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;
        submit_results_form();
        Logger.debug('checkbox_click');
        return true;
}

/* 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 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			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 = $('results_form');
165
166			if (results_form) {
167			var args = '?record_uri='+record_uri+'&template_filename='+tmp_template_filename;
168			Logger.debug('Ajax.Updater(results,/search/record) '+args);
169
170			new Ajax.Updater( 'results', '/search/record'+args, {
171			asynchronous: 1,
172			onLoading: function(request) {
173			show_searching();
174			},
175			onLoaded: function(request) {
176			hide_searching();
177			}
178			} ) ;
179			return false;
180			} else {
181			Logger.debug('no results_form element');
182			return undef;
183			}
184			return false;
185			}
186
187			/* click on checkbox */
188
189			function checkbox_click() {
190			if (search_active) return false;
191			submit_results_form();
192			Logger.debug('checkbox_click');
193			return true;
194			}
195
196	dpavlin	325	/* reset form fields in _reset hidden field to nothing */
197
198			function reset_form() {
199			Logger.info('reset '+$F('_reset'));
200
201			var names = new Array();
202			names = $F('_reset').split(',');
203			for(var i = 0; i < names.length; i++) {
204			Logger.debug('reset '+i+': '+names[i]);
205			$(names[i]).value='';
206			}
207
208			var t=$('search_table');
209	dpavlin	327	var max_p = t.rows.length;
210	dpavlin	325	for(var i = 0; i < attr_rows.length; i++) {
211			var p = attr_rows[i];
212			if (p != -1) {
213	dpavlin	327	if (p < max_p) {
214			Logger.debug('delete row '+p);
215			t.deleteRow( p );
216			} else {
217			Logger.error('skipping invalid delete row '+p);
218			}
219	dpavlin	325	}
220			}
221
222	dpavlin	327	attr_rows = new Array();
223
224	dpavlin	325	return false;
225			}
226
227	dpavlin	322	/* helper function for [% search($display, $search, $delimiter) %] */
228
229			function search_via_link(attr, val, template) {
230
231			if (! template) template = $('template_name').value;
232			Logger.info('search called from link for '+attr+'='+val+' in '+template);
233	dpavlin	325	save_search(attr, val);
234	dpavlin	322
235	dpavlin	325	$('template_name').value = template;
236			submit_results_form();
237	dpavlin	322
238			return false;
239			}
240
241	dpavlin	324	/* save search and add element for it in search form */
242	dpavlin	322
243	dpavlin	324	var attr_rows = new Array();
244
245	dpavlin	322	function save_search( attr, val ) {
246	dpavlin	324	Logger.info('save_search('+attr+','+val+')');
247	dpavlin	322
248			var t=$('search_table');
249			if (! t) {
250			Logger.error("can't find search_table");
251	dpavlin	324	return undef;
252	dpavlin	322	}
253	dpavlin	325	reset_form();
254	dpavlin	322
255	dpavlin	324	var t_row_nr = t.rows.length;
256			var tr = t.insertRow( t_row_nr );
257	dpavlin	322
258	dpavlin	324	if (! tr) {
259			Logger.error("can't create row "+t_row_nr);
260			return undef;
261			}
262
263			var row_nr = attr_rows.length;
264			attr_rows[ row_nr ] = t_row_nr;
265
266			Logger.debug('added row '+t_row_nr+' to table [offset: '+row_nr+']');
267
268	dpavlin	322	var td = tr.insertCell(0);
269			td.setAttribute('align', 'right');
270			td.appendChild(
271			document.createTextNode(attr)
272			);
273
274			td = tr.insertCell(1);
275			td.setAttribute('align', 'left');
276
277			var el = document.createElement('input');
278			el.setAttribute('type', 'text');
279			el.setAttribute('disabled', 'true');
280			el.setAttribute('name', attr);
281			el.setAttribute('id', '_attr_'+attr+'_id');
282	dpavlin	324	el.setAttribute('size', val.length < 60 ? 60: val.length);
283			el.setAttribute('value', unescape( val ) );
284	dpavlin	322	td.appendChild(el);
285
286			var el = document.createElement('input');
287			el.setAttribute('type', 'button');
288			el.setAttribute('value', '-');
289			el.onclick = function () {
290	dpavlin	324	if (attr_rows[row_nr] == -1) {
291			Logger.error('row '+row_nr+' allready deleted');
292			return false;
293			}
294			Logger.info('remove:' + attr + ' row:'+row_nr+' ['+attr_rows[row_nr]+']');
295			t.deleteRow( attr_rows[row_nr] );
296
297			attr_rows[row_nr] = -1;
298			for (var i=(row_nr + 1); i < attr_rows.length; i++) {
299			attr_rows[i]--;
300			Logger.debug('moved '+i+' to '+attr_rows[i]);
301			}
302	dpavlin	322	submit_results_form();
303			return false;
304			}
305			td.appendChild(el);
306
307			return true;
308			};