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6855525e JL |
1 | <?php |
2 | /* | |
3 | * Copyright (C) 2003-2004 Polytechnique.org | |
4 | * http://opensource.polytechnique.org/ | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
21 | ||
22 | require_once 'Smarty.class.php'; | |
23 | ||
24 | /** Base class for all of Diogenes' pages. This class is purposefully | |
25 | * kept very generic as it is part of the Diogenes library which is | |
26 | * also used by Lycee-vanGogh.net. | |
27 | */ | |
28 | class DiogenesCorePage extends Smarty { | |
29 | /** The constructor. | |
30 | */ | |
31 | function DiogenesCorePage() { | |
32 | global $globals; | |
33 | ||
34 | // smarty definitions | |
35 | $this->Smarty(); | |
36 | $this->template_dir = $globals->root."/templates"; | |
37 | $this->config_dir = $globals->root."/configs"; | |
38 | $this->compile_dir = $globals->spoolroot."/templates_c"; | |
39 | ||
40 | $this->register_function("extval","diogenes_func_extval"); | |
41 | $this->register_function("flags","diogenes_func_flags"); | |
42 | $this->register_function("a","diogenes_func_a"); | |
43 | $this->register_function("checkbox","diogenes_func_checkbox"); | |
44 | $this->register_function("diff","diogenes_func_diff"); | |
45 | $this->register_function("menu_item","diogenes_func_menu_item"); | |
46 | $this->register_function("tag","diogenes_func_tag"); | |
47 | $this->register_function("toolbar","diogenes_func_toolbar"); | |
48 | $this->debugging_ctrl = true; | |
49 | ||
50 | // smarty assignments | |
51 | $this->assign('script_self',$this->script_self()); | |
52 | } | |
53 | ||
54 | ||
55 | /** Check that $_SESSION['session'] is usable | |
56 | */ | |
57 | function checkSession() | |
58 | { | |
59 | return isset($_SESSION['session']) && is_object($_SESSION['session']); | |
60 | } | |
61 | ||
62 | ||
63 | /** Return the current script location. | |
64 | */ | |
65 | function script_self() { | |
66 | $url = explode("?",$this->script_uri()); | |
67 | return $url[0]; | |
68 | } | |
69 | ||
70 | ||
71 | /** Return the current URI. | |
72 | */ | |
73 | function script_uri() { | |
74 | return $_SERVER['REQUEST_URI']; | |
75 | } | |
76 | ||
77 | ||
78 | /** Returns the URL to a page relative to current location. | |
79 | * | |
80 | * @param rel | |
81 | */ | |
82 | function url($rel) { | |
83 | global $globals; | |
84 | ||
85 | return $globals->rooturl.$rel; | |
86 | } | |
87 | ||
88 | } | |
89 | ||
90 | ||
91 | /** Displays an anchor tag. | |
92 | * | |
93 | * Parameters: | |
94 | * +lnk an array containing([href],text,icon) | |
95 | * +class | |
96 | * | |
97 | * @param params the function input | |
98 | */ | |
99 | function diogenes_func_a($params) | |
100 | { | |
101 | extract($params); | |
102 | if (empty($lnk)) | |
103 | return; | |
104 | ||
105 | if (is_array($lnk)) { | |
106 | $text = $lnk[0]; | |
107 | $href = $lnk[1]; | |
108 | $icon = isset($lnk[2]) ? $lnk[2] : ''; | |
109 | } else { | |
110 | $text = $lnk; | |
111 | } | |
112 | ||
113 | if (empty($href) && empty($class)) | |
114 | $class = "empty"; | |
115 | ||
116 | // we have either an href or a class | |
117 | return "<a" | |
118 | .( empty($class) ? "" : " class=\"$class\"") | |
119 | .( empty($href) ? "" : " href=\"$href\"") | |
120 | .">" | |
121 | .( empty($icon) ? $text : "<img src=\"$icon\" alt=\"$text\" title=\"$text\" />" ) | |
122 | ."</a>"; | |
123 | } | |
124 | ||
125 | ||
126 | /** Displays a checkbox. | |
127 | * | |
128 | * @param params the function input | |
129 | */ | |
130 | function diogenes_func_checkbox($params) | |
131 | { | |
132 | extract($params); | |
133 | ||
134 | if (empty($name)) $name = ""; | |
135 | if (empty($value)) $value = 1; | |
136 | $checked = (!empty($checked)); | |
137 | ||
138 | return "<input type=\"checkbox\"". | |
139 | ($name ? " name=\"$name\"" : ""). | |
140 | ($checked ? " checked=\"checked\"" : ""). | |
141 | " value=\"$value\" />"; | |
142 | } | |
143 | ||
144 | ||
145 | /** Format some diff lines for output. | |
146 | * | |
147 | * @param params | |
148 | */ | |
149 | function diogenes_func_diff($params) | |
150 | { | |
151 | extract($params); | |
152 | ||
153 | if (empty($block) || empty($op)) | |
154 | return; | |
155 | $lines=explode("\n",$block); | |
156 | $out=$out2=""; | |
157 | foreach($lines as $line) { | |
158 | switch(substr($line,0,2)) { | |
159 | case "> ": | |
160 | if ($op == "a") | |
161 | $class = "add"; | |
162 | else | |
163 | $class = "change"; | |
164 | break; | |
165 | case "< ": | |
166 | if ($op == "d") | |
167 | $class = "delete"; | |
168 | else | |
169 | $class = "change"; | |
170 | break; | |
171 | default: | |
172 | $class = "other"; | |
173 | } | |
174 | // strip 2 leading chars | |
175 | $line = substr($line,2); | |
176 | // if necessary, drop trailing newline char | |
177 | if (substr($line,-1) == "\n") | |
178 | $line = substr($line,0,-1); | |
179 | ||
180 | if (isset($old)) { | |
181 | if ($old != $class) | |
182 | $out .= "</div>"; | |
183 | else | |
184 | $out .= "<br />\n"; | |
185 | } | |
186 | if ($line) { | |
187 | if (!isset($old) || ($old != $class)) | |
188 | $out .= "<div class=\"$class\">"; | |
189 | $out .= htmlentities($line); | |
190 | } | |
191 | $old = $class; | |
192 | } | |
193 | return $out; | |
194 | } | |
195 | ||
196 | ||
197 | /** Displays a set of external values from a database | |
198 | * | |
199 | * @params a set of options read from a database | |
200 | */ | |
201 | function diogenes_func_extval($params) { | |
202 | global $globals,$diogenes_db_cache; | |
203 | if(empty($diogenes_db_cache)) $diogenes_db_cache = Array(); | |
204 | ||
205 | extract($params); | |
206 | if(empty($table) | empty($field) | empty($vtable) | empty($vjoinid) | empty($vfield)) | |
207 | return; | |
208 | ||
209 | $cache_id = "$vtable,$vjoinid,$vfield"; | |
210 | ||
211 | if(empty($diogenes_db_cache[$cache_id])) { | |
212 | $res = $globals->db->query("select $vjoinid,$vfield from $vtable order by $vfield"); | |
213 | $diogenes_db_cache[$cache_id] = Array(); | |
214 | while(list($id,$val) = mysql_fetch_row($res)) | |
215 | $diogenes_db_cache[$cache_id][$id] = $val; | |
216 | } | |
217 | ||
218 | $html_out = ""; | |
219 | // if we have a name, display opening select tag | |
220 | if (isset($value)) | |
221 | return $diogenes_db_cache[$cache_id][$value]; | |
222 | ||
223 | if(empty($name)) | |
224 | return; | |
225 | ||
226 | $html_out .= "<select name=\"$name\">\n"; | |
227 | foreach($diogenes_db_cache[$cache_id] as $id=>$val) | |
228 | $html_out .= " <option value=\"$id\"". | |
229 | ($selected==$id ? " selected=\"selected\"":"") | |
230 | .">".htmlentities($val)."</option>\n"; | |
231 | $html_out .= "</select>\n"; | |
232 | ||
233 | return $html_out; | |
234 | } | |
235 | ||
236 | /** Displays a set of options read from a database. | |
237 | * | |
238 | * @param params the function input | |
239 | */ | |
240 | function diogenes_func_flags($params) | |
241 | { | |
242 | global $globals; | |
243 | extract($params); | |
244 | ||
245 | if (empty($table) | empty($field)) | |
246 | return; | |
247 | if (empty($selected)) | |
248 | $selected = ""; | |
249 | ||
250 | $res = $globals->db->query("show columns from $table like '$field'"); | |
251 | $set = mysql_fetch_row($res); | |
252 | $set = $set[1]; | |
253 | ||
254 | // examine the type of field | |
255 | if (substr($set,0,5)=="enum(") { | |
256 | $multi = false; | |
257 | $set = substr($set,5); | |
258 | } else if (substr($set,0,4) == "set(") { | |
259 | $multi = true; | |
260 | $set = substr($set,4); | |
261 | } else { | |
262 | return "field neither set nor enum"; | |
263 | } | |
264 | ||
265 | $html_out = ""; | |
266 | // if we have a name, display opening select tag | |
267 | if (!empty($name)) | |
268 | $html_out .= "<select name=\"$name".($multi ? "[]\" multiple=\"multiple\"" : "\"").">\n"; | |
269 | ||
270 | $set = ereg_replace('\)$', '', $set); | |
271 | $set = explode(',', $set); | |
272 | for ($vals = explode(',', $selected); list(, $k) = each($vals);) { | |
273 | $vset[$k] = 1; | |
274 | } | |
275 | ||
276 | $countset = count($set); | |
277 | for($j=0; $j < $countset; $j++) { | |
278 | $subset = substr($set[$j], 1, -1); | |
279 | // Removes automatic MySQL escape format | |
280 | $subset = str_replace('\'\'', '\'', str_replace('\\\\', '\\', $subset)); | |
281 | $html_out .= "<option value=\"$subset\"" | |
282 | . ((isset($vset[$subset]) && $vset[$subset]) ? " selected=\"selected\"" : "") | |
283 | . ">".(isset($trans) ? $trans[$subset] : htmlspecialchars($subset))."</option>\n"; | |
284 | } | |
285 | ||
286 | // if we have a name, display closing select tag | |
287 | if (!empty($name)) | |
288 | $html_out .= "</select>\n"; | |
289 | ||
290 | return $html_out; | |
291 | } | |
292 | ||
293 | ||
294 | /** Displays a menu item. | |
295 | * | |
296 | * Parameters: | |
297 | * +item a menu item, that is an array (item_level, item_link, item_text) | |
298 | * | |
299 | * @param params the function input | |
300 | */ | |
301 | function diogenes_func_menu_item($params) | |
302 | { | |
303 | extract($params); | |
304 | if (empty($item)) | |
305 | return; | |
306 | ||
307 | $level = array_shift($item); | |
308 | if ($level == 0) | |
309 | $class = "top"; | |
310 | else | |
311 | $class = ($level % 2) ? "odd" : "even"; | |
312 | ||
313 | // process link | |
314 | $lnk = array( $item[0] ); | |
315 | if ( isset($item[1]) ) | |
316 | array_push($lnk, $item[1]); | |
317 | ||
318 | $margin = $level * 20; | |
319 | return "<div class=\"item\" style=\"margin-left: {$margin}px\">". | |
320 | diogenes_func_a(array("lnk"=>$lnk,"class"=>$class))."</div>"; | |
321 | ||
322 | } | |
323 | ||
324 | ||
325 | /** Displays a generic XHTML tag. | |
326 | * | |
327 | * Parameters | |
328 | * +tag : the type of tag (required) | |
329 | * +props : the tag's properties (optional) | |
330 | * +content : the tag's contents (optional) | |
331 | * | |
332 | * OR | |
333 | * | |
334 | * +item : associative array containing (tag, props, content) | |
335 | */ | |
336 | function diogenes_func_tag($params) | |
337 | { | |
338 | extract($params); | |
339 | ||
340 | if (isset($item) && is_array($item)) | |
341 | extract($item); | |
342 | ||
343 | if (empty($tag)) | |
344 | return; | |
345 | ||
346 | $out = "<$tag"; | |
347 | ||
348 | if (is_array($props)) { | |
349 | foreach($props as $key=>$val) | |
350 | $out .= " $key=\"$val\""; | |
351 | } | |
352 | ||
353 | $out .= empty($content) ? " />" : ">$content</$tag>"; | |
354 | ||
355 | return $out; | |
356 | } | |
357 | ||
358 | ||
359 | /** Displays a toolbar from a collection of links. | |
360 | * | |
361 | * Parameters: | |
362 | * +lnk a link or an array of links | |
363 | * +class the CSS class for the links | |
364 | * | |
365 | * @param params the function input | |
366 | */ | |
367 | function diogenes_func_toolbar($params) | |
368 | { | |
369 | extract($params); | |
370 | if (empty($lnk)) | |
371 | return; | |
372 | ||
373 | if (!is_array($lnk)) | |
374 | $lnk = array($lnk); | |
375 | ||
376 | // the separator | |
377 | $sep = " | "; | |
378 | $out = $sep; | |
379 | foreach($lnk as $mylnk) { | |
380 | if (empty($class)) | |
381 | $out .= diogenes_func_a(array("lnk"=>$mylnk)); | |
382 | else | |
383 | $out .= diogenes_func_a(array("lnk"=>$mylnk,"class"=>$class)); | |
384 | $out .= $sep; | |
385 | } | |
386 | return $out; | |
387 | } | |
388 | ||
389 | ?> |