1 files changed, 139 insertions, 0 deletions
diff --git a/protected/extensions/egmap/kml/EGMapKMLNode.php b/protected/extensions/egmap/kml/EGMapKMLNode.php
new file mode 100644
index 0000000..1013ff5
--- /dev/null
+++ b/protected/extensions/egmap/kml/EGMapKMLNode.php
@@ -0,0 +1,139 @@
+<?php
+/**
+ * 
+ * EGMapKMLNode Class 
+ * 
+ * KML node base class
+ *
+ * @author Antonio Ramirez Cobos
+ * @link www.ramirezcobos.com
+ *
+ * 
+ * @copyright 
+ * 
+ * Copyright (c) 2010 Antonio Ramirez Cobos
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+ * and associated documentation files (the "Software"), to deal in the Software without restriction, 
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+ * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 
+ * subject to the following conditions:
+ * The above copyright notice and this permission notice shall be included in all copies or substantial 
+ * portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+ * LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+ * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE 
+ * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+class EGMapKMLNode {
+	/**
+	 * 
+	 * Tag name
+	 * @var string
+	 */
+	public 		$tag; 
+	/**
+	 * 
+	 * Tag id
+	 * @var string
+	 */
+	public		$tagId; 
+	/**
+	 * 
+	 * Tag content
+	 * @var string
+	 */
+	public 		$content; 
+	/**
+	 * 
+	 * Tag attributes
+	 * @var array
+	 */
+	public 		$attributes = array();
+	/**
+	 * 
+	 * Child nodes collection
+	 * @var array $nodes
+	 */
+	protected 	$nodes = array(); // children
+	/**
+	 * 
+	 * Class constructor
+	 * @param string $tag name
+	 * @param string $content
+	 */
+	public function __construct($tag, $content = null){
+		$this->tag 		= $tag;
+		$this->content 	= $content;
+	}
+	/**
+	 * 
+	 * Adds a child node to the tag
+	 * @param EGMapKMLNode $node
+	 */
+	public function addChild( EGMapKMLNode $node ){
+		$this->nodes[] = $node;
+	}
+	/**
+	 * 
+	 * Clears all added children
+	 */
+	public function clearChildren(){
+		 $this->nodes = array();
+	}
+	/**
+	 * 
+	 * @return well formatted XML KML tags
+	 */
+	public function toXML(){
+		$result = '';
+		
+		if (is_array($this->attributes)) 
+			$this->attributes['id'] = $this->tagId;
+		else $this->attributes = array();
+		
+		$result .= CHtml::openTag($this->tag, (is_array($this->attributes)? $this->attributes:array()));
+		if(null !== $this->content && !empty($this->content))
+		{
+			if($this->tag === 'description'){
+				$result .= '<![CDATA['. $this->content.']]>';
+			}
+			else if(is_array($this->content)){
+				// arrays are separated by carriage return
+				// they can also be separated by spaces
+				$result .= implode(PHP_EOL, $this->content); 
+			}
+			else 
+				$result .= $this->content;
+		}	
+		$result .= $this->renderChildren();
+		$result .= CHtml::closeTag($this->tag);
+		
+		return $result;
+	}
+	/**
+	 * 
+	 * Renders children tags
+	 */
+	protected function renderChildren()
+	{
+		$children = '';
+		if( isset($this->nodes) && is_array($this->nodes) ){
+			foreach( $this->nodes as $node )
+				$children .= $node->toXML();
+		}
+		return $children;
+	}
+	/**
+	 * 
+	 * Checks if a node name property has null value
+	 * if not then create a node 
+	 * @param string $node
+	 */
+	protected function checkNode( $node ){
+		if(!is_null($this->$node))
+			$this->nodes[] = new EGMapKMLNode($node, $this->$node);
+	}
+}
+\ No newline at end of file