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<?php
/**
* SlideshowPluginInstaller takes care of setting up slideshow setting values and transferring to newer version without
* losing any settings.
*
* @since 2.1.20
* @author Stefan Boonstra
*/
class SlideshowPluginInstaller
{
/** @var string $versionKey Version option key */
private static $versionKey = 'slideshow-jquery-image-gallery-plugin-version';
/**
* Determines whether or not to perform an update to the plugin.
* Checks are only performed when on admin pages as not to slow down the website.
*
* @since 2.1.20
*/
static function init()
{
// Only check versions in admin
if (!is_admin())
{
return;
}
// Transfer if no version number is set, or the new version number is greater than the current one saved in the database
$currentVersion = get_option(self::$versionKey, null);
if ($currentVersion == null ||
self::firstVersionGreaterThanSecond(SlideshowPluginMain::$version, $currentVersion))
{
self::update($currentVersion);
}
// New installation
if ($currentVersion == null)
{
// Set up capabilities
self::setCapabilities();
}
}
/**
* Updates user to correct version
*
* @since 2.1.20
* @param string $currentVersion
*/
private static function update($currentVersion)
{
// Version numbers are registered after version 2.1.20
if($currentVersion == null)
{
self::updateV1toV2();
self::updateV2toV2_1_20();
}
// Update to version 2.1.22
if (self::firstVersionGreaterThanSecond('2.1.22', $currentVersion) ||
$currentVersion == null)
{
self::setCapabilities();
}
// Update to version 2.1.23
if (self::firstVersionGreaterThanSecond('2.1.23', $currentVersion) ||
$currentVersion == null)
{
self::updateV2_1_20_to_V2_2_1_23();
}
// Update to version 2.2.0
if (self::firstVersionGreaterThanSecond('2.2.0', $currentVersion) ||
$currentVersion == null)
{
self::updateV2_1_23_to_V_2_2_0();
}
// Update to version 2.2.8
if (self::firstVersionGreaterThanSecond('2.2.8', $currentVersion) ||
$currentVersion == null)
{
self::updateV2_2_0_to_V_2_2_8();
}
// Update to version 2.2.12
if (self::firstVersionGreaterThanSecond('2.2.12', $currentVersion) ||
$currentVersion == null)
{
self::updateV2_2_8_to_V_2_2_12();
}
// Update to version 2.2.16
if (self::firstVersionGreaterThanSecond('2.2.16', $currentVersion) ||
$currentVersion == null)
{
self::updateV2_2_12_to_V_2_2_16();
}
// Update to version 2.2.17
if (self::firstVersionGreaterThanSecond('2.2.17', $currentVersion) ||
$currentVersion == null)
{
self::updateV2_2_16_to_V_2_2_17();
}
// Update to version 2.2.20
if (self::firstVersionGreaterThanSecond('2.2.20', $currentVersion) ||
$currentVersion == null)
{
self::updateV2_2_17_to_V_2_2_20();
}
// Set new version
update_option(self::$versionKey, SlideshowPluginMain::$version);
}
/**
* Version 2.2.17 to 2.2.20
*
* Version 2.2.20 allows users to choose what kind of element displays the title and description of a slide. This
* replaces all default header (h2) and paragraph (p) elements with a default div element. This method will update
* all custom stylesheets with the new selectors.
*
* @since 2.2.20
*/
private static function updateV2_2_17_to_V_2_2_20()
{
// Check if this has already been done
if (get_option('slideshow-jquery-image-gallery-updated-from-v2-2-17-to-v2-2-20') !== false)
{
return;
}
$additionalCSS =
"
.slideshow_container .slideshow_slide_text p,
.slideshow_container .slideshow_slide_text h1,
.slideshow_container .slideshow_slide_text h2,
.slideshow_container .slideshow_slide_text h3,
.slideshow_container .slideshow_slide_text h4,
.slideshow_container .slideshow_slide_text h5,
.slideshow_container .slideshow_slide_text h6 { text-align: center; }
.slideshow_container .slideshow_description_box div,
.slideshow_container .slideshow_description_box div a,
.slideshow_container .slideshow_description_box p,
.slideshow_container .slideshow_description_box p a,
.slideshow_container .slideshow_description_box h1,
.slideshow_container .slideshow_description_box h1 a,
.slideshow_container .slideshow_description_box h2,
.slideshow_container .slideshow_description_box h2 a,
.slideshow_container .slideshow_description_box h3,
.slideshow_container .slideshow_description_box h3 a,
.slideshow_container .slideshow_description_box h4,
.slideshow_container .slideshow_description_box h4 a,
.slideshow_container .slideshow_description_box h5,
.slideshow_container .slideshow_description_box h5 a,
.slideshow_container .slideshow_description_box h6,
.slideshow_container .slideshow_description_box h6 a {
text-align: center;
color: #fff;
}
";
$customStylesOptionsKey = 'slideshow-jquery-image-gallery-custom-styles';
// Get all custom stylesheet keys
$customStyles = get_option($customStylesOptionsKey, array());
if (is_array($customStyles))
{
foreach ($customStyles as $customStyleKey => $customStyleValue)
{
// Get custom style from custom style key
$customStyle = get_option($customStyleKey, null);
if (!isset($customStyle))
{
continue;
}
$customStyle = str_replace('.slideshow_description', '.slideshow_description_box', $customStyle);
$customStyle = str_replace('.slideshow_slide_text h2', '.slideshow_slide_text div.slideshow_title', $customStyle);
$customStyle = str_replace('.slideshow_slide_text p', '.slideshow_slide_text div.slideshow_description', $customStyle);
$customStyle = str_replace('.slideshow_description_box h2', '.slideshow_description_box div.slideshow_title', $customStyle);
$customStyle = str_replace('.slideshow_description_box p', '.slideshow_description_box div.slideshow_description', $customStyle);
$customStyle .= $additionalCSS;
// Save
update_option($customStyleKey, $customStyle);
}
}
add_option('slideshow-jquery-image-gallery-updated-from-v2-2-17-to-v2-2-20', 'updated', '', false);
}
/**
* Version 2.2.16 to 2.2.17
*
* The 'Zoom to fit' option has been renamed 'Crop to fit'.
*
* @since 2.2.16
*/
private static function updateV2_2_16_to_V_2_2_17()
{
// Check if this has already been done
if (get_option('slideshow-jquery-image-gallery-updated-from-v2-2-16-to-v2-2-17') !== false)
{
return;
}
// Get slideshows
$slideshows = get_posts(array(
'numberposts' => -1,
'offset' => 0,
'post_type' => 'slideshow'
));
// Loop through slideshows
if (is_array($slideshows) &&
count($slideshows) > 0)
{
foreach ($slideshows as $slideshow)
{
// Get settings
$settings = maybe_unserialize(get_post_meta(
$slideshow->ID,
'settings',
true
));
if (isset($settings['imageBehaviour']) &&
$settings['imageBehaviour'] === 'zoom')
{
$settings['imageBehaviour'] = 'crop';
}
if (isset($settings['stretchImages']))
{
unset($settings['stretchImages']);
}
// Update post meta
update_post_meta(
$slideshow->ID,
'settings',
$settings
);
}
}
add_option('slideshow-jquery-image-gallery-updated-from-v2-2-16-to-v2-2-17', 'updated', '', false);
}
/**
* Version 2.2.12 to 2.2.16
*
* The 'Fit image into slide' setting has been replaced with the 'Image behaviour' setting.
*
* @since 2.2.16
*/
private static function updateV2_2_12_to_V_2_2_16()
{
// Check if this has already been done
if (get_option('slideshow-jquery-image-gallery-updated-from-v2-2-12-to-v2-2-16') !== false)
{
return;
}
// Get slideshows
$slideshows = get_posts(array(
'numberposts' => -1,
'offset' => 0,
'post_type' => 'slideshow'
));
// Loop through slideshows
if (is_array($slideshows) &&
count($slideshows) > 0)
{
foreach ($slideshows as $slideshow)
{
// Get settings
$settings = maybe_unserialize(get_post_meta(
$slideshow->ID,
'settings',
true
));
if (isset($settings['stretchImages']))
{
if ($settings['stretchImages'] === 'true')
{
$settings['imageBehaviour'] = 'stretch';
}
else
{
$settings['imageBehaviour'] = 'natural';
}
unset($settings['stretchImages']);
}
else
{
$settings['imageBehaviour'] = 'natural';
}
// Update post meta
update_post_meta(
$slideshow->ID,
'settings',
$settings
);
}
}
add_option('slideshow-jquery-image-gallery-updated-from-v2-2-12-to-v2-2-16', 'updated', '', false);
}
/**
* Version 2.2.8 to 2.2.12
*
* Version 2.2.12 introduces a loading icon to entertain those nice folks while waiting for the first slide to load.
* This function puts the CSS for the loading icon into the custom stylesheets.
*
* @since 2.2.12
*/
private static function updateV2_2_8_to_V_2_2_12()
{
// Check if this has already been done
if (get_option('slideshow-jquery-image-gallery-updated-from-v2-2-8-to-v2-2-12') !== false)
{
return;
}
$customStylesOptionsKey = 'slideshow-jquery-image-gallery-custom-styles';
// Get all custom stylesheet keys
$customStyles = get_option($customStylesOptionsKey, array());
if (is_array($customStyles))
{
foreach ($customStyles as $customStyleKey => $customStyleValue)
{
// Get custom style from custom style key
$customStyle = get_option($customStyleKey, null);
if (!isset($customStyle))
{
continue;
}
$customStyle .= PHP_EOL . PHP_EOL . '.slideshow_container .slideshow_loading_icon {' . PHP_EOL .
"\t" . 'position: absolute;' . PHP_EOL .
"\t" . 'top: 50%;' . PHP_EOL .
"\t" . 'left: 50%;' . PHP_EOL .
"\t" . 'width: 32px;' . PHP_EOL .
"\t" . 'height: 32px;' . PHP_EOL .
"\t" . 'margin: -16px 0 0 -16px;' . PHP_EOL .
"\t" . 'background: url(\'%plugin-url%/images/SlideshowPlugin/loading-icon-128x128.gif\') no-repeat;' . PHP_EOL .
"\t" . 'background-size: 32px 32px;' . PHP_EOL .
'}';
// Save
update_option($customStyleKey, $customStyle);
}
}
add_option('slideshow-jquery-image-gallery-updated-from-v2-2-8-to-v2-2-12', 'updated', '', false);
}
/**
* Version 2.2.0 to 2.2.8
*
* In order to output valid HTML, the anchor elements have been moved inside the header and paragraph elements,
* rather than wrapping around them. This requires an 'a' to be added to the description classes for the header
* and paragraph, which is done here.
*
* @since 2.2.8
*/
private static function updateV2_2_0_to_V_2_2_8()
{
// Check if this has already been done
if (get_option('slideshow-jquery-image-gallery-updated-from-v2-2-0-to-v2-2-8') !== false)
{
return;
}
$customStylesOptionsKey = 'slideshow-jquery-image-gallery-custom-styles';
// Get all custom stylesheet keys
$customStyles = get_option($customStylesOptionsKey, array());
if (is_array($customStyles))
{
foreach ($customStyles as $customStyleKey => $customStyleValue)
{
// Get custom style from custom style key
$customStyle = get_option($customStyleKey, null);
if (!isset($customStyle))
{
continue;
}
$h2Class = '.slideshow_container .slideshow_description h2';
$pClass = '.slideshow_container .slideshow_description p';
// Don't add to custom styles that already have this rule
if (stripos($customStyle, $h2Class . ' a') !== false ||
stripos($customStyle, $pClass . ' a') !== false)
{
continue;
}
// Add anchor classes
$h2Position = stripos($customStyle, $h2Class) + strlen($h2Class);
$customStyle = substr($customStyle, 0, $h2Position) . ' a ' . substr($customStyle, $h2Position);
$pPosition = stripos($customStyle, $pClass) + strlen($pClass);
$customStyle = substr($customStyle, 0, $pPosition) . ' a ' . substr($customStyle, $pPosition);
// Save
update_option($customStyleKey, $customStyle);
}
}
add_option('slideshow-jquery-image-gallery-updated-from-v2-2-0-to-v2-2-8', 'updated', '', false);
}
/**
* Version 2.2.0 comes with redesigned stylesheets, which makes the old ones obsolete. Set the style settings for
* each slideshow to 'Light', if it's a custom style.
*
* @since 2.2.0
*/
private static function updateV2_1_23_to_V_2_2_0()
{
// Check if this has already been done
if (get_option('slideshow-jquery-image-gallery-updated-from-v2-1-23-to-v2-2-0') !== false)
{
return;
}
// Get slideshows
$slideshows = get_posts(array(
'numberposts' => -1,
'offset' => 0,
'post_type' => 'slideshow'
));
// Loop through slideshows
if (is_array($slideshows) &&
count($slideshows) > 0)
{
foreach ($slideshows as $slideshow)
{
// Get settings
$styleSettings = maybe_unserialize(get_post_meta(
$slideshow->ID,
'styleSettings',
true
));
if (!is_array($styleSettings) || count($styleSettings) <= 0)
{
continue;
}
// Only set style to the default light style if the style is currently a custom one
if (isset($styleSettings['style']) &&
$styleSettings['style'] != 'light' &&
$styleSettings['style'] != 'dark')
{
$styleSettings['style'] = 'light';
}
// Delete 'custom' key from array
unset($styleSettings['custom']);
// Update post meta
update_post_meta(
$slideshow->ID,
'styleSettings',
$styleSettings
);
}
}
add_option('slideshow-jquery-image-gallery-updated-from-v2-1-23-to-v2-2-0', 'updated', '', false);
}
/**
* Version 2.1.23 introduces shared custom styles. Styles customized by a user need to be converted to a custom
* style on the General Settings page.
*
* @since 2.1.23
*/
private static function updateV2_1_20_to_V2_2_1_23()
{
// Check if this has already been done
if (get_option('slideshow-jquery-image-gallery-updated-from-v2-1-20-to-v2-1-23') !== false)
{
return;
}
// Get slideshows
$slideshows = get_posts(array(
'numberposts' => -1,
'offset' => 0,
'post_type' => 'slideshow'
));
// Loop through slideshows
if (is_array($slideshows) &&
count($slideshows) > 0)
{
foreach ($slideshows as $slideshow)
{
// Get settings
$styleSettings = maybe_unserialize(get_post_meta(
$slideshow->ID,
'styleSettings',
true
));
if (!is_array($styleSettings) ||
count($styleSettings) <= 0)
{
continue;
}
// Only save custom style when it's the current setting
if (isset($styleSettings['style']) &&
$styleSettings['style'] == 'custom' &&
isset($styleSettings['custom']) &&
!empty($styleSettings['custom']))
{
// Custom style key
$stylesKey = 'slideshow-jquery-image-gallery-custom-styles';
$customStyleKey = $stylesKey . '_' . $slideshow->ID;
// Add stylesheet to database, continue to next post when failed.
if (!add_option($customStyleKey, $styleSettings['custom'], '', 'no'))
{
continue;
}
// Get list of stylesheets to link the new stylesheet to.
$styleSheets = get_option($stylesKey, array());
// Stylesheets must be an array
if (!is_array($styleSheets) ||
count($styleSheets) <= 0)
{
$styleSheets = array();
}
// Link new stylesheet to stylesheets array
$styleSheets[$customStyleKey] = $slideshow->post_title . ' (ID: ' . $slideshow->ID . ')';
// Update stylesheets array
update_option($stylesKey, $styleSheets);
// Set style setting to the custom style's key
$styleSettings['style'] = $customStyleKey;
}
// Delete 'custom' key from array
unset($styleSettings['custom']);
// Update post meta
update_post_meta(
$slideshow->ID,
'styleSettings',
$styleSettings
);
}
}
add_option('slideshow-jquery-image-gallery-updated-from-v2-1-20-to-v2-1-23', 'updated', '', false);
}
/**
* Sets capabilities for the default users that have access to creating, updating and deleting slideshows.
*
* @since 2.1.22
*/
private static function setCapabilities()
{
// Check if update has already been done
if (get_option('slideshow-jquery-image-gallery-updated-from-v2-1-20-to-v2-1-22') !== false)
{
return;
}
// Capabilities
$addSlideshows = 'slideshow-jquery-image-gallery-add-slideshows';
$editSlideshows = 'slideshow-jquery-image-gallery-edit-slideshows';
$deleteSlideshow = 'slideshow-jquery-image-gallery-delete-slideshows';
// Add capabilities to roles
$roles = array('administrator', 'editor', 'author');
foreach ($roles as $roleName)
{
// Get role
$role = get_role($roleName);
// Continue on non-existent role
if ($role == null)
{
continue;
}
// Add capability to role
$role->add_cap($addSlideshows);
$role->add_cap($editSlideshows);
$role->add_cap($deleteSlideshow);
}
// Register as updated
add_option('slideshow-jquery-image-gallery-updated-from-v2-1-20-to-v2-1-22', 'updated', '', false);
}
/**
* Updates v2 to the 2.1.20 settings storage system,
* which uses three post-meta values instead of one.
*
* @since 2.1.20
*/
private static function updateV2toV2_1_20()
{
// Check if this has already been done
if (get_option('slideshow-plugin-updated-from-v2-to-v2-1-20') !== false)
{
return;
}
// Get slideshows
$slideshows = get_posts(array(
'numberposts' => -1,
'offset' => 0,
'post_type' => 'slideshow'
));
// Loop through slideshows
if (is_array($slideshows) &&
count($slideshows) > 0)
{
foreach ($slideshows as $slideshow)
{
// Get settings
$settings = maybe_unserialize(get_post_meta(
$slideshow->ID,
'settings',
true
));
if (!is_array($settings) ||
count($settings) <= 0)
{
continue;
}
// Old prefixes
$settingsPrefix = 'setting_';
$stylePrefix = 'style_';
$slidePrefix = 'slide_';
// Meta keys
$settingsKey = 'settings';
$styleSettingsKey = 'styleSettings';
$slidesKey = 'slides';
// Extract key => value into new arrays
$newSettings = array();
$styleSettings = array();
$slides = array();
foreach ($settings as $key => $value)
{
if ($settingsPrefix == substr($key, 0, strlen($settingsPrefix)))
{
$newSettings[substr($key, strlen($settingsPrefix))] = $value;
}
elseif ($stylePrefix == substr($key, 0, strlen($stylePrefix)))
{
$styleSettings[substr($key, strlen($stylePrefix))] = $value;
}
elseif ($slidePrefix == substr($key, 0, strlen($slidePrefix)))
{
$slides[substr($key, strlen($slidePrefix))] = $value;
}
}
// Slides are prefixed with another prefix, their order ID. All settings of one slide should go into an
// array referenced by their order ID. Create order lookup array below, then order slides accordingly
$slidesOrderLookup = array();
foreach ($slides as $key => $value)
{
$key = explode('_', $key);
if ($key[1] == 'order')
{
$slidesOrderLookup[$value] = $key[0];
}
}
// Order slides with order lookup array
$orderedSlides = array();
foreach ($slides as $key => $value)
{
$key = explode('_', $key);
foreach ($slidesOrderLookup as $order => $id)
{
if ($key[0] == $id)
{
// Create array if slot is empty
if (!isset($orderedSlides[$order]) ||
!is_array($orderedSlides[$order]))
{
$orderedSlides[$order] = array();
}
// Add slide value to array
$orderedSlides[$order][$key[1]] = $value;
// Slide ID found and value placed in correct order slot, break to next $value
break;
}
}
}
// Update post meta
update_post_meta($slideshow->ID, $settingsKey, $newSettings);
update_post_meta($slideshow->ID, $styleSettingsKey, $styleSettings);
update_post_meta($slideshow->ID, $slidesKey, $orderedSlides);
}
}
add_option('slideshow-plugin-updated-from-v2-to-v2-1-20', 'updated', '', false);
}
/**
* Updates v1 slides to the V2 slide format
* Slides are no longer attachments, convert attachments to post-meta.
*
* @since 2.0.1
*/
private static function updateV1toV2()
{
// Check if this has already been done
if (get_option('slideshow-plugin-updated-from-v1-x-x-to-v2-0-1') !== false)
{
return;
}
// Get posts
$posts = get_posts(array(
'numberposts' => -1,
'offset' => 0,
'post_type' => 'slideshow'
));
// Loop through posts
foreach ($posts as $post)
{
// Stores highest slide id.
$highestSlideId = -1;
// Defaults
$defaultData = $data = array(
'style_style' => 'light',
'style_custom' => '',
'setting_animation' => 'slide',
'setting_slideSpeed' => '1',
'setting_descriptionSpeed' => '0.4',
'setting_intervalSpeed' => '5',
'setting_play' => 'true',
'setting_loop' => 'true',
'setting_slidesPerView' => '1',
'setting_width' => '0',
'setting_height' => '200',
'setting_descriptionHeight' => '50',
'setting_stretchImages' => 'true',
'setting_controllable' => 'true',
'setting_controlPanel' => 'false',
'setting_showDescription' => 'true',
'setting_hideDescription' => 'true'
);
$yes = __('Yes', 'slideshow-plugin');
$no = __('No', 'slideshow-plugin');
$data = array( // $data : array([prefix_settingName] => array([inputType], [value], [default], [description], array([options]), array([dependsOn], [onValue]), 'group' => [groupName]))
'style_style' => array('select', '', $defaultData['style_style'], __('The style used for this slideshow', 'slideshow-plugin'), array('light' => __('Light', 'slideshow-plugin'), 'dark' => __('Dark', 'slideshow-plugin'), 'custom' => __('Custom', 'slideshow-plugin'))),
'style_custom' => array('textarea', '', $defaultData['style_custom'], __('Custom style editor', 'slideshow-plugin'), null, array('style_style', 'custom')),
'setting_animation' => array('select', '', $defaultData['setting_animation'], __('Animation used for transition between slides', 'slideshow-plugin'), array('slide' => __('Slide', 'slideshow-plugin'), 'fade' => __('Fade', 'slideshow-plugin')), 'group' => __('Animation', 'slideshow-plugin')),
'setting_slideSpeed' => array('text', '', $defaultData['setting_slideSpeed'], __('Number of seconds the slide takes to slide in', 'slideshow-plugin'), 'group' => __('Animation', 'slideshow-plugin')),
'setting_descriptionSpeed' => array('text', '', $defaultData['setting_descriptionSpeed'], __('Number of seconds the description takes to slide in', 'slideshow-plugin'), 'group' => __('Animation', 'slideshow-plugin')),
'setting_intervalSpeed' => array('text', '', $defaultData['setting_intervalSpeed'], __('Seconds between changing slides', 'slideshow-plugin'), 'group' => __('Animation', 'slideshow-plugin')),
'setting_slidesPerView' => array('text', '', $defaultData['setting_slidesPerView'], __('Number of slides to fit into one slide', 'slideshow-plugin'), 'group' => __('Display', 'slideshow-plugin')),
'setting_width' => array('text', '', $defaultData['setting_width'], __('Width of the slideshow, set to parent's width on 0', 'slideshow-plugin'), 'group' => __('Display', 'slideshow-plugin')),
'setting_height' => array('text', '', $defaultData['setting_height'], __('Height of the slideshow', 'slideshow-plugin'), 'group' => __('Display', 'slideshow-plugin')),
'setting_descriptionHeight' => array('text', '', $defaultData['setting_descriptionHeight'], __('Height of the description boxes', 'slideshow-plugin'), 'group' => __('Display', 'slideshow-plugin')),
'setting_stretchImages' => array('radio', '', $defaultData['setting_stretchImages'], __('Fit image into slide (stretching it)', 'slideshow-plugin'), array('true' => $yes, 'false' => $no), 'group' => __('Display', 'slideshow-plugin')),
'setting_showDescription' => array('radio', '', $defaultData['setting_showDescription'], __('Show title and description', 'slideshow-plugin'), array('true' => $yes, 'false' => $no), 'group' => __('Display', 'slideshow-plugin')),
'setting_hideDescription' => array('radio', '', $defaultData['setting_hideDescription'], __('Hide description box, it will pop up when a mouse hovers over the slide', 'slideshow-plugin'), array('true' => $yes, 'false' => $no), array('setting_showDescription', 'true'), 'group' => __('Display', 'slideshow-plugin')),
'setting_play' => array('radio', '', $defaultData['setting_play'], __('Automatically slide to the next slide', 'slideshow-plugin'), array('true' => $yes, 'false' => $no), 'group' => __('Control', 'slideshow-plugin')),
'setting_loop' => array('radio', '', $defaultData['setting_loop'], __('Return to the beginning of the slideshow after last slide', 'slideshow-plugin'), array('true' => $yes, 'false' => $no), 'group' => __('Control', 'slideshow-plugin')),
'setting_controllable' => array('radio', '', $defaultData['setting_controllable'], __('Activate buttons (so the user can scroll through the slides)', 'slideshow-plugin'), array('true' => $yes, 'false' => $no), 'group' => __('Control', 'slideshow-plugin')),
'setting_controlPanel' => array('radio', '', $defaultData['setting_controlPanel'], __('Show control panel (play and pause button)', 'slideshow-plugin'), array('true' => $yes, 'false' => $no), 'group' => __('Control', 'slideshow-plugin')),
);
// Get settings
$currentSettings = get_post_meta(
$post->ID,
'settings',
true
);
// Fill data with settings
foreach ($data as $key => $value)
{
if (isset($currentSettings[$key]))
{
$data[$key][1] = $currentSettings[$key];
unset($currentSettings[$key]);
}
}
// Load settings that are not there by default into data (slides in particular)
foreach ($currentSettings as $key => $value)
{
if (!isset($data[$key]))
{
$data[$key] = $value;
}
}
// Settings
$settings = $data;
// Filter slides
$prefix = 'slide_';
foreach ($settings as $key => $value)
{
if ($prefix != substr($key, 0, strlen($prefix)))
{
unset($settings[$key]);
}
}
// Convert slide settings to array([slide-key] => array([setting-name] => [value]));
$slidesPreOrder = array();
foreach ($settings as $key => $value)
{
$key = explode('_', $key);
if (is_numeric($key[1]))
{
$slidesPreOrder[$key[1]][$key[2]] = $value;
}
}
// Save slide keys from the $slidePreOrder array in the array itself for later use
foreach ($slidesPreOrder as $key => $value)
{
// Save highest slide id
if($key > $highestSlideId)
{
$highestSlideId = $key;
}
}
// Get old data
$oldData = get_post_meta($post->ID, 'settings', true);
if(!is_array(($oldData)))
{
$oldData = array();
}
// Get attachments
$attachments = get_posts(array(
'numberposts' => -1,
'offset' => 0,
'post_type' => 'attachment',
'post_parent' => $post->ID
));
// Get data from attachments
$newData = array();
foreach ($attachments as $attachment)
{
$highestSlideId++;
$newData['slide_' . $highestSlideId . '_postId'] = $attachment->ID;
$newData['slide_' . $highestSlideId . '_type'] = 'attachment';
}
// Save settings
update_post_meta(
$post->ID,
'settings',
array_merge(
$defaultData,
$oldData,
$newData
)
);
}
add_option('slideshow-plugin-updated-from-v1-x-x-to-v2-0-1', 'updated', '', false);
}
/**
* Checks if the version input first is greater than the version input second.
*
* Version numbers are noted as such: x.x.x
*
* @since 2.1.22
* @param String $firstVersion
* @param String $secondVersion
* @return boolean $firstGreaterThanSecond
*/
private static function firstVersionGreaterThanSecond($firstVersion, $secondVersion)
{
// Return false if $firstVersion is not set
if (empty($firstVersion) ||
!is_string($firstVersion))
{
return false;
}
// Return true if $secondVersion is not set
if (empty($secondVersion) ||
!is_string($secondVersion))
{
return true;
}
// Separate main, sub and bug-fix version number from one another.
$firstVersion = explode('.', $firstVersion);
$secondVersion = explode('.', $secondVersion);
// Compare version numbers per piece
for ($i = 0; $i < count($firstVersion); $i++)
{
if (isset($firstVersion[$i], $secondVersion[$i]))
{
if ($firstVersion[$i] > $secondVersion[$i])
{
return true;
}
elseif ($firstVersion[$i] < $secondVersion[$i])
{
return false;
}
}
else
{
return false;
}
}
// Return false by default
return false;
}
}
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