forked from kbwood/datetimeentry
/
jquery.datetimeentry.js
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jquery.datetimeentry.js
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/* http://keith-wood.name/datetimeEntry.html
Date and time entry for jQuery v1.1.1.
Written by Keith Wood (kbwood{at}iinet.com.au) September 2010.
Licensed under the MIT (https://github.com/jquery/jquery/blob/master/MIT-LICENSE.txt) license.
Please attribute the author if you use it. */
/* Turn an input field into an entry point for a date and/or time value.
The date/time can be entered via directly typing the value,
via the arrow keys, or via spinner buttons.
It is configurable to reorder the fields, to enforce a minimum
and/or maximum date/time, and to change the spinner image.
Attach it with $('input selector').datetimeEntry(); for default settings,
or configure it with options like:
$('input selector').datetimeEntry(
{spinnerImage: 'spinnerSquare.png', spinnerSize: [20, 20, 0]}); */
(function($) { // Hide scope, no $ conflict
/* DatetimeEntry manager.
Use the singleton instance of this class, $.datetimeEntry, to interact with the date
entry functionality. Settings for fields are maintained in an instance object,
allowing multiple different settings on the same page. */
function DatetimeEntry() {
this._disabledInputs = []; // List of datetime inputs that have been disabled
this.regional = []; // Available regional settings, indexed by language code
this.regional[''] = { // Default regional settings
datetimeFormat: 'O/D/Y H:Ma', // The format of the date text:
// 'y' for short year, 'Y' for full year, 'o' for month, 'O' for two-digit month,
// 'n' for abbreviated month name, 'N' for full month name,
// 'd' for day, 'D' for two-digit day, 'w' for abbreviated day name and number,
// 'W' for full day name and number), 'h' for hour, 'H' for two-digit hour,
// 'm' for minute, 'M' for two-digit minutes, 's' for seconds,
// 'S' for two-digit seconds, 'a' for AM/PM indicator (omit for 24-hour)
datetimeSeparators: '.', // Additional separators between datetime portions
monthNames: ['January', 'February', 'March', 'April', 'May', 'June',
'July', 'August', 'September', 'October', 'November', 'December'], // Names of the months
monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'], // Abbreviated names of the months
// Names of the days
dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // Abbreviated names of the days
ampmNames: ['AM', 'PM'], // Names of morning/evening markers
// The popup texts for the spinner image areas
spinnerTexts: ['Today', 'Previous field', 'Next field', 'Increment', 'Decrement'],
isRTL: false // Does this language run right-to-left?
};
this._defaults = {
appendText: '', // Display text following the input box, e.g. showing the format
initialField: 0, // The field to highlight initially, 0 = hours, 1 = minutes, ...
useMouseWheel: true, // True to use mouse wheel for increment/decrement if possible,
// false to never use it
shortYearCutoff: '+10', // The century cutoff for two-digit years,
// absolute (numeric) or relative (string)
defaultDatetime: null, // The date to use if none has been set, leave at null for now
minDatetime: null, // The earliest selectable datetime, or null for no limit
maxDatetime: null, // The latest selectable datetime, or null for no limit
minTime: null, // The earliest selectable time regardless of date, or null for no limit
maxTime: null, // The latest selectable time regardless of date, or null for no limit
timeSteps: [1, 1, 1], // Steps for each of hours/minutes/seconds when incrementing/decrementing
spinnerImage: 'spinnerDefault.png', // The URL of the images to use for the date spinner
// Seven images packed horizontally for normal, each button pressed, and disabled
spinnerSize: [20, 20, 8], // The width and height of the spinner image,
// and size of centre button for current date
spinnerBigImage: '', // The URL of the images to use for the expanded date spinner
// Seven images packed horizontally for normal, each button pressed, and disabled
spinnerBigSize: [40, 40, 16], // The width and height of the expanded spinner image,
// and size of centre button for current date
spinnerIncDecOnly: false, // True for increment/decrement buttons only, false for all
spinnerRepeat: [500, 250], // Initial and subsequent waits in milliseconds
// for repeats on the spinner buttons
beforeShow: null, // Function that takes an input field and
// returns a set of custom settings for the date entry
altField: null, // Selector, element or jQuery object for an alternate field to keep synchronised
altFormat: null // A separate format for the alternate field
};
$.extend(this._defaults, this.regional['']);
}
$.extend(DatetimeEntry.prototype, {
/* Class name added to elements to indicate already configured with datetime entry. */
markerClassName: 'hasDatetimeEntry',
/* Name of the data property for instance settings. */
propertyName: 'datetimeEntry',
/* Class name for the appended content. */
_appendClass: 'datetimeEntry_append',
/* Class name for the date/time entry control. */
_controlClass: 'datetimeEntry_control',
/* Class name for the expanded spinner. */
_expandClass: 'datetimeEntry_expand',
/* Override the default settings for all instances of the datetime entry.
@param options (object) the new settings to use as defaults (anonymous object)
@return (DatetimeEntry) this object */
setDefaults: function(options) {
$.extend(this._defaults, options || {});
return this;
},
/* Attach the datetime entry handler to an input field.
@param target (element) the field to attach to
@param options (object) custom settings for this instance */
_attachPlugin: function(target, options) {
var input = $(target);
if (input.hasClass(this.markerClassName)) {
return;
}
var inst = {options: $.extend({}, this._defaults, options), input: input,
_field: 0, _selectedYear: 0, _selectedMonth: 0, _selectedDay: 0,
_selectedHour: 0, _selectedMinute: 0, _selectedSecond: 0};
this._decodeDatetimeFormat(inst);
input.data(this.propertyName, inst).addClass(this.markerClassName).
bind('focus.' + this.propertyName, this._doFocus).
bind('blur.' + this.propertyName, this._doBlur).
bind('click.' + this.propertyName, this._doClick).
bind('keydown.' + this.propertyName, this._doKeyDown).
bind('keypress.' + this.propertyName, this._doKeyPress).
bind('paste.' + this.propertyName, function(event) { // Check pastes
setTimeout(function() { plugin._extractDatetime(inst); }, 1);
});
this._optionPlugin(target, options);
},
/* Retrieve or reconfigure the settings for a datetime entry control.
@param target (element) the control to affect
@param options (object) the new options for this instance or
(string) an individual property name
@param value (any) the individual property value (omit if options
is an object or to retrieve the value of a setting)
@return (any) if retrieving a value */
_optionPlugin: function(target, options, value) {
target = $(target);
var inst = target.data(this.propertyName);
if (!options || (typeof options == 'string' && value == null)) { // Get option
var name = options;
options = (inst || {}).options;
return (options && name ? options[name] : options);
}
if (!target.hasClass(this.markerClassName)) {
return;
}
options = options || {};
if (typeof options == 'string') {
var name = options;
options = {};
options[name] = value;
}
var currentDate = this._parseDatetime(inst, target.val());
$.extend(inst.options, options);
inst._field = 0;
this._decodeDatetimeFormat(inst);
if (currentDate) {
this._setDatetime(inst, currentDate);
}
// Remove stuff dependent on old settings
target.next('span.' + this._appendClass).remove();
target.parent().find('span.' + this._controlClass).remove();
if ($.fn.mousewheel) {
target.unmousewheel();
}
// And re-add if requested
var spinner = (!inst.options.spinnerImage ? null :
$('<span class="' + this._controlClass + '" style="display: inline-block; ' +
'background: url(\'' + inst.options.spinnerImage + '\') 0 0 no-repeat; width: ' +
inst.options.spinnerSize[0] + 'px; height: ' + inst.options.spinnerSize[1] + 'px;"></span>'));
target.after(inst.options.appendText ? '<span class="' + this._appendClass + '">' +
inst.options.appendText + '</span>' : '').after(spinner || '');
// Allow mouse wheel usage
if (inst.options.useMouseWheel && $.fn.mousewheel) {
target.mousewheel(this._doMouseWheel);
}
if (spinner) {
spinner.mousedown(this._handleSpinner).mouseup(this._endSpinner).
mouseover(this._expandSpinner).mouseout(this._endSpinner).
mousemove(this._describeSpinner);
}
},
/* Enable a datetime entry input and any associated spinner.
@param target (element) single input field */
_enablePlugin: function(target) {
this._enableDisable(target, false);
},
/* Disable a datetime entry input and any associated spinner.
@param target (element) single input field */
_disablePlugin: function(target) {
this._enableDisable(target, true);
},
/* Enable or disable a datetime entry input and any associated spinner.
@param target (element) single input field
@param disable (boolean) true to disable, false to enable */
_enableDisable: function(target, disable) {
var inst = $.data(target, this.propertyName);
if (!inst) {
return;
}
target.disabled = disable;
if (target.nextSibling && target.nextSibling.nodeName.toLowerCase() == 'span') {
plugin._changeSpinner(inst, target.nextSibling, (disable ? 5 : -1));
}
plugin._disabledInputs = $.map(plugin._disabledInputs,
function(value) { return (value == target ? null : value); }); // Delete entry
if (disable) {
plugin._disabledInputs.push(target);
}
},
/* Check whether an input field has been disabled.
@param target (element) input field to check
@return (boolean) true if this field has been disabled, false if it is enabled */
_isDisabledPlugin: function(target) {
return $.inArray(target, this._disabledInputs) > -1;
},
/* Locate fields within the datetime format.
@param inst (object) the instance settings */
_decodeDatetimeFormat: function(inst) {
inst._fields = [];
inst._ampmField = -1;
for (var i = 0; i < inst.options.datetimeFormat.length; i++) {
if (inst.options.datetimeFormat.charAt(i).match(/[yYoOnNdDwWhHmMsSa]/)) {
inst._fields.push(i);
}
if (inst.options.datetimeFormat.charAt(i) == 'a') {
inst._ampmField = inst._fields.length - 1;
}
}
},
/* Remove the datetime entry functionality from an input.
@param target (element) input field to affect */
_destroyPlugin: function(target) {
target = $(target);
if (!target.hasClass(this.markerClassName)) {
return;
}
target.removeClass(this.markerClassName).removeData(this.propertyName).
unbind('.' + this.propertyName);
if ($.fn.mousewheel) {
target.unmousewheel();
}
this._disabledInputs = $.map(this._disabledInputs,
function(value) { return (value == target[0] ? null : value); }); // Delete entry
target.siblings('.' + this._appendClass + ',.' + this._controlClass).remove();
},
/* Initialise the current datetime for a datetime entry input field.
@param target (element) input field to update
@param datetime (Date) the new datetime or null for now */
_setDatetimePlugin: function(target, datetime) {
var inst = $.data(target, this.propertyName);
if (inst) {
if (datetime === null || datetime === '') {
inst.input.val('');
}
else {
this._setDatetime(inst, datetime ? (typeof datetime == 'object' ?
new Date(datetime.getTime()) : datetime) : null);
}
}
},
/* Retrieve the current datetime for a datetime entry input field.
@param target (element) input field to update
@return (Date) current datetime or null if none */
_getDatetimePlugin: function(target) {
var inst = $.data(target, this.propertyName);
return (inst ? this._parseDatetime(inst, inst.input.val()) : null);
},
/* Retrieve the millisecond offset for the current time.
@param target (element) input field to examine
@return (number) the time as milliseconds offset or zero if none */
_getOffsetPlugin: function(target) {
var inst = $.data(target, this.propertyName);
var time = (inst ? plugin._parseDatetime(inst, inst.input.val()) : null);
return (!time ? 0 :
(time.getHours() * 3600 + time.getMinutes() * 60 + time.getSeconds()) * 1000);
},
/* Initialise datetime entry.
@param target (element) the input field or
(event) the focus event */
_doFocus: function(target) {
var input = (target.nodeName && target.nodeName.toLowerCase() == 'input' ? target : this);
if (plugin._lastInput == input || plugin._isDisabledPlugin(input)) {
plugin._focussed = false;
return;
}
var inst = $.data(input, plugin.propertyName);
plugin._focussed = true;
plugin._lastInput = input;
plugin._blurredInput = null;
$.extend(inst.options, ($.isFunction(inst.options.beforeShow) ?
inst.options.beforeShow.apply(input, [input]) : {}));
plugin._extractDatetime(inst);
setTimeout(function() { plugin._showField(inst); }, 10);
},
/* Note that the field has been exited.
@param event (event) the blur event */
_doBlur: function(event) {
plugin._blurredInput = plugin._lastInput;
plugin._lastInput = null;
},
/* Select appropriate field portion on click, if already in the field.
@param event (event) the click event */
_doClick: function(event) {
var input = event.target;
var inst = $.data(input, plugin.propertyName);
if (!plugin._focussed) {
var datetimeFormat = inst.options.datetimeFormat;
inst._field = 0;
if (input.selectionStart != null) { // Use input select range
var end = 0;
for (var field = 0; field < datetimeFormat.length; field++) {
end += plugin._fieldLength(inst, datetimeFormat.charAt(field));
if (input.selectionStart < end) {
break;
}
inst._field += (datetimeFormat.charAt(field).match(/[yondwhmsa]/i) ? 1 : 0);
}
}
else if (input.createTextRange) { // Check against bounding boxes
var src = $(event.srcElement);
var range = input.createTextRange();
var convert = function(value) {
return {thin: 2, medium: 4, thick: 6}[value] || value;
};
var offsetX = event.clientX + document.documentElement.scrollLeft -
(src.offset().left + parseInt(convert(src.css('border-left-width')), 10)) -
range.offsetLeft; // Position - left edge - alignment
var end = 0;
for (var field = 0; field < datetimeFormat.length; field++) {
end += plugin._fieldLength(inst, datetimeFormat.charAt(field));
range.collapse();
range.moveEnd('character', end);
if (offsetX < range.boundingWidth) { // And compare
break;
}
inst._field += (datetimeFormat.charAt(field).match(/[yondwhmsa]/i) ? 1 : 0);
}
}
}
plugin._showField(inst);
plugin._focussed = false;
},
/* Handle keystrokes in the field.
@param event (event) the keydown event
@return (boolean) true to continue, false to stop processing */
_doKeyDown: function(event) {
if (event.keyCode >= 48) { // >= '0'
return true;
}
var inst = $.data(event.target, plugin.propertyName);
switch (event.keyCode) {
case 9: return (event.shiftKey ?
// Move to previous datetime field, or out if at the beginning
plugin._changeField(inst, -1, true) :
// Move to next datetime field, or out if at the end
plugin._changeField(inst, +1, true));
case 35: if (event.ctrlKey) { // Clear datetime on ctrl+end
plugin._setValue(inst, '');
}
else { // Last field on end
inst._field = inst._fields.length - 1;
plugin._adjustField(inst, 0);
}
break;
case 36: if (event.ctrlKey) { // Current datetime on ctrl+home
plugin._setDatetime(inst);
}
else { // First field on home
inst._field = 0;
plugin._adjustField(inst, 0);
}
break;
case 37: plugin._changeField(inst, -1, false); break; // Previous field on left
case 38: plugin._adjustField(inst, +1); break; // Increment date field on up
case 39: plugin._changeField(inst, +1, false); break; // Next field on right
case 40: plugin._adjustField(inst, -1); break; // Decrement datetime field on down
case 46: plugin._setValue(inst, ''); break; // Clear datetime on delete
default: return true;
}
return false;
},
/* Disallow unwanted characters.
@param event (event) the keypress event
@return (boolean) true to continue, false to stop processing */
_doKeyPress: function(event) {
var chr = String.fromCharCode(event.charCode == undefined ? event.keyCode : event.charCode);
if (chr < ' ') {
return true;
}
var inst = $.data(event.target, plugin.propertyName);
plugin._handleKeyPress(inst, chr);
return false;
},
/* Increment/decrement on mouse wheel activity.
@param event (event) the mouse wheel event
@param delta (number) the amount of change */
_doMouseWheel: function(event, delta) {
if (plugin._isDisabledPlugin(event.target)) {
return;
}
var inst = $.data(event.target, plugin.propertyName);
inst.input.focus();
if (!inst.input.val()) {
plugin._extractDatetime(inst);
}
plugin._adjustField(inst, delta);
event.preventDefault();
},
/* Expand the spinner, if possible, to make it easier to use.
@param event (event) the mouse over event */
_expandSpinner: function(event) {
var spinner = plugin._getSpinnerTarget(event);
var inst = $.data(plugin._getInput(spinner), plugin.propertyName);
if (plugin._isDisabledPlugin(inst.input[0])) {
return;
}
if (inst.options.spinnerBigImage) {
inst._expanded = true;
var offset = $(spinner).offset();
var relative = null;
$(spinner).parents().each(function() {
var parent = $(this);
if (parent.css('position') == 'relative' ||
parent.css('position') == 'absolute') {
relative = parent.offset();
}
return !relative;
});
$('<div class="' + plugin._expandClass + '" style="position: absolute; left: ' +
(offset.left - (inst.options.spinnerBigSize[0] - inst.options.spinnerSize[0]) / 2 -
(relative ? relative.left : 0)) + 'px; top: ' +
(offset.top - (inst.options.spinnerBigSize[1] - inst.options.spinnerSize[1]) / 2 -
(relative ? relative.top : 0)) + 'px; width: ' +
inst.options.spinnerBigSize[0] + 'px; height: ' +
inst.options.spinnerBigSize[1] + 'px; background: transparent url(' +
inst.options.spinnerBigImage + ') no-repeat 0px 0px; z-index: 10;"></div>').
mousedown(plugin._handleSpinner).mouseup(plugin._endSpinner).
mouseout(plugin._endExpand).mousemove(plugin._describeSpinner).
insertAfter(spinner);
}
},
/* Locate the actual input field from the spinner.
@param spinner (element) the current spinner
@return (element) the corresponding input */
_getInput: function(spinner) {
return $(spinner).siblings('.' + plugin.markerClassName)[0];
},
/* Change the title based on position within the spinner.
@param event (event) the mouse move event */
_describeSpinner: function(event) {
var spinner = plugin._getSpinnerTarget(event);
var inst = $.data(plugin._getInput(spinner), plugin.propertyName);
spinner.title = inst.options.spinnerTexts[plugin._getSpinnerRegion(inst, event)];
},
/* Handle a click on the spinner.
@param event (event) the mouse click event */
_handleSpinner: function(event) {
var spinner = plugin._getSpinnerTarget(event);
var input = plugin._getInput(spinner);
if (plugin._isDisabledPlugin(input)) {
return;
}
if (input == plugin._blurredInput) {
plugin._lastInput = input;
plugin._blurredInput = null;
}
var inst = $.data(input, plugin.propertyName);
plugin._doFocus(input);
var region = plugin._getSpinnerRegion(inst, event);
plugin._changeSpinner(inst, spinner, region);
plugin._actionSpinner(inst, region);
plugin._timer = null;
plugin._handlingSpinner = true;
if (region >= 3 && inst.options.spinnerRepeat[0]) { // Repeat increment/decrement
plugin._timer = setTimeout(
function() { plugin._repeatSpinner(inst, region); },
inst.options.spinnerRepeat[0]);
$(spinner).one('mouseout', plugin._releaseSpinner).
one('mouseup', plugin._releaseSpinner);
}
},
/* Action a click on the spinner.
@param inst (object) the instance settings
@param region (number) the spinner "button" */
_actionSpinner: function(inst, region) {
if (!inst.input.val()) {
plugin._extractDatetime(inst);
}
switch (region) {
case 0: this._setDatetime(inst); break;
case 1: this._changeField(inst, -1, false); break;
case 2: this._changeField(inst, +1, false); break;
case 3: this._adjustField(inst, +1); break;
case 4: this._adjustField(inst, -1); break;
}
},
/* Repeat a click on the spinner.
@param inst (object) the instance settings
@param region (number) the spinner "button" */
_repeatSpinner: function(inst, region) {
if (!plugin._timer) {
return;
}
plugin._lastInput = plugin._blurredInput;
this._actionSpinner(inst, region);
this._timer = setTimeout(
function() { plugin._repeatSpinner(inst, region); },
inst.options.spinnerRepeat[1]);
},
/* Stop a spinner repeat.
@param event (event) the mouse event */
_releaseSpinner: function(event) {
clearTimeout(plugin._timer);
plugin._timer = null;
},
/* Tidy up after an expanded spinner.
@param event (event) the mouse event */
_endExpand: function(event) {
plugin._timer = null;
var spinner = plugin._getSpinnerTarget(event);
var input = plugin._getInput(spinner);
var inst = $.data(input, plugin.propertyName);
$(spinner).remove();
inst._expanded = false;
},
/* Tidy up after a spinner click.
@param event (event) the mouse event */
_endSpinner: function(event) {
plugin._timer = null;
var spinner = plugin._getSpinnerTarget(event);
var input = plugin._getInput(spinner);
var inst = $.data(input, plugin.propertyName);
if (!plugin._isDisabledPlugin(input)) {
plugin._changeSpinner(inst, spinner, -1);
}
if (plugin._handlingSpinner) {
plugin._lastInput = plugin._blurredInput;
}
if (plugin._lastInput && plugin._handlingSpinner) {
plugin._showField(inst);
}
plugin._handlingSpinner = false;
},
/* Retrieve the spinner from the event.
@param event (event) the mouse click event
@return (element) the target field */
_getSpinnerTarget: function(event) {
return event.target || event.srcElement;
},
/* Determine which "button" within the spinner was clicked.
@param inst (object) the instance settings
@param event (event) the mouse event
@return (number) the spinner "button" number */
_getSpinnerRegion: function(inst, event) {
var spinner = this._getSpinnerTarget(event);
var pos = $(spinner).offset();
var scrolled = [document.documentElement.scrollLeft || document.body.scrollLeft,
document.documentElement.scrollTop || document.body.scrollTop];
var left = (inst.options.spinnerIncDecOnly ? 99 : event.clientX + scrolled[0] - pos.left);
var top = event.clientY + scrolled[1] - pos.top;
var spinnerSize = inst.options[inst._expanded ? 'spinnerBigSize' : 'spinnerSize'];
var right = (inst.options.spinnerIncDecOnly ? 99 : spinnerSize[0] - 1 - left);
var bottom = spinnerSize[1] - 1 - top;
if (spinnerSize[2] > 0 && Math.abs(left - right) <= spinnerSize[2] &&
Math.abs(top - bottom) <= spinnerSize[2]) {
return 0; // Centre button
}
var min = Math.min(left, top, right, bottom);
return (min == left ? 1 : (min == right ? 2 : (min == top ? 3 : 4))); // Nearest edge
},
/* Change the spinner image depending on button clicked.
@param inst (object) the instance settings
@param spinner (element) the spinner control
@param region (number) the spinner "button" */
_changeSpinner: function(inst, spinner, region) {
$(spinner).css('background-position', '-' + ((region + 1) *
inst.options[inst._expanded ? 'spinnerBigSize' : 'spinnerSize'][0]) + 'px 0px');
},
/* Extract the datetime value from the input field, or default to now.
@param inst (object) the instance settings */
_extractDatetime: function(inst) {
var currentDatetime = this._parseDatetime(inst, inst.input.val()) || this._normaliseDatetime(
this._determineDatetime(inst, inst.options.defaultDatetime) || new Date());
var fields = this._constrainTime(inst, [currentDatetime.getHours(),
currentDatetime.getMinutes(), currentDatetime.getSeconds()]);
inst._selectedYear = currentDatetime.getFullYear();
inst._selectedMonth = currentDatetime.getMonth();
inst._selectedDay = currentDatetime.getDate();
inst._selectedHour = fields[0];
inst._selectedMinute = fields[1];
inst._selectedSecond = fields[2];
inst._lastChr = '';
inst._field = Math.max(0, inst.options.initialField);
if (inst.input.val() != '') {
this._showDatetime(inst);
}
},
/* Parse the datetime value from the given text.
@param inst (object) the instance settings
@param value (string) the value to parse
@return (Date) the retrieved datetime or null if no value */
_parseDatetime: function(inst, value) {
if (!value) {
return null;
}
var year = 0;
var month = 0;
var day = 0;
var hour = 0;
var minute = 0;
var second = 0;
var index = 0;
var datetimeFormat = inst.options.datetimeFormat;
var skipNumber = function() {
while (index < value.length && value.charAt(index).match(/^[0-9]/)) {
index++;
}
};
var i;
for (i = 0; i < datetimeFormat.length && index < value.length; i++) {
var field = datetimeFormat.charAt(i);
var num = parseInt(value.substring(index), 10);
if (field.match(/y|o|d|h|m|s/i) && isNaN(num)) {
throw 'Invalid date';
}
num = (isNaN(num) ? 0 : num);
switch (field) {
case 'y': case 'Y':
year = num;
skipNumber();
break;
case 'o': case 'O':
month = num;
skipNumber();
break;
case 'n': case 'N':
var monthNames = inst.options[field == 'N' ? 'monthNames' : 'monthNamesShort'];
for (var j = 0; j < monthNames.length; j++) {
if (value.substring(index).substr(0, monthNames[j].length).toLowerCase() ==
monthNames[j].toLowerCase()) {
month = j + 1;
index += monthNames[j].length;
break;
}
}
break;
case 'w': case 'W':
var dayNames = inst.options[field == 'W' ? 'dayNames' : 'dayNamesShort'];
for (var j = 0; j < dayNames.length; j++) {
if (value.substring(index).substr(0, dayNames[j].length).toLowerCase() ==
dayNames[j].toLowerCase()) {
index += dayNames[j].length + 1;
break;
}
}
num = parseInt(value.substring(index), 10);
num = (isNaN(num) ? 0 : num);
// Fall through
case 'd': case 'D':
day = num;
skipNumber();
break;
case 'h': case 'H':
hour = num;
skipNumber();
break;
case 'm': case 'M':
minute = num;
skipNumber();
break;
case 's': case 'S':
second = num;
skipNumber();
break;
case 'a':
var pm = (value.substr(index, inst.options.ampmNames[1].length).toLowerCase() ==
inst.options.ampmNames[1].toLowerCase());
hour = (hour == 12 ? 0 : hour) + (pm ? 12 : 0);
index += inst.options.ampmNames[0].length;
break;
default:
index++;
}
}
if (i < datetimeFormat.length) {
throw 'Invalid date';
}
year += (year >= 100 || datetimeFormat.indexOf('y') == -1 ? 0 :
(year > this._shortYearCutoff(inst) ? 1900 : 2000));
var fields = this._constrainTime(inst, [hour, minute, second]);
var date = new Date(year, Math.max(0, month - 1), day, fields[0], fields[1], fields[2]);
if (datetimeFormat.match(/y|o|n|d|w/i) && (date.getFullYear() != year ||
date.getMonth() + 1 != month || date.getDate() != day)) {
throw 'Invalid date';
}
return date;
},
/* Set the selected date/time into the input field.
@param inst (object) the instance settings */
_showDatetime: function(inst) {
this._setValue(inst, this._formatDatetime(inst, inst.options.datetimeFormat));
this._showField(inst);
},
/* Format a date/time as requested.
@param inst (object) the instance settings
@param format (string) the date/time format to use
@return (string) the formatted date/time */
_formatDatetime: function(inst, format) {
var currentDatetime = '';
var ampm = format.indexOf('a') > -1;
for (var i = 0; i < format.length; i++) {
var field = format.charAt(i);
switch (field) {
case 'y':
currentDatetime += this._formatNumber(inst._selectedYear % 100);
break;
case 'Y':
currentDatetime += this._formatNumber(inst._selectedYear, 4);
break;
case 'o': case 'O':
currentDatetime += this._formatNumber(inst._selectedMonth + 1, field == 'o' ? 1 : 2);
break;
case 'n': case 'N':
currentDatetime += inst.options[field == 'N' ?
'monthNames' : 'monthNamesShort'][inst._selectedMonth];
break;
case 'd': case 'D':
currentDatetime += this._formatNumber(inst._selectedDay, field == 'd' ? 1 : 2);
break;
case 'w': case 'W':
currentDatetime += inst.options[field == 'W' ? 'dayNames' : 'dayNamesShort']
[new Date(inst._selectedYear, inst._selectedMonth, inst._selectedDay).getDay()] +
' ' + this._formatNumber(inst._selectedDay);
break;
case 'h': case 'H':
currentDatetime += this._formatNumber(!ampm ? inst._selectedHour :
inst._selectedHour % 12 || 12, field == 'h' ? 1 : 2);
break;
case 'm': case 'M':
currentDatetime += this._formatNumber(inst._selectedMinute, field == 'm' ? 1 : 2);
break;
case 's': case 'S':
currentDatetime += this._formatNumber(inst._selectedSecond, field == 's' ? 1 : 2);
break;
case 'a':
currentDatetime += inst.options.ampmNames[inst._selectedHour < 12 ? 0 : 1];
break;
default:
currentDatetime += field;
break;
}
}
return currentDatetime;
},
/* Highlight the current datetime field.
@param inst (object) the instance settings */
_showField: function(inst) {
var input = inst.input[0];
if (inst.input.is(':hidden') || plugin._lastInput != input) {
return;
}
var start = 0;
for (var i = 0; i < inst._fields[inst._field]; i++) {
start += this._fieldLength(inst, inst.options.datetimeFormat.charAt(i));
}
var end = start + this._fieldLength(inst, inst.options.datetimeFormat.charAt(i));
if (input.setSelectionRange) { // Mozilla
input.setSelectionRange(start, end);
}
else if (input.createTextRange) { // IE
var range = input.createTextRange();
range.moveStart('character', start);
range.moveEnd('character', end - inst.input.val().length);
range.select();
}
if (!input.disabled) {
input.focus();
}
},
/* Calculate the field length.
@param inst (object) the instance settings
@param format (char) the format character
@return (number) the length of this subfield */
_fieldLength: function(inst, format) {
switch (format) {
case 'Y':
return 4;
case 'n': case 'N':
return inst.options[format == 'N' ? 'monthNames' : 'monthNamesShort']
[inst._selectedMonth].length;
case 'w': case 'W':
return inst.options[format == 'W' ? 'dayNames' : 'dayNamesShort']
[new Date(inst._selectedYear, inst._selectedMonth, inst._selectedDay).
getDay()].length + 3;
case 'y': case 'O': case 'D': case 'H': case 'M': case 'S':
return 2;
case 'o':
return ('' + (inst._selectedMonth + 1)).length;
case 'd':
return ('' + inst._selectedDay).length;
case 'h':
return ('' + (inst._ampmField == -1 ?
inst._selectedHour : inst._selectedHour % 12 || 12)).length;
case 'm':
return ('' + inst._selectedMinute).length;
case 's':
return ('' + inst._selectedSecond).length;
case 'a':
return inst.options.ampmNames[0].length;
default:
return 1;
}
},
/* Ensure displayed number is a certain length.
@param value (number) current value
@param length (number) the minimum length (optional, default 2)
@return (string) number with at least length digits */
_formatNumber: function(value, length) {
value = '' + value;
length = length || 2;
while (value.length < length) {
value = '0' + value;
}
return value;
},
/* Update the input field and notify listeners.
@param inst (object) the instance settings
@param value (string) the new value */
_setValue: function(inst, value) {
if (value != inst.input.val()) {
if (inst.options.altField) {
$(inst.options.altField).val(!value ? '' : this._formatDatetime(inst,
inst.options.altFormat || inst.options.datetimeFormat));
}
inst.input.val(value).trigger('change');
}
},
/* Move to previous/next field, or out of field altogether if appropriate.
@param inst (object) the instance settings
@param offset (number) the direction of change (-1, +1)
@param moveOut (boolean) true if can move out of the field
@return (boolean) true if exitting the field, false if not */
_changeField: function(inst, offset, moveOut) {
var atFirstLast = (inst.input.val() == '' ||
inst._field == (offset == -1 ? 0 : inst._fields.length - 1));
if (!atFirstLast) {
inst._field += offset;
}
this._showField(inst);
inst._lastChr = '';
return (atFirstLast && moveOut);
},
/* Update the current field in the direction indicated.
@param inst (object) the instance settings
@param offset (number) the amount to change by */
_adjustField: function(inst, offset) {
if (inst.input.val() == '') {
offset = 0;
}
var field = inst.options.datetimeFormat.charAt(inst._fields[inst._field]);
var year = inst._selectedYear + (field.match(/y/i) ? offset : 0);
var month = inst._selectedMonth + (field.match(/o|n/i) ? offset : 0);
var day = (field.match(/d|w/i) ? inst._selectedDay + offset :
Math.min(inst._selectedDay, this._getDaysInMonth(year, month)));
var timeSteps = inst.options.timeSteps;
var hour = inst._selectedHour + (field.match(/h/i) ? offset * timeSteps[0] : 0) +
(field == 'a' && offset != 0 ? (inst._selectedHour < 12 ? +12 : -12) : 0);
var minute = inst._selectedMinute + (field.match(/m/i) ? offset * timeSteps[1] : 0);
var second = inst._selectedSecond + (field.match(/s/i) ? offset * timeSteps[2] : 0);
this._setDatetime(inst, new Date(year, month, day, hour, minute, second));
},
/* Find the number of days in a given month.
@param year (number) the full year
@param month (number) the month (0 to 11)
@return (number) the number of days in this month */
_getDaysInMonth: function(year, month) {
return new Date(year, month + 1, 0, 12).getDate();
},
/* Check against minimum/maximum and display datetime.
@param inst (object) the instance settings
@param datetime (Date) an actual date or
(number) offset in days from now or
(string) units and periods of offsets from now */
_setDatetime: function(inst, datetime) {
// Normalise to base time
datetime = this._normaliseDatetime(this._determineDatetime(inst,
datetime || inst.options.defaultDatetime) || new Date());
var fields = this._constrainTime(inst,
[datetime.getHours(), datetime.getMinutes(), datetime.getSeconds()]);
datetime.setHours(fields[0], fields[1], fields[2]);
var minDatetime = this._normaliseDatetime(
this._determineDatetime(inst, inst.options.minDatetime));
var maxDatetime = this._normaliseDatetime(
this._determineDatetime(inst, inst.options.maxDatetime));
var minTime = this._normaliseDatetime(
this._determineDatetime(inst, inst.options.minTime), 'd');
var maxTime = this._normaliseDatetime(
this._determineDatetime(inst, inst.options.maxTime), 'd');
// Ensure it is within the bounds set
datetime = (minDatetime && datetime < minDatetime ? minDatetime :
(maxDatetime && datetime > maxDatetime ? maxDatetime : datetime));
if (minTime && this._normaliseDatetime(new Date(datetime.getTime()), 'd') < minTime) {
this._copyTime(minTime, datetime);
}
if (maxTime && this._normaliseDatetime(new Date(datetime.getTime()), 'd') > maxTime) {
this._copyTime(maxTime, datetime);
}
inst._selectedYear = datetime.getFullYear();
inst._selectedMonth = datetime.getMonth();
inst._selectedDay = datetime.getDate();
inst._selectedHour = datetime.getHours();
inst._selectedMinute = datetime.getMinutes();
inst._selectedSecond = datetime.getSeconds();
this._showDatetime(inst);
},
/* Copy just the date portion of a date/time.
@param dateFrom (Date) the date/time to copy from
@param dateTo (Date) the date/time to copy to */
_copyDate: function(dateFrom, dateTo) {
dateTo.setFullYear(dateFrom.getFullYear());
dateTo.setMonth(dateFrom.getMonth());
dateTo.setDate(dateFrom.getDate());
},
/* Copy just the time portion of a date/time.
@param timeFrom (Date) the date/time to copy from
@param timeTo (Date) the date/time to copy to */
_copyTime: function(timeFrom, timeTo) {
timeTo.setHours(timeFrom.getHours());
timeTo.setMinutes(timeFrom.getMinutes());
timeTo.setSeconds(timeFrom.getSeconds());
},
/* A datetime may be specified as an exact value or a relative one.
@param inst (object) the instance settings
@param setting (Date) an actual datetime or
(number) offset in seconds/days from now or
(string) units and periods of offsets from now
@return (Date) the calculated datetime */
_determineDatetime: function(inst, setting) {
var offsetNumeric = function(offset) { // E.g. +300, -2
var datetime = new Date();
datetime.setSeconds(datetime.getSeconds() + offset);
return datetime;
};
var offsetString = function(offset) { // E.g. '+2m', '-4h', '+3h +30m'
var datetime;
try { // Check for string in current datetime format
datetime = plugin._parseDatetime(inst, offset);
if (datetime) {
return datetime;
}
}
catch (e) {
// Ignore
}
offset = offset.toLowerCase();
datetime = new Date();
var year = datetime.getFullYear();
var month = datetime.getMonth();
var day = datetime.getDate();
var hour = datetime.getHours();
var minute = datetime.getMinutes();