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

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Revision 1.3 - (hide 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 jonen 1.1 <?
2     /*
3     ## -----------------------------------------------------------------------------
4 joko 1.3 ## $Id: GenericGUIDataList.php,v 1.2 2003/04/04 00:45:40 jonen Exp $
5 jonen 1.1 ## -----------------------------------------------------------------------------
6 jonen 1.2 ## $Log: GenericGUIDataList.php,v $
7 joko 1.3 ## Revision 1.2 2003/04/04 00:45:40 jonen
8     ## + reworked decode functions
9     ##
10 jonen 1.2 ## Revision 1.1 2003/03/27 01:17:31 jonen
11     ## + inital commit (was orginal 'ObjectList.inc)
12     ##
13 jonen 1.1 ## 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 jonen 1.2 /**
46     * Holds a list of hidden elements
47     *
48     */
49     var $_hidden_elements = array();
50    
51 jonen 1.1 /**
52     * The constructor is used to pass in some additional
53     * metadata informations as "options".
54     * The "locator metadata hash" isn't passed in here
55     * any more. Handling this one occours one level deeper
56     * inside the "GenericDataSource" Proxy.
57     *
58     * It's still possible to set locator metadata directly by
59     * using the optional key 'locator' inside your options hash.
60     * This can be either a DataSource::Locator instance or a plain
61     * hash. However - it gets merged to the master locator
62     * created by GenericDataSource using 'array_join_merge'.
63     *
64     * @param old: LocatorMetadataHash array - layout: array( type => '', metadata => '', dsn => '' )
65     * @param old: Query array - layout: array( type => '', metadata => '', dsn => '' )
66     *
67     * @param new: options array - layout: array( datasource_type => '', [locator => array()] )
68     *
69     *
70     */
71     function GenericGUIDataList($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 joko 1.3 $obj = "&nbsp;";
183 jonen 1.1 }
184 joko 1.3
185     // decode item / mungle item data?
186     // TODO: use Data::Lift here!!! (like already done in YAA::JobList and YAA::JobDetails)
187     elseif ($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 jonen 1.1 $obj = $this->decode_item_array($obj);
221     }
222 joko 1.3
223 jonen 1.1 }
224 joko 1.3
225 jonen 1.1 //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 $td;
247     }
248    
249 jonen 1.2 function add_hidden_element($label, $value) {
250     $this->_hidden_elements[$label] = $value;
251     }
252    
253    
254 joko 1.3 // TODO: refactor to Data::Lift - subcomponent: handling will get way more easy!
255 jonen 1.1 function decode_item_array($item) {
256     $options = $this->_options['decode_args'];
257 joko 1.3 //print "item: " . Dumper($item);
258     //print "options: " . Dumper($options);
259 jonen 1.1 if( is_array($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 jonen 1.2 form_hidden("ecdm", $meta),
274 jonen 1.1 form_select("ecdid", $list),
275     form_submit("submit","view" )
276     );
277 jonen 1.2 foreach($this->_hidden_elements as $label => $value) {
278 jonen 1.1 $container->add(form_hidden($label, $value));
279     }
280     $container->add(form_close() );
281     $item = $container;
282     }
283     } else {
284 joko 1.3 //print "<b>2</b><br/>";
285 jonen 1.1 $container = container();
286     foreach($item as $key => $value) {
287     $tmp = split($options['seperator'], $value);
288     $ident = $tmp['1'];
289     $meta = $tmp['2'];
290 jonen 1.2 foreach($this->_hidden_elements as $label => $value) {
291 jonen 1.1 $tmp_array[] = $label . "=" . $value;
292     }
293     $str_hidden = join("&", $tmp_array);
294 jonen 1.2 $container->add("->", html_a($_SERVER["PHP_SELF"] . "?ecdid=" . $ident . "&ecdm=" . $meta . "&" . $str_hidden, $key . " view"), html_br());
295 jonen 1.1 }
296     $item = $container;
297     }
298     return $item;
299     }
300     }
301    
302 joko 1.3 // decodes serialized string representations of object-references
303     // TODO: refactor to Data::Lift - subcomponent: handling will get way more easy!
304 jonen 1.1 function decode_item_expr($item) {
305     $options = $this->_options['decode_args'];
306 joko 1.3 //print "item: $item<br/>";
307 jonen 1.1 if(substr($item, 0, 2) == "o_") {
308     $tmp = split($options['seperator'], $item);
309     $ident = $tmp['1'];
310     $meta = $tmp['2'];
311 jonen 1.2 foreach($this->_hidden_elements as $label => $value) {
312 jonen 1.1 $tmp_array[] = $label . "=" . $value;
313     }
314     $str_hidden = join("&", $tmp_array);
315 jonen 1.2 $item = html_a($_SERVER["PHP_SELF"] . "?ecdid=" . $ident . "&ecdm=" . $meta . "&" . $str_hidden, "view");
316 jonen 1.1 return $item;
317     }
318     }
319    
320     }
321     ?>

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