* zin: add context

zin/core/context.class.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * The context class file of zin of ZenTaoPMS.
+ *
+ * @copyright   Copyright 2023 青岛易软天创网络科技有限公司(QingDao Nature Easy Soft Network Technology Co,LTD, www.cnezsoft.com)
+ * @author      Hao Sun <sunhao@easycorp.ltd>
+ * @package     zin
+ * @version     $Id
+ * @link        https://www.zentao.net
+ */
+
+namespace zin;
+
+class context
+{
+    public $root;
+
+    public $portals;
+
+    public function __construct($root)
+    {
+        $this->root = $root;
+        $this->portals = $root->getPortals();
+    }
+
+    public function isRoot($root)
+    {
+        if(is_string($root)) return $root === $this->root->gid;
+        return $root->gid === $this->root->gid;
+    }
+
+    public static $map = array();
+
+    public static function create($wg)
+    {
+        $gid = $wg->gid;
+        if(isset(static::$map[$gid])) return static::$map[$gid];
+        $context = new context($wg);
+        static::$map[$gid] = $context;
+        return $context;
+    }
+
+    public static function destroy($gid)
+    {
+        if($gid instanceof wg) $gid = $gid->gid;
+        if(isset(static::$map[$gid])) unset(static::$map[$gid]);
+    }
+}

zin/core/h.class.php

@@ -43,12 +43,12 @@ class h extends wg
      * Render widget to html
      * @return string
      */
-    public function render(&$portals = NULL)
+    public function render(&$context = NULL)
     {
-        if(!empty($portals))
+        if($context instanceof context)
         {
             $this->matchedPortals = array();
-            foreach($portals as $portal)
+            foreach($context->portals as $portal)
             {
                 if($this->isMatch($portal->prop('target'))) $this->matchedPortals[] = $portal->children();
             }
@@ -57,7 +57,7 @@ class h extends wg
         {
             $this->matchedPortals = NULL;
         }
-        return parent::render($portals);
+        return parent::render($context);
     }
 
     public function isSelfClose()

zin/core/portal.class.php

@@ -16,4 +16,9 @@ require_once 'wg.class.php';
 class portal extends wg
 {
     static $defineProps = 'target:string';
+
+    public static function __callStatic($name, $args)
+    {
+        return new portal(set('target', $name), $args);
+    }
 }

zin/core/wg.class.php

@@ -11,11 +11,10 @@
 
 namespace zin;
 
-use stdClass;
-
 require_once 'props.class.php';
 require_once 'directive.func.php';
 require_once 'zin.class.php';
+require_once 'context.class.php';
 
 class wg
 {
@@ -63,21 +62,28 @@ class wg
      * Render widget to html
      * @return string
      */
-    public function render(&$portals = NULL)
+    public function render(&$context = NULL)
     {
-        $before   = $this->buildBefore();
-        $children = $this->build();
-        $after    = $this->buildAfter();
+        if($context === NULL) $context = context::create($this);
 
-        return static::renderToHtml(array($before, $children, $after), $portals);
+        $before   = $this->buildBefore($context);
+        $children = $this->build($context);
+        $after    = $this->buildAfter($context);
+
+        $html = static::renderToHtml(array($before, $children, $after), $context);
+
+        context::destroy($this->gid);
+
+        return $html;
     }
 
     public function display()
     {
         zin::disableGlobalRender();
 
-        $portals = $this->getPortals();
-        $html = $this->render($portals);
+        $context = context::create($this);
+        $html    = $this->render($context);
+
         echo $html;
 
         $this->displayed = true;
@@ -538,7 +544,7 @@ class wg
     /**
      * @return string
      */
-    public static function renderToHtml($children, &$portals = NULL)
+    public static function renderToHtml($children, &$context = NULL)
     {
         $html = array();
         foreach($children as $child)
@@ -547,11 +553,11 @@ class wg
 
             if(is_array($child))
             {
-                $html[] = static::renderToHtml($child, $portals);
+                $html[] = static::renderToHtml($child, $context);
             }
             elseif($child instanceof wg)
             {
-                $html[] = $child->render($portals);
+                $html[] = $child->render($context);
             }
             elseif(is_string($child))
             {
@@ -559,7 +565,7 @@ class wg
             }
             elseif(is_object($child))
             {
-                if(method_exists($child, 'render')) $html[] = $child->render($portals);
+                if(method_exists($child, 'render')) $html[] = $child->render($context);
                 elseif(isHtml($child))              $html[] = $child->data;
                 elseif(isText($child))              $html[] = htmlspecialchars($child->data);
                 elseif(isset($child->html))         $html[] = $child->html;