345 lines
12 KiB
JavaScript
345 lines
12 KiB
JavaScript
YAHOO.ext.DatePicker = function(id, parentElement){
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this.id = id;
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this.selectedDate = new Date();
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this.visibleDate = new Date();
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this.element = null;
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this.shadow = null;
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this.callback = null;
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this.buildControl(parentElement || document.body);
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this.mouseDownHandler = YAHOO.ext.EventManager.wrap(this.handleMouseDown, this, true);
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this.keyDownHandler = YAHOO.ext.EventManager.wrap(this.handleKeyDown, this, true);
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this.wheelHandler = YAHOO.ext.EventManager.wrap(this.handleMouseWheel, this, true);
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};
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YAHOO.ext.DatePicker.prototype = {
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show : function(x, y, value, callback){
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this.hide();
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this.selectedDate = value;
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this.visibleDate = value;
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this.callback = callback;
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this.refresh();
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this.element.show();
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this.element.setXY(this.constrainToViewport ? this.constrainXY(x, y) : [x, y]);
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this.shadow.show();
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this.shadow.setRegion(this.element.getRegion());
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this.element.dom.tabIndex = 1;
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this.element.focus();
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YAHOO.util.Event.on(document, "mousedown", this.mouseDownHandler);
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YAHOO.util.Event.on(document, "keydown", this.keyDownHandler);
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YAHOO.util.Event.on(document, "mousewheel", this.wheelHandler);
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YAHOO.util.Event.on(document, "DOMMouseScroll", this.wheelHandler);
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},
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constrainXY : function(x, y){
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var w = YAHOO.util.Dom.getViewportWidth();
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var h = YAHOO.util.Dom.getViewportHeight();
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var size = this.element.getSize();
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return [
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Math.min(w-size.width, x),
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Math.min(h-size.height, y)
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];
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},
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hide : function(){
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this.shadow.hide();
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this.element.hide();
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YAHOO.util.Event.removeListener(document, "mousedown", this.mouseDownHandler);
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YAHOO.util.Event.removeListener(document, "keydown", this.keyDownHandler);
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YAHOO.util.Event.removeListener(document, "mousewheel", this.wheelHandler);
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YAHOO.util.Event.removeListener(document, "DOMMouseScroll", this.wheelHandler);
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},
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setSelectedDate : function(date){
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this.selectedDate = date;
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},
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getSelectedDate : function(){
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return this.selectedDate;
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},
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showPrevMonth : function(){
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this.visibleDate = this.getPrevMonth(this.visibleDate);
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this.refresh();
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},
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showNextMonth : function(){
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this.visibleDate = this.getNextMonth(this.visibleDate);
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this.refresh();
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},
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showPrevYear : function(){
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var d = this.visibleDate;
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this.visibleDate = new Date(d.getFullYear()-1, d.getMonth(), d.getDate());
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this.refresh();
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},
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showNextYear : function(){
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var d = this.visibleDate;
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this.visibleDate = new Date(d.getFullYear()+1, d.getMonth(), d.getDate());
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this.refresh();
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},
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handleMouseDown : function(e){
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var target = e.getTarget();
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if(target != this.element.dom && !YAHOO.util.Dom.isAncestor(this.element.dom, target)){
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this.hide();
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}
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},
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handleKeyDown : function(e){
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switch(e.browserEvent.keyCode){
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case e.LEFT:
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this.showPrevMonth();
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e.stopEvent();
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break;
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case e.RIGHT:
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this.showNextMonth();
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e.stopEvent();
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break;
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case e.DOWN:
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this.showPrevYear();
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e.stopEvent();
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break;
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case e.UP:
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this.showNextYear();
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e.stopEvent();
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break;
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}
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},
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handleMouseWheel : function(e){
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var delta = e.getWheelDelta();
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if(delta > 0){
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this.showPrevMonth();
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e.stopEvent();
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} else if(delta < 0){
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this.showNextMonth();
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e.stopEvent();
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}
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},
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handleClick : function(e){
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var d = this.visibleDate;
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var t = e.getTarget();
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if(t && t.className){
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var cls = t.className.split(' ')[0];
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switch(cls){
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case 'active':
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this.handleSelection(new Date(d.getFullYear(), d.getMonth(), parseInt(t.innerHTML)));
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break;
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case 'prevday':
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var p = this.getPrevMonth(d);
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this.handleSelection(new Date(p.getFullYear(), p.getMonth(), parseInt(t.innerHTML)));
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break;
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case 'nextday':
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var n = this.getNextMonth(d);
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this.handleSelection(new Date(n.getFullYear(), n.getMonth(), parseInt(t.innerHTML)));
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break;
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case 'ypopcal-today':
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this.handleSelection(new Date());
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break;
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case 'next-month':
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this.showNextMonth();
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break;
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case 'prev-month':
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this.showPrevMonth();
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break;
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}
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}
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e.stopEvent();
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},
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selectToday : function(){
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this.handleSelection(new Date());
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},
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handleSelection: function(date){
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this.selectedDate = date;
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this.callback(date);
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this.hide();
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},
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getPrevMonth : function(d){
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var m = d.getMonth();var y = d.getFullYear();
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return (m == 0 ? new Date(--y, 11, 1) : new Date(y, --m, 1));
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},
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getNextMonth : function(d){
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var m = d.getMonth();var y = d.getFullYear();
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return (m == 11 ? new Date(++y, 0, 1) : new Date(y, ++m, 1));
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},
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getDaysInMonth : function(m, y){
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return (m == 1 || m == 3 || m == 5 || m == 7 || m == 8 || m == 10 || m == 12) ? 31 : (m == 4 || m == 6 || m == 9 || m == 11) ? 30 : this.isLeapYear(y) ? 29 : 28;
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},
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isLeapYear : function(y){
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return (((y % 4) == 0) && ((y % 100) != 0) || ((y % 400) == 0));
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},
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clearTime : function(date){
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if(date){
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date.setHours(0);
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date.setMinutes(0);
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date.setSeconds(0);
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date.setMilliseconds(0);
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}
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return date;
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},
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refresh : function(){
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var d = this.visibleDate;
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this.buildInnerCal(d);
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this.calHead.update(this.monthNames[d.getMonth()] + ' ' + d.getFullYear());
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if(this.element.isVisible()){
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this.shadow.setRegion(this.element.getRegion());
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}
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}
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};
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/**
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* This code is not pretty, but it is fast!
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* @ignore
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*/
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YAHOO.ext.DatePicker.prototype.buildControl = function(parentElement){
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var c = document.createElement('div');
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c.style.position = 'absolute';
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c.style.visibility = 'hidden';
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document.body.appendChild(c);
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var html = '<iframe id="'+this.id+'_shdw" frameborder="0" class="ypopcal-shadow" src="'+YAHOO.ext.SSL_SECURE_URL+'"></iframe>' +
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'<div hidefocus="true" class="ypopcal" id="'+this.id+'">' +
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'<table class="ypopcal-head" border=0 cellpadding=0 cellspacing=0><tbody><tr><td class="ypopcal-arrow"><div class="prev-month"> </div></td><td class="ypopcal-month"> </td><td class="ypopcal-arrow"><div class="next-month"> </div></td></tr></tbody></table>' +
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'<center><div class="ypopcal-inner">';
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html += "<table border=0 cellspacing=0 class=\"ypopcal-table\"><thead><tr class=\"ypopcal-daynames\">";
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var names = this.dayNames;
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for(var i = 0; i < names.length; i++){
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html += '<td>' + names[i].substr(0, 1) + '</td>';
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}
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html+= "</tr></thead><tbody><tr>";
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for(var i = 0; i < 42; i++) {
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if(i % 7 == 0 && i != 0){
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html += '</tr><tr>';
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}
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html += "<td> </td>";
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}
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html += "</tr></tbody></table>";
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html += '</div><button class="ypopcal-today">'+this.todayText+'</button></center></div>';
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c.innerHTML = html;
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this.shadow = getEl(c.childNodes[0], true);
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this.shadow.enableDisplayMode('block');
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this.element = getEl(c.childNodes[1], true);
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this.element.enableDisplayMode('block');
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document.body.appendChild(this.shadow.dom);
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document.body.appendChild(this.element.dom);
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document.body.removeChild(c);
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this.element.on("selectstart", function(){return false;});
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var tbody = this.element.dom.getElementsByTagName('tbody')[1];
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this.cells = tbody.getElementsByTagName('td');
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this.calHead = this.element.getChildrenByClassName('ypopcal-month', 'td')[0];
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this.element.mon('mousedown', this.handleClick, this, true);
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};
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YAHOO.ext.DatePicker.prototype.buildInnerCal = function(dateVal){
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var days = this.getDaysInMonth(dateVal.getMonth() + 1, dateVal.getFullYear());
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var firstOfMonth = new Date(dateVal.getFullYear(), dateVal.getMonth(), 1);
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var startingPos = firstOfMonth.getDay();
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if(startingPos == 0) startingPos = 7;
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var pm = this.getPrevMonth(dateVal);
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var prevStart = this.getDaysInMonth(pm.getMonth()+1, pm.getFullYear())-startingPos;
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var cells = this.cells;
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days += startingPos;
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// convert everything to numbers so it's fast
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var day = 86400000;
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var date = this.clearTime(new Date(pm.getFullYear(), pm.getMonth(), prevStart));
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var today = this.clearTime(new Date()).getTime();
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var sel = this.selectedDate ? this.clearTime(this.selectedDate).getTime() : today + 1; //today +1 will never match anything
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var min = this.minDate ? this.clearTime(this.minDate).getTime() : Number.NEGATIVE_INFINITY;
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var max = this.maxDate ? this.clearTime(this.maxDate).getTime() : Number.POSITIVE_INFINITY;
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var ddMatch = this.disabledDatesRE;
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var ddText = this.disabledDatesText;
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var ddays = this.disabledDays;
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var ddaysText = this.disabledDaysText;
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var format = this.format;
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var setCellClass = function(cal, cell, d){
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cell.title = '';
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var t = d.getTime();
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if(t == today){
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cell.className += ' today';
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cell.title = cal.todayText;
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}
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if(t == sel){
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cell.className += ' selected';
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}
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// disabling
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if(t < min) {
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cell.className = ' ypopcal-disabled';
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cell.title = cal.minText;
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return;
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}
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if(t > max) {
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cell.className = ' ypopcal-disabled';
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cell.title = cal.maxText;
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return;
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}
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if(ddays){
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var day = d.getDay();
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for(var i = 0; i < ddays.length; i++) {
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if(day === ddays[i]){
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cell.title = ddaysText;
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cell.className = ' ypopcal-disabled';
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return;
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}
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}
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}
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if(ddMatch && format){
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var fvalue = d.format(format);
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if(ddMatch.test(fvalue)){
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cell.title = ddText.replace('%0', fvalue);
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cell.className = ' ypopcal-disabled';
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return;
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}
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}
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};
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var i = 0;
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for(; i < startingPos; i++) {
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cells[i].innerHTML = (++prevStart);
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date.setDate(date.getDate()+1);
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cells[i].className = 'prevday';
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setCellClass(this, cells[i], date);
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}
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for(; i < days; i++){
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intDay = i - startingPos + 1;
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cells[i].innerHTML = (intDay);
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date.setDate(date.getDate()+1);
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cells[i].className = 'active';
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setCellClass(this, cells[i], date);
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}
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var extraDays = 0;
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for(; i < 42; i++) {
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cells[i].innerHTML = (++extraDays);
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date.setDate(date.getDate()+1);
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cells[i].className = 'nextday';
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setCellClass(this, cells[i], date);
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}
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};
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YAHOO.ext.DatePicker.prototype.todayText = "Today";
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YAHOO.ext.DatePicker.prototype.minDate = null;
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YAHOO.ext.DatePicker.prototype.maxDate = null;
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YAHOO.ext.DatePicker.prototype.minText = "This date is before the minimum date";
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YAHOO.ext.DatePicker.prototype.maxText = "This date is after the maximum date";
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YAHOO.ext.DatePicker.prototype.format = 'm/d/y';
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YAHOO.ext.DatePicker.prototype.disabledDays = null;
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YAHOO.ext.DatePicker.prototype.disabledDaysText = '';
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YAHOO.ext.DatePicker.prototype.disabledDatesRE = null;
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YAHOO.ext.DatePicker.prototype.disabledDatesText = '';
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YAHOO.ext.DatePicker.prototype.constrainToViewport = true;
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YAHOO.ext.DatePicker.prototype.monthNames = Date.monthNames;
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YAHOO.ext.DatePicker.prototype.dayNames = Date.dayNames;
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