Библиотека для cis, online, cms1

core/tabletree.php

@@ -0,0 +1,69 @@
+<?php
+
+/**
+ * Ïðåîáðàçîâàíèå äåðåâà èç ìîäåëè Plain â ìàññèâ ìàññèâîâ (Adjacency List)
+ */
+
+require_once 'core/functions.php';
+
+define (SORT_DESC, 0); // descending
+define (SORT_ASC, 1); // ascending
+
+/**
+ * Âûáèðàåò âñå ñðîêè èç òàáëèöû ñ óíèêàëüíûìè çíà÷åíèÿìè êëþ÷à
+ * @param $name Èìÿ êëþ÷à
+ * @param $table Äâóõìåðíûé ìàññèâ
+ * @example
+ * key_unique_values ('name', array (array ('name' => 1), array ('name' => 2), array ('name' => 1)))
+        =>  array (1, 2)
+ * @end example
+ */
+function key_unique_values ($name, $table) {
+    // Èùåì óíèêàëüíûå çíà÷åíèÿ äëÿ çàäàííîãî êëþ÷à   
+    $keys = array ();
+    foreach ($table as $row) {
+        if (!in_array ($row[$name], $keys))
+            $keys[] = $row[$name];
+    }
+    return $keys;
+}
+
+/**
+ * Ñîðòèðîâêà äâóìåðíîãî ìàññèâà ïî çàäàííîìó êëþ÷ó
+ * @param $array Ìàññèâ
+ * @param $key Èìÿ êëþ÷à ïî çíà÷åíèþ êîòîðîãî áóäåò èäòè ñðàâíåíèå
+ * @return Îòñîðòèðîâàííûé ìàññèâ
+ */
+function sortOn($array, $key, $fn = '__cmp') {
+    usort ($array, rcurry($fn, $key));
+    //usort ($array, create_function ('$x,$y', 'return __cmp ($x, $y, "'.$key.'");'));
+    return $array;
+}
+
+
+/**
+ * Îáõîäèò òàáëèöó êàê äåðåâî
+ * @param $level Array Óðîâíè âëîæåííîñòè 
+ * @param $table Òàáëèöà
+ * @param $fn Ôóíêöèÿ êîòîðàÿ ïðèìåíÿåòñÿ ê êàæäîé âåòêå äåðåâà   
+ *       $fn ($name, $index, $rows, $cc)
+ *           @param $name  Êëþ÷ óðîâíÿ
+ *           @param $index Çíà÷åíèå êëþ÷à óðîâíÿ
+ *           @param $rows  Âñå ñòîëáöû òåêóùãî óðîâíÿ
+ *           @parma $cc    Ñòîëáöû áîëåå íèçêîãî óðîâíÿ                
+ */
+function tableTreeWalk($level, $table, $fn) {
+    if (empty ($level)) return $table;
+    $name = array_shift ($level);
+
+    $keys = key_unique_values($name, $table);
+    $data = array ();
+    foreach ($keys as $index) {
+        list($rows, $table) = partition (lcurry('__index', $index, $name), $table);
+//        $rows = array_filter ($table, lcurry('__index', intval($index), $name));
+        //$rows = array_filter ($table, create_function ('$x', 'return __index ('.intval($index).', \''.$name.'\', $x);'));
+        $data[$index] = call_user_func ($fn, $name, $index, $rows, tableTreeWalk ($level, $rows, $fn));
+    }
+    return $data;
+}
+