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<?php
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/*
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$Id: category_tree.php 733 2006-08-20 15:32:32Z hpdl $
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osCommerce, Open Source E-Commerce Solutions
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http://www.oscommerce.com
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Copyright (c) 2004 osCommerce
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Released under the GNU General Public License
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*/
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class osC_CategoryTree {
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var $root_category_id = 0,
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$max_level = 0,
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$data = array(),
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$root_start_string = '',
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$root_end_string = '',
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$parent_start_string = '',
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$parent_end_string = '',
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$parent_group_start_string = '<ul>',
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$parent_group_end_string = '</ul>',
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$child_start_string = '<li>',
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$child_end_string = '</li>',
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$breadcrumb_separator = '_',
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$breadcrumb_usage = true,
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$spacer_string = '',
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$spacer_multiplier = 1,
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$follow_cpath = false,
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$cpath_array = array(),
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$cpath_start_string = '',
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$cpath_end_string = '',
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$show_category_product_count = false,
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$category_product_count_start_string = ' (',
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$category_product_count_end_string = ')';
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function osC_CategoryTree($load_from_database = true) {
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global $osC_Database, $osC_Cache, $osC_Language;
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if (SERVICES_CATEGORY_PATH_CALCULATE_PRODUCT_COUNT == '1') {
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$this->show_category_product_count = true;
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}
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if ($load_from_database === true) {
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if ($osC_Cache->read('category_tree-' . $osC_Language->getCode(), 720)) {
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$this->data = $osC_Cache->getCache();
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} else {
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$Qcategories = $osC_Database->query('select c.categories_id, c.parent_id, c.categories_image, cd.categories_name from :table_categories c, :table_categories_description cd where c.categories_id = cd.categories_id and cd.language_id = :language_id order by c.parent_id, c.sort_order, cd.categories_name');
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$Qcategories->bindTable(':table_categories', TABLE_CATEGORIES);
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$Qcategories->bindTable(':table_categories_description', TABLE_CATEGORIES_DESCRIPTION);
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$Qcategories->bindInt(':language_id', $osC_Language->getID());
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$Qcategories->execute();
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$this->data = array();
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while ($Qcategories->next()) {
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$this->data[$Qcategories->valueInt('parent_id')][$Qcategories->valueInt('categories_id')] = array('name' => $Qcategories->value('categories_name'), 'image' => $Qcategories->value('categories_image'), 'count' => 0);
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}
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$Qcategories->freeResult();
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if ($this->show_category_product_count === true) {
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$this->calculateCategoryProductCount();
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}
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$osC_Cache->writeBuffer($this->data);
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}
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}
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}
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function setData(&$data_array) {
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if (is_array($data_array)) {
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$this->data = array();
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for ($i=0, $n=sizeof($data_array); $i<$n; $i++) {
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$this->data[$data_array[$i]['parent_id']][$data_array[$i]['categories_id']] = array('name' => $data_array[$i]['categories_name'], 'count' => $data_array[$i]['categories_count']);
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}
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}
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}
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function reset() {
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$this->root_category_id = 0;
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$this->max_level = 0;
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$this->root_start_string = '';
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$this->root_end_string = '';
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$this->parent_start_string = '';
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$this->parent_end_string = '';
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$this->parent_group_start_string = '<ul>';
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$this->parent_group_end_string = '</ul>';
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$this->child_start_string = '<li>';
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$this->child_end_string = '</li>';
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$this->breadcrumb_separator = '_';
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$this->breadcrumb_usage = true;
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$this->spacer_string = '';
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$this->spacer_multiplier = 1;
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$this->follow_cpath = false;
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$this->cpath_array = array();
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$this->cpath_start_string = '';
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$this->cpath_end_string = '';
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$this->show_category_product_count = (SERVICES_CATEGORY_PATH_CALCULATE_PRODUCT_COUNT == '1') ? true : false;
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$this->category_product_count_start_string = ' (';
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$this->category_product_count_end_string = ')';
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}
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function buildBranch($parent_id, $level = 0) {
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$result = $this->parent_group_start_string;
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if (isset($this->data[$parent_id])) {
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foreach ($this->data[$parent_id] as $category_id => $category) {
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if ($this->breadcrumb_usage == true) {
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$category_link = $this->buildBreadcrumb($category_id);
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} else {
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$category_link = $category_id;
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}
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$result .= $this->child_start_string;
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if (isset($this->data[$category_id])) {
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$result .= $this->parent_start_string;
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}
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if ($level == 0) {
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$result .= $this->root_start_string;
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}
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if ( ($this->follow_cpath === true) && in_array($category_id, $this->cpath_array) ) {
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$link_title = $this->cpath_start_string . $category['name'] . $this->cpath_end_string;
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} else {
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$link_title = $category['name'];
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}
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$result .= str_repeat($this->spacer_string, $this->spacer_multiplier * $level) . osc_link_object(osc_href_link(FILENAME_DEFAULT, 'cPath=' . $category_link), $link_title);
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if ($this->show_category_product_count === true) {
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$result .= $this->category_product_count_start_string . $category['count'] . $this->category_product_count_end_string;
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}
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if ($level == 0) {
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$result .= $this->root_end_string;
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}
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if (isset($this->data[$category_id])) {
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$result .= $this->parent_end_string;
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}
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$result .= $this->child_end_string;
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if (isset($this->data[$category_id]) && (($this->max_level == '0') || ($this->max_level > $level+1))) {
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if ($this->follow_cpath === true) {
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if (in_array($category_id, $this->cpath_array)) {
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$result .= $this->buildBranch($category_id, $level+1);
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}
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} else {
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$result .= $this->buildBranch($category_id, $level+1);
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}
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}
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}
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}
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$result .= $this->parent_group_end_string;
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return $result;
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}
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function buildBranchArray($parent_id, $level = 0, $result = '') {
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if (empty($result)) {
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$result = array();
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}
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if (isset($this->data[$parent_id])) {
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foreach ($this->data[$parent_id] as $category_id => $category) {
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if ($this->breadcrumb_usage == true) {
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$category_link = $this->buildBreadcrumb($category_id);
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} else {
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$category_link = $category_id;
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}
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$result[] = array('id' => $category_link,
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'title' => str_repeat($this->spacer_string, $this->spacer_multiplier * $level) . $category['name']);
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if (isset($this->data[$category_id]) && (($this->max_level == '0') || ($this->max_level > $level+1))) {
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if ($this->follow_cpath === true) {
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if (in_array($category_id, $this->cpath_array)) {
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$result = $this->buildBranchArray($category_id, $level+1, $result);
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}
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} else {
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$result = $this->buildBranchArray($category_id, $level+1, $result);
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}
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}
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}
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}
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return $result;
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}
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function buildBreadcrumb($category_id, $level = 0) {
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$breadcrumb = '';
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foreach ($this->data as $parent => $categories) {
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foreach ($categories as $id => $info) {
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if ($id == $category_id) {
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if ($level < 1) {
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$breadcrumb = $id;
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} else {
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$breadcrumb = $id . $this->breadcrumb_separator . $breadcrumb;
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}
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if ($parent != $this->root_category_id) {
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$breadcrumb = $this->buildBreadcrumb($parent, $level+1) . $breadcrumb;
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}
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}
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}
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}
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return $breadcrumb;
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}
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function buildTree() {
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return $this->buildBranch($this->root_category_id);
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}
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function getTree($parent_id = '') {
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return $this->buildBranchArray((empty($parent_id) ? $this->root_category_id : $parent_id));
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}
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function exists($id) {
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foreach ($this->data as $parent => $categories) {
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foreach ($categories as $category_id => $info) {
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if ($id == $category_id) {
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return true;
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}
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}
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}
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return false;
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}
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function getChildren($category_id, &$array) {
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foreach ($this->data as $parent => $categories) {
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if ($parent == $category_id) {
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foreach ($categories as $id => $info) {
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$array[] = $id;
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$this->getChildren($id, $array);
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}
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}
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}
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return $array;
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}
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function getData($id) {
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foreach ($this->data as $parent => $categories) {
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foreach ($categories as $category_id => $info) {
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if ($id == $category_id) {
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return array('id' => $id,
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'name' => $info['name'],
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'parent_id' => $parent,
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'image' => $info['image'],
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'count' => $info['count']
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);
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}
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}
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}
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return false;
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}
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function calculateCategoryProductCount() {
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global $osC_Database;
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$totals = array();
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$Qtotals = $osC_Database->query('select p2c.categories_id, count(*) as total from :table_products p, :table_products_to_categories p2c where p2c.products_id = p.products_id and p.products_status = :products_status group by p2c.categories_id');
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$Qtotals->bindTable(':table_products', TABLE_PRODUCTS);
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$Qtotals->bindTable(':table_products_to_categories', TABLE_PRODUCTS_TO_CATEGORIES);
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$Qtotals->bindInt(':products_status', 1);
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$Qtotals->execute();
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while ($Qtotals->next()) {
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$totals[$Qtotals->valueInt('categories_id')] = $Qtotals->valueInt('total');
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}
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$Qtotals->freeResult();
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foreach ($this->data as $parent => $categories) {
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foreach ($categories as $id => $info) {
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if ($totals[$id] > 0) {
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$this->data[$parent][$id]['count'] = $totals[$id];
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$parent_category = $parent;
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while ($parent_category != $this->root_category_id) {
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foreach ($this->data as $parent_parent => $parent_categories) {
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foreach ($parent_categories as $parent_category_id => $parent_category_info) {
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if ($parent_category_id == $parent_category) {
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$this->data[$parent_parent][$parent_category_id]['count'] += $this->data[$parent][$id]['count'];
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$parent_category = $parent_parent;
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break 2;
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}
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}
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}
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}
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}
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}
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}
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unset($totals);
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}
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function setRootCategoryID($root_category_id) {
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$this->root_category_id = $root_category_id;
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}
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function setMaximumLevel($max_level) {
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$this->max_level = $max_level;
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}
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function setRootString($root_start_string, $root_end_string) {
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$this->root_start_string = $root_start_string;
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$this->root_end_string = $root_end_string;
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}
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function setParentString($parent_start_string, $parent_end_string) {
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$this->parent_start_string = $parent_start_string;
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$this->parent_end_string = $parent_end_string;
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}
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function setParentGroupString($parent_group_start_string, $parent_group_end_string) {
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$this->parent_group_start_string = $parent_group_start_string;
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$this->parent_group_end_string = $parent_group_end_string;
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}
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function setChildString($child_start_string, $child_end_string) {
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$this->child_start_string = $child_start_string;
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$this->child_end_string = $child_end_string;
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}
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function setBreadcrumbSeparator($breadcrumb_separator) {
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$this->breadcrumb_separator = $breadcrumb_separator;
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}
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function setBreadcrumbUsage($breadcrumb_usage) {
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if ($breadcrumb_usage === true) {
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$this->breadcrumb_usage = true;
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345
|
} else {
|
|
346
|
$this->breadcrumb_usage = false;
|
|
347
|
}
|
|
348
|
}
|
|
349
|
|
|
350
|
function setSpacerString($spacer_string, $spacer_multiplier = 2) {
|
|
351
|
$this->spacer_string = $spacer_string;
|
|
352
|
$this->spacer_multiplier = $spacer_multiplier;
|
|
353
|
}
|
|
354
|
|
|
355
|
function setCategoryPath($cpath, $cpath_start_string = '', $cpath_end_string = '') {
|
|
356
|
$this->follow_cpath = true;
|
|
357
|
$this->cpath_array = explode($this->breadcrumb_separator, $cpath);
|
|
358
|
$this->cpath_start_string = $cpath_start_string;
|
|
359
|
$this->cpath_end_string = $cpath_end_string;
|
|
360
|
}
|
|
361
|
|
|
362
|
function setFollowCategoryPath($follow_cpath) {
|
|
363
|
if ($follow_cpath === true) {
|
|
364
|
$this->follow_cpath = true;
|
|
365
|
} else {
|
|
366
|
$this->follow_cpath = false;
|
|
367
|
}
|
|
368
|
}
|
|
369
|
|
|
370
|
function setCategoryPathString($cpath_start_string, $cpath_end_string) {
|
|
371
|
$this->cpath_start_string = $cpath_start_string;
|
|
372
|
$this->cpath_end_string = $cpath_end_string;
|
|
373
|
}
|
|
374
|
|
|
375
|
function setShowCategoryProductCount($show_category_product_count) {
|
|
376
|
if ($show_category_product_count === true) {
|
|
377
|
$this->show_category_product_count = true;
|
|
378
|
} else {
|
|
379
|
$this->show_category_product_count = false;
|
|
380
|
}
|
|
381
|
}
|
|
382
|
|
|
383
|
function setCategoryProductCountString($category_product_count_start_string, $category_product_count_end_string) {
|
|
384
|
$this->category_product_count_start_string = $category_product_count_start_string;
|
|
385
|
$this->category_product_count_end_string = $category_product_count_end_string;
|
|
386
|
}
|
|
387
|
}
|
|
388
|
?>
|
