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<?php // This file is part of Moodle - http://moodle.org/ // // Moodle is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Moodle 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 General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Moodle. If not, see <http://www.gnu.org/licenses/>. namespace core\output\local\dropdown; use core\output\named_templatable; use renderable; /** * Class to render a dropdown dialog element. * * A dropdown dialog allows to render any arbitrary HTML into a dropdown elements triggered * by a button. * * @package core * @category output * @copyright 2023 Ferran Recio <ferran@moodle.com> * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later / class dialog implements named_templatable, renderable { /* Dropdown dialog positions. / public const POSITION = [ 'start' => 'dropdown-menu-left', 'end' => 'dropdown-menu-right', ]; /* Dropdown dialog positions. / public const WIDTH = [ 'default' => '', 'big' => 'dialog-big', 'small' => 'dialog-small', ]; /* * @var string content of dialog. / protected $dialogcontent = ''; /* * @var bool if the footer should auto enable or not. / protected $buttoncontent = true; /* * @var string trigger button CSS classes. / protected $buttonclasses = ''; /* * @var string component CSS classes. / protected $classes = ''; /* * @var string the dropdown position. / protected $dropdownposition = self::POSITION['start']; /* * @var string dropdown preferred width. / protected $dropdownwidth = self::WIDTH['default']; /* * @var array extra HTML attributes (attribute => value). / protected $extras = []; /* * Constructor. * * The definition object could contain the following keys: * - classes: component CSS classes. * - buttonclasses: the button CSS classes. * - dialogwidth: the dropdown width. * - dropdownposition: the dropdown position. * - extras: extra HTML attributes (attribute => value). * * @param string $buttoncontent the button content * @param string $dialogcontent the footer content * @param array $definition an optional array of the element definition / public function __construct(string $buttoncontent, string $dialogcontent, array $definition = []) { $this->buttoncontent = $buttoncontent; $this->dialogcontent = $dialogcontent; if (isset($definition['classes'])) { $this->classes = $definition['classes']; } if (isset($definition['buttonclasses'])) { $this->buttonclasses = $definition['buttonclasses']; } if (isset($definition['extras'])) { $this->extras = $definition['extras']; } if (isset($definition['dialogwidth'])) { $this->dropdownwidth = $definition['dialogwidth']; } if (isset($definition['dropdownposition'])) { $this->dropdownposition = $definition['dropdownposition']; } } /* * Set the dialog contents. * * @param string $dialogcontent / public function set_content(string $dialogcontent) { $this->dialogcontent = $dialogcontent; } /* * Set the button contents. * * @param string $buttoncontent * @param string\|null $buttonclasses the button classes / public function set_button(string $buttoncontent, ?string $buttonclasses = null) { $this->buttoncontent = $buttoncontent; if ($buttonclasses !== null) { $this->buttonclasses = $buttonclasses; } } /* * Set the dialog width. * * @param string $width / public function set_dialog_width(string $width) { $this->dropdownwidth = $width; } /* * Add extra classes to trigger butotn. * * @param string $buttonclasses the extra classes / public function set_button_classes(string $buttonclasses) { $this->buttonclasses = $buttonclasses; } /* * Add extra classes to the component. * * @param string $classes the extra classes / public function set_classes(string $classes) { $this->classes = $classes; } /* * Add extra extras to the sticky footer element. * * @param string $attribute the extra attribute * @param string $value the value / public function add_extra(string $attribute, string $value) { $this->extras[$attribute] = $value; } /* * Set the button element id. * * @param string $value the value / public function add_button_id(string $value) { $this->extras['buttonid'] = $value; } /* * Set the dropdown position. * @param string $position the position / public function set_position(string $position) { $this->dropdownposition = $position; } /* * Export this data so it can be used as the context for a mustache template (core/inplace_editable). * * @param \renderer_base $output typically, the renderer that's calling this function * @return array data context for a mustache template / public function export_for_template(\renderer_base $output): array { $extras = []; // Id is required to add JS controls to the dropdown. $dropdownid = $this->extras['id'] ?? \html_writer::random_id('dropdownDialog_'); if (isset($this->extras['id'])) { unset($this->extras['id']); } foreach ($this->extras as $attribute => $value) { $extras[] = [ 'attribute' => $attribute, 'value' => $value, ]; } $data = [ // Id is required for the correct HTML labelling. 'dropdownid' => $dropdownid, 'buttonid' => $this->extras['buttonid'] ?? \html_writer::random_id('dropwdownbutton_'), 'buttoncontent' => (string) $this->buttoncontent, 'dialogcontent' => (string) $this->dialogcontent, 'classes' => $this->classes, 'buttonclasses' => $this->buttonclasses, 'dialogclasses' => $this->dropdownwidth, 'extras' => $extras, ]; // Bootstrap 4 dropdown position still uses left and right literals. $data["position"] = $this->dropdownposition; if (right_to_left()) { $rltposition = [ self::POSITION['start'] => self::POSITION['end'], self::POSITION['end'] => self::POSITION['end'], ]; $data["position"] = $rltposition[$this->dropdownposition]; } return $data; } /* * Get the name of the template to use for this templatable. * * @param \renderer_base $renderer The renderer requesting the template name * @return string the template name */ public function get_template_name(\renderer_base $renderer): string { return 'core/local/dropdown/dialog'; } }

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