1: <?php
  2: 
  3: /**
  4:  *
  5:  * The rendering class for the ArticleObject class
  6:  *
  7:  * @package alpha::view
  8:  * @since 1.0
  9:  * @author John Collins <dev@alphaframework.org>
 10:  * @version $Id: ArticleView.inc 1670 2013-09-12 20:41:08Z alphadevx $
 11:  * @license http://www.opensource.org/licenses/bsd-license.php The BSD License
 12:  * @copyright Copyright (c) 2012, John Collins (founder of Alpha Framework).
 13:  * All rights reserved.
 14:  *
 15:  * <pre>
 16:  * Redistribution and use in source and binary forms, with or
 17:  * without modification, are permitted provided that the
 18:  * following conditions are met:
 19:  *
 20:  * * Redistributions of source code must retain the above
 21:  *   copyright notice, this list of conditions and the
 22:  *   following disclaimer.
 23:  * * Redistributions in binary form must reproduce the above
 24:  *   copyright notice, this list of conditions and the
 25:  *   following disclaimer in the documentation and/or other
 26:  *   materials provided with the distribution.
 27:  * * Neither the name of the Alpha Framework nor the names
 28:  *   of its contributors may be used to endorse or promote
 29:  *   products derived from this software without specific
 30:  *   prior written permission.
 31:  *
 32:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 33:  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 34:  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 35:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 36:  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 37:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 38:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 39:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 40:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 41:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 42:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 43:  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 44:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 45:  * </pre>
 46:  *
 47:  */
 48: class ArticleView extends AlphaView {
 49:     /**
 50:      * Method to generate the markdown HTML render of the article content
 51:      *
 52:      * @param array $fields Hash array of HTML fields to pass to the template.
 53:      * @since 1.0
 54:      */
 55:     public function markdownView($fields=array()) {
 56:         global $config;
 57: 
 58:         $markdown = new MarkdownFacade($this->BO);
 59: 
 60:         $fields['markdownContent'] = $markdown->getContent();
 61: 
 62:         $this->loadTemplate($this->BO, 'markdown', $fields);
 63:     }
 64: 
 65:     /**
 66:      * Adds a note to the create article screen
 67:      *
 68:      * @since 1.0
 69:      */
 70:     protected function after_createView_callback() {
 71:         echo '<p><strong>Please note</strong> that you will only be able to attach files to the article once it has been created.</p><br>';
 72:     }
 73: 
 74:     /**
 75:      * Renders the list view (adds the dateAdded field for the list template)
 76:      *
 77:      * @param array $fields hash array of HTML fields to pass to the template
 78:      * @since 1.0
 79:      */
 80:     public function listView($fields=array()) {
 81:         $fields['dateAdded'] = $this->BO->getCreateTS()->getDate();
 82:         parent::listView($fields);
 83:     }
 84: 
 85:     /**
 86:      * Renders a form to enable article editing with attachments options
 87:      *
 88:      * @param array $fields hash array of HTML fields to pass to the template
 89:      * @since 1.0
 90:      */
 91:     public function editView($fields=array()) {
 92:         if(method_exists($this, 'before_editView_callback'))
 93:             $this->before_editView_callback();
 94: 
 95:         global $config;
 96: 
 97:         // the form action
 98:         $fields['formAction'] = $_SERVER['REQUEST_URI'];
 99: 
100:         // the form ID
101:         $fields['formID'] = get_class($this->BO).'_'.$this->BO->getID();
102: 
103:         // buffer form fields to $formFields
104:         $fields['formFields'] = $this->renderAllFields('edit');
105: 
106:         // buffer HTML output for Create and Cancel buttons
107:         $fieldname = ($config->get('security.encrypt.http.fieldnames') ? base64_encode(AlphaSecurityUtils::encrypt('saveBut')) : 'saveBut');
108:         $button = new Button('submit', 'Save', $fieldname);
109:         $fields['saveButton'] = $button->render();
110: 
111:         $js = "$('#dialogDiv').text('Are you sure you wish to delete this item?');
112:                 $('#dialogDiv').dialog({
113:                 buttons: {
114:                     'OK': function(event, ui) {
115:                         $('[id=\"".($config->get('security.encrypt.http.fieldnames') ? base64_encode(AlphaSecurityUtils::encrypt('deleteOID')) : 'deleteOID')."\"]').attr('value', '".$this->BO->getOID()."');
116:                         $('#deleteForm').submit();
117:                     },
118:                     'Cancel': function(event, ui) {
119:                         $(this).dialog('close');
120:                     }
121:                 }
122:             })
123:             $('#dialogDiv').dialog('open');
124:             return false;";
125:         $button = new Button($js, "Delete", "deleteBut");
126:         $fields['deleteButton'] = $button->render();
127: 
128:         $button = new Button("document.location = '".FrontController::generateSecureURL('act=ListAll&bo='.get_class($this->BO))."'", "Back to List", "cancelBut");
129:         $fields['cancelButton'] = $button->render();
130: 
131:         $tags = array();
132: 
133:         if(is_object($this->BO->getPropObject('tags')))
134:             $tags = $this->BO->getPropObject('tags')->getRelatedObjects();
135: 
136:         if(count($tags) > 0) {
137:             $button = new Button("document.location = '".FrontController::generateSecureURL('act=EditTags&bo='.get_class($this->BO).'&oid='.$this->BO->getOID())."'", "Edit Tags", "tagsBut");
138:             $fields['tagsButton'] = $button->render();
139:         }
140: 
141:         // buffer security fields to $formSecurityFields variable
142:         $fields['formSecurityFields'] = $this->renderSecurityFields();
143: 
144:         // OID will need to be posted for optimistic lock checking
145:         $fields['version_num'] = $this->BO->getVersionNumber();
146: 
147:         // file attachments section
148:         $fields['fileAttachments'] = $this->renderFileUploadSection();
149: 
150:         $this->loadTemplate($this->BO, 'edit', $fields);
151: 
152:         if(method_exists($this, 'after_editView_callback'))
153:             $this->after_editView_callback();
154:     }
155: 
156:     /**
157:      * Renders the HTML for the file upload section
158:      *
159:      * @return string
160:      * @since 1.0
161:      */
162:     protected function renderFileUploadSection() {
163:         global $config;
164: 
165:         $html = '<tr><td colspan="2">&nbsp;</td></tr><tr><th colspan="2" style="text-align:left;">File Attachments:</th></tr>';
166: 
167:         if (is_dir($this->BO->getAttachmentsLocation())) {
168:             $handle = opendir($this->BO->getAttachmentsLocation());
169: 
170:             $fileCount = 0;
171: 
172:             // loop over the attachments directory
173:             while (false !== ($file = readdir($handle))) {
174:                 if($file != '.' && $file != '..') {
175:                     $fileCount++;
176: 
177:                     $html .= '<tr><td>';
178:                     $html .= '&nbsp;'.$file.'&nbsp;<em>('.number_format(filesize($this->BO->getAttachmentsLocation().'/'.$file)/1024).' KB)</em>';
179:                     $html .= '</td>';
180:                     $html .= '<td>';
181:                     $js = "$('#dialogDiv').text('Are you sure you want to delete the file ".$file."');
182:                             $('#dialogDiv').dialog({
183:                             buttons: {
184:                                 'OK': function(event, ui) {
185:                                     $('[id=\"".($config->get('security.encrypt.http.fieldnames') ? base64_encode(AlphaSecurityUtils::encrypt('file_to_delete')) : 'file_to_delete')."\"]').attr('value', '".$file."');
186:                                     $('#".get_class($this->BO).'_'.$this->BO->getID()."').submit();
187:                                 },
188:                                 'Cancel': function(event, ui) {
189:                                     $(this).dialog('close');
190:                                 }
191:                             }
192:                         })
193:                         $('#dialogDiv').dialog('open');
194:                         return false;";
195:                     $button = new Button($js, "Delete", "delete".$fileCount."But");
196:                     $html .= $button->render();
197:                     $html .= '</td></tr>';
198:                 }
199:             }
200: 
201:             $html .= '<tr><td>';
202:             $html .= 'Attachment file location';
203:             $html .= '</td>';
204:         }else{
205:             // we will take this opportunity to create the attachments folder is it does
206:             // not already exist.
207:             $this->BO->createAttachmentsFolder();
208:         }
209: 
210:         $html .= '<td>';
211:         $html .= '<input name="userfile" type="file" value="Browse..." size="70"/>';
212:         $html .= '</td></tr>';
213: 
214:         $html .= '<tr><td colspan="2">';
215:         $temp = new Button('submit', 'Upload', 'uploadBut');
216:         $html .= $temp->render();
217:         $html .= '</td></tr>';
218: 
219:         $fieldname = ($config->get('security.encrypt.http.fieldnames') ? base64_encode(AlphaSecurityUtils::encrypt('file_to_delete')) : 'file_to_delete');
220:         $html .= '<input type="hidden" name="'.$fieldname.'" id="'.$fieldname.'" value=""/>';
221: 
222:         return $html;
223:     }
224: }
225: 
226: ?>