drupal/core/modules/image/image.admin.inc

270 lines
8.9 KiB
PHP

<?php
/**
* @file
* Administration pages for image settings.
*/
/**
* Returns HTML for a listing of the effects within a specific image style.
*
* @param $variables
* An associative array containing:
* - form: A render element representing the form.
*
* @ingroup themeable
*/
function theme_image_style_effects($variables) {
$form = $variables['form'];
$rows = array();
foreach (element_children($form) as $key) {
$row = array();
$form[$key]['weight']['#attributes']['class'] = array('image-effect-order-weight');
if ($key != 'new') {
$summary = drupal_render($form[$key]['summary']);
$row[] = drupal_render($form[$key]['label']) . (empty($summary) ? '' : ' ' . $summary);
$row[] = drupal_render($form[$key]['weight']);
$row[] = array('data' => $form[$key]['operations']);
}
else {
// Add the row for adding a new image effect.
$row[] = '<div class="image-style-new">' . drupal_render($form['new']['new']) . drupal_render($form['new']['add']) . '</div>';
$row[] = drupal_render($form['new']['weight']);
$row[] = '';
}
$rows[] = array(
'data' => $row,
'class' => array('draggable'),
);
}
$header = array(
t('Effect'),
t('Weight'),
t('Operations'),
);
if (count($rows) == 1 && (!isset($form['new']['#access']) || $form['new']['#access'])) {
array_unshift($rows, array(array(
'data' => t('There are currently no effects in this style. Add one by selecting an option below.'),
'colspan' => 4,
)));
}
$table = array(
'#theme' => 'table',
'#header' => $header,
'#rows' => $rows,
'#attributes' => array('id' => 'image-style-effects'),
'#tabledrag' => array(
array(
'action' => 'order',
'relationship' => 'sibling',
'group' => 'image-effect-order-weight',
),
),
);
return drupal_render($table);
}
/**
* Returns HTML for a preview of an image style.
*
* @param $variables
* An associative array containing:
* - style: \Drupal\image\ImageStyleInterface image style being previewed.
*
* @ingroup themeable
*/
function theme_image_style_preview($variables) {
$style = $variables['style'];
$sample_image = \Drupal::config('image.settings')->get('preview_image');
$sample_width = 160;
$sample_height = 160;
// Set up original file information.
$original_path = $sample_image;
$image_factory = \Drupal::service('image.factory');
$original_image = $image_factory->get($original_path);
$original_image = array(
'width' => $original_image->getWidth(),
'height' => $original_image->getHeight(),
);
if ($original_image['width'] > $original_image['height']) {
$original_width = min($original_image['width'], $sample_width);
$original_height = round($original_width / $original_image['width'] * $original_image['height']);
}
else {
$original_height = min($original_image['height'], $sample_height);
$original_width = round($original_height / $original_image['height'] * $original_image['width']);
}
$original_image['style'] = 'width: ' . $original_width . 'px; height: ' . $original_height . 'px;';
// Set up preview file information.
$preview_file = $style->buildUri($original_path);
if (!file_exists($preview_file)) {
$style->createDerivative($original_path, $preview_file);
}
$preview_image = $image_factory->get($preview_file);
$preview_image = array(
'width' => $preview_image->getWidth(),
'height' => $preview_image->getHeight(),
);
if ($preview_image['width'] > $preview_image['height']) {
$preview_width = min($preview_image['width'], $sample_width);
$preview_height = round($preview_width / $preview_image['width'] * $preview_image['height']);
}
else {
$preview_height = min($preview_image['height'], $sample_height);
$preview_width = round($preview_height / $preview_image['height'] * $preview_image['width']);
}
$preview_image['style'] = 'width: ' . $preview_width . 'px; height: ' . $preview_height . 'px;';
// In the previews, timestamps are added to prevent caching of images.
$output = '<div class="image-style-preview preview clearfix">';
// Build the preview of the original image.
$original_url = file_create_url($original_path);
$image = array(
'#theme' => 'image',
'#uri' => $original_path,
'#alt' => t('Sample original image'),
'#title' => '',
'#attributes' => $original_image,
);
$output .= '<div class="preview-image-wrapper">';
$output .= t('original') . ' (' . l(t('view actual size'), $original_url) . ')';
$output .= '<div class="preview-image original-image" style="' . $original_image['style'] . '">';
$output .= '<a href="' . $original_url . '">' . drupal_render($image) . '</a>';
$output .= '<div class="height" style="height: ' . $original_height . 'px"><span>' . $original_image['height'] . 'px</span></div>';
$output .= '<div class="width" style="width: ' . $original_width . 'px"><span>' . $original_image['width'] . 'px</span></div>';
$output .= '</div>'; // End preview-image.
$output .= '</div>'; // End preview-image-wrapper.
// Build the preview of the image style.
$preview_url = file_create_url($preview_file) . '?cache_bypass=' . REQUEST_TIME;
$image = array(
'#theme' => 'image',
'#uri' => $preview_url,
'#alt' => t('Sample modified image'),
'#title' => '',
'#attributes' => $preview_image,
);
$output .= '<div class="preview-image-wrapper">';
$output .= check_plain($style->label()) . ' (' . l(t('view actual size'), file_create_url($preview_file) . '?' . time()) . ')';
$output .= '<div class="preview-image modified-image" style="' . $preview_image['style'] . '">';
$output .= '<a href="' . file_create_url($preview_file) . '?' . time() . '">' . drupal_render($image) . '</a>';
$output .= '<div class="height" style="height: ' . $preview_height . 'px"><span>' . $preview_image['height'] . 'px</span></div>';
$output .= '<div class="width" style="width: ' . $preview_width . 'px"><span>' . $preview_image['width'] . 'px</span></div>';
$output .= '</div>'; // End preview-image.
$output .= '</div>'; // End preview-image-wrapper.
$output .= '</div>'; // End image-style-preview.
return $output;
}
/**
* Returns HTML for a 3x3 grid of checkboxes for image anchors.
*
* @param $variables
* An associative array containing:
* - element: A render element containing radio buttons.
*
* @ingroup themeable
*/
function theme_image_anchor($variables) {
$element = $variables['element'];
$rows = array();
$row = array();
foreach (element_children($element) as $n => $key) {
$element[$key]['#attributes']['title'] = $element[$key]['#title'];
unset($element[$key]['#title']);
$row[] = drupal_render($element[$key]);
if ($n % 3 == 3 - 1) {
$rows[] = $row;
$row = array();
}
}
$table = array(
'#theme' => 'table',
'#header' => array(),
'#rows' => $rows,
'#attributes' => array('class' => array('image-anchor')),
);
return drupal_render($table);
}
/**
* Returns HTML for a summary of an image resize effect.
*
* @param $variables
* An associative array containing:
* - data: The current configuration for this resize effect.
*
* @ingroup themeable
*/
function theme_image_resize_summary($variables) {
$data = $variables['data'];
if ($data['width'] && $data['height']) {
return check_plain($data['width']) . 'x' . check_plain($data['height']);
}
else {
return ($data['width']) ? t('width @width', array('@width' => $data['width'])) : t('height @height', array('@height' => $data['height']));
}
}
/**
* Returns HTML for a summary of an image scale effect.
*
* @param $variables
* An associative array containing:
* - data: The current configuration for this scale effect.
*
* @ingroup themeable
*/
function theme_image_scale_summary($variables) {
$image_resize_summary = array(
'#theme' => 'image_resize_summary',
'#data' => $variables['data'],
);
return drupal_render($image_resize_summary) . ' ' . ($variables['data']['upscale'] ? '(' . t('upscaling allowed') . ')' : '');
}
/**
* Returns HTML for a summary of an image crop effect.
*
* @param $variables
* An associative array containing:
* - data: The current configuration for this crop effect.
*
* @ingroup themeable
*/
function theme_image_crop_summary($variables) {
$image_resize_summary = array(
'#theme' => 'image_resize_summary',
'#data' => $variables['data'],
);
return drupal_render($image_resize_summary);
}
/**
* Returns HTML for a summary of an image rotate effect.
*
* @param $variables
* An associative array containing:
* - data: The current configuration for this rotate effect.
*
* @ingroup themeable
*/
function theme_image_rotate_summary($variables) {
$data = $variables['data'];
return ($data['random']) ? t('random between -@degrees&deg and @degrees&deg', array('@degrees' => str_replace('-', '', $data['degrees']))) : t('@degrees&deg', array('@degrees' => $data['degrees']));
}