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function updateDate() {
//
// Date.getTime() returns *milliseconds*
//
var this_date = workoutDate( $( '#n_hours' ).val(), $( '#type_hours' ).val() );
$( '#ack_until' ).val( this_date.getTime()/1000 );
//
// Use a asynchronous ajax convert a date to a human string. NB Date.getTime()
// returns *milliseconds*
//
$.ajax( {
url: '/ajax/time_to_s_human/'+this_date.getTime()/1000,
timeout: 1000,
success: function( data ) { $( '#ack_until_text' ).html( "( until "+data+" )" ); },
error: function( a,b,c ) { $( '#ack_until_text' ).html( "( until "+this_date.toString()+" )" ); }
} );
return false;
}
function workoutDate( h, type ) {
n = new Number( h );
n *= 3600 * 1000;
if ( type == null ) {
type = "wallclock" ;
}
var step = 3600 * 1000;
//
// Get the time now, in milliseconds
//
var d = new Date();
var t = d.getTime();
//
// Can't ack longer than a week
//
var maxDate = new Date( d.getTime() + 1000 * 86400 * 8 )
//
// Work out how much time to subtract now
//
while ( n >= 0 && t < maxDate.getTime() ) {
//
// If we're currently OK, and we won't be OK after the next step ( or
// vice-versa ) decrease step size, and try again
//
if ( doTimeTest( t, type ) != doTimeTest( t+step, type ) ) {
//
// Unless we're on the smallest step, try a smaller one.
//
if ( step > 1000 ) {
step /= 60;
} else {
if ( doTimeTest( t, type ) ) n -= step;
t += step;
//
// Set the step size back to an hour
//
step = 3600*1000;
}
continue;
}
//
// Decrease the time by the step size if we're currently OK.
//
if ( doTimeTest( t, type ) ) n -= step;
t += step;
}
//
// Substract any overshoot.
//
if ( n < 0 ) t += n;
//
// Make sure we can't ack alerts too far in the future.
//
return ( t > maxDate.getTime() ? maxDate : new Date( t ) );
}
function fetchDetail( a ) {
// Use a synchronous ajax request to fetch the date.
$.get( '/ajax/alerts_table_alert_detail/'+a,
function( data ) {
$( '#tr_summary_'+a ).after( data );
// Only fetch the data once.
$( '#a_detail_'+a ).attr( "onclick",null ).click( function() { $( '#tr_detail_'+a ).toggle(); return false; } );
} );
return false;
}
//
// This expects its arguments as a time in milliseconds, and a type of "working", "daytime", or something else.
//
function doTimeTest( t, type ) {
var d = new Date( t );
var r = false;
switch ( type ) {
case "working":
r = ( d.getDay() > 0 && d.getDay() < 6 &&
( ( d.getHours() >= 9 && d.getHours() <= 16 ) ||
( d.getHours() == 8 && d.getMinutes() >= 30 )
) );
break;
case "daytime":
r = ( d.getHours() >= 8 && d.getHours() <= 21 );
break;
default:
r = true;
}
return r;
}
//
// Updates the alerts table
//
function updateAlertsTable(alert_type, group_by) {
//
// Do nothing if there is a checked box.
//
if ( $('input.alert:checked').length ) {
return false;
}
$.ajax( {
url: '/ajax/alerts_table/'+alert_type+'/'+group_by,
timeout: 5000,
success: function( data ) {
if ( "" == data || null == data ) {
showError("No data returned by web server when updating alerts table.", "updateAlertsTable");
} else {
$('#alerts_table').replaceWith(data);
clearError("updateAlertsTable");
updateAlertCounts();
}
},
error: function( a,b,c ) {
if ( "timeout" == b ) {
showError("Web server timed out when updating alerts table.", "updateAlertsTable");
} else {
showError("Got "+a.status+" "+a.statusText+" when updating alerts table.", "updateAlertsTable");
}
},
});
return false;
}
//
// Updates the alerts title tag
//
function updateAlertCounts() {
$.ajax( {
url: '/ajax/alert_counts',
timeout: 5000,
success: function(counts) {
if ( "" == counts || null == counts) {
showError("No data returned by web server when updating alert counts.", "updateAlertCounts");
} else {
$('#count_raised').html(counts[0]+counts[1]+counts[2]+"");
$('#count_ackd').html(counts[3]+"");
$('#count_cleared').html(counts[4]+"");
$('title').html("Mauve: [ "+counts[0]+" / "+counts[1]+" / "+counts[2]+" ] Alerts");
clearError("updateAlertCounts");
}
},
error: function( a,b,c ) {
if ( "timeout" == b ) {
showError("Web server timed out when updating alert counts.", "updateAlertCounts");
} else {
showError("Got "+a.status+" "+a.statusText+" when updating alert counts.", "updateAlertCounts");
}
},
});
return false;
}
//
//
//
function showError(text, func) {
if ( null == text || "" == text ) return false;
// We need to add the p element.
if ( 0 == $('div.flash.error p#'+func).length ) {
// ugh.. standard DOM stuff.
var p = document.createElement('p');
p.setAttribute("id",func);
$('div.flash.error').append(p);
}
$('p#'+func).html(text);
// Show the error box
$('div.flash.error').fadeIn(2000);
return false;
}
function clearError(func) {
//
// Remove the element if it exists.
//
if ( $('div.flash.error p#'+func).length ) {
$('div.flash.error p#'+func).remove();
}
if ( $('div.flash.error').contents().length == 0 ) {
$('div.flash.error').fadeOut(2000);
}
return false;
}
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