From 24b924bfe493fb8b375fcd3ffc8ce6edf867f427 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jo@mein.io>
Date: Wed, 18 Jul 2018 11:36:53 +0200
Subject: [PATCH] luci-base: rework simpleform template

- Ensure that pressing enter in the form triggers the submit action and
  not a cbi skip or cancel
- Hide page actions when empty
- Cleanup code

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(cherry picked from commit bc562294b9a5a2867b8b6e1cb21d9a2d4a2b8b59)
---
 .../luci-base/luasrc/view/cbi/simpleform.htm  | 122 +++++++++++-------
 1 file changed, 72 insertions(+), 50 deletions(-)

diff --git a/modules/luci-base/luasrc/view/cbi/simpleform.htm b/modules/luci-base/luasrc/view/cbi/simpleform.htm
index 5069e9f40..3e10724ec 100644
--- a/modules/luci-base/luasrc/view/cbi/simpleform.htm
+++ b/modules/luci-base/luasrc/view/cbi/simpleform.htm
@@ -1,55 +1,77 @@
-<% if not self.embedded then %>
-<form method="post" enctype="multipart/form-data" action="<%=REQUEST_URI%>">
-	<div>
-		<input type="hidden" name="token" value="<%=token%>" />
-		<input type="hidden" name="cbi.submit" value="1" />
-	</div>
-<% end %>
-	<div class="cbi-map" id="cbi-<%=self.config%>">
-		<% if self.title and #self.title > 0 then %><h2 name="content"><%=self.title%></h2><% end %>
-		<% if self.description and #self.description > 0 then %><div class="cbi-map-descr"><%=self.description%></div><% end %>
-		<% self:render_children() %>
-	</div>
-<%- if self.message then %>
-	<div><%=self.message%></div>
-<%- end %>
-<%- if self.errmessage then %>
-	<div class="error"><%=self.errmessage%></div>
-<%- end %>
-<% if not self.embedded then %>
-	<div class="cbi-page-actions">
-<%-
-	if type(self.hidden) == "table" then
-		for k, v in pairs(self.hidden) do
--%>
-	<input type="hidden" id="<%=k%>" name="<%=k%>" value="<%=pcdata(v)%>" />
-<%-
+<%
+	if not self.embedded then
+		%><form method="post" enctype="multipart/form-data" action="<%=REQUEST_URI%>">
+			<input type="hidden" name="token" value="<%=token%>" />
+			<input type="hidden" name="cbi.submit" value="1" /><%
+	end
+
+	%><div class="cbi-map" id="cbi-<%=self.config%>"><%
+
+	if self.title and #self.title > 0 then
+		%><h2 name="content"><%=self.title%></h2><%
+	end
+
+	if self.description and #self.description > 0 then
+		%><div class="cbi-map-descr"><%=self.description%></div><%
+	end
+
+	self:render_children()
+
+	%></div><%
+
+	if self.message then
+		%><div class="alert-message notice"><%=self.message%></div><%
+	end
+
+	if self.errmessage then
+		%><div class="alert-message warning"><%=self.errmessage%></div><%
+	end
+
+	if not self.embedded then
+		if type(self.hidden) == "table" then
+			local k, v
+			for k, v in pairs(self.hidden) do
+				%><input type="hidden" id="<%=k%>" name="<%=k%>" value="<%=pcdata(v)%>" /><%
+			end
 		end
+
+		local display_back   = (redirect)
+		local display_cancel = (self.cancel ~= false and self.on_cancel)
+		local display_skip   = (self.flow and self.flow.skip)
+		local display_submit = (self.submit ~= false)
+		local display_reset  = (self.reset ~= false)
+
+		if display_back or display_cancel or display_skip or display_submit or display_reset then
+			%><div class="cbi-page-actions"><%
+
+			if display_back then
+				%><input class="cbi-button cbi-button-link" type="button" value="<%:Back to Overview%>" onclick="location.href='<%=pcdata(redirect)%>'" /> <%
+			end
+
+			if display_cancel then
+				local label = pcdata(self.cancel or translate("Cancel"))
+				%><input class="cbi-button cbi-button-link" type="button" value="<%=label%>" onclick="cbi_submit(this, 'cbi.cancel')" /> <%
+			end
+
+			if display_skip then
+				%><input class="cbi-button cbi-button-neutral" type="button" value="<%:Skip%>" onclick="cbi_submit(this, 'cbi.skip')" /> <%
+			end
+
+			if display_submit then
+				local label = pcdata(self.submit or translate("Submit"))
+				%><input class="cbi-button cbi-button-save" type="submit" value="<%=label%>" /> <%
+			end
+
+			if display_reset then
+				local label = pcdata(self.reset or translate("Reset"))
+				%><input class="cbi-button cbi-button-reset" type="reset" value="<%=label%>" /> <%
+			end
+
+			%></div><%
+		end
+
+		%></form><%
 	end
 %>
-<% if redirect then %>
-	<input class="cbi-button cbi-button-link" type="button" value="<%:Back to Overview%>" onclick="location.href='<%=pcdata(redirect)%>'" />
-<% end %>
-<%- if self.cancel ~= false and self.on_cancel then %>
-	<input class="cbi-button cbi-button-link" type="submit" name="cbi.cancel" value="
-		<%- if not self.cancel then -%><%-:Cancel-%><%-else-%><%=self.cancel%><%end-%>
-	" />
-<% end %>
-<%- if self.flow and self.flow.skip then %>
-	<input class="cbi-button cbi-button-skip" type="submit" name="cbi.skip" value="<%:Skip%>" />
-<% end %>
-<%- if self.submit ~= false then %>
-	<input class="cbi-button cbi-button-save" type="submit" value="
-		<%- if not self.submit then -%><%-:Submit-%><%-else-%><%=self.submit%><%end-%>
-	" />
-<% end %>
-<%- if self.reset ~= false then %>
-	<input class="cbi-button cbi-button-reset" type="reset" value="
-		<%- if not self.reset then -%><%-:Reset-%><%-else-%><%=self.reset%><%end-%>
-	" />
-<% end %>
-	</div>
-</form>
-<% end %>
 
 <script type="text/javascript">cbi_init();</script>
-- 
2.25.1