gnu-social/plugins/ChooseTheme/actions/choosethemesettings.php

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<?php
/**
* ChooseTheme - GNU social plugin enabling user to select preferred theme
* Copyright (C) 2015, kollektivet0x242.
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* @author Knut Erik Hollund <knut.erik@unlike.no>
* @copyright 2015 kollektivet0x242. http://www.kollektivet0x242.no
*
* @license GNU Affero General Public License http://www.gnu.org/licenses/
*/
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defined('GNUSOCIAL') || die();
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class ChooseThemeSettingsAction extends SettingsAction
{
/**
* Title of the page
* @return string Page title
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* @throws Exception
*/
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public function title(): string
{
// TRANS: Page title.
return _m('Choose theme settings');
}
/**
* Instructions for use
* @return string Instructions for use
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* @throws Exception
*/
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public function getInstructions(): string
{
// TRANS: Page instructions.
return _m('Choose theme');
}
/**
* Show the form for ChooseTheme
* @return void
*/
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public function showContent(): void
{
$site_theme = common_config('site', 'theme');
$prefs = $this->scoped->getPref('chosen_theme', 'theme', $site_theme);
if ($prefs === null) {
common_debug('No chosen theme found in database for user.');
}
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//Get a list of available themes on instance
$available_themes = Theme::listAvailable();
$chosenone = array_search($prefs, $available_themes, true);
$form = new ChooseThemeForm($this, $chosenone);
$form->show();
}
/**
* Handler method
*
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* @return string
* @throws Exception
*/
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public function doPost(): string
{
//Get a list of available themes on instance
$available_themes = Theme::listAvailable();
$chosen_theme = $available_themes[(int)$this->arg('dwct', '0')];
$this->msg = 'Settings saved.';
$success = $this->scoped->setPref('chosen_theme', 'theme', $chosen_theme);
// TRANS: Confirmation shown when user profile settings are saved.
if (!$success) {
$this->msg = 'No valid theme chosen.';
}
return _m($this->msg);
}
}
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class ChooseThemeForm extends Form
{
protected $prefs = null;
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public function __construct($out, $prefs)
{
parent::__construct($out);
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if ($prefs != null) {
$this->prefs = $prefs;
} else {
$this->prefs = common_config('site', 'theme');
}
}
/**
* Visible or invisible data elements
*
* Display the form fields that make up the data of the form.
* Sub-classes should overload this to show their data.
* @return void
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* @throws Exception
*/
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public function formData(): void
{
//Get a list of available themes on instance
$available_themes = Theme::listAvailable();
//Remove theme 'licenses' from selectable themes.
//The 'licenses' theme is not an actual theme and
//will just mess-up the gui.
$key = array_search('licenses', $available_themes);
if ($key != false) {
unset($available_themes[$key]);
}
$this->elementStart('fieldset');
$this->elementStart('ul', 'form_data');
$this->elementStart('li');
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$this->dropdown('dwct', _m('Themes'), $available_themes, _m('Select a theme'), false, $this->prefs);
$this->elementEnd('li');
$this->elementEnd('ul');
$this->elementEnd('fieldset');
}
/**
* Buttons for form actions
*
* Submit and cancel buttons (or whatever)
* Sub-classes should overload this to show their own buttons.
* @return void
*/
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public function formActions(): void
{
$this->submit('submit', _('Save'));
}
/**
* ID of the form
*
* Should be unique on the page. Sub-classes should overload this
* to show their own IDs.
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* @return string ID of the form
*/
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public function id(): string
{
return 'form_choosetheme_prefs';
}
/**
* Action of the form.
*
* URL to post to. Should be overloaded by subclasses to give
* somewhere to post to.
* @return string URL to post to
*/
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public function action(): string
{
return common_local_url('choosethemesettings');
}
/**
* Class of the form. May include space-separated list of multiple classes.
*
* @return string the form's class
*/
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public function formClass(): string
{
return 'form_settings';
}
}