From de8f409e84c4b2c428cba3f2845f2658d3db9b90 Mon Sep 17 00:00:00 2001
From: Pascal Kriete <pascal.kriete@ellislab.com>
Date: Wed, 29 Jul 2009 13:46:37 +0000
Subject: Updating the smiley helper to work with more than one field.

Also changing insertion position to be at the cursor and using ids instead of form names.
---
 system/helpers/smiley_helper.php | 140 +++++++++++++++++++++++++++++++++------
 1 file changed, 119 insertions(+), 21 deletions(-)

(limited to 'system/helpers/smiley_helper.php')

diff --git a/system/helpers/smiley_helper.php b/system/helpers/smiley_helper.php
index f9a2cf2b0..f085e53b1 100644
--- a/system/helpers/smiley_helper.php
+++ b/system/helpers/smiley_helper.php
@@ -28,29 +28,91 @@
 // ------------------------------------------------------------------------
 
 /**
- * JS Insert Smiley
+ * Smiley Javascript
  *
- * Generates the javascrip function needed to insert smileys into a form field
+ * Returns the javascript required for the smiley insertion.  Optionally takes
+ * an array of aliases to loosely couple the smiley array to the view.
  *
  * @access	public
- * @param	string	form name
- * @param	string	field name
- * @return	string
+ * @param	mixed	alias name or array of alias->field_id pairs
+ * @param	string	field_id if alias name was passed in
+ * @return	array
  */
-if ( ! function_exists('js_insert_smiley'))
+if ( ! function_exists('smiley_js'))
 {
-	function js_insert_smiley($form_name = '', $form_field = '')
-	{
-		return <<<EOF
-<script type="text/javascript">
-	function insert_smiley(smiley)
+	function smiley_js($alias = '', $field_id = '')
 	{
-		document.{$form_name}.{$form_field}.value += " " + smiley;
-	}
-</script>
+		static $do_setup = TRUE;
+
+		$r = '';
+	
+		if ($alias != '' && ! is_array($alias))
+		{
+			$alias = array($alias => $field_id);
+		}
+
+		if ($do_setup === TRUE)
+		{
+				$do_setup = FALSE;
+			
+				$m = array();
+			
+				if (is_array($alias))
+				{
+					foreach($alias as $name => $id)
+					{
+						$m[] = '"'.$name.'" : "'.$id.'"';
+					}
+				}
+			
+				$m = '{'.implode(',', $m).'}';
+			
+				$r .= <<<EOF
+			
+				var smiley_map = {$m};
+
+				function insert_smiley(smiley, field_id) {
+					var el = document.getElementById(field_id), newStart;
+				
+					if ( ! el && smiley_map[field_id]) {
+						el = document.getElementById(smiley_map[field_id]);
+					
+						if ( ! el)
+							return false;
+					}
+				
+					el.focus();
+					smiley = " " + smiley;
+
+					if ('selectionStart' in el) {
+						newStart = el.selectionStart + smiley.length;
+
+						el.value = el.value.substr(0, el.selectionStart) +
+										smiley +
+										el.value.substr(el.selectionEnd, el.value.length);
+						el.setSelectionRange(newStart, newStart);
+					}
+					else if (document.selection) {
+						document.selection.createRange().text = text;
+					}
+				}
 EOF;
+		}
+		else
+		{
+			if (is_array($alias))
+			{
+				foreach($alias as $name => $id)
+				{
+					$r .= 'smiley_map["'.$name.'"] = "'.$id.'";'."\n";
+				}
+			}
+		}
+
+		return '<script type="text/javascript" charset="utf-8">'.$r.'</script>';
 	}
 }
+
 // ------------------------------------------------------------------------
 
 /**
@@ -65,8 +127,15 @@ EOF;
  */
 if ( ! function_exists('get_clickable_smileys'))
 {
-	function get_clickable_smileys($image_url = '', $smileys = NULL)
+	function get_clickable_smileys($image_url, $alias = '', $smileys = NULL)
 	{
+		// For backward compatibility with js_insert_smiley
+		
+		if (is_array($alias))
+		{
+			$smileys = $alias;
+		}
+		
 		if ( ! is_array($smileys))
 		{
 			if (FALSE === ($smileys = _get_smiley_array()))
@@ -76,8 +145,8 @@ if ( ! function_exists('get_clickable_smileys'))
 		}
 
 		// Add a trailing slash to the file path if needed
-		$image_url = preg_replace("/(.+?)\/*$/", "\\1/",  $image_url);
-
+		$image_url = rtrim($image_url, '/').'/';
+	
 		$used = array();
 		foreach ($smileys as $key => $val)
 		{
@@ -89,12 +158,12 @@ if ( ! function_exists('get_clickable_smileys'))
 			{
 				continue;
 			}
-
-			$link[] = "<a href=\"javascript:void(0);\" onClick=\"insert_smiley('".$key."')\"><img src=\"".$image_url.$smileys[$key][0]."\" width=\"".$smileys[$key][1]."\" height=\"".$smileys[$key][2]."\" alt=\"".$smileys[$key][3]."\" style=\"border:0;\" /></a>";
-
+			
+			$link[] = "<a href=\"javascript:void(0);\" onClick=\"insert_smiley('".$key."', '".$alias."')\"><img src=\"".$image_url.$smileys[$key][0]."\" width=\"".$smileys[$key][1]."\" height=\"".$smileys[$key][2]."\" alt=\"".$smileys[$key][3]."\" style=\"border:0;\" /></a>";	
+	
 			$used[$smileys[$key][0]] = TRUE;
 		}
-
+	
 		return $link;
 	}
 }
@@ -170,6 +239,35 @@ if ( ! function_exists('_get_smiley_array'))
 	}
 }
 
+// ------------------------------------------------------------------------
+
+/**
+ * JS Insert Smiley
+ *
+ * Generates the javascript function needed to insert smileys into a form field
+ *
+ * DEPRECATED as of version 1.7.2, use smiley_js instead
+ *
+ * @access	public
+ * @param	string	form name
+ * @param	string	field name
+ * @return	string
+ */
+if ( ! function_exists('js_insert_smiley'))
+{
+	function js_insert_smiley($form_name = '', $form_field = '')
+	{
+		return <<<EOF
+<script type="text/javascript">
+	function insert_smiley(smiley)
+	{
+		document.{$form_name}.{$form_field}.value += " " + smiley;
+	}
+</script>
+EOF;
+	}
+}
+
 
 /* End of file smiley_helper.php */
 /* Location: ./system/helpers/smiley_helper.php */
\ No newline at end of file
-- 
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