- Added possibility to highlight datasets and dataset elements

2 files changed, 76 insertions, 0 deletions

diff --git a/src/datasets/base.php b/src/datasets/base.php
index 6bd8cf3..b3c76c1 100644
--- a/src/datasets/base.php
+++ b/src/datasets/base.php
@@ -15,16 +15,55 @@
 class ezcGraphDataset implements ArrayAccess, Iterator
 {
 
+    /**
+     * labels for dataset and dataset elements
+     * 
+     * @var ezcGraphDatasetStringProperty
+     */
     protected $label;
 
+    /**
+     * Colors for dataset elements
+     * 
+     * @var ezcGraphDatasetColorProperty
+     */
     protected $color;
 
+    /**
+     * Symbols for dataset elements
+     * 
+     * @var ezcGraphDatasetIntProperty
+     */
     protected $symbol;
 
+    /**
+     * Status if dataset element is hilighted
+     * 
+     * @var ezcGraphDatasetBooleanProperty
+     * @access protected
+     */
+    protected $highlight;
+
+    /**
+     * Array which contains the data of the dataset
+     * 
+     * @var array
+     */
     protected $data;
 
+    /**
+     * Current dataset element
+     * needed for iteration over dataset with ArrayAccess
+     * 
+     * @var mixed
+     */
     protected $current;
 
+    /**
+     * Color palette used for dataset colorization
+     * 
+     * @var ezcGraphPalette
+     */
     protected $pallet;
 
     public function __construct()
@@ -32,6 +71,9 @@ class ezcGraphDataset implements ArrayAccess, Iterator
         $this->label = new ezcGraphDatasetStringProperty( $this );
         $this->color = new ezcGraphDatasetColorProperty( $this );
         $this->symbol = new ezcGraphDatasetIntProperty( $this );
+        $this->highlight = new ezcGraphDatasetBooleanProperty( $this );
+
+        $this->highlight->default = false;
     }
 
     /**
@@ -65,6 +107,10 @@ class ezcGraphDataset implements ArrayAccess, Iterator
             case 'symbol':
                 $this->symbol->default = $propertyValue;
                 break;
+            case 'highlight':
+            case 'hilight':
+                $this->highlight->default = $propertyValue;
+                break;
             case 'palette':
                 $this->palette = $propertyValue;
                 $this->color->default = $this->palette->dataSetColor;
diff --git a/src/datasets/property/boolean.php b/src/datasets/property/boolean.php
new file mode 100644
index 0000000..318910d
--- /dev/null
+++ b/src/datasets/property/boolean.php
@@ -0,0 +1,30 @@
+<?php
+/**
+ * File containing the abstract ezcGraphDatasetBooleanProperty class
+ *
+ * @package Graph
+ * @version //autogentag//
+ * @copyright Copyright (C) 2005, 2006 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Class for integer properties of datasets
+ *
+ * @package Graph
+ */
+class ezcGraphDatasetBooleanProperty extends ezcGraphDatasetProperty
+{
+    /**
+     * Converts value to an ezcGraphColor object
+     * 
+     * @param & $value 
+     * @return void
+     */
+    protected function checkValue( &$value )
+    {
+        $value = (bool) $value;
+        return true;
+    }
+}
+
+?>