/**
* Updates the plugin to v2.2.1.
*
* @param int $version The current plugin version
* @return void
*/
public function migrate_to_221($version)
{
// Continue if upgrading from a lower version
if (version_compare($version, '2.2.1', '<')) {
// Get the settings
$settings = get_option('easingslider_settings');
// Bail if we have no settings or the setting we need
if (!$settings or !isset($settings->image_resizing)) {
return;
}
// Get all sliders
$sliders = ES_Slider::all();
// Migrate the "Image Resizing" option
foreach ($sliders as $slider) {
$slider->dimensions->image_resizing = $settings->image_resizing;
$slider->save();
}
// Unset the settings option
unset($settings->image_resizing);
// Update the settings
update_option('easingslider_settings', $settings);
}
}
/**
* Widget settings form
*
* @param array $instance The widget instance
*/
public function form($instance)
{
// Get all of the sliders
$sliders = ES_Slider::all();
// Print the settings
?>
<p>
<label for="<?php
echo $this->get_field_id('title');
?>
"><?php
_e('Title:', 'easingslider');
?>
</label>
<input type="text" id="<?php
echo $this->get_field_id('title');
?>
" name="<?php
echo $this->get_field_name('title');
?>
" class="widefat" value="<?php
if (isset($instance['title'])) {
echo esc_attr($instance['title']);
}
?>
">
</p>
<p>
<label for="<?php
echo $this->get_field_id('id');
?>
"><?php
_e('Select Slider:', 'easingslider');
?>
</label>
<select id="<?php
echo $this->get_field_id('id');
?>
" name="<?php
echo $this->get_field_name('id');
?>
" class="widefat">
<option value="-1"><?php
_e('— Select —', 'easingslider');
?>
</option>
<?php
foreach ($sliders as $slider) {
?>
<option value="<?php
echo esc_attr($slider->ID);
?>
" <?php
if (isset($instance['id'])) {
selected($instance['id'], $slider->ID);
}
?>
><?php
echo esc_html($slider->post_title) . sprintf(__(' (ID #%s)', 'easingslider'), $slider->ID);
?>
</option>
<?php
}
?>
</select>
</p>
<?php
}
/**
* Gets the Easing Slider "Lite" legacy slider.
*
* @return ES_Slider|false
*/
public function get_lite_slider()
{
// Bail if Easing Slider isn't active
if (!class_exists('ES_Slider')) {
return false;
}
// Get the ID of our "Lite" slider
$lite_id = get_option('easingslider_lite_slider_id');
// Get the Easing Slider "Lite" slider
$lite_slider = ES_Slider::find($lite_id);
return $lite_slider;
}
/**
* Displays the publish view
*
* @return void
*/
public function display_publish_view()
{
// Get the current page
$page = sanitize_key($_GET['page']);
// Initiate a new slider
$slider = ES_Slider::create();
// Display the view
require plugin_dir_path(dirname(__FILE__)) . 'partials/edit-slider.php';
}
/**
* Displays the view
*
* @return void
*/
public function display_view()
{
// Get the current page
$page = sanitize_key($_GET['page']);
// We need Easing Slider to be loaded by now, so continue if it has.
if (class_exists('ES_Slider')) {
// Get all sliders
$sliders = ES_Slider::all();
// If we have no sliders, tell the user.
if (empty($sliders)) {
wp_die(__('You need to create some sliders to use the customizer.', 'easingslider'));
exit;
}
// Get the specified slider, or pick the first one.
if (isset($_GET['edit'])) {
// Get and validate the ID, protecting against XSS attacks
$id = sanitize_key($_GET['edit']);
// Get the slider
$slider = ES_Slider::find($id);
} else {
// Get the first slider
$slider = array_shift(array_values($sliders));
}
// Display the view
require plugin_dir_path(dirname(__FILE__)) . 'partials/customizer.php';
}
}
/**
* Uninstall
*
* @return void
*/
public static function do_uninstall()
{
// Get the settings
$settings = get_option('easingslider_settings');
// If enabled, remove the plugin data
if ($settings->remove_data) {
// Delete all of the sliders
foreach (ES_Slider::all() as $slider) {
ES_Slider::delete($slider->ID);
}
// Delete options
delete_option('easingslider_version');
delete_option('easingslider_settings');
// Remove data hook
do_action('easingslider_remove_data');
}
// Trigger hooks
do_action('easingslider_uninstall');
}
/**
* Renders a slider, returning the HTML
*
* @param array $atts The shortcode attributes
* @return string
*/
public function render($atts = array())
{
// Allow extensions to modify
$defaults = apply_filters('easingslider_shortcode_defaults', array('id' => false));
// Combine shortcode attributes with defaults
$atts = (object) shortcode_atts($defaults, $atts);
/**
* Continue as normal if we have an ID.
*
* Otherwise, let's allow extensions to render sliders using their own method(s).
*/
if (!empty($atts->id)) {
// Find the slider
$slider = ES_Slider::find($atts->id);
// Display error message if no slider has been found
if (!$slider) {
return sprintf(__('<p><strong>The slider specified (ID #%s) could not be found.</strong></p>', 'easingslider'), $atts->id);
}
// Render and return the slider
return $slider->render();
} else {
// Start output buffer
ob_start();
// Trigger action for our extensions
do_action('easingslider_display_shortcode', (array) $atts);
// Return output buffer contents
return ob_get_clean();
}
}
/**
* Creates the Easing Slider "Lite" legacy slider.
*
* @return ES_Slider
*/
public function create_lite_slider()
{
// Create the slider
$lite_slider = ES_Slider::create();
$lite_slider->post_title = 'Easing Slider "Lite"';
$lite_slider->save();
// Save the Easing Slider "Lite" slider ID
update_option('easingslider_lite_slider_id', $lite_slider->ID);
return $lite_slider;
}
/**
* Processes a delete action
*
* @param int $id The slider ID
* @return void
*/
public function process_delete_action($id)
{
// Delete the slider
ES_Slider::delete($id);
}
