/[cvs]/nfo/php/libs/org.netfrag.app/WebExplorer/MVC.php
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Contents of /nfo/php/libs/org.netfrag.app/WebExplorer/MVC.php

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Revision 1.19 - (show annotations)
Mon Jul 14 09:54:58 2003 UTC (21 years, 1 month ago) by jonen
Branch: MAIN
Changes since 1.18: +5 -1 lines
fixed bug related to 'item delete'

1 <?php
2
3 /**
4 * $Id: MVC.php,v 1.18 2003/07/02 12:18:00 jonen Exp $
5 *
6 * $Log: MVC.php,v $
7 * Revision 1.18 2003/07/02 12:18:00 jonen
8 * fixed bugs
9 *
10 * Revision 1.17 2003/06/25 23:45:05 joko
11 * trying to switch from "ap" completely to "t"
12 *
13 * Revision 1.16 2003/05/13 14:53:56 joko
14 * reset mvc-params "filter" and "meta" in tree mode!?
15 *
16 * Revision 1.15 2003/05/10 18:19:55 jonen
17 * + added stuff relating to 'create/add new' links/buttons
18 *
19 * Revision 1.14 2003/04/19 16:20:47 jonen
20 * + added handle of ecom 'UMnav' according to page 'Benutzverwaltung'
21 *
22 * Revision 1.13 2003/04/18 15:30:24 joko
23 * NEW: parameter 'ecom_data_filter' - used for 'items'
24 * (introduced to filter xml-payload at backend side via xpath queries)
25 * documented global state parameters
26 * some comments
27 *
28 * Revision 1.12 2003/04/18 13:40:54 jonen
29 * + added 'topic' to requested vars which will currently be merged with the 'ap' var
30 *
31 * Revision 1.11 2003/04/11 00:51:10 joko
32 * minor update: just testing stuff...
33 *
34 * Revision 1.10 2003/04/10 06:03:26 joko
35 * ++ renamed keys: 'ecom_data_form_edit', 'ecom_data_form_cancel' through 'ecom_data_action_edit', 'ecom_data_action_cancel'
36 * + new key: 'ecom_data_action_delete'
37 * + Action.Delete: not really, since it's inside component in fact (self-contained ecom)
38 *
39 * Revision 1.9 2003/04/09 00:05:50 jonen
40 * added request values and functions needed for extended form handling
41 *
42 * Revision 1.8 2003/04/08 17:53:08 joko
43 * NEW: Module 'RemoteAction' in 'phase_startup'
44 *
45 * Revision 1.7 2003/04/07 22:32:27 jonen
46 * + minor changes related to new ecom 'chooser'
47 *
48 * Revision 1.6 2003/04/06 01:32:57 jonen
49 * + minor changes
50 *
51 * Revision 1.5 2003/04/05 21:18:29 joko
52 * added Chooser and associated 'ecds'-parameter
53 * new rule (at bottom) to dispatch datasource-keys to each ecom-component
54 *
55 * Revision 1.4 2003/04/04 23:59:19 jonen
56 * + minor changes according to data form submits
57 *
58 * Revision 1.3 2003/04/04 01:28:13 jonen
59 * + added function to purge unwanted merged vars
60 * + handle form submit's now
61 *
62 * Revision 1.2 2003/03/20 07:54:52 jonen
63 * + added docu
64 *
65 * Revision 1.1 2003/03/20 03:48:47 jonen
66 * + initial commit
67 *
68 * Revision 1.2 2003/03/18 00:00:20 cvsmax
69 * + added thoughts and models for preparing control data to Explorer
70 *
71 * Revision 1.1 2003/03/08 02:36:39 cvsmax
72 * + moved from *.inc
73 * + mungled namespace with WebExplorer
74 *
75 * Revision 1.1 2003/03/03 22:26:16 joko
76 * + initial commit, inherits from WebMVC
77 *
78 * Revision 1.1 2003/03/02 00:49:36 joko
79 * + initial commit
80 *
81 *
82 */
83
84 /**
85 * WebExplorer::MVC - this the MVC used by the WebExplorer.
86 * Its derived from the 'Site::WebAppMVC' module.
87 *
88 * @author Sebastian Utz <seut@tunemedia.de>
89 * @package org.netfrag.app
90 * @name WebExplorer::MVC
91 */
92
93 loadModule('Site::WebAppMVC');
94
95 class WebExplorer_MVC extends Site_WebAppMVC {
96
97 //var $_backend = null;
98 var $_raw = array();
99 var $_registry = array();
100
101 function WebExplorer_MVC(&$args) {
102
103 parent::constructor();
104
105 // new!!! a registry for Views!!!
106 //$regdb = $this->getStaticRegistryDatabase();
107 //$this->_registry = mkObject('Application::ComponentRegistry', &$regdb, 'REGDB_PAYLOAD');
108
109 // new!!! storing the raw request here
110 $this->_raw[request] = &$args[request];
111
112 // new!!! user_setup, phpHtmlLib-style...
113 $this->user_setup();
114
115 }
116
117 // setup MVC (model-view-controller) metadata information
118 function user_setup() {
119
120 $this->add_model( array(
121 //args => array( 'classname', 'guid', 'action', 'data_locator_key', 'block' ),
122 request_args => array(
123 // ApplicationTopic
124 'topic',
125 // ApplicationPage
126 'ap',
127 // important/required parameters for valid ecom-components
128 'ecom_label', 'ecom_type', 'ecom_abstract_type', 'ecom_mode',
129 // parameters about data identifiers, locations, sources and associated meta-information
130 'ecom_data_locator_key',
131 'ecom_data_ident',
132 'ecom_data_meta', 'ecom_data_meta_x',
133 'ecom_data_action_edit', 'ecom_data_action_cancel', 'ecom_data_action_delete', 'ecom_data_action_create',
134 'ecom_data_form_checkbox', 'ecom_data_form_action',
135 'ecom_data_source_key',
136 'ecom_data_filter',
137 ),
138 request_arg => array(
139
140 // a key identifying the current topic
141 'topic' => array( query_arg => 't' ),
142
143 // a key identifying the current page
144 'ap' => array( query_arg => 'ap' ),
145
146 // ecom, ecom, ecom
147
148 // component specific arguments (important for the main dispatcher, etc.)
149 // a label identifying a component
150 'ecom_label' => array( query_arg => 'ecl' ),
151 // data or schema
152 'ecom_type' => array( query_arg => 'ect' ),
153 // item, list or tree
154 'ecom_abstract_type' => array( query_arg => 'ecat' ),
155
156
157 // data, data, data
158
159 // e.g. view, edit
160 'ecom_mode' => array( query_arg => 'ecmod' ),
161 // This should be renamed to 'ecom_data_transport_key'.
162 'ecom_data_locator_key' => array( query_arg => 'ecdlk' ),
163
164 // This should be enough to identify data Xyz.
165 // e.g. an OID, a GUID, a filename or similar stuff
166 'ecom_data_ident' => array( query_arg => 'ecdid' ),
167 // e.g. a classname or a filename
168 'ecom_data_meta' => array( query_arg => 'ecdm' ),
169 // extended meta, e.g. 2nd parent identifier
170 'ecom_data_meta_x' => array( query_arg => 'ecdmx' ),
171 // filter the data: e.g.
172 // - an xpath-query (xpq),
173 // - an abstract/custom filter string or
174 // - a parent node identifier (maybe revamp as 'ecdpnid')?
175 'ecom_data_filter' => array( query_arg => 'ecdf' ),
176
177 // Some actions ...
178 // ... required for data items.
179 'ecom_data_action_edit' => array( query_arg => 'ecdfe' ),
180 'ecom_data_action_cancel' => array( query_arg => 'ecdfc' ),
181 'ecom_data_action_delete' => array( query_arg => 'ecdfd' ),
182 'ecom_data_action_create' => array( query_arg => 'ecdfcr' ),
183 // ... required for data lists.
184 'ecom_data_form_action' => array( query_arg => 'ecdfa' ),
185 'ecom_data_form_checkbox' => array( query_arg => 'checkbox' ),
186
187 // Special argument (should become a non-data-action).
188 // Triggers 'selectSource' at backend api (remote api) which causes a database handle switch.
189 'ecom_data_source_key' => array( query_arg => 'ecds' ),
190
191 ),
192
193 /*
194 // block model (what is used for each block)
195 // is this deprecated???
196 block => array(
197 'ident' => array( query_arg => 'ident' ),
198 'meta' => array( query_arg => 'meta' ),
199 'action' => array( query_arg => 'action'),
200 'data_locator_key' => array( query_arg => 'dlk' ),
201 'gui_module' => array( query_arg => 'gm' ),
202 'abstract_type' => array( query_arg => 'at' ),
203 ),
204 */
205
206 ));
207
208
209 // TODO: activate MVC-Views!!!
210 // - Here: Picture a ecom-component as a MVC-View.
211 // - Assign a GUID to each ecom-component!
212 // - Build WebExplorer-Introspection-Module to show stuff like this... (->WebExplorer::Designer)
213
214
215 //$this->setup_views( &$this->_registry );
216
217 // associate behaviour with "View"-components
218 // identify component by: module name or component identifier (COID)
219 // 'name' is looked up in that to get metadata information about the comp.
220 // component: for 'component = 1', a component registry is required!!!
221 // name: registry-lookup: by-name
222 // COID: registry-lookup: by-COID
223 // caption: caption of area or title of page
224 $this->add_view( array(
225 component => 1,
226 name => 'NavigationList',
227 // COID => '123',
228 caption => "Explorer - NavigationList",
229 ));
230 $this->add_view( array(
231 component => 1,
232 name => 'ExplorerDataList',
233 // COID => '123',
234 caption => "Explorer - ExplorerDataList",
235 ));
236 $this->add_view( array(
237 component => 1,
238 name => 'ExplorerDataItem',
239 // COID => '123',
240 caption => "Explorer - ExplorerDataItem",
241 ));
242
243 // FIXME!!! enhance!?!?
244 // AIM: "dispatch a Request to a View by using rules..."
245 // Todo:
246 // 'HttpController' is *very* dumb by now, it just iterates
247 // this flat list below triggering the lambdas with their arguments.
248 // Enhance this backend and introduce a mechanism to trigger
249 // a true callback to process a rule (or: "as a rule") on top of that.
250 $this->add_controller( array(
251
252 // for "module", no component registry is required, just does 'mkObject' under the hood
253 module => 'Application::Request::HttpController',
254 //module_options => blah
255
256 rules => array(
257
258 // get last page state
259 create_function('&$_in, &$_out', '
260 $requestTracker = mkObject("Application::Request::Tracker");
261 $page_state = $requestTracker->getPointer();
262 $pre_out = $page_state[options];
263 //print "pre_out: " . Dumper($pre_out);
264
265 // clean-up unwanted variables
266 $label = $_in[ecom_label];
267 switch ($_in[ecom_abstract_type]) {
268 case "list":
269 if ($pre_out[options][ecoms][$label][ecom_data_meta]) { unset($pre_out[options][ecoms][$label][ecom_data_meta]); }
270 if ($pre_out[options][ecoms][$label][ecom_data_meta_x]) { unset($pre_out[options][ecoms][$label][ecom_data_meta_x]); }
271 break;
272 // 2003-04-16: required for xmltree-to-item transition
273 // if we dont do this the "dotted" filter expression would persist across views
274 case "item":
275 if ($pre_out[options][ecoms][$label][ecom_data_filter]) { unset($pre_out[options][ecoms][$label][ecom_data_filter]); }
276 break;
277 case "tree":
278 if ($pre_out[options][ecoms][$label][ecom_data_filter]) { unset($pre_out[options][ecoms][$label][ecom_data_filter]); }
279 if ($pre_out[options][ecoms][$label][ecom_data_meta]) { unset($pre_out[options][ecoms][$label][ecom_data_meta]); }
280 break;
281 }
282 $_out = $pre_out;
283 '),
284
285 // reset machine
286 create_function('&$_in, &$_out', '
287 // HACK!!!
288 // FIXME: review and implement in a more clean way?
289 //print "RESET!<br/>";
290 $_out[options][ecoms][phase_startup] = "RESET";
291 '),
292
293 // rewrite idents
294 create_function('&$_in, &$_out', '
295
296 // old version: ap == explorer
297 // map Topic to Page if exists
298 //if ($_in[topic]) {
299 // $_in[ap] = $_in[topic];
300 //}
301 //$idents = array ( ap );
302 //foreach($idents as $key) {
303 // $_out[options][idents][$key] = $_in[$key];
304 //}
305
306 // 2003-06-26: switched from ap=explorer to t=DataBrowser
307 $_out[options][idents][t] = $_in[topic];
308
309 '),
310
311 // check right $_GET[ap] - depreciated
312 //create_function('&$_in, &$_out', 'return ($_in[ap] != "explorer") ? print "Wrong application value [ap]: $_in[ap], sure this is right here?<br>" : null;'),
313
314 // write components variables to out
315 create_function('&$_in, &$_out', '
316 $vars = array(
317 ecom_type, ecom_abstract_type, ecom_mode, ecom_data_locator_key,
318 ecom_data_ident, ecom_data_meta, ecom_data_filter, ecom_data_meta_x
319 );
320 // ecom_call_method, ecom_call_args
321 if($_in[ecom_label]) {
322 foreach($vars as $key) {
323 if($_in[$key]) {
324 //print "var: " . $key . " value: " . $_in[$key] . "<br>";
325 $label = $_in[ecom_label];
326 $_out[options][ecoms][$label][$key] = $_in[$key];
327 }
328 }
329 }
330
331 return;
332 '),
333
334 // create default ecoms (navigation, chooser [as of 2003-04-05] etc.)
335 create_function('&$_in, &$_out', '
336 if(!$_out[options][ecoms] || !is_array($_out[options][ecoms])) {
337 $_out[options][ecoms] = array(
338 nav => array(
339 ecom_type => "nav",
340 ecom_abstract_type => "list",
341 ecom_mode => "link",
342 ecom_data_locator_key => "rpc",
343 ),
344 chooser => array(
345 ecom_type => "nav",
346 ecom_abstract_type => "list",
347 ecom_mode => "link",
348 ecom_data_locator_key => "rpc",
349 ),
350 );
351 }
352 //$_out[options][components] = $_in[components];
353 return;
354 '),
355
356 // handle data form action(button)
357 create_function('&$_in, &$_out', '
358 if($_in[ap] == "Benutzerverwaltung" || $_in[topic] == "Benutzerverwaltung") {
359 if(!$_out[options][ecoms][UMnav]) {
360 $_out[options][ecoms][UMnav] = array(
361 ecom_type => "nav",
362 ecom_abstract_type => "tree",
363 ecom_mode => "link",
364 ecom_data_locator_key => "rpc",
365 );
366 }
367 }
368 '),
369
370 // handle data form action(button)
371 create_function('&$_in, &$_out', '
372 $label = $_in[ecom_label];
373 if($_in[ecom_data_form_action]) {
374 //print "from action button pressed!<br>";
375 if(is_array($_in[ecom_data_form_checkbox])) {
376 $cnt = sizeof($_in[ecom_data_form_checkbox]);
377 $tmp = array();
378 foreach($_in[ecom_data_form_checkbox] as $ident) {
379 if($ident) { array_push($tmp, $ident); }
380 }
381 if($cnt == 1) {
382 print "Single selection, ident : " . $tmp[0] . "<br>";
383 $_out[options][ecoms][$label][ecom_data_ident] = $tmp[0];
384 $_out[options][ecoms][$label][ecom_abstract_type] = "item";
385 } elseif($cnt > 1) {
386 // TODO: implement multi-selection actions on rows(items) here!!
387 print "Multi-Selection!! Current Ident(s) $tmp" . "<br>";
388 $_out[options][ecoms][$label][ecom_data_ident] = $tmp;
389 $_out[options][ecoms][$label][ecom_abstract_type] = "item";
390 }
391 } else {
392 print "ident: " . Dumper($_out[options][ecoms][$label][ecom_data_ident]) . "<br>";
393 }
394 $_out[options][ecoms][$label][ecom_data_meta] = $_in[ecom_data_ident];
395 $_out[options][ecoms][$label][ecom_mode] = $_in[ecom_data_form_action];
396 //print "in: " . Dumper($_in) . "<br>";
397 //print "out: " . Dumper($_out) . "<br>";
398 }
399 '),
400
401
402 // handle data form buttons
403 create_function('&$_in, &$_out', '
404 $label = $_in[ecom_label];
405 if($_in[ecom_data_action_edit]) {
406 $_out[options][ecoms][$label][ecom_mode] = "edit";
407 $_out[options][ecoms][$label][ecom_abstract_type] = "item";
408 }
409 if($_in[ecom_data_action_cancel]) {
410 $_out[options][ecoms][$label][ecom_mode] = "view";
411 $_out[options][ecoms][$label][ecom_abstract_type] = "item";
412 }
413
414 // Action.Create
415 if($_in[ecom_data_action_create]) {
416 //print Dumper($_out[options][ecoms][$label]);
417 $_out[options][ecoms][$label][ecom_mode] = "create";
418 $_out[options][ecoms][$label][ecom_abstract_type] = "item";
419 }
420
421 // Action.Delete [new of 2003-04-09]
422 if ($_in[ecom_data_action_delete]) {
423
424 //$_out[options][ecoms][content][ecom_mode] = "view";
425
426 // the code here vanished to the component itself!
427 // could/should we do this for "edit" and/or "view" actions as well?
428 // look at ecom/FlexibleDataItem!
429
430 $_out[options][ecoms][$label][ecom_abstract_type] = "item";
431 }
432 '),
433
434 // propagate datasources to ecoms
435 // datasource-change requested? enhance logic here!
436 // by now each ecom-component gets injected the very same
437 // datasource if requested - otherwise everything will fall back to defaults
438 create_function('&$_in, &$_out', '
439 if ($_in[ecom_data_source_key]) {
440
441 print "YAI: ecom_data_source_key<br/>";
442
443 //print Dumper($_out[options][ecoms]);
444 //print "ds: " . $_in[ecom_data_source_key] . "<br/>";
445 /*
446 foreach ($_out[options][ecoms] as $name => $ecom) {
447 print "name: $name<br/>";
448 //$_out[options][sources][selected] = $_in[ecom_data_source];
449 $_out[options][ecoms][$name][ecom_data_source_key] = $_in[ecom_data_source_key];
450 }
451 */
452 $_out[options][main][ecom_data_source_key] = $_in[ecom_data_source_key];
453
454
455 // 2003-04-07 - enhanced
456 // now activates a special ecom-component - a "RemoteAction" - replacing
457 // the "content"-ecom instead of displaying an empty page / overriding any
458 // view reached by "normal dispatching"
459
460 $_out[options][ecoms][phase_startup] = array(
461 ecom_type => "call",
462 ecom_abstract_type => "auto",
463 ecom_mode => "link",
464 ecom_data_locator_key => "rpc",
465 // new attributes/properties/arguments that control further / trigger different DataFlow:
466 // FIXME: add these to declaration at top!
467 ecom_call_method => "selectSource",
468 ecom_call_args => $_in[ecom_data_source_key]
469 );
470
471 }
472 '),
473
474
475 /*
476 // translate value of argument "action" (olist => list.view, oedit => item.edit)
477 // action dispatcher
478 create_function('&$_in, &$_out', '
479 $_out = $_in;
480 switch ($_out[action]) {
481 case "olist":
482 $_out[action] = "list.view";
483 break;
484 case "oedit":
485 $_out[action] = "item.edit";
486 break;
487 case "":
488 print "ExplorerController: selecting default action \"list.view\" in rule #2.<br/>";
489 $_out[options][action] = "list.view";
490 return;
491 break;
492 }
493 //return "last";
494 '),
495
496
497 // dummy rule - just returns
498 create_function('&$_in, &$_out', '
499 return;
500 if ($_in[topic] == "DataBrowser.item.edit" || $_in[page] == "oedit") {
501 $_out[view] = "Page::DataBrowser";
502 $_out[options] = array( caption_context => "Item - [edit]", args => array(HTML, "UB_ITEM"));
503 }
504 '),
505 */
506
507
508 // tracing-rule - dumps $_in and $_out
509 /*
510 create_function('&$_in, &$_out', '
511 print "I am here: AnyMVC<br/>";
512 print "in: " . Dumper($_in);
513 print "out: " . Dumper($_out);
514 //exit;
515 return;
516 '),
517 */
518 ),
519 ));
520
521 }
522
523
524 }
525
526 ?>

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