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rwt.widgets.base.Calendar.js Maven / Gradle / Ivy
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/*******************************************************************************
* Copyright (c) 2008, 2012 Innoopract Informationssysteme GmbH.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Innoopract Informationssysteme GmbH - initial API and implementation
******************************************************************************/
/**
* This is a modified version of qooxdoo qx.ui.component.DateChooser component.
*/
/**
* Shows a calendar and allows choosing a date.
*
* @appearance calendar-toolbar-button {qx.ui.toolbar.Button}
* @appearance calendar-navBar {rwt.widgets.base.BoxLayout}
* @appearance calendar-monthyear {rwt.widgets.base.Label}
* @appearance calendar-weekday {rwt.widgets.base.Label}
* @appearance calendar-datepane {rwt.widgets.base.Parent}
* @appearance calendar-weekday {rwt.widgets.base.Label}
*
* @appearance calendar-day {rwt.widgets.base.Label}
* @state weekend {calendar-day}
* @state otherMonth {calendar-day}
* @state today {calendar-day}
* @state selected {calendar-day}
*/
rwt.qx.Class.define("rwt.widgets.base.Calendar", {
extend : rwt.widgets.base.BoxLayout,
/*
*****************************************************************************
CONSTRUCTOR
*****************************************************************************
*/
/**
* @param date {Date ? null} The initial date to show. If null
* the current day (today) is shown.
*/
construct : function( date ) {
this.base( arguments );
this.setOrientation( "vertical" );
// Create the navigation bar
var navBar = new rwt.widgets.base.BoxLayout();
navBar.setAppearance("calendar-navBar");
navBar.set( {
height : "auto",
spacing : 1
} );
var lastYearBt = new rwt.widgets.base.Button();
var lastMonthBt = new rwt.widgets.base.Button();
var monthYearLabel = new rwt.widgets.base.Label();
var nextMonthBt = new rwt.widgets.base.Button();
var nextYearBt = new rwt.widgets.base.Button();
var wm = rwt.remote.WidgetManager.getInstance();
wm.setToolTip( lastYearBt, "Previous year" );
wm.setToolTip( lastMonthBt, "Previous month" );
wm.setToolTip( nextMonthBt, "Next month" );
wm.setToolTip( nextYearBt, "Next year" );
lastYearBt.set( {
show : 'icon',
spacing : 0,
tabIndex: null
} );
lastYearBt.setUserData( "calendar-button", true );
lastMonthBt.set( {
show : 'icon',
tabIndex: null
} );
lastMonthBt.setUserData( "calendar-button", true );
nextMonthBt.set( {
show : 'icon',
tabIndex: null
} );
nextMonthBt.setUserData( "calendar-button", true );
nextYearBt.set( {
show : 'icon',
tabIndex: null
} );
nextYearBt.setUserData( "calendar-button", true );
lastYearBt.setAppearance("calendar-toolbar-previous-year-button");
lastMonthBt.setAppearance("calendar-toolbar-previous-month-button");
nextMonthBt.setAppearance("calendar-toolbar-next-month-button");
nextYearBt.setAppearance("calendar-toolbar-next-year-button");
lastYearBt.addEventListener("click", this._onNavButtonClicked, this);
lastMonthBt.addEventListener("click", this._onNavButtonClicked, this);
nextMonthBt.addEventListener("click", this._onNavButtonClicked, this);
nextYearBt.addEventListener("click", this._onNavButtonClicked, this);
this._lastYearBt = lastYearBt;
this._lastMonthBt = lastMonthBt;
this._nextMonthBt = nextMonthBt;
this._nextYearBt = nextYearBt;
monthYearLabel.setAppearance("calendar-monthyear");
monthYearLabel.set( { width : "1*" } );
navBar.add(lastYearBt, lastMonthBt, monthYearLabel, nextMonthBt, nextYearBt);
this._monthYearLabel = monthYearLabel;
navBar.setHtmlProperty("id", "navBar");
// Create the date pane
var datePane = new rwt.widgets.base.Parent();
datePane.setAppearance("calendar-datepane");
datePane.set( {
width : rwt.widgets.base.Calendar.CELL_WIDTH * 8,
height : rwt.widgets.base.Calendar.CELL_HEIGHT * 7
} );
// Create the weekdays
// Add an empty label as spacer for the week numbers
var label = new rwt.widgets.base.Label();
label.setAppearance( "calendar-week" );
label.set( {
width : rwt.widgets.base.Calendar.CELL_WIDTH,
height : rwt.widgets.base.Calendar.CELL_HEIGHT,
left : 0
} );
label.addState( "header" );
datePane.add( label );
this._weekdayLabelArr = [];
for( var i=1; i<8; i++ ) {
var label = new rwt.widgets.base.Label();
label.setAppearance( "calendar-weekday" );
label.setSelectable( false );
label.setCursor( "default" );
label.set( {
width : rwt.widgets.base.Calendar.CELL_WIDTH,
height : rwt.widgets.base.Calendar.CELL_HEIGHT,
left : i * rwt.widgets.base.Calendar.CELL_WIDTH
} );
datePane.add( label );
this._weekdayLabelArr.push( label );
}
// Add the days
this._dayLabelArr = [];
this._weekLabelArr = [];
for( var y = 0; y < 6; y++ ) {
// Add the week label
var label = new rwt.widgets.base.Label();
label.setAppearance( "calendar-week" );
label.setSelectable( false );
label.setCursor( "default" );
label.set( {
width : rwt.widgets.base.Calendar.CELL_WIDTH,
height : rwt.widgets.base.Calendar.CELL_HEIGHT,
left : 0,
top : (y + 1) * rwt.widgets.base.Calendar.CELL_HEIGHT
} );
datePane.add( label );
this._weekLabelArr.push( label );
// Add the day labels
for (var x=1; x<8; x++) {
var label = new rwt.widgets.base.Label();
label.setAppearance( "calendar-day" );
label.setSelectable( false );
label.setCursor( "default" );
label.set( {
width : rwt.widgets.base.Calendar.CELL_WIDTH,
height : rwt.widgets.base.Calendar.CELL_HEIGHT,
left : x * rwt.widgets.base.Calendar.CELL_WIDTH,
top : (y + 1) * rwt.widgets.base.Calendar.CELL_HEIGHT
} );
label.addEventListener( "mousedown", this._onDayClicked, this );
label.addEventListener( "dblclick", this._onDayDblClicked, this );
label.addEventListener( "mouseover", this._onDayMouseOver, this );
label.addEventListener( "mouseout", this._onDayMouseOut, this );
label.setUserData( "calendar-day", true );
datePane.add( label );
this._dayLabelArr.push( label );
}
}
// [if] The focus and key keypress event are handled by DateTimeCalendar
// Make focusable
// this.setTabIndex(1);
// this.addEventListener("keypress", this._onkeypress);
// Show the right date
var shownDate = ( date != null ) ? date : new Date();
this.showMonth( shownDate.getMonth(), shownDate.getFullYear() );
// Add the main widgets
this.add( navBar );
this.add( datePane );
// Initialize dimensions
this.initWidth();
this.initHeight();
},
/*
*****************************************************************************
EVENTS
*****************************************************************************
*/
events: {
/** Fired when a date was selected. The event holds the new selected date in its data property.*/
"select" : "rwt.event.DataEvent"
},
/*
*****************************************************************************
STATICS
*****************************************************************************
*/
statics : {
CELL_WIDTH : 24,
CELL_HEIGHT : 16,
MONTH_NAMES : [],
WEEKDAY_NAMES : []
},
/*
*****************************************************************************
PROPERTIES
*****************************************************************************
*/
properties : {
width : {
refine : true,
init : "auto"
},
height : {
refine : true,
init : "auto"
},
/** The currently shown month. 0 = january, 1 = february, and so on. */
shownMonth : {
check : "Integer",
init : null,
nullable : true,
event : "changeShownMonth"
},
/** The currently shown year. */
shownYear : {
check : "Integer",
init : null,
nullable : true,
event : "changeShownYear"
},
/** {Date} The currently selected date. */
date : {
check : "Date",
init : null,
nullable : true,
apply : "_applyDate",
event : "changeDate",
transform : "_checkDate"
}
},
/*
*****************************************************************************
MEMBERS
*****************************************************************************
*/
members : {
addState : function( state ) {
this.base( arguments, state );
if( state.substr( 0, 8 ) == "variant_" ) {
this._monthYearLabel.addState( state );
for( var i = 0; i < 7; i++ ) {
this._weekdayLabelArr[ i ].addState( state );
}
for( var i = 0; i < 6 * 7; i++ ) {
this._dayLabelArr[ i ].addState( state );
}
for( var i = 0; i < 6; i++ ) {
this._weekLabelArr[ i ].addState( state );
}
}
},
removeState : function( state ) {
this.base( arguments, state );
if( state.substr( 0, 8 ) == "variant_" ) {
this._monthYearLabel.removeState( state );
for( var i = 0; i < 7; i++ ) {
this._weekdayLabelArr[ i ].removeState( state );
}
for( var i = 0; i < 6 * 7; i++ ) {
this._dayLabelArr[ i ].removeState( state );
}
for( var i = 0; i < 6; i++ ) {
this._weekLabelArr[ i ].removeState( state );
}
}
},
// property checker
/**
* TODOC
*
* @type member
* @param value {var} Current value
* @return {var} TODOC
*/
_checkDate : function(value) {
// Use a clone of the date internally since date instances may be changed
return (value == null) ? null : new Date(value.getTime());
},
// property modifier
/**
* TODOC
*
* @type member
* @param value {var} Current value
* @param old {var} Previous value
*/
_applyDate : function(value, old) {
if ((value != null) && (this.getShownMonth() != value.getMonth() || this.getShownYear() != value.getFullYear())) {
// The new date is in another month -> Show that month
this.showMonth(value.getMonth(), value.getFullYear());
} else {
// The new date is in the current month -> Just change the states
var newDay = (value == null) ? -1 : value.getDate();
for (var i=0; i<6*7; i++) {
var dayLabel = this._dayLabelArr[i];
if (dayLabel.hasState("otherMonth")) {
if (dayLabel.hasState("selected")) {
dayLabel.removeState("selected");
}
} else {
var day = parseInt( dayLabel.getText(), 10 );
if( day == newDay ) {
dayLabel.addState("selected");
} else if (dayLabel.hasState("selected")) {
dayLabel.removeState("selected");
}
}
}
}
},
/**
* Event handler. Called when a navigation button has been clicked.
*
* @type member
* @param evt {Map} the event.
* @return {void}
*/
_onNavButtonClicked : function(evt) {
var year = this.getShownYear();
var month = this.getShownMonth();
switch(evt.getTarget()) {
case this._lastYearBt:
year--;
break;
case this._lastMonthBt:
month--;
if (month < 0) {
month = 11;
year--;
}
break;
case this._nextMonthBt:
month++;
if (month >= 12) {
month = 0;
year++;
}
break;
case this._nextYearBt:
year++;
break;
}
this.showMonth(month, year);
},
/**
* Event handler. Called when a day has been clicked.
*
* @type member
* @param evt {Map} the event.
* @return {void}
*/
_onDayClicked : function(evt) {
if( evt.isLeftButtonPressed() ) {
var time = evt.getTarget().dateTime;
this.setDate(new Date(time));
}
},
/**
* TODOC
*
* @type member
* @return {void}
*/
_onDayDblClicked : function() {
this.createDispatchDataEvent("select", this.getDate());
},
_onDayMouseOver : function( evt ) {
evt.getTarget().addState( "over" );
},
_onDayMouseOut : function( evt ) {
evt.getTarget().removeState( "over" );
},
/**
* Event handler. Called when a key was pressed.
*
* @type member
* @param evt {Map} the event.
* @return {boolean | void} TODOC
*/
_onkeypress : function( evt ) {
var dayIncrement = null;
var monthIncrement = null;
var yearIncrement = null;
if( evt.getModifiers() === 0 ) {
switch( evt.getKeyIdentifier() ) {
case "Left":
dayIncrement = -1;
evt.preventDefault();
evt.stopPropagation();
break;
case "Right":
dayIncrement = 1;
evt.preventDefault();
evt.stopPropagation();
break;
case "Up":
dayIncrement = -7;
evt.preventDefault();
evt.stopPropagation();
break;
case "Down":
dayIncrement = 7;
evt.preventDefault();
evt.stopPropagation();
break;
case "PageUp":
monthIncrement = -1;
evt.preventDefault();
evt.stopPropagation();
break;
case "PageDown":
monthIncrement = 1;
evt.preventDefault();
evt.stopPropagation();
break;
case "Escape":
if (this.getDate() != null) {
this.setDate(null);
evt.preventDefault();
evt.stopPropagation();
return true;
}
evt.preventDefault();
evt.stopPropagation();
break;
case "Home":
case "End":
evt.preventDefault();
evt.stopPropagation();
break;
case "Enter":
case "Space":
if (this.getDate() != null) {
this.createDispatchDataEvent("select", this.getDate());
}
evt.preventDefault();
evt.stopPropagation();
return;
}
}
else if (evt.isShiftPressed()) {
switch(evt.getKeyIdentifier()) {
case "PageUp":
yearIncrement = -1;
evt.preventDefault();
evt.stopPropagation();
break;
case "PageDown":
yearIncrement = 1;
evt.preventDefault();
evt.stopPropagation();
break;
}
}
if (dayIncrement != null || monthIncrement != null || yearIncrement != null) {
var date = this.getDate();
if (date != null) {
date = new Date(date.getTime()); // TODO: Do cloning in getter
}
if (date == null) {
date = new Date();
} else {
if( dayIncrement != null ) {
date.setDate( date.getDate() + dayIncrement );
}
if( monthIncrement != null ) {
date.setMonth( date.getMonth() + monthIncrement );
}
if( yearIncrement != null ) {
date.setFullYear( date.getFullYear() + yearIncrement );
}
}
this.setDate(date);
}
},
// ***** Methods *****
/**
* Shows a certain month.
*
* @type member
* @param month {Integer ? null} the month to show (0 = january). If not set the month
* will remain the same.
* @param year {Integer ? null} the year to show. If not set the year will remain the
* same.
* @return {void}
*/
showMonth : function(month, year) {
if ((month != null && month != this.getShownMonth()) || (year != null && year != this.getShownYear())) {
if (month != null) {
this.setShownMonth(month);
}
if (year != null) {
this.setShownYear(year);
}
this._updateDatePane();
}
},
/**
* Updates the date pane.
*
* @type member
* @return {void}
*/
_updateDatePane : function() {
var today = new Date();
var todayYear = today.getFullYear();
var todayMonth = today.getMonth();
var todayDayOfMonth = today.getDate();
var selDate = this.getDate();
var selYear = (selDate == null) ? -1 : selDate.getFullYear();
var selMonth = (selDate == null) ? -1 : selDate.getMonth();
var selDayOfMonth = (selDate == null) ? -1 : selDate.getDate();
var shownMonth = this.getShownMonth();
var shownYear = this.getShownYear();
var startOfWeek = this.__getWeekStart();
// Create a help date that points to the first of the current month
var helpDate = new Date(this.getShownYear(), this.getShownMonth(), 1);
var year = this.getShownYear();
var month = rwt.widgets.base.Calendar.MONTH_NAMES[ this.getShownMonth() ];
this._monthYearLabel.setText( month + " " + year );
// Show the day names
var firstDayOfWeek = helpDate.getDay();
var firstSundayInMonth = (1 + 7 - firstDayOfWeek) % 7;
for (var i=0; i<7; i++) {
var day = (i + startOfWeek) % 7;
var dayLabel = this._weekdayLabelArr[i];
helpDate.setDate(firstSundayInMonth + day);
var weekdayName = rwt.widgets.base.Calendar.WEEKDAY_NAMES[ helpDate.getDay() + 1 ];
dayLabel.setText( weekdayName );
if (this.__isWeekend(day)) {
dayLabel.addState("weekend");
} else {
dayLabel.removeState("weekend");
}
}
// Show the days
helpDate = new Date(shownYear, shownMonth, 1);
var nrDaysOfLastMonth = (7 + firstDayOfWeek - startOfWeek) % 7;
helpDate.setDate(helpDate.getDate() - nrDaysOfLastMonth);
for (var week=0; week<6; week++) {
this._weekLabelArr[week].setText("" + this.__getWeekInYear(helpDate));
for (var i=0; i<7; i++) {
var dayLabel = this._dayLabelArr[week * 7 + i];
var year = helpDate.getFullYear();
var month = helpDate.getMonth();
var dayOfMonth = helpDate.getDate();
var isSelectedDate = (selYear == year && selMonth == month && selDayOfMonth == dayOfMonth);
if (isSelectedDate) {
dayLabel.addState("selected");
} else {
dayLabel.removeState("selected");
}
if (month != shownMonth) {
dayLabel.addState("otherMonth");
} else {
dayLabel.removeState("otherMonth");
}
var isToday = (year == todayYear && month == todayMonth && dayOfMonth == todayDayOfMonth);
if (isToday) {
dayLabel.addState("today");
} else {
dayLabel.removeState("today");
}
dayLabel.setText("" + dayOfMonth);
dayLabel.dateTime = helpDate.getTime();
// Go to the next day
helpDate.setDate(helpDate.getDate() + 1);
}
}
},
/**
* Returns the thursday in the same week as the date.
*
* @type member
* @param date {Date} the date to get the thursday of.
* @return {Date} the thursday in the same week as the date.
*/
__thursdayOfSameWeek : function(date) {
return new Date(date.getTime() + (3 - ((date.getDay() + 6) % 7)) * 86400000);
},
/**
* Returns the week in year of a date.
*
* @type member
* @param date {Date} the date to get the week in year of.
* @return {Integer} the week in year.
*/
__getWeekInYear : function(date) {
// This algorithm gets the correct calendar week after ISO 8601.
// This standard is used in almost all european countries.
// TODO: In the US week in year is calculated different!
// See http://www.merlyn.demon.co.uk/weekinfo.htm
// The following algorithm comes from http://www.salesianer.de/util/kalwoch.html
// Get the thursday of the week the date belongs to
var thursdayDate = this.__thursdayOfSameWeek(date);
// Get the year the thursday (and therefor the week) belongs to
var weekYear = thursdayDate.getFullYear();
// Get the thursday of the week january 4th belongs to
// (which defines week 1 of a year)
var thursdayWeek1 = this.__thursdayOfSameWeek(new Date(weekYear, 0, 4));
// Calculate the calendar week
return Math.floor(1.5 + (thursdayDate.getTime() - thursdayWeek1.getTime()) / 86400000 / 7);
},
/**
* Return the day the week starts with
*
* Reference: Common Locale Data Repository (cldr) supplementalData.xml
*
* @type member
* @return {Integer} index of the first day of the week. 0=sunday, 1=monday, ...
*/
__getWeekStart : function() {
var weekStart = {
// default is monday
"MV" : 5, // friday
"AE" : 6, // saturday
"AF" : 6,
"BH" : 6,
"DJ" : 6,
"DZ" : 6,
"EG" : 6,
"ER" : 6,
"ET" : 6,
"IQ" : 6,
"IR" : 6,
"JO" : 6,
"KE" : 6,
"KW" : 6,
"LB" : 6,
"LY" : 6,
"MA" : 6,
"OM" : 6,
"QA" : 6,
"SA" : 6,
"SD" : 6,
"SO" : 6,
"TN" : 6,
"YE" : 6,
"AS" : 0, // sunday
"AU" : 0,
"AZ" : 0,
"BW" : 0,
"CA" : 0,
"CN" : 0,
"FO" : 0,
"GE" : 0,
"GL" : 0,
"GU" : 0,
"HK" : 0,
"IE" : 0,
"IL" : 0,
"IS" : 0,
"JM" : 0,
"JP" : 0,
"KG" : 0,
"KR" : 0,
"LA" : 0,
"MH" : 0,
"MN" : 0,
"MO" : 0,
"MP" : 0,
"MT" : 0,
"NZ" : 0,
"PH" : 0,
"PK" : 0,
"SG" : 0,
"TH" : 0,
"TT" : 0,
"TW" : 0,
"UM" : 0,
"US" : 0,
"UZ" : 0,
"VI" : 0,
"ZA" : 0,
"ZW" : 0,
"MW" : 0,
"NG" : 0,
"TJ" : 0
};
var territory = this.__getTerritory();
// default is monday
return weekStart[territory] != null ? weekStart[territory] : 1;
},
/**
* Return the day the weekend starts with
*
* Reference: Common Locale Data Repository (cldr) supplementalData.xml
*
* @type member
* @return {Integer} index of the first day of the weekend. 0=sunday, 1=monday, ...
*/
__getWeekendStart : function() {
var weekendStart = {
// default is saturday
"EG" : 5, // friday
"IL" : 5,
"SY" : 5,
"IN" : 0, // sunday
"AE" : 4, // thursday
"BH" : 4,
"DZ" : 4,
"IQ" : 4,
"JO" : 4,
"KW" : 4,
"LB" : 4,
"LY" : 4,
"MA" : 4,
"OM" : 4,
"QA" : 4,
"SA" : 4,
"SD" : 4,
"TN" : 4,
"YE" : 4
};
var territory = this.__getTerritory();
// default is saturday
return weekendStart[territory] != null ? weekendStart[territory] : 6;
},
/**
* Return the day the weekend ends with
*
* Reference: Common Locale Data Repository (cldr) supplementalData.xml
*
* @type member
* @return {Integer} index of the last day of the weekend. 0=sunday, 1=monday, ...
*/
__getWeekendEnd : function() {
var weekendEnd = {
// default is sunday
"AE" : 5, // friday
"BH" : 5,
"DZ" : 5,
"IQ" : 5,
"JO" : 5,
"KW" : 5,
"LB" : 5,
"LY" : 5,
"MA" : 5,
"OM" : 5,
"QA" : 5,
"SA" : 5,
"SD" : 5,
"TN" : 5,
"YE" : 5,
"AF" : 5,
"IR" : 5,
"EG" : 6, // saturday
"IL" : 6,
"SY" : 6
};
var territory = this.__getTerritory();
// default is sunday
return weekendEnd[territory] != null ? weekendEnd[territory] : 0;
},
/**
* Returns whether a certain day of week belongs to the week end.
*
* @type member
* @param day {Integer} index of the day. 0=sunday, 1=monday, ...
* @return {Boolean} whether the given day is a weekend day
*/
__isWeekend : function(day) {
var weekendStart = this.__getWeekendStart();
var weekendEnd = this.__getWeekendEnd();
if (weekendEnd > weekendStart) {
return ((day >= weekendStart) && (day <= weekendEnd));
} else {
return ((day >= weekendStart) || (day <= weekendEnd));
}
},
/**
* Extract the territory part from a locale
*
* @type member
* @return {String} territory
*/
__getTerritory : function() {
var territory = rwt.client.Client.getTerritory() || rwt.client.Client.getLanguage();
return territory.toUpperCase();
}
},
/*
*****************************************************************************
DESTRUCTOR
*****************************************************************************
*/
destruct : function() {
this._disposeObjects("_lastYearBt", "_lastMonthBt", "_nextMonthBt", "_nextYearBt", "_monthYearLabel");
this._disposeObjectDeep("_weekdayLabelArr", 1);
this._disposeObjectDeep("_dayLabelArr", 1);
this._disposeObjectDeep("_weekLabelArr", 1);
}
} );
