root/js/search.js

// WebPAC API
//
// Documented in this code only, I'm afraid. Beware of dragons!
// Dobrica Pavlinusic dpavlin(at)rot13(dot)org 2005-11-22

/*
        load another template
*/
function load_template(template_name) {

        var old_template = $('template_name').value;

        Logger.info('load_template: '+template_name+' (old: '+old_template+')');

        if (template_name == old_template) {
                Logger.error('why reload same template?');
                return false;
        }

        $('template_name').value = template_name;
        submit_results_form();
        return false;
}

/*
        pager
*/
function load_results_page(page_nr) {

        if (parseInt(page_nr) != page_nr) {
                Logger.error("load_results_page can't parseInt "+page_nr);
                return false;
        }

        var old_page = get_page_nr();

        if (page_nr < 1) {
                Logger.error("load_results_page called with '"+page_nr+"' < 1");
                return false;
        }

        Logger.info('load_results_page: '+page_nr+' (from page: '+old_page+')');

        if (page_nr == old_page) {
                Logger.error('why reload same page?');
                return false;
        }

        $('page_nr').value = page_nr;
        submit_results_form();

        return false;
}

function get_page_nr() {
        var page_nr = parseInt( $('page_nr').value ) || 1;
        return page_nr;
}

function reset_page_nr( nr ) {
        if (! nr) nr = 1;
        Logger.info('reset_page_nr to '+nr);
        $('page_nr').value = nr;
}

/* syntaxtic sugar */
function set_page_nr(nr) {
        return load_results_page(nr);
}

function next_page() {
        load_results_page( get_page_nr() + 1 );
        return false;
}

function prev_page() {
        load_results_page( get_page_nr() - 1 );
        return false;
}

/* toggle visibility and replace text with something else */
function toggleLinkAndElement ( link, elementID, text ) {

        if ( link.innerHTML != text ) {
                // change link text
                link.oldInnerHTML = link.innerHTML;
                link.innerHTML = text;    
        } else {
                // change it back
                link.innerHTML = link.oldInnerHTML;
        }

        Logger.debug('toggleLinkAndElement '+elementID+': '+Element.visible( elementID )+' text: '+text);

        Element.toggle( elementID );

        // why is this needed, Firefox 1.5?
        if (Element.visible( elementID )) $( elementID ).style.display = 'block';

        return false;
}


/*
        submit results form using AJAX
*/
function submit_results_form() {
        var results_form = $('results_form');

        if (results_form) {
                var form_params = Form.serialize( results_form );

                Logger.debug('Ajax.Updater(results,/results/ajax) '+form_params);

                new Ajax.Updater( 'results', '/search/results/ajax', {
                        parameters: form_params,
                        asynchronous: 1,
                        onLoading: function(request) {
                                show_searching();
                        },
                        onLoaded: function(request) {
                                hide_searching();
                        }
                } ) ;
                return false;
        } else {
                Logger.debug('no results_form element');
                return undef;
        }
        return false;
}

/*
        helper functions for submit_results_form()
*/

var search_active = 0;

function show_searching() {
        Logger.debug('show_searching');
        Element.show('searching');
//      new Effect.Fade('results', { duration: 0.3 });
        search_active = 1;
        return false;
}

function hide_searching() {
        Logger.debug('hide_searching');
        Element.hide('searching');
//      new Effect.Highlight('results');
//      new Effect.Appear('results', { duration: 0.3 });
        search_active = 0;
        return false;
}

/*
        load record nr in some template
*/

function load_rec(record_uri, tmp_template_filename) {
        if (! tmp_template_filename) tmp_template_filename = template_filename;
        Logger.info('load_rec '+record_uri+' in '+tmp_template_filename);

        var results_form = $('results_form');

        if (results_form) {
                var args = '?record_uri='+record_uri+'&template_filename='+tmp_template_filename;
                Logger.debug('Ajax.Updater(results,/search/record) '+args);

                new Ajax.Updater( 'results', '/search/record'+args, {
                        asynchronous: 1,
                        onLoading: function(request) {
                                show_searching();
                        },
                        onLoaded: function(request) {
                                hide_searching();
                        }
                } ) ;
                return false;
        } else {
                Logger.debug('no results_form element');
                return undef;
        }
        return false;
}

/* click on checkbox */

function checkbox_click() {
        if (search_active) return false;
        Logger.debug('checkbox_click');
        submit_results_form();
        return true;
}

/* toggle or select checkbox with value toggle */

function checkbox_toggle( name, val ) {
        return checkbox_magic( name, val, 0 );
}

function checkbox_single( name, val ) {
        return checkbox_magic( name, val, 1 );
}

function checkbox_magic( name, val, single ) {

        Logger.info('checkbox_magic('+name+','+val+','+single+')');

        var form = $('results_form');
        var inputs = form.getElementsByTagName('input');

        for (var i = 0; i < inputs.length; i++) {
                var input = inputs[i];
                if (input.type != 'checkbox') continue;
                if (single) {
                        input.checked = false;
                }
                if (input.name != name || input.value != val) continue;
                Logger.debug('toggle '+input.name+'='+input.value+' '+input.checked);
                input.checked = ! input.checked;
                if (! single) {
                        submit_results_form();
                        return false;
                }
        }
        submit_results_form();
        return false;
}

/* reset form fields in _reset hidden field to nothing */

function reset_form() {
        Logger.info('reset '+$F('_reset'));

        var names = new Array();
        names = $F('_reset').split(',');
        for(var i = 0; i < names.length; i++) {
                Logger.debug('reset '+i+': '+names[i]);
                $(names[i]).value='';
        }

        var t=$('search_table');
        var max_p = t.rows.length;
        for(var i = 0; i < attr_rows.length; i++) {
                var p = attr_rows[i];
                if (p != -1) {
                        if (p < max_p) {
                                Logger.debug('delete row '+p);
                                t.deleteRow( p );
                        } else {
                                Logger.error('skipping invalid delete row '+p);
                        }
                }
        }

        attr_rows = new Array();

        return false;
}

/* helper function for [% search($display, $search, $delimiter) %] */

function search_via_link(attr, val, template) {

        if (! template) template = $('template_name').value;
        Logger.info('search called from link for '+attr+'='+val+' in '+template);
        save_search(attr, val); 

        $('template_name').value = template;
        submit_results_form();

        return false;
}

/* save search and add element for it in search form */

var attr_rows = new Array();

function save_search( attr, val ) {
        Logger.info('save_search('+attr+','+val+')');

        var t=$('search_table');
        if (! t) {
                Logger.error("can't find search_table");
                return undef;
        }
        reset_form();

        var form = $('results_form');
        var inputs = form.getElementsByTagName('input');

        for (var i = 0; i < inputs.length; i++) {
                var input = inputs[i];
                if (input.name != attr) continue;
                Logger.debug('found '+name+'='+input.value);
                input.value = unescape( val );
                return false;
        }

        var t_row_nr = t.rows.length;
        var tr = t.insertRow( t_row_nr );

        if (! tr) {
                Logger.error("can't create row "+t_row_nr);
                return undef;
        }

        var row_nr = attr_rows.length;
        attr_rows[ row_nr ] = t_row_nr;

        Logger.debug('added row '+t_row_nr+' to table [offset: '+row_nr+']');

        var td = tr.insertCell(0);
        td.setAttribute('align', 'right');
        td.appendChild(
                document.createTextNode(attr)
        );

        td = tr.insertCell(1);
        td.setAttribute('align', 'left');

        var el = document.createElement('input');
        el.setAttribute('type', 'text');
        el.setAttribute('disabled', 'true');
        el.setAttribute('name', attr);
        el.setAttribute('id', '_attr_'+attr+'_id');
        el.setAttribute('size', val.length < 60 ? 60: val.length);
        el.setAttribute('value', unescape( val ) );
        td.appendChild(el);

        var el = document.createElement('input');
        el.setAttribute('type', 'button');
        el.setAttribute('value', '-');
        el.onclick = function () {
                if (attr_rows[row_nr] == -1) {
                        Logger.error('row '+row_nr+' allready deleted');
                        return false;
                }
                Logger.info('remove:' + attr + ' row:'+row_nr+' ['+attr_rows[row_nr]+']');
                t.deleteRow( attr_rows[row_nr] );

                attr_rows[row_nr] = -1;
                for (var i=(row_nr + 1); i < attr_rows.length; i++) {
                        attr_rows[i]--;
                        Logger.debug('moved '+i+' to '+attr_rows[i]);
                }
                submit_results_form();
                return false;
        }
        td.appendChild(el);

        return true;
};
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();
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	$('page_nr').value = page_nr;
50	submit_results_form();
51
52	return false;
53	}
54
55	function get_page_nr() {
56	var page_nr = parseInt( $('page_nr').value ) \|\| 1;
57	return page_nr;
58	}
59
60	function reset_page_nr( nr ) {
61	if (! nr) nr = 1;
62	Logger.info('reset_page_nr to '+nr);
63	$('page_nr').value = nr;
64	}
65
66	/* syntaxtic sugar */
67	function set_page_nr(nr) {
68	return load_results_page(nr);
69	}
70
71	function next_page() {
72	load_results_page( get_page_nr() + 1 );
73	return false;
74	}
75
76	function prev_page() {
77	load_results_page( get_page_nr() - 1 );
78	return false;
79	}
80
81	/* toggle visibility and replace text with something else */
82	function toggleLinkAndElement ( link, elementID, text ) {
83
84	if ( link.innerHTML != text ) {
85	// change link text
86	link.oldInnerHTML = link.innerHTML;
87	link.innerHTML = text;
88	} else {
89	// change it back
90	link.innerHTML = link.oldInnerHTML;
91	}
92
93	Logger.debug('toggleLinkAndElement '+elementID+': '+Element.visible( elementID )+' text: '+text);
94
95	Element.toggle( elementID );
96
97	// why is this needed, Firefox 1.5?
98	if (Element.visible( elementID )) $( elementID ).style.display = 'block';
99
100	return false;
101	}
102
103
104	/*
105	submit results form using AJAX
106	*/
107	function submit_results_form() {
108	var results_form = $('results_form');
109
110	if (results_form) {
111	var form_params = Form.serialize( results_form );
112
113	Logger.debug('Ajax.Updater(results,/results/ajax) '+form_params);
114
115	new Ajax.Updater( 'results', '/search/results/ajax', {
116	parameters: form_params,
117	asynchronous: 1,
118	onLoading: function(request) {
119	show_searching();
120	},
121	onLoaded: function(request) {
122	hide_searching();
123	}
124	} ) ;
125	return false;
126	} else {
127	Logger.debug('no results_form element');
128	return undef;
129	}
130	return false;
131	}
132
133	/*
134	helper functions for submit_results_form()
135	*/
136
137	var search_active = 0;
138
139	function show_searching() {
140	Logger.debug('show_searching');
141	Element.show('searching');
142	// new Effect.Fade('results', { duration: 0.3 });
143	search_active = 1;
144	return false;
145	}
146
147	function hide_searching() {
148	Logger.debug('hide_searching');
149	Element.hide('searching');
150	// new Effect.Highlight('results');
151	// new Effect.Appear('results', { duration: 0.3 });
152	search_active = 0;
153	return false;
154	}
155
156	/*
157	load record nr in some template
158	*/
159
160	function load_rec(record_uri, tmp_template_filename) {
161	if (! tmp_template_filename) tmp_template_filename = template_filename;
162	Logger.info('load_rec '+record_uri+' in '+tmp_template_filename);
163
164	var results_form = $('results_form');
165
166	if (results_form) {
167	var args = '?record_uri='+record_uri+'&template_filename='+tmp_template_filename;
168	Logger.debug('Ajax.Updater(results,/search/record) '+args);
169
170	new Ajax.Updater( 'results', '/search/record'+args, {
171	asynchronous: 1,
172	onLoading: function(request) {
173	show_searching();
174	},
175	onLoaded: function(request) {
176	hide_searching();
177	}
178	} ) ;
179	return false;
180	} else {
181	Logger.debug('no results_form element');
182	return undef;
183	}
184	return false;
185	}
186
187	/* click on checkbox */
188
189	function checkbox_click() {
190	if (search_active) return false;
191	Logger.debug('checkbox_click');
192	submit_results_form();
193	return true;
194	}
195
196	/* toggle or select checkbox with value toggle */
197
198	function checkbox_toggle( name, val ) {
199	return checkbox_magic( name, val, 0 );
200	}
201
202	function checkbox_single( name, val ) {
203	return checkbox_magic( name, val, 1 );
204	}
205
206	function checkbox_magic( name, val, single ) {
207
208	Logger.info('checkbox_magic('+name+','+val+','+single+')');
209
210	var form = $('results_form');
211	var inputs = form.getElementsByTagName('input');
212
213	for (var i = 0; i < inputs.length; i++) {
214	var input = inputs[i];
215	if (input.type != 'checkbox') continue;
216	if (single) {
217	input.checked = false;
218	}
219	if (input.name != name \|\| input.value != val) continue;
220	Logger.debug('toggle '+input.name+'='+input.value+' '+input.checked);
221	input.checked = ! input.checked;
222	if (! single) {
223	submit_results_form();
224	return false;
225	}
226	}
227	submit_results_form();
228	return false;
229	}
230
231	/* reset form fields in _reset hidden field to nothing */
232
233	function reset_form() {
234	Logger.info('reset '+$F('_reset'));
235
236	var names = new Array();
237	names = $F('_reset').split(',');
238	for(var i = 0; i < names.length; i++) {
239	Logger.debug('reset '+i+': '+names[i]);
240	$(names[i]).value='';
241	}
242
243	var t=$('search_table');
244	var max_p = t.rows.length;
245	for(var i = 0; i < attr_rows.length; i++) {
246	var p = attr_rows[i];
247	if (p != -1) {
248	if (p < max_p) {
249	Logger.debug('delete row '+p);
250	t.deleteRow( p );
251	} else {
252	Logger.error('skipping invalid delete row '+p);
253	}
254	}
255	}
256
257	attr_rows = new Array();
258
259	return false;
260	}
261
262	/* helper function for [% search($display, $search, $delimiter) %] */
263
264	function search_via_link(attr, val, template) {
265
266	if (! template) template = $('template_name').value;
267	Logger.info('search called from link for '+attr+'='+val+' in '+template);
268	save_search(attr, val);
269
270	$('template_name').value = template;
271	submit_results_form();
272
273	return false;
274	}
275
276	/* save search and add element for it in search form */
277
278	var attr_rows = new Array();
279
280	function save_search( attr, val ) {
281	Logger.info('save_search('+attr+','+val+')');
282
283	var t=$('search_table');
284	if (! t) {
285	Logger.error("can't find search_table");
286	return undef;
287	}
288	reset_form();
289
290	var form = $('results_form');
291	var inputs = form.getElementsByTagName('input');
292
293	for (var i = 0; i < inputs.length; i++) {
294	var input = inputs[i];
295	if (input.name != attr) continue;
296	Logger.debug('found '+name+'='+input.value);
297	input.value = unescape( val );
298	return false;
299	}
300
301	var t_row_nr = t.rows.length;
302	var tr = t.insertRow( t_row_nr );
303
304	if (! tr) {
305	Logger.error("can't create row "+t_row_nr);
306	return undef;
307	}
308
309	var row_nr = attr_rows.length;
310	attr_rows[ row_nr ] = t_row_nr;
311
312	Logger.debug('added row '+t_row_nr+' to table [offset: '+row_nr+']');
313
314	var td = tr.insertCell(0);
315	td.setAttribute('align', 'right');
316	td.appendChild(
317	document.createTextNode(attr)
318	);
319
320	td = tr.insertCell(1);
321	td.setAttribute('align', 'left');
322
323	var el = document.createElement('input');
324	el.setAttribute('type', 'text');
325	el.setAttribute('disabled', 'true');
326	el.setAttribute('name', attr);
327	el.setAttribute('id', '_attr_'+attr+'_id');
328	el.setAttribute('size', val.length < 60 ? 60: val.length);
329	el.setAttribute('value', unescape( val ) );
330	td.appendChild(el);
331
332	var el = document.createElement('input');
333	el.setAttribute('type', 'button');
334	el.setAttribute('value', '-');
335	el.onclick = function () {
336	if (attr_rows[row_nr] == -1) {
337	Logger.error('row '+row_nr+' allready deleted');
338	return false;
339	}
340	Logger.info('remove:' + attr + ' row:'+row_nr+' ['+attr_rows[row_nr]+']');
341	t.deleteRow( attr_rows[row_nr] );
342
343	attr_rows[row_nr] = -1;
344	for (var i=(row_nr + 1); i < attr_rows.length; i++) {
345	attr_rows[i]--;
346	Logger.debug('moved '+i+' to '+attr_rows[i]);
347	}
348	submit_results_form();
349	return false;
350	}
351	td.appendChild(el);
352
353	return true;
354	};