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 $this->id= 'l'.md5($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 die ("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 $this->sortDirection[]= true;
131 }
132 }
135 public function setWidth($width)
136 {
137 $this->width= $width;
138 }
141 public function setInstantDelete($flag)
142 {
143 $this->instantDelete= $flag;
144 }
147 public function setColorAlternate($flag)
148 {
149 $this->colorAlternate= $flag;
150 }
153 public function setEditable($flag)
154 {
155 $this->editable= $flag;
156 }
159 public function setDeleteable($flag)
160 {
161 $this->deleteable= $flag;
162 }
165 public function setHeight($height)
166 {
167 $this->height= $height;
168 }
171 public function setCssClass($css)
172 {
173 $this->cssclass= $css;
174 }
177 public function setHeader($header)
178 {
179 $this->header= $header;
180 }
183 public function setColspecs($specs)
184 {
185 $this->colspecs= $specs;
186 }
189 public function render()
190 {
191 $result= "<div class='sortableListContainer' id='scroll_".$this->id."' style='min-width:".$this->width.";height: ".$this->height."'>\n";
192 $result.= "<table summary='"._("Sortable list")."' border='0' cellpadding='0' cellspacing='0' width='100%' style='width:100%' ".(!empty($this->cssclass)?" class='".$this->cssclass."'":"").">\n";
193 $action_width= 0;
194 if (strpos($this->acl, 'w') === false) {
195 $edit_image= $this->editable?image("images/lists/edit-grey.png"):"";
196 } else {
197 $edit_image= $this->editable?image('images/lists/edit.png', "%ID", _("Edit this entry")):"";
198 }
199 if (strpos($this->acl, 'd') === false) {
200 $delete_image= $this->deleteable?image('images/lists/trash-grey.png'):"";
201 } else {
202 $delete_image= $this->deleteable?image('images/lists/trash.png', "%ID", _("Delete this entry")):"";
203 }
205 // Do we need colspecs?
206 $action_width= ($this->editable?20:0) + ($this->deleteable?20:0);
207 if ($this->colspecs) {
208 $result.= " <colgroup>\n";
209 for ($i= 0; $i<$this->columns; $i++) {
210 if(isset($this->colspecs[$i]) && $this->colspecs[$i] != '*'){
211 $result.= " <col style='width:".($this->colspecs[$i])."'>\n";
212 }else{
213 $result.= " <col>\n";
214 }
215 }
217 // Extend by another column if we've actions specified
218 if ($action_width) {
219 $result.= " <col style='width:".$action_width."px' >\n";
220 }
221 $result.= " </colgroup>\n";
222 }
224 // Do we need a header?
225 if ($this->header) {
226 $result.= " <thead>\n <tr>\n";
227 $first= " style='border-left:0'";
228 for ($i= 0; $i<$this->columns; $i++) {
229 $link= "href='?plug=".$_GET['plug']."&PID=".$this->id."&act=SORT_$i'";
230 $sorter= "";
231 if ($i == $this->sortColumn){
232 $sorter= " ".image("images/lists/sort-".($this->sortDirection[$i]?"up":"down").".png", null, $this->sortDirection[$i]?_("Up"):_("Down"));
233 }
235 if ($this->reorderable) {
236 $result.= " <th$first>".(isset($this->header[$i])?$this->header[$i]:"")."</th>";
237 } else {
238 $result.= " <th$first><a $link>".(isset($this->header[$i])?$this->header[$i]:"")."</a>$sorter</th>";
239 }
240 $first= "";
241 }
242 if ($action_width) {
243 $result.= "<th> </th>";
244 }
245 $result.= "\n </tr>\n </thead>\n";
246 }
248 // Render table body if we've read permission
249 $result.= " <tbody id='".$this->id."'>\n";
250 $reorderable= $this->reorderable?"":" style='cursor:default'";
251 if (strpos($this->acl, 'r') !== false) {
252 foreach ($this->mapping as $nr => $row) {
253 $editable= $this->editable?" onClick='$(\"edit_".$this->id."_$nr\").click()'":"";
255 $id= "";
256 if (isset($this->modes[$row])) {
257 switch ($this->modes[$row]) {
258 case LIST_DISABLED:
259 $id= " sortableListItemDisabled";
260 $editable= "";
261 break;
262 case LIST_MARKED:
263 $id= " sortableListItemMarked";
264 break;
265 }
266 }
268 $result.= " <tr class='sortableListItem".((($nr&1)||!$this->colorAlternate)?'':'Odd')."$id' id='item_".$this->id."_$nr'$reorderable>\n";
269 $first= " style='border:0'";
271 foreach ($this->displayData[$row] as $column) {
272 $result.= " <td$editable$first>".$column."</td>\n";
273 $first= "";
274 }
276 if ($action_width) {
277 $result.= "<td>".str_replace('%ID', "edit_".$this->id."_$nr", $edit_image).
278 str_replace('%ID', "del_".$this->id."_$nr", $delete_image)."</td>";
279 }
281 $result.= " </tr>\n";
282 }
283 }
285 // Add spacer
286 $result.= " <tr class='sortableListItemFill' style='height:100%'><td style='border:0'></td>";
287 $num= $action_width?$this->columns:$this->columns-1;
288 for ($i= 0; $i<$num; $i++) {
289 $result.= "<td class='sortableListItemFill'></td>";
290 }
291 $result.= "</tr>\n";
293 $result.= " </tbody>\n</table>\n</div>\n";
294 $result.= " <input type='hidden' name='PID' value='".$this->id."' id='PID'>\n";
295 $result.= " <input type='hidden' name='position_".$this->id."' id='position_".$this->id."'>\n";
296 $result.= " <input type='hidden' name='reorder_".$this->id."' id='reorder_".$this->id."'>\n";
298 // Append script stuff if needed
299 $result.= '<script type="text/javascript" language="javascript">';
300 if ($this->reorderable) {
301 $result.= ' function updateOrder(){';
302 $result.= ' var ampcharcode= \'%26\';';
303 $result.= ' var serializeOpts = Sortable.serialize(\''.$this->id.'\')+"='.$this->id.'";';
304 $result.= ' $("reorder_'.$this->id.'").value= serializeOpts;';
305 $result.= ' document.mainform.submit();';
306 $result.= ' }';
307 $result.= 'Position.includeScrollOffsets = true;';
308 $result.= ' Sortable.create(\''.$this->id.'\',{tag:\'tr\', ghosting:false, constraint:\'vertical\', scroll:\'scroll_'.$this->id.'\',onUpdate : updateOrder});';
309 }
310 $result.= '$("scroll_'.$this->id.'").scrollTop= '.$this->scrollPosition.';';
311 $result.= 'var box = $("scroll_'.$this->id.'").onscroll= function() {$("position_'.$this->id.'").value= this.scrollTop;}';
312 $result.= '</script>';
314 return $result;
315 }
318 public function update()
319 {
320 // Do not do anything if this is not our PID, or there's even no PID available...
321 if(!isset($_REQUEST['PID']) || $_REQUEST['PID'] != $this->id) {
322 return;
323 }
325 // Filter GET with "act" attributes
326 if (!$this->reorderable && isset($_GET['act'])) {
327 $key= validate($_GET['act']);
328 if (preg_match('/^SORT_([0-9]+)$/', $key, $match)) {
329 // Switch to new column or invert search order?
330 $column= $match[1];
331 if ($this->sortColumn != $column) {
332 $this->sortColumn= $column;
333 } else {
334 $this->sortDirection[$column]= !$this->sortDirection[$column];
335 }
337 // Update mapping according to sort parameters
338 $this->sortData();
339 }
340 }
341 }
344 public function save_object()
345 {
346 // Do not do anything if this is not our PID, or there's even no PID available...
347 if(!isset($_REQUEST['PID']) || $_REQUEST['PID'] != $this->id) {
348 return;
349 }
351 // Do not do anything if we're not posted - or have no permission
352 if (strpos($this->acl, 'w') !== false && isset($_POST['reorder_'.$this->id])){
354 if (isset($_POST['position_'.$this->id]) && is_numeric($_POST['position_'.$this->id])) {
355 $this->scrollPosition= $_POST['position_'.$this->id];
356 }
358 // Move requested?
359 $move= $_POST['reorder_'.$this->id];
360 if ($move != "") {
361 preg_match_all('/=([0-9]+)[&=]/', $move, $matches);
362 $this->action= "reorder";
363 $tmp= array();
364 foreach ($matches[1] as $id => $row) {
365 $tmp[$id]= $this->mapping[$row];
366 }
367 $this->mapping= $tmp;
368 $this->current_mapping= $matches[1];
369 $this->modified= true;
370 return;
371 }
372 }
374 // Delete requested?
375 $this->action = "";
376 if (strpos($this->acl, 'd') !== false){
377 foreach ($_POST as $key => $value) {
378 if (preg_match('/^del_'.$this->id.'_([0-9]+)$/', $key, $matches)) {
379 $this->active_index= $this->mapping[$matches[1]];
381 // Ignore request if mode requests it
382 if (isset($this->modes[$this->active_index]) && $this->modes[$this->active_index] == LIST_DISABLED) {
383 $this->active_index= null;
384 continue;
385 }
387 // Set action
388 $this->action= "delete";
390 // Remove value if requested
391 if ($this->instantDelete) {
392 $this->deleteEntry($this->active_index);
393 }
394 }
395 }
396 }
398 // Edit requested?
399 if (strpos($this->acl, 'w') !== false){
400 foreach ($_POST as $key => $value) {
401 if (preg_match('/^edit_'.$this->id.'_([0-9]+)$/', $key, $matches)) {
402 $this->active_index= $this->mapping[$matches[1]];
404 // Ignore request if mode requests it
405 if (isset($this->modes[$this->active_index]) && $this->modes[$this->active_index] == LIST_DISABLED) {
406 $this->active_index= null;
407 continue;
408 }
410 $this->action= "edit";
411 }
412 }
413 }
414 }
417 public function getAction()
418 {
419 // Do not do anything if we're not posted
420 if(!isset($_POST['reorder_'.$this->id])) {
421 return;
422 }
424 // For reordering, return current mapping
425 if ($this->action == 'reorder') {
426 return array("targets" => $this->current_mapping, "mapping" => $this->mapping, "action" => $this->action);
427 }
429 // Edit and delete
430 $result= array("targets" => array($this->active_index), "action" => $this->action);
432 return $result;
433 }
436 private function deleteEntry($id)
437 {
438 // Remove mapping
439 $index= array_search($id, $this->mapping);
440 if ($index !== false) {
441 unset($this->mapping[$index]);
442 $this->mapping= array_values($this->mapping);
443 $this->modified= true;
444 }
445 }
448 public function getMaintainedData()
449 {
450 $tmp= array();
451 foreach ($this->mapping as $src => $dst) {
452 $realKey = $this->keys[$dst];
453 $tmp[$realKey] = $this->data[$realKey];
454 }
455 return $tmp;
456 }
459 public function isModified()
460 {
461 return $this->modified;
462 }
465 public function setAcl($acl)
466 {
467 $this->acl= $acl;
468 }
471 public function sortData()
472 {
473 // Extract data
474 $tmp= array();
475 foreach($this->displayData as $item) {
476 if (isset($item[$this->sortColumn])){
477 $tmp[]= $item[$this->sortColumn];
478 } else {
479 $tmp[]= "";
480 }
481 }
483 // Sort entries
484 if ($this->sortDirection[$this->sortColumn]) {
485 asort($tmp);
486 } else {
487 arsort($tmp);
488 }
490 // Adapt mapping accordingly
491 $this->mapping= array();
492 foreach ($tmp as $key => $value) {
493 $this->mapping[]= $key;
494 }
495 }
498 public function addEntry($entry, $displayEntry= null, $key= null)
499 {
500 // Only add if not already there
501 if (!$key) {
502 if (in_array($entry, $this->data)) {
503 return;
504 }
505 } else {
506 if (isset($this->data[$key])) {
507 return;
508 }
509 }
511 // Prefill with default value if not specified
512 if (!$displayEntry) {
513 $displayEntry= array('data' => array($entry));
514 }
516 // Append to data and mapping
517 if ($key) {
518 $this->data[$key]= $entry;
519 $this->keys[]= $key;
520 } else {
521 $this->data[]= $entry;
522 $this->keys[]= count($this->mapping);
523 }
524 $this->displayData[]= $displayEntry['data'];
525 $this->mapping[]= count($this->mapping);
526 $this->modified= true;
528 // Sort data after we've added stuff
529 $this->sortData();
530 }
533 public function getKey($index) {
534 return isset($this->keys[$index])?$this->keys[$index]:null;
535 }
537 }