aux-addon-ClassicAPI/completion.lua

local m = {}
Aux.completion = m

do
	local sorted_item_names
	function m.sorted_item_names()
		if not sorted_item_names then
			sorted_item_names = {}
			for _, item_info in ipairs(Aux.static.items()) do
				tinsert(sorted_item_names, item_info.name)
			end
			sort(sorted_item_names, function(a, b) return strlen(a) < strlen(b) or (strlen(a) == strlen(b) and a < b) end)
		end
		return sorted_item_names
	end
end

function m:complete()
	if IsControlKeyDown() then -- TODO problem is ctrl-v, maybe find a better solution
		return
	end

	local filter_string = this:GetText()

	local completed_filter_string = ({strfind(filter_string, '([^;]*)/[^/;]*$')})[3]
	local _, suggestions = Aux.scan_util.filter_from_string(completed_filter_string or '')

	local start_index, _, current_modifier = strfind(filter_string, '([^/;]*)$')
	current_modifier = current_modifier or ''

	for _, suggestion in ipairs(suggestions) do
		if string.sub(strupper(suggestion), 1, strlen(current_modifier)) == strupper(current_modifier) then
			this:SetText(strlower(string.sub(filter_string, 1, start_index - 1).. suggestion))
			this:HighlightText(strlen(filter_string), -1)
			return
		end
	end
end

function m:complete_item()
	if IsControlKeyDown() then -- TODO problem is ctrl-v, maybe find a better solution
	return
	end

	local text = this:GetText()

	for _, item_name in ipairs(m.sorted_item_names()) do
		if string.sub(strupper(item_name), 1, strlen(text)) == strupper(text) then
			this:SetText(strlower(item_name))
			this:HighlightText(strlen(text), -1)
			return
		end
	end
end

--local NUM_MATCHES = 5
--
--local fuzzy, generate_suggestions
--
--function fuzzy(input)
--	local uppercase_input = strupper(input)
--	local pattern = '(.*)'
--	for i=1,strlen(uppercase_input) do
--		if strfind(string.sub(uppercase_input, i, i), '%w') or strfind(string.sub(uppercase_input, i, i), '%s') then
--			pattern = pattern .. string.sub(uppercase_input, i, i) .. '(.*)'
--		end
--	end
--	return function(item_name)
--		local match = { string.find(strupper(item_name), pattern) }
--		if match[1] then
--			local rating = 0
--			for i=4,getn(match)-1 do
--				if strlen(match[i]) == 0 then
--					rating = rating + 1
--				end
--			end
--			return rating
--		end
--	end
--end
--
--function generate_suggestions(input)
--	local matcher = fuzzy(input)
--	function fuzzy_sort(array)
--		sort(array, function(a, b) return strlen(a.name) < strlen(b.name) end)
--		sort(array, function(a, b) return b.rating < a.rating end)
--		return array
--	end
--
--	local best = {}
--	for _, id in ipairs(Aux.static.item_ids()) do
--		local item_info = Aux.static.item_info(id)
--		local rating = matcher(item_info.name)
--		if rating then
--			local candidate = { name=item_info.name, id=item_info.id, rating=rating }
--			if getn(best) < NUM_MATCHES then
--				tinsert(best, candidate)
--				fuzzy_sort(best)
--			else
--				best[getn(best)] = fuzzy_sort({ best[getn(best)], candidate })[1]
--				fuzzy_sort(best)
--			end
--		end
--	end
--
--	return Aux.util.map(best, function(match) return { text=match.name, display_text='|c'..Aux.quality_color(Aux.static.item_info(match.id).quality)..'['..match.name..']'..'|r', value=match.id } end)
--end
--
--function public.completor(edit_box)
--	local self = {}
--
--	local suggestions = {}
--	local index = 0
--	local input
--	local quietly_set_text
--
--	local fill_dropdown, update_dropdown, update_highlighting
--
--	function fill_dropdown()
--		for _, suggestion in ipairs(suggestions) do
--            local text = suggestion.text
--			UIDropDownMenu_AddButton{
--				text = suggestion.display_text,
--				value = suggestion.value,
--				notCheckable = true,
--				func = function()
--					self.set_quietly(text)
--				end,
--			}
--		end
--	end
--
--	function update_dropdown()
--		function toggle()
--			ToggleDropDownMenu(1, nil, AuxCompletionDropDown, edit_box, -12, 4)
--		end
--
--		if DropDownList1:IsVisible() then
--			toggle()
--		end
--		toggle()
--	end
--
--	function update_highlighting()
--		for i=1,32 do
--			local highlight = getglobal('DropDownList1Button' .. i .. 'Highlight')
--			if i == index then
--				highlight:Show()
--			else
--				highlight:Hide()
--			end
--		end
--	end
--
--	function self.close()
--		CloseDropDownMenus(1)
--	end
--
--	function self.set_quietly(text)
--		quietly_set_text = text
--		edit_box:SetText(text)
--	end
--
--	function self.open()
--		local _, owner = DropDownList1:GetPoint()
--		return DropDownList1:IsVisible() and owner == edit_box
--	end
--
--	function self.suggest()
--		local new_input = edit_box:GetText()
--		if new_input == quietly_set_text then
--			quietly_set_text = nil
--			return
--		end
--		quietly_set_text = nil
--
--		input = new_input
--		index = 0
--		update_highlighting()
--
--		if input == '' then
--			suggestions = {}
--		else
--			suggestions = generate_suggestions(input)
--			UIDropDownMenu_Initialize(AuxCompletionDropDown, function() fill_dropdown() end)
--		end
--
--		update_dropdown()
--	end
--
--	function self.next()
--		update_dropdown()
--		if getn(suggestions) > 0 then
--			index = index > 0 and mod(index + 1, getn(suggestions) + 1) or 1
--			update_highlighting()
--			if index == 0 then
--				self.set_quietly(input)
--			else
--				self.set_quietly(suggestions[index].text)
--            end
--		end
--	end
--
--	function self.previous()
--		update_dropdown()
--		if getn(suggestions) > 0 then
--			index = index > 0 and index - 1 or getn(suggestions)
--			update_highlighting()
--			if index == 0 then
--				self.set_quietly(input)
--			else
--				self.set_quietly(suggestions[index].text)
--			end
--		end
--	end
--
--	return self
--end
--
--function public.selector(edit_box, on_click)
--    local self = {}
--
--    local suggestions = {}
--    local index = 0
--    local input
--
--    local fill_dropdown, update_dropdown, update_highlighting
--
--    function fill_dropdown()
--        for i, suggestion in ipairs(suggestions) do
--            local text = suggestion.text
--            UIDropDownMenu_AddButton{
--                text = suggestion.display_text,
--                value = i,
--                notCheckable = true,
--                func = function()
--                    index = this.value
--                    if on_click then
--						on_click()
--					end
--                end,
--            }
--        end
--    end
--
--    function update_dropdown()
--        function toggle()
--            ToggleDropDownMenu(1, nil, AuxCompletionDropDown, edit_box, -12, 4)
--        end
--
--        if DropDownList1:IsVisible() then
--            toggle()
--        end
--        toggle()
--		DropDownList1.aux = true
--		DropDownList1:SetScript('OnHide', function()
--			DropDownList1.aux = false
--		end)
--    end
--
--    function update_highlighting()
--        for i=1,32 do
--            local highlight = getglobal('DropDownList1Button' .. i .. 'Highlight')
--            if i == index then
--                highlight:Show()
--            else
--                highlight:Hide()
--            end
--        end
--    end
--
--    function self.close()
--        CloseDropDownMenus(1)
--    end
--
--    function self.open()
--        local _, owner = DropDownList1:GetPoint()
--        return DropDownList1:IsVisible() and owner == edit_box
--    end
--
--    function self.suggest()
--        local new_input = edit_box:GetText()
--
--        input = new_input
--
--        if input == '' then
--            suggestions = {}
--        else
--            suggestions = generate_suggestions(input)
--            UIDropDownMenu_Initialize(AuxCompletionDropDown, fill_dropdown)
--        end
--
--        index = 1
--        update_highlighting()
--
--        update_dropdown()
--    end
--
--    function self.next()
--        update_dropdown()
--        if getn(suggestions) > 0 then
--            index = mod(index, getn(suggestions)) + 1
--            update_highlighting()
--        end
--    end
--
--    function self.previous()
--        update_dropdown()
--        if getn(suggestions) > 0 then
--            index = index > 1 and index - 1 or getn(suggestions)
--            update_highlighting()
--        end
--    end
--
--    function self.selected_value()
--        return suggestions[index] and suggestions[index].value
--    end
--
--    function self.clear()
--        index = 1
--        suggestions = {}
--    end
--
--    return self
--end
--
--function public.UIDropDownMenu_StartCounting(frame)
--	if not frame.aux then
--		return Aux.orig.UIDropDownMenu_StartCounting(frame)
--	end
--end