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1 | <?php |
2 | /* | |
3 | +--------------------------------------------------------------------+ | |
232624b1 | 4 | | CiviCRM version 4.4 | |
6a488035 TO |
5 | +--------------------------------------------------------------------+ |
6 | | Copyright CiviCRM LLC (c) 2004-2013 | | |
7 | +--------------------------------------------------------------------+ | |
8 | | This file is a part of CiviCRM. | | |
9 | | | | |
10 | | CiviCRM is free software; you can copy, modify, and distribute it | | |
11 | | under the terms of the GNU Affero General Public License | | |
12 | | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. | | |
13 | | | | |
14 | | CiviCRM is distributed in the hope that it will be useful, but | | |
15 | | WITHOUT ANY WARRANTY; without even the implied warranty of | | |
16 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | | |
17 | | See the GNU Affero General Public License for more details. | | |
18 | | | | |
19 | | You should have received a copy of the GNU Affero General Public | | |
20 | | License and the CiviCRM Licensing Exception along | | |
21 | | with this program; if not, contact CiviCRM LLC | | |
22 | | at info[AT]civicrm[DOT]org. If you have questions about the | | |
23 | | GNU Affero General Public License or the licensing of CiviCRM, | | |
24 | | see the CiviCRM license FAQ at http://civicrm.org/licensing | | |
25 | +--------------------------------------------------------------------+ | |
26 | */ | |
27 | ||
28 | /** | |
29 | * | |
30 | * @package CRM | |
31 | * @copyright CiviCRM LLC (c) 2004-2013 | |
32 | * $Id$ | |
33 | * | |
34 | */ | |
35 | ||
36 | /** | |
37 | * A Page is basically data in a nice pretty format. | |
38 | * | |
39 | * Pages should not have any form actions / elements in them. If they | |
40 | * do, make sure you use CRM_Core_Form and the related structures. You can | |
41 | * embed simple forms in Page and do your own form handling. | |
42 | * | |
43 | */ | |
44 | class CRM_Core_Page { | |
45 | ||
46 | /** | |
47 | * The name of the page (auto generated from class name) | |
48 | * | |
49 | * @var string | |
50 | * @access protected | |
51 | */ | |
52 | protected $_name; | |
53 | ||
54 | /** | |
55 | * the title associated with this page | |
56 | * | |
57 | * @var object | |
58 | * @access protected | |
59 | */ | |
60 | protected $_title; | |
61 | ||
62 | /** | |
63 | * A page can have multiple modes. (i.e. displays | |
64 | * a different set of data based on the input | |
65 | * @var int | |
66 | * @access protected | |
67 | */ | |
68 | protected $_mode; | |
69 | ||
70 | /** | |
71 | * Is this object being embedded in another object. If | |
72 | * so the display routine needs to not do any work. (The | |
73 | * parent object takes care of the display) | |
74 | * | |
75 | * @var boolean | |
76 | * @access protected | |
77 | */ | |
78 | protected $_embedded = FALSE; | |
79 | ||
80 | /** | |
81 | * Are we in print mode? if so we need to modify the display | |
82 | * functionality to do a minimal display :) | |
83 | * | |
84 | * @var boolean | |
85 | * @access protected | |
86 | */ | |
87 | protected $_print = FALSE; | |
88 | ||
89 | /** | |
90 | * cache the smarty template for efficiency reasons | |
91 | * | |
92 | * @var CRM_Core_Smarty | |
93 | * @access protected | |
94 | * @static | |
95 | */ | |
96 | static protected $_template; | |
97 | ||
98 | /** | |
99 | * cache the session for efficiency reasons | |
100 | * | |
101 | * @var CRM_Core_Session | |
102 | * @access protected | |
103 | * @static | |
104 | */ | |
105 | static protected $_session; | |
106 | ||
fc05b8da CW |
107 | /** |
108 | * What to return to the client if in ajax mode (snippet=json) | |
109 | * | |
110 | * @var array | |
111 | */ | |
112 | public $ajaxResponse = array(); | |
113 | ||
7d93bcc4 CW |
114 | /** |
115 | * Url path used to reach this page | |
116 | * | |
117 | * @var array | |
118 | */ | |
119 | public $urlPath = array(); | |
120 | ||
6a488035 TO |
121 | /** |
122 | * class constructor | |
123 | * | |
124 | * @param string $title title of the page | |
125 | * @param int $mode mode of the page | |
126 | * | |
127 | * @return CRM_Core_Page | |
128 | */ | |
129 | function __construct($title = NULL, $mode = NULL) { | |
130 | $this->_name = CRM_Utils_System::getClassName($this); | |
131 | $this->_title = $title; | |
132 | $this->_mode = $mode; | |
133 | ||
134 | // let the constructor initialize this, should happen only once | |
135 | if (!isset(self::$_template)) { | |
136 | self::$_template = CRM_Core_Smarty::singleton(); | |
137 | self::$_session = CRM_Core_Session::singleton(); | |
138 | } | |
139 | ||
0e017a41 CW |
140 | // FIXME - why are we messing with 'snippet'? Why not just pass it directly into $this->_print? |
141 | if (!empty($_REQUEST['snippet'])) { | |
03a7ec8f | 142 | if ($_REQUEST['snippet'] == CRM_Core_Smarty::PRINT_PDF) { |
6a488035 TO |
143 | $this->_print = CRM_Core_Smarty::PRINT_PDF; |
144 | } | |
03a7ec8f | 145 | // FIXME - why does this number not match the constant? |
0e017a41 | 146 | elseif ($_REQUEST['snippet'] == 5) { |
6a488035 TO |
147 | $this->_print = CRM_Core_Smarty::PRINT_NOFORM; |
148 | } | |
fc05b8da CW |
149 | // Support 'json' as well as legacy value '6' |
150 | elseif (in_array($_REQUEST['snippet'], array(CRM_Core_Smarty::PRINT_JSON, 6))) { | |
0e017a41 CW |
151 | $this->_print = CRM_Core_Smarty::PRINT_JSON; |
152 | } | |
6a488035 TO |
153 | else { |
154 | $this->_print = CRM_Core_Smarty::PRINT_SNIPPET; | |
155 | } | |
156 | } | |
157 | ||
158 | // if the request has a reset value, initialize the controller session | |
a7488080 | 159 | if (!empty($_REQUEST['reset'])) { |
6a488035 TO |
160 | $this->reset(); |
161 | } | |
162 | } | |
163 | ||
164 | /** | |
165 | * This function takes care of all the things common to all | |
166 | * pages. This typically involves assigning the appropriate | |
167 | * smarty variable :) | |
168 | * | |
169 | * @return string The content generated by running this page | |
170 | */ | |
171 | function run() { | |
172 | if ($this->_embedded) { | |
173 | return; | |
174 | } | |
175 | ||
176 | self::$_template->assign('mode', $this->_mode); | |
177 | ||
8aac22c8 | 178 | $pageTemplateFile = $this->getHookedTemplateFileName(); |
6a488035 TO |
179 | self::$_template->assign('tplFile', $pageTemplateFile); |
180 | ||
181 | // invoke the pagRun hook, CRM-3906 | |
182 | CRM_Utils_Hook::pageRun($this); | |
183 | ||
184 | if ($this->_print) { | |
185 | if (in_array( $this->_print, array( CRM_Core_Smarty::PRINT_SNIPPET, | |
0e017a41 | 186 | CRM_Core_Smarty::PRINT_PDF, CRM_Core_Smarty::PRINT_NOFORM, CRM_Core_Smarty::PRINT_JSON ))) { |
6a488035 TO |
187 | $content = self::$_template->fetch('CRM/common/snippet.tpl'); |
188 | } | |
189 | else { | |
190 | $content = self::$_template->fetch('CRM/common/print.tpl'); | |
191 | } | |
192 | ||
193 | CRM_Utils_System::appendTPLFile($pageTemplateFile, | |
194 | $content, | |
195 | $this->overrideExtraTemplateFileName() | |
196 | ); | |
197 | ||
198 | //its time to call the hook. | |
199 | CRM_Utils_Hook::alterContent($content, 'page', $pageTemplateFile, $this); | |
200 | ||
201 | if ($this->_print == CRM_Core_Smarty::PRINT_PDF) { | |
202 | CRM_Utils_PDF_Utils::html2pdf($content, "{$this->_name}.pdf", FALSE, | |
203 | array('paper_size' => 'a3', 'orientation' => 'landscape') | |
204 | ); | |
205 | } | |
0e017a41 | 206 | elseif ($this->_print == CRM_Core_Smarty::PRINT_JSON) { |
fc05b8da CW |
207 | $this->ajaxResponse['content'] = $content; |
208 | CRM_Core_Page_AJAX::returnJsonResponse($this->ajaxResponse); | |
0e017a41 | 209 | } |
6a488035 TO |
210 | else { |
211 | echo $content; | |
212 | } | |
213 | CRM_Utils_System::civiExit(); | |
214 | } | |
215 | ||
216 | $config = CRM_Core_Config::singleton(); | |
217 | ||
218 | // TODO: Is there a better way to ensure these actions don't happen during AJAX requests? | |
219 | if (empty($_GET['snippet'])) { | |
220 | // Version check and intermittent alert to admins | |
221 | CRM_Utils_VersionCheck::singleton()->versionAlert(); | |
8ef12e64 | 222 | |
6a488035 TO |
223 | // Debug msg once per hour |
224 | if ($config->debug && CRM_Core_Permission::check('administer CiviCRM') && CRM_Core_Session::singleton()->timer('debug_alert', 3600)) { | |
225 | $msg = ts('Warning: Debug is enabled in <a href="%1">system settings</a>. This should not be enabled on production servers.', array(1 => CRM_Utils_System::url('civicrm/admin/setting/debug', 'reset=1'))); | |
226 | CRM_Core_Session::setStatus($msg, ts('Debug Mode')); | |
227 | } | |
228 | } | |
229 | ||
230 | $content = self::$_template->fetch('CRM/common/' . strtolower($config->userFramework) . '.tpl'); | |
231 | ||
232 | // Render page header | |
9dc21423 | 233 | if (!defined('CIVICRM_UF_HEAD') && $region = CRM_Core_Region::instance('html-header', FALSE)) { |
6a488035 TO |
234 | CRM_Utils_System::addHTMLHead($region->render('')); |
235 | } | |
236 | CRM_Utils_System::appendTPLFile($pageTemplateFile, $content); | |
237 | ||
238 | //its time to call the hook. | |
239 | CRM_Utils_Hook::alterContent($content, 'page', $pageTemplateFile, $this); | |
240 | ||
241 | echo CRM_Utils_System::theme($content, $this->_print); | |
242 | return; | |
243 | } | |
244 | ||
245 | /** | |
246 | * Store the variable with the value in the form scope | |
247 | * | |
248 | * @param string|array $name name of the variable or an assoc array of name/value pairs | |
249 | * @param mixed $value value of the variable if string | |
250 | * | |
251 | * @access public | |
252 | * | |
253 | * @return void | |
254 | * | |
255 | */ | |
256 | function set($name, $value = NULL) { | |
257 | self::$_session->set($name, $value, $this->_name); | |
258 | } | |
259 | ||
260 | /** | |
261 | * Get the variable from the form scope | |
262 | * | |
263 | * @param string name : name of the variable | |
264 | * | |
265 | * @access public | |
266 | * | |
267 | * @return mixed | |
268 | * | |
269 | */ | |
270 | function get($name) { | |
271 | return self::$_session->get($name, $this->_name); | |
272 | } | |
273 | ||
274 | /** | |
275 | * assign value to name in template | |
276 | * | |
277 | * @param array|string $name name of variable | |
278 | * @param mixed $value value of varaible | |
279 | * | |
280 | * @return void | |
281 | * @access public | |
282 | */ | |
283 | function assign($var, $value = NULL) { | |
284 | self::$_template->assign($var, $value); | |
285 | } | |
286 | ||
287 | /** | |
288 | * assign value to name in template by reference | |
289 | * | |
290 | * @param array|string $name name of variable | |
291 | * @param mixed $value (reference) value of varaible | |
292 | * | |
293 | * @return void | |
294 | * @access public | |
295 | */ | |
296 | function assign_by_ref($var, &$value) { | |
297 | self::$_template->assign_by_ref($var, $value); | |
298 | } | |
299 | ||
4a9538ac CW |
300 | /** |
301 | * appends values to template variables | |
302 | * | |
303 | * @param array|string $tpl_var the template variable name(s) | |
304 | * @param mixed $value the value to append | |
305 | * @param bool $merge | |
306 | */ | |
307 | function append($tpl_var, $value=NULL, $merge=FALSE) { | |
308 | self::$_template->append($tpl_var, $value, $merge); | |
309 | } | |
310 | ||
311 | /** | |
312 | * Returns an array containing template variables | |
313 | * | |
314 | * @param string $name | |
315 | * @param string $type | |
316 | * @return array | |
317 | */ | |
318 | function get_template_vars($name=null) { | |
319 | return self::$_template->get_template_vars($name); | |
320 | } | |
321 | ||
6a488035 TO |
322 | /** |
323 | * function to destroy all the session state of this page. | |
324 | * | |
325 | * @access public | |
326 | * | |
327 | * @return void | |
328 | */ | |
329 | function reset() { | |
330 | self::$_session->resetScope($this->_name); | |
331 | } | |
332 | ||
333 | /** | |
334 | * Use the form name to create the tpl file name | |
335 | * | |
336 | * @return string | |
337 | * @access public | |
338 | */ | |
339 | function getTemplateFileName() { | |
340 | return str_replace('_', | |
341 | DIRECTORY_SEPARATOR, | |
342 | CRM_Utils_System::getClassName($this) | |
343 | ) . '.tpl'; | |
344 | } | |
345 | ||
8aac22c8 | 346 | /** |
347 | * A wrapper for getTemplateFileName that includes calling the hook to | |
348 | * prevent us from having to copy & paste the logic of calling the hook | |
349 | */ | |
350 | function getHookedTemplateFileName() { | |
351 | $pageTemplateFile = $this->getTemplateFileName(); | |
352 | CRM_Utils_Hook::alterTemplateFile(get_class($this), $this, 'page', $pageTemplateFile); | |
353 | return $pageTemplateFile; | |
354 | } | |
355 | ||
6a488035 TO |
356 | /** |
357 | * Default extra tpl file basically just replaces .tpl with .extra.tpl | |
358 | * i.e. we dont override | |
359 | * | |
360 | * @return string | |
361 | * @access public | |
362 | */ | |
363 | function overrideExtraTemplateFileName() { | |
364 | return NULL; | |
365 | } | |
366 | ||
367 | /** | |
368 | * setter for embedded | |
369 | * | |
370 | * @param boolean $embedded | |
371 | * | |
372 | * @return void | |
373 | * @access public | |
374 | */ | |
375 | function setEmbedded($embedded) { | |
376 | $this->_embedded = $embedded; | |
377 | } | |
378 | ||
379 | /** | |
380 | * getter for embedded | |
381 | * | |
382 | * @return boolean return the embedded value | |
383 | * @access public | |
384 | */ | |
385 | function getEmbedded() { | |
386 | return $this->_embedded; | |
387 | } | |
388 | ||
389 | /** | |
390 | * setter for print | |
391 | * | |
392 | * @param boolean $print | |
393 | * | |
394 | * @return void | |
395 | * @access public | |
396 | */ | |
397 | function setPrint($print) { | |
398 | $this->_print = $print; | |
399 | } | |
400 | ||
401 | /** | |
402 | * getter for print | |
403 | * | |
404 | * @return boolean return the print value | |
405 | * @access public | |
406 | */ | |
407 | function getPrint() { | |
408 | return $this->_print; | |
409 | } | |
410 | ||
411 | static function &getTemplate() { | |
412 | return self::$_template; | |
413 | } | |
414 | ||
415 | function getVar($name) { | |
416 | return isset($this->$name) ? $this->$name : NULL; | |
417 | } | |
418 | ||
419 | function setVar($name, $value) { | |
420 | $this->$name = $value; | |
421 | } | |
422 | } | |
423 |