/[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 1.10 - (hide 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 jonen 1.1 <?
2     /*
3 joko 1.9 ## -------------------------------------------------------------------------
4 jonen 1.10 ## $Id: GenericGUIDataList.php,v 1.9 2003/04/11 00:44:46 joko Exp $
5 joko 1.9 ## -------------------------------------------------------------------------
6 jonen 1.2 ## $Log: GenericGUIDataList.php,v $
7 jonen 1.10 ## Revision 1.9 2003/04/11 00:44:46 joko
8     ## minor update: shortened seperators
9     ##
10 joko 1.9 ## Revision 1.8 2003/04/09 07:54:42 joko
11     ## cleaned up decoding part
12     ##
13 joko 1.8 ## Revision 1.7 2003/04/09 00:37:53 jonen
14     ## + added actionbar
15     ## + some changes according to request vars
16     ##
17 jonen 1.7 ## Revision 1.6 2003/04/08 17:48:31 jonen
18     ## + bugfix again
19     ##
20 jonen 1.6 ## 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 jonen 1.5 ## Revision 1.4 2003/04/06 01:41:07 jonen
24     ## - removed duplicated decode functions
25     ##
26 jonen 1.4 ## Revision 1.3 2003/04/04 21:26:06 joko
27     ## added comments regarding possible (future) refactoring using the Data::Lift-infrastructure
28     ##
29 joko 1.3 ## Revision 1.2 2003/04/04 00:45:40 jonen
30     ## + reworked decode functions
31     ##
32 jonen 1.2 ## Revision 1.1 2003/03/27 01:17:31 jonen
33     ## + inital commit (was orginal 'ObjectList.inc)
34     ##
35 jonen 1.1 ## 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 joko 1.9 ## -------------------------------------------------------------------------
45 jonen 1.1 */
46 joko 1.9
47 jonen 1.1
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 jonen 1.2 /**
68     * Holds a list of hidden elements
69     *
70     */
71     var $_hidden_elements = array();
72    
73 jonen 1.7
74 jonen 1.1 /**
75     * The constructor is used to pass in some additional
76     * metadata informations as "options".
77     * The "locator metadata hash" isn't passed in here
78     * any more. Handling this one occours one level deeper
79     * inside the "GenericDataSource" Proxy.
80     *
81     * It's still possible to set locator metadata directly by
82     * using the optional key 'locator' inside your options hash.
83     * This can be either a DataSource::Locator instance or a plain
84     * hash. However - it gets merged to the master locator
85     * created by GenericDataSource using 'array_join_merge'.
86     *
87     * @param old: LocatorMetadataHash array - layout: array( type => '', metadata => '', dsn => '' )
88     * @param old: Query array - layout: array( type => '', metadata => '', dsn => '' )
89     *
90     * @param new: options array - layout: array( datasource_type => '', [locator => array()] )
91     *
92     *
93     */
94     function GenericGUIDataList($title, $width = "100%", $default_orderby='', $default_reverseorder=FALSE, $options = array()) {
95     if ($options) { $this->_options = $options; }
96 jonen 1.7
97     // call parent constructor
98 jonen 1.1 $parent = get_parent_class($this);
99 jonen 1.7 $this->$parent($title, $width = "100%", $default_orderby='', $default_reverseorder=FALSE);
100 jonen 1.1 }
101    
102 jonen 1.7
103 jonen 1.1 function get_data_source( ) {
104    
105     // finally: create phpHtmlLib source handle (XyzDataListSource)
106    
107     // V1:
108     //$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 joko 1.3 $obj = "&nbsp;";
209 jonen 1.1 }
210 joko 1.3
211     // decode item / mungle item data?
212     // TODO: use Data::Lift here!!! (like already done in YAA::JobList and YAA::JobDetails)
213     elseif ($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 jonen 1.4 $utils = php::mkComponent('WebExplorer::utils');
239     $hidden = $this->_hidden_elements;
240     $options = $this->_options['decode_args'];
241    
242 joko 1.8 // a) Iterate through the attributes of the item and replace each
243     // value with an appropriate link object if it has a certain format.
244     if ($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, $options);
249 jonen 1.1 }
250 joko 1.3
251 jonen 1.1 }
252 joko 1.3
253 jonen 1.1 //make sure we don't put a right border on the last
254     //column we are working on.
255     //$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 $td;
275     }
276    
277 jonen 1.2 function add_hidden_element($label, $value) {
278     $this->_hidden_elements[$label] = $value;
279     }
280    
281    
282 jonen 1.5 /**
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 jonen 1.7
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, $value));
303     }
304 jonen 1.5
305     if ($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"], $field));
330     }
331    
332 jonen 1.7
333     //$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 jonen 1.10 form_submit("ok","OK" )
353 jonen 1.7 );
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, $_POST);
373 jonen 1.5 if(is_array($url_vars)) {
374 jonen 1.7 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 jonen 1.5 }
385     }
386 jonen 1.7 return $cur_url_vars;
387 jonen 1.5 }
388 jonen 1.1
389     }
390     ?>

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