From d6bae028524a0fc548080d7b8ae1d8fa38102248 Mon Sep 17 00:00:00 2001
From: Kore Nordmann <github@kore-nordmann.de>
Date: Tue, 27 Jun 2006 09:18:13 +0000
Subject: - Applied API change for accessing datasets to be able to distinguish
 easier   between chart elements and datasets # Changes the way datasets are
 accessed for charts # Old: #  $chart->dataset = array( ... ); # New: # 
 $chart['dataset'] = array( ... );

---
 src/exceptions/no_such_element.php | 25 +++++++++++++++++++++++
 src/graph_autoload.php             |  1 +
 src/interfaces/chart.php           | 41 ++++++++++++++++++++++++++++++--------
 3 files changed, 59 insertions(+), 8 deletions(-)
 create mode 100644 src/exceptions/no_such_element.php

(limited to 'src')

diff --git a/src/exceptions/no_such_element.php b/src/exceptions/no_such_element.php
new file mode 100644
index 0000000..6832d23
--- /dev/null
+++ b/src/exceptions/no_such_element.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * File containing the ezcGraphNoSuchElementException class
+ *
+ * @package Graph
+ * @version //autogen//
+ * @copyright Copyright (C) 2005, 2006 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * ezcGraphUnknownChartTypeException is the exception which is thrown when the
+ * factory method tries to return an instance of an unknown chart type
+ *
+ * @package Graph
+ * @version //autogen//
+ */
+class ezcGraphNoSuchElementException extends ezcGraphException
+{
+    public function __construct( $name )
+    {
+        parent::__construct( "No chart element with name <{$name}> found." );
+    }
+}
+
+?>
diff --git a/src/graph_autoload.php b/src/graph_autoload.php
index ef0aecf..912f18a 100644
--- a/src/graph_autoload.php
+++ b/src/graph_autoload.php
@@ -46,6 +46,7 @@ return array(
     'ezcGraphUnknownPaletteException'           => 'Graph/exceptions/unknown_palette.php',
 
     'ezcGraphChartElement'                      => 'Graph/interfaces/element.php',
+    'ezcGraphNoSuchElementException'            => 'Graph/exceptions/no_such_element.php',
     'ezcGraphFontOptions'                       => 'Graph/options/font.php',
     'ezcGraphChartElementText'                  => 'Graph/element/text.php',
     'ezcGraphChartElementLegend'                => 'Graph/element/legend.php',
diff --git a/src/interfaces/chart.php b/src/interfaces/chart.php
index de990bd..6cc1e8c 100644
--- a/src/interfaces/chart.php
+++ b/src/interfaces/chart.php
@@ -12,7 +12,7 @@
  *
  * @package Graph
  */
-abstract class ezcGraphChart
+abstract class ezcGraphChart implements ArrayAccess
 {
 
     /**
@@ -161,7 +161,7 @@ abstract class ezcGraphChart
                     throw new ezcBaseValueException( "options", $propertyValue, "instanceof ezcGraphOptions" );
                 }
             default:
-                return $this->addDataSet($propertyName, $propertyValue);
+                throw new ezcBasePropertyNotFoundException( $propertyName );
                 break;
         }
     }
@@ -235,19 +235,44 @@ abstract class ezcGraphChart
             return $this->elements[$propertyName];
         }
 
-        if ( isset( $this->data[$propertyName] ) )
-        {
-            return $this->data[$propertyName];
-        }
-
         if ( $propertyName === "options" )
         {
             return $this->options;
         }
         else
         {
-            throw new ezcGraphNoSuchDatasetException( $propertyName );
+            throw new ezcGraphNoSuchElementException( $propertyName );
+        }
+    }
+
+    public function offsetExists( $key )
+    {
+        return isset( $this->data[$key] );
+    }
+
+    public function offsetGet( $key )
+    {
+        if ( !isset( $key ) )
+        {
+            throw new ezcGraphNoSuchDatasetException( $key );
         }
+
+        return $this->data[$key];
+    }
+
+    public function offsetSet( $key, $value )
+    {
+        return $this->addDataset( $key, $value );
+    }
+
+    public function offsetUnset( $key )
+    {
+        if ( !isset( $key ) )
+        {
+            throw new ezcGraphNoSuchDatasetException( $key );
+        }
+
+        unset( $this->data[$key] );
     }
 
     public function setOptions( $options )
-- 
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