GridFieldManager with label get wider

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  AA

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  Hello

  I want to create a great label ButtonField who must dress to the next line.

  (1.) I overrode getPreferredWidth/height to adjust the dimensions of the button.

  2.) is it possible to get the text to wrap around to the next line.

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  I would really appreciate guidance in this regard.

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  -MO.

  Well, I had little time to debug the code.  Here's the working version (I'll even integrate it into our project - after a few changes):

  import net.rim.device.api.ui.Color;
  import net.rim.device.api.ui.Graphics;
  import net.rim.device.api.ui.Manager;
  import net.rim.device.api.ui.XYRect;
  import net.rim.device.api.ui.component.NullField;
  import net.rim.device.api.ui.component.TextField;
  
  public class MultiLineButtonField extends Manager {
      private final static int MAX_LABEL_PADDING = 8; // pixels
      private final static int MIN_LABEL_PADDING = 2; // pixels again
      private final static int NON_FOCUS_COLOR = Color.DARKBLUE;
      private final static int FOCUS_COLOR = Color.BLUE;
      private final static int DISABLED_COLOR = Color.GRAY;
      private final static int FONT_COLOR = Color.WHITE;
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      private NullField _focusAnchor;
      private int _width;
      private int _padding;
  
      public MultiLineButtonField(String labelText, int width, long style) {
          super(style & (FIELD_HALIGN_MASK | FIELD_VALIGN_MASK | USE_ALL_WIDTH | USE_ALL_HEIGHT));
          _label = new TextField(style & SPELLCHECKABLE_MASK | READONLY | NON_FOCUSABLE);
          _label.setText(labelText);
          add(_label);
          _focusAnchor = new NullField(style & FOCUSABLE_MASK) {
              protected void onFocus(int direction) {
                  getManager().invalidate();
                  super.onFocus(direction);
              }
  
              protected void onUnfocus() {
                  getManager().invalidate();
                  super.onUnfocus();
              }
          };
          add(_focusAnchor);
          _width = width;
          if (_width < 2 * MIN_LABEL_PADDING) {
              throw new IllegalArgumentException("Not enough width to lay out MultiLineButtonField");
          }
      }
  
      protected int nextFocus(int direction, int axis) {
          invalidate();
          return -1;
      }
  
      protected void sublayout(int width, int height) {
          XYRect childRect;
          if ((width < 2 * MIN_LABEL_PADDING) || (height < 2 * MIN_LABEL_PADDING)) {
              throw new IllegalArgumentException("Not enough room to lay out MultiLineButtonField");
          }
          layoutChild(_label, Math.min(_width, width) - 2 * MIN_LABEL_PADDING, height - 2 * MIN_LABEL_PADDING);
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          int myWidth = width;
          int myHeight = height;
          if (!isStyle(USE_ALL_WIDTH)) {
              myWidth = Math.min(width, childRect.width + 2 * MAX_LABEL_PADDING);
          }
          if (!isStyle(USE_ALL_HEIGHT)) {
              myHeight = Math.min(height, childRect.height + 2 * MAX_LABEL_PADDING);
          }
          _padding = Math.min((myWidth - childRect.width), (myHeight - childRect.height)) / 2;
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          layoutChild(_focusAnchor, 0, 0);
          setPositionChild(_focusAnchor, 0, 0);
          setExtent(myWidth, myHeight);
      }
  
      protected void paintBackground(Graphics g) {
          int prevColor = g.getColor();
          int bgColor;
          if (_focusAnchor.isFocusable()) {
              if (_focusAnchor.isFocus()) {
                  bgColor = FOCUS_COLOR;
              } else {
                  bgColor = NON_FOCUS_COLOR;
              }
          } else {
              bgColor = DISABLED_COLOR;
          }
          g.setColor(bgColor);
          g.fillRoundRect(0, 0, getWidth(), getHeight(), _padding, _padding);
          g.setColor(prevColor);
      }
  
      protected void paint(Graphics g) {
          int prevColor = g.getColor();
          g.setColor(FONT_COLOR);
          super.paint(g);
          g.setColor(prevColor);
      }
  }
  

• Events with label, TextInput, and list

  Hello

  I'm with yet another problem.

  So, I have a list on a page with a bunch of items in there.

  On the same page is a TextInput which takes something from the user.

  According what is selected in the list, this entry (in the TextInput) is changed on label and displayed on the screen.

  I did a job, but it doesn't seem to work, the code I use is below.

  In addition, if you look at the code, I use my table as:

  var fromArray:Array = new Array({label: 'Thing1'},
                  {label: 'Thing2'});
  

  And I always use the index number in the eventListener. This seems a bit heavy. Is any way for him to seek the 'label' name... i. e Thing1 and Thing2 rather than the index = 0 and index = 1.

  Here's the rest of my code:

  package
  {   
  
      import flash.display.Sprite;
      import flash.events.Event;
      import flash.events.MouseEvent;
      import flash.filesystem.File;
      import flash.net.SharedObject;
      import flash.text.TextField;
      import flash.text.TextFieldType;
  
      import qnx.ui.data.*;
      import qnx.ui.display.Image;
      import qnx.ui.events.ListEvent;
      import qnx.ui.listClasses.*;
      import qnx.ui.skins.picker.*;
      import qnx.ui.text.*;
  
      public class DistanceWindow extends Sprite
      {
          private var textInput:TextInput;
          private var inputNumber:int = new int();
  
          private var outMeterLabel:Label;
          private var outMeterNumber:int = new int();
  
          public function DistanceWindow()
          {
              drawDistanceWindow();
          }
  
          public function drawDistanceWindow():void {         
  
              var fromArray:Array = new Array({label: 'Thing1'},
                  {label: 'Thing2'});
  
              var fromList:List = new List();
              fromList.setSkin(ListCellRenderer);
              fromList.width = 250;
              fromList.height = 400;
              fromList.alpha = 1.0;
              fromList.x = 100;
              fromList.y = 100;
              fromList.rowHeight = 25;
              fromList.dataProvider = new DataProvider(fromArray);
              fromList.selectionMode = ListSelectionMode.SINGLE;
              fromList.allowDeselect = false;
              fromList.selectedIndex = 0;
              fromList.addEventListener(ListEvent.ITEM_CLICKED, listItemClicked);
              addChild(fromList);
  
              textInput = new TextInput();
              textInput.setSize(250,40);
              textInput.prompt = "Input";
              textInput.setPosition(387,150);
              textInput.textField.restrict = "0-9 \.";        // Restrict to only numbers from 0 to 9 AND the period (decimal) i.e. hex 2E
              textInput.addEventListener(Event.CHANGE, inputNumberEntered);
              addChild(textInput);
  
              outMeterLabel = new Label();
              outMeterLabel.text = "outMeterLabel";
              addChild(outMeterLabel);
          }   
  
          private function inputNumberEntered(e:Event): void {
              inputNumber = e.target.toString();
  
          }
  
          private function listItemClicked(e:ListEvent): void {
              var indexClicked:int = new int()
              indexClicked = e.index;
  
              if(indexClicked == 0) {
                  outMeterNumber = inputNumber*0.01;
                  outMeterLabel.text = outMeterNumber.toString();
              }
          }
  
      }
  }
  

  Any help would be great!

  Thank you!

  G

  Hey gpatton,

  I went through the code and made a few Chang to get what I think you want. first thing I did was subject to available fromList to all functions within this application by moving outside the constructor. second thing, it is that I converted your ourmeternumber a number instead of an Int object so that we can see decimal and not only the portion of the whole number of the result. last thing that I did, assuming you want to see a change, whenever a user changes the value of the input text entry was to take the function listItemClicked function and place it in the inputNumberEntered function. so now, the entry is changed each time so the value of the label. the changes I made are in bold. Note also I removed the "new int()" portions of your code. they are not required. This also applies to digital objects and string.

  DistanceWindow.as:

  package{ 
  
    import flash.display.Sprite;  import flash.events.Event;    import flash.events.MouseEvent;   import flash.filesystem.File; import flash.net.SharedObject;    import flash.text.TextField;  import flash.text.TextFieldType;
  
    import qnx.ui.data.*; import qnx.ui.display.Image;  import qnx.ui.events.ListEvent;   import qnx.ui.listClasses.*;  import qnx.ui.skins.picker.*; import qnx.ui.text.*;
  
    public class DistanceWindow extends Sprite    {     private var textInput:TextInput;      private var inputNumber:Number;
  
        private var outMeterLabel:Label;      private var outMeterNumber:Number;
  
        private var fromList:List;       
  
        public function DistanceWindow()      {         drawDistanceWindow();                 }
  
        public function drawDistanceWindow():void {         
  
            var fromArray:Array = new Array({label: 'Thing1'},                {label: 'Thing2'});
  
            fromList = new List();            fromList.width = 250;         fromList.height = 400;            fromList.alpha = 1.0;         fromList.x = 100;         fromList.y = 100;         fromList.rowHeight = 25;          fromList.dataProvider = new DataProvider(fromArray);          fromList.selectionMode = ListSelectionMode.SINGLE;            fromList.allowDeselect = false;           fromList.selectedIndex = 0;           fromList.addEventListener(ListEvent.ITEM_CLICKED, listItemClicked);           addChild(fromList);
  
            textInput = new TextInput();          textInput.setSize(250,40);            textInput.prompt = "Input";           textInput.setPosition(387,150);           textInput.textField.restrict = "0-9 \.";        // Restrict to only numbers from 0 to 9 AND the period (decimal) i.e. hex 2E          textInput.addEventListener(Event.CHANGE, inputNumberEntered);         addChild(textInput);
  
            outMeterLabel = new Label();          outMeterLabel.text = "outMeterLabel";         addChild(outMeterLabel);              }   
  
        private function inputNumberEntered(e:Event): void {          inputNumber = e.target.text.toString();
  
            if (fromList.selectedIndex > -1)           {             if (fromList.selectedIndex == 0)              {                 outMeterNumber = inputNumber*0.01;                    outMeterLabel.text = outMeterNumber.toString();               }         }
  
        }
  
        private function listItemClicked(e:ListEvent): void {         var indexClicked:int;            indexClicked = e.index;
  
            if(indexClicked == 0) {               outMeterNumber = inputNumber*0.01;                outMeterLabel.text = outMeterNumber.toString();           }     }
  
    }}
  

  Oh yah also in the inputNumberEntered function, I've changed the first line to:

  inputNumber = e.target.text.toString();
  

  You had right idea just forgot to go a step deeper and get the text property of the TextInput.

  also its worth noting that I've seen a weird phenomenon when the TextInput value is really high. the reported numbers of return are not accurate at all. Try to go... 1.12.123 1234... and so on until what u hit 123456789. It will begin to do some weird stuff after u pass this point. Assuming that your numbers will get very high that it may not be a problem.

  hope that helps. Good luck!

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