init

mysyde/common/classes/GenericDOMView.php

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+<?php
+namespace DynCom\mysyde\common\classes;
+use DynCom\mysyde\common\interfaces\DOMTemplate;
+use DynCom\mysyde\common\interfaces\DOMView;
+use DynCom\mysyde\common\interfaces\ViewModel;
+use DynCom\mysyde\common\traits\genericViewTrait;
+
+/**
+ * Created by PhpStorm.
+ * User: Michael Bauer
+ * Date: 7/14/2015
+ * Time: 12:11 AM
+ */
+class GenericDOMView implements DOMView
+{
+
+    use genericViewTrait;
+
+
+    protected $DOMTemplate;
+    protected $DOMDocument;
+    protected $viewModelData;
+    protected $transformer;
+    protected $prefix;
+
+    protected $renderedContent = false;
+
+    /**
+     * GenericDOMView constructor.
+     * @param DOMTemplate $template
+     * @param ViewModel $viewModel
+     * @param RenderableStringTransformer $transformer
+     */
+    public function __construct(DOMTemplate $template, ViewModel $viewModel, RenderableStringTransformer $transformer) {
+        $this->DOMTemplate = $template;
+        $this->DOMDocument = $template->getDOMDocument();
+        $this->viewModelData = $viewModel->getData();
+        $this->transformer = $transformer;
+        $this->prefix = $template->getInserterTokenPrefix();
+        $this->lowestWritableDir = '/htdocs';
+        $this->enforceLowestWriteLevelLimit = true;
+        $this->classOrSelfReferencePath = 'self';
+        $this->canSidestep = false;
+    }
+
+    /**
+     * @return bool|string
+     */
+    public function render() {
+
+        if($this->renderedContent) {
+            return $this->renderedContent;
+        }
+
+        $doc = $this->DOMDocument;
+        $XPath = new \DOMXPath($doc);
+        $query = "//@*[starts-with(name(),'{$this->prefix}')]";
+        $nodeList = $XPath->query($query);
+        $nodeArr = [];
+        $len = $nodeList->length;
+        for($i = 0;$i < $len;++$i) {
+            $node = $nodeList->item($i);
+            $attrName = $node->nodeName;
+            $fieldName = str_replace($this->prefix,'',$attrName);
+            $owner = &$node->ownerElement;
+            $owner->removeAttribute($attrName);
+            $nodeArr[$fieldName] = &$owner;
+        }
+        foreach($this->viewModelData as $key => &$value) {
+            if(array_key_exists($key,$nodeArr) && ($node = $nodeArr[$key]) && ($node instanceof \DOMNode)) {
+                $stringVal = $this->transformer->toString($value);
+                $isXML = (strip_tags($stringVal) !== $stringVal);
+                if($isXML) {
+                    $tmpDoc = clone $doc;
+                    //LoadHTML is needed to correctly format HTML on loading
+                    @$tmpDoc->loadHTML($stringVal);
+                    //loadHTML creates html and body tags around stringVal, so content is first child of first child
+                    $el = $doc->importNode($tmpDoc->documentElement,true);
+                } else {
+                    $el = $doc->createTextNode($stringVal);
+                }
+                $node->appendChild($el);
+            }
+        }
+        $this->renderedContent = $doc->saveXML($doc->documentElement);
+        return $this->renderedContent;
+    }
+
+}