Dan Buch
15 years ago
parent
0c5ccef815
commit
d956f7dd15
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<?xml version="1.0" encoding="utf-8"?>
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<custom:ComboBoxCodeBehind
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xmlns:mx="http://www.adobe.com/2006/mxml"
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xmlns:custom="as_components.*">
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<mx:ComboBox id="monthsCB" dataProvider="{months}" selectedIndex="{selectedIndexMonth}"/>
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<mx:ComboBox id="daysCB" dataProvider="{days}" selectedIndex="{selectedIndexDay}"/>
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<mx:ComboBox id="yearsCB" dataProvider="{years}" selectedIndex="{selectedIndexYear}" />
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</custom:ComboBoxCodeBehind>
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<?xml version="1.0" encoding="utf-8"?>
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<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
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layout="vertical"
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backgroundColor="#FFFFFF"
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backgroundAlpha="0"
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xmlns:local="*">
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<mx:VBox>
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<local:CodeBehindDisplay />
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</mx:VBox>
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</mx:Application>
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@ -0,0 +1,105 @@
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package as_components
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{
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import mx.containers.HBox;
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import mx.controls.ComboBox;
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import mx.events.FlexEvent;
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import mx.events.ListEvent;
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import mx.formatters.DateFormatter;
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[Bindable]
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public class ComboBoxCodeBehind extends HBox
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{
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public var months:Array = new Array();
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public var dateformatter:DateFormatter = new DateFormatter();
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public var selectedIndex:int;
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public var days:Array;
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public var years:Array = new Array();
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public var monthsCB:ComboBox;
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public var daysCB:ComboBox;
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public var yearsCB:ComboBox;
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public var selectedIndexYear:int;
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public var selectedIndexMonth:int;
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public var selectedIndexDay:int;
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public var thisYear:int;
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public function ComboBoxCodeBehind()
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{
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super();
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init();
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this.addEventListener(FlexEvent.CREATION_COMPLETE, creationCompleteHandler);
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}
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private function init():void{
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var i:int;
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var now:Date = new Date();
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var currentMonth:int = now.getMonth();
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var currentYear:int = now.getFullYear();
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var currentDay:int = now.getDate();
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thisYear = currentYear;
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dateformatter.formatString = "MMMM";
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for (i=0; i<12; i++){
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now.setMonth(i);
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months[i] = dateformatter.format(now);
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}
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setYears(currentYear);
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setDays(currentMonth);
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selectedIndexMonth = currentMonth;
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selectedIndexYear = years.indexOf(currentYear);
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selectedIndexDay = days.indexOf(currentDay);
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}
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private function creationCompleteHandler(event:FlexEvent):void{
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monthsCB.addEventListener(ListEvent.CHANGE,monthsHandler);
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yearsCB.addEventListener(ListEvent.CHANGE, yearsHandler);
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}
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private function setDays(month:int):void{
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days = new Array();
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var i:int;
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if (month == 0 || month == 2 || month == 4 || month == 6 || month == 7 || month == 9 || month == 11){
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for(i=1; i<=31; i++)
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days.push(i);
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}else if (month == 3 || month == 5 || month == 8 || month == 10){
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for(i=1; i<=30; i++)
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days.push(i);
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}else if (month == 1){
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if (thisYear % 4 == 0){
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for(i=1; i<=29; i++)
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days.push(i);
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}else{
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for(i=1; i<=28; i++)
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days.push(i);
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}
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}
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}
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private function setYears(year:int):void{
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var j:int;
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for(j=1950; j<=year; j++){
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years.push(j);
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}
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}
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private function monthsHandler(event:ListEvent):void{
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setDays(event.currentTarget.selectedIndex);
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selectedIndexDay = 0;
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}
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private function yearsHandler(event:ListEvent):void{
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if (monthsCB.selectedIndex == 1){
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var selectedDay:int = daysCB.selectedIndex;
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thisYear = event.currentTarget.selectedItem as int;
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setDays(monthsCB.selectedIndex);
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selectedIndexDay = selectedDay;
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}
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}
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}
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}
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