[Phphtmllib-devel] SF.net SVN: phphtmllib: [2871] trunk/phphtmllib/src/form/form_elements/ FETextArea.inc

[<su...@us...>]

Revision: 2871
          http://phphtmllib.svn.sourceforge.net/phphtmllib/?rev=2871&view=rev
Author:   suren2
Date:     2007-08-27 12:33:14 -0700 (Mon, 27 Aug 2007)

Log Message:
-----------
add support for desc text

Modified Paths:
--------------
    trunk/phphtmllib/src/form/form_elements/FETextArea.inc

Modified: trunk/phphtmllib/src/form/form_elements/FETextArea.inc
===================================================================
--- trunk/phphtmllib/src/form/form_elements/FETextArea.inc	2007-08-24 04:22:18 UTC (rev 2870)
+++ trunk/phphtmllib/src/form/form_elements/FETextArea.inc	2007-08-27 19:33:14 UTC (rev 2871)
@@ -16,6 +16,18 @@
 class FETextArea extends FEBoxElement {
 
     /**
+     * Holds text that is displayed inside
+     * the text box and goes away when
+     * user clicks on it
+     *
+     * Most useful in the form of
+     * "enter your name here"
+     *
+     * @var string
+     */
+    protected $value_description;
+
+    /**
      * This lets you limit the amount of data to
      * accept in the field
      */
@@ -51,18 +63,41 @@
      */
     public function get_element() {
 
+        $value = $this->get_value();
         $attributes = $this->build_element_attributes();
 
+        if (!$value && $this->value_description) {
+            $attributes['onFocus'] =  "if (this.innerHTML == '$this->value_description') {this.innerHTML='';}";
+            $attributes['onBlur'] =  "if (this.innerHTML == '') {this.innerHTML='$this->value_description';}";
+        }
+
         $tag = new TEXTAREAtag($attributes);
 
-        if (($value = $this->get_value()) != NULL) {
+        if ($value) {
             $tag->add($value);
         }
+        if ($this->value_description) {
+            $tag->add($this->value_description);
+        }
 
         return $tag;
     }
 
     /**
+     * Sets text that is displayed inside
+     * the text box and goes away when
+     * user clicks on it
+     *
+     * Most useful in the form of
+     * "enter your name here"
+     *
+     * @var string $text
+     */
+    public function set_value_description($text) {
+        $this->value_description = $text;
+    }
+
+    /**
      * This method validates the data
      * for this Form Element.
      *


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