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datepicker.js
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datepicker.js
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// ==========================================================================
// SCUI.DatePickerView
// ==========================================================================
/*globals SCUI */
/** @class
This is the Date Chooser View that creates a text field, a button that launches a calendar chooser
@extends SC.View
@author Evin Grano
@version 0.1
@since 0.1
*/
SCUI.DatePickerView = SC.View.extend(
/** @scope SCUI.DatePickerView.prototype */ {
classNames: ['scui-datepicker-view'],
// Necessary Elements
date: null,
dateString: "",
isShowingCalendar: NO,
// Params for the textfield
hint: "Click to choose...",
dateFormat: null,
calendarLayout: null,
hasHelperButtons: YES,
isEditing: NO,
/**
The isTextFieldEnabled property determines if the textfield view is enabled
@property {Boolean}
*/
isTextFieldEnabled: YES,
// @private
_textfield: null,
_date_button: null,
_calendar_popup: null,
_calendar: null,
_layout: {width: 195, height: 25},
// display properties that should automatically cause a refresh.
displayProperties: ['date', 'isEditing'],
init: function(){
sc_super();
// Setup default layout values
var layout = this.get('layout'), that = this;
layout = SC.merge(this._layout, layout);
this.set('layout', layout);
},
createChildViews: function(){
var view, childViews = [];
var that = this;
// init the dateString to whatever date we're starting with (if present)
this.set('dateString', this._genDateString(this.get('date')));
var textFieldDesign = {
layout: {left: 0, top: 0, right: 0, bottom: 0},
classNames: ['scui-datechooser-text'],
isEnabled: YES,
valueBinding: SC.Binding.from('.dateString', that),
hintBinding: SC.Binding.from('hint', that),
mouseDown: function (evt) {
that.toggle();
sc_super();
}
};
if (this.get('isTextFieldEnabled')) {
textFieldDesign.isEnabledBinding = SC.binding('isEnabled', that);
} else {
textFieldDesign.isEnabled = NO;
}
// First, Build the Textfield for the date chooser
view = this._textfield = this.createChildView(
SC.TextFieldView.design(textFieldDesign)
);
childViews.push(view);
this.bind('isEditing', SC.Binding.from('isEditing', view).oneWay());
// Now, set up the button to launch the Calendar Datepicker
view = this._date_button = this.createChildView(
SC.View.design( SCUI.SimpleButton, {
classNames: ['scui-datechooser-button', 'calendar-icon'],
layout: {right: 5, top: 4, width: 16, height: 16},
target: this,
action: 'toggle',
isEnabledBinding: SC.binding('isEnabled', that)
})
);
childViews.push(view);
this.set('childViews', childViews);
this._createCalendarPopup();
sc_super();
},
_createCalendarPopup: function(){
var that = this,
cl = this.get('calendarLayout'),
hb = this.get('hasHelperButtons');
hb = SC.none(hb) ? YES : hb;
// Create the reference to the calendar
this._calendar_popup = SC.PickerPane.create({
classNames: ['scui-calendar'],
layout: cl || { width: 205, height: 244 },
contentView: SC.View.design({
childViews: 'calendar todayButton noneButton'.w(),
calendar: SCUI.CalendarView.design({
layout: { left: 0, top: 0, bottom: 0, right: 0 },
selectedDateBinding: SC.Binding.from('date', that)
}),
todayButton: SC.View.extend(SCUI.SimpleButton, {
classNames: ['date-today'],
layout: {left: 11, bottom: 7, width: 50, height: 16 },
target: this,
action: 'selectToday',
isVisible: hb,
render: function(context, firstTime) {
if (firstTime) {
context.push('Today');
}
}
}),
noneButton: SC.View.design( SCUI.SimpleButton, {
classNames: ['date-none'],
layout: {right: 11, bottom: 7, width: 50, height: 16 },
target: this,
action: 'clearSelection',
isVisible: hb,
render: function(context, firstTime) {
if (firstTime) {
context.push('None');
}
}
})
})
});
// Setup the Binding to the SelectedDate
if (this._calendar_popup) {
this.bind('isShowingCalendar', '._calendar_popup.isPaneAttached');
this._calendar = this._calendar_popup.getPath('contentView.calendar');
}
},
render: function(context, firstTime) {
sc_super();
context.setClass('focus', this.get('isEditing'));
},
/**
Hides the attached menu if present. This is called automatically when
the button gets toggled off.
*/
hideCalendar: function() {
if (this._calendar_popup && this.get('isShowingCalendar')) {
this._calendar_popup.remove();
this.set('isShowingCalendar', NO);
}
},
/**
Shows the menu. This is called automatically when the button is toggled on.
*/
showCalendar: function() {
// Now show the menu
if (this._calendar_popup) {
this._calendar_popup.popup(this._textfield); // show the menu
this._calendar.resetToSelectedDate();
this.set('isShowingCalendar', YES);
}
},
toggle: function(){
if (this.isShowingCalendar){
this.hideCalendar();
}
else{
this.showCalendar();
}
},
selectToday: function(){
this._calendar.set('selectedDate', SC.DateTime.create());
this.hideCalendar();
},
clearSelection: function(){
this._calendar.set('selectedDate', null);
this.hideCalendar();
},
/**
Standard way to generate the date string
*/
_genDateString: function(date) {
var fmt = this.get('dateFormat') || '%a %m/%d/%Y';
var dateString = date ? date.toFormattedString(fmt) : "";
return dateString;
},
_dateDidChange: function(){
this.set('dateString', this._genDateString(this.get('date')));
this.hideCalendar();
}.observes('date')
}) ;