<?php
/**
* @package Joomla.Libraries
* @subpackage Form
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('_JEXEC') or die;
jimport('joomla.form.field');
/**
* Form Field class for the Joomla CMS.
* Provides a modal media selector including upload mechanism
*
* @since 1.6
*/
class JMapHtmlMetaimage extends JFormField {
/**
* The form field type.
*
* @var string
*/
protected $type = 'Metaimage';
/**
* The initialised state of the document object.
*
* @var boolean
*/
protected static $initialised = false;
/**
* The link.
*
* @var string
*/
protected $link;
/**
* The authorField.
*
* @var string
*/
protected $preview;
/**
* The preview.
*
* @var string
*/
protected $directory;
/**
* The data ajax identifier.
*
* @var int
*/
protected $dataIdentifier;
/**
* The previewWidth.
*
* @var int
*/
protected $previewWidth;
/**
* The previewHeight.
*
* @var int
*/
protected $previewHeight;
/**
* Method to get certain otherwise inaccessible properties from the form field object.
*
* @param string $name The property name for which to the the value.
*
* @return mixed The property value or null.
*
* @since 3.2
*/
public function __get($name)
{
switch ($name)
{
case 'link':
case 'preview':
case 'directory':
case 'previewWidth':
case 'previewHeight':
case 'dataIdentifier':
return $this->$name;
}
return parent::__get($name);
}
/**
* Method to set certain otherwise inaccessible properties of the form field object.
*
* @param string $name The property name for which to the the value.
* @param mixed $value The value of the property.
*
* @return void
*
* @since 3.2
*/
public function __set($name, $value)
{
switch ($name)
{
case 'link':
case 'preview':
case 'directory':
$this->$name = (string) $value;
break;
case 'previewWidth':
case 'previewHeight':
case 'dataIdentifier':
$this->$name = (int) $value;
break;
default:
$reflectionClass = new ReflectionClass($this);
$parentClass = $reflectionClass->getParentClass();
try {
if($parentClass->getMethod('__set')) {
parent::__set($name, $value);
}
} catch(Exception $e){}
}
}
/**
* Method to attach a JForm object to the field.
*
* @param SimpleXMLElement $element The SimpleXMLElement object representing the <field /> tag for the form field object.
* @param mixed $value The form field value to validate.
* @param string $group The field name group control value. This acts as as an array container for the field.
* For example if the field has name="foo" and the group value is set to "bar" then the
* full field name would end up being "bar[foo]".
*
* @return boolean True on success.
*
* @see JFormField::setup()
* @since 3.2
*/
public function setup(SimpleXMLElement $element, $value, $group = null)
{
$result = parent::setup($element, $value, $group);
return $result;
}
/**
* Method to get the field input markup for a media selector.
* Use attributes to identify specific created_by and asset_id fields
*
* @return string The field input markup.
*
* @since 1.6
*/
protected function getInput()
{
if (!self::$initialised)
{
// Load the modal behavior script.
JHtml::_('behavior.modal');
// Include jQuery
JHtml::_('jquery.framework');
// Build the script.
$script = array();
$script[] = ' function jInsertFieldValue(value, id) {';
$script[] = ' var $ = jQuery.noConflict();';
$script[] = ' var old_value = $("#" + id).val();';
$script[] = ' if (old_value != value) {';
$script[] = ' var $elem = $("#" + id);';
$script[] = ' $elem.val(value);';
$script[] = ' $elem.trigger("change");';
$script[] = ' if (typeof($elem.get(0).onchange) === "function") {';
$script[] = ' $elem.get(0).onchange();';
$script[] = ' }';
$script[] = ' jMediaRefreshPreview(id);';
$script[] = ' var parentRow = $("#" + id).parents("tr");';
$script[] = ' JMapMetainfo.refreshRowStatus(parentRow, $elem.data("mediaidentifier"));';
$script[] = ' }';
$script[] = ' }';
$script[] = ' function jMediaRefreshPreview(id) {';
$script[] = ' var $ = jQuery.noConflict();';
$script[] = ' var value = $("#" + id).val();';
$script[] = ' if(!value)return;';
$script[] = ' value = value.replace(new RegExp("^[/]+"), "")';
$script[] = ' value = value.match(/http/g) ? value : "'. JUri::root() . '" + value';
$script[] = ' var $img = $("#" + id + "_preview");';
$script[] = ' if ($img.length) {';
$script[] = ' if (value) {';
$script[] = ' $img.attr("src", value);';
$script[] = ' $("#" + id + "_preview_empty").hide();';
$script[] = ' $("#" + id + "_preview_img").show()';
$script[] = ' } else { ';
$script[] = ' $img.attr("src", "");';
$script[] = ' $("#" + id + "_preview_empty").show();';
$script[] = ' $("#" + id + "_preview_img").hide();';
$script[] = ' } ';
$script[] = ' } ';
$script[] = ' }';
$script[] = ' function jMediaRefreshPreviewTip(tip)';
$script[] = ' {';
$script[] = ' var $ = jQuery.noConflict();';
$script[] = ' var $tip = $(tip);';
$script[] = ' var $img = $tip.find("img.media-preview");';
$script[] = ' $tip.find("div.tip").css("max-width", "none");';
$script[] = ' var id = $img.attr("id");';
$script[] = ' id = id.substring(0, id.length - "_preview".length);';
$script[] = ' jMediaRefreshPreview(id);';
$script[] = ' $tip.show();';
$script[] = ' }';
// Add the script to the document head.
JFactory::getDocument()->addScriptDeclaration(implode("\n", $script));
self::$initialised = true;
}
$html = array();
$attr = '';
// Initialize some field attributes.
$attr .= !empty($this->class) ? ' class="input-small ' . $this->class . '"' : ' class="input-small"';
$attr .= !empty($this->size) ? ' size="' . $this->size . '"' : '';
// The text field.
$html[] = '<div class="input-prepend input-append ' . $this->class . '">';
// The Preview.
$showPreview = true;
$showAsTooltip = true;
$options = array(
'onShow' => 'jMediaRefreshPreviewTip',
);
JHtml::_('behavior.tooltip', '.hasTipPreview', $options);
if ($showPreview)
{
if ($this->value && file_exists(JPATH_ROOT . '/' . $this->value))
{
$src = JUri::root() . $this->value;
}
else
{
$src = '';
}
$width = $this->previewWidth;
$height = $this->previewHeight;
$style = '';
$style .= ($width > 0) ? 'max-width:' . $width . 'px;' : '';
$style .= ($height > 0) ? 'max-height:' . $height . 'px;' : '';
$imgattr = array(
'id' => $this->id . '_preview',
'class' => 'media-preview',
'style' => $style,
);
$img = JHtml::image($src, JText::_('JLIB_FORM_MEDIA_PREVIEW_ALT'), $imgattr);
$previewImg = '<div id="' . $this->id . '_preview_img"' . ($src ? '' : ' style="display:none"') . '>' . $img . '</div>';
$previewImgEmpty = '<div id="' . $this->id . '_preview_empty"' . ($src ? ' style="display:none"' : '') . '>'
. JText::_('JLIB_FORM_MEDIA_PREVIEW_EMPTY') . '</div>';
$html[] = '<div class="media-preview add-on">';
$tooltip = $previewImgEmpty . $previewImg;
$options = array(
'title' => JText::_('JLIB_FORM_MEDIA_PREVIEW_SELECTED_IMAGE'),
'text' => '<span class="icon-eye"></span>',
'class' => 'hasTipPreview'
);
$html[] = JHtml::tooltip($tooltip, $options);
$html[] = '</div>';
}
$html[] = ' <input type="text" data-mediaidentifier="' . $this->dataIdentifier . '" name="' . $this->name . '" id="' . $this->id . '" value="'
. htmlspecialchars($this->value, ENT_COMPAT, 'UTF-8') . '"' . $attr . ' />';
if ($this->value && file_exists(JPATH_ROOT . '/' . $this->value))
{
$folder = explode('/', ltrim($this->value, '/'));
$folder = array_diff_assoc($folder, explode('/', JComponentHelper::getParams('com_media')->get('image_path', 'images')));
array_pop($folder);
$folder = implode('/', $folder);
}
elseif (file_exists(JPATH_ROOT . '/' . JComponentHelper::getParams('com_media')->get('image_path', 'images') . '/' . $this->directory))
{
$folder = $this->directory;
}
else
{
$folder = '';
}
// The button.
if ($this->disabled != true)
{
JHtml::_('bootstrap.tooltip');
$html[] = '<a class="modal btn" title="' . JText::_('JLIB_FORM_BUTTON_SELECT') . '" href="'
. ($this->readonly ? ''
: ($this->link ? $this->link
: 'index.php?option=com_media&view=images&tmpl=component&author='
. 'jmap') . '&fieldid=' . $this->id . '&folder=' . $folder) . '"'
. ' rel="{handler: \'iframe\', size: {x: 1024, y: 640}}">';
$html[] = JText::_('JLIB_FORM_BUTTON_SELECT') . '</a><a class="btn hasTooltip" title="'
. JText::_('JLIB_FORM_BUTTON_CLEAR') . '" href="#" onclick="';
$html[] = 'jInsertFieldValue(\'\', \'' . $this->id . '\');';
$html[] = 'return false;';
$html[] = '">';
$html[] = '<span class="icon-remove"></span></a>';
}
$html[] = '</div>';
return implode("\n", $html);
}
}