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snippets
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Make the console a snippets.Form. 

• This allows form:show() to work inside snippets running from the 
console.
 • This also prevents the console from inadvertently hijacking the 
currently open formspec.
This commit is contained in:
luk3yx 2019-08-17 12:25:16 +12:00
parent 6a4c8f3f30
commit 57e1540e62
3 changed files with 121 additions and 100 deletions
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4
README.md
View File

@ -42,6 +42,7 @@ Form methods:
- `form:show()` / `form:open()`: Displays the form.
- `form:hide()` / `form:close()`: Closes the form.
- `form:is_open()`: Returns `true` if the form is currently open.
- `form:set_prepend(formspec)`: Sets text to prepend to the formspec. This has
nothing to do with global formspec prepends.
- `form:set_formspec(formspec)`: Sets the formspec text. This does not modify
@ -56,7 +57,8 @@ Form methods:
however is only called if `fields` contains `name` (a string).
- `form.context`: Private data stored with this `form` object. Not sent to
clients.
- `form.pname`: The player name associated with this form.
- `form.pname`: The player name associated with this form. *Changing this will
not change the player the form is associated with.*
*When a form is deleted (`form=nil`) and it is not open by the client, garbage
collection will allow the internal `formname` to be reused.*

212
console.lua
View File

@ -2,42 +2,45 @@
-- Snippet console - Allows players to create and edit persistent snippets
--
local snippet_list = {}
local selected_snippet = {}
local console_code = {}
local console_text = {}
local forms = {}
minetest.register_on_leaveplayer(function(player)
local name = player:get_player_name()
if snippet_list[name] then
snippet_list[name] = nil
selected_snippet[name] = nil
console_code[name] = nil
console_text[name] = nil
end
forms[player:get_player_name()] = nil
end)
function snippets.show_console(name)
local callback
function snippets.update_console(name)
if not minetest.check_player_privs(name, 'server') then return end
if not forms[name] then
forms[name] = snippets.Form(name)
forms[name]:add_callback(callback)
forms[name].context.code = ''
end
local form = forms[name]
if not form:is_open() then form.context.text = nil end
local formspec = 'size[14,10]' ..
'label[0,0;My snippets]' ..
'textlist[0,0.5;3.5,7.4;snippetlist;#aaaaaaNew snippet'
snippet_list[name] = {}
local snippet_list = {}
form.context.snippet_list = snippet_list
for k, v in pairs(snippets.registered_snippets) do
if v.persistent then
table.insert(snippet_list[name], k)
table.insert(snippet_list, k)
end
end
table.sort(snippet_list[name])
table.sort(snippet_list)
local selected = 0
local unsaved = false
for id, snippet in ipairs(snippet_list[name]) do
local selected, unaved = 0, false
local selected_snippet = form.context.selected_snippet
for id, snippet in ipairs(snippet_list) do
formspec = formspec .. ',##' .. minetest.formspec_escape(snippet)
if snippet == selected_snippet[name] then
if snippet == selected_snippet then
selected = id
local def = snippets.registered_snippets[snippet]
if (def and def.code or '') ~= console_code[name] then
if (def and def.code or '') ~= form.context.code then
formspec = formspec .. ' (unsaved)'
end
end
@ -50,13 +53,14 @@ function snippets.show_console(name)
formspec = formspec ..
'textlist[3.9,6.01;10,4.04;ignore;'
if console_text[name] then
if #console_text[name] > 0 then
for id, msg in ipairs(console_text[name]) do
if form.context.text then
local console_text = form.context.text
if #console_text > 0 then
for id, msg in ipairs(console_text) do
if id > 1 then formspec = formspec .. ',' end
formspec = formspec .. minetest.formspec_escape(msg)
end
formspec = formspec .. ',;' .. (#console_text[name] + 1)
formspec = formspec .. ',;' .. (#console_text + 1)
else
formspec = formspec .. ';1'
end
@ -68,32 +72,38 @@ function snippets.show_console(name)
'button[3.9,5.14;10.21,0.81;run;Run]'
end
if not console_code[name] then console_code[name] = '' end
local code = minetest.formspec_escape(console_code[name])
if code == '' and console_text[name] then code = '(no code)' end
if not form.context.code then form.context.code = '' end
local code = minetest.formspec_escape(form.context.code)
if code == '' and form.context.text then code = '(no code)' end
local snippet, owner
if selected_snippet[name] then
snippet = minetest.colorize('#aaa', selected_snippet[name])
if selected_snippet then
snippet = minetest.colorize('#aaa', selected_snippet)
else
snippet = minetest.colorize('#888', 'New snippet')
end
local def = snippets.registered_snippets[selected_snippet[name]]
local def = snippets.registered_snippets[selected_snippet]
if def and def.owner then
owner = minetest.colorize('#aaa', def.owner)
elseif selected_snippet[name] then
elseif selected_snippet then
owner = minetest.colorize('#888', 'none')
else
owner = minetest.colorize('#aaa', name)
end
formspec = formspec .. ']textarea[4.2,0.4;10.2,5.31;' ..
(console_text[name] and '' or 'code') .. ';Snippet: ' ..
(form.context.text and '' or 'code') .. ';Snippet: ' ..
minetest.formspec_escape(snippet .. ', owner: ' .. owner) .. ';' ..
code .. ']'
minetest.show_formspec(name, 'snippets:console', formspec)
form:set_formspec(formspec)
end
function snippets.show_console(name)
snippets.update_console(name)
local form = forms[name]
if form then form:show() end
end
function snippets.push_console_msg(name, msg, col)
@ -101,15 +111,20 @@ function snippets.push_console_msg(name, msg, col)
col = '##'
end
if console_text[name] then
table.insert(console_text[name], col .. tostring(msg))
snippets.show_console(name)
local text = forms[name] and forms[name].context.text
if text then
table.insert(text, col .. tostring(msg))
snippets.update_console(name)
end
end
snippets.register_on_log(function(snippet, level, msg)
local owner = snippets.registered_snippets[snippet].owner
if not owner or not console_text[owner] then return end
local form = forms[owner]
if not owner or not form or not form.context.text or
not form:is_open() then
return
end
if level ~= 'none' then
msg = level:sub(1, 1):upper() .. level:sub(2) .. ': ' .. msg
end
@ -140,61 +155,57 @@ minetest.register_chatcommand('snippets', {
end,
})
minetest.register_on_player_receive_fields(function(player, formname, fields)
if formname ~= 'snippets:console' and
formname ~= 'snippets:console_save_as' then
return
end
local name = player:get_player_name()
local function saveform_callback(saveform, fields)
local name = saveform.pname
local form = forms[name]
saveform:close()
-- Sanity check
if not minetest.check_player_privs(name, 'server') then
if console_text[name] then
console_text[name] = nil
minetest.close_formspec(name, 'snippets:console')
elseif not fields.quit then
minetest.kick_player(name,
'You appear to be using a "hacked" client.')
end
return
elseif not console_code[name] then
if not minetest.check_player_privs(name, 'server') or not form then
forms[name] = nil
return
end
-- Handle "Save as"
if formname == 'snippets:console_save_as' then
if not fields.filename or fields.filename == '' then
minetest.chat_send_player(name, 'Save operation cancelled.')
snippets.show_console(name)
return
end
-- Don't overwrite non-persistent snippets
local filename = fields.filename:gsub(':', '/')
while snippets.registered_snippets[filename] and
not snippets.registered_snippets[filename].persistent do
filename = filename .. '_'
end
-- Actually save it
snippets.register_snippet(filename, {
owner = name,
code = console_code[name],
persistent = true,
})
selected_snippet[name] = filename
if not fields.filename or fields.filename == '' then
minetest.chat_send_player(name, 'Save operation cancelled.')
snippets.show_console(name)
return
end
if fields.code then console_code[name] = fields.code end
-- Don't overwrite non-persistent snippets
local filename = fields.filename:gsub(':', '/')
while snippets.registered_snippets[filename] and
not snippets.registered_snippets[filename].persistent do
filename = filename .. '_'
end
-- Actually save it
snippets.register_snippet(filename, {
owner = name,
code = form.context.code,
persistent = true,
})
form.context.selected_snippet = filename
snippets.show_console(name)
end
function callback(form, fields)
local name = form.pname
if not minetest.check_player_privs(name, 'server') then
forms[name] = nil
form:close()
end
if fields.code then
form.context.code = fields.code
end
if fields.ignore then
return
elseif fields.run then
local code = fields.code
console_text[name] = {}
form.context.text = {}
snippets.show_console(name)
if not code or code == '' then return end
local res = snippets.exec_as_player(name, code)
@ -202,35 +213,38 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
snippets.push_console_msg(name, res)
end
elseif fields.reset then
console_text[name] = nil
snippets.show_console(name)
elseif fields.snippetlist and snippet_list[name] then
form.context.text = nil
snippets.update_console(name)
elseif fields.snippetlist and form.context.snippet_list then
local event = minetest.explode_textlist_event(fields.snippetlist)
local selected = snippet_list[name][event.index - 1]
if selected_snippet[name] == selected then return end
selected_snippet[name] = selected
if console_text[name] then console_text[name] = nil end
local selected = form.context.snippet_list[event.index - 1]
if form.context.selected_snippet == selected then return end
form.context.selected_snippet = selected
form.context.text = nil
local def = snippets.registered_snippets[selected]
console_code[name] = def and def.code or ''
snippets.show_console(name)
elseif fields.save and selected_snippet[name] then
if console_code[name] == '' then
snippets.unregister_snippet(selected_snippet[name])
selected_snippet[name] = nil
form.context.code = def and def.code or ''
snippets.update_console(name)
elseif fields.save and form.context.selected_snippet then
if form.context.code == '' then
snippets.unregister_snippet(form.context.selected_snippet)
form.context.selected_snippet = nil
else
snippets.register_snippet(selected_snippet[name], {
snippets.register_snippet(form.context.selected_snippet, {
owner = name,
code = console_code[name],
code = form.context.code,
persistent = true,
})
end
snippets.show_console(name)
elseif fields.save or fields.save_as and console_code[name] ~= '' then
console_text[name] = nil
minetest.show_formspec(name, 'snippets:console_save_as',
elseif fields.save or fields.save_as and form.context.code ~= '' then
form.context.text = nil
local saveform = snippets.Form(name)
saveform:set_formspec(
'field[filename;Please enter a new snippet name.;]')
saveform:add_callback(saveform_callback)
saveform:show()
elseif fields.quit then
-- console_code[name] = nil
console_text[name] = nil
form.text = nil
end
end)
end

5
forms.lua
View File

@ -71,6 +71,11 @@ function Form:close()
end
Form.hide = Form.close
-- Check if the form is open
function Form:is_open()
return open_formspecs[get(self).victim] == self
end
-- Prepends etc
function Form:get_prepend() return get(self).prepend end
function Form:get_formspec() return get(self).formspec end