File "NavigationTree.php"
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MIME-type: text/x-php
Charset: utf-8
<?php
/**
* Functionality for the navigation tree
*/
declare(strict_types=1);
namespace PhpMyAdmin\Navigation;
use PhpMyAdmin\CheckUserPrivileges;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Html\Generator;
use PhpMyAdmin\Navigation\Nodes\Node;
use PhpMyAdmin\Navigation\Nodes\NodeDatabase;
use PhpMyAdmin\Navigation\Nodes\NodeTable;
use PhpMyAdmin\Navigation\Nodes\NodeTableContainer;
use PhpMyAdmin\Navigation\Nodes\NodeViewContainer;
use PhpMyAdmin\RecentFavoriteTable;
use PhpMyAdmin\ResponseRenderer;
use PhpMyAdmin\Template;
use PhpMyAdmin\Url;
use PhpMyAdmin\Util;
use function __;
use function _ngettext;
use function array_intersect_key;
use function array_key_exists;
use function array_keys;
use function array_merge;
use function array_shift;
use function base64_decode;
use function count;
use function explode;
use function floor;
use function get_class;
use function htmlspecialchars;
use function in_array;
use function is_array;
use function is_bool;
use function is_object;
use function mb_strlen;
use function mb_strpos;
use function mb_substr;
use function sort;
use function sprintf;
use function strcasecmp;
use function strlen;
use function strnatcasecmp;
use function strrpos;
use function strstr;
use function substr;
use function trigger_error;
use function trim;
use function usort;
use const E_USER_WARNING;
/**
* Displays a collapsible of database objects in the navigation frame
*/
class NavigationTree
{
private const SPECIAL_NODE_NAMES = ['tables', 'views', 'functions', 'procedures', 'events'];
/** @var Node Reference to the root node of the tree */
private $tree;
/**
* @var array The actual paths to all expanded nodes in the tree
* This does not include nodes created after the grouping
* of nodes has been performed
*/
private $aPath = [];
/**
* @var array The virtual paths to all expanded nodes in the tree
* This includes nodes created after the grouping of
* nodes has been performed
*/
private $vPath = [];
/**
* @var int Position in the list of databases,
* used for pagination
*/
private $pos;
/**
* @var string[] The names of the type of items that are being paginated on
* the second level of the navigation tree. These may be
* tables, views, functions, procedures or events.
*/
private $pos2Name = [];
/**
* @var int[] The positions of nodes in the lists of tables, views,
* routines or events used for pagination
*/
private $pos2Value = [];
/**
* @var string[] The names of the type of items that are being paginated
* on the second level of the navigation tree.
* These may be columns or indexes
*/
private $pos3Name = [];
/**
* @var int[] The positions of nodes in the lists of columns or indexes
* used for pagination
*/
private $pos3Value = [];
/**
* @var string The search clause to use in SQL queries for
* fetching databases
* Used by the asynchronous fast filter
*/
private $searchClause = '';
/**
* @var string The search clause to use in SQL queries for
* fetching nodes
* Used by the asynchronous fast filter
*/
private $searchClause2 = '';
/**
* @var bool Whether a warning was raised for large item groups
* which can affect performance.
*/
private $largeGroupWarning = false;
/** @var Template */
private $template;
/** @var DatabaseInterface */
private $dbi;
/**
* @param Template $template Template instance
* @param DatabaseInterface $dbi DatabaseInterface instance
*/
public function __construct($template, DatabaseInterface $dbi)
{
$this->template = $template;
$this->dbi = $dbi;
$checkUserPrivileges = new CheckUserPrivileges($this->dbi);
$checkUserPrivileges->getPrivileges();
// Save the position at which we are in the database list
if (isset($_POST['pos'])) {
$this->pos = (int) $_POST['pos'];
} elseif (isset($_GET['pos'])) {
$this->pos = (int) $_GET['pos'];
}
if (! isset($this->pos)) {
$this->pos = $this->getNavigationDbPos();
}
// Get the active node
if (isset($_POST['aPath'])) {
$this->aPath[0] = $this->parsePath($_POST['aPath']);
$this->pos2Name[0] = $_POST['pos2_name'] ?? '';
$this->pos2Value[0] = (int) ($_POST['pos2_value'] ?? 0);
if (isset($_POST['pos3_name'])) {
$this->pos3Name[0] = $_POST['pos3_name'] ?? '';
$this->pos3Value[0] = (int) $_POST['pos3_value'];
}
} else {
if (isset($_POST['n0_aPath'])) {
$count = 0;
while (isset($_POST['n' . $count . '_aPath'])) {
$this->aPath[$count] = $this->parsePath($_POST['n' . $count . '_aPath']);
if (isset($_POST['n' . $count . '_pos2_name'])) {
$this->pos2Name[$count] = $_POST['n' . $count . '_pos2_name'];
$this->pos2Value[$count] = (int) $_POST['n' . $count . '_pos2_value'];
}
if (isset($_POST['n' . $count . '_pos3_name'])) {
$this->pos3Name[$count] = $_POST['n' . $count . '_pos3_name'];
$this->pos3Value[$count] = (int) $_POST['n' . $count . '_pos3_value'];
}
$count++;
}
}
}
if (isset($_POST['vPath'])) {
$this->vPath[0] = $this->parsePath($_POST['vPath']);
} else {
if (isset($_POST['n0_vPath'])) {
$count = 0;
while (isset($_POST['n' . $count . '_vPath'])) {
$this->vPath[$count] = $this->parsePath($_POST['n' . $count . '_vPath']);
$count++;
}
}
}
if (isset($_POST['searchClause'])) {
$this->searchClause = $_POST['searchClause'];
}
if (isset($_POST['searchClause2'])) {
$this->searchClause2 = $_POST['searchClause2'];
}
// Initialize the tree by creating a root node
$node = NodeFactory::getInstance('NodeDatabaseContainer', 'root');
$this->tree = $node;
if (! $GLOBALS['cfg']['NavigationTreeEnableGrouping'] || ! $GLOBALS['cfg']['ShowDatabasesNavigationAsTree']) {
return;
}
$this->tree->separator = $GLOBALS['cfg']['NavigationTreeDbSeparator'];
$this->tree->separatorDepth = 10000;
}
/**
* Returns the database position for the page selector
*/
private function getNavigationDbPos(): int
{
$retval = 0;
if (strlen($GLOBALS['db'] ?? '') === 0) {
return $retval;
}
/*
* @todo describe a scenario where this code is executed
*/
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
$dbSeparator = $this->dbi->escapeString($GLOBALS['cfg']['NavigationTreeDbSeparator']);
$query = 'SELECT (COUNT(DB_first_level) DIV %d) * %d ';
$query .= 'from ( ';
$query .= ' SELECT distinct SUBSTRING_INDEX(SCHEMA_NAME, ';
$query .= " '%s', 1) ";
$query .= ' DB_first_level ';
$query .= ' FROM INFORMATION_SCHEMA.SCHEMATA ';
$query .= " WHERE `SCHEMA_NAME` < '%s' ";
$query .= ') t ';
return (int) $this->dbi->fetchValue(
sprintf(
$query,
(int) $GLOBALS['cfg']['FirstLevelNavigationItems'],
(int) $GLOBALS['cfg']['FirstLevelNavigationItems'],
$dbSeparator,
$this->dbi->escapeString($GLOBALS['db'])
)
);
}
$prefixMap = [];
if ($GLOBALS['dbs_to_test'] === false) {
$handle = $this->dbi->tryQuery('SHOW DATABASES');
if ($handle !== false) {
while ($database = $handle->fetchValue()) {
if (strcasecmp($database, $GLOBALS['db']) >= 0) {
break;
}
$prefix = strstr($database, $GLOBALS['cfg']['NavigationTreeDbSeparator'], true);
if ($prefix === false) {
$prefix = $database;
}
$prefixMap[$prefix] = 1;
}
}
} else {
$databases = [];
foreach ($GLOBALS['dbs_to_test'] as $db) {
$query = "SHOW DATABASES LIKE '" . $db . "'";
$handle = $this->dbi->tryQuery($query);
if ($handle === false) {
continue;
}
$databases = array_merge($databases, $handle->fetchAllColumn());
}
sort($databases);
foreach ($databases as $database) {
if (strcasecmp($database, $GLOBALS['db']) >= 0) {
break;
}
$prefix = strstr($database, $GLOBALS['cfg']['NavigationTreeDbSeparator'], true);
if ($prefix === false) {
$prefix = $database;
}
$prefixMap[$prefix] = 1;
}
}
$navItems = (int) $GLOBALS['cfg']['FirstLevelNavigationItems'];
return (int) floor(count($prefixMap) / $navItems) * $navItems;
}
/**
* Converts an encoded path to a node in string format to an array
*
* @param string $string The path to parse
*
* @return array
*/
private function parsePath($string): array
{
$path = explode('.', $string);
foreach ($path as $key => $value) {
$path[$key] = base64_decode($value);
}
return $path;
}
/**
* Generates the tree structure so that it can be rendered later
*
* @return Node|bool The active node or false in case of failure, or true: (@see buildPathPart())
*/
private function buildPath()
{
$retval = $this->tree;
// Add all databases unconditionally
$data = $this->tree->getData('databases', $this->pos, $this->searchClause);
$hiddenCounts = $this->tree->getNavigationHidingData();
foreach ($data as $db) {
/** @var NodeDatabase $node */
$node = NodeFactory::getInstance('NodeDatabase', $db);
if (isset($hiddenCounts[$db])) {
$node->setHiddenCount($hiddenCounts[$db]);
}
$this->tree->addChild($node);
}
// Whether build other parts of the tree depends
// on whether we have any paths in $this->aPath
foreach ($this->aPath as $key => $path) {
$retval = $this->buildPathPart(
$path,
$this->pos2Name[$key] ?? '',
$this->pos2Value[$key] ?? 0,
$this->pos3Name[$key] ?? '',
$this->pos3Value[$key] ?? 0
);
}
return $retval;
}
/**
* Builds a branch of the tree
*
* @param array $path A paths pointing to the branch
* of the tree that needs to be built
* @param string $type2 The type of item being paginated on
* the second level of the tree
* @param int $pos2 The position for the pagination of
* the branch at the second level of the tree
* @param string $type3 The type of item being paginated on
* the third level of the tree
* @param int $pos3 The position for the pagination of
* the branch at the third level of the tree
*
* @return Node|bool The active node or false in case of failure, true if the path contains <= 1 items
*/
private function buildPathPart(array $path, string $type2, int $pos2, string $type3, int $pos3)
{
if (count($path) <= 1) {
return true;
}
array_shift($path); // remove 'root'
/** @var NodeDatabase|null $db */
$db = $this->tree->getChild($path[0]);
if ($db === null) {
return false;
}
$retval = $db;
$containers = $this->addDbContainers($db, $type2, $pos2);
array_shift($path); // remove db
if ((count($path) <= 0 || ! array_key_exists($path[0], $containers)) && count($containers) != 1) {
return $retval;
}
if (count($containers) === 1) {
$container = array_shift($containers);
} else {
$container = $db->getChild($path[0], true);
if ($container === null) {
return false;
}
}
$retval = $container;
if (count($container->children) <= 1) {
$dbData = $db->getData($container->realName, $pos2, $this->searchClause2);
foreach ($dbData as $item) {
switch ($container->realName) {
case 'events':
$node = NodeFactory::getInstance('NodeEvent', $item);
break;
case 'functions':
$node = NodeFactory::getInstance('NodeFunction', $item);
break;
case 'procedures':
$node = NodeFactory::getInstance('NodeProcedure', $item);
break;
case 'tables':
$node = NodeFactory::getInstance('NodeTable', $item);
break;
case 'views':
$node = NodeFactory::getInstance('NodeView', $item);
break;
default:
break;
}
if (! isset($node)) {
continue;
}
if ($type2 == $container->realName) {
$node->pos2 = $pos2;
}
$container->addChild($node);
}
}
if (count($path) > 1 && $path[0] !== 'tables') {
return false;
}
array_shift($path); // remove container
if (count($path) <= 0) {
return $retval;
}
/** @var NodeTable|null $table */
$table = $container->getChild($path[0], true);
if ($table === null) {
if (! $db->getPresence('tables', $path[0])) {
return false;
}
$node = NodeFactory::getInstance('NodeTable', $path[0]);
if ($type2 == $container->realName) {
$node->pos2 = $pos2;
}
$container->addChild($node);
$table = $container->getChild($path[0], true);
}
$retval = $table ?? false;
$containers = $this->addTableContainers($table, $pos2, $type3, $pos3);
array_shift($path); // remove table
if (count($path) <= 0 || ! array_key_exists($path[0], $containers)) {
return $retval;
}
$container = $table->getChild($path[0], true);
$retval = $container ?? false;
$tableData = $table->getData($container->realName, $pos3);
foreach ($tableData as $item) {
switch ($container->realName) {
case 'indexes':
$node = NodeFactory::getInstance('NodeIndex', $item);
break;
case 'columns':
$node = NodeFactory::getInstance('NodeColumn', $item);
break;
case 'triggers':
$node = NodeFactory::getInstance('NodeTrigger', $item);
break;
default:
break;
}
if (! isset($node)) {
continue;
}
$node->pos2 = $container->parent->pos2;
if ($type3 == $container->realName) {
$node->pos3 = $pos3;
}
$container->addChild($node);
}
return $retval;
}
/**
* Adds containers to a node that is a table
*
* References to existing children are returned
* if this function is called twice on the same node
*
* @param NodeTable $table The table node, new containers will be
* attached to this node
* @param int $pos2 The position for the pagination of
* the branch at the second level of the tree
* @param string $type3 The type of item being paginated on
* the third level of the tree
* @param int $pos3 The position for the pagination of
* the branch at the third level of the tree
*
* @return array An array of new nodes
*/
private function addTableContainers(NodeTable $table, int $pos2, string $type3, int $pos3): array
{
$retval = [];
if ($table->hasChildren(true) == 0) {
if ($table->getPresence('columns')) {
$retval['columns'] = NodeFactory::getInstance('NodeColumnContainer');
}
if ($table->getPresence('indexes')) {
$retval['indexes'] = NodeFactory::getInstance('NodeIndexContainer');
}
if ($table->getPresence('triggers')) {
$retval['triggers'] = NodeFactory::getInstance('NodeTriggerContainer');
}
// Add all new Nodes to the tree
foreach ($retval as $node) {
$node->pos2 = $pos2;
if ($type3 == $node->realName) {
$node->pos3 = $pos3;
}
$table->addChild($node);
}
} else {
foreach ($table->children as $node) {
if ($type3 == $node->realName) {
$node->pos3 = $pos3;
}
$retval[$node->realName] = $node;
}
}
return $retval;
}
/**
* Adds containers to a node that is a database
*
* References to existing children are returned
* if this function is called twice on the same node
*
* @param NodeDatabase $db The database node, new containers will be
* attached to this node
* @param string $type The type of item being paginated on
* the second level of the tree
* @param int $pos2 The position for the pagination of
* the branch at the second level of the tree
*
* @return array An array of new nodes
*/
private function addDbContainers(NodeDatabase $db, string $type, int $pos2): array
{
// Get items to hide
$hidden = $db->getHiddenItems('group');
if (! $GLOBALS['cfg']['NavigationTreeShowTables'] && ! in_array('tables', $hidden)) {
$hidden[] = 'tables';
}
if (! $GLOBALS['cfg']['NavigationTreeShowViews'] && ! in_array('views', $hidden)) {
$hidden[] = 'views';
}
if (! $GLOBALS['cfg']['NavigationTreeShowFunctions'] && ! in_array('functions', $hidden)) {
$hidden[] = 'functions';
}
if (! $GLOBALS['cfg']['NavigationTreeShowProcedures'] && ! in_array('procedures', $hidden)) {
$hidden[] = 'procedures';
}
if (! $GLOBALS['cfg']['NavigationTreeShowEvents'] && ! in_array('events', $hidden)) {
$hidden[] = 'events';
}
$retval = [];
if ($db->hasChildren(true) == 0) {
if (! in_array('tables', $hidden) && $db->getPresence('tables')) {
$retval['tables'] = NodeFactory::getInstance('NodeTableContainer');
}
if (! in_array('views', $hidden) && $db->getPresence('views')) {
$retval['views'] = NodeFactory::getInstance('NodeViewContainer');
}
if (! in_array('functions', $hidden) && $db->getPresence('functions')) {
$retval['functions'] = NodeFactory::getInstance('NodeFunctionContainer');
}
if (! in_array('procedures', $hidden) && $db->getPresence('procedures')) {
$retval['procedures'] = NodeFactory::getInstance('NodeProcedureContainer');
}
if (! in_array('events', $hidden) && $db->getPresence('events')) {
$retval['events'] = NodeFactory::getInstance('NodeEventContainer');
}
// Add all new Nodes to the tree
foreach ($retval as $node) {
if ($type == $node->realName) {
$node->pos2 = $pos2;
}
$db->addChild($node);
}
} else {
foreach ($db->children as $node) {
if ($type == $node->realName) {
$node->pos2 = $pos2;
}
$retval[$node->realName] = $node;
}
}
return $retval;
}
/**
* Recursively groups tree nodes given a separator
*
* @param Node $node The node to group or null
* to group the whole tree. If
* passed as an argument, $node
* must be of type CONTAINER
*/
public function groupTree(?Node $node = null): void
{
if ($node === null) {
$node = $this->tree;
}
$this->groupNode($node);
foreach ($node->children as $child) {
$this->groupTree($child);
}
}
/**
* Recursively groups tree nodes given a separator
*
* @param Node $node The node to group
*/
public function groupNode($node): void
{
if ($node->type != Node::CONTAINER || ! $GLOBALS['cfg']['NavigationTreeEnableExpansion']) {
return;
}
$separators = [];
if (is_array($node->separator)) {
$separators = $node->separator;
} else {
if (strlen($node->separator)) {
$separators[] = $node->separator;
}
}
$prefixes = [];
if ($node->separatorDepth > 0) {
foreach ($node->children as $child) {
$prefixPos = false;
foreach ($separators as $separator) {
$sepPos = mb_strpos((string) $child->name, $separator);
if (
$sepPos == false
|| $sepPos == mb_strlen($child->name)
|| $sepPos == 0
|| ($prefixPos !== false && $sepPos >= $prefixPos)
) {
continue;
}
$prefixPos = $sepPos;
}
if ($prefixPos !== false) {
$prefix = mb_substr($child->name, 0, $prefixPos);
if (! isset($prefixes[$prefix])) {
$prefixes[$prefix] = 1;
} else {
$prefixes[$prefix]++;
}
}
//Bug #4375: Check if prefix is the name of a DB, to create a group.
foreach ($node->children as $otherChild) {
if (! array_key_exists($otherChild->name, $prefixes)) {
continue;
}
$prefixes[$otherChild->name]++;
}
}
//Check if prefix is the name of a DB, to create a group.
foreach ($node->children as $child) {
if (! array_key_exists($child->name, $prefixes)) {
continue;
}
$prefixes[$child->name]++;
}
}
// It is not a group if it has only one item
foreach ($prefixes as $key => $value) {
if ($value > 1) {
continue;
}
unset($prefixes[$key]);
}
$numChildren = count($node->children);
// rfe #1634 Don't group if there's only one group and no other items
if (count($prefixes) === 1) {
$keys = array_keys($prefixes);
$key = $keys[0];
if ($prefixes[$key] == $numChildren - 1) {
unset($prefixes[$key]);
}
}
if (! count($prefixes)) {
return;
}
/** @var Node[] $groups */
$groups = [];
foreach ($prefixes as $key => $value) {
// warn about large groups
if ($value > 500 && ! $this->largeGroupWarning) {
trigger_error(
__(
'There are large item groups in navigation panel which '
. 'may affect the performance. Consider disabling item '
. 'grouping in the navigation panel.'
),
E_USER_WARNING
);
$this->largeGroupWarning = true;
}
$newChildren = [];
foreach ($separators as $separator) {
$separatorLength = strlen($separator);
// FIXME: this could be more efficient
foreach ($node->children as $child) {
$keySeparatorLength = mb_strlen((string) $key) + $separatorLength;
$nameSubstring = mb_substr((string) $child->name, 0, $keySeparatorLength);
if (($nameSubstring != $key . $separator && $child->name != $key) || $child->type != Node::OBJECT) {
continue;
}
$class = get_class($child);
$className = substr($class, strrpos($class, '\\') + 1);
unset($class);
/** @var NodeDatabase $newChild */
$newChild = NodeFactory::getInstance(
$className,
mb_substr(
$child->name,
$keySeparatorLength
)
);
if ($child instanceof NodeDatabase && $child->getHiddenCount() > 0) {
$newChild->setHiddenCount($child->getHiddenCount());
}
$newChild->realName = $child->realName;
$newChild->icon = $child->icon;
$newChild->links = $child->links;
$newChild->pos2 = $child->pos2;
$newChild->pos3 = $child->pos3;
foreach ($child->children as $elm) {
$newChild->addChild($elm);
}
$newChildren[] = [
'node' => $newChild,
'replaces_name' => $child->name,
];
}
}
if (count($newChildren) === 0) {
continue;
}
// If the current node is a standard group (not NodeTableContainer, etc.)
// and the new group contains all of the current node's children, combine them
$class = get_class($node);
if (count($newChildren) === $numChildren && substr($class, strrpos($class, '\\') + 1) === 'Node') {
$node->name .= $separators[0] . htmlspecialchars((string) $key);
$node->realName .= $separators[0] . htmlspecialchars((string) $key);
$node->separatorDepth--;
foreach ($newChildren as $newChild) {
$node->removeChild($newChild['replaces_name']);
$node->addChild($newChild['node']);
}
} else {
$groups[$key] = new Node(
htmlspecialchars((string) $key),
Node::CONTAINER,
true
);
$groups[$key]->separator = $node->separator;
$groups[$key]->separatorDepth = $node->separatorDepth - 1;
$groups[$key]->icon = ['image' => 'b_group', 'title' => __('Groups')];
$groups[$key]->pos2 = $node->pos2;
$groups[$key]->pos3 = $node->pos3;
if ($node instanceof NodeTableContainer || $node instanceof NodeViewContainer) {
$groups[$key]->links = [
'text' => [
'route' => $node->links['text']['route'],
'params' => array_merge($node->links['text']['params'], ['tbl_group' => $key]),
],
'icon' => [
'route' => $node->links['icon']['route'],
'params' => array_merge($node->links['icon']['params'], ['tbl_group' => $key]),
],
];
}
foreach ($newChildren as $newChild) {
$node->removeChild($newChild['replaces_name']);
$groups[$key]->addChild($newChild['node']);
}
}
}
foreach ($groups as $group) {
if (count($group->children) === 0) {
continue;
}
$node->addChild($group);
$this->groupNode($group);
$group->classes = 'navGroup';
}
}
/**
* Renders a state of the tree, used in light mode when
* either JavaScript and/or Ajax are disabled
*
* @return string HTML code for the navigation tree
*/
public function renderState(): string
{
$this->buildPath();
$quickWarp = $this->quickWarp();
$fastFilter = $this->fastFilterHtml($this->tree);
$controls = '';
if ($GLOBALS['cfg']['NavigationTreeEnableExpansion']) {
$controls = $this->controls();
}
$pageSelector = $this->getPageSelector($this->tree);
$this->groupTree();
$children = $this->tree->children;
usort($children, [
self::class,
'sortNode',
]);
$this->setVisibility();
$nodes = $this->renderNodes($children);
return $this->template->render('navigation/tree/state', [
'quick_warp' => $quickWarp,
'fast_filter' => $fastFilter,
'controls' => $controls,
'page_selector' => $pageSelector,
'nodes' => $nodes,
]);
}
/**
* Renders a part of the tree, used for Ajax requests in light mode
*
* @return string|false HTML code for the navigation tree
*/
public function renderPath()
{
$node = $this->buildPath();
if (! is_bool($node)) {
$this->groupTree();
$listContent = $this->fastFilterHtml($node);
$listContent .= $this->getPageSelector($node);
$children = $node->children;
usort($children, [
self::class,
'sortNode',
]);
$listContent .= $this->renderNodes($children, false);
if (! $GLOBALS['cfg']['ShowDatabasesNavigationAsTree']) {
$parents = $node->parents(true);
$parentName = $parents[0]->realName;
}
}
$hasSearchClause = ! empty($this->searchClause) || ! empty($this->searchClause2);
if ($hasSearchClause && ! is_bool($node)) {
$results = 0;
if (! empty($this->searchClause2)) {
if (is_object($node->realParent())) {
$results = $node->realParent()
->getPresence($node->realName, $this->searchClause2);
}
} else {
$results = $this->tree->getPresence('databases', $this->searchClause);
}
$results = sprintf(
_ngettext(
'%s result found',
'%s results found',
$results
),
$results
);
ResponseRenderer::getInstance()
->addJSON('results', $results);
}
if ($node !== false) {
return $this->template->render('navigation/tree/path', [
'has_search_results' => ! empty($this->searchClause) || ! empty($this->searchClause2),
'list_content' => $listContent ?? '',
'is_tree' => $GLOBALS['cfg']['ShowDatabasesNavigationAsTree'],
'parent_name' => $parentName ?? '',
]);
}
return false;
}
/**
* Renders the parameters that are required on the client
* side to know which page(s) we will be requesting data from
*
* @param Node $node The node to create the pagination parameters for
*
* @return array<string, string>
*/
private function getPaginationParamsHtml(Node $node): array
{
$renderDetails = [];
$paths = $node->getPaths();
if (isset($paths['aPath_clean'][2])) {
$renderDetails['position'] = 'pos2_nav';
$renderDetails['data_name'] = (string) $paths['aPath_clean'][2];
$renderDetails['data_value'] = (string) $node->pos2;
}
if (isset($paths['aPath_clean'][4])) {
$renderDetails['position'] = 'pos3_nav';
$renderDetails['data_name'] = (string) $paths['aPath_clean'][4];
$renderDetails['data_value'] = (string) $node->pos3;
}
return $renderDetails;
}
/**
* Finds whether given tree matches this tree.
*
* @param array $tree Tree to check
* @param array $paths Paths to check
*/
private function findTreeMatch(array $tree, array $paths): bool
{
$match = false;
foreach ($tree as $path) {
$match = true;
foreach ($paths as $key => $part) {
if (! isset($path[$key]) || $part != $path[$key]) {
$match = false;
break;
}
}
if ($match) {
break;
}
}
return $match;
}
/**
* @param Node[] $children
*/
private function renderNodes(array $children, bool $hasFirstClass = true): string
{
$nodes = '';
for ($i = 0, $nbChildren = count($children); $i < $nbChildren; $i++) {
if ($i === 0) {
$nodes .= $this->renderNode($children[0], $hasFirstClass ? 'first' : '');
} elseif ($i + 1 !== $nbChildren) {
$nodes .= $this->renderNode($children[$i]);
} else {
$nodes .= $this->renderNode($children[$i], 'last');
}
}
return $nodes;
}
/**
* Renders a single node or a branch of the tree
*
* @param Node $node The node to render
* @param string $class An additional class for the list item
*
* @return string HTML code for the tree node or branch
*/
private function renderNode(Node $node, string $class = ''): string
{
$controlButtons = '';
$paths = $node->getPaths();
$nodeIsContainer = $node->type === Node::CONTAINER;
$liClasses = '';
// Whether to show the node in the tree (true for all nodes but root)
// If false, the node's children will still be shown, but as children of the node's parent
$showNode = $node->hasSiblings() || count($node->parents(false, true)) > 0;
// Don't show the 'Tables' node under each database unless it has 'Views', etc. as a sibling
if ($node instanceof NodeTableContainer && ! $node->hasSiblings()) {
$showNode = false;
}
if ($showNode) {
$response = ResponseRenderer::getInstance();
if ($nodeIsContainer && count($node->children) === 0 && ! $response->isAjax()) {
return '';
}
$liClasses = trim($class . ' ' . $node->classes);
$sterile = ['events', 'triggers', 'functions', 'procedures', 'views', 'columns', 'indexes'];
$parentName = '';
$parents = $node->parents(false, true);
if (count($parents)) {
$parentName = $parents[0]->realName;
}
// if node name itself is in sterile, then allow
$nodeIsGroup = $node->isGroup
|| (! in_array($parentName, $sterile) && ! $node->isNew)
|| (in_array($node->realName, $sterile) && ! empty($node->children));
if ($nodeIsGroup) {
$match = $this->findTreeMatch($this->vPath, $paths['vPath_clean']);
$linkClasses = $node->getCssClasses($match);
if ($GLOBALS['cfg']['ShowDatabasesNavigationAsTree'] || $parentName !== 'root') {
$nodeIcon = $node->getIcon($match);
}
}
$paginationParams = $this->getPaginationParamsHtml($node);
$haveAjax = [
'functions',
'procedures',
'events',
'triggers',
'indexes',
];
$parent = $node->parents(false, true);
$isNewView = $parent[0]->realName === 'views' && $node->isNew === true;
$linkHasAjaxClass = $parent[0]->type == Node::CONTAINER
&& (in_array($parent[0]->realName, $haveAjax) || $isNewView);
if (! $node->isGroup) {
$args = [];
$parents = $node->parents(true);
foreach ($parents as $parent) {
if (! isset($parent->urlParamName)) {
continue;
}
$args[$parent->urlParamName] = $parent->realName;
}
$iconLinks = [];
$iconLinks[] = [
'route' => $node->links['icon']['route'],
'params' => array_merge(
$node->links['icon']['params'],
array_intersect_key($args, $node->links['icon']['params'])
),
'is_ajax' => $linkHasAjaxClass,
'image' => $node->icon['image'],
'title' => $node->icon['title'],
];
if (isset($node->links['second_icon'], $node->secondIcon)) {
$iconLinks[] = [
'route' => $node->links['second_icon']['route'],
'params' => array_merge(
$node->links['second_icon']['params'],
array_intersect_key($args, $node->links['second_icon']['params'])
),
'is_ajax' => $linkHasAjaxClass,
'image' => $node->secondIcon['image'],
'title' => $node->secondIcon['title'],
];
}
$textLink = [
'route' => $node->links['text']['route'],
'params' => array_merge(
$node->links['text']['params'],
array_intersect_key($args, $node->links['text']['params'])
),
'is_ajax' => $linkHasAjaxClass,
'title' => $node->links['title'] ?? $node->title ?? '',
];
}
$controlButtons .= $node->getHtmlForControlButtons();
$wrap = true;
} else {
$node->visible = true;
$wrap = false;
$paginationParams = $this->getPaginationParamsHtml($node);
}
$children = $node->children;
usort($children, [self::class, 'sortNode']);
$buffer = '';
$extraClass = '';
for ($i = 0, $nbChildren = count($children); $i < $nbChildren; $i++) {
if ($i + 1 == $nbChildren) {
$extraClass = ' last';
}
$buffer .= $this->renderNode($children[$i], $children[$i]->classes . $extraClass);
}
if (! empty($buffer)) {
$recursiveHtml = $this->fastFilterHtml($node);
$recursiveHtml .= $this->getPageSelector($node);
$recursiveHtml .= $buffer;
}
return $this->template->render('navigation/tree/node', [
'node' => $node,
'class' => $class,
'show_node' => $showNode,
'has_siblings' => $node->hasSiblings(),
'li_classes' => $liClasses,
'control_buttons' => $controlButtons,
'node_is_container' => $nodeIsContainer,
'has_second_icon' => isset($node->secondIcon),
'recursive' => ['html' => $recursiveHtml ?? '', 'has_wrapper' => $wrap, 'is_hidden' => ! $node->visible],
'icon_links' => $iconLinks ?? [],
'text_link' => $textLink ?? [],
'pagination_params' => $paginationParams,
'node_is_group' => $nodeIsGroup ?? false,
'link_classes' => $linkClasses ?? '',
'paths' => ['a_path' => $paths['aPath'] ?? '', 'v_path' => $paths['vPath'] ?? '', 'pos' => $this->pos],
'node_icon' => $nodeIcon ?? '',
]);
}
/**
* Renders a database select box like the pre-4.0 navigation panel
*
* @return string HTML code
*/
public function renderDbSelect(): string
{
$this->buildPath();
$quickWarp = $this->quickWarp();
$this->tree->isGroup = false;
// Provide for pagination in database select
$listNavigator = Generator::getListNavigator(
$this->tree->getPresence('databases', ''),
$this->pos,
['server' => $GLOBALS['server']],
Url::getFromRoute('/navigation'),
'frame_navigation',
$GLOBALS['cfg']['FirstLevelNavigationItems'],
'pos',
['dbselector']
);
$children = $this->tree->children;
$selected = $GLOBALS['db'];
$options = [];
foreach ($children as $node) {
if ($node->isNew) {
continue;
}
$paths = $node->getPaths();
if (! isset($node->links['text'])) {
continue;
}
$title = $node->links['title'] ?? '';
$options[] = [
'title' => $title,
'name' => $node->realName,
'data' => [
'apath' => $paths['aPath'],
'vpath' => $paths['vPath'],
'pos' => $this->pos,
],
'isSelected' => $node->realName === $selected,
];
}
$children = $this->tree->children;
usort($children, [
self::class,
'sortNode',
]);
$this->setVisibility();
$nodes = $this->renderNodes($children);
$databaseUrl = Util::getScriptNameForOption($GLOBALS['cfg']['DefaultTabDatabase'], 'database');
return $this->template->render('navigation/tree/database_select', [
'quick_warp' => $quickWarp,
'list_navigator' => $listNavigator,
'server' => $GLOBALS['server'],
'options' => $options,
'nodes' => $nodes,
'database_url' => $databaseUrl,
]);
}
/**
* Makes some nodes visible based on the which node is active
*/
private function setVisibility(): void
{
foreach ($this->vPath as $path) {
$node = $this->tree;
foreach ($path as $value) {
$child = $node->getChild($value);
if ($child === null) {
continue;
}
$child->visible = true;
$node = $child;
}
}
}
/**
* Generates the HTML code for displaying the fast filter for tables
*
* @param Node $node The node for which to generate the fast filter html
*
* @return string LI element used for the fast filter
*/
private function fastFilterHtml(Node $node): string
{
$filterDbMin = (int) $GLOBALS['cfg']['NavigationTreeDisplayDbFilterMinimum'];
$filterItemMin = (int) $GLOBALS['cfg']['NavigationTreeDisplayItemFilterMinimum'];
$urlParams = [];
$isRootNode = $node === $this->tree && $this->tree->getPresence() >= $filterDbMin;
if ($isRootNode) {
$urlParams = ['pos' => 0];
} else {
$nodeIsContainer = $node->type === Node::CONTAINER;
$nodeIsSpecial = in_array($node->realName, self::SPECIAL_NODE_NAMES, true);
$realParent = $node->realParent();
if (
$nodeIsContainer && $nodeIsSpecial
&& $realParent instanceof Node
&& $realParent->getPresence($node->realName) >= $filterItemMin
) {
$paths = $node->getPaths();
$urlParams = [
'pos' => $this->pos,
'aPath' => $paths['aPath'],
'vPath' => $paths['vPath'],
'pos2_name' => $node->realName,
'pos2_value' => 0,
];
}
}
return $this->template->render('navigation/tree/fast_filter', [
'url_params' => $urlParams,
'is_root_node' => $isRootNode,
]);
}
/**
* Creates the code for displaying the controls
* at the top of the navigation tree
*
* @return string HTML code for the controls
*/
private function controls(): string
{
// always iconic
$showIcon = true;
$showText = false;
$collapseAll = Generator::getNavigationLink(
'#',
$showText,
__('Collapse all'),
$showIcon,
's_collapseall',
'pma_navigation_collapse'
);
$syncImage = 's_unlink';
$title = __('Link with main panel');
if ($GLOBALS['cfg']['NavigationLinkWithMainPanel']) {
$syncImage = 's_link';
$title = __('Unlink from main panel');
}
$unlink = Generator::getNavigationLink('#', $showText, $title, $showIcon, $syncImage, 'pma_navigation_sync');
return $this->template->render('navigation/tree/controls', [
'collapse_all' => $collapseAll,
'unlink' => $unlink,
]);
}
/**
* Generates the HTML code for displaying the list pagination
*
* @param Node $node The node for whose children the page
* selector will be created
*/
private function getPageSelector(Node $node): string
{
$retval = '';
if ($node === $this->tree) {
$retval .= Generator::getListNavigator(
$this->tree->getPresence('databases', $this->searchClause),
$this->pos,
['server' => $GLOBALS['server']],
Url::getFromRoute('/navigation'),
'frame_navigation',
$GLOBALS['cfg']['FirstLevelNavigationItems'],
'pos',
['dbselector']
);
} else {
if ($node->type == Node::CONTAINER && ! $node->isGroup) {
$paths = $node->getPaths();
$level = isset($paths['aPath_clean'][4]) ? 3 : 2;
$urlParams = [
'aPath' => $paths['aPath'],
'vPath' => $paths['vPath'],
'pos' => $this->pos,
'server' => $GLOBALS['server'],
'pos2_name' => $paths['aPath_clean'][2],
];
if ($level == 3) {
$pos = $node->pos3;
$urlParams['pos2_value'] = $node->pos2;
$urlParams['pos3_name'] = $paths['aPath_clean'][4];
} else {
$pos = $node->pos2;
}
/** @var Node $realParent */
$realParent = $node->realParent();
$num = $realParent->getPresence($node->realName, $this->searchClause2);
$retval .= Generator::getListNavigator(
$num,
$pos,
$urlParams,
Url::getFromRoute('/navigation'),
'frame_navigation',
$GLOBALS['cfg']['MaxNavigationItems'],
'pos' . $level . '_value'
);
}
}
return $retval;
}
/**
* Called by usort() for sorting the nodes in a container
*
* @param Node $a The first element used in the comparison
* @param Node $b The second element used in the comparison
*
* @return int See strnatcmp() and strcmp()
*/
public static function sortNode(Node $a, Node $b): int
{
if ($a->isNew) {
return -1;
}
if ($b->isNew) {
return 1;
}
if ($GLOBALS['cfg']['NaturalOrder']) {
return strnatcasecmp($a->name, $b->name);
}
return strcasecmp($a->name, $b->name);
}
/**
* Display quick warp links, contain Recents and Favorites
*
* @return string HTML code
*/
private function quickWarp(): string
{
$renderDetails = [];
if ($GLOBALS['cfg']['NumRecentTables'] > 0) {
$renderDetails['recent'] = RecentFavoriteTable::getInstance('recent')->getHtml();
}
if ($GLOBALS['cfg']['NumFavoriteTables'] > 0) {
$renderDetails['favorite'] = RecentFavoriteTable::getInstance('favorite')->getHtml();
}
return $this->template->render('navigation/tree/quick_warp', $renderDetails);
}
}