tt-rss/lib/dijit/Calendar.js
2011-11-08 20:40:44 +04:00

609 lines
22 KiB
JavaScript

/*
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
if(!dojo._hasResource["dijit.Calendar"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dijit.Calendar"] = true;
dojo.provide("dijit.Calendar");
dojo.require("dojo.cldr.supplemental");
dojo.require("dojo.date");
dojo.require("dojo.date.locale");
dojo.require("dijit._Widget");
dojo.require("dijit._Templated");
dojo.require("dijit._CssStateMixin");
dojo.require("dijit.form.DropDownButton");
dojo.declare(
"dijit.Calendar",
[dijit._Widget, dijit._Templated, dijit._CssStateMixin],
{
// summary:
// A simple GUI for choosing a date in the context of a monthly calendar.
//
// description:
// A simple GUI for choosing a date in the context of a monthly calendar.
// This widget can't be used in a form because it doesn't serialize the date to an
// `<input>` field. For a form element, use dijit.form.DateTextBox instead.
//
// Note that the parser takes all dates attributes passed in the
// [RFC 3339 format](http://www.faqs.org/rfcs/rfc3339.html), e.g. `2005-06-30T08:05:00-07:00`
// so that they are serializable and locale-independent.
//
// example:
// | var calendar = new dijit.Calendar({}, dojo.byId("calendarNode"));
//
// example:
// | <div dojoType="dijit.Calendar"></div>
templateString: dojo.cache("dijit", "templates/Calendar.html", "<table cellspacing=\"0\" cellpadding=\"0\" class=\"dijitCalendarContainer\" role=\"grid\" dojoAttachEvent=\"onkeypress: _onKeyPress\" aria-labelledby=\"${id}_year\">\n\t<thead>\n\t\t<tr class=\"dijitReset dijitCalendarMonthContainer\" valign=\"top\">\n\t\t\t<th class='dijitReset dijitCalendarArrow' dojoAttachPoint=\"decrementMonth\">\n\t\t\t\t<img src=\"${_blankGif}\" alt=\"\" class=\"dijitCalendarIncrementControl dijitCalendarDecrease\" role=\"presentation\"/>\n\t\t\t\t<span dojoAttachPoint=\"decreaseArrowNode\" class=\"dijitA11ySideArrow\">-</span>\n\t\t\t</th>\n\t\t\t<th class='dijitReset' colspan=\"5\">\n\t\t\t\t<div dojoType=\"dijit.form.DropDownButton\" dojoAttachPoint=\"monthDropDownButton\"\n\t\t\t\t\tid=\"${id}_mddb\" tabIndex=\"-1\">\n\t\t\t\t</div>\n\t\t\t</th>\n\t\t\t<th class='dijitReset dijitCalendarArrow' dojoAttachPoint=\"incrementMonth\">\n\t\t\t\t<img src=\"${_blankGif}\" alt=\"\" class=\"dijitCalendarIncrementControl dijitCalendarIncrease\" role=\"presentation\"/>\n\t\t\t\t<span dojoAttachPoint=\"increaseArrowNode\" class=\"dijitA11ySideArrow\">+</span>\n\t\t\t</th>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<th class=\"dijitReset dijitCalendarDayLabelTemplate\" role=\"columnheader\"><span class=\"dijitCalendarDayLabel\"></span></th>\n\t\t</tr>\n\t</thead>\n\t<tbody dojoAttachEvent=\"onclick: _onDayClick, onmouseover: _onDayMouseOver, onmouseout: _onDayMouseOut, onmousedown: _onDayMouseDown, onmouseup: _onDayMouseUp\" class=\"dijitReset dijitCalendarBodyContainer\">\n\t\t<tr class=\"dijitReset dijitCalendarWeekTemplate\" role=\"row\">\n\t\t\t<td class=\"dijitReset dijitCalendarDateTemplate\" role=\"gridcell\"><span class=\"dijitCalendarDateLabel\"></span></td>\n\t\t</tr>\n\t</tbody>\n\t<tfoot class=\"dijitReset dijitCalendarYearContainer\">\n\t\t<tr>\n\t\t\t<td class='dijitReset' valign=\"top\" colspan=\"7\">\n\t\t\t\t<h3 class=\"dijitCalendarYearLabel\">\n\t\t\t\t\t<span dojoAttachPoint=\"previousYearLabelNode\" class=\"dijitInline dijitCalendarPreviousYear\"></span>\n\t\t\t\t\t<span dojoAttachPoint=\"currentYearLabelNode\" class=\"dijitInline dijitCalendarSelectedYear\" id=\"${id}_year\"></span>\n\t\t\t\t\t<span dojoAttachPoint=\"nextYearLabelNode\" class=\"dijitInline dijitCalendarNextYear\"></span>\n\t\t\t\t</h3>\n\t\t\t</td>\n\t\t</tr>\n\t</tfoot>\n</table>\n"),
widgetsInTemplate: true,
// value: Date
// The currently selected Date, initially set to invalid date to indicate no selection.
value: new Date(""),
// TODO: for 2.0 make this a string (ISO format) rather than a Date
// datePackage: String
// JavaScript namespace to find Calendar routines. Uses Gregorian Calendar routines
// at dojo.date by default.
datePackage: "dojo.date",
// dayWidth: String
// How to represent the days of the week in the calendar header. See dojo.date.locale
dayWidth: "narrow",
// tabIndex: Integer
// Order fields are traversed when user hits the tab key
tabIndex: "0",
// currentFocus: Date
// Date object containing the currently focused date, or the date which would be focused
// if the calendar itself was focused. Also indicates which year and month to display,
// i.e. the current "page" the calendar is on.
currentFocus: new Date(),
baseClass:"dijitCalendar",
// Set node classes for various mouse events, see dijit._CssStateMixin for more details
cssStateNodes: {
"decrementMonth": "dijitCalendarArrow",
"incrementMonth": "dijitCalendarArrow",
"previousYearLabelNode": "dijitCalendarPreviousYear",
"nextYearLabelNode": "dijitCalendarNextYear"
},
_isValidDate: function(/*Date*/ value){
// summary:
// Runs various tests on the value, checking that it's a valid date, rather
// than blank or NaN.
// tags:
// private
return value && !isNaN(value) && typeof value == "object" &&
value.toString() != this.constructor.prototype.value.toString();
},
setValue: function(/*Date*/ value){
// summary:
// Deprecated. Use set('value', ...) instead.
// tags:
// deprecated
dojo.deprecated("dijit.Calendar:setValue() is deprecated. Use set('value', ...) instead.", "", "2.0");
this.set('value', value);
},
_getValueAttr: function(){
// summary:
// Support get('value')
// this.value is set to 1AM, but return midnight, local time for back-compat
var value = new this.dateClassObj(this.value);
value.setHours(0, 0, 0, 0);
// If daylight savings pushes midnight to the previous date, fix the Date
// object to point at 1am so it will represent the correct day. See #9366
if(value.getDate() < this.value.getDate()){
value = this.dateFuncObj.add(value, "hour", 1);
}
return value;
},
_setValueAttr: function(/*Date|Number*/ value, /*Boolean*/ priorityChange){
// summary:
// Support set("value", ...)
// description:
// Set the current date and update the UI. If the date is disabled, the value will
// not change, but the display will change to the corresponding month.
// value:
// Either a Date or the number of seconds since 1970.
// tags:
// protected
if(value){
// convert from Number to Date, or make copy of Date object so that setHours() call below
// doesn't affect original value
value = new this.dateClassObj(value);
}
if(this._isValidDate(value)){
if(!this._isValidDate(this.value) || this.dateFuncObj.compare(value, this.value)){
value.setHours(1, 0, 0, 0); // round to nearest day (1am to avoid issues when DST shift occurs at midnight, see #8521, #9366)
if(!this.isDisabledDate(value, this.lang)){
this._set("value", value);
// Set focus cell to the new value. Arguably this should only happen when there isn't a current
// focus point. This will also repopulate the grid, showing the new selected value (and possibly
// new month/year).
this.set("currentFocus", value);
if(priorityChange || typeof priorityChange == "undefined"){
this.onChange(this.get('value'));
this.onValueSelected(this.get('value')); // remove in 2.0
}
}
}
}else{
// clear value, and repopulate grid (to deselect the previously selected day) without changing currentFocus
this._set("value", null);
this.set("currentFocus", this.currentFocus);
}
},
_setText: function(node, text){
// summary:
// This just sets the content of node to the specified text.
// Can't do "node.innerHTML=text" because of an IE bug w/tables, see #3434.
// tags:
// private
while(node.firstChild){
node.removeChild(node.firstChild);
}
node.appendChild(dojo.doc.createTextNode(text));
},
_populateGrid: function(){
// summary:
// Fills in the calendar grid with each day (1-31)
// tags:
// private
var month = new this.dateClassObj(this.currentFocus);
month.setDate(1);
var firstDay = month.getDay(),
daysInMonth = this.dateFuncObj.getDaysInMonth(month),
daysInPreviousMonth = this.dateFuncObj.getDaysInMonth(this.dateFuncObj.add(month, "month", -1)),
today = new this.dateClassObj(),
dayOffset = dojo.cldr.supplemental.getFirstDayOfWeek(this.lang);
if(dayOffset > firstDay){ dayOffset -= 7; }
// Iterate through dates in the calendar and fill in date numbers and style info
dojo.query(".dijitCalendarDateTemplate", this.domNode).forEach(function(template, i){
i += dayOffset;
var date = new this.dateClassObj(month),
number, clazz = "dijitCalendar", adj = 0;
if(i < firstDay){
number = daysInPreviousMonth - firstDay + i + 1;
adj = -1;
clazz += "Previous";
}else if(i >= (firstDay + daysInMonth)){
number = i - firstDay - daysInMonth + 1;
adj = 1;
clazz += "Next";
}else{
number = i - firstDay + 1;
clazz += "Current";
}
if(adj){
date = this.dateFuncObj.add(date, "month", adj);
}
date.setDate(number);
if(!this.dateFuncObj.compare(date, today, "date")){
clazz = "dijitCalendarCurrentDate " + clazz;
}
if(this._isSelectedDate(date, this.lang)){
clazz = "dijitCalendarSelectedDate " + clazz;
}
if(this.isDisabledDate(date, this.lang)){
clazz = "dijitCalendarDisabledDate " + clazz;
}
var clazz2 = this.getClassForDate(date, this.lang);
if(clazz2){
clazz = clazz2 + " " + clazz;
}
template.className = clazz + "Month dijitCalendarDateTemplate";
template.dijitDateValue = date.valueOf(); // original code
dojo.attr(template, "dijitDateValue", date.valueOf()); // so I can dojo.query() it
var label = dojo.query(".dijitCalendarDateLabel", template)[0],
text = date.getDateLocalized ? date.getDateLocalized(this.lang) : date.getDate();
this._setText(label, text);
}, this);
// Repopulate month drop down list based on current year.
// Need to do this to hide leap months in Hebrew calendar.
var monthNames = this.dateLocaleModule.getNames('months', 'wide', 'standAlone', this.lang, month);
this.monthDropDownButton.dropDown.set("months", monthNames);
// Set name of current month and also fill in spacer element with all the month names
// (invisible) so that the maximum width will affect layout. But not on IE6 because then
// the center <TH> overlaps the right <TH> (due to a browser bug).
this.monthDropDownButton.containerNode.innerHTML =
(dojo.isIE == 6 ? "" : "<div class='dijitSpacer'>" + this.monthDropDownButton.dropDown.domNode.innerHTML + "</div>") +
"<div class='dijitCalendarMonthLabel dijitCalendarCurrentMonthLabel'>" + monthNames[month.getMonth()] + "</div>";
// Fill in localized prev/current/next years
var y = month.getFullYear() - 1;
var d = new this.dateClassObj();
dojo.forEach(["previous", "current", "next"], function(name){
d.setFullYear(y++);
this._setText(this[name+"YearLabelNode"],
this.dateLocaleModule.format(d, {selector:'year', locale:this.lang}));
}, this);
},
goToToday: function(){
// summary:
// Sets calendar's value to today's date
this.set('value', new this.dateClassObj());
},
constructor: function(/*Object*/args){
var dateClass = (args.datePackage && (args.datePackage != "dojo.date"))? args.datePackage + ".Date" : "Date";
this.dateClassObj = dojo.getObject(dateClass, false);
this.datePackage = args.datePackage || this.datePackage;
this.dateFuncObj = dojo.getObject(this.datePackage, false);
this.dateLocaleModule = dojo.getObject(this.datePackage + ".locale", false);
},
postMixInProperties: function(){
// Parser.instantiate sometimes passes in NaN for IE. Use default value in prototype instead.
// TODO: remove this for 2.0 (thanks to #11511)
if(isNaN(this.value)){ delete this.value; }
this.inherited(arguments);
},
buildRendering: function(){
this.inherited(arguments);
dojo.setSelectable(this.domNode, false);
var cloneClass = dojo.hitch(this, function(clazz, n){
var template = dojo.query(clazz, this.domNode)[0];
for(var i=0; i<n; i++){
template.parentNode.appendChild(template.cloneNode(true));
}
});
// clone the day label and calendar day templates 6 times to make 7 columns
cloneClass(".dijitCalendarDayLabelTemplate", 6);
cloneClass(".dijitCalendarDateTemplate", 6);
// now make 6 week rows
cloneClass(".dijitCalendarWeekTemplate", 5);
// insert localized day names in the header
var dayNames = this.dateLocaleModule.getNames('days', this.dayWidth, 'standAlone', this.lang);
var dayOffset = dojo.cldr.supplemental.getFirstDayOfWeek(this.lang);
dojo.query(".dijitCalendarDayLabel", this.domNode).forEach(function(label, i){
this._setText(label, dayNames[(i + dayOffset) % 7]);
}, this);
var dateObj = new this.dateClassObj(this.currentFocus);
this.monthDropDownButton.dropDown = new dijit.Calendar._MonthDropDown({
id: this.id + "_mdd",
onChange: dojo.hitch(this, "_onMonthSelect")
});
this.set('currentFocus', dateObj, false); // draw the grid to the month specified by currentFocus
// Set up repeating mouse behavior for increment/decrement of months/years
var _this = this;
var typematic = function(nodeProp, dateProp, adj){
_this._connects.push(
dijit.typematic.addMouseListener(_this[nodeProp], _this, function(count){
if(count >= 0){ _this._adjustDisplay(dateProp, adj); }
}, 0.8, 500)
);
};
typematic("incrementMonth", "month", 1);
typematic("decrementMonth", "month", -1);
typematic("nextYearLabelNode", "year", 1);
typematic("previousYearLabelNode", "year", -1);
},
_adjustDisplay: function(/*String*/ part, /*int*/ amount){
// summary:
// Moves calendar forwards or backwards by months or years
// part:
// "month" or "year"
// amount:
// Number of months or years
// tags:
// private
this._setCurrentFocusAttr(this.dateFuncObj.add(this.currentFocus, part, amount));
},
_setCurrentFocusAttr: function(/*Date*/ date, /*Boolean*/ forceFocus){
// summary:
// If the calendar currently has focus, then focuses specified date,
// changing the currently displayed month/year if necessary.
// If the calendar doesn't have focus, updates currently
// displayed month/year, and sets the cell that will get focus.
// forceFocus:
// If true, will focus() the cell even if calendar itself doesn't have focus
var oldFocus = this.currentFocus,
oldCell = oldFocus ? dojo.query("[dijitDateValue=" + oldFocus.valueOf() + "]", this.domNode)[0] : null;
// round specified value to nearest day (1am to avoid issues when DST shift occurs at midnight, see #8521, #9366)
date = new this.dateClassObj(date);
date.setHours(1, 0, 0, 0);
this._set("currentFocus", date);
// TODO: only re-populate grid when month/year has changed
this._populateGrid();
// set tabIndex=0 on new cell, and focus it (but only if Calendar itself is focused)
var newCell = dojo.query("[dijitDateValue=" + date.valueOf() + "]", this.domNode)[0];
newCell.setAttribute("tabIndex", this.tabIndex);
if(this._focused || forceFocus){
newCell.focus();
}
// set tabIndex=-1 on old focusable cell
if(oldCell && oldCell != newCell){
if(dojo.isWebKit){ // see #11064 about webkit bug
oldCell.setAttribute("tabIndex", "-1");
}else{
oldCell.removeAttribute("tabIndex");
}
}
},
focus: function(){
// summary:
// Focus the calendar by focusing one of the calendar cells
this._setCurrentFocusAttr(this.currentFocus, true);
},
_onMonthSelect: function(/*Number*/ newMonth){
// summary:
// Handler for when user selects a month from the drop down list
// tags:
// protected
// move to selected month, bounding by the number of days in the month
// (ex: dec 31 --> jan 28, not jan 31)
this.currentFocus = this.dateFuncObj.add(this.currentFocus, "month",
newMonth - this.currentFocus.getMonth());
this._populateGrid();
},
_onDayClick: function(/*Event*/ evt){
// summary:
// Handler for day clicks, selects the date if appropriate
// tags:
// protected
dojo.stopEvent(evt);
for(var node = evt.target; node && !node.dijitDateValue; node = node.parentNode);
if(node && !dojo.hasClass(node, "dijitCalendarDisabledDate")){
this.set('value', node.dijitDateValue);
}
},
_onDayMouseOver: function(/*Event*/ evt){
// summary:
// Handler for mouse over events on days, sets hovered style
// tags:
// protected
// event can occur on <td> or the <span> inside the td,
// set node to the <td>.
var node =
dojo.hasClass(evt.target, "dijitCalendarDateLabel") ?
evt.target.parentNode :
evt.target;
if(node && (node.dijitDateValue || node == this.previousYearLabelNode || node == this.nextYearLabelNode) ){
dojo.addClass(node, "dijitCalendarHoveredDate");
this._currentNode = node;
}
},
_onDayMouseOut: function(/*Event*/ evt){
// summary:
// Handler for mouse out events on days, clears hovered style
// tags:
// protected
if(!this._currentNode){ return; }
// if mouse out occurs moving from <td> to <span> inside <td>, ignore it
if(evt.relatedTarget && evt.relatedTarget.parentNode == this._currentNode){ return; }
var cls = "dijitCalendarHoveredDate";
if(dojo.hasClass(this._currentNode, "dijitCalendarActiveDate")) {
cls += " dijitCalendarActiveDate";
}
dojo.removeClass(this._currentNode, cls);
this._currentNode = null;
},
_onDayMouseDown: function(/*Event*/ evt){
var node = evt.target.parentNode;
if(node && node.dijitDateValue){
dojo.addClass(node, "dijitCalendarActiveDate");
this._currentNode = node;
}
},
_onDayMouseUp: function(/*Event*/ evt){
var node = evt.target.parentNode;
if(node && node.dijitDateValue){
dojo.removeClass(node, "dijitCalendarActiveDate");
}
},
//TODO: use typematic
handleKey: function(/*Event*/ evt){
// summary:
// Provides keyboard navigation of calendar.
// description:
// Called from _onKeyPress() to handle keypress on a stand alone Calendar,
// and also from `dijit.form._DateTimeTextBox` to pass a keypress event
// from the `dijit.form.DateTextBox` to be handled in this widget
// returns:
// False if the key was recognized as a navigation key,
// to indicate that the event was handled by Calendar and shouldn't be propogated
// tags:
// protected
var dk = dojo.keys,
increment = -1,
interval,
newValue = this.currentFocus;
switch(evt.keyCode){
case dk.RIGHT_ARROW:
increment = 1;
//fallthrough...
case dk.LEFT_ARROW:
interval = "day";
if(!this.isLeftToRight()){ increment *= -1; }
break;
case dk.DOWN_ARROW:
increment = 1;
//fallthrough...
case dk.UP_ARROW:
interval = "week";
break;
case dk.PAGE_DOWN:
increment = 1;
//fallthrough...
case dk.PAGE_UP:
interval = evt.ctrlKey || evt.altKey ? "year" : "month";
break;
case dk.END:
// go to the next month
newValue = this.dateFuncObj.add(newValue, "month", 1);
// subtract a day from the result when we're done
interval = "day";
//fallthrough...
case dk.HOME:
newValue = new this.dateClassObj(newValue);
newValue.setDate(1);
break;
case dk.ENTER:
case dk.SPACE:
this.set("value", this.currentFocus);
break;
default:
return true;
}
if(interval){
newValue = this.dateFuncObj.add(newValue, interval, increment);
}
this._setCurrentFocusAttr(newValue);
return false;
},
_onKeyPress: function(/*Event*/ evt){
// summary:
// For handling keypress events on a stand alone calendar
if(!this.handleKey(evt)){
dojo.stopEvent(evt);
}
},
onValueSelected: function(/*Date*/ date){
// summary:
// Notification that a date cell was selected. It may be the same as the previous value.
// description:
// Formerly used by `dijit.form._DateTimeTextBox` (and thus `dijit.form.DateTextBox`)
// to get notification when the user has clicked a date. Now onExecute() (above) is used.
// tags:
// protected
},
onChange: function(/*Date*/ date){
// summary:
// Called only when the selected date has changed
},
_isSelectedDate: function(/*Date*/ dateObject, /*String?*/ locale){
// summary:
// Extension point so developers can subclass Calendar to
// support multiple (concurrently) selected dates
// tags:
// protected extension
return this._isValidDate(this.value) && !this.dateFuncObj.compare(dateObject, this.value, "date")
},
isDisabledDate: function(/*Date*/ dateObject, /*String?*/ locale){
// summary:
// May be overridden to disable certain dates in the calendar e.g. `isDisabledDate=dojo.date.locale.isWeekend`
// tags:
// extension
/*=====
return false; // Boolean
=====*/
},
getClassForDate: function(/*Date*/ dateObject, /*String?*/ locale){
// summary:
// May be overridden to return CSS classes to associate with the date entry for the given dateObject,
// for example to indicate a holiday in specified locale.
// tags:
// extension
/*=====
return ""; // String
=====*/
}
}
);
dojo.declare("dijit.Calendar._MonthDropDown", [dijit._Widget, dijit._Templated], {
// summary:
// The month drop down
// months: String[]
// List of names of months, possibly w/some undefined entries for Hebrew leap months
// (ex: ["January", "February", undefined, "April", ...])
months: [],
templateString: "<div class='dijitCalendarMonthMenu dijitMenu' " +
"dojoAttachEvent='onclick:_onClick,onmouseover:_onMenuHover,onmouseout:_onMenuHover'></div>",
_setMonthsAttr: function(/*String[]*/ months){
this.domNode.innerHTML = dojo.map(months, function(month, idx){
return month ? "<div class='dijitCalendarMonthLabel' month='" + idx +"'>" + month + "</div>" : "";
}).join("");
},
_onClick: function(/*Event*/ evt){
this.onChange(dojo.attr(evt.target, "month"));
},
onChange: function(/*Number*/ month){
// summary:
// Callback when month is selected from drop down
},
_onMenuHover: function(evt){
dojo.toggleClass(evt.target, "dijitCalendarMonthLabelHover", evt.type == "mouseover");
}
});
}