Webview.restorehost() | LuaRT free and open source Windows programming framework for Lua

Webview:restorehost(hostname) method

Restore a previously mapped virtual host name (the previously mapped local folder won't be used anymore).

Parameters

hostname

A string representing the virtual host name that have been previously mapped with a call to Webview:hostfromfolder().

Return value

This function returns true if the operation was successful or false otherwise.

Example


local html = [[
<!DOCTYPE html>
<html>
	<body>
		<center style="margin-top:35%"><a href="https://www.google.com/]]..sys.File(arg[0]).name..[[">https://www.google.com/]]..sys.File(arg[1]).name..[[</a></center></a></center>
	</body>
</html>]]

local ui = require "ui"
require "webview"

-- create a simple Webview 
local win = ui.Window("Webview:restorehost() sample", 640, 480)
local Webview = ui.Webview(win, 0, 50, 640, 412)

local button = ui.Button(win, "Map virtual host 'www.google.com' to '"..sys.File(arg[0]).path.."'")
button:center()
button.y = 10
local mapped = false
win:status("Using real 'www.google.com' real hostname")

function button:onClick()
	button.text = mapped and "Restore virtual host 'www.google.com'" or "Map virtual host 'www.google.com' to '"..sys.File(arg[0]).path.."'"
	button:center()
	button.y = 10
	if mapped then
		win:status("Host name 'www.google.com' have been restored")
		Webview:restorehost("www.google.com")
	else
		Webview:hostfromfolder("www.google.com", sys.File(arg[0]).path)
		win:status("Host name 'www.google.com' mapped to local '"..sys.File(arg[0]).path.."' folder")
		Webview:loadstring(html)		
	end
	mapped = not mapped
end

-- once ready, map www.google.com to the current local folder
-- and load the html content from string
function Webview:onReady()
	Webview:loadstring(html)
end

-- update the user interface until the user closes the Window
ui.run(win):wait()