<?php
/**
 * SVG Text class
 * 
 * @author     Nicolas Perriault <nperriault@gmail.com>
 * @package    cleversvg
 * @subpackage elements
 */
class csText extends csBaseShape
{

  protected 
    $text_content  = NULL,
    $xml_node_name = 'text';

  /**
   * Class constructor
   * 
   * @param  mixed  $x
   * @param  mixed  $y
   * @param  mixed  $content
   */
  public function __construct($x=null, $y=null, $content=null, $attrs=array())
  {
    $this->setX($x);
    $this->setY($y);
    $this->setContent($content);
    $this->attributes = array_merge($attrs, $this->attributes);
  }
  
  /**
   * Computes DOMXML Node
   * 
   * @param  boolean  $embedded  Is SVG element embedded ?
   * @return DOMElement
   */
  public function compile($embedded=false)
  {
    $node = parent::compile($embedded);
    $dom = $this->getDomDocument();
    if (!is_null($this->text_content))
    {
      $content_node = $dom->createTextNode($this->text_content);
      $node->appendChild($content_node);
    }
    return $node;   
  }
  
  /**
   * Sets the text content
   * 
   * @param  string  $content
   */
  public function setContent($content)
  {
    if (!is_null($content))
    {
      $this->text_content = $content;
    }
  }
  
  /**
   * Sets the font family
   * 
   * @param  mixed  $font_family
   * @link   http://www.w3.org/TR/SVG11/text.html#FontSizeProperty
   */
  public function setFontFamily($font_family)
  {
    $this->setAttribute('font-family', $font_family);
  }
  
  /**
   * Sets the font size
   * 
   * @param  mixed  $font_size
   * @link   http://www.w3.org/TR/SVG11/text.html#FontSizeProperty
   */
  public function setFontSize($font_size)
  {
    $this->setAttribute('font-size', $font_size);
  }
  
  /**
   * Sets the font size-adjust
   * 
   * @param  mixed  $font_size_adjust
   * @link   http://www.w3.org/TR/SVG11/text.html#FontSizeAdjustProperty
   */
  public function setFontSizeAdjust($font_size_adjust)
  {
    $this->setAttribute('font-size-adjust', $font_size_adjust);
  }
  
  /**
   * Sets the font stretch
   * 
   * @param  mixed  $font_stretch
   * @link   http://www.w3.org/TR/SVG11/text.html#FontStretchProperty
   */
  public function setFontStretch($font_stretch)
  {
    $this->setAttribute('font-stretch', $font_stretch);
  }
  
  /**
   * Sets the font style
   * 
   * @param  mixed  $font_style
   * @link   http://www.w3.org/TR/SVG11/text.html#FontStyleProperty
   */
  public function setFontStyle($font_style)
  {
    $this->setAttribute('font-style', $font_style);
  }
  
  /**
   * Sets the font variant
   * 
   * @param  mixed  $font_variant
   * @link   http://www.w3.org/TR/SVG11/text.html#FontVariantProperty
   */
  public function setFontVariant($font_variant)
  {
    $this->setAttribute('font-variant', $font_variant);
  }
  
  /**
   * Sets the font weight
   * 
   * @param  mixed  $font_weight
   * @link   http://www.w3.org/TR/SVG11/text.html#FontWeightProperty
   */
  public function setFontWeight($font_weight)
  {
    $this->setAttribute('font-weight', $font_weight);
  }
  
  /**
   * The start x-axis coordinate of the text
   * 
   */
  public function setX($x)
  {
    $this->setAttribute('x', $x);
  }
  
  /**
   * The start y-axis coordinate of the text
   * 
   */
  public function setY($y)
  {
    $this->setAttribute('y', $y);
  }
  
}