protected function getInput()
{
$assetField = $this->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 = MRequest::getCmd('option');
}
$link = (string) $this->element['link'];
if (!self::$initialised) {
// Load the modal behavior script.
MHtml::_('behavior.modal');
// Build the script.
$script = array();
$script[] = ' function jInsertFieldValue(value, id) {';
$script[] = ' var old_value = document.id(id).value;';
$script[] = ' if (old_value != value) {';
$script[] = ' var elem = document.id(id);';
$script[] = ' elem.value = value;';
$script[] = ' elem.fireEvent("change");';
$script[] = ' if (typeof(elem.onchange) === "function") {';
$script[] = ' elem.onchange();';
$script[] = ' }';
$script[] = ' jMediaRefreshPreview(id);';
$script[] = ' }';
$script[] = ' }';
$script[] = ' function jMediaRefreshPreview(id) {';
$script[] = ' var value = document.id(id).value;';
$script[] = ' var img = document.id(id + "_preview");';
$script[] = ' if (img) {';
$script[] = ' if (value) {';
$script[] = ' img.src = "' . MURI::root() . '" + value;';
$script[] = ' document.id(id + "_preview_empty").setStyle("display", "none");';
$script[] = ' document.id(id + "_preview_img").setStyle("display", "");';
$script[] = ' } else { ';
$script[] = ' img.src = ""';
$script[] = ' document.id(id + "_preview_empty").setStyle("display", "");';
$script[] = ' document.id(id + "_preview_img").setStyle("display", "none");';
$script[] = ' } ';
$script[] = ' } ';
$script[] = ' }';
$script[] = ' function jMediaRefreshPreviewTip(tip)';
$script[] = ' {';
$script[] = ' tip.setStyle("display", "block");';
$script[] = ' var img = tip.getElement("img.media-preview");';
$script[] = ' var id = img.getProperty("id");';
$script[] = ' id = id.substring(0, id.length - "_preview".length);';
$script[] = ' jMediaRefreshPreview(id);';
$script[] = ' }';
// Add the script to the document head.
MFactory::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'] . '"' : '';
// The text field.
$html[] = '<div class="fltlft">';
$html[] = ' <input type="text" name="' . $this->name . '" id="' . $this->id . '"' . ' value="' . htmlspecialchars($this->value, ENT_COMPAT, 'UTF-8') . '"' . ' readonly="readonly"' . $attr . ' />';
$html[] = '</div>';
$directory = (string) $this->element['directory'];
if ($this->value && file_exists(MPATH_ROOT . '/' . $this->value)) {
$folder = explode('/', $this->value);
array_shift($folder);
array_pop($folder);
$folder = implode('/', $folder);
} elseif (file_exists(MPATH_ROOT . '/' . MComponentHelper::getParams('com_media')->get('image_path', 'images') . '/' . $directory)) {
$folder = $directory;
} else {
$folder = '';
}
// The button.
$html[] = '<div class="button2-left">';
$html[] = ' <div class="blank">';
$html[] = ' <a class="modal" title="' . MText::_('MLIB_FORM_BUTTON_SELECT') . '"' . ' href="' . ($this->element['readonly'] ? '' : ($link ? $link : 'index.php?option=com_media&view=images&tmpl=component&asset=' . $asset . '&author=' . $this->form->getValue($authorField)) . '&fieldid=' . $this->id . '&folder=' . $folder) . '"' . ' rel="{handler: \'iframe\', size: {x: 800, y: 500}}">';
$html[] = MText::_('MLIB_FORM_BUTTON_SELECT') . '</a>';
$html[] = ' </div>';
$html[] = '</div>';
$html[] = '<div class="button2-left">';
$html[] = ' <div class="blank">';
$html[] = ' <a title="' . MText::_('MLIB_FORM_BUTTON_CLEAR') . '"' . ' href="#" onclick="';
$html[] = 'jInsertFieldValue(\'\', \'' . $this->id . '\');';
$html[] = 'return false;';
$html[] = '">';
$html[] = MText::_('MLIB_FORM_BUTTON_CLEAR') . '</a>';
$html[] = ' </div>';
$html[] = '</div>';
// The Preview.
$preview = (string) $this->element['preview'];
$showPreview = true;
$showAsTooltip = false;
switch ($preview) {
case 'false':
case 'none':
$showPreview = false;
break;
case 'true':
case 'show':
break;
case 'tooltip':
default:
$showAsTooltip = true;
$options = array('onShow' => 'jMediaRefreshPreviewTip');
MHtml::_('behavior.tooltip', '.hasTipPreview', $options);
break;
}
if ($showPreview) {
if ($this->value && file_exists(MPATH_ROOT . '/' . $this->value)) {
$src = MURI::root() . $this->value;
} else {
$src = '';
}
$attr = array('id' => $this->id . '_preview', 'class' => 'media-preview', 'style' => 'max-width:160px; max-height:100px;');
$img = MHtml::image($src, MText::_('MLIB_FORM_MEDIA_PREVIEW_ALT'), $attr);
$previewImg = '<div id="' . $this->id . '_preview_img"' . ($src ? '' : ' style="display:none"') . '>' . $img . '</div>';
$previewImgEmpty = '<div id="' . $this->id . '_preview_empty"' . ($src ? ' style="display:none"' : '') . '>' . MText::_('MLIB_FORM_MEDIA_PREVIEW_EMPTY') . '</div>';
$html[] = '<div class="media-preview fltlft">';
if ($showAsTooltip) {
$tooltip = $previewImgEmpty . $previewImg;
$options = array('title' => MText::_('MLIB_FORM_MEDIA_PREVIEW_SELECTED_IMAGE'), 'text' => MText::_('MLIB_FORM_MEDIA_PREVIEW_TIP_TITLE'), 'class' => 'hasTipPreview');
$html[] = MHtml::tooltip($tooltip, $options);
} else {
$html[] = ' ' . $previewImgEmpty;
$html[] = ' ' . $previewImg;
}
$html[] = '</div>';
}
return implode("\n", $html);
}