1: <?php
 2: /*************************************************************************************/
 3: /*                                                                                   */
 4: /*      Thelia                                                                       */
 5: /*                                                                                   */
 6: /*      Copyright (c) OpenStudio                                                     */
 7: /*      email : info@thelia.net                                                      */
 8: /*      web : http://www.thelia.net                                                  */
 9: /*                                                                                   */
10: /*      This program is free software; you can redistribute it and/or modify         */
11: /*      it under the terms of the GNU General Public License as published by         */
12: /*      the Free Software Foundation; either version 3 of the License                */
13: /*                                                                                   */
14: /*      This program is distributed in the hope that it will be useful,              */
15: /*      but WITHOUT ANY WARRANTY; without even the implied warranty of               */
16: /*      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                */
17: /*      GNU General Public License for more details.                                 */
18: /*                                                                                   */
19: /*      You should have received a copy of the GNU General Public License            */
20: /*      along with this program. If not, see <http://www.gnu.org/licenses/>.         */
21: /*                                                                                   */
22: /*************************************************************************************/
23: 
24: namespace Thelia\Tpex\Element;
25: 
26: use Thelia\Tpex\TpexToken;
27: use Thelia\Tpex\Exception\TokenSyntaxException;
28: 
29: class ConditionalLoopElement extends BaseElement
30: {
31: 
32:     public $name;
33: 
34:     public $value;
35: 
36:     public function __construct($name)
37:     {
38:         $this->name = $name;
39:         $this->content = array();
40:     }
41: 
42:     public function addContent($content)
43:     {
44:         $this->content[] = $content;
45:     }
46: 
47:     public function exec($substitutions = array())
48:     {
49:         //exec first ElementCollection.
50:         $ifCondition = $this->content[0]->exec($substitutions);
51: 
52:         //Find affected loop or first loop if name doesn't match
53:         $firstLoop = false;
54:         $testLoop = false;
55:         $countLoop = 0;
56: 
57:         foreach ($this->content[0]->getElements() as $element) {
58:             if ($element->type() == TpexToken::TPEX_SIMPLE_LOOP) {
59:                 $countLoop++;
60: 
61:                 if ($firstLoop === false) { $firstLoop = $element; }
62: 
63:                 if ($element->name == $this->name) {
64:                     $testLoop = $element;
65: 
66:                     break;
67:                 }
68:             }
69:         }
70: 
71:         $empty = true;
72: 
73:         if ($countLoop == 0) {
74:             $empty = trim($ifCondition) != '';
75: 
76:         } elseif ($testLoop === false) {
77:             if ($firstLoop === false) {
78:                 throw new TokenSyntaxException(sprintf("loop thelia_%s not found for conditional loop T_%s",
79:                     $this->name, $this->name));
80:             } else {
81:                 $empty = $firstLoop->empty;
82:             }
83:         } else {
84:             $empty = $testLoop->empty;
85:         }
86: 
87:         if ($empty) {
88:             return $this->content[1]->exec($substitutions);
89:         } else {
90:             return $ifCondition;
91:         }
92:     }
93: 
94:     public function type()
95:     {
96:         return TpexToken::TPEX_COND_LOOP;
97:     }
98: }
99: