mirror of
https://github.com/moodle/moodle.git
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197 lines
8.0 KiB
PHP
197 lines
8.0 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Defines the base class form used by blocks/edit.php to edit block instance configuration.
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*
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* It works with the {@link block_edit_form} class, or rather the particular
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* subclass defined by this block, to do the editing.
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*
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* @package moodlecore
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* @copyright 2009 Tim Hunt
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once($CFG->libdir . '/formslib.php');
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/**
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* The base class form used by blocks/edit.php to edit block instance configuration.
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*
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* @copyright 2009 Tim Hunt
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class block_edit_form extends moodleform {
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/**
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* The block instance we are editing.
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* @var block_base
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*/
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public $block;
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/**
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* The page we are editing this block in association with.
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* @var moodle_page
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*/
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public $page;
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function __construct($actionurl, $block, $page) {
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global $CFG;
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$this->block = $block;
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$this->page = $page;
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parent::moodleform($actionurl);
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}
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function definition() {
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$mform =& $this->_form;
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// First show fields specific to this type of block.
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$this->specific_definition($mform);
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// Then show the fields about where this block appears.
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$mform->addElement('header', 'whereheader', get_string('wherethisblockappears', 'block'));
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// If the current weight of the block is out-of-range, add that option in.
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$blockweight = $this->block->instance->weight;
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$weightoptions = array();
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if ($blockweight < -block_manager::MAX_WEIGHT) {
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$weightoptions[$blockweight] = $blockweight;
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}
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for ($i = -block_manager::MAX_WEIGHT; $i <= block_manager::MAX_WEIGHT; $i++) {
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$weightoptions[$i] = $i;
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}
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if ($blockweight > block_manager::MAX_WEIGHT) {
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$weightoptions[$blockweight] = $blockweight;
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}
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$first = reset($weightoptions);
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$weightoptions[$first] = get_string('bracketfirst', 'block', $first);
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$last = end($weightoptions);
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$weightoptions[$last] = get_string('bracketlast', 'block', $last);
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$regionoptions = $this->page->theme->get_all_block_regions();
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$parentcontext = get_context_instance_by_id($this->block->instance->parentcontextid);
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$mform->addElement('hidden', 'bui_parentcontextid', $parentcontext->id);
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$contextoptions = array();
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if ( ($parentcontext->contextlevel == CONTEXT_COURSE && $parentcontext->instanceid == SITEID) ||
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($parentcontext->contextlevel == CONTEXT_SYSTEM)) { // Home page
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$contextoptions[0] = get_string('showonfrontpageonly', 'block');
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$contextoptions[1] = get_string('showonfrontpageandsubs', 'block');
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$contextoptions[2] = get_string('showonentiresite', 'block');
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} else {
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$parentcontextname = print_context_name($parentcontext);
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$contextoptions[0] = get_string('showoncontextonly', 'block', $parentcontextname);
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$contextoptions[1] = get_string('showoncontextandsubs', 'block', $parentcontextname);
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}
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$mform->addElement('select', 'bui_contexts', get_string('contexts', 'block'), $contextoptions);
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if ($this->page->pagetype == 'site-index') { // No need for pagetype list on home page
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$pagetypelist = array('*');
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} else {
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$pagetypelist = matching_page_type_patterns($this->page->pagetype);
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}
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$pagetypeoptions = array();
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foreach ($pagetypelist as $pagetype) { // Find human-readable names for the pagetypes
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$pagetypeoptions[$pagetype] = $pagetype;
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$pagetypestringname = 'page-'.str_replace('*', 'x',$pagetype); // Better names MDL-21375
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$pagetypestring = get_string($pagetypestringname, 'pagetype');
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if (substr($pagetypestring, 0, 1) != '[') {
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$pagetypeoptions[$pagetype] .= ' ('.$pagetypestring.')';
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}
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}
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$mform->addElement('select', 'bui_pagetypepattern', get_string('restrictpagetypes', 'block'), $pagetypeoptions);
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if ($this->page->subpage) {
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$subpageoptions = array(
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'%@NULL@%' => get_string('anypagematchingtheabove', 'block'),
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$this->page->subpage => get_string('thisspecificpage', 'block', $this->page->subpage),
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);
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$mform->addElement('select', 'bui_subpagepattern', get_string('subpages', 'block'), $subpageoptions);
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}
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$defaultregionoptions = $regionoptions;
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$defaultregion = $this->block->instance->defaultregion;
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if (!array_key_exists($defaultregion, $defaultregionoptions)) {
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$defaultregionoptions[$defaultregion] = $defaultregion;
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}
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$mform->addElement('select', 'bui_defaultregion', get_string('defaultregion', 'block'), $defaultregionoptions);
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$mform->addElement('select', 'bui_defaultweight', get_string('defaultweight', 'block'), $weightoptions);
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// Where this block is positioned on this page.
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$mform->addElement('header', 'whereheader', get_string('onthispage', 'block'));
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$mform->addElement('selectyesno', 'bui_visible', get_string('visible', 'block'));
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$blockregion = $this->block->instance->region;
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if (!array_key_exists($blockregion, $regionoptions)) {
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$regionoptions[$blockregion] = $blockregion;
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}
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$mform->addElement('select', 'bui_region', get_string('region', 'block'), $regionoptions);
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$mform->addElement('select', 'bui_weight', get_string('weight', 'block'), $weightoptions);
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$pagefields = array('bui_visible', 'bui_region', 'bui_weight');
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if (!$this->block->user_can_edit()) {
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$mform->hardFreezeAllVisibleExcept($pagefields);
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}
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if (!$this->page->user_can_edit_blocks()) {
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$mform->hardFreeze($pagefields);
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}
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$this->add_action_buttons();
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}
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function set_data($defaults) {
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// Prefix bui_ on all the core field names.
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$blockfields = array('showinsubcontexts', 'pagetypepattern', 'subpagepattern', 'parentcontextid',
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'defaultregion', 'defaultweight', 'visible', 'region', 'weight');
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foreach ($blockfields as $field) {
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$newname = 'bui_' . $field;
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$defaults->$newname = $defaults->$field;
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}
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// Copy block config into config_ fields.
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if (!empty($this->block->config)) {
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foreach ($this->block->config as $field => $value) {
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$configfield = 'config_' . $field;
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$defaults->$configfield = $value;
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}
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}
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// Munge ->subpagepattern becuase HTML selects don't play nicely with NULLs.
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if (empty($defaults->bui_subpagepattern)) {
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$defaults->bui_subpagepattern = '%@NULL@%';
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}
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$systemcontext = get_context_instance(CONTEXT_SYSTEM);
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if ($defaults->parentcontextid == $systemcontext->id) {
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$defaults->bui_contexts = 2; // System-wide and sticky
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} else {
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$defaults->bui_contexts = $defaults->bui_showinsubcontexts;
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}
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parent::set_data($defaults);
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}
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/**
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* Override this to create any form fields specific to this type of block.
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* @param object $mform the form being built.
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*/
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protected function specific_definition($mform) {
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// By default, do nothing.
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}
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}
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