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add ajax optimizer behavior
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Frank Fiebig committed Jan 30, 2017
1 parent ecfc1c5 commit d59ef51
Showing 1 changed file with 117 additions and 53 deletions.
170 changes: 117 additions & 53 deletions faf-optim.php
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Original file line number Diff line number Diff line change
Expand Up @@ -16,27 +16,41 @@
* trigger only when admin is loggedin
*/
if (is_admin()) {
add_action('admin_menu', 'addSettingsPage');
add_action('admin_menu', 'addOptionsPage');
add_action('admin_init', 'registerOptions');
}

/**
*
*/
function addSettingsPage()
function addOptionsPage()
{
add_menu_page('FAF Optim', 'FAF Optim', 'administrator', __FILE__, 'settingsPage', 'dashicons-admin-generic');
add_options_page('FAF Optim', 'FAF Optim', 'manage_options', 'faf-optim.php', 'optionsPage');
}

/**
*
*/
function settingsPage()
function registerOptions()
{ // whitelist options
register_setting('faf-optim', 'keepexif');
register_setting('faf-optim', 'autoopt');
register_setting('faf-optim', 'quality');
register_setting('faf-optim', 'thumbnail');
register_setting('faf-optim', 'medium');
register_setting('faf-optim', 'large');
}

/**
*
*/
function optionsPage()
{
?>
<div class="wrap">
<h1>FAF Image Optimierung</h1>

<p>Optimiere deine generierten Bilder (JPG, PNG)</p>
<p>Optimiere alle generierten Bilder (JPG, PNG)</p>

<?php
if (!`which jpegoptim`) {
Expand All @@ -47,45 +61,76 @@ function settingsPage()
}
?>

<form method="post" action="">

<h2>Einstellungen:</h2>
<form method="post" action="options.php">
<?php
settings_fields('faf-optim');
do_settings_sections('faf-optim');
?>
<dl>
<dt>Quality</dt>
<dd><input type="number" name="quality" value="80" placeholder="Quality"></dd>
<dt>Exif Daten behalten (kann nicht wieder hergestellt werden)</dt>
<dd><input type="checkbox" name="keepexif" value="yes" <?php if (get_option('keepexif') === 'yes') { ?>checked<?php } ?>></dd>

<dt>Autooptimierung (bei Mediaupload)</dt>
<dd><input type="checkbox" name="autoopt" value="yes" <?php if (get_option('autoopt') === 'yes') { ?>checked<?php } ?>></dd>

<dt>Thumbnail</dt>
<dd><input type="checkbox" name="thumbnail" value="yes" checked placeholder="Thumbnail"></dd>
<dt>Qualität (JPGs)</dt>
<dd><input type="number" name="quality" value="<?php echo esc_attr(get_option('quality')); ?>" placeholder="Quality"></dd>

<dt>Medium</dt>
<dd><input type="checkbox" name="medium" value="yes" checked placeholder="Medium"></dd>
<dt>Thumbnail optimieren</dt>
<dd><input type="checkbox" name="thumbnail" value="yes" <?php if (get_option('thumbnail') === 'yes') { ?>checked<?php } ?>></dd>

<dt>Large</dt>
<dd><input type="checkbox" name="large" value="yes" checked placeholder="Large"></dd>
<dt>Medium optimieren</dt>
<dd><input type="checkbox" name="medium" value="yes" <?php if (get_option('medium') === 'yes') { ?>checked<?php } ?>></dd>

<dt>Large optimieren</dt>
<dd><input type="checkbox" name="large" value="yes" <?php if (get_option('large') === 'yes') { ?>checked<?php } ?>></dd>
</dl>

<?php submit_button('jetzt optimieren', 'primary', 'optimize'); ?>
<?php submit_button('Einstellungen speichern', 'primary', 'settings'); ?>
</form>

<?php
if (isset($_POST['optimize'])) {
$args = array(
$ids = [];
$args = array(
'post_type' => 'attachment',
'post_mime_type' => 'image',
'post_status' => 'inherit',
'posts_per_page' => -1,
);
$images = new WP_Query($args);
$sizes = array('thumbnail', 'medium', 'large');

foreach ($images->posts as $image) {
foreach ($sizes AS $size) {
if (isset($_POST[$size]) && $_POST[$size] === 'yes') {
optimizeImage($image, $size);
}
}

$ids[] = $image->ID;
}
}
?>

<h2><?php echo count($images->posts); ?> Bilder in der Mediathek.</h2>
<h4 id="counter"></h4>
<button id="optimize" type="button" class="button button-primary">Jetzt alle Bilder optimieren</button>

<p id="report"></p>
<script>
jQuery(document).ready(function ($) {
jQuery('#optimize').on('click', function(){
var images = [<?php echo implode(',', $ids); ?>];

jQuery.each(images, function(ix, val){
var data = {
'action': 'optimize',
'image': val
};

jQuery.post(ajaxurl, data, function (response) {
jQuery('#report').append(response);
jQuery('#counter').html((ix+1) + '/' + images.length + 'optimiert');
});
});
});
});
</script>

</div>
<?php
}
Expand All @@ -94,37 +139,44 @@ function settingsPage()
* @param $image
* @param string $size
*/
function optimizeImage($image, $size)
function optimizeImage($image)
{
$q = (int)$_POST['quality'];
$quality = ($q >= 0 || $q <= 100) ? $q : 80;
$file = get_attached_file($image->ID, true);
$info = image_get_intermediate_size($image->ID, $size);
$path = realpath(str_replace(wp_basename($file), $info['file'], $file));
$size = getHumanFilesize(filesize($path));
$pinfo = pathinfo($path);
$ext = $pinfo['extension'];

echo $path;
echo ' > ';
echo $size;
echo '<br>';

switch ($ext) {
case 'jpeg';
case 'jpg';
system('jpegoptim -m' . $quality . ' --strip-all ' . $path);
$sizes = array('thumbnail', 'medium', 'large');

foreach ($sizes AS $size) {
if (get_option($size) === 'yes') {
$q = get_option('quality') * 1;
$quality = ($q >= 0 || $q <= 100) ? $q : 80;
$file = get_attached_file($image->ID, true);
$info = image_get_intermediate_size($image->ID, $size);
$path = realpath(str_replace(wp_basename($file), $info['file'], $file));
$size = getHumanFilesize(filesize($path));
$pinfo = pathinfo($path);
$ext = $pinfo['extension'];
$strip = (get_option('keepexif') === 'yes') ? '--strip-com --strip-icc --strip-iptc' : '--strip-all';

echo $path;
echo ' > ';
echo $size;
echo '<br>';
break;
case 'png';
system('optipng ' . $path);

switch ($ext) {
case 'jpeg';
case 'jpg';
system('jpegoptim -m' . $quality . ' ' . $strip . ' ' . $path);
echo '<br>';
break;
case 'png';
system('optipng ' . $path);
echo '<br>';
break;
default:
break;
}

echo '<br>';
break;
default:
break;
}
}

echo '<br>';
}

/**
Expand All @@ -137,4 +189,16 @@ function getHumanFilesize($bytes, $decimals = 2)
$size = array('B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB');
$factor = floor((strlen($bytes) - 1) / 3);
return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . @$size[$factor];
}
}

/**
*
*/
function optimizeCallback()
{
$image = get_post($_POST['image']);
optimizeImage($image);

wp_die(); // this is required to terminate immediately and return a proper response
}
add_action('wp_ajax_optimize', 'optimizeCallback');

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