1 <?php
2 /*
3 * This code is part of GOsa (http://www.gosa-project.org)
4 * Copyright (C) 2003-2010 GONICUS GmbH
5 *
6 * ID: $$Id$$
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
23 define ('LIST_NORMAL', 0);
24 define ('LIST_MARKED', 1);
25 define ('LIST_DISABLED', 2);
27 class sortableListing {
28 private $header= null;
29 private $colspecs= null;
30 private $reorderable= true;
31 private $width= "400px";
32 private $height= "100px";
33 private $cssclass= "";
34 private $id;
36 private $data= array();
37 private $keys= array();
38 private $modes= array();
39 private $displayData= array();
40 private $columns= 0;
41 private $deleteable= false;
42 private $editable= false;
43 private $colorAlternate= false;
44 private $instantDelete= true;
45 private $action;
46 private $mapping;
47 private $current_mapping;
48 private $active_index;
49 private $scrollPosition= 0;
50 private $sortColumn= 0;
51 private $sortDirection= array();
53 private $acl= "";
54 private $modified= false;
56 public function sortableListing($data= array(), $displayData= null, $reorderable= false)
57 {
58 global $config;
60 // Save data to display
61 $this->setListData($data, $displayData);
63 // Generate instance wide unique ID
64 $tmp= gettimeofday();
65 $this->id= 'l'.md5(microtime().$tmp['sec']);
67 // Set reorderable flag
68 $this->reorderable= $reorderable;
69 if (!$reorderable) {
70 $this->sortData();
71 }
72 }
75 public function setListData($data, $displayData= null)
76 {
77 // Save data to display
78 $this->setData($data);
79 if (!$displayData) {
80 $displayData= array();
81 foreach ($data as $key => $value) {
82 $displayData[$key]= array("data" => array($value));
83 }
84 }
85 $this->setDisplayData($displayData);
86 }
89 private function setData($data)
90 {
91 $this->data= $data;
92 }
95 private function setDisplayData($data)
96 {
97 if (!is_array($data)) {
98 trigger_error ("sortableList needs an array as data!");
99 }
101 // Transfer information
102 $this->displayData= array();
103 $this->modes= array();
104 $this->mapping= array();
105 foreach ($data as $key => $value) {
106 $this->displayData[]= $value['data'];
107 if (isset($value['mode'])) {
108 $this->modes[]= $value['mode'];
109 }
110 }
111 $this->keys= array_keys($data);
113 // Create initial mapping
114 if(count($this->keys)){
115 $this->mapping= range(0, abs(count($this->keys)-1));
116 }
117 $this->current_mapping= $this->mapping;
119 // Find the number of coluns
120 reset($this->displayData);
121 $first= current($this->displayData);
122 if (is_array($first)) {
123 $this->columns= count($first);
124 } else {
125 $this->columns= 1;
126 }
128 // Preset sort orders to 'down'
129 for ($column= 0; $column<$this->columns; $column++) {
130 if(!isset($this->sortDirection[$column])){
131 $this->sortDirection[$column]= true;
132 }
133 }
134 }
137 public function setWidth($width)
138 {
139 $this->width= $width;
140 }
143 public function setInstantDelete($flag)
144 {
145 $this->instantDelete= $flag;
146 }
149 public function setColorAlternate($flag)
150 {
151 $this->colorAlternate= $flag;
152 }
155 public function setEditable($flag)
156 {
157 $this->editable= $flag;
158 }
161 public function setDeleteable($flag)
162 {
163 $this->deleteable= $flag;
164 }
167 public function setHeight($height)
168 {
169 $this->height= $height;
170 }
173 public function setCssClass($css)
174 {
175 $this->cssclass= $css;
176 }
179 public function setHeader($header)
180 {
181 $this->header= $header;
182 }
185 public function setColspecs($specs)
186 {
187 $this->colspecs= $specs;
188 }
191 public function render()
192 {
193 $result= "<div class='sortableListContainer' id='scroll_".$this->id."' style='min-width:".$this->width.";height: ".$this->height."'>\n";
194 $result.= "<table summary='"._("Sortable list")."' border='0' cellpadding='0' cellspacing='0' width='100%' style='width:100%' ".(!empty($this->cssclass)?" class='".$this->cssclass."'":"").">\n";
195 $action_width= 0;
196 if (strpos($this->acl, 'w') === false) {
197 $edit_image= $this->editable?image("images/lists/edit-grey.png"):"";
198 } else {
199 $edit_image= $this->editable?image('images/lists/edit.png', "%ID", _("Edit this entry")):"";
200 }
201 if (strpos($this->acl, 'd') === false) {
202 $delete_image= $this->deleteable?image('images/lists/trash-grey.png'):"";
203 } else {
204 $delete_image= $this->deleteable?image('images/lists/trash.png', "%ID", _("Delete this entry")):"";
205 }
207 // Do we need colspecs?
208 $action_width= ($this->editable?20:0) + ($this->deleteable?20:0);
209 if ($this->colspecs) {
210 $result.= " <colgroup>\n";
211 for ($i= 0; $i<$this->columns; $i++) {
212 if(isset($this->colspecs[$i]) && $this->colspecs[$i] != '*'){
213 $result.= " <col style='width:".($this->colspecs[$i])."'>\n";
214 }else{
215 $result.= " <col>\n";
216 }
217 }
219 // Extend by another column if we've actions specified
220 if ($action_width) {
221 $result.= " <col style='width:".$action_width."px' >\n";
222 }
223 $result.= " </colgroup>\n";
224 }
226 // Do we need a header?
227 if ($this->header) {
228 $result.= " <thead>\n <tr>\n";
229 $first= " style='border-left:0'";
230 for ($i= 0; $i<$this->columns; $i++) {
231 $link= "href='?plug=".$_GET['plug']."&PID=".$this->id."&act=SORT_$i'";
232 $sorter= "";
233 if ($i == $this->sortColumn){
234 $sorter= " ".image("images/lists/sort-".($this->sortDirection[$i]?"up":"down").".png", null, $this->sortDirection[$i]?_("Up"):_("Down"));
235 }
237 if ($this->reorderable) {
238 $result.= " <th$first>".(isset($this->header[$i])?$this->header[$i]:"")."</th>";
239 } else {
240 $result.= " <th$first><a $link>".(isset($this->header[$i])?$this->header[$i]:"")."</a>$sorter</th>";
241 }
242 $first= "";
243 }
244 if ($action_width) {
245 $result.= "<th> </th>";
246 }
247 $result.= "\n </tr>\n </thead>\n";
248 }
250 // Render table body if we've read permission
251 $result.= " <tbody id='".$this->id."'>\n";
252 $reorderable= $this->reorderable?"":" style='cursor:default'";
253 if (strpos($this->acl, 'r') !== false) {
254 foreach ($this->mapping as $nr => $row) {
255 $editable= $this->editable?" onClick='$(\"edit_".$this->id."_$nr\").click()'":"";
257 $id= "";
258 if (isset($this->modes[$row])) {
259 switch ($this->modes[$row]) {
260 case LIST_DISABLED:
261 $id= " sortableListItemDisabled";
262 $editable= "";
263 break;
264 case LIST_MARKED:
265 $id= " sortableListItemMarked";
266 break;
267 }
268 }
270 $result.= " <tr class='sortableListItem".((($nr&1)||!$this->colorAlternate)?'':'Odd')."$id' id='item_".$this->id."_$nr'$reorderable>\n";
271 $first= " style='border:0'";
273 foreach ($this->displayData[$row] as $column) {
274 $result.= " <td$editable$first>".$column."</td>\n";
275 $first= "";
276 }
278 if ($action_width) {
279 $result.= "<td>".str_replace('%ID', "edit_".$this->id."_$nr", $edit_image).
280 str_replace('%ID', "del_".$this->id."_$nr", $delete_image)."</td>";
281 }
283 $result.= " </tr>\n";
284 }
285 }
287 // Add spacer
288 $result.= " <tr class='sortableListItemFill' style='height:100%'><td style='border:0'></td>";
289 $num= $action_width?$this->columns:$this->columns-1;
290 for ($i= 0; $i<$num; $i++) {
291 $result.= "<td class='sortableListItemFill'></td>";
292 }
293 $result.= "</tr>\n";
295 $result.= " </tbody>\n</table>\n</div>\n";
296 # $result.= " <input type='hidden' name='PID' value='".$this->id."' id='PID'>\n";
297 $result.= " <input type='hidden' name='position_".$this->id."' id='position_".$this->id."'>\n";
298 $result.= " <input type='hidden' name='reorder_".$this->id."' id='reorder_".$this->id."'>\n";
300 // Append script stuff if needed
301 $result.= '<script type="text/javascript" language="javascript">';
302 if ($this->reorderable) {
303 $result.= ' function updateOrder(){';
304 $result.= ' var ampcharcode= \'%26\';';
305 $result.= ' var serializeOpts = Sortable.serialize(\''.$this->id.'\')+"='.$this->id.'";';
306 $result.= ' $("reorder_'.$this->id.'").value= serializeOpts;';
307 $result.= ' document.mainform.submit();';
308 $result.= ' }';
309 $result.= 'Position.includeScrollOffsets = true;';
310 $result.= ' Sortable.create(\''.$this->id.'\',{tag:\'tr\', ghosting:false, constraint:\'vertical\', scroll:\'scroll_'.$this->id.'\',onUpdate : updateOrder});';
311 }
312 $result.= '$("scroll_'.$this->id.'").scrollTop= '.$this->scrollPosition.';';
313 $result.= 'var box = $("scroll_'.$this->id.'").onscroll= function() {$("position_'.$this->id.'").value= this.scrollTop;}';
314 $result.= '</script>';
316 return $result;
317 }
320 public function update()
321 {
322 // Do not do anything if this is not our PID, or there's even no PID available...
323 if(isset($_REQUEST['PID']) && $_REQUEST['PID'] != $this->id) {
324 return;
325 }
327 // Filter GET with "act" attributes
328 if (!$this->reorderable){
329 if(isset($_GET['act'])) {
330 $key= validate($_GET['act']);
331 if (preg_match('/^SORT_([0-9]+)$/', $key, $match)) {
332 // Switch to new column or invert search order?
333 $column= $match[1];
334 if ($this->sortColumn != $column) {
335 $this->sortColumn= $column;
336 } else {
337 $this->sortDirection[$column]= !$this->sortDirection[$column];
338 }
340 }
341 }
343 // Update mapping according to sort parameters
344 $this->sortData();
345 }
346 }
349 public function save_object()
350 {
351 // Do not do anything if this is not our PID, or there's even no PID available...
352 if(isset($_REQUEST['PID']) && $_REQUEST['PID'] != $this->id) {
353 return;
354 }
356 // Do not do anything if we're not posted - or have no permission
357 if (strpos($this->acl, 'w') !== false && isset($_POST['reorder_'.$this->id])){
359 if (isset($_POST['position_'.$this->id]) && is_numeric($_POST['position_'.$this->id])) {
360 $this->scrollPosition= $_POST['position_'.$this->id];
361 }
363 // Move requested?
364 $move= $_POST['reorder_'.$this->id];
365 if ($move != "") {
366 preg_match_all('/=([0-9]+)[&=]/', $move, $matches);
367 $this->action= "reorder";
368 $tmp= array();
369 foreach ($matches[1] as $id => $row) {
370 $tmp[$id]= $this->mapping[$row];
371 }
372 $this->mapping= $tmp;
373 $this->current_mapping= $matches[1];
374 $this->modified= true;
375 return;
376 }
377 }
379 // Delete requested?
380 $this->action = "";
381 if (strpos($this->acl, 'd') !== false){
382 foreach ($_POST as $key => $value) {
383 if (preg_match('/^del_'.$this->id.'_([0-9]+)$/', $key, $matches)) {
384 $this->active_index= $this->mapping[$matches[1]];
386 // Ignore request if mode requests it
387 if (isset($this->modes[$this->active_index]) && $this->modes[$this->active_index] == LIST_DISABLED) {
388 $this->active_index= null;
389 continue;
390 }
392 // Set action
393 $this->action= "delete";
395 // Remove value if requested
396 if ($this->instantDelete) {
397 $this->deleteEntry($this->active_index);
398 }
399 }
400 }
401 }
403 // Edit requested?
404 if (strpos($this->acl, 'w') !== false){
405 foreach ($_POST as $key => $value) {
406 if (preg_match('/^edit_'.$this->id.'_([0-9]+)$/', $key, $matches)) {
407 $this->active_index= $this->mapping[$matches[1]];
409 // Ignore request if mode requests it
410 if (isset($this->modes[$this->active_index]) && $this->modes[$this->active_index] == LIST_DISABLED) {
411 $this->active_index= null;
412 continue;
413 }
415 $this->action= "edit";
416 }
417 }
418 }
419 }
422 public function getAction()
423 {
424 // Do not do anything if we're not posted
425 if(!isset($_POST['reorder_'.$this->id])) {
426 return;
427 }
429 // For reordering, return current mapping
430 if ($this->action == 'reorder') {
431 return array("targets" => $this->current_mapping, "mapping" => $this->mapping, "action" => $this->action);
432 }
434 // Edit and delete
435 $result= array("targets" => array($this->active_index), "action" => $this->action);
437 return $result;
438 }
441 private function deleteEntry($id)
442 {
443 // Remove mapping
444 $index= array_search($id, $this->mapping);
445 if ($index !== false) {
446 unset($this->mapping[$index]);
447 $this->mapping= array_values($this->mapping);
448 $this->modified= true;
449 }
450 }
453 public function getMaintainedData()
454 {
455 $tmp= array();
456 foreach ($this->mapping as $src => $dst) {
457 $realKey = $this->keys[$dst];
458 $tmp[$realKey] = $this->data[$realKey];
459 }
460 return $tmp;
461 }
464 public function isModified()
465 {
466 return $this->modified;
467 }
470 public function setAcl($acl)
471 {
472 $this->acl= $acl;
473 }
476 public function sortData()
477 {
478 // Extract data
479 $tmp= array();
480 foreach($this->displayData as $item) {
481 if (isset($item[$this->sortColumn])){
482 $tmp[]= $item[$this->sortColumn];
483 } else {
484 $tmp[]= "";
485 }
486 }
488 // Sort entries
489 if ($this->sortDirection[$this->sortColumn]) {
490 asort($tmp);
491 } else {
492 arsort($tmp);
493 }
495 // Adapt mapping accordingly
496 $this->mapping= array();
497 foreach ($tmp as $key => $value) {
498 $this->mapping[]= $key;
499 }
500 }
503 public function addEntry($entry, $displayEntry= null, $key= null)
504 {
505 // Only add if not already there
506 if (!$key) {
507 if (in_array($entry, $this->data)) {
508 return;
509 }
510 } else {
511 if (isset($this->data[$key])) {
512 return;
513 }
514 }
516 // Prefill with default value if not specified
517 if (!$displayEntry) {
518 $displayEntry= array('data' => array($entry));
519 }
521 // Append to data and mapping
522 if ($key) {
523 $this->data[$key]= $entry;
524 $this->keys[]= $key;
525 } else {
526 $this->data[]= $entry;
527 $this->keys[]= count($this->mapping);
528 }
529 $this->displayData[]= $displayEntry['data'];
530 $this->mapping[]= count($this->mapping);
531 $this->modified= true;
533 // Sort data after we've added stuff
534 $this->sortData();
535 }
538 public function getKey($index) {
539 return isset($this->keys[$index])?$this->keys[$index]:null;
540 }
542 public function getData($index) {
543 $realkey = $this->keys[$index];
544 return($this->data[$realkey]);
545 }
546 }