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/****************************************************************************
jquery-time-slider, A extension to jquery-base-slider with selection of time and date
(c) 2015, Niels Holt
https://github.com/fcoo/jquery-time-slider
https://github.com/fcoo
USING
fcoo/jquery-base-slider - https://github.com/fcoo/jquery-base-slider
options:
** SAME AS IN JQUERY-BASE-SLIDER PLUS **
display:
value:
tzElement, utcElement, relativeElement //jQuery-object or String (=search)
from:
tzElement, utcElement, relativeElement //jQuery-object or String (=search)
to:
tzElement, utcElement, relativeElement //jQuery-object or String (=search)
format:
showRelative: boolean; If true the grid etc show the relative time ('Now + 2h') Default = false
showUTC : boolean; When true a scale for utc is also shown. Default = false. Only if showRelative == false
NB: Using moment-simple-format to set and get text and format for date and time
****************************************************************************/
(function ($, window, document, undefined) {
"use strict";
//roundMoment( m )
function roundMoment( m ){ return m.startOf('hour');}
//valueToMoment
function valueToMoment ( value ){
var result = roundMoment(moment());
result.add( value, 'hours' );
return result;
}
//setValueAndMoment( value, moment )
function setValueAndMoment( value, m ){
var nowMoment = roundMoment(moment());
if (value === undefined){
roundMoment( m );
value = m.diff(nowMoment, 'hours');
}
else {
m = nowMoment;
m.add(value, 'hours');
}
return { m: m, value: value };
}
var pluginCount = 1000,
defaultOptions = {
grid : true,
gridDistances : [1, 2, 3, 6, 12, 24, 48],
step : 1, // 1 hour
keyboardShiftStepFactor: 6, //Step 6 hour with shift or ctrl
keyboardPageStepFactor : 24, //Step 24 h with PgUp og PgDn
stepOffsetMoment: null,
format: {
showRelative: false,
showUTC : false
}
};
window.TimeSlider = function (input, options, pluginCount) {
var _this = this;
this.VERSION = "{VERSION}";
//Setting default options
this.options = $.extend( true, {}, defaultOptions, options );
this._updateOptionsFormat();
this.options.display = this.options.display || {};
//Convert options.display.[value | from | to] from selector-string to $-elements (if needed)
$.each( ['value', 'from', 'to'], function( index, id ){
_this.options.display[id] = _this.options.display[id] || {};
$.each( ['tzElement', 'utcElement', 'relativeElement'], function( index, attrId ){
var selector = _this.options.display[id][attrId];
if ($.type(selector) == 'string')
_this.options.display[id][attrId] = $(selector);
});
});
//Set min/minMoment, max/maxMoment, from/fromMoment, to/toMoment, and value/valueMoment
var valMom = setValueAndMoment( this.options.min, this.options.minMoment );
this.options.min = valMom.value; this.options.minMoment = valMom.m;
valMom = setValueAndMoment( this.options.max, this.options.maxMoment );
this.options.max = valMom.value; this.options.maxMoment = valMom.m;
valMom = setValueAndMoment( this.options.from, this.options.fromMoment || this.options.minMoment );
this.options.from = valMom.value; this.options.fromMoment = valMom.m;
valMom = setValueAndMoment( this.options.to, this.options.toMoment || this.options.maxMoment );
this.options.to = valMom.value; this.options.toMoment = valMom.m;
valMom = setValueAndMoment( this.options.value, this.options.valueMoment || this.options.fromMoment);
this.options.value = valMom.value; this.options.valueMoment = valMom.m;
if ((this.options.step > 1) && this.options.stepOffsetMoment){
//Use options.stepOffsetMoment to calculate stepOffset
var value = setValueAndMoment( undefined, moment( this.options.stepOffsetMoment ) ).value;
this.options.stepOffset = (value - this.options.min) % this.options.step;
}
//Update display-element onChanging if
if (!this.options.onChangeOnDragging)
this.preOnChanging = $.proxy( this.updateDisplay, this );
//Create BaseSlider - dont create grid here
var optionsGrid = this.options.grid;
this.options.grid = false;
window.BaseSlider.call(this, input, this.options, pluginCount );
if (this.options.isSingle)
this.setValue( setValueAndMoment( this.options.value, this.options.valueMoment ).value );
else {
//Set from/fromMoment and to/toMoment
this.setFromValue( setValueAndMoment( this.options.from, this.options.fromMoment ).value );
this.setToValue ( setValueAndMoment( this.options.to, this.options.toMoment ).value );
}
//Sets the format and create the grids
this.options.grid = optionsGrid;
this.setFormat();
};
//timeSlider as jQuery prototype
$.fn.timeSlider = function (options) {
return this.each(function() {
if (!$.data(this, "timeSlider")) {
$.data(this, "timeSlider", new window.TimeSlider(this, options, pluginCount++));
}
});
};
//Extend the prototype
window.TimeSlider.prototype = {
/**************************************************************
valueToTzMoment
***************************************************************/
_valueToTzMoment: function( value, timezone ){
return valueToMoment(value).tzMoment( timezone );
},
/**************************************************************
_valueToFormat
converts value to a moment.format-string or a relative text. If no timezome is given => return relative format
***************************************************************/
_valueToFormat: function( value, timezone ){
if (timezone)
return this._valueToTzMoment( value, timezone ).format( this.options.format.dateHourFormat );
else
return this.options.format.text.nowUC + (value >= 0 ? ' + ' : ' - ') + Math.abs(value) + this.options.format.text.hourAbbr;
},
_prettifyRelative : function( value ){ return this._valueToFormat( value ); },
_prettifyLabelRelative: function( value ){ return value; },
_prettifyAbsolute: function( value ){ return this._valueToFormat( value, this.options.format.timezone ); },
_prettifyLabelAbsolute: function( value ){
return this._valueToTzMoment( value, this.options.format.timezone ).hourFormat();
},
_prettifyLabelAbsoluteDate: function( value ){
return this._valueToTzMoment( value, this.options.format.timezone ).format( this.options.format.dateFormat );
},
/**************************************************************
adjustResult
***************************************************************/
adjustResult: function(){
this.result.minMoment = valueToMoment ( this.result.min );
this.result.maxMoment = valueToMoment ( this.result.max );
this.result.fromMoment = valueToMoment ( this.result.from );
this.result.toMoment = valueToMoment ( this.result.to );
this.result.valueMoment = valueToMoment ( this.result.value );
},
/**************************************************************
appendDateGrid
***************************************************************/
appendDateGrid: function( textOptions, tickOptions ){
var o = this.options,
value,
valueP = 0,
valueRem = o.stepRem/o.step,
midnights = 0,
isFirstMidnight = true,
firstMidnightValue = 0,
lastMidnightValue = 0,
dayRem,
values = [],
dateFormats,
dateFormatOk,
textWidth;
this.preAppendGrid();
this.$currentGridContainer.addClass("label-between-ticks");
this._prettifyLabel = this._prettifyLabelAbsoluteDate;
//Setting tick at midnight
value = o.min;
while (value <= o.max){
//Old version: Force midnights tag to be on minor-tick => error on shift to/from DST (Daylight Saving Time)
//if ( ((value - this.options.majorTicksOffset) % o.tickDistanceNum === 0) && (this._valueToTzMoment( value, this.options.format.timezone ).hour() === 0) ){
//New version: Allow midnights tags on every hour regardless if there are a tag
if (this._valueToTzMoment( value, this.options.format.timezone ).hour() === 0){
midnights++;
this.appendTick( valueP, tickOptions );
if (isFirstMidnight){
isFirstMidnight = false;
firstMidnightValue = value;
}
lastMidnightValue = value;
}
value += 1;
valueP += o.percentProValue;
}
//Find the max width (in rem) of a date-label = dayRem
dayRem = valueRem * (
midnights === 0 ? o.range :
midnights == 1 ? Math.max( firstMidnightValue - o.min, o.max - firstMidnightValue ) :
20 //Setting a full day to 20 hours to allow date-string on days up to 20 hours at the ends
) - this.options.minDistanceRem; // = margin
if (!o.format.dateFormat){
//Find the format for the date, where all dates is smaller than dayRem
dateFormats = moment.sfDateFormatList( function( code ){
//Include all formats except full weekday or full month
return (code.charAt(0) != 'F') && (code.charAt(1) != 'F');
});
//Create temp list of all values needed
value = o.min;
while (value <= o.max){
values.push( value );
value += 24;
}
//Checking if all dates displayed in dayFormat are samller than the max width for a day = dayRem. Setting this._prettifyLabel will force getTextWidth to use the text directly
for (var i=0; i<dateFormats.length; i++ ){
o.format.dateFormat = dateFormats[i];
dateFormatOk = (this.getTextWidth( values, textOptions ) <= dayRem);
if (dateFormatOk)
break;
}
if (!dateFormatOk)
o.format.dateFormat = '';
}
if (o.format.dateFormat){
//No text-colors or click on day-text
var textColorRec = o.textColorRec,
labelClickable = o.labelClickable,
labelColorRec = o.labelColorRec;
o.textColorRec = {};
o.labelClickable = false;
o.labelColorRec = {};
//Append the label/text
if (midnights === 0){
//Special case: No midnights => the date are placed centered
this.appendLabel( o.percentProValue * o.range / 2 , o.min, textOptions );
}
else {
//first day - check if there are space to put a date-label
textWidth = this.getTextWidth( o.min, textOptions );
if ( valueRem*(firstMidnightValue - o.min) >= textWidth ){
//Try to place the date-text under 12 o'clock (noon) but always keep inside the left edge
var minTextValue = o.min + textWidth/2/valueRem;
this.appendLabel( o.percentProValue * ( Math.max( minTextValue, firstMidnightValue-12 ) - o.min ), o.min, textOptions );
}
//last day - check if there are space to put a date-label
textWidth = this.getTextWidth( o.max, textOptions );
if ( valueRem*(o.max - lastMidnightValue) >= textWidth ){
//Try to place the date-text under 12 o'clock (noon) but always keep inside the right edge
var maxTextValue = o.max - textWidth/2/valueRem;
this.appendLabel( o.percentProValue * ( Math.min( maxTextValue, lastMidnightValue+12 ) - o.min ), o.max, textOptions );
}
//Days between first and last day
if (midnights > 1){
value = firstMidnightValue + 12;
while (value <= lastMidnightValue){
this.appendLabel( o.percentProValue*(value-o.min) , value, textOptions );
value += 24;
}
}
}
o.textColorRec = textColorRec;
o.labelClickable = labelClickable;
o.labelColorRec = labelColorRec;
}
this.postAppendGrid();
},
/**************************************************************
appendStandardGrid
***************************************************************/
appendStandardGrid: function(){
//First remove all grid-container except the first one
this.cache.$grid = this.cache.$container.find(".grid").first();
this.cache.$grid.siblings('.grid').remove();
this.cache.$grid.empty();
this.$currentGridContainer = null;
//Create all grid
if (this.options.format.showRelative){
//Relative time: Set the prettify-functions and create the grid needed
this._prettify = this._prettifyRelative;
this._prettifyLabel = this._prettifyLabelRelative;
this.options.majorTicksOffset = 0;
this._appendStandardGrid();
}
else {
//Absolute time: Set the prettify-functions
var now = moment();
//Create the hour-grid and the date-grid for selected timezone
this._prettify = this._prettifyAbsolute;
this._prettifyLabel = this._prettifyLabelAbsolute;
this.options.majorTicksOffset = -1*now.tzMoment( this.options.format.timezone ).hours();
this._appendStandardGrid();
this.appendDateGrid();
if ((this.options.format.timezone != 'utc') && this.options.format.showUTC){
//Create the hour-grid and the date-grid for utc
this.options.majorTicksOffset = -1*now.tzMoment( 'utc' ).hours();
var saveTimezone = this.options.format.timezone;
this.options.format.timezone = 'utc';
var textOptions = {italic:true, minor:true},
tickOptions = {color:'#555555'};
this._prettify = this._prettifyAbsolute;
this._prettifyLabel = this._prettifyLabelAbsolute;
this._appendStandardGrid( textOptions, tickOptions );
this.appendDateGrid( textOptions, tickOptions );
this.options.format.timezone = saveTimezone;
}
}
},
/**************************************************************
_updateOptionsFormat
***************************************************************/
_updateOptionsFormat: function( format ){
$.extend( true, this.options.format, format || {} );
//Merge current moment.simpleFormat.options into this.options.format
$.extend( true, this.options.format, moment.sfGetOptions() );
//Create the format for the label over the 'dragger'
this.options.format.dateHourFormat =
(this.options.format.date == 'DMY' ? 'DD-MMM' : 'MMM-DD') + //Dec-24 / 24-Dec
' ' + moment.sfGetTimeFormat();
//Set dateformat = '' to make appendDateGrid find new format
this.options.format.dateFormat = '';
//Set special versions of moment.simpleFormat.text
var now = this.options.format.text.now;
this.options.format.text.nowUC = now.charAt(0).toUpperCase() + now.slice(1);
//Set jquery-base-slider options valuesSeparator to use moment.simpleFormat.text.to
this.options.valuesSeparator = ' ' + this.options.format.text.to + ' ';
},
/**************************************************************
setFormat
***************************************************************/
setFormat: function( format ){
//Reset label-width in case time-format is changed (12h <-> 24h)
this.options.maxLabelWidthRem = 0;
this._updateOptionsFormat( format );
this.update();
this.updateDisplay();
},
/**************************************************************
updateDisplay
Updates the elements with text versions of from-value and to-value as timezone-date, utc-date and relative time
***************************************************************/
updateDisplay: function(){
var _this = this;
$.each( ['value', 'from', 'to'], function(index, id){
var value = _this.result[id],
valueList = [
_this._valueToFormat( value, _this.options.format.timezone ),
_this._valueToFormat( value, 'utc' ),
_this._valueToFormat( value )
];
$.each( ['tzElement', 'utcElement', 'relativeElement'], function( index, attrId ){
var $elem = _this.options.display[id][attrId],
text = valueList[index];
if ($elem)
$elem.each( function(){ $(this).text( text ); } );
});
});
},
preOnChange: function(){ this.updateDisplay(); }
};
window.TimeSlider.prototype = $.extend( {}, window.BaseSlider.prototype, window.TimeSlider.prototype );
}(jQuery, this, document));
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