EZ-Components

2026-07-24 10:22:18 +00:00 · 2009-02-17 15:27:43 +00:00
parent 359c3c55c9
commit 0a8e90a8b3
572 changed files with 64490 additions and 0 deletions
@@ -0,0 +1,122 @@
+<?php
+/**
+ * File containing the ezcGraphChartElementText class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Chart element to display texts in a chart
+ *
+ * @property float $maxHeight
+ *           Maximum percent of bounding used to display the text.
+ *
+ * @version 1.3
+ * @package Graph
+ * @mainclass
+ */
+class ezcGraphChartElementText extends ezcGraphChartElement
+{
+    /**
+     * Constructor
+     * 
+     * @param array $options Default option array
+     * @return void
+     * @ignore
+     */
+    public function __construct( array $options = array() )
+    {
+        $this->properties['maxHeight'] = .1;
+
+        parent::__construct( $options );
+    }
+
+    /**
+     * __set 
+     * 
+     * @param mixed $propertyName 
+     * @param mixed $propertyValue 
+     * @throws ezcBaseValueException
+     *          If a submitted parameter was out of range or type.
+     * @throws ezcBasePropertyNotFoundException
+     *          If a the value for the property options is not an instance of
+     * @return void
+     */
+    public function __set( $propertyName, $propertyValue )
+    {
+        switch ( $propertyName )
+        {
+            case 'maxHeight':
+                if ( !is_numeric( $propertyValue ) ||
+                     ( $propertyValue < 0 ) ||
+                     ( $propertyValue > 1 ) )
+                {
+                    throw new ezcBaseValueException( $propertyName, $propertyValue, '0 <= float <= 1' );
+                }
+
+                $this->properties['maxHeight'] = (float) $propertyValue;
+                break;
+            default:
+                parent::__set( $propertyName, $propertyValue );
+                break;
+        }
+    }
+
+    /**
+     * Render the text
+     * 
+     * @param ezcGraphRenderer $renderer Renderer
+     * @param ezcGraphBoundings $boundings Boundings for the axis
+     * @return ezcGraphBoundings Remaining boundings
+     */
+    public function render( ezcGraphRenderer $renderer, ezcGraphBoundings $boundings )
+    {
+        $height = (int) min( 
+            round( $this->properties['maxHeight'] * ( $boundings->y1 - $boundings->y0 ) ),
+            $this->properties['font']->maxFontSize + $this->padding * 2 + $this->margin * 2
+        );
+
+        switch ( $this->properties['position'] )
+        {
+            case ezcGraph::TOP:
+                $textBoundings = new ezcGraphBoundings(
+                    $boundings->x0,
+                    $boundings->y0,
+                    $boundings->x1,
+                    $boundings->y0 + $height
+                );
+                $boundings->y0 += $height + $this->properties['margin'];
+                break;
+            case ezcGraph::BOTTOM:
+                $textBoundings = new ezcGraphBoundings(
+                    $boundings->x0,
+                    $boundings->y1 - $height,
+                    $boundings->x1,
+                    $boundings->y1
+                );
+                $boundings->y1 -= $height + $this->properties['margin'];
+                break;
+        }
+
+        $textBoundings = $renderer->drawBox(
+            $textBoundings,
+            $this->properties['background'],
+            $this->properties['border'],
+            $this->properties['borderWidth'],
+            $this->properties['margin'],
+            $this->properties['padding']
+        );
+
+        $renderer->drawText(
+            $textBoundings,
+            $this->properties['title'],
+            ezcGraph::CENTER | ezcGraph::MIDDLE
+        );
+
+        return $boundings;
+    }
+}
+
+?>