root/js/webpac.js

// WebPAC AJAX 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 = nr;
        $('page_nr').value = page_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;
}

/*
        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) '+form_params);

                new Ajax.Updater( 'results', '/search/results', {
                        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()
*/
function show_searching() {
        Logger.debug('show_searching');
        Element.show('searching');
//      new Effect.Fade('results', { duration: 0.3 });
        return false;
}

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

1	// WebPAC AJAX 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 = nr;
64	$('page_nr').value = page_nr;
65	}
66
67	/* syntaxtic sugar */
68	function set_page_nr(nr) {
69	return load_results_page(nr);
70	}
71
72	function next_page() {
73	load_results_page( get_page_nr() + 1 );
74	return false;
75	}
76
77	function prev_page() {
78	load_results_page( get_page_nr() - 1 );
79	return false;
80	}
81
82	/*
83	submit results form using AJAX
84	*/
85	function submit_results_form() {
86	var results_form = $('results_form');
87
88	if (results_form) {
89	var form_params = Form.serialize( results_form );
90
91	Logger.debug('Ajax.Updater(results,/results) '+form_params);
92
93	new Ajax.Updater( 'results', '/search/results', {
94	parameters: form_params,
95	asynchronous: 1,
96	onLoading: function(request) {
97	show_searching();
98	},
99	onLoaded: function(request) {
100	hide_searching();
101	}
102	} ) ;
103	return false;
104	} else {
105	Logger.debug('no results_form element');
106	return undef;
107	}
108	return false;
109	}
110
111	/*
112	helper functions for submit_results_form()
113	*/
114	function show_searching() {
115	Logger.debug('show_searching');
116	Element.show('searching');
117	// new Effect.Fade('results', { duration: 0.3 });
118	return false;
119	}
120
121	function hide_searching() {
122	Logger.debug('hide_searching');
123	Element.hide('searching');
124	new Effect.Highlight('results');
125	// new Effect.Appear('results', { duration: 0.3 });
126	return false;
127	}
128