Scrollpane location

Hi,
ive got the following problem. I use a JPanel to put a number of JTextFields in it. This number is not determined before. So sometimes the Panel gets to big to fit on a Screen. I decided to put it into a jscrollpane.
But now if got the problem if i navigate through the fields using the ENTER-key, the scrollpane does not follows the focussed JTextFields. if i use the Cursorkeys instead, the scrollpane scrolls simultaneously with the focussed fields. My idea was the following: I determine the height of such a TextField and multiple it with the number of the TextField which is currently focussed. So i can view on the focussed TextField by telling the scrollpane to scroll to the calculated position.
My Problem is, that i dont know how to let a JScrollPane scroll to a given position.
So i really would appreciate any hints for this problem.
Thanks in advance
Jens

The last reply in this thread may give you a place to start:
http://forum.java.sun.com/thread.jsp?forum=31&thread=174273

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[http://img208.imageshack.us/img208/738/nowml5.jpg]
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Edited by: Sven.nl on Apr 17, 2008 2:42 AM
Edited by: Sven.nl on Apr 17, 2008 2:43 AM

I already found it. Thanks anyway.
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Ref javafx 2 - Set location of components and reduce the size - Stack Overflow

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I have created a Address Class that uses Remote Hosting to
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Here are some snippets
The container MovieClip
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AL_Addresses.as
package FlashCFMXApplication{
import flash.display.Sprite
public class AL_Addresses extends Sprite
import flash.display.*;
import flash.text.TextField;
import flash.text.TextFormat;
import flash.net.Responder;
import fl.data.DataProvider;
import FlashCFMXApplication.ArrayCollectionDP
private var siteTitleFormat:TextFormat;
private var siteCityFormat:TextFormat;
private var requestObject = new Object;
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onFault);
private var getStats = new Responder(getSiteStats, onFault);
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public var Addresses_mc = new MovieClip();
public var getStateSites_mc:MovieClip;
public var box:Shape = new Shape();
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myService.objectEncoding = 0;
myService.connect("
http://site.com/flashservices/gateway")
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myService.call( "sites.functions.getStateSites" ,
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siteCityFormat.color = 0xF87A04;
siteCityFormat.bold = true;
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I don't see it in your code anywhere, but maybe you removed
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a server...
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If any of this seems insane, and there is an easier approach to all of this (if you even understand what I am aiming for) I am all ears. I will keep you all posted of any breakthroughs! :-)
Thanks guys,
Js
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import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
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import java.awt.event.ComponentEvent;
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import javax.swing.JMenu;
import javax.swing.JMenuBar;
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                                        lineCount++;
                                        //Update our max line width if necessary
                                        Rectangle2D strBounds = getTextPane().getFontMetrics(getTextPane().getFont()).getStringBounds(LINE_STR,getTextPane().getGraphics());
                                        int strWidth = (int)strBounds.getWidth();
                                        if(strWidth > maxLineWidth)
                                             maxLineWidth = strWidth;
                                   catch(BadLocationException ble)
                                        ble.printStackTrace();
                         t.start();
          return addLineMenuItem;
     private JMenuItem getDelLineMenuItem()
          if(delLineMenuItem == null)
               delLineMenuItem = new JMenuItem("Delete Line");
               delLineMenuItem.addActionListener(new ActionListener()
                    public void actionPerformed(ActionEvent e)
                         Thread t = new Thread()
                              public void run()
                                   Document d = getTextPane().getDocument();
                                   try
                                        d.remove(d.getLength()-LINE_STR.length(),LINE_STR.length());
                                        lineCount--;
                                   catch(BadLocationException ble)
                                        ble.printStackTrace();
                         t.start();
          return delLineMenuItem;
     //MAIN
     public static void main(String args[])
          new DeleteTextResetExample();
     private class MyTextPane extends JTextPane
          //DATA
          private int maxHeight;
          private int maxWidth;
          //This keeps the pane from resizing the width to the viewport(stops word wrapping)
          public boolean getScrollableTracksViewportWidth()
               return false;
          //This keeps the size of the text pane from ever getting smaller
          public void setSize(Dimension d)
               if(d.width > maxWidth)
                    maxWidth = d.width;
               if(d.height > maxHeight)
                    maxHeight = d.height;
               System.out.println("SETTING SIZE: " + maxWidth + "," + maxHeight);
               System.out.println();
               super.setSize(new Dimension(maxWidth,maxHeight));
          //This tells the viewport and others that we want to have a preferred size at least as big as our
          //text pane, but we cannot set d.width = maxWidth or d.height = maxHeight for some reason.
          public Dimension getPreferredSize()
               Dimension d = new Dimension(super.getPreferredSize());
               if(d.width < maxWidth)
                    d.width = maxWidth;
               if(d.height < maxHeight)
                    d.height = maxHeight;
               System.out.println("GETTING PREFERRED SIZE: " + d.width + "," + d.height);
               System.out.println();
               return d;
          //This forces the text pane to any size decided. This is the only way to make the text pane smaller.
          public void forceSize(Dimension d)
               System.out.println("FORCING SIZE: " + d.width + "," + d.height);
               System.out.println();
               maxWidth = d.width;
               maxHeight = d.height;
               super.setSize(d);
}

Ty Michael_Dunn, you are right. But you are also right about the problems that the fix causes.
I've actually gotten one giant step closer. See... I was not taking into account the insets of my text pane and THAT was what was causing the "word wrapped" preferred size even when there was no word wrap. I was setting the size so that when the fixed width text pane tried to calculate its preferred size... it thought it should have wrapped text. Even though in the end I was denying it from actually wrapping the text.
Take a look at this code... it is much cleaner and almost works 100 percent.
The problem I have now:
1. Open program and "add" 10 lines. Verify that both the scrollbars are behaving correctly.
2. Move the JFrame so its left edge is located near the left edge of your screen.
3. Resize the JFrame by dragging its right edge all the way over to the right edge of your screen. Verify that you see the gray background near the right side of the text pane.
This is unwanted. I added some System.out.println()'s in there to show how the scrollpane is not being updated to the correct size, and therefore my forced resize does not work as expected.
Also verify that the old problem that started this post has been resolved as well.
Thanks!!
-Js
import java.awt.Dimension;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.geom.Rectangle2D;
import javax.swing.JFrame;
import javax.swing.JLayeredPane;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.SwingUtilities;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
public class DeleteTextResetExample extends JFrame
     //STATICS
     private static final String LINE_STR = "This is a new line and is amazing for me to see!\n";
     //DATA
     private int lineCount;
     private int maxLineWidth;
     //GUI
     private JLayeredPane myLayeredPane;
          private JScrollPane scrollPane;
               private MyTextPane textPane;
     //MENU
     private JMenuBar mainMenuBar;
          private JMenu actionMenu;
               private JMenuItem addLineMenuItem;
               private JMenuItem delLineMenuItem;
     public DeleteTextResetExample()
          this.setDefaultCloseOperation(javax.swing.JFrame.EXIT_ON_CLOSE);
          this.setContentPane(getMyLayeredPane());
          this.setJMenuBar(getMainMenuBar());
          this.pack();
          this.setVisible(true);
     //GUI
     private JLayeredPane getMyLayeredPane()
          if(myLayeredPane == null)
               myLayeredPane = new JLayeredPane();
               myLayeredPane.setPreferredSize(new Dimension(200,100));
               myLayeredPane.add(getScrollPane(), new Integer(0));
               myLayeredPane.addComponentListener(new ComponentAdapter()
                   public void componentResized(ComponentEvent e)
                        SwingUtilities.invokeLater(new Runnable()
                             public void run()
                                  //First make sure the objects inside the layered pane are in the correct spot
                                  getScrollPane().setBounds(0,0,myLayeredPane.getWidth(),myLayeredPane.getHeight());
                                   //Force the size of the Non-Shrinking Text Pane to either the size of the text or the size of
                                   //the scrollPane
                                  Insets insets = getTextPane().getInsets();
                                  //Figure out the new heights for both the text and the scrollPane
                                   int newHeight = lineCount*getTextPane().getFontMetrics(getTextPane().getFont()).getHeight() + insets.top + insets.bottom;
                                   int newWidth = maxLineWidth + insets.left + insets.right;
                                   int scrollPaneHeight = getScrollPane().getHeight();
                                   if(getScrollPane().getHorizontalScrollBar().isShowing())
                                        scrollPaneHeight -= getScrollPane().getHorizontalScrollBar().getHeight();
                                   int scrollPaneWidth = getScrollPane().getWidth();
                                   if(getScrollPane().getVerticalScrollBar().isShowing())
                                        scrollPaneWidth -= getScrollPane().getVerticalScrollBar().getHeight();
                                   System.out.println("LAYERED PANE: " + myLayeredPane.getWidth() + "," + myLayeredPane.getHeight());
                                   System.out.println("TEXT BOUNDS: " + newWidth + "," + newHeight);
                                   System.out.println("SCROLL PANE: " + scrollPaneWidth + "," + scrollPaneHeight);
                                   System.out.println();
                                   //Now compare the text bounds and the scrollpane bounds and choose to set
                                   if(scrollPaneHeight > newHeight)
                                        newHeight = scrollPaneHeight;
                                   if(scrollPaneWidth > newWidth)
                                        newWidth = scrollPaneWidth;
                                   //Now force the size to the correct size
                                   getTextPane().forceSize(new Dimension(newWidth,newHeight));
          return myLayeredPane;
     private JScrollPane getScrollPane()
          if(scrollPane == null)
               scrollPane = new JScrollPane(getTextPane());
          return scrollPane;
     private MyTextPane getTextPane()
          if(textPane == null)
               textPane = new MyTextPane();
               textPane.setEditable(false);
          return textPane;
     //MENU
     private JMenuBar getMainMenuBar()
          if(mainMenuBar == null)
               mainMenuBar = new JMenuBar();
               mainMenuBar.add(getActionMenu());
          return mainMenuBar;
     private JMenu getActionMenu()
          if(actionMenu == null)
               actionMenu = new JMenu("Action");
               actionMenu.add(getAddLineMenuItem());
               actionMenu.add(getDelLineMenuItem());
          return actionMenu;
     private JMenuItem getAddLineMenuItem()
          if(addLineMenuItem == null)
               addLineMenuItem = new JMenuItem("Add Line");
               addLineMenuItem.addActionListener(new ActionListener()
                    public void actionPerformed(ActionEvent e)
                         Thread t = new Thread()
                              public void run()
                                   Document d = getTextPane().getDocument();
                                   try
                                        //Insert the string
                                        d.insertString(d.getLength(), LINE_STR, null);
                                        //Up our line count
                                        lineCount++;
                                        //Update our max line width if necessary
                                        Rectangle2D strBounds = getTextPane().getFontMetrics(getTextPane().getFont()).getStringBounds(LINE_STR,getTextPane().getGraphics());
                                        int strWidth = (int)strBounds.getWidth();
                                        if(strWidth > maxLineWidth)
                                             maxLineWidth = strWidth;
                                   catch(BadLocationException ble)
                                        ble.printStackTrace();
                         t.start();
          return addLineMenuItem;
     private JMenuItem getDelLineMenuItem()
          if(delLineMenuItem == null)
               delLineMenuItem = new JMenuItem("Delete Line");
               delLineMenuItem.addActionListener(new ActionListener()
                    public void actionPerformed(ActionEvent e)
                         Thread t = new Thread()
                              public void run()
                                   Document d = getTextPane().getDocument();
                                   try
                                        d.remove(d.getLength()-LINE_STR.length(),LINE_STR.length());
                                        lineCount--;
                                   catch(BadLocationException ble)
                                        ble.printStackTrace();
                         t.start();
          return delLineMenuItem;
     //MAIN
     public static void main(String args[])
          new DeleteTextResetExample();
     private class MyTextPane extends JTextPane
          //DATA
          private int maxHeight;
          private int maxWidth;
          //This keeps the pane from resizing the width to the viewport(stops word wrapping)
          public boolean getScrollableTracksViewportWidth()
               return false;
          //This keeps the size of the text pane from ever getting smaller
          public void setSize(Dimension d)
               if(d.width > maxWidth)
                    maxWidth = d.width;
               if(d.height > maxHeight)
                    maxHeight = d.height;
               super.setSize(new Dimension(maxWidth,maxHeight));
          //This tells the viewport and others that we want to have a preferred size at least as big as our
          //text pane, but we cannot set d.width = maxWidth or d.height = maxHeight for some reason.
          public Dimension getPreferredSize()
               Dimension d = super.getPreferredSize();
               if(d.width < maxWidth)
                    d.width = maxWidth;
               if(d.height < maxHeight)
                    d.height = maxHeight;
               return d;
          //This forces the text pane to any size decided. This is the only way to make the text pane smaller.
          public void forceSize(Dimension d)
               maxWidth = d.width;
               maxHeight = d.height;
               super.setSize(d);
}

Accessing Button inside Movieclip/ScrollPane

Hello all,
I'm trying to understand how to build a button inside a movieclip. I have a template that has movieclips within movieclips, and when I create a button (all using AS2) the button will work if I test the scene, but in the whole flash movie it does not work. I also have some buttons located inside a ScrollPane that also do not call correctly.
For my button I am using this code:
facebookbtn.on (release) {
getURL("http://www.facebook.com/","_blank","GET");
^ This is placed on the button "facebookbtn". I also tried using: _root.bgPages.pg1.facebookbtn.on (release), to no avail.
For the one inside a ScrollPane I am attempting to call a javascript function:
on(release){
     import flash.external.ExternalInterface;
     ExternalInterface.call("GroupDelegate","dayone1");
^ This also does not work, with or without the button name before on(release).
I'm putting the FLA file here so that if anyone has the time, could help me with this quick problem. Thanks!
FLA: Download FLA

Do not place code inside objects with code on(blah2x). It will lead to unpredictable behaviors and besides it is bad practice. Centralize all your code on one frame in the timeline. Use this format on the main timeline:
import mx.utils.Delegate; //declare at top only ONCE
YourButton.onRelease = Delegate.create(this, YourFunctionCall);
or
YourButton.onRelease = function()
   //do your stuff here
Do the same thing with the ExternalInterface. You can put the import at the top along with Delegate.

Scrollpane all screwy inside loaded swf

I have had this problem using both the scrollPane component
from Flash 8 and an open source code scrollpane that I found in
Flashkit. I have an swf in which I'm using a scrollPane which works
fine when I test the movie. However, I'm loading this swf into
another master swf using loadMovie. When I do this, the scrollpane
inside the loaded swf gets really buggy. First, the scrollbar will
not stop scrolling when I release the mouse. Also, the whole
scrollPane gets a green highlight around the edges (except in the
open-source code scrollpane). HELP!! Does anyone know how to load a
scrollPane into another swf without it getting all weird?

//below is the code for the "slideshow.swf"
//For the main movie.. I'm doing....
button_btn.onRelease = function() {
myMovieClipLoader_mc.loadMovie("slideshow.swf")//
this.createEmptyMovieClip("container_mc",this.getNextHighestDepth());
this.createEmptyMovieClip("buttons_mc",this.getNextHighestDepth());
//loader//
this.attachMovie("loader2","loader_mc",this.getNextHighestDepth());
loader_mc._x = (Stage.width - loader_mc.width)/2;
loader_mc._y = (Stage.height - loader_mc.height)/2;
var myMCL:MovieClipLoader = new MovieClipLoader();
var myListener:Object = new Object();
myMCL.addListener(myListener);
myListener.onLoadProgress =
function(target,bytesLoaded,bytesTotal) {
loader_mc._alpha = 100;
var pct = Math.round(bytesLoaded/bytesTotal*100);
loader_mc.bar_mc._xscale = pct
myListener.onLoadComplete = function(target) {
loader_mc._alpha = 0;
//button movies//
buttons_mc.attachMovie("prev","prev_mc",buttons_mc.getNextHighestDepth());
buttons_mc.attachMovie("next","next_mc",buttons_mc.getNextHighestDepth());
buttons_mc.next_mc._x = Stage.width -
buttons_mc.next_mc._width;
buttons_mc.next_mc._y = 10;
buttons_mc.prev_mc._x = 10;
buttons_mc.prev_mc._y = 10;
//variables//
var numPics:Number = 5
var picArray:Array = new Array();
var currentElement:Number = 0;
for (i=0;i< numPics;i++) {
var location:String = "pics/pic0" + (i+1) + ".jpg";
picArray.push(location);
myMCL.loadClip(picArray[currentElement],container_mc);
//next button//
buttons_mc.next_mc.onRelease = function() {
if (currentElement < picArray.length-1) {
currentElement++;
else
currentElement = 0;
myMCL.loadClip(picArray[currentElement],container_mc);
//prev button//
buttons_mc.prev_mc.onRelease = function() {
if (currentElement > 0) {
currentElement--;
else
currentElement = picArray.length-1;
myMCL.loadClip(picArray[currentElement],container_mc);
}

Import fl.containers.ScrollPane;

Hello,
I was looking over some of the AS3 packages, and I was
trying sample code for ScrollPane.
In any case, I kept getting errors, so I reduced the
FLA down to
import fl.containers.ScrollPane;
I also tried:
import fl.containers.*;
The error is:
1172: Definition fl.containers could not be found.
I would think the Flash enviroment "knows"
where this is located.
What is wrong? Do I have to explicitly add the path?
Thanks,
Jim

i know that "no" sounded curt but that's what it seemed you wanted. i gave a complete answer in the message prior to that "no" response.
for example, you can use the easing classes without using any component:
import fl.transitions.easing.Back;
var n:Number = Back.easeInOut(3,3,3,3);
and, of course, you can use the tween class without using any component. but most of the fl classes do involve components and when you want to reference a component, it needs to be your library.

Stream 8 tablet location does not work on T-mobile broadband

On my HP Stream 8 tablet, location works fine with GPS only (GNSS on; Mobile Broadband, Wi-Fi, and Bluetooth off).
However, if I turn on Mobile Broadband and connect to T-Mobile and turn off GNSS (or GNSS on inside where there is no GPS signal) and keep Wi-Fi and Bluetooth off, the location gives very odd results. Last week the map showed Phoenix as my location (I am actually located in San Francisco). This week, it gives Brentwood or Clayton, CA, both more than 30 miles away.
HP tech support said call T-Mobile. T-Mobile said they had occasionally seen equally odd locations.
I went to a nearby T-Mobile store. They had a Samsung Galaxy Tab 4 which always gave a correct location, within 100 feet using T-Mobile alone. Manually moving the map to a different location in an attempt to confuse it and turning it on and off, it would still find the correct location. No surprise there, my three year old Virgin Mobile LG android cell phone does just as good a job at finding locations.
(The T-mobile store also had an iPad Mini 3 that I was able to confuse. On T-Mobile alone and clicking on My Location in maps, it produced a grid that was blank except for a line saying that it was unable to find a location, no info or link to what to do next. The T-Mobile store did not have a Stream 8. The Microsoft Store has a Stream 8 but it is not connected to Mobile Broadband.)
Does anyone else have this problem? Is my unit defective? There are times that a GPS signal is unavailable and a T-mobile broadband signal is available, and it seems that this unit should be able to find a location at least as well as my cell phone.
Thanks.

I see the same basic results, wifi=off, bluetooth=off, gnss=off, t-mobile=on. Open win8.1 map-app shows my location in LA south of the 101/110 junction. I'm in SF Bay area near San Jose about 400 miles away. Turn on wifi and map-app shows me at my real address. With t-moile only, opened win8.1 IE, went to www.bing.com/maps location also shows LA.
My only t-mobile account is the stream8 free 200mb/month data plan, don't think they have my real address anywhere. My t-mobile "phone" number is 720 area code in the Denver area. No idea why middle of LA is the t-mobile location. Must be a "feature, not a bug".

Scrollpane location

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