Added to the FlexCoders FAQ.
Tracy Spratt wrote: >Since this gets asked very often, I have created a full sample, listing >below, that uses three different ways to pass data into a title window. > >It uses the initobj to pass in several built-in properties plus two user >defined properties. > >One is a simple string, the other is a reference to the main application >that can be used for binding. Note the variable that holds the >application reference is typed to the name of the application. this is >critical for binding to work correctly. > >It also uses the reference to the created pop-up to set a variable in >the title window from the main app. >Tracy > > >***TitleWindowData.mxml*** ><?xml version="1.0" encoding="utf-8"?> ><mx:TitleWindow xmlns:mx="http://www.macromedia.com/2003/mxml"; > closeButton="true" > click="this.deletePopUp();" > creationComplete="initComponent()"> ><mx:Script><![CDATA[ > public var mainApp:TitleWindowDataTest = null; //will be >populated by passed in initobj > public var gsMyString:String; >//will be populated by passed in object > public var gnMyNumber:Number; >//will be populated by reference in main app > > private function initComponent():Void > { > lblCalc.text = (9 * gnMyNumber); > } >]]></mx:Script> > <mx:HBox > > <mx:Label text="{gsMyString}" width="150" /> > <mx:Label text="Bound to local variable populated by >initobj argument" /> > </mx:HBox> > <mx:HBox > > <mx:Label id="lblMyNumber" text="{gnMyNumber}" >width="150"/> > <mx:Label text="Bound to local variable populated by >reference in main app" /> > </mx:HBox> > <mx:HBox > > <mx:Label text="{mainApp.gsBindMe}" width="150"/> > <mx:Label text="Bound to main app variable via passed in >reference" /> > </mx:HBox> > <mx:HBox > > <mx:Label id="lblCalc" width="150"/> > <mx:Label text="Calculated value set by initialize event >handler" /> > </mx:HBox> ></mx:TitleWindow> > >***TitleWindowDataTest.mxml*** ><?xml version="1.0" encoding="utf-8"?> ><mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml"; >horizontalAlign="left"> ><mx:Script><![CDATA[ > public var gsBindMe:String = "Change me!" ; >// > import mx.containers.TitleWindow; > import mx.managers.PopUpManager; > private function showTitleWindow():Void > { > var oInitObj:Object = new Object(); > oInitObj.title = "Title Window Data"; //built-in >property > oInitObj.width = 600; >//built-in property > oInitObj.height = 200; >//built-in property > oInitObj.mainApp = this; >//user-added property. reference to main app > oInitObj.gsMyString = tiMyString.text; //user-added >property. will contain value of text input > var titleWindowInstance:Object = > >TitleWindow(PopUpManager.createPopUp(this, > >TitleWindowData, > >false, > >oInitObj, > >false)); //instantiate and show >the title window > > titleWindowInstance.centerPopUp(this) > titleWindowInstance.gnMyNumber = >parseFloat(tiMyNumber.text); //titleWindowInstance must be >Object to use this > } >]]></mx:Script> > <mx:HBox > > <mx:Label text="MyString:" width="100" /> > <mx:TextInput id="tiMyString" text="my string" /> > </mx:HBox> > <mx:HBox > > <mx:Label text="MyNumber:" width="100"/> > <mx:TextInput id="tiMyNumber" text="99"/> > </mx:HBox> > <mx:HBox > > <mx:Label text="Bind Me" width="100"/> > <mx:TextInput id="tiBindMe" text="{gsBindMe}" > change="gsBindMe = tiBindMe.text"/> > </mx:HBox> > <mx:Button label="ShowTitleWindow{newline}Non-Modal" >click="showTitleWindow()"/> ></mx:Application> > > > >-----Original Message----- >From: [email protected] [mailto:[EMAIL PROTECTED] On >Behalf Of Francesco >Sent: Thursday, June 02, 2005 11:10 AM >To: Flexcoders >Subject: [flexcoders] Passing parameter from panel to popupwindow > >Hi, > >I've a question about passing parameter. > >The problem: > >I have a panel with a button. (popupwindowdemo.mxml) >When I press the button a popup window will be opened >(the definition of the window stay in another file logonwindowdemo.mxml) > >My question is: > >How can I pass a parameter (String) from the panel to the popup windows >(pressing the button) ? > >In my case I'd like that the field "userid" will be automatically >completed... > > > >Thanks >Francesco > > > > > > > >Here is the code (from explorer) > >/****************************/ >popupwindowdemo.mxml >/****************************/ > ><?xml version="1.0" encoding="utf-8"?> > ><mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml";> > > <mx:Script> > > function showWindow(modal) { > var popup = mx.managers.PopUpManager.createPopUp(_root, >LogonWindow, modal, {deferred: true}); > } > > </mx:Script> > > <mx:Button label="Show Window" click="showWindow(false)" >width="150"/> > <mx:Button label="Show Modal Window" click="showWindow(true)" >width="150"/> > ></mx:Application> > > >/*****************************/ >logonwindowdemo.mxml >/*****************************/ > ><?xml version="1.0" encoding="utf-8"?> > ><mx:TitleWindow xmlns:mx="http://www.macromedia.com/2003/mxml"; >title="Logon"> > > <mx:Form> > > <mx:FormItem label="UserId" required="true"> > <mx:TextInput id="userId" width="150"/> > </mx:FormItem> > > <mx:FormItem label="Password" required="true"> > <mx:TextInput id="password" width="150"/> > </mx:FormItem> > > <mx:FormItem> > <mx:HBox horizontalGap="30"> > <mx:Button label="Logon"/> > <mx:Button label="Cancel" click="this.deletePopUp()"/> > </mx:HBox> > </mx:FormItem> > > </mx:Form> > ></mx:TitleWindow> > > > > > >Yahoo! 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