Give iwla to each display class

Add generic functions createPage() and createBlock() in DisplayHTMLBuild
Add and display IWLA version

plugins/display/all_visits.py

@@ -10,6 +10,7 @@ class IWLADisplayAllVisits(IPlugin):
         self.API_VERSION = 1
 
     def hook(self):
+        display = self.iwla.getDisplay()
         hits = self.iwla.getValidVisitors()
         display_visitor_ip = self.iwla.getConfValue('display_visitor_ip', False)
 
@@ -20,8 +21,8 @@ class IWLADisplayAllVisits(IPlugin):
         filename = 'all_visits.html'
         path = self.iwla.getCurDisplayPath(filename)
 
-        page = DisplayHTMLPage(title, path, self.iwla.getConfValue('css_path', []))
-        table = DisplayHTMLBlockTable('Last seen', ['Host', 'Pages', 'Hits', 'Bandwidth', 'Last seen'])
+        page = display.createPage(title, path, self.iwla.getConfValue('css_path', []))
+        table = display.createBlock(DisplayHTMLBlockTable, 'Last seen', ['Host', 'Pages', 'Hits', 'Bandwidth', 'Last seen'])
         table.setColsCSSClass(['', 'iwla_page', 'iwla_hit', 'iwla_bandwidth', ''])
         
         for super_hit in last_access:
@@ -40,7 +41,6 @@ class IWLADisplayAllVisits(IPlugin):
             table.appendRow(row)
         page.appendBlock(table)
 
-        display = self.iwla.getDisplay()
         display.addPage(page)
 
         index = self.iwla.getDisplayIndex()
@@ -49,6 +49,6 @@ class IWLADisplayAllVisits(IPlugin):
         if block:
             block.setTitle('%s - %s' % (block.getTitle(), link))
         else:
-            block = DisplayHTMLRawBlock()
+            block = display.createBlock(DisplayHTMLRawBlock)
             block.setRawHTML(link)
             index.appendBlock(block)