/[cvs]/nfo/php/libs/org.netfrag.patches/phphtmllib/widgets/GenericGUIDataList.php
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Contents of /nfo/php/libs/org.netfrag.patches/phphtmllib/widgets/GenericGUIDataList.php

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Revision 1.3 - (show annotations)
Fri Apr 4 21:26:06 2003 UTC (21 years, 5 months ago) by joko
Branch: MAIN
Changes since 1.2: +50 -10 lines
added comments regarding possible (future) refactoring using the Data::Lift-infrastructure

1 <?
2 /*
3 ## -----------------------------------------------------------------------------
4 ## $Id: GenericGUIDataList.php,v 1.2 2003/04/04 00:45:40 jonen Exp $
5 ## -----------------------------------------------------------------------------
6 ## $Log: GenericGUIDataList.php,v $
7 ## Revision 1.2 2003/04/04 00:45:40 jonen
8 ## + reworked decode functions
9 ##
10 ## Revision 1.1 2003/03/27 01:17:31 jonen
11 ## + inital commit (was orginal 'ObjectList.inc)
12 ##
13 ## Revision 1.1 2003/03/20 04:17:28 jonen
14 ## + initial commit
15 ##
16 ## Revision 1.2 2003/03/02 04:32:22 cvsmax
17 ## + add decode_item functions
18 ##
19 ## Revision 1.1 2003/03/01 22:57:40 cvsmax
20 ## + inital commit
21 ##
22 ##
23 ## -----------------------------------------------------------------------------
24 */
25
26 /**
27 * Need to make sure we have the DefaultGUIDataList object
28 */
29 require_once($phphtmllib."/widgets/data_list/DefaultGUIDataList.inc");
30
31
32 class GenericGUIDataList extends DefaultGUIDataList {
33
34 /**
35 * Args needed for object list.
36 * Current use:
37 * - use some bits to create locator metadata (see below)
38 * - use all options to propagate to an AdapterProxy (here: GenericDataSource)
39 * as a query to receive a list of objects as response to a rpc-call.
40 * Todo: glossary: ban "*list* of objects" - it's an object *set* !!! (see CPAN's Set::Object)
41 *
42 */
43 var $_options = NULL;
44
45 /**
46 * Holds a list of hidden elements
47 *
48 */
49 var $_hidden_elements = array();
50
51 /**
52 * The constructor is used to pass in some additional
53 * metadata informations as "options".
54 * The "locator metadata hash" isn't passed in here
55 * any more. Handling this one occours one level deeper
56 * inside the "GenericDataSource" Proxy.
57 *
58 * It's still possible to set locator metadata directly by
59 * using the optional key 'locator' inside your options hash.
60 * This can be either a DataSource::Locator instance or a plain
61 * hash. However - it gets merged to the master locator
62 * created by GenericDataSource using 'array_join_merge'.
63 *
64 * @param old: LocatorMetadataHash array - layout: array( type => '', metadata => '', dsn => '' )
65 * @param old: Query array - layout: array( type => '', metadata => '', dsn => '' )
66 *
67 * @param new: options array - layout: array( datasource_type => '', [locator => array()] )
68 *
69 *
70 */
71 function GenericGUIDataList($title, $width = "100%", $default_orderby='', $default_reverseorder=FALSE, $options = array()) {
72 if ($options) { $this->_options = $options; }
73 $parent = get_parent_class($this);
74 $this->$parent($title, $width = "100%", $default_orderby='', $default_reverseorder=FALSE);
75 }
76
77 function get_data_source( ) {
78
79 // finally: create phpHtmlLib source handle (XyzDataListSource)
80
81 // V1:
82 //$source = new GenericDataSource($this->_locator, $this->_options);
83 //$this->set_data_source( &$source );
84
85 /*
86 // V2:
87 loadModule("DataSource::GenericDataSource");
88 $source = new DataSource_GenericDataSource($this->_locator, $this->_options);
89 $this->set_data_source( &$source );
90 */
91
92 // V3:
93 /*
94 $proxy = php::mkComponent('DataSource::GenericDataSource', $this->_locator, $this->_options);
95 $source = &$proxy;
96 $this->set_data_source( &$source );
97 */
98
99 // V4:
100 /*
101 $proxy = php::mkComponent('DataSource::GenericDataSource', array( proxy => '', adapter => ''), $this->_options);
102 $source = &$proxy;
103 $this->set_data_source( &$source );
104 */
105
106 // V5:
107 //print "options: " . Dumper($this->_options);
108
109 $initial_locator = php::mkComponent( 'DataSource::Locator', array( adapter_type => 'phpHtmlLib' ) );
110 //print "1st locator: " . Dumper($initial_locator);
111
112 // OLD
113 //$proxy = php::mkComponent('DataSource::Generic', $initial_locator, $this->_options);
114
115 //print "Test Query:";
116 //print Dumper($this->_options['query']);
117 $proxy = php::mkComponent('DataSource::Generic', $initial_locator, $this->_options['data_locator_meta']);
118
119 // debug
120 //print "Proxy: " . Dumper($proxy);
121
122 // V1:
123 //$source = &$proxy;
124
125 // V2:
126 //$source->make_adapter_transparent();
127
128 // V3:
129 $source = $proxy->get_adapter();
130
131 // V4:
132 //$source = $this->_datasource;
133
134 //print "objectlist-source: " . Dumper($source);
135 //exit;
136
137 $this->set_data_source( &$source );
138
139 }
140
141 function user_setup() {
142
143 //return;
144
145 $source = $this->_datasource;
146 //if (!$source) { return; }
147
148 //print Dumper($source);
149 $headers = $source->get_header();
150 //print Dumper($headers);
151
152 $this->set_title( $this->get_title() . ' - ' . $source->get_total_rows() . ' Einträge' );
153
154 foreach($headers as $val) {
155 $this->add_header_item($val, "150", $val, SORTABLE, SEARCHABLE);
156 }
157
158 /*
159 $this->add_header_item("Uid", "200", "uid", SORTABLE, SEARCHABLE);
160 $this->add_header_item("Name", "200", "lastName", SORTABLE, SEARCHABLE, "center");
161 */
162 }
163
164
165 /**
166 * This function ensures that the data we place
167 * in a column is aligned according to what the
168 * user wants.
169 *
170 * @param mixed - $obj - the data for the td.
171 * @param string - $col_name - the name of the column header
172 * for this row to render.
173 * @param int - $odd_row - tells us if this cell lives in
174 * an odd # row (for alternating row colors)
175 * @param int - the column # we are working on.
176 * @return TDtag object
177 */
178 function wrap_column_item($obj, $col_name) {
179
180 //make sure its set to something.
181 if ($obj == '') {
182 $obj = "&nbsp;";
183 }
184
185 // decode item / mungle item data?
186 // TODO: use Data::Lift here!!! (like already done in YAA::JobList and YAA::JobDetails)
187 elseif ($this->_options['decode']) {
188
189 // Proposal using Data::Lift: (see YAA::JobList and YAA::JobDetails)
190 // This class will get shorter and better to maintain!
191
192 // Picture Data::Lift as a container component handling
193 // *specific* en-/decoding stuff for your very core components.
194 // This way we will have almost all "specific mungling code" at one place. nice thing!
195
196 /*
197
198 // 1. expr: string -> object (phpHtmlLib-object: 'html_a'-tag)
199 // returns a phpHtmlLib object of class 'Xyz' containing a http-/html-link
200 // pointing to a View of a different - linked/referenced - object (reference-interpolation)
201 $this->lift1 = php::mkComponent('Data::Lift', $obj, array( metatype => 'expression' ) );
202 $obj = $this->lift1->to('phpHtmlLib::html_a');
203
204 // 2. data: hash -> object (phpHtmlLib-object: 'container'-object containing form)
205 // returns a phpHtmlLib object of class 'Container' containing a html-form made up of
206 // phpHtmlLib form-tags wrapping all attribute-value pairs of the data hash (object-edit)
207 $this->lift2 = php::mkComponent('Data::Lift', $obj, array( metatype => 'item' ) );
208 $obj = $this->lift2->to('phpHtmlLib::form');
209
210 */
211
212
213 // 1. if item is match by expression we will replace it with an link object
214 if ($this->decode_item_expr($obj)) {
215 $obj = $this->decode_item_expr($obj);
216 }
217
218 // 2. if item is an Array we will replace it with an selection form object
219 elseif ( $this->decode_item_array($obj) ) {
220 $obj = $this->decode_item_array($obj);
221 }
222
223 }
224
225 //make sure we don't put a right border on the last
226 //column we are working on.
227 //$style = "padding-left: 3px;padding-right:3px;border-top: 1px solid #dddddd;";
228
229
230 if ($this->_columns[$col_name]["data_name"] == $this->orderby()) {
231 $style = "background-color: #f4f4f4;";
232 } else {
233 $style = "background-color: #ffffff;";
234 }
235
236 $align = $this->_columns[$col_name]["align"];
237 $td = new TDtag(array("align" => $align,
238 "style" => $style,
239 "class" => "datalist_data_cell"));
240
241 if (is_object($obj) && $obj->_tag == "td") {
242 return $obj;
243 } else {
244 $td->add( $obj );
245 }
246 return $td;
247 }
248
249 function add_hidden_element($label, $value) {
250 $this->_hidden_elements[$label] = $value;
251 }
252
253
254 // TODO: refactor to Data::Lift - subcomponent: handling will get way more easy!
255 function decode_item_array($item) {
256 $options = $this->_options['decode_args'];
257 //print "item: " . Dumper($item);
258 //print "options: " . Dumper($options);
259 if( is_array($item) ) {
260 //$cur_row_index = $this->_datasource->get_cur_data_index();
261 //$parent_guid = $this->_datasource->_data[$cur_row_index]['guid'];
262 // build list for selection form
263 if($options['form']) {
264 foreach($item as $key => $value) {
265 $tmp = split($options['seperator'], $value);
266 $ident = $tmp['1'];
267 $meta = $tmp['2'];
268 $list[$key] = $ident;
269 }
270 if(is_array($list) ) {
271 $container = container(
272 form_open( $item[0], $_SERVER["PHP_SELF"], "POST" ),
273 form_hidden("ecdm", $meta),
274 form_select("ecdid", $list),
275 form_submit("submit","view" )
276 );
277 foreach($this->_hidden_elements as $label => $value) {
278 $container->add(form_hidden($label, $value));
279 }
280 $container->add(form_close() );
281 $item = $container;
282 }
283 } else {
284 //print "<b>2</b><br/>";
285 $container = container();
286 foreach($item as $key => $value) {
287 $tmp = split($options['seperator'], $value);
288 $ident = $tmp['1'];
289 $meta = $tmp['2'];
290 foreach($this->_hidden_elements as $label => $value) {
291 $tmp_array[] = $label . "=" . $value;
292 }
293 $str_hidden = join("&", $tmp_array);
294 $container->add("->", html_a($_SERVER["PHP_SELF"] . "?ecdid=" . $ident . "&ecdm=" . $meta . "&" . $str_hidden, $key . " view"), html_br());
295 }
296 $item = $container;
297 }
298 return $item;
299 }
300 }
301
302 // decodes serialized string representations of object-references
303 // TODO: refactor to Data::Lift - subcomponent: handling will get way more easy!
304 function decode_item_expr($item) {
305 $options = $this->_options['decode_args'];
306 //print "item: $item<br/>";
307 if(substr($item, 0, 2) == "o_") {
308 $tmp = split($options['seperator'], $item);
309 $ident = $tmp['1'];
310 $meta = $tmp['2'];
311 foreach($this->_hidden_elements as $label => $value) {
312 $tmp_array[] = $label . "=" . $value;
313 }
314 $str_hidden = join("&", $tmp_array);
315 $item = html_a($_SERVER["PHP_SELF"] . "?ecdid=" . $ident . "&ecdm=" . $meta . "&" . $str_hidden, "view");
316 return $item;
317 }
318 }
319
320 }
321 ?>

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