/**
* Render an HTML mini-preview of the slide images, for use in the widget selector. TODO UNFINISHED
*
* This allows an at-a-glance verification that the selected slide group is the desired slide group.
*
* @return void
*/
public function mini_preview()
{
/*
* Extract background images from slides.
* (Get thumbnail versions?)
* Get suggested crop width and height, scale down proportionally to calculate thumbnail size of template
* Render thumbnail images against those dimensions
* JS to spin through them with some kind of animation?
How do we disclaim that this isn't truly WYSIWYG? Is that a problem?
*/
if (empty($this->template) || empty($this->templateLocation)) {
if (!$this->load()) {
return false;
}
}
// load template information
try {
$t = new Total_Slider_Template($this->template, $this->templateLocation);
} catch (Exception $e) {
if (defined('WP_DEBUG') && WP_DEBUG) {
printf(__('Unable to render the slide mini-preview: %s (error code %d)', 'total-slider'), $e->getMessage(), $e->getCode());
}
return false;
}
$template_options = $t->determine_options();
?>
<p><strong><?php
_e('Template:', 'total-slider');
?>
</strong> <?php
echo esc_html($t->name());
?>
</p><?php
$current_slides = get_option('total_slider_slides_' . $this->slug);
if (false === $current_slides || !is_array($current_slides) || count($current_slides) < 0) {
?>
<p><?php
_e('There are no slides to show.', 'total-slider');
?>
</p><?php
return true;
}
?>
<div class="total-slider-mini-preview">
<ul><?php
foreach ($current_slides as $idx => $slide) {
if (is_numeric($slide['background']) && intval($slide['background']) == $slide['background']) {
// background references an attachment ID
$image = wp_get_attachment_image_src(intval($slide['background']), 'thumbnail');
$image = $image[0];
} else {
$image = $slide['background'];
}
?>
<li><img src="<?php
echo esc_url($image);
?>
" alt="<?php
echo esc_attr($slide['title']);
?>
" title="<?php
echo esc_attr($slide['title']);
?>
" width="100" height="32" /></li><?php
}
?>
</ul>
</div><?php
}
/**
* Return the template name used for the slide group.
*
* @param Total_Slide_Group $item A slide group object.
* @return string
*/
public function column_template($item)
{
if (property_exists($item, 'template') && !empty($item->template) && property_exists($item, 'templateLocation') && !empty($item->templateLocation)) {
// load template's friendly name
try {
$t = new Total_Slider_Template($item->template, $item->templateLocation);
} catch (Exception $e) {
return esc_html($item->template);
}
if ($t->name()) {
return esc_html($t->name());
} else {
return esc_html($item->template);
}
} else {
return 'Default';
}
}
