From 785ae94e65ba7515cec86e8ff31c7db899db211e Mon Sep 17 00:00:00 2001
From: cora <email@example.com>
Date: Sun, 5 Sep 2021 02:50:11 +0200
Subject: [PATCH] nlist: add missing forms.lua

---
 clientmods/nlist/forms.lua | 108 +++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 clientmods/nlist/forms.lua

diff --git a/clientmods/nlist/forms.lua b/clientmods/nlist/forms.lua
new file mode 100644
index 000000000..32d9f58ac
--- /dev/null
+++ b/clientmods/nlist/forms.lua
@@ -0,0 +1,108 @@
+local selected_name = false
+local formspec_list = {}
+function ws.display_list_formspec(fname,list,funcs)
+    funcs={}
+    local formspec = 'size[6.25,9]' ..
+                     'label[0,0;NodeLists]' ..
+                     'button_exit[0,7.5;1,0.5;display;Show]' ..
+                     'button[3.625,7.5;1.3,0.5;rename;Rename]' ..
+                     'button[4.9375,7.5;1.3,0.5;delete;Delete]'
+    local sp=0
+    
+    for k,v in pairs(funcs) do
+        formspec=formspec..'button_exit['..sp..',8.5;1,0.5;'..v.name..';'..v.name..']'
+        sp=sp+0.8
+    end
+
+    formspec=formspec..'textlist[0,0.75;6,6;marker;'
+    local selected = 1
+    formspec_list = {}
+    if not list then list={} end
+    for id, name in ipairs(list) do
+        if id > 1 then
+            formspec = formspec .. ','
+        end
+        if not selected_name then
+            selected_name = name
+        end
+        if name == selected_name then
+            selected = id
+        end
+        formspec_list[#formspec_list + 1] = name
+        formspec = formspec .. '##' .. minetest.formspec_escape(name)
+    end
+
+    formspec = formspec .. ';' .. tostring(selected) .. ']'
+
+    if selected_name then
+        local val=list[selected]
+        if val then
+            formspec = formspec .. 'label[0,6.75;' .. selected_name .. ']'
+        end
+    else
+        formspec = formspec .. 'button_exit[0,7.5;5.25,0.5;quit;Close dialog]' ..
+            'label[0,6.75;No Entries.]'
+    end
+
+    return minetest.show_formspec(fname, formspec)
+end
+
+minetest.register_on_formspec_input(function(formname, fields)
+    local fname="NodeLists"
+    if formname == 'NodeLists-ignore' then
+        return true
+    elseif formname ~= "NodeLists" then
+        return
+    end
+    local name = selected_name
+
+    if name then
+        for k,v in pairs(autofly.registered_transports) do
+            if fields[v.name] then
+                if not v.func(autofly.get_waypoint(name),name) then
+                    minetest.display_chat_message('Error with '..v.name)
+                end
+            end
+        end
+        if fields.display then
+            if not autofly.display_waypoint(name) then
+                minetest.display_chat_message('Error displaying waypoint!')
+            end
+        elseif fields.rename then
+            minetest.show_formspec(fname, 'size[6,3]' ..
+                'label[0.35,0.2;Rename waypoint]' ..
+                'field[0.3,1.3;6,1;new_name;New name;' ..
+                minetest.formspec_escape(name) .. ']' ..
+                'button[0,2;3,1;cancel;Cancel]' ..
+                'button[3,2;3,1;rename_confirm;Rename]')
+        elseif fields.rename_confirm then
+            if fields.new_name and #fields.new_name > 0 then
+                if nlist.rename(name, fields.new_name) then
+                    selected_name = fields.new_name
+                else
+                    minetest.display_chat_message('Error renaming!')
+                end
+                ws.display_list_formspec()
+            else
+                minetest.display_chat_message('Please enter a new name for the entry.')
+            end
+        elseif fields.delete then
+            minetest.show_formspec(fname, 'size[6,2]' ..
+                'label[0.35,0.25;Are you sure you want to delete this waypoint?]' ..
+                'button[0,1;3,1;cancel;Cancel]' ..
+                'button[3,1;3,1;delete_confirm;Delete]')
+        elseif fields.delete_confirm then
+            autofly.delete_waypoint(name)
+            selected_name = false
+            ws.display_list_formspec()
+        elseif fields.cancel then
+            ws.display_list_formspec()
+        elseif name ~= selected_name then
+            selected_name = name
+            ws.display_list_formspec()
+        end
+    elseif fields.display or fields.delete then
+        minetest.display_chat_message('Please select a waypoint.')
+    end
+    return true
+end)
\ No newline at end of file