jQuery/flot/dataset_checkboxes.js

/* from example at http://people.iola.dk/olau/flot/examples/turning-series.html */

    // hard-code color indices to prevent them from shifting as
    // countries are turned on/off
    var i = 0;
    $.each(datasets, function(key, val) {
        val.color = i;
        ++i;
    });
    
    // insert checkboxes 
    var choiceContainer = $("#choices");
    $.each(datasets, function(key, val) {
        choiceContainer.append('<br/><input type="checkbox" name="' + key +
                               '" checked="checked" >' + val.label + '</input>');
    });
    choiceContainer.find("input").click(plotAccordingToChoices);

    
    function plotAccordingToChoices() {
        var data = [];

        choiceContainer.find("input:checked").each(function () {
            var key = $(this).attr("name");
            if (key && datasets[key])
                data.push(datasets[key]);
        });

        var placeholder = $('#placeholder');
        if ( ! placeholder ) alert("can't find #placeholder");

        if (data.length > 0)
            $.plot( placeholder, data, options);

        placeholder.bind("plotselected", function (event,ranges) {

                function DateTimeStr(t) {
                        var d = new Date( parseInt(t) );

                        function pad2(n) {
                                var s = new String(n);
                                if ( s.length == 1 ) {
                                        return '0' + s;
                                } else {
                                        return s;
                                }
                        }

                        var str =
                                pad2( d.getUTCFullYear() )  + '-' +
                                pad2( d.getUTCMonth() + 1 ) + '-' +
                                pad2( d.getUTCDate() )      + ' ' +
                                pad2( d.getUTCHours() )     + ':' +
                                pad2( d.getUTCMinutes() )   + ':' +
                                pad2( d.getUTCSeconds() )   ;

                        return str;
                }

                var from = DateTimeStr( ranges.xaxis.from.toFixed(1) );
                var to   = DateTimeStr( ranges.xaxis.to.toFixed(1)   );

                $('#selection').html(
                        from + ' &rarr; ' + to + ' ' +
                        '<a target="Frey::Shell::Log" href="/Frey::Shell::Log/as_sponge?from_datetime='+from+'&to_datetime='+to+'">see log</a>'
                );
        });

    }

    plotAccordingToChoices();

1	dpavlin	869	/* from example at http://people.iola.dk/olau/flot/examples/turning-series.html */
2
3			// hard-code color indices to prevent them from shifting as
4			// countries are turned on/off
5			var i = 0;
6			$.each(datasets, function(key, val) {
7			val.color = i;
8			++i;
9			});
10
11			// insert checkboxes
12			var choiceContainer = $("#choices");
13			$.each(datasets, function(key, val) {
14			choiceContainer.append('<br/><input type="checkbox" name="' + key +
15			'" checked="checked" >' + val.label + '</input>');
16			});
17			choiceContainer.find("input").click(plotAccordingToChoices);
18
19
20			function plotAccordingToChoices() {
21			var data = [];
22
23			choiceContainer.find("input:checked").each(function () {
24			var key = $(this).attr("name");
25			if (key && datasets[key])
26			data.push(datasets[key]);
27			});
28
29	dpavlin	878	var placeholder = $('#placeholder');
30			if ( ! placeholder ) alert("can't find #placeholder");
31
32	dpavlin	869	if (data.length > 0)
33	dpavlin	878	$.plot( placeholder, data, options);
34
35			placeholder.bind("plotselected", function (event,ranges) {
36
37			function DateTimeStr(t) {
38			var d = new Date( parseInt(t) );
39
40			function pad2(n) {
41			var s = new String(n);
42			if ( s.length == 1 ) {
43			return '0' + s;
44			} else {
45			return s;
46			}
47			}
48
49			var str =
50			pad2( d.getUTCFullYear() ) + '-' +
51			pad2( d.getUTCMonth() + 1 ) + '-' +
52	dpavlin	890	pad2( d.getUTCDate() ) + ' ' +
53	dpavlin	878	pad2( d.getUTCHours() ) + ':' +
54			pad2( d.getUTCMinutes() ) + ':' +
55			pad2( d.getUTCSeconds() ) ;
56
57			return str;
58			}
59
60	dpavlin	897	var from = DateTimeStr( ranges.xaxis.from.toFixed(1) );
61			var to = DateTimeStr( ranges.xaxis.to.toFixed(1) );
62
63			$('#selection').html(
64			from + ' → ' + to + ' ' +
65			'<a target="Frey::Shell::Log" href="/Frey::Shell::Log/as_sponge?from_datetime='+from+'&to_datetime='+to+'">see log</a>'
66			);
67	dpavlin	878	});
68
69	dpavlin	869	}
70
71			plotAccordingToChoices();
72