gnu-social/plugins/OverwriteThemeBackground/actions/overwritethemebackgroundadminpanel.php

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<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
/**
* UI to overwrite his GNU social instance's background
*
* @category Plugin
* @package GNUsocial
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @copyright 2019 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
defined('GNUSOCIAL') || die();
/**
* Apply/Store the custom background preferences
*
* @copyright 2019 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class OverwriteThemeBackgroundAdminPanelAction extends AdminPanelAction
{
/**
* Title of the page
*
* @return string Title of the page
*/
public function title(): string
{
return _m('Overwrite Theme Background');
}
/**
* Instructions for use
*
* @return string instructions for use
*/
public function getInstructions(): string
{
return _m('Customize your theme\'s background easily');
}
/**
* Show the site admin panel form
*
* @return void
*/
public function showForm()
{
$form = new OverwriteThemeBackgroundAdminPanelForm($this);
$form->show();
return;
}
/**
* Save settings from the form
*
* @return void
*/
public function saveSettings()
{
static $settings = [
'overwritethemebackground' => [
'background-color',
'background-image',
'sslbackground-image',
'background-repeat',
'background-attachment',
'background-position'
]
];
$values = [];
foreach ($settings as $section => $parts) {
foreach ($parts as $setting) {
$values[$section][$setting] = $this->trimmed($setting);
}
}
// This throws an exception on validation errors
$this->validate($values);
// assert(all values are valid);
$config = new Config();
$config->query('START TRANSACTION');
foreach ($settings as $section => $parts) {
foreach ($parts as $setting) {
Config::save($section, $setting, $values[$section][$setting]);
}
}
$config->query('COMMIT');
return;
}
/**
* Validate form values
*
* @param $values
* @throws ClientException
*/
public function validate(&$values)
{
// Validate background
if (!empty($values['overwritethemebackground']['background-image']) &&
!common_valid_http_url($values['overwritethemebackground']['background-image'])) {
// TRANS: Client error displayed when a background URL is not valid.
$this->clientError(_m('Invalid background URL.'));
}
if (!empty($values['overwritethemebackground']['sslbackground-image']) &&
!common_valid_http_url($values['overwritethemebackground']['sslbackground-image'], true)) {
// TRANS: Client error displayed when a SSL background URL is invalid.
$this->clientError(_m('Invalid SSL background URL.'));
}
}
}
/**
* Friendly UI for setting the custom background preferences
*
* @copyright 2019 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class OverwriteThemeBackgroundAdminPanelForm extends AdminForm
{
/**
* ID of the form
*
* @return int ID of the form
*/
public function id()
{
return 'form_site_admin_panel';
}
/**
* class of the form
*
* @return string class of the form
*/
public function formClass()
{
return 'form_settings';
}
/**
* Action of the form
*
* @return string URL of the action
*/
public function action()
{
return common_local_url('overwritethemebackgroundAdminPanel');
}
/**
* Data elements of the form
*
* @return void
*/
public function formData()
{
$this->out->elementStart('fieldset', ['id' => 'settings_site_background']);
// TRANS: Fieldset legend for form to change background.
$this->out->element('legend', null, _m('Background'));
$this->out->elementStart('ul', 'form_data');
/* Background colour */
$this->li();
$this->input(
'background-color',
// TRANS: Field label for GNU social site background.
_m('Site background color'),
// TRANS: Title for field label for GNU social site background.
'Background color for the site (hexadecimal with #).',
'overwritethemebackground'
);
$this->unli();
/* Background image */
$this->li();
$this->input(
'background-image',
// TRANS: Field label for GNU social site background.
_m('Site background'),
// TRANS: Title for field label for GNU social site background.
'Background for the site (full URL).',
'overwritethemebackground'
);
$this->unli();
$this->li();
$this->input(
'sslbackground-image',
// TRANS: Field label for SSL GNU social site background.
_m('SSL background'),
// TRANS: Title for field label for SSL GNU social site background.
'Background to show on SSL pages (full URL).',
'overwritethemebackground'
);
$this->unli();
/* Background repeat */
$this->li();
// TRANS: Dropdown label on site settings panel.
$this->out->dropdown(
'background-repeat',
_m('Background repeat'),
// TRANS: Dropdown title on site settings panel.
['Repeat horizontally and vertically', 'Repeat Horizontally', 'Repeat Vertically', 'Don\'t repeat'],
_m('repeat horizontally and/or vertically'),
false,
common_config('overwritethemebackground', 'background-repeat') ?? 'repeat'
);
$this->unli();
/* Background attachment */
$this->li();
// TRANS: Dropdown label on site settings panel.
$this->out->dropdown(
'background-attachment',
_m('Background attachment'),
// TRANS: Dropdown title on site settings panel.
['Scroll with page', 'Stay fixed'],
_m('Whether the background image should scroll or be fixed (will not scroll with the rest of the page)'),
false,
common_config('overwritethemebackground', 'background-attachment') ?? 'scroll'
);
$this->unli();
/* Background position */
$background_position_options = [
'initial',
'left top',
'left center',
'left bottom',
'right top',
'right center',
'right bottom',
'center top',
'center center',
'center bottom'
];
$this->li();
// TRANS: Dropdown label on site settings panel.
$this->out->dropdown(
'background-position',
_m('Background position'),
// TRANS: Dropdown title on site settings panel.
$background_position_options,
_m('Sets the starting position of a background image'),
false,
common_config('overwritethemebackground', 'background-attachment') ?? 'initial'
);
$this->unli();
$this->out->elementEnd('ul');
$this->out->elementEnd('fieldset');
}
/**
* Action elements
*
* @return void
*/
public function formActions()
{
$this->out->submit(
'submit',
// TRANS: Button text for saving site settings.
_m('BUTTON', 'Save'),
'submit',
null,
// TRANS: Button title for saving site settings.
_m('Save the site settings.')
);
}
}