1 <?php
2 /*
3 * This code is part of GOsa (http://www.gosa-project.org)
4 * Copyright (C) 2003-2008 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 class sortableListing {
24 private $header= null;
25 private $colspecs= null;
26 private $reorderable= true;
27 private $width= "400px";
28 private $height= "100px";
29 private $cssclass= "";
30 private $id;
32 private $data= array();
33 private $displayData= array();
34 private $columns= 0;
35 private $deleteable= false;
36 private $editable= false;
37 private $instantDelete= true;
38 private $action;
39 private $targets;
40 private $mapping;
41 private $current_mapping;
42 private $active_index;
43 private $scrollPosition= 0;
44 private $sortColumn= 0;
45 private $sortDirection= array();
47 private $acl= "";
48 private $modified= false;
50 public function sortableListing($data= array(), $displayData= null, $reorderable= false)
51 {
52 global $config;
54 // Save data to display
55 $this->setData($data);
56 if (!$displayData) {
57 $displayData= array();
58 foreach ($data as $value) {
59 $displayData[]= array($value);
60 }
61 } else {
62 $this->setDisplayData($displayData);
63 }
65 // Generate instance wide unique ID
66 $tmp= gettimeofday();
67 $this->id= 'l'.md5($tmp['sec']);
69 // Set reorderable flag
70 $this->reorderable= $reorderable;
71 if (!$reorderable) {
72 $this->sortData();
73 }
74 }
77 private function setData($data)
78 {
79 $this->data= $data;
80 }
83 private function setDisplayData($data)
84 {
85 if (!is_array($data)) {
86 die ("sortableList needs an array as data!");
87 }
89 // Transfer information
90 $this->displayData= $data;
92 // Create initial mapping
93 $this->mapping= array_keys($data);
94 $this->current_mapping= $this->mapping;
96 // Find the number of coluns
97 reset($this->displayData);
98 $first= current($this->displayData);
99 if (is_array($first)) {
100 $this->columns= count($first);
101 } else {
102 $this->columns= 1;
103 }
105 // Preset sort orders to 'down'
106 for ($column= 0; $column<$this->columns; $column++) {
107 $this->sortDirection[]= true;
108 }
109 }
112 public function setWidth($width)
113 {
114 $this->width= $width;
115 }
118 public function setInstantDelete($flag)
119 {
120 $this->instantDelete= $flag;
121 }
124 public function setEditable($flag)
125 {
126 $this->editable= $flag;
127 }
130 public function setDeleteable($flag)
131 {
132 $this->deleteable= $flag;
133 }
136 public function setHeight($height)
137 {
138 $this->height= $height;
139 }
142 public function setCssClass($css)
143 {
144 $this->cssclass= $css;
145 }
148 public function setHeader($header)
149 {
150 $this->header= $header;
151 }
154 public function setColspecs($specs)
155 {
156 $this->colspecs= $specs;
157 }
160 public function render()
161 {
162 $result= "<div class='sortableListContainer' id='scroll_".$this->id."' style='width: ".$this->width."; height: ".$this->height."'>\n";
163 $result.= "<table border='0' cellpadding='0' cellspacing='0' width='100%' height='100%' style='position: relative;'".(!empty($this->cssclass)?" class='".$this->cssclass."'":"").">\n";
164 $action_width= 0;
165 if (strpos($this->acl, 'w') === false) {
166 $edit_image= $this->editable?"<img class='center' src='images/lists/edit-grey.png' alt='"._("Edit")."'>":"";
167 } else {
168 $edit_image= $this->editable?"<input class='center' type='image' src='images/lists/edit.png' alt='"._("Edit")."' name='%ID' id='%ID' title='"._("Edit this entry")."'>":"";
169 }
170 if (strpos($this->acl, 'd') === false) {
171 $delete_image= $this->deleteable?"<img class='center' src='images/lists/trash-grey.png' alt='"._("Delete")."'>":"";
172 } else {
173 $delete_image= $this->deleteable?"<input class='center' type='image' src='images/lists/trash.png' alt='"._("Delete")."' name='%ID' title='"._("Delete this entry")."'>":"";
174 }
176 // Do we need colspecs?
177 $action_width= ($this->editable?20:0) + ($this->deleteable?20:0);
178 if ($this->colspecs) {
179 $result.= " <colgroup>\n";
180 for ($i= 0; $i<$this->columns; $i++) {
181 $result.= " <col width='".(isset($this->colspecs[$i])?$this->colspecs[$i]:"*")."'/>\n";
182 }
184 // Extend by another column if we've actions specified
185 if ($action_width) {
186 $result.= " <col width='$action_width'/>\n";
187 }
188 $result.= " </colgroup>\n";
189 }
191 // Do we need a header?
192 if ($this->header) {
193 $result.= " <thead>\n <tr>\n";
194 for ($i= 0; $i<$this->columns; $i++) {
195 $link= "href='?plug=".$_GET['plug']."&PID=".$this->id."&act=SORT_$i'";
196 $sorter= "";
197 if ($i == $this->sortColumn){
198 $sorter= " <img border='0' title='".($this->sortDirection[$i]?_("Up"):_("Down"))."' src='images/lists/sort-".($this->sortDirection[$i]?"up":"down").".png' align='top'>";
199 }
201 if ($this->reorderable) {
202 $result.= " <th>".(isset($this->header[$i])?$this->header[$i]:"")."</th>";
203 } else {
204 $result.= " <th><a $link>".(isset($this->header[$i])?$this->header[$i]:"")."$sorter</a></th>";
205 }
206 }
207 if ($action_width) {
208 $result.= "<th> </th>";
209 }
210 $result.= "\n </tr>\n </thead>\n";
211 }
213 // Render table body if we've read permission
214 $result.= " <tbody id='".$this->id."'>\n";
215 $reorderable= $this->reorderable?"":" style='cursor:default'";
216 if (strpos($this->acl, 'r') !== false) {
217 foreach ($this->mapping as $nr => $row) {
218 $editable= $this->editable?" onclick='$(\"edit_".$this->id."_$nr\").click()'":"";
219 $result.= " <tr class='sortableListItem".($nr&1?'Odd':'')."' id='item_".$this->id."_$nr'$reorderable>\n";
220 foreach ($this->displayData[$row] as $column) {
221 $result.= " <td$editable>".htmlentities($column)."</td>\n";
222 }
223 if ($action_width) {
224 $result.= "<td>".str_replace('%ID', "edit_".$this->id."_$nr", $edit_image).
225 str_replace('%ID', "del_".$this->id."_$nr", $delete_image)."</td>";
226 }
227 $result.= " </tr>\n";
228 }
229 } else {
230 $result.= " <tr class='sortableListItem' style='height:100%'></tr>\n";
231 }
233 $result.= " </tbody>\n</table>\n</div>\n";
234 $result.= " <input type='hidden' name='PID' value='".$this->id."' id='PID'>\n";
235 $result.= " <input type='hidden' name='position_".$this->id."' id='position_".$this->id."'>\n";
236 $result.= " <input type='hidden' name='reorder_".$this->id."' id='reorder_".$this->id."'>\n";
238 // Append script stuff if needed
239 $result.= '<script type="text/javascript" language="javascript">';
240 if ($this->reorderable) {
241 $result.= ' function updateOrder(){';
242 $result.= ' var ampcharcode= \'%26\';';
243 $result.= ' var serializeOpts = Sortable.serialize(\''.$this->id.'\')+"='.$this->id.'";';
244 $result.= ' $("reorder_'.$this->id.'").value= serializeOpts;';
245 $result.= ' document.mainform.submit();';
246 $result.= ' }';
247 $result.= 'Position.includeScrollOffsets = true;';
248 $result.= ' Sortable.create(\''.$this->id.'\',{tag:\'tr\', ghosting:false, constraint:\'vertical\', scroll:\'scroll_'.$this->id.'\',onUpdate : updateOrder});';
249 }
250 $result.= '$("scroll_'.$this->id.'").scrollTop= '.$this->scrollPosition.';';
251 $result.= 'var box = $("scroll_'.$this->id.'").onscroll= function() {$("position_'.$this->id.'").value= this.scrollTop;}';
252 $result.= '</script>';
254 return $result;
255 }
258 public function update()
259 {
260 // Do not do anything if this is not our PID, or there's even no PID available...
261 if(!isset($_REQUEST['PID']) || $_REQUEST['PID'] != $this->id) {
262 return;
263 }
265 // Filter GET with "act" attributes
266 if (!$this->reorderable && isset($_GET['act'])) {
267 $key= validate($_GET['act']);
268 if (preg_match('/^SORT_([0-9]+)$/', $key, $match)) {
269 // Switch to new column or invert search order?
270 $column= $match[1];
271 if ($this->sortColumn != $column) {
272 $this->sortColumn= $column;
273 } else {
274 $this->sortDirection[$column]= !$this->sortDirection[$column];
275 }
277 // Update mapping according to sort parameters
278 $this->sortData();
279 }
280 }
282 // Do not do anything if we're not posted - or have no permission
283 if (strpos($this->acl, 'w') !== false && isset($_POST['reorder_'.$this->id])){
285 if (isset($_POST['position_'.$this->id]) && is_numeric($_POST['position_'.$this->id])) {
286 $this->scrollPosition= $_POST['position_'.$this->id];
287 }
289 // Move requested?
290 $move= $_POST['reorder_'.$this->id];
291 if ($move != "") {
292 preg_match_all('/=([0-9]+)[&=]/', $move, $matches);
293 $this->action= "reorder";
294 $tmp= array();
295 foreach ($matches[1] as $id => $row) {
296 $tmp[$id]= $this->mapping[$row];
297 }
298 $this->mapping= $tmp;
299 $this->current_mapping= $matches[1];
300 $this->modified= true;
301 return;
302 }
303 }
305 // Delete requested?
306 if (strpos($this->acl, 'd') !== false){
307 foreach ($_POST as $key => $value) {
308 if (preg_match('/^del_'.$this->id.'_([0-9]+)_x.*$/', $key, $matches)) {
309 $this->active_index= $this->mapping[$matches[1]];
310 $this->action= "delete";
311 if ($this->instantDelete) {
312 $this->deleteEntry($this->active_index);
313 }
314 }
315 }
316 }
318 // Edit requested?
319 if (strpos($this->acl, 'w') !== false){
320 foreach ($_POST as $key => $value) {
321 if (preg_match('/^edit_'.$this->id.'_([0-9]+)_x.*$/', $key, $matches)) {
322 $this->active_index= $this->mapping[$matches[1]];
323 $this->action= "edit";
324 }
325 }
326 }
327 }
330 public function getAction()
331 {
332 // Do not do anything if we're not posted
333 if(!isset($_POST['reorder_'.$this->id])) {
334 return;
335 }
337 // For reordering, return current mapping
338 if ($this->action == 'reorder') {
339 return array("targets" => $this->current_mapping, "mapping" => $this->mapping, "action" => $this->action);
340 }
342 // Edit and delete
343 $result= array("targets" => array($this->active_index), "action" => $this->action);
345 return $result;
346 }
349 private function deleteEntry($id)
350 {
351 // Remove mapping
352 $index= array_search($id, $this->mapping);
353 if ($index !== false) {
354 unset($this->mapping[$index]);
355 $this->mapping= array_values($this->mapping);
356 $this->modified= true;
357 }
358 }
361 public function getMaintainedData()
362 {
363 $tmp= array();
365 foreach ($this->mapping as $src => $dst) {
366 $tmp[$src]= $this->data[$dst];
367 }
369 return $tmp;
370 }
373 public function isModified()
374 {
375 return $this->modified;
376 }
379 public function setAcl($acl)
380 {
381 $this->acl= $acl;
382 }
385 public function sortData()
386 {
387 // Extract data
388 $tmp= array();
389 foreach($this->displayData as $item) {
390 if (isset($item[$this->sortColumn])){
391 $tmp[]= $item[$this->sortColumn];
392 } else {
393 $tmp[]= "";
394 }
395 }
397 // Sort entries
398 if ($this->sortDirection[$this->sortColumn]) {
399 asort($tmp);
400 } else {
401 arsort($tmp);
402 }
404 // Adapt mapping accordingly
405 $this->mapping= array();
406 foreach ($tmp as $key => $value) {
407 $this->mapping[]= $key;
408 }
409 }
412 public function addEntry($entry, $displayEntry= null)
413 {
414 // Prefill with default value if not specified
415 if (!$displayEntry) {
416 $displayEntry= array($entry);
417 }
419 // Append to data and mapping
420 $this->data[]= $entry;
421 $this->displayData[]= $displayData;
422 $this->mapping[]= count($this->mapping);
423 }
426 }