one class per file: framework/Web/UI/*.php

1 files changed, 108 insertions, 0 deletions

diff --git a/framework/Web/UI/TCompositeLiteral.php b/framework/Web/UI/TCompositeLiteral.php
new file mode 100644
index 00000000..d9af1174
--- /dev/null
+++ b/framework/Web/UI/TCompositeLiteral.php
@@ -0,0 +1,108 @@
+<?php
+/**
+ * TControl, TControlCollection, TEventParameter and INamingContainer class file
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @package System.Web.UI
+ */
+
+
+/**
+ * TCompositeLiteral class
+ *
+ * TCompositeLiteral is used internally by {@link TTemplate} for representing
+ * consecutive static strings, expressions and statements.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @package System.Web.UI
+ * @since 3.0
+ */
+class TCompositeLiteral extends TComponent implements IRenderable, IBindable
+{
+	const TYPE_EXPRESSION=0;
+	const TYPE_STATEMENTS=1;
+	const TYPE_DATABINDING=2;
+	private $_container=null;
+	private $_items=array();
+	private $_expressions=array();
+	private $_statements=array();
+	private $_bindings=array();
+
+	/**
+	 * Constructor.
+	 * @param array list of items to be represented by TCompositeLiteral
+	 */
+	public function __construct($items)
+	{
+		$this->_items=array();
+		$this->_expressions=array();
+		$this->_statements=array();
+		foreach($items as $id=>$item)
+		{
+			if(is_array($item))
+			{
+				if($item[0]===self::TYPE_EXPRESSION)
+					$this->_expressions[$id]=$item[1];
+				else if($item[0]===self::TYPE_STATEMENTS)
+					$this->_statements[$id]=$item[1];
+				else if($item[0]===self::TYPE_DATABINDING)
+					$this->_bindings[$id]=$item[1];
+				$this->_items[$id]='';
+			}
+			else
+				$this->_items[$id]=$item;
+		}
+	}
+
+	/**
+	 * @return TComponent container of this component. It serves as the evaluation context of expressions and statements.
+	 */
+	public function getContainer()
+	{
+		return $this->_container;
+	}
+
+	/**
+	 * @param TComponent container of this component. It serves as the evaluation context of expressions and statements.
+	 */
+	public function setContainer(TComponent $value)
+	{
+		$this->_container=$value;
+	}
+
+	/**
+	 * Evaluates the expressions and/or statements in the component.
+	 */
+	public function evaluateDynamicContent()
+	{
+		$context=$this->_container===null?$this:$this->_container;
+		foreach($this->_expressions as $id=>$expression)
+			$this->_items[$id]=$context->evaluateExpression($expression);
+		foreach($this->_statements as $id=>$statement)
+			$this->_items[$id]=$context->evaluateStatements($statement);
+	}
+
+	/**
+	 * Performs databindings.
+	 * This method is required by {@link IBindable}
+	 */
+	public function dataBind()
+	{
+		$context=$this->_container===null?$this:$this->_container;
+		foreach($this->_bindings as $id=>$binding)
+			$this->_items[$id]=$context->evaluateExpression($binding);
+	}
+
+	/**
+	 * Renders the content stored in this component.
+	 * This method is required by {@link IRenderable}
+	 * @param ITextWriter
+	 */
+	public function render($writer)
+	{
+		$writer->write(implode('',$this->_items));
+	}
+}
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