vis-config

router.lua

(973B)

 local stack = {}
 local index = 0
 local allow = true
 
 local function push(item)
 	if item == stack[index] then
 		return
 	end
 
     for i = #stack, index + 1, -1 do
         stack[i] = nil
     end
 
     table.insert(stack, item)
     index = #stack
 end
 
 local function open(path)
 	vis:command(string.format('e %s', path))
 end
 
 local M = {}
 
 M.back = function()
     if index <= 1 then
     	return
     end
     index = index - 1
     open(stack[index])
 end
 
 M.forward = function()
     if index >= #stack then
     	return
     end
     index = index + 1
 	open(stack[index])
 end
 
 M.navigate = function(path, cmd)
 	if not path then
 		return
 	end
 
 	allow = true
 	open(path)
 
 	if cmd then
 		vis:command(cmd)
 	end
 end
 
 vis.events.subscribe(vis.events.WIN_OPEN, function(win)
 	if allow and win.file.name then
 		push(win.file.name)
 		allow = false
 	end
 end)
 
 vis:action_register('vis-router-back', M.back, "Go back")
 vis:action_register('vis-router-forward', M.forward, "Go Forward")
 
 return M