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

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Revision 1.16 - (hide annotations)
Tue May 13 14:53:56 2003 UTC (21 years, 3 months ago) by joko
Branch: MAIN
Changes since 1.15: +8 -1 lines
reset mvc-params "filter" and "meta" in tree mode!?

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

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