116 lines
3.9 KiB
PHP
116 lines
3.9 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
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/**
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2013 Bharat Mediratta
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*
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* This program 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 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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class block_manager_Core {
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static function get_active($location) {
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return unserialize(module::get_var("gallery", "blocks_$location", "a:0:{}"));
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}
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static function set_active($location, $blocks) {
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module::set_var("gallery", "blocks_$location", serialize($blocks));
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}
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static function add($location, $module_name, $block_id) {
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$blocks = block_manager::get_active($location);
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$blocks[random::int()] = array($module_name, $block_id);
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block_manager::set_active($location, $blocks);
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}
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static function activate_blocks($module_name) {
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$block_class = "{$module_name}_block";
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if (method_exists($block_class, "get_site_list")) {
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$blocks = call_user_func(array($block_class, "get_site_list"));
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foreach (array_keys($blocks) as $block_id) {
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block_manager::add("site_sidebar", $module_name, $block_id);
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}
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}
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}
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static function remove($location, $block_id) {
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$blocks = block_manager::get_active($location);
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unset($blocks[$block_id]);
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block_manager::set_active($location, $blocks);
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}
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static function remove_blocks_for_module($location, $module_name) {
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$blocks = block_manager::get_active($location);
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foreach ($blocks as $key => $block) {
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if ($block[0] == $module_name) {
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unset($blocks[$key]);
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}
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}
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block_manager::set_active($location, $blocks);
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}
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static function deactivate_blocks($module_name) {
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$block_class = "{$module_name}_block";
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if (method_exists($block_class, "get_site_list")) {
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$blocks = call_user_func(array($block_class, "get_site_list"));
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foreach (array_keys($blocks) as $block_id) {
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block_manager::remove_blocks_for_module("site_sidebar", $module_name);
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}
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}
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if (method_exists($block_class, "get_admin_list")) {
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$blocks = call_user_func(array($block_class, "get_admin_list"));
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foreach (array("dashboard_sidebar", "dashboard_center") as $location) {
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block_manager::remove_blocks_for_module($location, $module_name);
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}
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}
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}
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static function get_available_admin_blocks() {
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return self::_get_blocks("get_admin_list");
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}
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static function get_available_site_blocks() {
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return self::_get_blocks("get_site_list");
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}
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private static function _get_blocks($function) {
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$blocks = array();
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foreach (module::active() as $module) {
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$class_name = "{$module->name}_block";
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if (method_exists($class_name, $function)) {
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foreach (call_user_func(array($class_name, $function)) as $id => $title) {
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$blocks["{$module->name}:$id"] = $title;
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}
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}
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}
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return $blocks;
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}
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static function get_html($location, $theme=null) {
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$active = block_manager::get_active($location);
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$result = "";
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foreach ($active as $id => $desc) {
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if (method_exists("$desc[0]_block", "get")) {
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$block = call_user_func(array("$desc[0]_block", "get"), $desc[1], $theme);
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if (!empty($block)) {
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$block->id = $id;
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$result .= $block;
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}
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}
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}
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return $result;
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}
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}
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