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<?php
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/**
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* @file imagecrop
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* Provides a javascript toolbox through an imagecache action.
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*
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* @todo hook into more modules (gallery, img_filter, attachments, assets, ulink)
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* @todo onclose window handler to warn user or another way to clean up temporary imagecache actions
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*
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* @todo Cool feature: add complete files directory browser with filter - with extra permission
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* Load it via other file.
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*
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* @author Kristof De Jaeger - http://drupal.org/user/107403 - http://realize.be
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* @version this is the drupal 5.x version
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*/
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/**
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* Implementation of hook_perm().
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*/
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function imagecrop_perm(){
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return array('crop images with toolbox','crop images in filebrowser','administer imagecrop');
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}
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/**
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* Implementation of hook_menu().
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*/
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function imagecrop_menu($may_cache){
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$items = array();
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$access_crop = user_access('crop images with toolbox');
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$access_settings = user_access('administer imagecrop');
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if ($may_cache) {
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$items[] = array(
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'title' => t('Imagecrop'),
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'path' => 'admin/settings/imagecrop',
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'callback' => 'drupal_get_form',
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'callback arguments' => 'imagecrop_settings',
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'access' => $access_settings,
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);
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$items[] = array(
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'path' => 'imagecrop/window',
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'callback' => 'imagecrop_window',
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'type' => MENU_CALLBACK,
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'access' => $access_crop,
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);
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$items[] = array(
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'path' => 'imagecrop/result',
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'callback' => 'imagecrop_result',
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'type' => MENU_CALLBACK,
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'access' => $access_crop,
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);
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}
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return $items;
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}
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/**
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* Imagecrop settings page
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*/
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function imagecrop_settings() {
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// hook into image module
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if (module_exists('image')) {
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$options_modules['image'] = t('Hook into image module');
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}
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// hook into imagefield module
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if (module_exists('imagefield')) {
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$res = db_query("SELECT field_name,label FROM {node_field_instance} WHERE widget_type = 'image'");
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while ($row = db_fetch_object($res)){
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$options_fields[$row->field_name] = t('Hook into imagefield %s',array('%s' => $row->label));
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}
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}
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// show checkboxes if options are not empty
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if (!empty($options_modules) || !empty($options_fields)) {
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if (!empty($options_modules)) {
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$form['imagecrop_modules'] = array(
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'#type' => 'checkboxes',
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'#title' => t('Hook into modules'),
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'#default_value' => variable_get('imagecrop_modules',array()),
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'#options' => $options_modules,
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);
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}
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if (!empty($options_fields)) {
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$form['imagecrop_fields'] = array(
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'#type' => 'checkboxes',
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'#title' => t('Hook into cck fields'),
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'#default_value' => variable_get('imagecrop_fields',array()),
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'#options' => $options_fields,
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);
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}
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$form['array_filter'] = array('#type' => 'hidden');
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} else {
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$form['no_modules_fields'] = array(
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'#type' => 'item',
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'#value' => t('No modules or fields are found to hook into'),
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);
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}
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// drupal message if no action is found with javascript_crop
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if (imagecrop_action_exists() == false) {
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drupal_set_message(t('No preset is found with the javascript_crop action so far. If you want to take advantage of this module, you will need to create at least one preset with that action.'));
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}
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return system_settings_form($form);
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}
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/**
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* Implementation of hook_cron().
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* Delete all references in imagecrop table when
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* a) file doesn't exist anymore.
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* b) when preset has been deleted.
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* c) when javascrip_crop action is removed from a preset.
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*/
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function imagecrop_cron() {
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// get all files which do not exist anymore.
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$result = db_query("select fid,presetid from {imagecrop} ic where not exists (select fid from {files} f where ic.fid = f.fid)");
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while ($row = db_fetch_object($result)) {
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$records[] = array('fid' => $row->fid, 'presetid' => $row->presetid);
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}
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// get all records from presets which do not exist anymore.
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// @todo look for presets which have lost the javascript_crop action
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// I'll have to lookup some to see if I can find this in one query or do another one
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$result = db_query("select ic.fid,ic.presetid from {imagecrop} ic where not exists (select presetid from {imagecache_action} ia where ic.presetid = ia.presetid)");
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while ($row = db_fetch_object($result)) {
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$records[] = array('fid' => $row->fid, 'presetid' => $row->presetid);
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}
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if (!empty($records)) {
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while (list($key,$val) = each($records)) {
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db_query("DELETE FROM {imagecrop} WHERE fid=%d AND presetid=%d",$val['fid'],$val['presetid']);
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}
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}
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}
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/**
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* Implementation of hook_imagecache_actions().
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*/
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function imagecrop_imagecache_actions() {
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$actions = array(
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'imagecrop_javascript' => array(
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'name' => 'Javascript crop',
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'description' => 'Create a crop with a javascript toolbox.',
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'file' => 'imagecrop_actions.inc',
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),
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);
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return $actions;
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}
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/**
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* Helper function to check if a preset exists with the imagecrop_javascript action.
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* Needed to determine if we have to display our javascript crop link.
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*
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* @return true or false
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*/
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function imagecrop_action_exists() {
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$result = db_result(db_query("SELECT actionid FROM {imagecache_action} WHERE action = 'imagecrop_javascript'"));
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return $result;
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}
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/**
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* Implementation of hook_form_alter().
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*
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* Hook into several existing image upload modules
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* @todo what todo with temporary uploads (ie in imagefield)
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*/
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function imagecrop_form_alter($form_id,&$form) {
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// do we have presets with javascript_crop ?
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$exists = imagecrop_action_exists();
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// user access
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$access = user_access('crop images with toolbox');
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// build array with available modules/fields
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$modules = variable_get('imagecrop_modules',array());
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$fields = variable_get('imagecrop_fields',array());
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$hooks = array_merge($modules,$fields);
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// hook into imagefield module
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// @todo handle multiple values per field
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if (module_exists('imagefield') && $exists != false && $access) {
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$formfield = imagecrop_find_imagefields($form,$fields);
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if ($formfield != false) {
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$count = count($formfield);
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for($i=0;$i<$count;$i++) {
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imagecrop_formitem($form,$form[$formfield[$i]][0]['fid']['#value'],'field_image');
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}
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}
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}
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// hook into image module
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if (module_exists('image') && $exists != false && $access && in_array('image',$hooks) && isset($form['images']['thumbnail'])) {
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// it's anonying we have to make a database call to get the right fid.
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$fid = db_result(db_query("SELECT fid FROM {files} WHERE nid=%d AND filename = '_original' AND filepath='%s'",$form['nid']['#value'],$form['images']['_original']['#default_value']));
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imagecrop_formitem($form,$fid,'images');
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}
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}
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/**
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* Helper function to add form item
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*
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* @return $form form markup
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*/
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function imagecrop_formitem(&$form,$fid,$fieldname) {
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$form[$fieldname]['crop_tab'] = array(
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'#type' => 'item',
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'#value' => '<a href="javascript:;" onclick="window.open(\''.$GLOBALS['base_url'].url('imagecrop/window/'.$fid).'\',\'imagecrop\',\'menubar=0,resizable=1,width=700,height=650\');">Javascript crop</a>',
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);
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return $form;
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}
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/**
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* Helper function to search for a cck field image
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*
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* @param $form complete form object
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* @param $fields all available fields from settings
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* @return ckk imagefields array or false
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*/
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function imagecrop_find_imagefields($form,$fields) {
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$count = count($fields);
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$return = false;
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for($i=0;$i<$count;$i++){
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if (isset($form[$fields[$i]])) {
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$return[] = $fields[$i];
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}
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}
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return $return;
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}
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/**
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* Popup window with picture.
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*
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* @param $fid id of file
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* @param $presetid id of preset
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*/
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function imagecrop_window($fid,$presetid = 0) {
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if (imagecrop_action_exists() == true) {
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$presets = return_presets($presetid);
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$presetid = $presets['presetid'];
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$file = return_object($fid,$presetid);
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if($file != false) {
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// get size of temporary image
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$size = getimagesize($file->dst);
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$width = $size[0];
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$height = $size[1];
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// return warning message if crop toolbox is too big and not resizable.
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if (($width < $file->crop_width || $height < $file->crop_height) && $file->resizable == 0) {
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return t('The crop toolbox is too big for this image.');
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}
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// add javascript and css
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jquery_interface_add();
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imagecrop_markup(true,true);
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// output
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$url = url($file->dst);
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$output = theme('presettabs',$presets,$fid,$presetid);
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$output .= theme('imagecrop',$url,$width,$height,$file->resizable);
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$output .= drupal_get_form('imageoffsets',$file->xoffset,$file->yoffset,$file->crop_width,$file->crop_height,$presetid,$fid);
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return $output;
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} else {
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return '<div>'.t('Image to crop was not found.').'</div>';
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}
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} else {
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return '<div>'.t('No preset is found with the javascript_crop action so far. If you want to take advantage of this module, you will need to create at least one preset with that action.').'</div>';
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}
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}
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/**
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* Callback to return offsets, height & width
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*
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* @param $xoffset x value of javascript box
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* @param $yoffset y value of javascript box
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* @param $crop_width width of javascript box
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* @param $crop_height height of javascript box
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* @param $presetid id of preset
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* @param $fid id of file
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* @return array $form
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*/
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function imageoffsets($xoffset,$yoffset,$crop_width,$crop_height,$presetid,$fid) {
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$form['image-crop-x'] = array('#type' => 'hidden','#default_value' => $xoffset,'#attributes' => array('class' => 'edit-image-crop-x'));
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$form['image-crop-y'] = array('#type' => 'hidden','#default_value' => $yoffset,'#attributes' => array('class' => 'edit-image-crop-y'));
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$form['image-crop-width'] = array('#type' => 'hidden','#default_value' => $crop_width,'#attributes' => array('class' => 'edit-image-crop-width'));
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$form['image-crop-height'] = array('#type' => 'hidden','#default_value' => $crop_height,'#attributes' => array('class' => 'edit-image-crop-height'));
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$form['submit'] = array('#type' => 'submit', '#value' => t('Create crop'));
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$form['fid'] = array('#type' => 'hidden','#value' => $fid);
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$form['presetid'] = array('#type' => 'hidden','#value' => $presetid);
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return $form;
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}
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/**
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* Save the offset & size values
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*
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* @param $form_id id of the form
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* @param $form_values submitted values of the imageoffsets form
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*/
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function imageoffsets_submit($form_id,$form_values) {
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db_query("DELETE FROM {imagecrop} WHERE fid=%d AND presetid=%d",$form_values['fid'],$form_values['presetid']);
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db_query("INSERT INTO {imagecrop} VALUES (%d,%d,%d,%d,%d,%d)",$form_values['fid'],$form_values['presetid'],$form_values['image-crop-x'],$form_values['image-crop-y'],$form_values['image-crop-width'],$form_values['image-crop-height']);
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drupal_goto('imagecrop/result/'.$form_values['fid'].'/'.$form_values['presetid']);
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}
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/**
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* Show the crop result
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*
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* @param $fid file id
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* @param $presetid id of preset
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* @return cropped result of chosen image
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*/
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function imagecrop_result($fid,$presetid) {
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if (imagecrop_action_exists() == true) {
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$file = return_object($fid,$presetid,TRUE);
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$presets = return_presets($presetid);
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imagecrop_markup(false,true);
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$output = theme('presettabs',$presets,$fid,$presetid);
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$output .= theme('imagecache', $file->presetname, $file->filepath);
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$output .= '<div>Imagecache Theme function: '.htmlentities("theme('imagecache', '$file->presetname', '$file->filepath'');").'</div>';
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$output .= '<div>'.l(t('Return to crop'),'imagecrop/window/'.$fid.'/'.$presetid).'</div>';
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return $output;
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} else {
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return '<div>'.t('No preset is found with the javascript_crop action so far. If you want to take advantage of this module, you will need to create at least one preset with that action.').'</div>';
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}
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}
|
| 318 |
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/**
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| 320 |
* Helper function to determine which preset exists and which to load
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*
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| 322 |
* @param $presetid id of preset
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* @return $presets array with presetid to load and list of all other possible presets
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*/
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| 325 |
function return_presets($presetid){
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$result = db_query("SELECT ip.presetid, ip.presetname FROM {imagecache_preset} ip INNER JOIN {imagecache_action} ia on ia.presetid = ip.presetid WHERE action = 'imagecrop_javascript' ORDER by ip.presetname ASC");
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while($row = db_fetch_object($result)) {
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$presets['tabs'][] = array('id' => $row->presetid, 'name' => $row->presetname);
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}
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if (!empty($presetid)) $presets['presetid'] = $presetid;
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else $presets['presetid'] = $presets['tabs'][0]['id'];
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return $presets;
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}
|
| 334 |
|
| 335 |
/**
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| 336 |
* Helper function to create temporary image and return file object
|
| 337 |
*
|
| 338 |
* @param $fid file id in files table
|
| 339 |
* @param $presetid id of the preset
|
| 340 |
* @param $cutoff delete the javascript crop action when user wants to define the offsets
|
| 341 |
* @return $file with file, javascript crop and preset properties
|
| 342 |
*/
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| 343 |
function return_object($fid,$presetid,$cutoff = false) {
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| 344 |
$file = _imagecrop_file_load($fid);
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| 345 |
if ($file != false) {
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| 346 |
$preset = imagecache_preset($presetid);
|
| 347 |
imagecache_image_flush($file->filename);
|
| 348 |
if ($cutoff == false) {
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| 349 |
// get the actions from the preset and and throw out the javascript_crop action
|
| 350 |
// and every other action which comes after it.
|
| 351 |
$actions_count = count($preset['actions']);
|
| 352 |
while(list($key,$val) = each($preset['actions'])){
|
| 353 |
if ($val['action'] == 'imagecrop_javascript') {
|
| 354 |
$crop_width = $preset['actions'][$key]['data']['width'];
|
| 355 |
$crop_height = $preset['actions'][$key]['data']['height'];
|
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$resizable = $preset['actions'][$key]['data']['resizable'];
|
| 357 |
unset($preset['actions'][$key]);
|
| 358 |
// stop the loop, we don't need anything after this
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break;
|
| 360 |
}
|
| 361 |
}
|
| 362 |
// see if we have stored values allready for this file
|
| 363 |
$file->xoffset = 0;
|
| 364 |
$file->yoffset = 0;
|
| 365 |
$file->crop_width = $crop_width;
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$file->crop_height = $crop_height;
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$row = db_fetch_object(db_query("SELECT xoffset,yoffset,width,height FROM {imagecrop} ic where ic.fid = %d AND ic.presetid = %d",$fid,$presetid));
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if (!empty($row)) {
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| 369 |
$file->xoffset = $row->xoffset;
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| 370 |
$file->yoffset = $row->yoffset;
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| 371 |
$file->crop_width = $row->width;
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| 372 |
$file->crop_height = $row->height;
|
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}
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| 374 |
// resizable or not
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| 375 |
$file->resizable = $resizable;
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| 376 |
}
|
| 377 |
$src = $file->filepath;
|
| 378 |
$file->presetname = $preset['presetname'];
|
| 379 |
$dst = imagecache_create_path($preset['presetname'], $file->filepath);
|
| 380 |
$file->dst = $dst;
|
| 381 |
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| 382 |
// create the file to either display for the crop or the result
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| 383 |
imagecache_build_derivative($preset, $src, $dst);
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| 384 |
return $file;
|
| 385 |
} else return false;
|
| 386 |
}
|
| 387 |
|
| 388 |
/**
|
| 389 |
* Helper function to load a file into an object
|
| 390 |
*
|
| 391 |
* @param $fid file id
|
| 392 |
* @return $file with properties of the file or false
|
| 393 |
*/
|
| 394 |
function _imagecrop_file_load($fid) {
|
| 395 |
$result = db_query('SELECT * FROM {files} WHERE fid = %d', $fid);
|
| 396 |
$file = db_fetch_object($result);
|
| 397 |
if ($file) {
|
| 398 |
// make sure it's an image. Any other mime extensions possible?
|
| 399 |
// return false if it's not the right mime type
|
| 400 |
$filemime = array('image/jpeg','image/gif','image/png');
|
| 401 |
if (!in_array($file->filemime,$filemime)) return false;
|
| 402 |
// access denied if current user hasn't enough permissions
|
| 403 |
// @todo test this!
|
| 404 |
$node = node_load($file->nid);
|
| 405 |
if (!user_access('administer nodes') && !user_access('edit '.$node->type) && !user_access('edit own '.$node->type)) {
|
| 406 |
drupal_access_denied();
|
| 407 |
exit();
|
| 408 |
}
|
| 409 |
// all seems ok, return file
|
| 410 |
return $file;
|
| 411 |
}
|
| 412 |
// return false if no file was found.
|
| 413 |
return false;
|
| 414 |
}
|
| 415 |
|
| 416 |
/**
|
| 417 |
* Theme image crop.
|
| 418 |
*
|
| 419 |
* @param $url url of image
|
| 420 |
* @param $width width of image
|
| 421 |
* @param $height height of image
|
| 422 |
* @param $resize wether the cropping box is resizeble or not
|
| 423 |
* @return $output html of the javascript crop area
|
| 424 |
*/
|
| 425 |
function theme_imagecrop($url,$width,$height,$resize = 0) {
|
| 426 |
$output = '
|
| 427 |
<div class="imagefield-crop-wrapper" style="width: '.$width.'px; height: '.$height.'px;">
|
| 428 |
<div id="image-crop-container" style="background-image: url(\''. $url .'\'); width:'. $width .'px; height:'. $height .'px;"></div>
|
| 429 |
<div id="resizeMe" style="background-image: url(\''. $url .'\'); width:'. $width .'px; height:'. $height .'px; top: 20px;">';
|
| 430 |
if ($resize == 1) {
|
| 431 |
$output .= '
|
| 432 |
<div id="resizeSE"></div>
|
| 433 |
<div id="resizeE"></div>
|
| 434 |
<div id="resizeNE"></div>
|
| 435 |
<div id="resizeN"></div>
|
| 436 |
<div id="resizeNW"></div>
|
| 437 |
<div id="resizeW"></div>
|
| 438 |
<div id="resizeSW"></div>
|
| 439 |
<div id="resizeS"></div>
|
| 440 |
';
|
| 441 |
}
|
| 442 |
$output .= '</div></div><div class="clear:both;"></div>';
|
| 443 |
$output .= '<div id="imagecrophelp">Use the selector to choose your crop area.</div>';
|
| 444 |
|
| 445 |
return $output;
|
| 446 |
}
|
| 447 |
|
| 448 |
/**
|
| 449 |
* Theme preset tabs
|
| 450 |
*
|
| 451 |
* @param $tabs array of available presets
|
| 452 |
* @param fid file id
|
| 453 |
* @param $presetid preset to highlight
|
| 454 |
* @return $output html of the tabs
|
| 455 |
*/
|
| 456 |
function theme_presettabs($presets,$fid,$presetid) {
|
| 457 |
$tab_output = '';
|
| 458 |
foreach($presets['tabs'] as $key => $value) {
|
| 459 |
$class = ($value['id'] == $presetid) ? 'imagecrop_tab imagecrop_highlight' : 'imagecrop_tab ';
|
| 460 |
$tab_output .= '<span class="'.$class.'">'.l($value['name'],'imagecrop/window/'.$fid.'/'.$value['id']).'</span>';
|
| 461 |
}
|
| 462 |
$output = '<div id="presettabs">'.$tab_output.'</div>';
|
| 463 |
return $output;
|
| 464 |
}
|
| 465 |
|
| 466 |
/**
|
| 467 |
* Add imagecrop css & javascript
|
| 468 |
*/
|
| 469 |
function imagecrop_markup($js,$css) {
|
| 470 |
$path = drupal_get_path('module', 'imagecrop');
|
| 471 |
if ($js == true) drupal_add_js($path.'/imagecrop.js');
|
| 472 |
if ($css == true) drupal_add_css($path.'/imagecrop.css');
|
| 473 |
}
|
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