diff options
| author | xue <> | 2005-11-10 12:47:19 +0000 |
|---|---|---|
| committer | xue <> | 2005-11-10 12:47:19 +0000 |
| commit | 55c4ac1bfe565f1ca7f537fdd8b7a201be28e581 (patch) | |
| tree | a0599d5e36fdbb3f1e169ae56bab7d529597e3eb /framework/Web/UI/WebControls/TExpression.php | |
Initial import of prado framework
Diffstat (limited to 'framework/Web/UI/WebControls/TExpression.php')
| -rw-r--r-- | framework/Web/UI/WebControls/TExpression.php | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/framework/Web/UI/WebControls/TExpression.php b/framework/Web/UI/WebControls/TExpression.php new file mode 100644 index 00000000..6cecf9c4 --- /dev/null +++ b/framework/Web/UI/WebControls/TExpression.php @@ -0,0 +1,61 @@ +<?php
+/**
+ * TExpression class file
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.xisc.com/
+ * @copyright Copyright © 2004-2005, Qiang Xue
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ * @version $Revision: $ $Date: $
+ * @package System.Web.UI.WebControls
+ */
+
+/**
+ * TExpression class
+ *
+ * TExpression evaluates a PHP expression and renders the result.
+ * The expression is evaluated during rendering stage. You can set
+ * it via the property <b>Expression</b>. You should also specify
+ * the context object by <b>Context</b> property which is used as
+ * the object in which the expression is evaluated. If the <b>Context</b>
+ * property is not set, the TExpression component itself will be
+ * assumed as the context.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Revision: $ $Date: $
+ * @package System.Web.UI.WebControls
+ * @since 3.0
+ */
+class TExpression extends TControl
+{
+ private $_e='';
+
+ /**
+ * @return string the expression to be evaluated
+ */
+ public function getExpression()
+ {
+ return $this->_e;
+ }
+
+ /**
+ * Sets the expression of the TExpression
+ * @param string the expression to be set
+ */
+ public function setExpression($value)
+ {
+ $this->_e=$value;
+ }
+
+ /**
+ * Renders the evaluation result of the expression.
+ * @param THtmlTextWriter the writer used for the rendering purpose
+ */
+ protected function render($writer)
+ {
+ if($this->_e!=='')
+ $writer->write($this->evaluateExpression($this->_e));
+ }
+}
+
+?>
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