refactor ui components

ui/edit_contact.lua

@@ -0,0 +1,75 @@
+local FORMNAME = "mail:editcontact"
+
+function mail.show_edit_contact(name, contact_name, note, illegal_name_hint)
+	local formspec = [[
+			size[6,7]
+			button[4,6.25;2,0.5;back;Back]
+			field[0.25,0.5;4,1;name;Player name:;%s]
+			textarea[0.25,1.6;4,6.25;note;Note:;%s]
+			button[4,0.10;2,1;save;Save]
+		]]
+	if illegal_name_hint == "collision" then
+		formspec = formspec .. [[
+				label[4,1;That name]
+				label[4,1.5;is already in]
+				label[4,2;your contacts.]
+			]]
+	elseif illegal_name_hint == "empty" then
+		formspec = formspec .. [[
+				label[4,1;The contact]
+				label[4,1.5;name cannot]
+				label[4,2;be empty.]
+			]]
+	end
+	formspec = formspec .. mail.theme
+	formspec = string.format(formspec,
+		minetest.formspec_escape(contact_name or ""),
+		minetest.formspec_escape(note or ""))
+	minetest.show_formspec(name, FORMNAME, formspec)
+end
+
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+	if formname ~= FORMNAME then
+		return
+	end
+
+	local name = player:get_player_name()
+	local contacts = mail.getPlayerContacts(name)
+
+	if fields.save then
+		if mail.selected_idxs.contacts[name] and mail.selected_idxs.contacts[name] ~= "#NEW#" then
+			local contact = contacts[mail.selected_idxs.contacts[name]]
+			if mail.selected_idxs.contacts[name] ~= string.lower(fields.name) then
+				-- name changed!
+				if #fields.name == 0 then
+					mail.show_edit_contact(name, contact.name, fields.note, "empty")
+					return true
+
+				elseif contacts[string.lower(fields.name)] ~= nil then
+					mail.show_edit_contact(name, contact.name, fields.note, "collision")
+					return true
+
+				else
+					mail.setContact(name, contact)
+					contacts[mail.selected_idxs.contacts[name]] = nil
+				end
+			end
+			contact.name = fields.name
+			contact.note = fields.note
+			mail.setContact(name, contact)
+
+		else
+			local contact = {
+				name = fields.name,
+				note = fields.note,
+			}
+			mail.addContact(name, contact)
+		end
+		mail.show_contacts(name)
+
+	elseif fields.back then
+		mail.show_contacts(name)
+	end
+
+	return true
+end)