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<?php
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// $Id: flashfield_widget.inc,v 1.2 2009/04/26 06:25:32 stuartgreenfield Exp $
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/**
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* @file
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* flashfield widget hooks and callbacks.
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*/
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/**
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* Implementation of CCK's hook_widget_settings($op = 'form').
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*/
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function flashfield_widget_settings_form($widget) {
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$form = module_invoke('filefield', 'widget_settings', 'form', $widget);
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// Sizes
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$form['size_settings'] = array(
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'#type' => 'fieldset',
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'#title' => t('Size settings'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#weight' => 8,
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);
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$form['size_settings']['custom_size'] = array(
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'#type' => 'checkbox',
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'#title' => t('Custom sizes'),
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'#default_value' => !empty($widget['custom_size']) ? $widget['custom_size'] : 0,
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'#description' => t('Allow users to specify a custom height and width for their content.'),
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);
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$form['size_settings']['max_height'] = array(
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'#type' => 'textfield',
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'#title' => t('Maximum height'),
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'#default_value' => !empty($widget['max_height']) ? $widget['max_height'] : '',
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'#size' => 15,
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'#maxlength' => 10,
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'#description' => t('The displayed flash height - content will be scaled to comply.'),
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);
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$form['size_settings']['max_width'] = array(
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'#type' => 'textfield',
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'#title' => t('Maximum width'),
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'#default_value' => !empty($widget['max_width']) ? $widget['max_width'] : '',
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'#size' => 15,
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'#maxlength' => 10,
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'#description' => t('The displayed flash width - content will be scaled to comply.'),
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);
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// Alt
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$form['alt_settings'] = array(
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'#type' => 'fieldset',
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'#title' => t('Alternate text settings'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#weight' => 8,
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);
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$form['alt_settings']['custom_alt'] = array(
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'#type' => 'checkbox',
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'#title' => t('Enable custom alternate text'),
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'#default_value' => !empty($widget['custom_alt']) ? $widget['custom_alt'] : 0,
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'#description' => t('Enable user input alternate text for images.'),
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);
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$form['alt_settings']['alt'] = array(
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'#type' => 'textfield',
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'#title' => t('Default alternate text'),
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'#default_value' => !empty($widget['alt']) ? $widget['alt'] : '!default',
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'#description' => t('This value will be used for alternate text by default.'),
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'#suffix' => theme('token_help', 'file'),
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);
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// Flashvars
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$form['flashvars_settings'] = array(
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'#type' => 'fieldset',
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'#title' => t('Flashvars settings'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#weight' => 8,
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);
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$form['flashvars_settings']['custom_flashvars'] = array(
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'#type' => 'checkbox',
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'#title' => t('Enable custom flashvars'),
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'#default_value' => !empty($widget['custom_flashvars']) ? $widget['custom_flashvars'] : 0,
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'#description' => t('Allow users to enter custom flashvars.'),
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);
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// Base
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$form['base_settings'] = array(
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'#type' => 'fieldset',
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'#title' => t('Base settings'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#weight' => 8,
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);
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$form['base_settings']['custom_base'] = array(
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'#type' => 'checkbox',
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'#title' => t('Enable custom base'),
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'#default_value' => !empty($widget['custom_base']) ? $widget['custom_base'] : 0,
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'#description' => t('Allow users to customize the base path.'),
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);
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$form['base_settings']['base'] = array(
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'#type' => 'textfield',
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'#title' => t('Default base'),
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'#default_value' => !empty($widget['base']) ? $widget['base'] : '',
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'#description' => t('Leave blank to use the default value of the system files\' directory.'),
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);
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// Params
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$form['params_settings'] = array(
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'#type' => 'fieldset',
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'#title' => t('Params settings'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#weight' => 8,
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);
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$form['params_settings']['custom_params'] = array(
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'#type' => 'checkbox',
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'#title' => t('Enable custom parameters'),
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'#default_value' => !empty($widget['custom_params']) ? $widget['custom_params'] : 0,
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'#description' => t('Allow users to customize the flash parameters.'),
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);
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$form['params_settings']['params'] = array(
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'#type' => 'textfield',
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'#title' => t('Default parameters'),
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'#default_value' => !empty($widget['params']) ? $widget['params'] : '',
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'#description' => t('This value will be used for alternate text by default.'),
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);
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return $form;
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}
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/**
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* Element specific validation for flashfield default value.
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*
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* Validated in a separate function from flashfield_field() to get access
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* to the $form_state variable.
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*/
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function _flashfield_widget_settings_default_validate($element, &$form_state) {
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// Verify the destination exists
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$destination = file_directory_path() .'/flashfield_default_images';
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if (!field_file_check_directory($destination, FILE_CREATE_DIRECTORY)) {
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form_set_error('default_image', t('The default image could not be uploaded. The destination %destination does not exist or is not writable by the server.', array('%destination' => dirname($destination))));
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return;
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}
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$validators = array(
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'file_validate_is_image' => array(),
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);
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// We save the upload here because we can't know the correct path until the file is saved.
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if (!$file = file_save_upload('default_image_upload', $validators, $destination)) {
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// No upload to save we hope... or file_save_upload() reported an error on its own.
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return;
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}
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// Remove old image (if any) & clean up database.
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$old_default = $form_state['values']['default_image'];
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if (!empty($old_default['fid'])) {
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if (file_delete(file_create_path($old_default['filepath']))) {
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db_query('DELETE FROM {files} WHERE fid=%d', $old_default['fid']);
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}
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}
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// Make the file permanent and store it in the form.
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file_set_status($file, FILE_STATUS_PERMANENT);
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$file->timestamp = time();
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$form_state['values']['default_image'] = (array)$file;
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}
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/**
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* Implementation of CCK's hook_widget_settings($op = 'validate').
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*/
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function flashfield_widget_settings_validate($widget) {
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// // Check that only web images are specified in the callback.
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// $extensions = array_filter(explode(' ', $widget['file_extensions']));
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// $web_extensions = array('swf', 'flv', 'mp3' ,'jpg', 'jpeg', 'gif', 'png');
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// if (count(array_diff($extensions, $web_extensions))) {
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// form_set_error('file_extensions', t('Only swf, flv, mp3 and web-standard images (jpg, gif, and png) are supported through the flash widget. If needing to upload other types of images, change the widget to use a standard file upload.'));
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// }
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// // Check that set resolutions are valid.
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// foreach (array('min_resolution', 'max_resolution') as $resolution) {
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// if (!empty($widget[$resolution]) && !preg_match('/^[0-9]+x[0-9]+$/', $widget[$resolution])) {
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// form_set_error($resolution, t('Please specify a resolution in the format WIDTHxHEIGHT (e.g. 640x480).'));
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// }
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// }
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// TODO - Validate max height and width
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}
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/**
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* Implementation of CCK's hook_widget_settings($op = 'save').
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*/
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function flashfield_widget_settings_save($widget) {
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$filefield_settings = module_invoke('filefield', 'widget_settings', 'save', $widget);
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return array_merge($filefield_settings, array('custom_size', 'max_height', 'max_width', 'alt', 'custom_alt', 'custom_flashvars', 'base', 'custom_base', 'params', 'custom_params'));
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}
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/**
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* Element #value_callback function.
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*/
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function flashfield_widget_value($element, $edit = FALSE) {
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$item = filefield_widget_value($element, $edit);
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if ($edit) {
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$item['height'] = isset($edit['height']) ? $edit['height'] : '';
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$item['width'] = isset($edit['width']) ? $edit['width'] : '';
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$item['alt'] = isset($edit['alt']) ? $edit['alt'] : '';
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$item['flashvars'] = isset($edit['flashvars']) ? $edit['flashvars'] : '';
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$item['base'] = isset($edit['base']) ? $edit['base'] : '';
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$item['params'] = isset($edit['params']) ? $edit['params'] : '';
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}
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else {
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$item['height'] = '';
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$item['width'] = '';
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$item['alt'] = '';
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$item['flashvars'] = '';
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$item['base'] = '';
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$item['params'] = '';
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}
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return $item;
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}
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/**
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* Element #process callback function.
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*/
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function flashfield_widget_process($element, $edit, &$form_state, $form) {
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// dsm('Processing');
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// dsm($element);
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$file = $element['#value'];
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$field = content_fields($element['#field_name'], $element['#type_name']);
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// Assign default height and width - TODO implement flashnode mechanism to handle case when this isn't visible?
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if (isset($element['preview']) && $element['#value']['fid'] != 0) {
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// Get info
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$info = image_get_info($file['filepath']);
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// Assign height
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if (((empty($file['data']['height']) && $file['data']['height'] !== '0') || $field['widget']['custom_size']) && $info) {
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dsm('Setting height');
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$file['data']['height'] = $info['height'];
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}
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else {
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$file['data']['height'] = '';
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}
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// Assign width
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if (((empty($file['data']['width']) && $file['data']['width'] !== '0') || $field['widget']['custom_size']) && $info) {
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$file['data']['width'] = $info['width'];
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}
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else {
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$file['data']['width'] = '';
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}
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}
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$element['data']['height'] = array(
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'#type' => $field['widget']['custom_size'] ? 'textfield' : 'value',
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'#title' => t('Height'),
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'#default_value' => $file['data']['height'],
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'#description' => t('Height.'),
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);
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// #value must be hard-coded if #type = 'value'.
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if (!$field['widget']['custom_size']) {
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$element['data']['height']['#value'] = $file['data']['height'];
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}
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$element['data']['width'] = array(
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'#type' => $field['widget']['custom_size'] ? 'textfield' : 'value',
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'#title' => t('Width'),
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'#default_value' => $file['data']['width'],
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'#description' => t('Width.'),
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);
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// #value must be hard-coded if #type = 'value'.
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if (!$field['widget']['custom_size']) {
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$element['data']['width']['#value'] = $file['data']['width'];
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}
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$element['data']['alt'] = array(
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'#title' => t('Alternate text'),
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'#type' => $field['widget']['custom_alt'] ? 'textfield' : 'value',
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'#default_value' => $file['data']['alt'],
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'#description' => t('This text will be used by screen readers, search engines, or when the image cannot be loaded.'),
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);
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// #value must be hard-coded if #type = 'value'.
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if (!$field['widget']['custom_alt']) {
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$element['data']['alt']['#value'] = $field['widget']['alt'];
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}
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$element['data']['flashvars'] = array(
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'#type' => $field['widget']['custom_flashvars'] ? 'textfield' : 'value',
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'#title' => t('Flashvars'),
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'#default_value' => $file['data']['flashvars'],
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'#description' => t('Flashvars.'),
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);
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// #value must be hard-coded if #type = 'value'.
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if (!$field['widget']['custom_flashvars']) {
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$element['data']['flashvars']['#value'] = '';
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}
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$element['data']['base'] = array(
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'#type' => $field['widget']['custom_base'] ? 'textfield' : 'value',
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'#title' => t('Base'),
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'#default_value' => $file['data']['base'],
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'#description' => t('Base.'),
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);
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// #value must be hard-coded if #type = 'value'.
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if (!$field['widget']['custom_base']) {
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$element['data']['base']['#value'] = $field['widget']['base'];
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}
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$element['data']['params'] = array(
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'#type' => $field['widget']['custom_params'] ? 'textfield' : 'value',
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'#title' => t('Params'),
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'#default_value' => $file['data']['params'],
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'#description' => t('Params.'),
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);
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// #value must be hard-coded if #type = 'value'.
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if (!$field['widget']['custom_params']) {
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$element['data']['params']['#value'] = $field['widget']['params'];
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}
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return $element;
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}
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/**
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* FormAPI theme function. Theme the output of an image field.
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*/
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function theme_flashfield_widget(&$element) {
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// drupal_add_css(drupal_get_path('module', 'flashfield') .'/flashfield.css');
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return theme('form_element', $element, $element['#children']);
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}
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/**
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* widget_validate().
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*/
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function flashfield_widget_validate(&$element, &$form_state) {
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dsm('Validating');
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// dsm('Element');
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// dsm($element);
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// dsm('Form state');
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dsm($form_state);
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//
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if (!empty($element['data']['height']['#value']) && !is_numeric($element['data']['height']['#value'])) {
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form_set_error($element['#field_name'] . '][' . $element['#delta'] . '][data][height', t('Height must be a number, or blank.'));
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}
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if (!empty($element['data']['width']['#value']) && !is_numeric($element['data']['width']['#value'])) {
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form_set_error($element['#field_name'] . '][' . $element['#delta'] . '][data][width', t('Width must be a number, or blank.'));
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}
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}
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