data from DataGrid in a textfield

Similar Questions

• pass data from childCardDone to a textfield in QML?

  I have a card camera call function that responds with the path of the image once a picture is registered using the childCardDone function.  I have no idea how to pass data from c ++ to qml.  I know that during the passage of the QML for C++ database, you set a QString & something.  How can I do the reverse?

  Here's my CPP code:

  void App::childCardDone(const bb::system::CardDoneMessage &message)
  {
      if (message.reason() == "done")
  
  //      Need the message.data() info in my QML
       message.data();
  
      qDebug() << message.reason() << "\n";
      qDebug() << message.dataType() << "\n";
      qDebug() << message.data() << "\n";
  }
  
          public slots:
          void childCardDone(const bb::system::CardDoneMessage &message);
  

  and I just want to get the value of message.data () into a textfield label in QML:

  Label{
  id: capturedFilePath
  text: <>
  }
  

  All help is appreciated and will be loved and accepted as a solution if it works.

  Thanks in advance.

  For use in your function you will need to decalre in the header.

  In the header to declare,

  AbstractPane * root;

  Then, change

  AbstractPane * root = qml->() createRootObject;

  TO

  root = qml-> createRootObject();

• update of data from DataGrid

  Hello!
  I am new to flex and you have a problem with datagrid.
  I use httpservice to get data. At some point, I do new data request to check for changes. How can I compare the old and new data and update the datagrid control only if there are differences? I want this, because by every update datagrid loses its position scrolling and selection.
  

  HII,

  You can compare two object using ObjectUtil.compare(object1,object2).which returns 0 if your objects are the same, or return-1 if they are not same.
  You can spend your previous object and the current object in the function Compare and you can check.
  I just sample application that compares two objects:
  
  http://www.Adobe.com/2006/mxml"layout ="absolute"creationComplete =" init () ">"

  
  Import mx.controls.Alert;
  Import mx.utils.ObjectUtil;

  public var object1:Object;
  public var object2:Object;

  public void init (): void
  {
  Object1 = new Object();
  object2 = new Object();

  Object1. Name = "Sara";
  Object1.ID = '2 ';

  object2. Name = "Sara";
  object2.ID = '2 ';
  }

  public void compare (): void
  {
  var i: int = ObjectUtil.compare (object1, object2);
  Alert.Show(i+"");
  }
  ]]>
  
  
  

  I think we can help you.

  Thank you
  Megha Shah

• Getting data from DataGrid Contol

  I ' have not. of rows and columns in the DataGrid and I want to get the data in that field. How would I do that?

  SelectedItem gets you the line. Then refer to the column.

  So if you have a datagrid named dgBob which has columns FirstName, LastName, and address and want to get the name, use "dgBob.selectedItem.LastName".

  Al

• Extract data from database using php script and entry for datagrid.

  Hi all

  I intend to use the php script below to extract data from a database.

  I want to then display it in a datagrid control, the datagrid control has Ref columns job, the company and the position.

  The php script I have is

  <? PHP
  $hostname_conn = "localhost";
  $username_conn = "";
  $password_conn = "";
  
  $conn = mysql_connect ($hostname_conn, $username_conn, $password_conn);
  
  @mysql_select_db ("videochat");
  
  $query = "SELECT * FROM work."
  
  $result = mysql_query ($query);
  
  $row = mysql_fetch_array ($result);
  
  $ref = $row ["jobref"];
  $company = $row ['company'];
  $position = $row ["position"];
  
  echo "< Ref > $ref < / Ref >";
  echo "< company > $company < / company > ';
  echo "< location > $position < / location >."
  
  ? >
  

  Could someone show me how I chuck this data in a grid?

  Thank you

  Hello

  You should start using the authority, either zendamf which is used by the data wizards in flashbuilder 4 or with amfphp which is probably better than zend but has not all nicities such as the creation of objects of value.

  http://flashhub.NET/filter/

  This project uses amfphp, basically, it uses remoteobjects so returned php is in a ready to put directly into a grid or a datagroup arraycollection collection.

  If you need help with this sort of thing PM me and I can do a login session...

  the PHP services for calls used in the application

  <>

  class pets

  {

  var $db_host = "localhost";

  var $db_name = "flashhub_pets";

  var $db_user = "flashhub_david";

  var $db_pwd = "david";

  function pets()

  {

  Define the methodTable for this class in the constructor

  $this-> methodTable = array)

  "getPets"-online (table)

  'description' => 'Pets, database',

  'access' => 'remote '.

  )

  );

  }

  function getAllPets()

  {

  $mysql = mysql_connect ($this-> $this-> db_user, db_host), $this-> db_pwd;

  @mysql_select_db ($this-> db_name);

  $Query = "SELECT * from pet;

  $Result = mysql_query ($Query);

  return ($Result);

  }

  function getTypeOfPets ($category)

  {

  $mysql = mysql_connect ($this-> $this-> db_user, db_host), $this-> db_pwd;

  @mysql_select_db ($this-> db_name);

  $Query = "SELECT * from pet where CATEGORY = $category;

  $Result = mysql_query ($Query);

  return ($Result);

  }

  function getCategories()

  {

  $mysql = mysql_connect ($this-> $this-> db_user, db_host), $this-> db_pwd;

  @mysql_select_db ($this-> db_name);

  $Query = "SELECT * from category";

  $Result = mysql_query ($Query);

  return ($Result);

  }

  }

  ?>

  David

• How? extern XML in Datagrid updates dynamic textfield

  Hi, I hope someone can help me with that.

  I have a datagrid that is populated with xml extern.

  The number of items change from time to time.

  I have a date and a title in the DataGrid, but clicking on I want the text of the element (which is also available in the XML file) appear in the TextField.

  I saw examples of data from the datagrid to appear again in the textfield, but that is not what I want.

  Any help is greatly appreciated.

  Here is the code (datagrid working on the update of the TextField is not):

  --------------------

  Stop();

  import flash.events.Event;

  import flash.net.URLRequest;

  Import fl.data.DataProvider;

  var agendaXML:XML;

  var agendaXmlLoader: URLLoader = new URLLoader();

  agendaXmlLoader.addEventListener (Event.COMPLETE, agendaLoaded);

  agendaXmlLoader.load (new URLRequest ("http://dbmini.local/AZC/createXMLfromAZC.php"));

  function agendaLoaded(evt:Event):void

  {

  agendaXML = new XML (agendaXmlLoader.data);

  var componentProvider:DataProvider = new DataProvider();

  for (var i: uint = 0; i < agendaXML.verhaal.length (); i ++)

  {

  componentProvider.addItem ({Datum:agendaXML.verhaal [i] .datum, Kop:agendaXML.verhaal[i].kop});})

  agenda.addEventListener (Event.CHANGE, agendaItemKlik);

  function agendaItemKlik(event:Event):void

  {

  tekstVlak.text = event.target.selectedItem.agendaXML.verhaal [i] .tekst;

  }

  }

  agenda.dataProvider = componentProvider;

  }

  never nest named functions. Try:

  import flash.events.Event;

  import flash.net.URLRequest;

  Import fl.data.DataProvider;

  var agendaXML:XML;

  var agendaXmlLoader: URLLoader = new URLLoader();

  agendaXmlLoader.addEventListener (Event.COMPLETE, agendaLoaded);

  agendaXmlLoader.load (new URLRequest ("http://dbmini.local/AZC/createXMLfromAZC.php"));

  function agendaLoaded(evt:Event):void

  {

  agendaXML = new XML (agendaXmlLoader.data);

  var componentProvider:DataProvider = new DataProvider();

  for (var i: uint = 0; i< agendaxml.verhaal.length();="">

  {

  componentProvider.addItem ({Datum:agendaXML.verhaal [i] .datum, Kop:agendaXML.verhaal[i].kop});})

  }

  agenda.dataProvider = componentProvider;

  agenda.addEventListener (Event.CHANGE, agendaItemKlik);

  }

  function agendaItemKlik(event:Event):void

  {

  tekstVlak.text = agendaXML.verhaal [event.target.selectedIndex] .tekst;

  }

• Pulling data from the class on a MovieClip array

  I am trying to create this slideshow application that displays product information (Tennis rackets) issues of different categories. A great programmer advised me that OOP would be a way to go, however I'm having a difficulty with it.

  I created:

  A document class called CustomClass--> This class downloads all data from the server and pushing the content in the XML based on a category tables. These berries are public, there is also a funciton iterateArray that places the children information somewhere.

  I would like to have 3 different movie clips

  1 screen-> Welcome Message

  2nd screen-> first table

  3rd screen-> second table Dispalyed

  package {
       
       import flash.display.*;
       import fl.transitions.*;
       import fl.transitions.easing.*;
       import flash.net.*;
       import flash.events.*;
       import flash.text.*;
       import flash.text.AntiAliasType;
       import flash.utils.*;
       import bucket_right;
       import bucket_left;
       import firstScreen;
       import secondScreen;
       
       
       public class CustomClass extends MovieClip {
            
            
            [Embed(source="C:/WINDOWS/Fonts/Eurosti.ttf", fontFamily="Euro")]
            public  var EuroEmbedded:Class;
            
            
            //XML responsible variables 
            private var xmlLoader:URLLoader;
            private var xmlContainer:XML;
            private var xmlList:XMLList;
            
            //Array specific variables 
            public var rackUSA:Array;
            public var rackOther:Array;
            public var imagesArray:Array;
            
            //Position Variables 
            public var position:Number;
            
            //Movie Clip Related Data
            public var bucket:MovieClip;
            public var firstScreenShow:MovieClip;
            public var secondScreenShow:MovieClip;
            
            //Text Field Formatting
            private var brandnameTxt:TextFormat;
            private var detailsTxt:TextFormat;
            private var priceTxt:TextFormat;
            public  var euroEmbeddedFont:Font;
            private var fontNeeded:String;
            
            
            //Set up Timer Vars 
            private var applicationStart:Timer;
            private var delay:Number;
            private var repeat:Number;
            
            //Positioning Variable 
            private var positionBuckets:Boolean = true;
            
            //This is the constructor of the application 
            public function CustomClass() {
                 euroEmbeddedFont = new EuroEmbedded();
                 fontNeeded            = euroEmbeddedFont.fontName;
                 position         = 5;
                 rackUSA            = new Array();
                 rackOther            = new Array();
                 imagesArray       = new Array();
                 
                 delay                 = 2000;
                 repeat                = 1;
                 applicationStart = new Timer(delay, repeat);
                 LoadXML();
            }
            
            private function LoadXML() {
                 xmlLoader = new URLLoader();
                 xmlLoader.load(new URLRequest("http://localhost/xml/index.php"));
                 xmlLoader.addEventListener(Event.COMPLETE, populateInfo);
            }
            
            public function populateImages(imgname:String, imgurl:String):* {
                 var imageLoader:Loader = new Loader();
                 //imgname = imgname.split(".gif").join("");
                 //imageLoader.name = imgname;
                 //imagesArray.push(imageLoader);
                imageLoader.load(new URLRequest(imgurl));
                 return imageLoader;
            }
            
            public function getArray(arrayName:Array) {
                 return arrayName;
            }
            /*public function startApplication() {
                 applicationStart.start();
                 applicationStart.addEventListener(TimerEvent.TIMER_COMPLETE, firstScreen);
            }
            
            public function firstScreen(e:TimerEvent) {
                 removeChild(secondScreenShow);
                 applicationStart.reset();
                 applicationStart.removeEventListener(TimerEvent.TIMER_COMPLETE, firstScreen);
                 firstScreenShow = new firstScreen();
                 addChild(firstScreenShow);
                 //firstScreenShow.iterateArray(rackUSA);
                 applicationStart.start();
                 applicationStart.addEventListener(TimerEvent.TIMER_COMPLETE, secondScreen);
            }
            
            public function secondScreen(e:TimerEvent) {
                 applicationStart.reset();
                 applicationStart.removeEventListener(TimerEvent.TIMER_COMPLETE, secondScreen);
                 removeChild(firstScreenShow);
                 secondScreenShow = new secondScreen();
                 addChild(secondScreenShow);
                 //secondScreenShow.iterateArray(rackOther);
                 applicationStart.start();
                 applicationStart.addEventListener(TimerEvent.TIMER_COMPLETE, firstScreen);
            }*/
            
            public function setFontFormat() {
                 //Text Formatting for Brand Name Field
                 brandnameTxt = new TextFormat();
                 brandnameTxt.font = fontNeeded;
                 brandnameTxt.color = 0x006699;
                 brandnameTxt.size = 20;
                 brandnameTxt.bold = true;
                 //
                 
                 //Text Formatting for Country/Material
                 detailsTxt = new TextFormat();
                 detailsTxt.font = fontNeeded;
                 detailsTxt.color = 0x006699;
                 detailsTxt.size = 10;
                 detailsTxt.bold = false;
                 
                 //Text Formatting for Country/Material
                 priceTxt = new TextFormat();
                 priceTxt.font = fontNeeded;
                 priceTxt.color = 0x9DE36E;
                 priceTxt.size = 20;
                 priceTxt.bold = true;
            }
            
            public function tweenBucket(bucket:MovieClip) {
                      var bucketImgTrans = new TransitionManager(bucket);
                      bucketImgTrans.startTransition({type:Zoom, direction:Transition.IN, duration:3, easing:Strong.easeOut});
            }
            
            private function iterateArray(contentInfo:Array) {
                 this.setFontFormat();
                 
                 for (var c:uint = 0; c < contentInfo.length; c++) {
                           var brand:TextField   = new TextField();
                           var country:TextField = new TextField();
                           var made:TextField    = new TextField();
                           var cost:TextField    = new TextField();
                           var img:Loader;     
                           brand.embedFonts        = true;
                           
                           img            = contentInfo[c].picture;
                           brand.text   = contentInfo[c].brand;
                           country.text = contentInfo[c].country;
                           made.text    = contentInfo[c].made;
                           cost.text    = contentInfo[c].cost;
                           
                           if (positionBuckets) {
                           bucket       = new bucket_left();     
                           //Align Data
                           bucket.y = position;
                           bucket.x = 70;
                           brand.x = -50;
                           brand.y = -35;
                           country.x  = -45;
                           country.y  = -10; 
                           made.x = -45;
                           made.y = 5;
                           cost.x = 45;
                           cost.y = -10;
                           img.x = -105;
                           img.y = -35;
                           brandnameTxt.align = TextFormatAlign.LEFT;
                         priceTxt.align         = TextFormatAlign.LEFT;
                           positionBuckets    = false; 
                           } else {
                           bucket       = new bucket_right();     
                           //Align Data
                           bucket.y = position;
                           bucket.x = 240;
                           brand.x = -50;
                           brand.y = -35;
                           country.x  = -45;
                           country.y  = -10; 
                           made.x = -45;
                           made.y = 5;
                           cost.x = -110;
                           cost.y = -10;
                           img.x = 70;
                           img.y = -35;
                           brandnameTxt.align = TextFormatAlign.RIGHT;
                           positionBuckets    = true;      
                           }
                           brand.setTextFormat(brandnameTxt);
                           country.setTextFormat(detailsTxt);
                           made.setTextFormat(detailsTxt);
                           cost.setTextFormat(priceTxt);
                           //this.tweenBucket(bucket);
                           addChildAt(bucket, 0);
                           bucket.addChild(DisplayObject(img));
                           bucket.addChild(brand);
                           bucket.addChild(country);
                           bucket.addChild(made);
                           bucket.addChild(cost);
                           position += 70;
                 }
            }
            
            private function populateInfo(event:Event) {
                 
                 //Incoming XML Data
                 xmlContainer = new XML(event.target.data);
                 xmlList = xmlContainer.product;
                 //
                 
                 //Variables to hold the string
                 var brandTxt:String;
                 var country:String;
                 var material:String;
                 var price:String;
                 var image:String;
                 
                 for (var i:uint = 0; i < xmlList.length(); i++) {     
                 if (xmlList.country.text()[i] == "USA") {
                 brandTxt = xmlList.brand.text()[i];
                 country = "product of " + xmlList.country.text()[i];
                 material = "made of " + xmlList.material.text()[i];
                 price = "$" + xmlList.price.text()[i];
                 image = xmlList.image.text()[i];
                 rackUSA.name = brandTxt.toLowerCase();
                 var imgVar:* = this.populateImages(image, "http://localhost/rackets/" + image); 
                 rackUSA.push({brand: brandTxt, country: country, made: material, cost: price, pic: image, picture: imgVar});
                 //addChild(DisplayObject(rackUSA[0].picture));
                 } else if (xmlList.country.text()[i] == "Other") {
                 brandTxt = xmlList.brand.text()[i];
                 country = "product of " + xmlList.country.text()[i];
                 material = "made of " + xmlList.material.text()[i];
                 price = "$" + xmlList.price.text()[i];
                 image = xmlList.image.text()[i];
                 var imgVarOther:* = this.populateImages(image, "http://localhost/rackets/" + image); 
                 rackOther.push({brand: brandTxt, country: country, made: material, cost: price, pic: image, picture: imgVarOther});
                 }
                 }
                 //this.startApplication();
            }
            
            
            
            
            
       }
  }
  

  If I clip named firstScreen how to fill with data from the rackUSA of the table, using the presented functions iterateArray

  I tried in a movieClip

  CustomClass.iterateArray (rackUSA); but it does not work

  Any suggestions

  I want to clarify the use cases.

  1 load data into the document class

  2. display a welcome message

  3 allow users to navigate through the products.

  Q1: Do you mean by 'welcome message' a user interface that allows to start navigation?

  Q2: Products appears the same way. I mean, consider that product display will have a uniform provision?

  If the answer to Q2 is Yes, I would:

  1. create a class that features products. Call ProductDisplay

  2 transfer data (subset of XML related to a particular product - in your case, it may be an object in the position of the table) in an instance of ProductDisplay

  I would like you to consider the following.

  It is a good practice to do OBJECT oriented programming class as little as possible each. This means that a class must have a very focused functionality. For example, ProductClass you perform tasks related to laying on the presentation of the product. With this in mind, it is best to delegate, say, loading image to a separate category. Believe me, when you do – your life will be much easier if you do features as granular as possible even if sometimes it feels like an overdose.

  So here's the sketch of your classes. I wrote it just to illustrate the idea. I did not check the code during execution is definitely buggy.

  Read my comments below also.

  It is a class of product image that load the image:

  
  package
  {
       import flash.display.Loader;
       import flash.display.Sprite;
       import flash.events.Event;
       import flash.events.ProgressEvent;
       import flash.net.URLRequest;
  
       public class ProductImage extends Sprite
       {
            // image url
            private var _url:String;
            // loader
            private var _loader:Loader;
            public function ProductImage()
            {
                 if (stage) init();
                 else addEventListener(Event.ADDED_TO_STAGE, init);
            }
  
            private function init(e:Event = null):void
            {
                 removeEventListener(Event.ADDED_TO_STAGE, init);
                 _loader = new Loader();
                 _loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onLoad);
                 _loader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, onProgress);
                 _loader.load(new URLRequest(url));
            }
  
            private function onProgress(e:ProgressEvent):void
            {
                 // display progress if needed
            }
  
            private function onLoad(e:Event):void
            {
                 _loader.contentLoaderInfo.removeEventListener(Event.COMPLETE);
                 _loader.contentLoaderInfo.removeEventListener(ProgressEvent.PROGRESS, onProgress);
                 addChild(_loader);
  
            }
  
            public function get url():String { return _url; }
  
            public function set url(value:String):void
            {
                 _url = value;
            }
  
       }
  
  }
  

  ProdustDisplay class. Note how the product class is instantiated

  
  package
  {
       import flash.display.Sprite;
       import flash.events.Event;
  
       public class ProductDisplay extends Sprite
       {
            // hold the metadata
            private var _metaData:Object;
            // an object that holds the image
            private var _imageDisplay:ProductImage;
            public function ProductDisplay()
            {
                 if (stage) init();
                 else addEventListener(Event.ADDED_TO_STAGE, init);
            }
  
            private function init(e:Event = null):void
            {
                 removeEventListener(Event.ADDED_TO_STAGE, init);
                 // only if metadat is set - build interface
                 if (metaData) {
                      build();
                 }
  
            }
            // build interface
            private function build():void {
                 // place prduct image
                 _imageDisplay = new ProductImage();
                 _imageDisplay.url = metaData.image;
                 addChild(_imageDisplay);
                 // do the rest - like description, etc.
            }
            // function that accepts product metadata
            public function set metaData(metaObject:Object):void {
                 _metaData = metaObject;
            }
            // returns metadata
            public function get metaData():Object {
                 return _metaData;
  
            }
  
       }
  
  }
  

  Now in your document class, you can set an unlimited number of instances of ProductDisplay (as slides) and manipulate them. Again, this is just a sketch. Actual implementation of features and code will be somewhat different:

  var productDisplay:ProductDisplay = new ProductDisplay();
  productDisplay.metaData = rackUSA[2];
  
  

  Note: Your code has several inconsistencies - we need to go through them at another time. For now just digest these ideas. I understand that this will involve a refactoring on your part, but once you are done with it - things will fall in place fast.

• Pass data from one XML object to an itemRenderer

  I'm trying to color the background of a column in a datagrid, and we found a sample file that illustrate the concept. However, the sample has data stored in an arrayCollection collection, while mine is in an XML object. The problem is that the data from the sample file apparently automatically passed to the itemRenderer (below: notice the trace statement). My XML object does not automatically pass to the itemRenderer data. So my questions are:

  1. is there a simple way to pass data stored in an XML object to an itemRenderer

  or

  2 should I convert my XML an arrayCollection collection? If Yes, what is the best way to do it - I tried the following, but without success:

  < mx: Model id = source = "example3.xml" / "xmldata" >
  < mx:ArrayCollection id = "myAC" source = "{ArrayUtil.toArray (xmldata. Example1)}"/ >

  Here is what the XML looks like:

  < TABLE >
  example < 1 >
  < Difficulty > 0,5 < / difficulty >
  < discrimination > 0.7 < / discrimination >
  < item 3 > < / point >
  < / example1 >
  < /table >

  Here is the itemRenderer:

  <? XML version = "1.0" encoding = "utf-8"? >
  " < = xmlns:mx mx:Label ' http://www.Adobe.com/2006/MXML ">
  
  <!--
  This element converter simply extends label and overrides the updateDisplayList function
  draw a filled rectangle of gradient. The colors of the gradient are determined from the
  data.
  ->
  < mx:Script >
  <! [CDATA]
  
  to import flash.geom.Matrix;
  import flash.display.GradientType;
  import flash.display.Graphics;
  
  override the updateDisplayList(unscaledWidth:Number,_unscaledHeight:Number):void function
  {
  super.updateDisplayList (unscaledWidth, unscaledHeight);
  
  var m:Matrix new matrix());
  m.createGradientBox (unscaledWidth, unscaledHeight);
  
  var Graphics = g:Graphics;
  trace("Data.COL3="+Data.col3)
  var colors: Array = (data.col3 < 2000? ([0x0000CC, 0x0000FF]: [0x00CC00, 0x00FF00]);
  
  g.Clear ();
  g.beginGradientFill (GradientType.LINEAR, colors, [0.2,0.6], [0,255], m);
  
  the rectangle is drawn a little high and a bit large to compensate for the gap
  the DataGrid control is introduced between the rows.
  g.drawRect (0, -2, unscaledWidth, unscaledHeight + 4);
  g.endFill ();
  }
  []] >
  < / mx:Script >
  < / mx:Label >

  This code example should answer your question of how to import data in the renderer automatically. It is through the dataProvider of the DataGrid and then refer to it in the renderer in the form of data. XYZ, where XYZ is the field in the XML file with the data. See FB 3 help sys on the e4x syntax.

  -mainapp.mxml-

  -MyLabel.mxml-

  -data2.xml-

  
  
         0.5 
         0.7 
         3 
     
  

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  ... < mx:columns >
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  Hi Maury,

  I guess it's similar to: retrieving data without refreshing rather than Re: value of a textfield should enter into an another textfield without using the TAB ?

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  Hi friends,
  
  I have a problem I want to extract data from two tables without discount in the text field when I will enter any value in a text field, then the value of corressponding must come to textfield corressponding.
  
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