Changeset 69 for trunk/Application/Core.php

Timestamp:

Feb 28, 2016, 10:54:30 AM (9 years ago)

Author:

chronos

Message:

• Modified: Use object oriented approach for page drawing using Application class.
• Added: SQL updated will be automatic using UpdateTrace.php file.
• Added: Use generic setup page at URL /setup for SQL structure update.
• Modified: Update Common package to newer version.

Location:

trunk/Application

Files:

• . (added)
• Core.php (moved) (moved from trunk/Application.php ) (2 diffs)

trunk/Application/Core.php

@@ -1 +1 @@
 <?php
 
-class Application
+$ConfigFileName = dirname(__FILE__).'/../Config/Config.php';
+if(file_exists($ConfigFileName)) include_once($ConfigFileName);
+
+include_once(dirname(__FILE__).'/../Global.php');
+include_once(dirname(__FILE__).'/Version.php');
+include_once(dirname(__FILE__).'/View.php');
+include_once(dirname(__FILE__).'/UpdateTrace.php');
+include_once(dirname(__FILE__).'/DefaultConfig.php');
+
+class Core extends Application
 {
-  var $Database;
+  var $Pages;
+  var $ShowPage;
+  var $BaseURL;
 
-  function Start()
+  function __construct()
+  {
+    parent::__construct();
+    $this->Pages = array();
+    $this->ShowPage = true;
+    $this->BaseURL = $_SERVER['SCRIPT_NAME'];
+    if(substr($this->BaseURL, -10, 10) == '/index.php')
+      $this->BaseURL = substr($this->BaseURL, 0, -10);
+  }
+
+  function RunCommon()
   {
     global $Config, $DatabaseRevision;
-
-    $FileName = dirname(__FILE__).'/config.php';
-    if(file_exists($FileName)) include_once($FileName);
-    else {
-      die('Configuration file "'.$FileName.'" not found.');
-    }
 
     session_start();
@@ -33 +48 @@
     foreach($_GET as $Index => $Item) $_GET[$Index] = addslashes($Item);
 
-    // Check database persistence structure
-    $UpdateManager = new UpdateManager();
-    $UpdateManager->Database = $this->Database;
-    $UpdateManager->Revision = $DatabaseRevision;
-    if(!$UpdateManager->IsInstalled()) die('Systém vyžaduje instalaci databáze.');
-    if(!$UpdateManager->IsUpToDate()) die('Systém vyžaduje aktualizaci databáze.');
+    $this->Config = &$Config;
 
+    // Register and start existing modules
+    $this->Setup = new Setup($this);
+    $this->Setup->Start();
+    if($this->Setup->CheckState())
+    {
+      $this->ModuleManager->Start();
+    }
+  }
+
+  function Run()
+  {
+    $this->RunCommon();
+    if($this->ShowPage)
+    {
+      $this->PathItems = ProcessURL();
+      $this->ShowPage();
+    }
+  }
+
+  function ShowPage()
+  {
+    $this->BaseView = new BaseView($this);
+
+    /* @var $Page Page */
+    $ClassName = $this->SearchPage($this->PathItems, $this->Pages);
+    if($ClassName != '')
+    {
+      $Page = new $ClassName($this);
+    } else {
+      $Page = new PageMissing($this);
+    }
+    echo($this->BaseView->GetOutput($Page));
+  }
+
+  function RegisterPage($Path, $Handler)
+  {
+    if(is_array($Path))
+    {
+      $Page = &$this->Pages;
+      $LastKey = array_pop($Path);
+      foreach($Path as $PathItem)
+      {
+        $Page = &$Page[$PathItem];
+      }
+      if(!is_array($Page)) $Page = array('' => $Page);
+      $Page[$LastKey] = $Handler;
+    } else $this->Pages[$Path] = $Handler;
+  }
+
+  function UnregisterPage($Path)
+  {
+    unset($this->Pages[$Path]);
+  }
+
+  function SearchPage($PathItems, $Pages)
+  {
+    if(count($PathItems) > 0) $PathItem = $PathItems[0];
+      else $PathItem = '';
+    if(array_key_exists($PathItem, $Pages))
+    {
+      if(is_array($Pages[$PathItem]))
+      {
+        array_shift($PathItems);
+        return($this->SearchPage($PathItems, $Pages[$PathItem]));
+      } else return($Pages[$PathItem]);
+    } else return('');
+  }
+
+  function Link($Target)
+  {
+    return($this->BaseURL.$Target);
   }
 }
+
+class PageMissing extends Page
+{
+  function __construct($System)
+  {
+    parent::__construct($System);
+    $this->ParentClass = '';
+    $this->Title = T('Page not found');
+  }
+
+  function Show()
+  {
+    Header($_SERVER['SERVER_PROTOCOL'].' 404 Not Found');
+    return('<h3 align="center">'.T('Required page not found'));
+  }
+}