element['asset_field'] ? (string) $this->element['asset_field'] : 'asset_id';
$authorField = $this->element['created_by_field'] ? (string) $this->element['created_by_field'] : 'created_by';
$asset = $this->form->getValue($assetField) ? $this->form->getValue($assetField) : (string) $this->element['asset_id'];
if ($asset == '')
{
$asset = JRequest::getCmd('option');
}
$link = (string) $this->element['link'];
if (!self::$initialised)
{
// Load the modal behavior script.
JHtml::_('behavior.modal');
// Build the script.
$script = array();
$script[] = ' function jInsertFieldValue(value, id) {';
$script[] = ' var old_id = document.id(id).value;';
$script[] = ' if (old_id != id) {';
$script[] = ' var elem = document.id(id);';
$script[] = ' elem.value = value;';
$script[] = ' elem.fireEvent("change");';
$script[] = ' }';
$script[] = ' }';
// Add the script to the document head.
JFactory::getDocument()->addScriptDeclaration(implode("\n", $script));
self::$initialised = true;
}
// Initialize variables.
$html = array();
$attr = '';
// Initialize some field attributes.
$attr .= $this->element['class'] ? ' class="' . (string) $this->element['class'] . '"' : '';
$attr .= $this->element['size'] ? ' size="' . (int) $this->element['size'] . '"' : '';
// Initialize JavaScript field attributes.
$attr .= $this->element['onchange'] ? ' onchange="' . (string) $this->element['onchange'] . '"' : '';
$html[] = ' ';
$directory = (string) $this->element['directory'];
if ($this->value && file_exists(JPATH_ROOT . '/' . $this->value))
{
$folder = explode('/', $this->value);
array_shift($folder);
array_pop($folder);
$folder = implode('/', $folder);
}
elseif (file_exists(JPATH_ROOT . '/' . JComponentHelper::getParams('com_media')->get('image_path', 'images') . '/' . $directory))
{
$folder = $directory;
}
else
{
$folder = '';
}
$buttonTitle = "Change Image";
$class = "modal";
$buttonClass = $this->element["buttonclass"];
if(!empty($buttonClass))
$class .= " ".$buttonClass;
// The button.
$html[] = ' ';
$html[] = $buttonTitle . '';
/*
$html[] = '';
*/
return implode("\n", $html);
}
}