`">`)
-//line views/nav.qtpl:11
-		qw422016.E().S(displayText)
-//line views/nav.qtpl:11
-		qw422016.N().S(`</a>
-</li>
 `)
 //line views/nav.qtpl:13
 	}
@@ -70,196 +65,225 @@ func streamhyphaInfoEntry(qw422016 *qt422016.Writer, h hyphae.Hypha, u *user.Use
 	qw422016.N().S(`
 `)
 //line views/nav.qtpl:14
-}
-
+	if u.CanProceed(action) && flag {
 //line views/nav.qtpl:14
-func writehyphaInfoEntry(qq422016 qtio422016.Writer, h hyphae.Hypha, u *user.User, action, displayText string) {
-//line views/nav.qtpl:14
-	qw422016 := qt422016.AcquireWriter(qq422016)
-//line views/nav.qtpl:14
-	streamhyphaInfoEntry(qw422016, h, u, action, displayText)
-//line views/nav.qtpl:14
-	qt422016.ReleaseWriter(qw422016)
-//line views/nav.qtpl:14
-}
-
-//line views/nav.qtpl:14
-func hyphaInfoEntry(h hyphae.Hypha, u *user.User, action, displayText string) string {
-//line views/nav.qtpl:14
-	qb422016 := qt422016.AcquireByteBuffer()
-//line views/nav.qtpl:14
-	writehyphaInfoEntry(qb422016, h, u, action, displayText)
-//line views/nav.qtpl:14
-	qs422016 := string(qb422016.B)
-//line views/nav.qtpl:14
-	qt422016.ReleaseByteBuffer(qb422016)
-//line views/nav.qtpl:14
-	return qs422016
-//line views/nav.qtpl:14
-}
-
+		qw422016.N().S(`
+<li class="hypha-info__entry hypha-info__entry_`)
+//line views/nav.qtpl:15
+		qw422016.E().S(action)
+//line views/nav.qtpl:15
+		qw422016.N().S(`">
+	<a class="hypha-info__link" href="/`)
 //line views/nav.qtpl:16
-func streamhyphaInfo(qw422016 *qt422016.Writer, meta viewutil.Meta, h hyphae.Hypha) {
+		qw422016.E().S(action)
 //line views/nav.qtpl:16
-	qw422016.N().S(`
+		qw422016.N().S(`/`)
+//line views/nav.qtpl:16
+		qw422016.E().S(h.CanonicalName())
+//line views/nav.qtpl:16
+		qw422016.N().S(`">`)
+//line views/nav.qtpl:16
+		qw422016.E().S(displayText)
+//line views/nav.qtpl:16
+		qw422016.N().S(`</a>
+</li>
 `)
 //line views/nav.qtpl:18
+	}
+//line views/nav.qtpl:18
+	qw422016.N().S(`
+`)
+//line views/nav.qtpl:19
+}
+
+//line views/nav.qtpl:19
+func writehyphaInfoEntry(qq422016 qtio422016.Writer, h hyphae.Hypha, u *user.User, action string, hasToExist bool, displayText string) {
+//line views/nav.qtpl:19
+	qw422016 := qt422016.AcquireWriter(qq422016)
+//line views/nav.qtpl:19
+	streamhyphaInfoEntry(qw422016, h, u, action, hasToExist, displayText)
+//line views/nav.qtpl:19
+	qt422016.ReleaseWriter(qw422016)
+//line views/nav.qtpl:19
+}
+
+//line views/nav.qtpl:19
+func hyphaInfoEntry(h hyphae.Hypha, u *user.User, action string, hasToExist bool, displayText string) string {
+//line views/nav.qtpl:19
+	qb422016 := qt422016.AcquireByteBuffer()
+//line views/nav.qtpl:19
+	writehyphaInfoEntry(qb422016, h, u, action, hasToExist, displayText)
+//line views/nav.qtpl:19
+	qs422016 := string(qb422016.B)
+//line views/nav.qtpl:19
+	qt422016.ReleaseByteBuffer(qb422016)
+//line views/nav.qtpl:19
+	return qs422016
+//line views/nav.qtpl:19
+}
+
+//line views/nav.qtpl:21
+func streamhyphaInfo(qw422016 *qt422016.Writer, meta viewutil.Meta, h hyphae.Hypha) {
+//line views/nav.qtpl:21
+	qw422016.N().S(`
+`)
+//line views/nav.qtpl:23
 	u := meta.U
 	lc := meta.Lc
 	backs := backlinks.BacklinksCount(h)
 
-//line views/nav.qtpl:21
+//line views/nav.qtpl:26
 	qw422016.N().S(`
 <nav class="hypha-info">
 	<ul class="hypha-info__list">
 		`)
-//line views/nav.qtpl:24
-	streamhyphaInfoEntry(qw422016, h, u, "history", lc.Get("ui.history_link"))
-//line views/nav.qtpl:24
-	qw422016.N().S(`
-		`)
-//line views/nav.qtpl:25
-	streamhyphaInfoEntry(qw422016, h, u, "rename", lc.Get("ui.rename_link"))
-//line views/nav.qtpl:25
-	qw422016.N().S(`
-		`)
-//line views/nav.qtpl:26
-	streamhyphaInfoEntry(qw422016, h, u, "delete", lc.Get("ui.delete_link"))
-//line views/nav.qtpl:26
-	qw422016.N().S(`
-		`)
-//line views/nav.qtpl:27
-	streamhyphaInfoEntry(qw422016, h, u, "text", lc.Get("ui.text_link"))
-//line views/nav.qtpl:27
-	qw422016.N().S(`
-		`)
-//line views/nav.qtpl:28
-	streamhyphaInfoEntry(qw422016, h, u, "media", lc.Get("ui.media_link"))
-//line views/nav.qtpl:28
-	qw422016.N().S(`
-		`)
 //line views/nav.qtpl:29
-	streamhyphaInfoEntry(qw422016, h, u, "backlinks", lc.GetPlural("ui.backlinks_link", backs))
+	streamhyphaInfoEntry(qw422016, h, u, "history", false, lc.Get("ui.history_link"))
 //line views/nav.qtpl:29
+	qw422016.N().S(`
+		`)
+//line views/nav.qtpl:30
+	streamhyphaInfoEntry(qw422016, h, u, "rename", true, lc.Get("ui.rename_link"))
+//line views/nav.qtpl:30
+	qw422016.N().S(`
+		`)
+//line views/nav.qtpl:31
+	streamhyphaInfoEntry(qw422016, h, u, "delete", true, lc.Get("ui.delete_link"))
+//line views/nav.qtpl:31
+	qw422016.N().S(`
+		`)
+//line views/nav.qtpl:32
+	streamhyphaInfoEntry(qw422016, h, u, "text", true, lc.Get("ui.text_link"))
+//line views/nav.qtpl:32
+	qw422016.N().S(`
+		`)
+//line views/nav.qtpl:33
+	streamhyphaInfoEntry(qw422016, h, u, "media", true, lc.Get("ui.media_link"))
+//line views/nav.qtpl:33
+	qw422016.N().S(`
+		`)
+//line views/nav.qtpl:34
+	streamhyphaInfoEntry(qw422016, h, u, "backlinks", false, lc.GetPlural("ui.backlinks_link", backs))
+//line views/nav.qtpl:34
 	qw422016.N().S(`
 	</ul>
 </nav>
 `)
-//line views/nav.qtpl:32
+//line views/nav.qtpl:37
 }
 
-//line views/nav.qtpl:32
+//line views/nav.qtpl:37
 func writehyphaInfo(qq422016 qtio422016.Writer, meta viewutil.Meta, h hyphae.Hypha) {
-//line views/nav.qtpl:32
+//line views/nav.qtpl:37
 	qw422016 := qt422016.AcquireWriter(qq422016)
-//line views/nav.qtpl:32
+//line views/nav.qtpl:37
 	streamhyphaInfo(qw422016, meta, h)
-//line views/nav.qtpl:32
+//line views/nav.qtpl:37
 	qt422016.ReleaseWriter(qw422016)
-//line views/nav.qtpl:32
+//line views/nav.qtpl:37
 }
 
-//line views/nav.qtpl:32
+//line views/nav.qtpl:37
 func hyphaInfo(meta viewutil.Meta, h hyphae.Hypha) string {
-//line views/nav.qtpl:32
+//line views/nav.qtpl:37
 	qb422016 := qt422016.AcquireByteBuffer()
-//line views/nav.qtpl:32
+//line views/nav.qtpl:37
 	writehyphaInfo(qb422016, meta, h)
-//line views/nav.qtpl:32
+//line views/nav.qtpl:37
 	qs422016 := string(qb422016.B)
-//line views/nav.qtpl:32
+//line views/nav.qtpl:37
 	qt422016.ReleaseByteBuffer(qb422016)
-//line views/nav.qtpl:32
+//line views/nav.qtpl:37
 	return qs422016
-//line views/nav.qtpl:32
+//line views/nav.qtpl:37
 }
 
-//line views/nav.qtpl:34
+//line views/nav.qtpl:39
 func streamcommonScripts(qw422016 *qt422016.Writer) {
-//line views/nav.qtpl:34
+//line views/nav.qtpl:39
 	qw422016.N().S(`
 `)
-//line views/nav.qtpl:35
+//line views/nav.qtpl:40
 	for _, scriptPath := range cfg.CommonScripts {
-//line views/nav.qtpl:35
+//line views/nav.qtpl:40
 		qw422016.N().S(`
 <script src="`)
-//line views/nav.qtpl:36
+//line views/nav.qtpl:41
 		qw422016.E().S(scriptPath)
-//line views/nav.qtpl:36
+//line views/nav.qtpl:41
 		qw422016.N().S(`"></script>
 `)
-//line views/nav.qtpl:37
+//line views/nav.qtpl:42
 	}
-//line views/nav.qtpl:37
+//line views/nav.qtpl:42
 	qw422016.N().S(`
 `)
-//line views/nav.qtpl:38
+//line views/nav.qtpl:43
 }
 
-//line views/nav.qtpl:38
+//line views/nav.qtpl:43
 func writecommonScripts(qq422016 qtio422016.Writer) {
-//line views/nav.qtpl:38
+//line views/nav.qtpl:43
 	qw422016 := qt422016.AcquireWriter(qq422016)
-//line views/nav.qtpl:38
+//line views/nav.qtpl:43
 	streamcommonScripts(qw422016)
-//line views/nav.qtpl:38
+//line views/nav.qtpl:43
 	qt422016.ReleaseWriter(qw422016)
-//line views/nav.qtpl:38
+//line views/nav.qtpl:43
 }
 
-//line views/nav.qtpl:38
+//line views/nav.qtpl:43
 func commonScripts() string {
-//line views/nav.qtpl:38
+//line views/nav.qtpl:43
 	qb422016 := qt422016.AcquireByteBuffer()
-//line views/nav.qtpl:38
+//line views/nav.qtpl:43
 	writecommonScripts(qb422016)
-//line views/nav.qtpl:38
+//line views/nav.qtpl:43
 	qs422016 := string(qb422016.B)
-//line views/nav.qtpl:38
+//line views/nav.qtpl:43
 	qt422016.ReleaseByteBuffer(qb422016)
-//line views/nav.qtpl:38
+//line views/nav.qtpl:43
 	return qs422016
-//line views/nav.qtpl:38
+//line views/nav.qtpl:43
 }
 
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 func streambeautifulLink(qw422016 *qt422016.Writer, hyphaName string) {
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 	qw422016.N().S(`<a href="/hypha/`)
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 	qw422016.N().S(hyphaName)
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 	qw422016.N().S(`">`)
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 	qw422016.E().S(util.BeautifulName(hyphaName))
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 	qw422016.N().S(`</a>`)
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 }
 
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 func writebeautifulLink(qq422016 qtio422016.Writer, hyphaName string) {
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 	qw422016 := qt422016.AcquireWriter(qq422016)
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 	streambeautifulLink(qw422016, hyphaName)
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 	qt422016.ReleaseWriter(qw422016)
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 }
 
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 func beautifulLink(hyphaName string) string {
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 	qb422016 := qt422016.AcquireByteBuffer()
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 	writebeautifulLink(qb422016, hyphaName)
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 	qs422016 := string(qb422016.B)
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 	qt422016.ReleaseByteBuffer(qb422016)
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 	return qs422016
-//line views/nav.qtpl:40
+//line views/nav.qtpl:45
 }