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https://github.com/moodle/moodle.git
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203 lines
8.7 KiB
PHP
203 lines
8.7 KiB
PHP
<?php // $Id$
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// All of this is standard Moodle fixtures
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require_once('../config.php');
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require_once($CFG->dirroot .'/course/lib.php');
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require_once($CFG->dirroot .'/lib/blocklib.php');
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require_once($CFG->dirroot .'/mod/resource/lib.php');
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require_once($CFG->dirroot .'/mod/forum/lib.php');
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optional_param('blockaction');
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optional_param('instanceid', 0, PARAM_INT);
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optional_param('blockid', 0, PARAM_INT);
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require_login();
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// Begin snippet -----------------------------------------------------------------
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// This snippet should normally be defined in another file, but I 've put it all
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// in here to keep it simple.
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// First of all define the string identifier for this "type" of page.
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define('MOODLE_PAGE_TEST', 'testpage');
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// Also, define identifiers for any non-standard block positions we want to support.
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define('BLOCK_POS_CENTERUP', 'cu');
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define('BLOCK_POS_CENTERDOWN', 'cd');
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// The actual Page derived class
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class page_test extends page_base {
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// Mandatory; should return our identifier.
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function get_type() {
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return MOODLE_PAGE_TEST;
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}
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// For this test page, only admins are going to be allowed editing (for simplicity).
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function user_allowed_editing() {
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return isadmin();
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}
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// Also, admins are considered to have "always on" editing (I wanted to avoid duplicating
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// the code that turns editing on/off here; you can roll your own or copy course/view.php).
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function user_is_editing() {
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return isadmin();
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}
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// Simple method that accepts one parameter and prints the header. Here we just ignore
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// the parameter entirely.
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function print_header($title) {
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print_header("Page testing page", 'SAMPLE CUSTOM PAGE', 'home');
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}
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// This should point to the script that displays us; it's straightforward in this case.
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function url_get_path() {
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global $CFG;
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return $CFG->wwwroot .'/blocks/pagedemo.php';
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}
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// We do not need any special request variables such as ID in this case, so we 're not
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// going to have to override url_get_parameters() here; the default suits us nicely.
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// Having defined all identifiers we need, here we declare which block positions we are
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// going to support.
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function blocks_get_positions() {
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return array(BLOCK_POS_LEFT, BLOCK_POS_RIGHT, BLOCK_POS_CENTERUP, BLOCK_POS_CENTERDOWN);
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}
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// And here we declare where new blocks will appear (arbitrary choice).
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function blocks_default_position() {
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return BLOCK_POS_CENTERUP;
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}
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// Since we 're not going to be creating multiple instances of this "page" (as we do with
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// courses), we don't need to provide default blocks. Otherwise we 'd need to override
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// the blocks_get_default() method.
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// And finally, a little block move logic. Given a block's previous position and where
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// we want to move it to, return its new position. Pretty self-documenting.
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function blocks_move_position(&$instance, $move) {
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if($instance->position == BLOCK_POS_LEFT && $move == BLOCK_MOVE_RIGHT) {
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return BLOCK_POS_CENTERUP;
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} else if ($instance->position == BLOCK_POS_RIGHT && $move == BLOCK_MOVE_LEFT) {
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return BLOCK_POS_CENTERUP;
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} else if (($instance->position == BLOCK_POS_CENTERUP || $instance->position == BLOCK_POS_CENTERDOWN) && $move == BLOCK_MOVE_LEFT) {
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return BLOCK_POS_LEFT;
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} else if (($instance->position == BLOCK_POS_CENTERUP || $instance->position == BLOCK_POS_CENTERDOWN) && $move == BLOCK_MOVE_RIGHT) {
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return BLOCK_POS_RIGHT;
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} else if ($instance->position == BLOCK_POS_CENTERUP && $move == BLOCK_MOVE_DOWN) {
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return BLOCK_POS_CENTERDOWN;
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} else if ($instance->position == BLOCK_POS_CENTERDOWN && $move == BLOCK_MOVE_UP) {
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return BLOCK_POS_CENTERUP;
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}
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return $instance->position;
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}
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}
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// End snippet -------------------------------------------------------------------
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/// Bounds for block widths on this page
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define('BLOCK_L_MIN_WIDTH', 160);
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define('BLOCK_L_MAX_WIDTH', 210);
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define('BLOCK_R_MIN_WIDTH', 160);
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define('BLOCK_R_MAX_WIDTH', 210);
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define('BLOCK_C_MIN_WIDTH', 250);
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define('BLOCK_C_MAX_WIDTH', 350);
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// Before creating our page object, we need to map our page identifier to the actual name
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// of the class which will be handling its operations. Pretty simple, but essential.
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page_map_class(MOODLE_PAGE_TEST, 'page_test');
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// Now, create our page object. The identifier "1" is passed arbitrarily because we don't
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// have multiple "testpages"; if we did, that would be the "testpageid" from the database.
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$PAGE = page_create_object(MOODLE_PAGE_TEST, 1);
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$PAGE->print_header(NULL);
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$editing = $PAGE->user_is_editing();
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// That's it! From now on, everything is simply copy-pasted from course/view.php with a few
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// minor tweaks to display the page layout!
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// Calculate the preferred width for left, right and center (both center positions will use the same)
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if (empty($preferred_width_left)) {
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$preferred_width_left = blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]);
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}
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if (empty($preferred_width_right)) {
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$preferred_width_right = blocks_preferred_width($pageblocks[BLOCK_POS_RIGHT]);
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}
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if (empty($preferred_width_centerup)) {
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$preferred_width_centerup = blocks_preferred_width($pageblocks[BLOCK_POS_CENTERUP]);
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}
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if (empty($preferred_width_centerdown)) {
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$preferred_width_centerdown = blocks_preferred_width($pageblocks[BLOCK_POS_CENTERDOWN]);
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}
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$preferred_width_left = min($preferred_width_left, BLOCK_L_MAX_WIDTH);
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$preferred_width_left = max($preferred_width_left, BLOCK_L_MIN_WIDTH);
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$preferred_width_right = min($preferred_width_right, BLOCK_R_MAX_WIDTH);
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$preferred_width_right = max($preferred_width_right, BLOCK_R_MIN_WIDTH);
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$preferred_width_center = max($preferred_width_centerup, $preferred_width_centerdown);
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$preferred_width_center = min($preferred_width_center, BLOCK_C_MAX_WIDTH);
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$preferred_width_center = max($preferred_width_center, BLOCK_C_MIN_WIDTH);
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// Display the blocks and allow blocklib to handle any block action requested
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$pageblocks = blocks_get_by_page($PAGE);
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if($editing) {
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if (!empty($blockaction) && confirm_sesskey()) {
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if (!empty($blockid)) {
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blocks_execute_action($PAGE, $pageblocks, strtolower($blockaction), intval($blockid));
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}
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else if (!empty($instanceid)) {
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$instance = blocks_find_instance($instanceid, $pageblocks);
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blocks_execute_action($PAGE, $pageblocks, strtolower($blockaction), $instance);
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}
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// This re-query could be eliminated by judicious programming in blocks_execute_action(),
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// but I'm not sure if it's worth the complexity increase...
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$pageblocks = blocks_get_by_page($PAGE);
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}
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}
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// The actual display logic is here
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echo '<table style="width: 100%;"><tr>';
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if(blocks_have_content($pageblocks,BLOCK_POS_LEFT) || $editing) {
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echo '<td style="vertical-align: top; width: '.$preferred_width_left.'px;">';
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blocks_print_group($PAGE, $pageblocks,BLOCK_POS_LEFT);
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echo '</td>';
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}
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echo '<td style="border: 1px black solid; width: '.$preferred_width_center.'px;"><p style="text-align: center; padding: 10px; background: black; color: white;">Center-up position:</p>';
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if(blocks_have_content($pageblocks,BLOCK_POS_CENTERUP) || $editing) {
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blocks_print_group($PAGE, $pageblocks,BLOCK_POS_CENTERUP);
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}
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echo '<div style="padding: 10px; background: gold; text-align: center;">Content Here';
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print_object(make_timestamp(2005, 6, 1, 0, 0, 0));
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echo '</div>';
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echo '<p style="text-align: center; padding: 10px; background: black; color: white;">Center-down position:</p>';
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if(blocks_have_content($pageblocks,BLOCK_POS_CENTERDOWN) || $editing) {
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blocks_print_group($PAGE, $pageblocks,BLOCK_POS_CENTERDOWN);
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}
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echo '</td>';
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if(blocks_have_content($pageblocks,BLOCK_POS_RIGHT) || $editing) {
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echo '<td style="vertical-align: top; width: '.$preferred_width_right.'px;">';
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blocks_print_group($PAGE, $pageblocks,BLOCK_POS_RIGHT);
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if ($editing) {
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blocks_print_adminblock($PAGE, $pageblocks);
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}
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echo '</td>';
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}
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// Finished! :-)
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echo '</tr></table>';
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print_footer();
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?>
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