6f070214b3fbb88ffac2a47a7265c7b95c90f96c
1 <?php
3 /*! \brief Exception implementation for ObjectListViewport
4 \author Cajus Pollmeier <pollmeier@gonicus.de>
5 \version 1.00
6 \date 2007/11/02
8 This class handles the exceptions occuring in ObjectListViewport.
9 */
10 class ObjectListViewportException extends Exception {
11 public function __construct($message, $code = 0) {
12 parent::__construct($message, $code);
13 }
14 }
17 /*! \brief Implementation for ObjectListViewport
18 \author Cajus Pollmeier <pollmeier@gonicus.de>
19 \version 1.00
20 \date 2007/11/02
22 This class handles painting of ObjectList objects.
24 \sa ObjectList
25 */
26 class ObjectListViewport {
28 /* Dummy here ----> */
29 private $headline;
30 private $footer;
31 private $entryFormat;
32 private $attributes= array('cn', '_icon', '_actions', 'dn');
34 /* <---- Dummy here */
36 /*!
37 \brief Container for objects
39 This variable stores the ObjectList object to be displayed.
40 */
41 private $objects;
43 /*!
44 \brief Switch to handle multiselect or not
45 */
46 private $multiselect;
49 /*! \brief ObjectListViewport constructor
51 The ObjectListViewport class renders/handles the ObjectList defined by $config.
53 \param config Config section that is used to configure this ObjectListViewport
54 */
55 public function __construct($config, $multiselect= TRUE){
57 $this->multiselect= $multiselect;
58 /* Dummy here */
59 $cr= Registry::getInstance("ConfigManager");
60 $cr->setSection($config);
61 $this->headline= $this->parseHeadline($cr->getValue("headline"));
62 $this->footer= $cr->getValue("footer");
63 $this->entryFormat= $cr->getValue("entryFormat");
65 /* Load and instanciate classes, extract filter, icons, view hooks, etc. */
66 $this->objects= new ObjectList($config);
67 }
69 /*! \brief Handles _POST / _GET events
71 Processes the list of registered plugins to do their eventHandler and adapt
72 internal objectlist according to this.
73 */
74 public function eventHandler(){
75 /* Reloads the list if things have changed interally */
76 $this->objects->reload();
77 }
80 /*! \brief Renders headline into a string
82 Gets the headline description from the ObjectList object and renders it.
84 \return HTML rendered headline
85 */
86 private function renderHeadline(){
87 $buffer ="<tr>\n";
88 foreach($this->headline as $key => $value){
89 $buffer .= "<td style='".$value['style']."'>".$value['name']."</td>\n";
90 }
91 $buffer.="</tr>\n";
92 return $buffer;
93 }
96 /*! \brief Renders footer into a string
98 Gets the footer description from the ObjectList object and renders it.
100 \return HTML rendered footer
101 */
102 private function renderFooter(){
104 $buffer ="<tr>\n";
105 $buffer .= "<td colspan='".count($this->headline)."'>".$this->footer."</td>\n";
106 $buffer.="</tr>\n";
107 return $buffer;
108 }
111 private function getEntryIcon($entry,$alt = ""){
112 return("<img src='images/".$entry['_icon']."' alt='".$alt."' class='center'>");
113 }
116 /*! \brief Renders entries from the ObjectList iterator into a string
117 Gets the entry descriptions from the ObjectList object and renders them.
118 \return HTML rendered list entries
119 */
120 private function renderEntry($entry){
122 /* Copy template */
123 $buffer= $this->entryFormat;
125 /* Replace set of attributes */
126 foreach ($this->attributes as $attribute){
127 if (!isset($entry[$attribute])){
128 throw new ObjectListViewportException(sprintf(_("Can't locate attribute '%s' to replace in entry!"), $attribute));
129 } else {
131 if(preg_match("/_icon/i",$attribute)){
132 $buffer= preg_replace('/\{'.$attribute.'\}/', $this->getEntryIcon($entry),$buffer);
133 }else{
134 $buffer= preg_replace('/\{'.$attribute.'\}/', $entry[$attribute],$buffer);
135 }
136 }
137 }
139 /* Execute optional filters */
140 preg_match_all ( '/\{_filter\(([^)]+)\)\}/', $buffer, $matches, PREG_SET_ORDER);
141 foreach ($matches as $match){
142 $filterName= preg_replace('/,.+$/', '', $match[1]);
143 $filterParameter= preg_replace('/^[^,]+,/', '', $match[1]);
144 $buffer= preg_replace('/\{_filter\('.normalizePreg($match[1]).'\)\}/', $this->applyEntryFilter($filterName, $filterParameter), $buffer);
145 }
147 #TODO: Make $buffer a proper HTML table output
149 $tmp = split("\|",trim($buffer,"|"));
151 $buffer ="<tr>\n";
152 foreach($tmp as $key => $value){
153 $buffer .= "<td class='ObjectListViewportEntry' style='".$this->headline[$key]['style']."'>".$value."</td>\n";
154 }
155 $buffer.="</tr>\n";
157 return $buffer."\n";
158 }
161 /*! \brief Applies filter to the given entry format string.
163 Instanciates the given ObjectListEntryFilter and calls the method.
165 \return rendered output
166 \sa ObjectListEntryFilter
167 */
168 private function applyEntryFilter($filterName, $string){
169 $className= "ObjectListEntryFilter_".$filterName;
170 $cl= new $className;
171 return $cl->filter("$string");
172 }
175 /*! \brief Renders complete ObjectList into a string
177 \return HTML rendered list
178 */
179 public function render() {
181 /* Generate fixed headline */
182 $buffer= $this->renderHeadline();
184 /* Apply current filter */
185 $objects= new ObjectListFilterIterator($this->objects->getIterator());
187 foreach ($objects as $value){
188 $buffer.= $this->renderEntry($value);
189 }
191 /* Generate footer */
192 $buffer.= $this->renderFooter();
195 return ("<table class='ObjectListViewportTable'>".$buffer."</table>");
196 }
199 /*! \brief Parses the given headline format string
201 \return Array with cell properties (width, alignment,name)
202 */
203 private function parseHeadline($data)
204 {
205 /* Each cell definition is seperated by |
206 * split by and go through each definition
207 */
208 $tmp = split("\|",trim($data,"|"));
209 $cell_formats = array();
210 foreach($tmp as $key => $data){
212 $s_width = "";
213 $s_alignment= "";
214 $s_name = preg_replace("/\{[^\}]*+\}/","",$data);
215 $s_style = "";
217 /* Parse format string and detect width & alignment */
218 if(preg_match("/\{.*\}/",$data)){
219 $s_format= preg_replace("/^[^\{]*+\{([^\}]*).*$/","\\1",$data);
221 /* Get aligment */
222 if(preg_match("/:/",$s_format)){
223 $s_al = preg_replace("/^[^:]*+:([a-z]*).*$/i","\\1",$s_format);
225 if(preg_match("/T/i",$s_al)){
226 $s_alignment.= "top-" ;
227 $s_style.= "vertical-align: top;";
228 }
229 if(preg_match("/B/i",$s_al)){
230 $s_alignment.= "bottom-" ;
231 $s_style.= "vertical-align: bottom;";
232 }
233 if(preg_match("/R/i",$s_al)){
234 $s_alignment.= "right" ;
235 $s_style.= "text-align: right;";
236 }elseif(preg_match("/L/i",$s_al)){
237 $s_alignment.= "left" ;
238 $s_style.= "text-align: left;";
239 }elseif(preg_match("/C/i",$s_al) || preg_match("/M/i",$s_al) ){
240 $s_alignment.= "center" ;
241 $s_style.= "text-align: center;";
242 }
243 }
245 /* Get width */
246 $s_width = preg_replace("/^([^:]*).*$/","\\1",$s_format);
247 if(!empty($s_width)){
248 $s_style = "width: ".$s_width.";";
249 }
251 $cell_formats[$key] = array("name" => $s_name, "width" => $s_width, "alignment" => $s_alignment,"style" => $s_style);
252 }
253 }
254 return($cell_formats);
255 }
259 }
261 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
262 ?>