|
1
|
<?php
|
|
2
|
class _tree_struct {
|
|
3
|
// Structure table and fields
|
|
4
|
protected $table = "";
|
|
5
|
protected $fields = array(
|
|
6
|
"id" => false,
|
|
7
|
"parent_id" => false,
|
|
8
|
"position" => false,
|
|
9
|
"left" => false,
|
|
10
|
"right" => false,
|
|
11
|
"level" => false
|
|
12
|
);
|
|
13
|
|
|
14
|
// Constructor
|
|
15
|
function __construct($table = "tree", $fields = array()) {
|
|
16
|
$this->table = $table;
|
|
17
|
if(!count($fields)) {
|
|
18
|
foreach($this->fields as $k => &$v) { $v = $k; }
|
|
19
|
}
|
|
20
|
else {
|
|
21
|
foreach($fields as $key => $field) {
|
|
22
|
switch($key) {
|
|
23
|
case "id":
|
|
24
|
case "parent_id":
|
|
25
|
case "position":
|
|
26
|
case "left":
|
|
27
|
case "right":
|
|
28
|
case "level":
|
|
29
|
$this->fields[$key] = $field;
|
|
30
|
break;
|
|
31
|
}
|
|
32
|
}
|
|
33
|
}
|
|
34
|
// Database
|
|
35
|
$this->db = new _database;
|
|
36
|
}
|
|
37
|
|
|
38
|
function _get_node($id) {
|
|
39
|
$this->db->query("SELECT `".implode("` , `", $this->fields)."` FROM `".$this->table."` WHERE `".$this->fields["id"]."` = ".(int) $id);
|
|
40
|
$this->db->nextr();
|
|
41
|
return $this->db->nf() === 0 ? false : $this->db->get_row("assoc");
|
|
42
|
}
|
|
43
|
function _get_children($id, $recursive = false) {
|
|
44
|
$children = array();
|
|
45
|
if($recursive) {
|
|
46
|
$node = $this->_get_node($id);
|
|
47
|
$this->db->query("SELECT `".implode("` , `", $this->fields)."` FROM `".$this->table."` WHERE `".$this->fields["left"]."` >= ".(int) $node[$this->fields["left"]]." AND `".$this->fields["right"]."` <= ".(int) $node[$this->fields["right"]]." ORDER BY `".$this->fields["left"]."` ASC");
|
|
48
|
}
|
|
49
|
else {
|
|
50
|
$this->db->query("SELECT `".implode("` , `", $this->fields)."` FROM `".$this->table."` WHERE `".$this->fields["parent_id"]."` = ".(int) $id." ORDER BY `".$this->fields["position"]."` ASC");
|
|
51
|
}
|
|
52
|
while($this->db->nextr()) $children[$this->db->f($this->fields["id"])] = $this->db->get_row("assoc");
|
|
53
|
return $children;
|
|
54
|
}
|
|
55
|
function _get_path($id) {
|
|
56
|
$node = $this->_get_node($id);
|
|
57
|
$path = array();
|
|
58
|
if(!$node === false) return false;
|
|
59
|
$this->db->query("SELECT `".implode("` , `", $this->fields)."` FROM `".$this->table."` WHERE `".$this->fields["left"]."` <= ".(int) $node[$this->fields["left"]]." AND `".$this->fields["right"]."` >= ".(int) $node[$this->fields["right"]]);
|
|
60
|
while($this->db->nextr()) $path[$this->db->f($this->fields["id"])] = $this->db->get_row("assoc");
|
|
61
|
return $path;
|
|
62
|
}
|
|
63
|
|
|
64
|
function _create($parent, $position) {
|
|
65
|
return $this->_move(0, $parent, $position);
|
|
66
|
}
|
|
67
|
function _remove($id) {
|
|
68
|
if((int)$id === 1) { return false; }
|
|
69
|
$data = $this->_get_node($id);
|
|
70
|
$lft = (int)$data[$this->fields["left"]];
|
|
71
|
$rgt = (int)$data[$this->fields["right"]];
|
|
72
|
$dif = $rgt - $lft + 1;
|
|
73
|
|
|
74
|
// deleting node and its children
|
|
75
|
$this->db->query("" .
|
|
76
|
"DELETE FROM `".$this->table."` " .
|
|
77
|
"WHERE `".$this->fields["left"]."` >= ".$lft." AND `".$this->fields["right"]."` <= ".$rgt
|
|
78
|
);
|
|
79
|
// shift left indexes of nodes right of the node
|
|
80
|
$this->db->query("".
|
|
81
|
"UPDATE `".$this->table."` " .
|
|
82
|
"SET `".$this->fields["left"]."` = `".$this->fields["left"]."` - ".$dif." " .
|
|
83
|
"WHERE `".$this->fields["left"]."` > ".$rgt
|
|
84
|
);
|
|
85
|
// shift right indexes of nodes right of the node and the node's parents
|
|
86
|
$this->db->query("" .
|
|
87
|
"UPDATE `".$this->table."` " .
|
|
88
|
"SET `".$this->fields["right"]."` = `".$this->fields["right"]."` - ".$dif." " .
|
|
89
|
"WHERE `".$this->fields["right"]."` > ".$lft
|
|
90
|
);
|
|
91
|
|
|
92
|
$pid = (int)$data[$this->fields["parent_id"]];
|
|
93
|
$pos = (int)$data[$this->fields["position"]];
|
|
94
|
|
|
95
|
// Update position of siblings below the deleted node
|
|
96
|
$this->db->query("" .
|
|
97
|
"UPDATE `".$this->table."` " .
|
|
98
|
"SET `".$this->fields["position"]."` = `".$this->fields["position"]."` - 1 " .
|
|
99
|
"WHERE `".$this->fields["parent_id"]."` = ".$pid." AND `".$this->fields["position"]."` > ".$pos
|
|
100
|
);
|
|
101
|
return true;
|
|
102
|
}
|
|
103
|
function _move($id, $ref_id, $position = 0, $is_copy = false) {
|
|
104
|
if((int)$ref_id === 0 || (int)$id === 1) { return false; }
|
|
105
|
$sql = array(); // Queries executed at the end
|
|
106
|
$node = $this->_get_node($id); // Node data
|
|
107
|
$nchildren = $this->_get_children($id); // Node children
|
|
108
|
$ref_node = $this->_get_node($ref_id); // Ref node data
|
|
109
|
$rchildren = $this->_get_children($ref_id);// Ref node children
|
|
110
|
|
|
111
|
$ndif = 2;
|
|
112
|
$node_ids = array(-1);
|
|
113
|
if($node !== false) {
|
|
114
|
$node_ids = array_keys($this->_get_children($id, true));
|
|
115
|
// TODO: should be !$is_copy && , but if copied to self - screws some right indexes
|
|
116
|
if(in_array($ref_id, $node_ids)) return false;
|
|
117
|
$ndif = $node[$this->fields["right"]] - $node[$this->fields["left"]] + 1;
|
|
118
|
}
|
|
119
|
if($position >= count($rchildren)) {
|
|
120
|
$position = count($rchildren);
|
|
121
|
}
|
|
122
|
|
|
123
|
// Not creating or copying - old parent is cleaned
|
|
124
|
if($node !== false && $is_copy == false) {
|
|
125
|
$sql[] = "" .
|
|
126
|
"UPDATE `".$this->table."` " .
|
|
127
|
"SET `".$this->fields["position"]."` = `".$this->fields["position"]."` - 1 " .
|
|
128
|
"WHERE " .
|
|
129
|
"`".$this->fields["parent_id"]."` = ".$node[$this->fields["parent_id"]]." AND " .
|
|
130
|
"`".$this->fields["position"]."` > ".$node[$this->fields["position"]];
|
|
131
|
$sql[] = "" .
|
|
132
|
"UPDATE `".$this->table."` " .
|
|
133
|
"SET `".$this->fields["left"]."` = `".$this->fields["left"]."` - ".$ndif." " .
|
|
134
|
"WHERE `".$this->fields["left"]."` > ".$node[$this->fields["right"]];
|
|
135
|
$sql[] = "" .
|
|
136
|
"UPDATE `".$this->table."` " .
|
|
137
|
"SET `".$this->fields["right"]."` = `".$this->fields["right"]."` - ".$ndif." " .
|
|
138
|
"WHERE " .
|
|
139
|
"`".$this->fields["right"]."` > ".$node[$this->fields["left"]]." AND " .
|
|
140
|
"`".$this->fields["id"]."` NOT IN (".implode(",", $node_ids).") ";
|
|
141
|
}
|
|
142
|
// Preparing new parent
|
|
143
|
$sql[] = "" .
|
|
144
|
"UPDATE `".$this->table."` " .
|
|
145
|
"SET `".$this->fields["position"]."` = `".$this->fields["position"]."` + 1 " .
|
|
146
|
"WHERE " .
|
|
147
|
"`".$this->fields["parent_id"]."` = ".$ref_id." AND " .
|
|
148
|
"`".$this->fields["position"]."` >= ".$position." " .
|
|
149
|
( $is_copy ? "" : " AND `".$this->fields["id"]."` NOT IN (".implode(",", $node_ids).") ");
|
|
150
|
|
|
151
|
$ref_ind = $ref_id === 0 ? (int)$rchildren[count($rchildren) - 1][$this->fields["right"]] + 1 : (int)$ref_node[$this->fields["right"]];
|
|
152
|
$ref_ind = max($ref_ind, 1);
|
|
153
|
|
|
154
|
$self = ($node !== false && !$is_copy && (int)$node[$this->fields["parent_id"]] == $ref_id && $position > $node[$this->fields["position"]]) ? 1 : 0;
|
|
155
|
foreach($rchildren as $k => $v) {
|
|
156
|
if($v[$this->fields["position"]] - $self == $position) {
|
|
157
|
$ref_ind = (int)$v[$this->fields["left"]];
|
|
158
|
break;
|
|
159
|
}
|
|
160
|
}
|
|
161
|
if($node !== false && !$is_copy && $node[$this->fields["left"]] < $ref_ind) {
|
|
162
|
$ref_ind -= $ndif;
|
|
163
|
}
|
|
164
|
|
|
165
|
$sql[] = "" .
|
|
166
|
"UPDATE `".$this->table."` " .
|
|
167
|
"SET `".$this->fields["left"]."` = `".$this->fields["left"]."` + ".$ndif." " .
|
|
168
|
"WHERE " .
|
|
169
|
"`".$this->fields["left"]."` >= ".$ref_ind." " .
|
|
170
|
( $is_copy ? "" : " AND `".$this->fields["id"]."` NOT IN (".implode(",", $node_ids).") ");
|
|
171
|
$sql[] = "" .
|
|
172
|
"UPDATE `".$this->table."` " .
|
|
173
|
"SET `".$this->fields["right"]."` = `".$this->fields["right"]."` + ".$ndif." " .
|
|
174
|
"WHERE " .
|
|
175
|
"`".$this->fields["right"]."` >= ".$ref_ind." " .
|
|
176
|
( $is_copy ? "" : " AND `".$this->fields["id"]."` NOT IN (".implode(",", $node_ids).") ");
|
|
177
|
|
|
178
|
$ldif = $ref_id == 0 ? 0 : $ref_node[$this->fields["level"]] + 1;
|
|
179
|
$idif = $ref_ind;
|
|
180
|
if($node !== false) {
|
|
181
|
$ldif = $node[$this->fields["level"]] - ($ref_node[$this->fields["level"]] + 1);
|
|
182
|
$idif = $node[$this->fields["left"]] - $ref_ind;
|
|
183
|
if($is_copy) {
|
|
184
|
$sql[] = "" .
|
|
185
|
"INSERT INTO `".$this->table."` (" .
|
|
186
|
"`".$this->fields["parent_id"]."`, " .
|
|
187
|
"`".$this->fields["position"]."`, " .
|
|
188
|
"`".$this->fields["left"]."`, " .
|
|
189
|
"`".$this->fields["right"]."`, " .
|
|
190
|
"`".$this->fields["level"]."`" .
|
|
191
|
") " .
|
|
192
|
"SELECT " .
|
|
193
|
"".$ref_id.", " .
|
|
194
|
"`".$this->fields["position"]."`, " .
|
|
195
|
"`".$this->fields["left"]."` - (".($idif + ($node[$this->fields["left"]] >= $ref_ind ? $ndif : 0))."), " .
|
|
196
|
"`".$this->fields["right"]."` - (".($idif + ($node[$this->fields["left"]] >= $ref_ind ? $ndif : 0))."), " .
|
|
197
|
"`".$this->fields["level"]."` - (".$ldif.") " .
|
|
198
|
"FROM `".$this->table."` " .
|
|
199
|
"WHERE " .
|
|
200
|
"`".$this->fields["id"]."` IN (".implode(",", $node_ids).") " .
|
|
201
|
"ORDER BY `".$this->fields["level"]."` ASC";
|
|
202
|
}
|
|
203
|
else {
|
|
204
|
$sql[] = "" .
|
|
205
|
"UPDATE `".$this->table."` SET " .
|
|
206
|
"`".$this->fields["parent_id"]."` = ".$ref_id.", " .
|
|
207
|
"`".$this->fields["position"]."` = ".$position." " .
|
|
208
|
"WHERE " .
|
|
209
|
"`".$this->fields["id"]."` = ".$id;
|
|
210
|
$sql[] = "" .
|
|
211
|
"UPDATE `".$this->table."` SET " .
|
|
212
|
"`".$this->fields["left"]."` = `".$this->fields["left"]."` - (".$idif."), " .
|
|
213
|
"`".$this->fields["right"]."` = `".$this->fields["right"]."` - (".$idif."), " .
|
|
214
|
"`".$this->fields["level"]."` = `".$this->fields["level"]."` - (".$ldif.") " .
|
|
215
|
"WHERE " .
|
|
216
|
"`".$this->fields["id"]."` IN (".implode(",", $node_ids).") ";
|
|
217
|
}
|
|
218
|
}
|
|
219
|
else {
|
|
220
|
$sql[] = "" .
|
|
221
|
"INSERT INTO `".$this->table."` (" .
|
|
222
|
"`".$this->fields["parent_id"]."`, " .
|
|
223
|
"`".$this->fields["position"]."`, " .
|
|
224
|
"`".$this->fields["left"]."`, " .
|
|
225
|
"`".$this->fields["right"]."`, " .
|
|
226
|
"`".$this->fields["level"]."` " .
|
|
227
|
") " .
|
|
228
|
"VALUES (" .
|
|
229
|
$ref_id.", " .
|
|
230
|
$position.", " .
|
|
231
|
$idif.", " .
|
|
232
|
($idif + 1).", " .
|
|
233
|
$ldif.
|
|
234
|
")";
|
|
235
|
}
|
|
236
|
foreach($sql as $q) { $this->db->query($q); }
|
|
237
|
$ind = $this->db->insert_id();
|
|
238
|
if($is_copy) $this->_fix_copy($ind, $position);
|
|
239
|
return $node === false || $is_copy ? $ind : true;
|
|
240
|
}
|
|
241
|
function _fix_copy($id, $position) {
|
|
242
|
$node = $this->_get_node($id);
|
|
243
|
$children = $this->_get_children($id, true);
|
|
244
|
|
|
245
|
$map = array();
|
|
246
|
for($i = $node[$this->fields["left"]] + 1; $i < $node[$this->fields["right"]]; $i++) {
|
|
247
|
$map[$i] = $id;
|
|
248
|
}
|
|
249
|
foreach($children as $cid => $child) {
|
|
250
|
if((int)$cid == (int)$id) {
|
|
251
|
$this->db->query("UPDATE `".$this->table."` SET `".$this->fields["position"]."` = ".$position." WHERE `".$this->fields["id"]."` = ".$cid);
|
|
252
|
continue;
|
|
253
|
}
|
|
254
|
$this->db->query("UPDATE `".$this->table."` SET `".$this->fields["parent_id"]."` = ".$map[(int)$child[$this->fields["left"]]]." WHERE `".$this->fields["id"]."` = ".$cid);
|
|
255
|
for($i = $child[$this->fields["left"]] + 1; $i < $child[$this->fields["right"]]; $i++) {
|
|
256
|
$map[$i] = $cid;
|
|
257
|
}
|
|
258
|
}
|
|
259
|
}
|
|
260
|
|
|
261
|
function _reconstruct() {
|
|
262
|
$this->db->query("" .
|
|
263
|
"CREATE TEMPORARY TABLE `temp_tree` (" .
|
|
264
|
"`".$this->fields["id"]."` INTEGER NOT NULL, " .
|
|
265
|
"`".$this->fields["parent_id"]."` INTEGER NOT NULL, " .
|
|
266
|
"`". $this->fields["position"]."` INTEGER NOT NULL" .
|
|
267
|
") type=HEAP"
|
|
268
|
);
|
|
269
|
$this->db->query("" .
|
|
270
|
"INSERT INTO `temp_tree` " .
|
|
271
|
"SELECT " .
|
|
272
|
"`".$this->fields["id"]."`, " .
|
|
273
|
"`".$this->fields["parent_id"]."`, " .
|
|
274
|
"`".$this->fields["position"]."` " .
|
|
275
|
"FROM `".$this->table."`"
|
|
276
|
);
|
|
277
|
|
|
278
|
$this->db->query("" .
|
|
279
|
"CREATE TEMPORARY TABLE `temp_stack` (" .
|
|
280
|
"`".$this->fields["id"]."` INTEGER NOT NULL, " .
|
|
281
|
"`".$this->fields["left"]."` INTEGER, " .
|
|
282
|
"`".$this->fields["right"]."` INTEGER, " .
|
|
283
|
"`".$this->fields["level"]."` INTEGER, " .
|
|
284
|
"`stack_top` INTEGER NOT NULL, " .
|
|
285
|
"`".$this->fields["parent_id"]."` INTEGER, " .
|
|
286
|
"`".$this->fields["position"]."` INTEGER " .
|
|
287
|
") type=HEAP"
|
|
288
|
);
|
|
289
|
$counter = 2;
|
|
290
|
$this->db->query("SELECT COUNT(*) FROM temp_tree");
|
|
291
|
$this->db->nextr();
|
|
292
|
$maxcounter = (int) $this->db->f(0) * 2;
|
|
293
|
$currenttop = 1;
|
|
294
|
$this->db->query("" .
|
|
295
|
"INSERT INTO `temp_stack` " .
|
|
296
|
"SELECT " .
|
|
297
|
"`".$this->fields["id"]."`, " .
|
|
298
|
"1, " .
|
|
299
|
"NULL, " .
|
|
300
|
"0, " .
|
|
301
|
"1, " .
|
|
302
|
"`".$this->fields["parent_id"]."`, " .
|
|
303
|
"`".$this->fields["position"]."` " .
|
|
304
|
"FROM `temp_tree` " .
|
|
305
|
"WHERE `".$this->fields["parent_id"]."` = 0"
|
|
306
|
);
|
|
307
|
$this->db->query("DELETE FROM `temp_tree` WHERE `".$this->fields["parent_id"]."` = 0");
|
|
308
|
|
|
309
|
while ($counter <= $maxcounter) {
|
|
310
|
$this->db->query("" .
|
|
311
|
"SELECT " .
|
|
312
|
"`temp_tree`.`".$this->fields["id"]."` AS tempmin, " .
|
|
313
|
"`temp_tree`.`".$this->fields["parent_id"]."` AS pid, " .
|
|
314
|
"`temp_tree`.`".$this->fields["position"]."` AS lid " .
|
|
315
|
"FROM `temp_stack`, `temp_tree` " .
|
|
316
|
"WHERE " .
|
|
317
|
"`temp_stack`.`".$this->fields["id"]."` = `temp_tree`.`".$this->fields["parent_id"]."` AND " .
|
|
318
|
"`temp_stack`.`stack_top` = ".$currenttop." " .
|
|
319
|
"ORDER BY `temp_tree`.`".$this->fields["position"]."` ASC LIMIT 1"
|
|
320
|
);
|
|
321
|
|
|
322
|
if ($this->db->nextr()) {
|
|
323
|
$tmp = $this->db->f("tempmin");
|
|
324
|
|
|
325
|
$q = "INSERT INTO temp_stack (stack_top, `".$this->fields["id"]."`, `".$this->fields["left"]."`, `".$this->fields["right"]."`, `".$this->fields["level"]."`, `".$this->fields["parent_id"]."`, `".$this->fields["position"]."`) VALUES(".($currenttop + 1).", ".$tmp.", ".$counter.", NULL, ".$currenttop.", ".$this->db->f("pid").", ".$this->db->f("lid").")";
|
|
326
|
$this->db->query($q);
|
|
327
|
$this->db->query("DELETE FROM `temp_tree` WHERE `".$this->fields["id"]."` = ".$tmp);
|
|
328
|
$counter++;
|
|
329
|
$currenttop++;
|
|
330
|
}
|
|
331
|
else {
|
|
332
|
$this->db->query("" .
|
|
333
|
"UPDATE temp_stack SET " .
|
|
334
|
"`".$this->fields["right"]."` = ".$counter.", " .
|
|
335
|
"`stack_top` = -`stack_top` " .
|
|
336
|
"WHERE `stack_top` = ".$currenttop
|
|
337
|
);
|
|
338
|
$counter++;
|
|
339
|
$currenttop--;
|
|
340
|
}
|
|
341
|
}
|
|
342
|
|
|
343
|
$temp_fields = $this->fields;
|
|
344
|
unset($temp_fields["parent_id"]);
|
|
345
|
unset($temp_fields["position"]);
|
|
346
|
unset($temp_fields["left"]);
|
|
347
|
unset($temp_fields["right"]);
|
|
348
|
unset($temp_fields["level"]);
|
|
349
|
if(count($temp_fields) > 1) {
|
|
350
|
$this->db->query("" .
|
|
351
|
"CREATE TEMPORARY TABLE `temp_tree2` " .
|
|
352
|
"SELECT `".implode("`, `", $temp_fields)."` FROM `".$this->table."` "
|
|
353
|
);
|
|
354
|
}
|
|
355
|
$this->db->query("TRUNCATE TABLE `".$this->table."`");
|
|
356
|
$this->db->query("" .
|
|
357
|
"INSERT INTO ".$this->table." (" .
|
|
358
|
"`".$this->fields["id"]."`, " .
|
|
359
|
"`".$this->fields["parent_id"]."`, " .
|
|
360
|
"`".$this->fields["position"]."`, " .
|
|
361
|
"`".$this->fields["left"]."`, " .
|
|
362
|
"`".$this->fields["right"]."`, " .
|
|
363
|
"`".$this->fields["level"]."` " .
|
|
364
|
") " .
|
|
365
|
"SELECT " .
|
|
366
|
"`".$this->fields["id"]."`, " .
|
|
367
|
"`".$this->fields["parent_id"]."`, " .
|
|
368
|
"`".$this->fields["position"]."`, " .
|
|
369
|
"`".$this->fields["left"]."`, " .
|
|
370
|
"`".$this->fields["right"]."`, " .
|
|
371
|
"`".$this->fields["level"]."` " .
|
|
372
|
"FROM temp_stack " .
|
|
373
|
"ORDER BY `".$this->fields["id"]."`"
|
|
374
|
);
|
|
375
|
if(count($temp_fields) > 1) {
|
|
376
|
$sql = "" .
|
|
377
|
"UPDATE `".$this->table."` v, `temp_tree2` SET v.`".$this->fields["id"]."` = v.`".$this->fields["id"]."` ";
|
|
378
|
foreach($temp_fields as $k => $v) {
|
|
379
|
if($k == "id") continue;
|
|
380
|
$sql .= ", v.`".$v."` = `temp_tree2`.`".$v."` ";
|
|
381
|
}
|
|
382
|
$sql .= " WHERE v.`".$this->fields["id"]."` = `temp_tree2`.`".$this->fields["id"]."` ";
|
|
383
|
$this->db->query($sql);
|
|
384
|
}
|
|
385
|
}
|
|
386
|
|
|
387
|
function _analyze() {
|
|
388
|
$report = array();
|
|
389
|
|
|
390
|
$this->db->query("" .
|
|
391
|
"SELECT " .
|
|
392
|
"`".$this->fields["left"]."` FROM `".$this->table."` s " .
|
|
393
|
"WHERE " .
|
|
394
|
"`".$this->fields["parent_id"]."` = 0 "
|
|
395
|
);
|
|
396
|
$this->db->nextr();
|
|
397
|
if($this->db->nf() == 0) {
|
|
398
|
$report[] = "[FAIL]\tNo root node.";
|
|
399
|
}
|
|
400
|
else {
|
|
401
|
$report[] = ($this->db->nf() > 1) ? "[FAIL]\tMore than one root node." : "[OK]\tJust one root node.";
|
|
402
|
}
|
|
403
|
$report[] = ($this->db->f(0) != 1) ? "[FAIL]\tRoot node's left index is not 1." : "[OK]\tRoot node's left index is 1.";
|
|
404
|
|
|
405
|
$this->db->query("" .
|
|
406
|
"SELECT " .
|
|
407
|
"COUNT(*) FROM `".$this->table."` s " .
|
|
408
|
"WHERE " .
|
|
409
|
"`".$this->fields["parent_id"]."` != 0 AND " .
|
|
410
|
"(SELECT COUNT(*) FROM `".$this->table."` WHERE `".$this->fields["id"]."` = s.`".$this->fields["parent_id"]."`) = 0 ");
|
|
411
|
$this->db->nextr();
|
|
412
|
$report[] = ($this->db->f(0) > 0) ? "[FAIL]\tMissing parents." : "[OK]\tNo missing parents.";
|
|
413
|
|
|
414
|
$this->db->query("SELECT MAX(`".$this->fields["right"]."`) FROM `".$this->table."`");
|
|
415
|
$this->db->nextr();
|
|
416
|
$n = $this->db->f(0);
|
|
417
|
$this->db->query("SELECT COUNT(*) FROM `".$this->table."`");
|
|
418
|
$this->db->nextr();
|
|
419
|
$c = $this->db->f(0);
|
|
420
|
$report[] = ($n/2 != $c) ? "[FAIL]\tRight index does not match node count." : "[OK]\tRight index matches count.";
|
|
421
|
|
|
422
|
$this->db->query("" .
|
|
423
|
"SELECT COUNT(`".$this->fields["id"]."`) FROM `".$this->table."` s " .
|
|
424
|
"WHERE " .
|
|
425
|
"(SELECT COUNT(*) FROM `".$this->table."` WHERE " .
|
|
426
|
"`".$this->fields["right"]."` < s.`".$this->fields["right"]."` AND " .
|
|
427
|
"`".$this->fields["left"]."` > s.`".$this->fields["left"]."` AND " .
|
|
428
|
"`".$this->fields["level"]."` = s.`".$this->fields["level"]."` + 1" .
|
|
429
|
") != " .
|
|
430
|
"(SELECT COUNT(*) FROM `".$this->table."` WHERE " .
|
|
431
|
"`".$this->fields["parent_id"]."` = s.`".$this->fields["id"]."`" .
|
|
432
|
") "
|
|
433
|
);
|
|
434
|
$this->db->nextr();
|
|
435
|
$report[] = ($this->db->f(0) > 0) ? "[FAIL]\tAdjacency and nested set do not match." : "[OK]\tNS and AJ match";
|
|
436
|
|
|
437
|
return implode("<br />",$report);
|
|
438
|
}
|
|
439
|
|
|
440
|
function _dump($output = false) {
|
|
441
|
$nodes = array();
|
|
442
|
$this->db->query("SELECT * FROM ".$this->table." ORDER BY `".$this->fields["left"]."`");
|
|
443
|
while($this->db->nextr()) $nodes[] = $this->db->get_row("assoc");
|
|
444
|
if($output) {
|
|
445
|
echo "<pre>";
|
|
446
|
foreach($nodes as $node) {
|
|
447
|
echo str_repeat(" ",(int)$node[$this->fields["level"]] * 2);
|
|
448
|
echo $node[$this->fields["id"]]." (".$node[$this->fields["left"]].",".$node[$this->fields["right"]].",".$node[$this->fields["level"]].",".$node[$this->fields["parent_id"]].",".$node[$this->fields["position"]].")<br />";
|
|
449
|
}
|
|
450
|
echo str_repeat("-",40);
|
|
451
|
echo "</pre>";
|
|
452
|
}
|
|
453
|
return $nodes;
|
|
454
|
}
|
|
455
|
function _drop() {
|
|
456
|
$this->db->query("TRUNCATE TABLE `".$this->table."`");
|
|
457
|
$this->db->query("" .
|
|
458
|
"INSERT INTO `".$this->table."` (" .
|
|
459
|
"`".$this->fields["id"]."`, " .
|
|
460
|
"`".$this->fields["parent_id"]."`, " .
|
|
461
|
"`".$this->fields["position"]."`, " .
|
|
462
|
"`".$this->fields["left"]."`, " .
|
|
463
|
"`".$this->fields["right"]."`, " .
|
|
464
|
"`".$this->fields["level"]."` " .
|
|
465
|
") " .
|
|
466
|
"VALUES (" .
|
|
467
|
"1, " .
|
|
468
|
"0, " .
|
|
469
|
"0, " .
|
|
470
|
"1, " .
|
|
471
|
"2, " .
|
|
472
|
"0 ".
|
|
473
|
")");
|
|
474
|
}
|
|
475
|
}
|
|
476
|
|
|
477
|
class json_tree extends _tree_struct {
|
|
478
|
function __construct($table = "tree", $fields = array(), $add_fields = array("title" => "title", "type" => "type")) {
|
|
479
|
parent::__construct($table, $fields);
|
|
480
|
$this->fields = array_merge($this->fields, $add_fields);
|
|
481
|
$this->add_fields = $add_fields;
|
|
482
|
}
|
|
483
|
|
|
484
|
function create_node($data) {
|
|
485
|
$id = parent::_create((int)$data[$this->fields["id"]], (int)$data[$this->fields["position"]]);
|
|
486
|
if($id) {
|
|
487
|
$data["id"] = $id;
|
|
488
|
$this->set_data($data);
|
|
489
|
return "{ \"status\" : 1, \"id\" : ".(int)$id." }";
|
|
490
|
}
|
|
491
|
return "{ \"status\" : 0 }";
|
|
492
|
}
|
|
493
|
function set_data($data) {
|
|
494
|
if(count($this->add_fields) == 0) { return "{ \"status\" : 1 }"; }
|
|
495
|
$s = "UPDATE `".$this->table."` SET `".$this->fields["id"]."` = `".$this->fields["id"]."` ";
|
|
496
|
foreach($this->add_fields as $k => $v) {
|
|
497
|
if(isset($data[$k])) $s .= ", `".$this->fields[$v]."` = \"".$this->db->escape($data[$k])."\" ";
|
|
498
|
else $s .= ", `".$this->fields[$v]."` = `".$this->fields[$v]."` ";
|
|
499
|
}
|
|
500
|
$s .= "WHERE `".$this->fields["id"]."` = ".(int)$data["id"];
|
|
501
|
$this->db->query($s);
|
|
502
|
return "{ \"status\" : 1 }";
|
|
503
|
}
|
|
504
|
function rename_node($data) { return $this->set_data($data); }
|
|
505
|
|
|
506
|
function move_node($data) {
|
|
507
|
$id = parent::_move((int)$data["id"], (int)$data["ref"], (int)$data["position"], (int)$data["copy"]);
|
|
508
|
if(!$id) return "{ \"status\" : 0 }";
|
|
509
|
if((int)$data["copy"] && count($this->add_fields)) {
|
|
510
|
$ids = array_keys($this->_get_children($id, true));
|
|
511
|
$data = $this->_get_children((int)$data["id"], true);
|
|
512
|
|
|
513
|
$i = 0;
|
|
514
|
foreach($data as $dk => $dv) {
|
|
515
|
$s = "UPDATE `".$this->table."` SET `".$this->fields["id"]."` = `".$this->fields["id"]."` ";
|
|
516
|
foreach($this->add_fields as $k => $v) {
|
|
517
|
if(isset($dv[$k])) $s .= ", `".$this->fields[$v]."` = \"".$this->db->escape($dv[$k])."\" ";
|
|
518
|
else $s .= ", `".$this->fields[$v]."` = `".$this->fields[$v]."` ";
|
|
519
|
}
|
|
520
|
$s .= "WHERE `".$this->fields["id"]."` = ".$ids[$i];
|
|
521
|
$this->db->query($s);
|
|
522
|
$i++;
|
|
523
|
}
|
|
524
|
}
|
|
525
|
return "{ \"status\" : 1, \"id\" : ".$id." }";
|
|
526
|
}
|
|
527
|
function remove_node($data) {
|
|
528
|
$id = parent::_remove((int)$data["id"]);
|
|
529
|
return "{ \"status\" : 1 }";
|
|
530
|
}
|
|
531
|
function get_children($data) {
|
|
532
|
$tmp = $this->_get_children((int)$data["id"]);
|
|
533
|
if((int)$data["id"] === 1 && count($tmp) === 0) {
|
|
534
|
$this->_create_default();
|
|
535
|
$tmp = $this->_get_children((int)$data["id"]);
|
|
536
|
}
|
|
537
|
$result = array();
|
|
538
|
if((int)$data["id"] === 0) return json_encode($result);
|
|
539
|
foreach($tmp as $k => $v) {
|
|
540
|
$result[] = array(
|
|
541
|
"attr" => array("id" => "node_".$k, "rel" => $v[$this->fields["type"]]),
|
|
542
|
"data" => $v[$this->fields["title"]],
|
|
543
|
"state" => ((int)$v[$this->fields["right"]] - (int)$v[$this->fields["left"]] > 1) ? "closed" : ""
|
|
544
|
);
|
|
545
|
}
|
|
546
|
return json_encode($result);
|
|
547
|
}
|
|
548
|
function search($data) {
|
|
549
|
$this->db->query("SELECT `".$this->fields["left"]."`, `".$this->fields["right"]."` FROM `".$this->table."` WHERE `".$this->fields["title"]."` LIKE '%".$this->db->escape($data["search_str"])."%'");
|
|
550
|
if($this->db->nf() === 0) return "[]";
|
|
551
|
$q = "SELECT DISTINCT `".$this->fields["id"]."` FROM `".$this->table."` WHERE 0 ";
|
|
552
|
while($this->db->nextr()) {
|
|
553
|
$q .= " OR (`".$this->fields["left"]."` < ".(int)$this->db->f(0)." AND `".$this->fields["right"]."` > ".(int)$this->db->f(1).") ";
|
|
554
|
}
|
|
555
|
$result = array();
|
|
556
|
$this->db->query($q);
|
|
557
|
while($this->db->nextr()) { $result[] = "#node_".$this->db->f(0); }
|
|
558
|
return json_encode($result);
|
|
559
|
}
|
|
560
|
|
|
561
|
function _create_default() {
|
|
562
|
$this->_drop();
|
|
563
|
$this->create_node(array(
|
|
564
|
"id" => 1,
|
|
565
|
"position" => 0,
|
|
566
|
"title" => "C:",
|
|
567
|
"type" => "drive"
|
|
568
|
));
|
|
569
|
$this->create_node(array(
|
|
570
|
"id" => 1,
|
|
571
|
"position" => 1,
|
|
572
|
"title" => "D:",
|
|
573
|
"type" => "drive"
|
|
574
|
));
|
|
575
|
$this->create_node(array(
|
|
576
|
"id" => 2,
|
|
577
|
"position" => 0,
|
|
578
|
"title" => "_demo",
|
|
579
|
"type" => "folder"
|
|
580
|
));
|
|
581
|
$this->create_node(array(
|
|
582
|
"id" => 2,
|
|
583
|
"position" => 1,
|
|
584
|
"title" => "_docs",
|
|
585
|
"type" => "folder"
|
|
586
|
));
|
|
587
|
$this->create_node(array(
|
|
588
|
"id" => 4,
|
|
589
|
"position" => 0,
|
|
590
|
"title" => "index.html",
|
|
591
|
"type" => "default"
|
|
592
|
));
|
|
593
|
$this->create_node(array(
|
|
594
|
"id" => 5,
|
|
595
|
"position" => 1,
|
|
596
|
"title" => "doc.html",
|
|
597
|
"type" => "default"
|
|
598
|
));
|
|
599
|
}
|
|
600
|
}
|
|
601
|
|
|
602
|
?>
|