AddBannerForm.php in Dynamic Banner 8
Namespace
Drupal\dynamic_banner\formsFile
src/forms/AddBannerForm.phpView source
<?php
namespace Drupal\dynamic_banner\forms;
use Drupal\file\Entity\File;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Component\Utility\Html;
use Drupal\Core\Url;
use Drupal\Core\Database\Database;
//dynamic_banneruse Drupal\formbuilder\forms\FormBuilderModel;
class AddBannerForm extends FormBase {
public function getFormID() {
return 'frm_addbannerform';
}
public function buildForm(array $form, FormStateInterface $form_state) {
$current_path = \Drupal::service('path.current')
->getPath();
// Gets internal path - for eg /node/29.
$pathArgs = explode('/', $current_path);
$dbid = isset($pathArgs[5]) ? $pathArgs[5] : '';
// the last portion of the url there must be a better way of doing this
// This is used by the file handler, It is needed to accept files
$form['#attributes'] = array(
'enctype' => "multipart/form-data",
);
$file_path = drupal_get_path('module', 'file');
// default the variables here
$banner = NULL;
// prevent bugs nulify the variable
$default_flag = FALSE;
// enable variable in this scope
// hide it so that the user may not change this element
$form['dbid'] = array(
'#type' => 'hidden',
'#required' => FALSE,
);
if ($dbid == '' || $dbid == '0') {
// this will disable the path field for the default banner
if (isset($_GET['q']) && strrpos($_GET['q'], "/default")) {
$form['#title'] = $this
->t('Default Banner');
// load the default if there is one
$banner = $this
->dynamic_banner_find_load_default();
}
else {
$form['#title'] = $this
->t('New Banner');
$form['dbid']['#default_value'] = NULL;
}
}
else {
// The dbid is set so a banner must exist load it
$banner = $this
->dynamic_banner_load_banner($dbid);
$form['#title'] = $this
->t('Edit Banner');
//print_r($banner);
// exit;
//drupal_set_title(t("Edit Banner") . " '" . $banner->path . "'");
$form['dbid']['#default_value'] = $dbid;
}
// this will prevent the used from changing this field once the default has been loaded
// it deals with a bug if the person chose to edit the specific banner for default rather than pressing default
if ($banner && $banner->path == 'DEFAULT') {
$default_flag = TRUE;
}
// disable the path form element when the default flag is out
if (!$default_flag) {
$form['path'] = array(
'#type' => 'textfield',
'#title' => t('Banner Path'),
'#default_value' => $banner ? $banner->path : "",
'#size' => 45,
'#maxlength' => 250,
'#description' => t('Specify an existing url path you wish to put a banner on. For example: home, user* (wild card), content! (random). Enter a path as it appears in the url of your site.'),
'#field_prefix' => Url::fromRoute('<front>', [], [
'absolute' => TRUE,
]),
'#required' => TRUE,
);
}
else {
$form['path'] = array(
'#type' => 'hidden',
'#title' => t('Banner Path'),
'#default_value' => 'DEFAULT',
);
}
/*// if the module exists add the autocomplete path
// i might have to do my own autocomplete here cause mpac doesnt really do what i need it to do
if ( module_exists('mpac') ) {
$form['path']['#autocomplete_path'] = 'mpac/autocomplete/alias';
}*/
$img_arr = array(
t('Use Existing Image(s)'),
t('Upload New Image(s)'),
);
$form['image_type'] = array(
'#type' => 'radios',
'#options' => array_combine($img_arr, $img_arr),
'#title' => t('Choose image type.'),
);
if ($banner && isset($banner->imgurl)) {
$form['image_type']['#default_value'] = t('Use Existing Image(s)');
}
elseif ($banner && isset($banner->imgfid)) {
$form['image_type']['#default_value'] = t('Upload New Image(s)');
}
/**
* Note: There are two form elements for the same thing
* They are both not required but only one is needed for proper handling
* When we are loading an old banner load the url into imgurl
* When we are uploading a new image the validator will upload the image store it and fill in imgurl for you
* Only use one method no mix and matching
* When reading the data use checks to see which method was used
*/
global $base_url;
$form['imgurl'] = array(
'#type' => 'textfield',
'#title' => t('Typeout the url of the image'),
'#default_value' => $banner ? $banner->imgurl : '',
'#description' => t('Specify an image(s) for the banner to display.'),
'#field_prefix' => $base_url . '/sites/default/files',
'#states' => array(
'visible' => array(
':input[name="image_type"]' => array(
'value' => 'Use Existing Image(s)',
),
),
),
);
$form['image'] = array(
'#title' => t('Choose Image File'),
'#type' => 'managed_file',
'#default_value' => $banner ? array(
$banner->imgfid,
) : 0,
'#progress_indicator' => 'throbber',
'#progress_message' => NULL,
'#upload_location' => \Drupal::config('dynamic_banner.settings')
->get('dynamic_banner_file_save_path', BANNER_DEFAULT_SAVE_LOCATION),
'#description' => t('Specify an image(s) for the banner to display.'),
'#upload_validators' => [
'file_validate_extensions' => array(
'jpg jpeg png gif',
),
],
'#states' => array(
'visible' => array(
':input[name="image_type"]' => array(
'value' => 'Upload New Image(s)',
),
),
),
);
/**
* Since upon pressing the delete button on the image the fid is set to 0
* We need to save is because we still need to delete that image.
*/
$form['oldimagefid'] = array(
'#type' => 'hidden',
'#required' => FALSE,
'#default_value' => $banner ? $banner->imgfid : 0,
);
$form['text'] = array(
'#type' => 'textfield',
'#title' => t('Text'),
'#default_value' => $banner ? $banner->text : '',
'#maxlength' => 250,
'#size' => 45,
'#description' => t('Specify the text to associate with this banner [comma seperated for randoms, also must match amount of elements from images] (optional).'),
'#required' => FALSE,
);
$form['link'] = array(
'#type' => 'textfield',
'#title' => t('Link'),
'#default_value' => $banner ? $banner->link : '',
'#maxlength' => 250,
'#size' => 45,
'#description' => t('Specify the link you want your banner to point to (optional).'),
'#required' => FALSE,
);
$mode_arr = array(
t('normal'),
t('time_based'),
t('rotating'),
t('fade'),
);
$form['mode'] = array(
'#type' => 'radios',
'#title' => t('Mode'),
'#options' => array_combine($mode_arr, $mode_arr),
'#default_value' => $banner ? $banner->mode : BANNER_DEFAULT_BANNER_MODE,
'#description' => t('What mode do you want this banner to display under (this is different than display setting)'),
'#required' => TRUE,
);
/*
$form['time_on'] = array(
'#type' => 'date',
'#title' => t('Start Time'),
'#description' => t('Specify the time you want your banner to start displaying (optional).'),
'#required' => FALSE,
'#states' => array(
'visible' => array(
':input[name="mode"]' => array('value' => t('time_based')),
),
),
);
$form['time_off'] = array(
'#type' => 'date',
'#title' => t('End Time'),
'#description' => t('Specify the time you want your banner to stop displaying (optional).'),
'#required' => FALSE,
'#states' => array(
'visible' => array(
':input[name="mode"]' => array('value' => t('time_based')),
),
),
);*/
$form['submit'] = array(
'#type' => 'submit',
'#value' => t('Save Banner'),
);
$form['#attached']['library'][] = 'dynamic_banner/bannerattach';
return $form;
}
public function validateForm(array &$form, FormStateInterface $form_state) {
//No need to validate
// For a banner to exist it needs a path that it is assigned to and an image, thats it.
if ($form_state
->getValue('path') != '' && ($form_state
->getValue('image') != '' || $form_state
->getValue('imgurl') != '')) {
$path = $form_state
->getValue('path');
$dbid = $form_state
->getValue('dbid');
if ($path != 'DEFAULT' && $dbid == '') {
// check db before altering the path variable
// check for more than one of the same path banners
$query = \Drupal::database()
->select('dynamic_banner', 'frm')
->fields('frm', array(
'path',
))
->condition('path', $path)
->execute();
$result = $query
->fetchAll();
if (isset($result[0]) && $result[0]->path) {
$form_state
->setErrorByName('path', t('The path %path is already in use.', array(
'%path' => $path,
)));
return;
}
// path is not clean at this point because of wildcard and random must chop those characters off
// find the * or wildcard
$wild_position = strrpos($path, "*");
if ($wild_position !== FALSE) {
$path = drupal_substr($path, 0, $wild_position);
}
// find the ! or random
$rand_position = strrpos($path, "!");
if ($rand_position !== FALSE) {
$path = drupal_substr($path, 0, $rand_position);
}
// D8
$alias = \Drupal::service('path_alias.manager')
->getAliasByPath('/' . $path);
if (strcmp($alias, $path) == 0) {
$alias = '';
// No alias was found.
$form_state
->setErrorByName('path', t('The path %path is not known by drupal.', array(
'%path' => $path,
)));
return;
}
else {
if ($dbid != 0) {
return;
}
}
}
/*
* Image validation & upload
*/
$image = $form_state
->getValue('image');
if (isset($image[0]) && $image[0] != '' && $image[0] != 0) {
//$file = file_load($form_state->getValue('image'));
$file = File::load((int) $image[0]);
if ($file) {
$image = $form_state
->getValue('image');
$file
->setPermanent();
$file_usage = \Drupal::service('file.usage');
$file_usage
->add($file, 'dynamic_banner', 'banner', 1);
// Save the file again for permanent status
$file
->save();
}
else {
$form_state
->setErrorByName('image', t('Failed to write the uploaded file to the folder.'));
return;
}
}
elseif ($form_state
->getValue('image') == 0) {
echo "inside image is 0";
$this
->dynamic_banner_image_delete($form_state
->getValue('oldimagefid'));
}
/*
* Image validation & upload ends here
*/
}
else {
$form_state
->setErrorByName('path', t('There was a problem with the required fields please check the form and try again.'));
return;
}
}
public function submitForm(array &$form, FormStateInterface $form_state) {
//define a sort of struct array for display mode for form translation
//$mode_struct = array('normal', 'time_based', 'rotating', 'fade');
// extra validation check to make sure
if ($form_state
->getValue('image_type') == t('Use Existing Image(s)')) {
$imgurl = $form_state
->getValue('imgurl');
}
else {
$imgurl = NULL;
}
if ($form_state
->getValue('image_type') == t('Upload New Image(s)')) {
$imgfid = $form_state
->getValue('image');
}
else {
$imgfid = NULL;
}
$path = $form_state
->getValue('path');
$text = $form_state
->getValue('text');
$link = $form_state
->getValue('link');
$mode = $form_state
->getValue('mode');
$dbid = $form_state
->getValue('dbid');
$time_on = NULL;
$time_off = NULL;
// Save the banner
$this
->dynamic_banner_set_banner($path, $imgurl, $imgfid, $text, $link, $mode, $time_on, $time_off, $dbid);
$this
->messenger()
->addStatus(t('The banner has been saved.'));
$form_state
->setRedirect('cdb.listbanners');
return;
}
/**
* Set a banner for a given path, preventing duplicates.
* Note if dbid comes in null then we are creating a banner
*/
public function dynamic_banner_set_banner($path, $imgurl, $imgfid, $text, $link, $mode, $time_on, $time_off, $dbid = NULL) {
if (!$mode) {
$mode = BANNER_DEFAULT_BANNER_MODE;
}
// First we check if we are dealing with an existing alias and delete or modify it based on dbid.
// we dont need to do a complicated check here because the code already made it for us
if ($dbid) {
// Update the existing banner.
// TODO: Drupal Rector Notice: Please delete the following comment after you've made any necessary changes.
// You will need to use `\Drupal\core\Database\Database::getConnection()` if you do not yet have access to the container here.
\Drupal::database()
->update('dynamic_banner')
->fields(array(
'path' => $path,
'imgurl' => $imgurl,
'imgfid' => isset($imgfid[0]) ? $imgfid[0] : '',
'text' => $text,
'link' => $link,
'mode' => $mode,
'start_time' => $time_on,
'end_time' => $time_off,
))
->condition('dbid', $dbid)
->execute();
}
else {
// TODO: Drupal Rector Notice: Please delete the following comment after you've made any necessary changes.
// You will need to use `\Drupal\core\Database\Database::getConnection()` if you do not yet have access to the container here.
\Drupal::database()
->insert('dynamic_banner')
->fields(array(
'path' => $path,
'imgurl' => $imgurl,
'imgfid' => isset($imgfid[0]) ? $imgfid[0] : '',
'text' => $text,
'link' => $link,
'mode' => $mode,
'start_time' => $time_on,
'end_time' => $time_off,
))
->execute();
}
}
/**
* Post-confirmation; delete a Banner
*/
function dynamic_banner_admin_delete($dbid = 0) {
// TODO: Drupal Rector Notice: Please delete the following comment after you've made any necessary changes.
// You will need to use `\Drupal\core\Database\Database::getConnection()` if you do not yet have access to the container here.
\Drupal::database()
->delete('dynamic_banner')
->condition('dbid', $dbid)
->execute();
$this
->messenger()
->addStatus(t('The banner has been deleted, the image still exists though'));
}
/**
* Fetch a specific banner from the database.
*/
function dynamic_banner_load_banner($dbid) {
// TODO: Drupal Rector Notice: Please delete the following comment after you've made any necessary changes.
// You will need to use `\Drupal\core\Database\Database::getConnection()` if you do not yet have access to the container here.
$query = \Drupal::database()
->select('dynamic_banner', 'd');
$query
->condition('d.dbid', $dbid, '=')
->fields('d');
$result = $query
->execute()
->fetchObject();
if ($result) {
return $result;
}
return NULL;
}
/**
* Find the default banner and return all of it's attributes
function dynamic_banner_find_load_default() {
$query = db_select('dynamic_banner', 'd');
$query->condition('d.path', 'DEFAULT', '=')
->fields('d');
$result = $query->execute()->fetchObject();
if ($result) {
return $result;
}
// do not return null for this
$blank_banner = new stdClass();
$blank_banner->dbid = 0;
$blank_banner->path = 'DEFAULT';
$blank_banner->imgurl = '';
$blank_banner->mode = 'normal';
$blank_banner->text = '';
$blank_banner->link = '';
$blank_banner->imgfid = '';
return $blank_banner;
} */
/**
* This function will split the csv fid variable if it needs to be split
* And then delete those images from the file system and thier values in the db
*/
public function dynamic_banner_image_delete($fid) {
if (strrpos($fid, ',')) {
// split the plain string into an array
$all_fids = explode(",", $fid);
// load all files at once
//$all_files = file_load_multiple($all_fids);
$all_files = \Drupal\file\Entity\File::loadMultiple($all_fids);
if (is_array($all_files) && !empry($all_files)) {
foreach ($all_files as $file) {
if ($file) {
// When a module is managing a file, it must manage the usage count.
// Here we decrement the usage count with file_usage_delete().
file_usage_delete($file, 'dynamic_banner', 'banner', 1);
// The file_delete() function takes a file object and checks to see if
// the file is being used by any other modules. If it is the delete
// operation is cancelled, otherwise the file is deleted.
//TODO:
//file_delete($file);
}
$this
->messenger()
->addStatus(t('The image @image_name was removed.', array(
'@image_name' => $file->filename,
)));
}
}
}
else {
$file = $fid ? \Drupal::service('entity_type.manager')
->getStorage('file')
->load($fid) : FALSE;
if ($file) {
// When a module is managing a file, it must manage the usage count.
// Here we decrement the usage count with file_usage_delete().
file_usage_delete($file, 'dynamic_banner', 'banner', 1);
// The file_delete() function takes a file object and checks to see if
// the file is being used by any other modules. If it is the delete
// operation is cancelled, otherwise the file is deleted.
//TODO:
//file_delete($file);
}
if (isset($file->filename)) {
$fileName = $file->filename;
}
else {
$fileName = '';
}
$this
->messenger()
->addStatus(t('The image @image_name was removed.', array(
'@image_name' => $fileName,
)));
}
}
}Classes
Name |
Description |
|---|---|
| AddBannerForm |