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 );

                var results_div = 'results';
                var page_nr = get_page_nr() || 0;
                if (page_nr > 1) {
                        results_div += '_' + page_nr;
                }

                if (! $( results_div )) {
                        Logger.error('next page div '+results_div+' doesn\'t exist');
                        results_div = 'results';
                }

                var i_nr = 0;

                var t = 'searching_'+page_nr;
                if ( $(t) ) {
                        i_nr = page_nr;
                        Logger.debug('indicator div '+t+' found, using indicator nr: '+i_nr);
                } else {
                        Logger.debug('can\'t find indicator div '+t);
                }

                Logger.debug('submit_results_form page:'+page_nr+' div:'+results_div+' '+form_params);

                new Ajax.Updater( results_div, '/search/results/ajax', {
                        parameters: form_params,
                        asynchronous: 1,
                        onLoading: function(request) {
                                Logger.info( 'loading page '+page_nr+' into '+progress_div );
                                show_searching( page_nr );
                        },
                        onLoaded: function(request) {
                                Logger.info( 'page '+page_nr+' loaded into '+progress_div );
                                hide_searching( page_nr );
                        }
                } ) ;
                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( page_nr ) {
        Logger.debug('show_searching '+page_nr);
        var el = 'searching';
        if (page_nr && page_nr > 1) el += '_'+page_nr;
        Element.show( el );
        search_active = 1;
        return false;
}

function hide_searching( page_nr ) {
        Logger.debug('hide_searching '+page_nr);
        var el = 'searching';
        if (page_nr && page_nr > 1) {
                Element.hide('page_'+(page_nr - 1));
        }
        Element.hide( el );
        search_active = 0;
//      new Effect.Appear('results', { duration: 0.3 });
        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;
        $('page_nr').value = 1;
        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	dpavlin	283	// 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	dpavlin	324	$('page_nr').value = nr;
64	dpavlin	283	}
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	dpavlin	354	var results_div = 'results';
114			var page_nr = get_page_nr() \|\| 0;
115			if (page_nr > 1) {
116			results_div += '_' + page_nr;
117			}
118	dpavlin	283
119	dpavlin	354	if (! $( results_div )) {
120			Logger.error('next page div '+results_div+' doesn\'t exist');
121			results_div = 'results';
122			}
123
124			var i_nr = 0;
125
126			var t = 'searching_'+page_nr;
127			if ( $(t) ) {
128			i_nr = page_nr;
129			Logger.debug('indicator div '+t+' found, using indicator nr: '+i_nr);
130			} else {
131			Logger.debug('can\'t find indicator div '+t);
132			}
133
134			Logger.debug('submit_results_form page:'+page_nr+' div:'+results_div+' '+form_params);
135
136			new Ajax.Updater( results_div, '/search/results/ajax', {
137	dpavlin	283	parameters: form_params,
138			asynchronous: 1,
139			onLoading: function(request) {
140	dpavlin	354	Logger.info( 'loading page '+page_nr+' into '+progress_div );
141			show_searching( page_nr );
142	dpavlin	283	},
143			onLoaded: function(request) {
144	dpavlin	354	Logger.info( 'page '+page_nr+' loaded into '+progress_div );
145			hide_searching( page_nr );
146	dpavlin	283	}
147			} ) ;
148			return false;
149			} else {
150			Logger.debug('no results_form element');
151			return undef;
152			}
153			return false;
154			}
155
156			/*
157			helper functions for submit_results_form()
158			*/
159
160			var search_active = 0;
161
162	dpavlin	354	function show_searching( page_nr ) {
163			Logger.debug('show_searching '+page_nr);
164			var el = 'searching';
165			if (page_nr && page_nr > 1) el += '_'+page_nr;
166			Element.show( el );
167	dpavlin	283	search_active = 1;
168			return false;
169			}
170
171	dpavlin	354	function hide_searching( page_nr ) {
172			Logger.debug('hide_searching '+page_nr);
173			var el = 'searching';
174			if (page_nr && page_nr > 1) {
175			Element.hide('page_'+(page_nr - 1));
176			}
177			Element.hide( el );
178			search_active = 0;
179	dpavlin	283	// new Effect.Appear('results', { duration: 0.3 });
180			return false;
181			}
182
183			/*
184			load record nr in some template
185			*/
186
187			function load_rec(record_uri, tmp_template_filename) {
188			if (! tmp_template_filename) tmp_template_filename = template_filename;
189			Logger.info('load_rec '+record_uri+' in '+tmp_template_filename);
190
191			var results_form = $('results_form');
192
193			if (results_form) {
194			var args = '?record_uri='+record_uri+'&template_filename='+tmp_template_filename;
195			Logger.debug('Ajax.Updater(results,/search/record) '+args);
196
197			new Ajax.Updater( 'results', '/search/record'+args, {
198			asynchronous: 1,
199			onLoading: function(request) {
200			show_searching();
201			},
202			onLoaded: function(request) {
203			hide_searching();
204			}
205			} ) ;
206			return false;
207			} else {
208			Logger.debug('no results_form element');
209			return undef;
210			}
211			return false;
212			}
213
214			/* click on checkbox */
215
216			function checkbox_click() {
217			if (search_active) return false;
218	dpavlin	329	Logger.debug('checkbox_click');
219	dpavlin	283	submit_results_form();
220			return true;
221			}
222
223	dpavlin	329	/* toggle or select checkbox with value toggle */
224
225			function checkbox_toggle( name, val ) {
226			return checkbox_magic( name, val, 0 );
227			}
228
229			function checkbox_single( name, val ) {
230			return checkbox_magic( name, val, 1 );
231			}
232
233			function checkbox_magic( name, val, single ) {
234
235			Logger.info('checkbox_magic('+name+','+val+','+single+')');
236
237			var form = $('results_form');
238			var inputs = form.getElementsByTagName('input');
239
240			for (var i = 0; i < inputs.length; i++) {
241			var input = inputs[i];
242			if (input.type != 'checkbox') continue;
243			if (single) {
244			input.checked = false;
245			}
246			if (input.name != name \|\| input.value != val) continue;
247			Logger.debug('toggle '+input.name+'='+input.value+' '+input.checked);
248			input.checked = ! input.checked;
249			if (! single) {
250			submit_results_form();
251			return false;
252			}
253			}
254			submit_results_form();
255			return false;
256			}
257
258	dpavlin	325	/* reset form fields in _reset hidden field to nothing */
259
260			function reset_form() {
261			Logger.info('reset '+$F('_reset'));
262
263			var names = new Array();
264			names = $F('_reset').split(',');
265			for(var i = 0; i < names.length; i++) {
266			Logger.debug('reset '+i+': '+names[i]);
267			$(names[i]).value='';
268			}
269
270			var t=$('search_table');
271	dpavlin	327	var max_p = t.rows.length;
272	dpavlin	325	for(var i = 0; i < attr_rows.length; i++) {
273			var p = attr_rows[i];
274			if (p != -1) {
275	dpavlin	327	if (p < max_p) {
276			Logger.debug('delete row '+p);
277			t.deleteRow( p );
278			} else {
279			Logger.error('skipping invalid delete row '+p);
280			}
281	dpavlin	325	}
282			}
283
284	dpavlin	327	attr_rows = new Array();
285
286	dpavlin	325	return false;
287			}
288
289	dpavlin	322	/* helper function for [% search($display, $search, $delimiter) %] */
290
291			function search_via_link(attr, val, template) {
292
293			if (! template) template = $('template_name').value;
294			Logger.info('search called from link for '+attr+'='+val+' in '+template);
295	dpavlin	325	save_search(attr, val);
296	dpavlin	322
297	dpavlin	325	$('template_name').value = template;
298	dpavlin	360	$('page_nr').value = 1;
299	dpavlin	325	submit_results_form();
300	dpavlin	322
301			return false;
302			}
303
304	dpavlin	324	/* save search and add element for it in search form */
305	dpavlin	322
306	dpavlin	324	var attr_rows = new Array();
307
308	dpavlin	322	function save_search( attr, val ) {
309	dpavlin	324	Logger.info('save_search('+attr+','+val+')');
310	dpavlin	322
311			var t=$('search_table');
312			if (! t) {
313			Logger.error("can't find search_table");
314	dpavlin	324	return undef;
315	dpavlin	322	}
316	dpavlin	325	reset_form();
317	dpavlin	322
318	dpavlin	328	var form = $('results_form');
319			var inputs = form.getElementsByTagName('input');
320
321			for (var i = 0; i < inputs.length; i++) {
322			var input = inputs[i];
323			if (input.name != attr) continue;
324			Logger.debug('found '+name+'='+input.value);
325			input.value = unescape( val );
326			return false;
327			}
328
329	dpavlin	324	var t_row_nr = t.rows.length;
330			var tr = t.insertRow( t_row_nr );
331	dpavlin	322
332	dpavlin	324	if (! tr) {
333			Logger.error("can't create row "+t_row_nr);
334			return undef;
335			}
336
337			var row_nr = attr_rows.length;
338			attr_rows[ row_nr ] = t_row_nr;
339
340			Logger.debug('added row '+t_row_nr+' to table [offset: '+row_nr+']');
341
342	dpavlin	322	var td = tr.insertCell(0);
343			td.setAttribute('align', 'right');
344			td.appendChild(
345			document.createTextNode(attr)
346			);
347
348			td = tr.insertCell(1);
349			td.setAttribute('align', 'left');
350
351			var el = document.createElement('input');
352			el.setAttribute('type', 'text');
353			el.setAttribute('disabled', 'true');
354			el.setAttribute('name', attr);
355			el.setAttribute('id', '_attr_'+attr+'_id');
356	dpavlin	324	el.setAttribute('size', val.length < 60 ? 60: val.length);
357			el.setAttribute('value', unescape( val ) );
358	dpavlin	322	td.appendChild(el);
359
360			var el = document.createElement('input');
361			el.setAttribute('type', 'button');
362			el.setAttribute('value', '-');
363			el.onclick = function () {
364	dpavlin	324	if (attr_rows[row_nr] == -1) {
365			Logger.error('row '+row_nr+' allready deleted');
366			return false;
367			}
368			Logger.info('remove:' + attr + ' row:'+row_nr+' ['+attr_rows[row_nr]+']');
369			t.deleteRow( attr_rows[row_nr] );
370
371			attr_rows[row_nr] = -1;
372			for (var i=(row_nr + 1); i < attr_rows.length; i++) {
373			attr_rows[i]--;
374			Logger.debug('moved '+i+' to '+attr_rows[i]);
375			}
376	dpavlin	322	submit_results_form();
377			return false;
378			}
379			td.appendChild(el);
380
381			return true;
382			};