/[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 1.10 - (show annotations)
Fri Apr 18 18:40:02 2003 UTC (21 years, 5 months ago) by jonen
Branch: MAIN
Changes since 1.9: +5 -8 lines
+ fixed bugs at 'actionbar_cell' relating to html-form and js

1 <?
2 /*
3 ## -------------------------------------------------------------------------
4 ## $Id: GenericGUIDataList.php,v 1.9 2003/04/11 00:44:46 joko Exp $
5 ## -------------------------------------------------------------------------
6 ## $Log: GenericGUIDataList.php,v $
7 ## Revision 1.9 2003/04/11 00:44:46 joko
8 ## minor update: shortened seperators
9 ##
10 ## Revision 1.8 2003/04/09 07:54:42 joko
11 ## cleaned up decoding part
12 ##
13 ## Revision 1.7 2003/04/09 00:37:53 jonen
14 ## + added actionbar
15 ## + some changes according to request vars
16 ##
17 ## Revision 1.6 2003/04/08 17:48:31 jonen
18 ## + bugfix again
19 ##
20 ## Revision 1.5 2003/04/08 17:33:22 jonen
21 ## + fixed problems with hidden form fields(current base URL) at the 'simple search form'
22 ##
23 ## Revision 1.4 2003/04/06 01:41:07 jonen
24 ## - removed duplicated decode functions
25 ##
26 ## Revision 1.3 2003/04/04 21:26:06 joko
27 ## added comments regarding possible (future) refactoring using the Data::Lift-infrastructure
28 ##
29 ## Revision 1.2 2003/04/04 00:45:40 jonen
30 ## + reworked decode functions
31 ##
32 ## Revision 1.1 2003/03/27 01:17:31 jonen
33 ## + inital commit (was orginal 'ObjectList.inc)
34 ##
35 ## Revision 1.1 2003/03/20 04:17:28 jonen
36 ## + initial commit
37 ##
38 ## Revision 1.2 2003/03/02 04:32:22 cvsmax
39 ## + add decode_item functions
40 ##
41 ## Revision 1.1 2003/03/01 22:57:40 cvsmax
42 ## + inital commit
43 ##
44 ## -------------------------------------------------------------------------
45 */
46
47
48 /**
49 * Need to make sure we have the DefaultGUIDataList object
50 */
51 require_once($phphtmllib."/widgets/data_list/DefaultGUIDataList.inc");
52
53
54 class GenericGUIDataList extends DefaultGUIDataList {
55
56 /**
57 * Args needed for object list.
58 * Current use:
59 * - use some bits to create locator metadata (see below)
60 * - use all options to propagate to an AdapterProxy (here: GenericDataSource)
61 * as a query to receive a list of objects as response to a rpc-call.
62 * Todo: glossary: ban "*list* of objects" - it's an object *set* !!! (see CPAN's Set::Object)
63 *
64 */
65 var $_options = NULL;
66
67 /**
68 * Holds a list of hidden elements
69 *
70 */
71 var $_hidden_elements = array();
72
73
74 /**
75 * The constructor is used to pass in some additional
76 * metadata informations as "options".
77 * The "locator metadata hash" isn't passed in here
78 * any more. Handling this one occours one level deeper
79 * inside the "GenericDataSource" Proxy.
80 *
81 * It's still possible to set locator metadata directly by
82 * using the optional key 'locator' inside your options hash.
83 * This can be either a DataSource::Locator instance or a plain
84 * hash. However - it gets merged to the master locator
85 * created by GenericDataSource using 'array_join_merge'.
86 *
87 * @param old: LocatorMetadataHash array - layout: array( type => '', metadata => '', dsn => '' )
88 * @param old: Query array - layout: array( type => '', metadata => '', dsn => '' )
89 *
90 * @param new: options array - layout: array( datasource_type => '', [locator => array()] )
91 *
92 *
93 */
94 function GenericGUIDataList($title, $width = "100%", $default_orderby='', $default_reverseorder=FALSE, $options = array()) {
95 if ($options) { $this->_options = $options; }
96
97 // call parent constructor
98 $parent = get_parent_class($this);
99 $this->$parent($title, $width = "100%", $default_orderby='', $default_reverseorder=FALSE);
100 }
101
102
103 function get_data_source( ) {
104
105 // finally: create phpHtmlLib source handle (XyzDataListSource)
106
107 // V1:
108 //$source = new GenericDataSource($this->_locator, $this->_options);
109 //$this->set_data_source( &$source );
110
111 /*
112 // V2:
113 loadModule("DataSource::GenericDataSource");
114 $source = new DataSource_GenericDataSource($this->_locator, $this->_options);
115 $this->set_data_source( &$source );
116 */
117
118 // V3:
119 /*
120 $proxy = php::mkComponent('DataSource::GenericDataSource', $this->_locator, $this->_options);
121 $source = &$proxy;
122 $this->set_data_source( &$source );
123 */
124
125 // V4:
126 /*
127 $proxy = php::mkComponent('DataSource::GenericDataSource', array( proxy => '', adapter => ''), $this->_options);
128 $source = &$proxy;
129 $this->set_data_source( &$source );
130 */
131
132 // V5:
133 //print "options: " . Dumper($this->_options);
134
135 $initial_locator = php::mkComponent( 'DataSource::Locator', array( adapter_type => 'phpHtmlLib' ) );
136 //print "1st locator: " . Dumper($initial_locator);
137
138 // OLD
139 //$proxy = php::mkComponent('DataSource::Generic', $initial_locator, $this->_options);
140
141 //print "Test Query:";
142 //print Dumper($this->_options['query']);
143 $proxy = php::mkComponent('DataSource::Generic', $initial_locator, $this->_options['data_locator_meta']);
144
145 // debug
146 //print "Proxy: " . Dumper($proxy);
147
148 // V1:
149 //$source = &$proxy;
150
151 // V2:
152 //$source->make_adapter_transparent();
153
154 // V3:
155 $source = $proxy->get_adapter();
156
157 // V4:
158 //$source = $this->_datasource;
159
160 //print "objectlist-source: " . Dumper($source);
161 //exit;
162
163 $this->set_data_source( &$source );
164
165 }
166
167 function user_setup() {
168
169 //return;
170
171 $source = $this->_datasource;
172 //if (!$source) { return; }
173
174 //print Dumper($source);
175 $headers = $source->get_header();
176 //print Dumper($headers);
177
178 $this->set_title( $this->get_title() . ' - ' . $source->get_total_rows() . ' Einträge' );
179
180 foreach($headers as $val) {
181 $this->add_header_item($val, "150", $val, SORTABLE, SEARCHABLE);
182 }
183
184 /*
185 $this->add_header_item("Uid", "200", "uid", SORTABLE, SEARCHABLE);
186 $this->add_header_item("Name", "200", "lastName", SORTABLE, SEARCHABLE, "center");
187 */
188 }
189
190
191 /**
192 * This function ensures that the data we place
193 * in a column is aligned according to what the
194 * user wants.
195 *
196 * @param mixed - $obj - the data for the td.
197 * @param string - $col_name - the name of the column header
198 * for this row to render.
199 * @param int - $odd_row - tells us if this cell lives in
200 * an odd # row (for alternating row colors)
201 * @param int - the column # we are working on.
202 * @return TDtag object
203 */
204 function wrap_column_item($obj, $col_name) {
205
206 //make sure its set to something.
207 if ($obj == '') {
208 $obj = "&nbsp;";
209 }
210
211 // decode item / mungle item data?
212 // TODO: use Data::Lift here!!! (like already done in YAA::JobList and YAA::JobDetails)
213 elseif ($this->_options['decode']) {
214
215 // Proposal using Data::Lift: (see YAA::JobList and YAA::JobDetails)
216 // This class will get shorter and better to maintain!
217
218 // Picture Data::Lift as a container component handling
219 // *specific* en-/decoding stuff for your very core components.
220 // This way we will have almost all "specific mungling code" at one place. nice thing!
221
222 /*
223
224 // 1. expr: string -> object (phpHtmlLib-object: 'html_a'-tag)
225 // returns a phpHtmlLib object of class 'Xyz' containing a http-/html-link
226 // pointing to a View of a different - linked/referenced - object (reference-interpolation)
227 $this->lift1 = php::mkComponent('Data::Lift', $obj, array( metatype => 'expression' ) );
228 $obj = $this->lift1->to('phpHtmlLib::html_a');
229
230 // 2. data: hash -> object (phpHtmlLib-object: 'container'-object containing form)
231 // returns a phpHtmlLib object of class 'Container' containing a html-form made up of
232 // phpHtmlLib form-tags wrapping all attribute-value pairs of the data hash (object-edit)
233 $this->lift2 = php::mkComponent('Data::Lift', $obj, array( metatype => 'item' ) );
234 $obj = $this->lift2->to('phpHtmlLib::form');
235
236 */
237
238 $utils = php::mkComponent('WebExplorer::utils');
239 $hidden = $this->_hidden_elements;
240 $options = $this->_options['decode_args'];
241
242 // a) Iterate through the attributes of the item and replace each
243 // value with an appropriate link object if it has a certain format.
244 if ($utils->decode_item_expr($obj, $hidden, $options)) {
245
246 // b) Otherwise: If item is an Array we will replace it with a selection form object.
247 } else {
248 $utils->decode_item_array($obj, $hidden, $options);
249 }
250
251 }
252
253 //make sure we don't put a right border on the last
254 //column we are working on.
255 //$style = "padding-left: 3px;padding-right:3px;border-top: 1px solid #dddddd;";
256
257
258 if ($this->_columns[$col_name]["data_name"] == $this->orderby()) {
259 $style = "background-color: #f4f4f4;";
260 } else {
261 $style = "background-color: #ffffff;";
262 }
263
264 $align = $this->_columns[$col_name]["align"];
265 $td = new TDtag(array("align" => $align,
266 "style" => $style,
267 "class" => "datalist_data_cell"));
268
269 if (is_object($obj) && $obj->_tag == "td") {
270 return $obj;
271 } else {
272 $td->add( $obj );
273 }
274 return $td;
275 }
276
277 function add_hidden_element($label, $value) {
278 $this->_hidden_elements[$label] = $value;
279 }
280
281
282 /**
283 * This function builds the simple search TD
284 *
285 * @return ContainerWidget
286 */
287 function _build_simple_search_form() {
288
289 //if there is only 1 item enabled for search
290 //then the search looks simple.
291 $fields = $this->_get_searchable_fields();
292 $cnt = count($fields);
293 if ($cnt == 0) {
294 return NULL;
295 }
296
297 $container = new ContainerWidget;
298
299 // get current request vars and add them ad hidden items
300 $url_vars = $this->_get_current_url_vars();
301 foreach($url_vars as $label => $value) {
302 $container->push(form_hidden($label, $value));
303 }
304
305 if ($cnt == 1) {
306 //user only has 1 field to show.
307 list($name, $field) = each($fields);
308 $container->push("Find ".$name."&nbsp;&nbsp;");
309 } else {
310 //user has many fields to show.
311 $container->push("Find ",
312 form_select($this->_vars["search_fieldVar"], $fields, $this->search_field()));
313 }
314
315 if ($this->get_simple_search_modifier()) {
316 //the user wants the search modifier turned on.
317 $container->push($this->_build_simple_search_modifier());
318 }
319
320 $container->push(form_text($this->_vars["search_valueVar"], $this->search_value_filter($this->search_value()), "20", "100", array("style"=>"vertical-align:middle;")),
321 form_submit($this->get_form_name(), "Search", array("style"=>"vertical-align:middle;")));
322
323 if ($this->is_advanced_search_enabled()) {
324 $span = html_span(html_a("ass","Advanced Search", "title"));
325 $container->push("&nbsp;", $span);
326 }
327
328 if ($cnt == 1) {
329 $container->push(form_hidden($this->_vars["search_fieldVar"], $field));
330 }
331
332
333 //$container->push(form_close() );
334 return $container;
335 }
336
337
338 /**
339 * this is the method that builds
340 * the contents for the middle actionbar
341 * td cell.
342 *
343 * @return ContainerWidget object
344 */
345 function actionbar_cell() {
346 $action_list = $this->_options['actionbar']['list'];
347 $action_name = $this->_options['actionbar']['name'];
348
349 if($action_name && is_array($action_list)) {
350 $action_form = container("Select action", _HTML_SPACE,
351 form_select($action_name, $action_list),
352 form_submit("ok","OK" )
353 );
354 return $action_form;
355 } else {
356 return _HTML_SPACE;
357 }
358 }
359
360
361 /*
362 * this method returns the current requested variables
363 *
364 * @return array
365 */
366 function _get_current_url_vars() {
367 $cur_url_vars = array();
368
369 // get new LinkBuilder instance
370 $linkbuilder = new LinkBuilder();
371
372 $url_vars = php::array_join_merge($_GET, $_POST);
373 if(is_array($url_vars)) {
374 foreach($url_vars as $key => $value) {
375 // if there is an LinkBuilder guid instead of variables, encode it
376 if($key == 'lbid') {
377 $lb_vars = $linkbuilder->load($value);
378 foreach($lb_vars as $lbkey => $lbval) {
379 $cur_url_vars[$lbkey] = $lbval;
380 }
381 } else {
382 $cur_url_vars[$key] = $value;
383 }
384 }
385 }
386 return $cur_url_vars;
387 }
388
389 }
390 ?>

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