mirror of
https://github.com/FH-Complete/FHC-Core.git
synced 2026-06-03 21:29:28 +00:00
Andreas Österreicher
123 lines
3.5 KiB
PHP
123 lines
3.5 KiB
PHP
<?php
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/**
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* File containing the ezcGraphChartElementText class
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*
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* @package Graph
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* @version 1.3
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* @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
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* @license http://ez.no/licenses/new_bsd New BSD License
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*/
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/**
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* Chart element to display texts in a chart
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*
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* @property float $maxHeight
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* Maximum percent of bounding used to display the text.
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*
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* @version 1.3
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* @package Graph
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* @mainclass
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*/
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class ezcGraphChartElementText extends ezcGraphChartElement
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{
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/**
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* Constructor
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*
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* @param array $options Default option array
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* @return void
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* @ignore
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*/
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public function __construct( array $options = array() )
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{
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$this->properties['maxHeight'] = .1;
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parent::__construct( $options );
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}
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/**
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* __set
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*
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* @param mixed $propertyName
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* @param mixed $propertyValue
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* @throws ezcBaseValueException
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* If a submitted parameter was out of range or type.
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* @throws ezcBasePropertyNotFoundException
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* If a the value for the property options is not an instance of
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* @return void
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*/
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public function __set( $propertyName, $propertyValue )
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{
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switch ( $propertyName )
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{
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case 'maxHeight':
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if ( !is_numeric( $propertyValue ) ||
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( $propertyValue < 0 ) ||
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( $propertyValue > 1 ) )
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{
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throw new ezcBaseValueException( $propertyName, $propertyValue, '0 <= float <= 1' );
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}
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$this->properties['maxHeight'] = (float) $propertyValue;
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break;
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default:
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parent::__set( $propertyName, $propertyValue );
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break;
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}
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}
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/**
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* Render the text
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*
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* @param ezcGraphRenderer $renderer Renderer
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* @param ezcGraphBoundings $boundings Boundings for the axis
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* @return ezcGraphBoundings Remaining boundings
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*/
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public function render( ezcGraphRenderer $renderer, ezcGraphBoundings $boundings )
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{
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$height = (int) min(
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round( $this->properties['maxHeight'] * ( $boundings->y1 - $boundings->y0 ) ),
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$this->properties['font']->maxFontSize + $this->padding * 2 + $this->margin * 2
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);
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switch ( $this->properties['position'] )
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{
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case ezcGraph::TOP:
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$textBoundings = new ezcGraphBoundings(
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$boundings->x0,
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$boundings->y0,
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$boundings->x1,
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$boundings->y0 + $height
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);
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$boundings->y0 += $height + $this->properties['margin'];
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break;
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case ezcGraph::BOTTOM:
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$textBoundings = new ezcGraphBoundings(
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$boundings->x0,
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$boundings->y1 - $height,
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$boundings->x1,
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$boundings->y1
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);
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$boundings->y1 -= $height + $this->properties['margin'];
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break;
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}
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$textBoundings = $renderer->drawBox(
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$textBoundings,
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$this->properties['background'],
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$this->properties['border'],
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$this->properties['borderWidth'],
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$this->properties['margin'],
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$this->properties['padding']
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);
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$renderer->drawText(
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$textBoundings,
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$this->properties['title'],
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ezcGraph::CENTER | ezcGraph::MIDDLE
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);
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return $boundings;
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}
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}
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?>
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