/[webpac2]/Webpacus/root/js/search.js
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Contents of /Webpacus/root/js/search.js

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Revision 448 - (show annotations)
Mon May 1 16:22:49 2006 UTC (18 years ago) by dpavlin
File MIME type: text/cpp
File size: 9978 byte(s)
 r555@llin:  dpavlin | 2006-05-01 18:23:44 +0200
 click on database links now function as toggle

1 // WebPAC API
2 //
3 // Documented in this code only, I'm afraid. Beware of dragons!
4 // Dobrica Pavlinusic dpavlin(at)rot13(dot)org 2005-11-22
5
6 /*
7 load another template
8 */
9 function load_template(template_name) {
10
11 var old_template = $('template_name').value;
12
13 Logger.info('load_template: '+template_name+' (old: '+old_template+')');
14
15 if (template_name == old_template) {
16 Logger.error('why reload same template?');
17 return false;
18 }
19
20 $('template_name').value = template_name;
21 submit_results_form( 1 );
22 return false;
23 }
24
25 /*
26 pager
27 */
28 function load_results_page(page_nr) {
29
30 if (parseInt(page_nr) != page_nr) {
31 Logger.error("load_results_page can't parseInt "+page_nr);
32 return false;
33 }
34
35 var old_page = get_page_nr();
36
37 if (page_nr < 1) {
38 Logger.error("load_results_page called with '"+page_nr+"' < 1");
39 return false;
40 }
41
42 Logger.info('load_results_page: '+page_nr+' (from page: '+old_page+')');
43
44 if (page_nr == old_page) {
45 Logger.error('why reload same page?');
46 return false;
47 }
48
49 submit_results_form( page_nr );
50
51 return false;
52 }
53
54 function get_page_nr() {
55 var page_nr = parseInt( $('page_nr').value ) || 1;
56 return page_nr;
57 }
58
59 function reset_page_nr( nr ) {
60 if (! nr) nr = 1;
61 Logger.info('reset_page_nr to '+nr);
62 $('page_nr').value = nr;
63 }
64
65 /* syntaxtic sugar */
66 function set_page_nr(nr) {
67 return load_results_page(nr);
68 }
69
70 function next_page() {
71 load_results_page( get_page_nr() + 1 );
72 return false;
73 }
74
75 function prev_page() {
76 load_results_page( get_page_nr() - 1 );
77 return false;
78 }
79
80 /* toggle visibility and replace text with something else */
81 function toggleLinkAndElement ( link, elementID, text ) {
82
83 if ( link.innerHTML != text ) {
84 // change link text
85 link.oldInnerHTML = link.innerHTML;
86 link.innerHTML = text;
87 } else {
88 // change it back
89 link.innerHTML = link.oldInnerHTML;
90 }
91
92 Logger.debug('toggleLinkAndElement '+elementID+': '+Element.visible( elementID )+' text: '+text);
93
94 Element.toggle( elementID );
95
96 // why is this needed, Firefox 1.5?
97 if (Element.visible( elementID )) $( elementID ).style.display = 'block';
98
99 return false;
100 }
101
102
103 /*
104 submit results form using AJAX
105 */
106 function submit_results_form( page_nr ) {
107 var results_form = $('results_form');
108
109 if (results_form) {
110 var results_div = 'results';
111 if (! page_nr) {
112 page_nr = get_page_nr() || 0;
113 } else {
114 $('page_nr').value = page_nr;
115 Logger.info("reset page_nr to "+page_nr);
116 }
117
118 if (page_nr > 1) {
119 results_div += '_' + page_nr;
120 }
121
122 if (! $( results_div )) {
123 Logger.error('next page div '+results_div+' doesn\'t exist');
124 results_div = 'results';
125 }
126
127 var form_params = Form.serialize( results_form );
128 var url = results_form.action;
129 url += '/ajax';
130
131 Logger.debug('submit_results_form to '+url+' page:'+page_nr+' div:'+results_div+' params:'+form_params);
132
133 Logger.info( 'loading page '+page_nr+' into '+results_div );
134 show_searching( page_nr );
135
136 new Ajax.Updater( results_div, url, {
137 parameters: form_params,
138 asynchronous: 1,
139 onComplete: function(request) {
140 Logger.info( 'page '+page_nr+' loaded into '+results_div );
141 update_results_stat( page_nr );
142 hide_searching( page_nr );
143 }
144 } ) ;
145 return false;
146 } else {
147 Logger.debug('no results_form element');
148 return undef;
149 }
150 return false;
151 }
152
153 /*
154 helper functions for submit_results_form()
155 */
156
157 var search_active = 0;
158
159 function show_searching( page_nr ) {
160 Logger.debug('show_searching '+page_nr);
161 var el = 'searching';
162 if (page_nr && page_nr > 1) el += '_'+page_nr;
163 Element.show( el );
164 search_active = 1;
165 return false;
166 }
167
168 function hide_searching( page_nr ) {
169 Logger.debug('hide_searching '+page_nr);
170 var el = 'searching';
171 if (page_nr && page_nr > 1) {
172 Element.hide('page_'+(page_nr - 1));
173 }
174 Element.hide( el );
175 search_active = 0;
176 // new Effect.Appear('results', { duration: 0.3 });
177 return false;
178 }
179
180 /*
181 load record nr in some template
182 */
183
184 function load_rec(record_uri, tmp_template_filename) {
185 if (! tmp_template_filename) tmp_template_filename = template_filename;
186 Logger.info('load_rec '+record_uri+' in '+tmp_template_filename);
187
188 var results_form = $('results_form');
189
190 if (results_form) {
191 var args = '?record_uri='+record_uri+'&template_filename='+tmp_template_filename;
192 Logger.debug('Ajax.Updater(results,/search/record) '+args);
193
194 show_searching();
195
196 new Ajax.Updater( 'results', '/search/record'+args, {
197 asynchronous: 1,
198 onComplete: function(request) {
199 hide_searching();
200 }
201 } ) ;
202 return false;
203 } else {
204 Logger.debug('no results_form element');
205 return undef;
206 }
207 return false;
208 }
209
210 /* click on checkbox */
211
212 function checkbox_click() {
213 if (search_active) return false;
214 Logger.debug('checkbox_click');
215 submit_results_form( 1 );
216 return true;
217 }
218
219 /* toggle or select checkbox with value toggle */
220
221 function checkbox_toggle( name, val ) {
222 return checkbox_magic( name, val, 0 );
223 }
224
225 var checkbox_single_current = '';
226
227 function checkbox_single( name, val ) {
228 if (checkbox_single_current == name) {
229 checkbox_single_current = '';
230 Logger.debug('show all databases');
231 return checkbox_magic( name, val, 0 );
232 } else {
233 Logger.debug('show just database '+name);
234 checkbox_single_current = name;
235 return checkbox_magic( name, val, 1 );
236 }
237 }
238
239 function checkbox_magic( name, val, single ) {
240
241 Logger.info('checkbox_magic('+name+','+val+','+single+')');
242
243 var form = $('results_form');
244 var inputs = form.getElementsByTagName('input');
245
246 for (var i = 0; i < inputs.length; i++) {
247 var input = inputs[i];
248 if (input.type != 'checkbox') continue;
249 if (single) {
250 input.checked = false;
251 }
252 if (input.name != name || input.value != val) continue;
253 Logger.debug('toggle '+input.name+'='+input.value+' '+input.checked);
254 input.checked = ! input.checked;
255 if (! single) {
256 submit_results_form( 1 );
257 return false;
258 }
259 }
260 submit_results_form( 1 );
261 return false;
262 }
263
264 /* reset form fields in _reset hidden field to nothing */
265
266 function reset_form() {
267 Logger.info('reset '+$F('_reset'));
268
269 var names = new Array();
270 names = $F('_reset').split(',');
271 for(var i = 0; i < names.length; i++) {
272 Logger.debug('reset '+i+': '+names[i]);
273 $(names[i]).value='';
274 }
275
276 var t=$('search_table');
277 var max_p = t.rows.length;
278 for(var i = 0; i < attr_rows.length; i++) {
279 var p = attr_rows[i];
280 if (p != -1) {
281 if (p < max_p) {
282 Logger.debug('delete row '+p);
283 t.deleteRow( p );
284 } else {
285 Logger.error('skipping invalid delete row '+p);
286 }
287 }
288 }
289
290 attr_rows = new Array();
291
292 return false;
293 }
294
295 /* helper function for [% search($display, $search, $delimiter) %] */
296
297 function search_via_link(attr, val, template) {
298
299 if (! template) template = $('template_name').value;
300 Logger.info('search called from link for '+attr+'='+val+' in '+template);
301 save_search(attr, val);
302
303 $('template_name').value = template;
304 submit_results_form( 1 );
305
306 return false;
307 }
308
309 /* save search and add element for it in search form */
310
311 var attr_rows = new Array();
312
313 function save_search( attr, val ) {
314 Logger.info('save_search('+attr+','+val+')');
315
316 var t=$('search_table');
317 if (! t) {
318 Logger.error("can't find search_table");
319 return undef;
320 }
321 reset_form();
322
323 var form = $('results_form');
324 var inputs = form.getElementsByTagName('input');
325
326 for (var i = 0; i < inputs.length; i++) {
327 var input = inputs[i];
328 if (input.name != attr) continue;
329 Logger.debug('found '+name+'='+input.value);
330 input.value = unescape( val );
331 return false;
332 }
333
334 var t_row_nr = t.rows.length;
335 var tr = t.insertRow( t_row_nr );
336
337 if (! tr) {
338 Logger.error("can't create row "+t_row_nr);
339 return undef;
340 }
341
342 var row_nr = attr_rows.length;
343 attr_rows[ row_nr ] = t_row_nr;
344
345 Logger.debug('added row '+t_row_nr+' to table [offset: '+row_nr+']');
346
347 var td = tr.insertCell(0);
348 td.setAttribute('align', 'right');
349 td.appendChild(
350 document.createTextNode(attr)
351 );
352
353 td = tr.insertCell(1);
354 td.setAttribute('align', 'left');
355
356 var el = document.createElement('input');
357 el.setAttribute('type', 'text');
358 el.setAttribute('disabled', 'true');
359 el.setAttribute('name', attr);
360 el.setAttribute('id', '_attr_'+attr+'_id');
361 el.setAttribute('size', val.length < 60 ? 60: val.length);
362 el.setAttribute('value', unescape( val ) );
363 td.appendChild(el);
364
365 var el = document.createElement('input');
366 el.setAttribute('type', 'button');
367 el.setAttribute('value', '-');
368 el.onclick = function () {
369 if (attr_rows[row_nr] == -1) {
370 Logger.error('row '+row_nr+' allready deleted');
371 return false;
372 }
373 Logger.info('remove:' + attr + ' row:'+row_nr+' ['+attr_rows[row_nr]+']');
374 t.deleteRow( attr_rows[row_nr] );
375
376 attr_rows[row_nr] = -1;
377 for (var i=(row_nr + 1); i < attr_rows.length; i++) {
378 attr_rows[i]--;
379 Logger.debug('moved '+i+' to '+attr_rows[i]);
380 }
381 submit_results_form();
382 return false;
383 }
384 td.appendChild(el);
385
386 return true;
387 };
388
389 /* update number of results for each database */
390
391 function update_results_stat( page_nr ) {
392 var el_name = 'node_results';
393 var all_stats = new Array();
394 var node_stat = new Array();
395
396 var s_el = $( el_name );
397
398 if ( s_el ) {
399 all_stats = s_el.value.split(/ /);
400 for (var i = 0; i < all_stats.length; i++) {
401 node_stat = all_stats[i].split(/\//);
402 var result_name = 'node_' + node_stat[0] + '_results';
403 var u_el = $( result_name );
404 if (u_el) {
405 Logger.debug("node "+node_stat[0]+" has "+node_stat[1]+" results");
406 u_el.innerHTML = node_stat[1] + '/';
407 if (node_stat[1] == 0)
408 Element.hide( 'node_'+node_stat[0] );
409 else
410 Element.show( 'node_'+node_stat[0] );
411 } else {
412 Logger.error("can't find " + result_name);
413 }
414 }
415 } else {
416 Logger.error("can't find element "+el_name);
417 }
418 }
419
420 /* function which is called using DOM.Ready when html_results div is ready */
421
422 function results_ready( page_nr ) {
423 if (! page_nr) page_nr = get_page_nr();
424 Logger.info("html_results ready, page "+page_nr);
425 update_results_stat( page_nr );
426 var el = $( 'toggle_database_list' );
427 if (el) {
428 el.onclick()
429 } else {
430 Logger.error("can't find toggle_database_list");
431 }
432 }
433

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