326 lines
10 KiB
JavaScript
326 lines
10 KiB
JavaScript
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dojo.provide("dijit._Calendar");
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dojo.require("dojo.cldr.supplemental");
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dojo.require("dojo.date");
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dojo.require("dojo.date.locale");
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dojo.require("dijit._Widget");
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dojo.require("dijit._Templated");
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dojo.declare(
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"dijit._Calendar",
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[dijit._Widget, dijit._Templated],
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{
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// summary:
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// A simple GUI for choosing a date in the context of a monthly calendar.
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//
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// description:
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// A simple GUI for choosing a date in the context of a monthly calendar.
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// This widget is used internally by other widgets and is not accessible
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// as a standalone widget.
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// This widget can't be used in a form because it doesn't serialize the date to an
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// `<input>` field. For a form element, use dijit.form.DateTextBox instead.
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//
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// Note that the parser takes all dates attributes passed in the
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// [RFC 3339 format](http://www.faqs.org/rfcs/rfc3339.html), e.g. `2005-06-30T08:05:00-07:00`
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// so that they are serializable and locale-independent.
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//
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// example:
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// | var calendar = new dijit._Calendar({}, dojo.byId("calendarNode"));
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//
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// example:
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// | <div dojoType="dijit._Calendar"></div>
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templatePath: dojo.moduleUrl("dijit", "templates/Calendar.html"),
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// value: Date
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// The currently selected Date
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value: new Date(),
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// dayWidth: String
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// How to represent the days of the week in the calendar header. See dojo.date.locale
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dayWidth: "narrow",
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setValue: function(/*Date*/ value){
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// summary:
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// Deprecated. Used attr('value', ...) instead.
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// tags:
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// deprecated
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dojo.deprecated("dijit.Calendar:setValue() is deprecated. Use attr('value', ...) instead.", "", "2.0");
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this.attr('value', value);
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},
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_getValueAttr: function(/*String*/ value){
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// summary:
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// Hook so attr('value') works.
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var value = new Date(this.value);
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value.setHours(0, 0, 0, 0); // return midnight, local time for back-compat
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// If daylight savings pushes midnight to the previous date, fix the Date
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// object to point at 1am so it will represent the correct day. See #9366
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if(value.getDate() < this.value.getDate()){
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value = dojo.date.add(value, "hour", 1);
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}
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return value;
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},
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_setValueAttr: function(/*Date*/ value){
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// summary:
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// Hook to make attr("value", ...) work.
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// description:
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// Set the current date and update the UI. If the date is disabled, the selection will
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// not change, but the display will change to the corresponding month.
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// tags:
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// protected
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if(!this.value || dojo.date.compare(value, this.value)){
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value = new Date(value);
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value.setHours(1); // to avoid issues when DST shift occurs at midnight, see #8521, #9366
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this.displayMonth = new Date(value);
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if(!this.isDisabledDate(value, this.lang)){
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this.value = value;
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this.onChange(this.attr('value'));
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}
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this._populateGrid();
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}
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},
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_setText: function(node, text){
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// summary:
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// This just sets the content of node to the specified text.
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// Can't do "node.innerHTML=text" because of an IE bug w/tables, see #3434.
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// tags:
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// private
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while(node.firstChild){
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node.removeChild(node.firstChild);
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}
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node.appendChild(dojo.doc.createTextNode(text));
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},
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_populateGrid: function(){
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// summary:
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// Fills in the calendar grid with each day (1-31)
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// tags:
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// private
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var month = this.displayMonth;
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month.setDate(1);
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var firstDay = month.getDay();
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var daysInMonth = dojo.date.getDaysInMonth(month);
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var daysInPreviousMonth = dojo.date.getDaysInMonth(dojo.date.add(month, "month", -1));
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var today = new Date();
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var selected = this.value;
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var dayOffset = dojo.cldr.supplemental.getFirstDayOfWeek(this.lang);
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if(dayOffset > firstDay){ dayOffset -= 7; }
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// Iterate through dates in the calendar and fill in date numbers and style info
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dojo.query(".dijitCalendarDateTemplate", this.domNode).forEach(function(template, i){
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i += dayOffset;
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var date = new Date(month);
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var number, clazz = "dijitCalendar", adj = 0;
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if(i < firstDay){
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number = daysInPreviousMonth - firstDay + i + 1;
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adj = -1;
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clazz += "Previous";
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}else if(i >= (firstDay + daysInMonth)){
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number = i - firstDay - daysInMonth + 1;
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adj = 1;
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clazz += "Next";
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}else{
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number = i - firstDay + 1;
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clazz += "Current";
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}
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if(adj){
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date = dojo.date.add(date, "month", adj);
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}
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date.setDate(number);
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if(!dojo.date.compare(date, today, "date")){
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clazz = "dijitCalendarCurrentDate " + clazz;
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}
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if(!dojo.date.compare(date, selected, "date")){
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clazz = "dijitCalendarSelectedDate " + clazz;
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}
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if(this.isDisabledDate(date, this.lang)){
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clazz = "dijitCalendarDisabledDate " + clazz;
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}
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var clazz2 = this.getClassForDate(date, this.lang);
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if(clazz2){
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clazz = clazz2 + " " + clazz;
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}
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template.className = clazz + "Month dijitCalendarDateTemplate";
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template.dijitDateValue = date.valueOf();
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var label = dojo.query(".dijitCalendarDateLabel", template)[0];
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this._setText(label, date.getDate());
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}, this);
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// Fill in localized month name
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var monthNames = dojo.date.locale.getNames('months', 'wide', 'standAlone', this.lang);
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this._setText(this.monthLabelNode, monthNames[month.getMonth()]);
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// Fill in localized prev/current/next years
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var y = month.getFullYear() - 1;
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var d = new Date();
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dojo.forEach(["previous", "current", "next"], function(name){
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d.setFullYear(y++);
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this._setText(this[name+"YearLabelNode"],
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dojo.date.locale.format(d, {selector:'year', locale:this.lang}));
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}, this);
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// Set up repeating mouse behavior
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var _this = this;
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var typematic = function(nodeProp, dateProp, adj){
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_this._connects.push(
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dijit.typematic.addMouseListener(_this[nodeProp], _this, function(count){
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if(count >= 0){ _this._adjustDisplay(dateProp, adj); }
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}, 0.8, 500)
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);
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};
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typematic("incrementMonth", "month", 1);
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typematic("decrementMonth", "month", -1);
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typematic("nextYearLabelNode", "year", 1);
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typematic("previousYearLabelNode", "year", -1);
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},
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goToToday: function(){
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// summary:
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// Sets calendar's value to today's date
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this.attr('value', new Date());
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},
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postCreate: function(){
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this.inherited(arguments);
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dojo.setSelectable(this.domNode, false);
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var cloneClass = dojo.hitch(this, function(clazz, n){
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var template = dojo.query(clazz, this.domNode)[0];
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for(var i=0; i<n; i++){
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template.parentNode.appendChild(template.cloneNode(true));
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}
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});
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// clone the day label and calendar day templates 6 times to make 7 columns
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cloneClass(".dijitCalendarDayLabelTemplate", 6);
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cloneClass(".dijitCalendarDateTemplate", 6);
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// now make 6 week rows
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cloneClass(".dijitCalendarWeekTemplate", 5);
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// insert localized day names in the header
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var dayNames = dojo.date.locale.getNames('days', this.dayWidth, 'standAlone', this.lang);
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var dayOffset = dojo.cldr.supplemental.getFirstDayOfWeek(this.lang);
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dojo.query(".dijitCalendarDayLabel", this.domNode).forEach(function(label, i){
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this._setText(label, dayNames[(i + dayOffset) % 7]);
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}, this);
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// Fill in spacer element with all the month names (invisible) so that the maximum width will affect layout
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var monthNames = dojo.date.locale.getNames('months', 'wide', 'standAlone', this.lang);
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dojo.forEach(monthNames, function(name){
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var monthSpacer = dojo.create("div", null, this.monthLabelSpacer);
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this._setText(monthSpacer, name);
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}, this);
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this.value = null;
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this.attr('value', new Date());
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},
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_adjustDisplay: function(/*String*/ part, /*int*/ amount){
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// summary:
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// Moves calendar forwards or backwards by months or years
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// part:
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// "month" or "year"
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// amount:
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// Number of months or years
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// tags:
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// private
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this.displayMonth = dojo.date.add(this.displayMonth, part, amount);
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this._populateGrid();
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},
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_onDayClick: function(/*Event*/ evt){
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// summary:
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// Handler for when user clicks a day
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// tags:
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// protected
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dojo.stopEvent(evt);
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for(var node = evt.target; node && !node.dijitDateValue; node = node.parentNode);
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if(node && !dojo.hasClass(node, "dijitCalendarDisabledDate")){
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this.attr('value', node.dijitDateValue);
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this.onValueSelected(this.attr('value'));
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}
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},
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_onDayMouseOver: function(/*Event*/ evt){
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// summary:
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// Handler for when user clicks a day
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// tags:
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// protected
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var node = evt.target;
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if(node && (node.dijitDateValue || node == this.previousYearLabelNode || node == this.nextYearLabelNode) ){
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dojo.addClass(node, "dijitCalendarHoveredDate");
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this._currentNode = node;
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}
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},
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_onDayMouseOut: function(/*Event*/ evt){
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// summary:
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// Handler for when user clicks a day
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// tags:
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// protected
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if(!this._currentNode){ return; }
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for(var node = evt.relatedTarget; node;){
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if(node == this._currentNode){ return; }
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try{
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node = node.parentNode;
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}catch(x){
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node = null;
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}
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}
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dojo.removeClass(this._currentNode, "dijitCalendarHoveredDate");
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this._currentNode = null;
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},
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onValueSelected: function(/*Date*/ date){
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// summary:
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// Notification that a date cell was selected. It may be the same as the previous value.
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// description:
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// Used by `dijit.form._DateTimeTextBox` (and thus `dijit.form.DateTextBox`)
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// to get notification when the user has clicked a date.
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// tags:
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// protected
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},
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onChange: function(/*Date*/ date){
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// summary:
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// Called only when the selected date has changed
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},
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isDisabledDate: function(/*Date*/ dateObject, /*String?*/ locale){
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// summary:
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// May be overridden to disable certain dates in the calendar e.g. `isDisabledDate=dojo.date.locale.isWeekend`
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// tags:
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// extension
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/*=====
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return false; // Boolean
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=====*/
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},
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getClassForDate: function(/*Date*/ dateObject, /*String?*/ locale){
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// summary:
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// May be overridden to return CSS classes to associate with the date entry for the given dateObject,
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// for example to indicate a holiday in specified locale.
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// tags:
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// extension
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/*=====
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return ""; // String
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=====*/
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}
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}
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);
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