Update browser example for v0.3.1

browser/lua/browser.lua

@@ -12,23 +12,49 @@ local toolbar = gui.Container.create()
 toolbar:setstyle{flexdirection='row', padding=5}
 contentview:addchildview(toolbar)
 local back = gui.Button.create('<')
+back:setenabled(false)
 toolbar:addchildview(back)
 local forward = gui.Button.create('>')
+forward:setenabled(false)
 forward:setstyle{marginright=5}
 toolbar:addchildview(forward)
+local refresh = gui.Button.create('S')
+refresh:setstyle{width=20, marginright=5}
+toolbar:addchildview(refresh)
 local addressbar = gui.Entry.create()
 addressbar:setstyle{flex=1}
 toolbar:addchildview(addressbar)
 local go = gui.Button.create('GO')
 go:setstyle{marginleft=5}
 toolbar:addchildview(go)
-local browser = gui.Browser.create()
+local browser = gui.Browser.create{contextmenu=true}
 browser:setstyle{flex=1}
 contentview:addchildview(browser)
 
 -- Bind browser events to toolbar.
+browser.onchangeloading = function(self)
+  if browser:isloading() then
+    refresh:settitle('S')
+  else
+    refresh:settitle('R')
+  end
+end
+
+browser.onupdatecommand = function(self)
+  back:setenabled(browser:cangoback())
+  forward:setenabled(browser:cangoforward())
+  addressbar:settext(browser:geturl())
+end
+
+browser.onupdatetitle = function(self, title)
+  win:settitle(title)
+end
+
 browser.oncommitnavigation = function(self, url)
   addressbar:settext(url)
+end
+
+browser.onfinishnavigation = function(self, url)
   browser:focus()
 end
 
@@ -45,6 +71,14 @@ forward.onclick = function(self)
   browser:goforward()
 end
 
+refresh.onclick = function(self)
+  if browser:isloading() then
+    browser:stop()
+  else
+    browser:reload()
+  end
+end
+
 go.onclick = function(self)
   browser:loadurl(addressbar:gettext())
 end