Help with Dynamic Dashboard Application

I have been developing in Flex for a few months now. I have
created a dynamic Dashboard/Mashup application using Flex. However,
I have one small problem. As new sub-applications are made
available for this application, I have to edit the MXML files and
recompile. I am wondering if anyone has any good ideas on how to
facilitate this type of dynamic application/sub-application
architecture.
Right now, I basically have 3 sub-applications - let's call
them App1 (App1.mxml) which is a DataGrid, App2 (App2.mxml) which
is a Line Chart, and App3 (App3.mxml) which is a Pie Chart. A user
can put one, two, or all three sub-applications on the page, so it
has to be built dynamically. I retrieve their layout from the
database via a WebService, then loop through the collection of
sub-applications they have saved. To accomplish this, I do
somethign similar to what is displayed in the attached code.
This works exactly how I need it to. However, if I want to
create a new sub-application - say App4 as an Advanced DataGrid - I
have to edit this code to add a new Case statement for it, and then
recompile. I'd like to avoid that.
Any help would be greatly appreciated.
Thanks.

This may be more than you are looking for, but try looking at
an Abstract Factory pattern to produce variations of the same
object. See "Head First Design Patterns" for a good implementation
example or for advanced implementations with other design patterns
see "Core J2EE Patterns: Best Practices and Design Strategies,
Second Edition".
The Cannon of Object Oriented Design has three tenents:
Inheritance, Encapsulation and Polymorphism. Using design patterns
to solve OO problems such as what you describe will unleash the
real power behind AS3. If you already understand what I'm speaking
about, then please accept my apologies. Because of the question,
I'm unsure as to your qualifications in OO design.
Another way to do this might be create an interface and
implement it within all your child classes. Then code using the
interface instead of the implementation. In java, (and it should
work the same in AS3) by supplying the concrete class name to
instantiate at runtime, and then invoking the methods of the
interface, you have designed in polymorphic behaviors for runtine
vs. compiletime. I have yet to do this in AS3, so hopefully, it
should work the same.
Cheers,

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Hi Mikey81,
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Need help with a small application

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Originally Posted by bentinker
Greets,
The title says it all really. I need help with the Web Application Certificate.
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Help with dynamic page layouts

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How does Tiles differ from the JetSpeed apache
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Ex: SOX_CAM_SQL_Report _020215.csv
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--Similar issue:
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Suggestion in the above posted but where can bind this to Excel Connection Manger.
Please help provide step by step. Thanks.
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https://sqljourney.wordpress.com/2013/01/12/ssis-create-new-excel-file-dynamically-to-export-data/
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Wendy Fu
Wendy Fu
TechNet Community Support

Help with dynamic text and and css !

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Help with dynamic statement returning values into collection

Hi All
I am trying to use dynamic statement to return values into a collection using the returning clause. However, I get an ORA-00933 error. Here is a simple setup:
create table t(
    pk number,
    id_batch varchar2(30),
    date_created date,
    constraint t_pk primary key ( pk )
create or replace type num_ntt is table of number;
create or replace type vc2_ntt is table of varchar2(30);
create or replace
package pkg
as
type rec is record(
      pk        num_ntt,
      id_batch vc2_ntt
procedure p(
      p_count in number,
      p_rt    out nocopy rec
end pkg;
create or replace
package body pkg
as
procedure p(
      p_count in number,
      p_rt    out nocopy rec
is
begin
      execute immediate '
      insert into t
      select level, ''x'' || level, sysdate
      from   dual
      connect by level <= :p_count
      returning pk, id_batch into :pk, :id_batch'
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end p;
end pkg;
declare
r pkg.rec;
begin
pkg.p( 5, r );
end;
/

sanjeevchauhan wrote:
but I am working with dynamic statement and returning multiple fields into a collection.And using an INSERT...SELECT statement combined with a RETURNING INTO clause still does not work. Whether it's dynamic SQL or not: it doesn't work. The link describes a workaround.
By the way, I don't see why you are using dynamic SQL here. Static SQL will do just fine. And so you can literally copy Adrian's setup.
Regards,
Rob.

Can someone help with this simple application

I am taking my first java class and there are limited resourses for the class as far as getting help with coding.
Any hoo if any one can point me in the correct direction from the following information listed below I would be greatfull. I am trying to use the set and get methods on the instance veriables and then I am goign to post the results once I get them workign to a JOption pane window.
examples are most welcome thanks
// Invoice.java
// Homework assignment 3.13
// Student Arthur Clark
public class Invoice // public class
String partNumber;// instance veriable quantity
String partDescription;// instance verialbe partDescription
//constructors
public void setpartNumber( String number, String description )
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          partDescription = description; // initalize partDescription
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//method getpartNumber
public String getpartNumber()
          return partNumber;
     }//end method getpartNumber
public String getpartDescription()
          return partDescription;
     }// end method getpartDescription
public void displayMessage()
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} // method displaMessage
}// end method main
// Fig. 3.14 InvoiceTest.java
// Careate and manipulate an account object
import java.util.Scanner;
import javax.swing.JOptionPane;//import JOptionPane
public class InvoiceTest{
     // main method begins the exciution of the program
     public static void main ( String args [] )
          // create Scanner to obtain input from mommand window
          Scanner input = new Scanner ( System.in );
          // create a Invoice object and assig it to mymethod
          Invoice myMethod = new Invoice();
          Invoice myMethod2 = new Invoice();
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          System.out.printf( "inital partname is %s\n\n", myMethod.getpartNumber() );
          // prompt for and read part name, partDescription
          System.out.println( "please enter the Part Number:" );
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          myMethod.setpartNumber( theNumber ); // set the part name with in the parens
          System.out.println();// outputs blank line
          myMethod.displayMessage();
          System.out.println( "please enter the Part Description" );
          String theDescription = input.nextLine(); // read a line of text
          myMethod2.setpartDescription( theDescription );// set the part description
          System.out.println();// outputs blank line
          myMethod2.displayMessage();
     }// end main mehtod
}// end class

//constructors
public void setpartNumber( String number, String description )
          partNumber = number; //initalize quantity
          partDescription = description; // initalize partDescription
     }// end constructorsThe above code is not a constructor. You do not include a return type, void or anything else. Also, the constructor should be called the same as your class.
public Invoice( String number, String description )
          partNumber = number;
          partDescription = description;
     } Another thing, comments should only be used when it isn't bleedingly obvious what your code is doing.
P.S. is your middle initial C?

Help with dynamic SQL

Hello,
I have the following function that works ok:
CREATE OR REPLACE FUNCTION Get_Partition_Name (sTable VARCHAR2, iImportIndex INTEGER)
RETURN VARCHAR2 IS
cursor c is select A.partition_name from (select table_name, partition_name,
extractvalue (
dbms_xmlgen.
getxmltype (
'select high_value from all_tab_partitions where table_name='''
|| table_name
|| ''' and table_owner = '''
|| table_owner
|| ''' and partition_name = '''
|| partition_name
|| ''''),
'//text()') import_value from all_tab_partitions) A where table_name = sTable and A.import_value = iImportIndex;
sPartitionName VARCHAR(20);
err_num NUMBER;
BEGIN
open c;
fetch c into sPartitionName;
IF c%ISOPEN THEN
CLOSE c;
END IF;
RETURN sPartitionName;
EXCEPTION
WHEN OTHERS THEN
err_num := SQLCODE;
--save error in log table
LOG.SAVELINE(SQLCODE, SQLERRM);
END Get_Partition_Name;
I am trying to replace the cursor statement with dynamic SQL, something like (see below) but it doesn't work any more; I think I am missing some quotes.
CREATE OR REPLACE FUNCTION Get_Partition_Name (sTable VARCHAR2, iImportIndex INTEGER)
RETURN VARCHAR2 IS
TYPE t1 IS REF CURSOR;
c t1;
sSql VARCHAR2(500);
sPartitionName VARCHAR(20);
err_num NUMBER;
BEGIN
sSql := 'select A.partition_name from (select table_name, partition_name,
extractvalue (
dbms_xmlgen.
getxmltype (
''select high_value from all_tab_partitions where table_name=''''
|| table_name
|| '''' and table_owner = ''''
|| table_owner
|| '''' and partition_name = ''''
|| partition_name
|| ''''''),
''//text()'') import_value from all_tab_partitions) A where table_name = :a and A.import_value = :b';
OPEN c FOR sSql USING sTable, iImportIndex;
fetch c into sPartitionName;
IF c%ISOPEN THEN
CLOSE c;
END IF;
RETURN sPartitionName;
EXCEPTION
WHEN OTHERS THEN
err_num := SQLCODE;
--save error in log table
LOG.SAVELINE(SQLCODE, SQLERRM);
END Get_Partition_Name;
Please advise,
Regards,
M.R.

Assuming the requirement is to find the partition in the supplied table with the supplied high value and the issue is that dba/all_tab_partitions.high_value is a long, one alternative along the same lines as you've done already is as follows. (I've just used a cursor rather than a function for simplicity of demo).
SQL> var r refcursor
SQL> set autoprint on
SQL> declare
2   ctx dbms_xmlgen.ctxhandle;
3   v_table_name VARCHAR2(40) := 'LOGMNR_USER$';
4   v_value      NUMBER       := 100;
5 begin
6   ctx := DBMS_XMLGEN.NEWCONTEXT
7          ('select table_name
8            ,      partition_name
9            ,      high_value hi_val
10            from   dba_tab_partitions
11            where table_name     = :table_name');
12   dbms_xmlgen.setbindvalue(ctx,'TABLE_NAME',v_table_name);
13   open:r for
14   with x as
15   (select xmltype(dbms_xmlgen.getxml(ctx)) myxml
16    from   dual)
17   select extractvalue(x.object_value,'/ROW/TABLE_NAME') table_name
18   ,      extractvalue(x.object_value,'/ROW/PARTITION_NAME') partition_name
19   ,      extractvalue(x.object_value,'/ROW/HI_VAL') hi_val
20   from   x
21   ,      TABLE(XMLSEQUENCE(EXTRACT(x.myxml,'/ROWSET/ROW'))) x
22   where extractvalue(x.object_value,'/ROW/HI_VAL') = v_value;
23 end;
24 /
PL/SQL procedure successfully completed.
TABLE_NAME
PARTITION_NAME
HI_VAL
LOGMNR_USER$
P_LESSTHAN100
100
SQL> I'm sure there are other ways as well. Especially with XML functionality, there's normally many ways to skin a cat.

Help with dynamic playlist for mpd

Hi guys,
I use mpd with sonata for playing my music, and after trying exaile there is one thing id really like for mpd, and that is the dynamic playlist function.
When you're playing a song in exaile with dynamic playlist enabled, it queries audioscrobbler and automatically adds similar artists/songs to your playlist (if you have them on your pc).
I dont want to use exaile as it just feels too big and slow and bloated (not KISS ), i know a little bit of python so i thought i'll try and make my own little script/program as Sonata has audioscrobbler support, but i dont think there is anyway to query similar artists.
I think im going to try and make this as a daemon type program that will run in the background adding songs to the playlist.
Ive found the code from the exaile source (audioscrobbler.py) which queries lastfm e.g.
>>> lips = AudioScrobblerQuery(artist='The Flaming Lips')
>>> for artist in lips.similar():
... print artist.name, artist.mbid
This will print a list of similar artists to the flaming lips.
I've not done much with python so i thought this would be a good way to try and improve.
Does anyone have any suggestions as to what the best way to go about searching and comparing the results to my mpd database, would the best way just to be to search the mpd.db?
And if anyone else has any ideas/comments id like to hear them.
Edit:
I just found this too, so i may only need to change some things to integrate it with mpd rather than amarok
http://www.kde-apps.org/content/show.php?content=31920
Thanks
Last edited by Kane (2008-06-05 13:24:33)

well i just modified the patch into a little script, it does what i need
its here if anyone wants it
import audioscrobbler
import mpd
import random
import time
lastsong = {}
def timer_control():
get_similar()
time.sleep(10)
timer_control()
def get_similar():
audioscrobbler
client = mpd.MPDClient()
client.connect("localhost", 6600)
mpdstatus = client.status()
prevsonginfo = client.currentsong()
global lastsong
if mpdstatus['state'] == "stop": return
if prevsonginfo == lastsong: return
lastsong = prevsonginfo
similarartists = ""
song = prevsonginfo
#if not song: break #No song, do nothing
prevartist = song['artist']
# Is the info already cached?
similar_cache = {}
if similar_cache.has_key(prevartist):
similarartists = similar_cache[prevartist]
else:
#Not cached so fetch from Audioscrobbler
try:
similarartists = [artist.name for artist in audioscrobbler.AudioScrobblerQuery(artist=prevartist).similar()]
# Cache search results and save some time next search
similar_cache[prevartist] = similarartists
except audioscrobbler.AudioScrobblerError:
similar_cache[prevartist] = None # Empty cache
return # Do nothing!
if not similarartists: return # Empty list
# Split list in half and sort upper half
# this means good matches will have priority
# but makes sure artist A does not always result in artist B
half_idx = len(similarartists)/2
upperhalf = similarartists[:half_idx]
lowerhalf = similarartists[half_idx:]
random.shuffle(upperhalf)
artistlist = upperhalf
artistlist.extend(lowerhalf)
# Try each artist in order
for artist in artistlist:
try:
print "Trying:",artist
songs = client.search("artist", artist)
if not songs: continue
selected_song = random.sample(songs, 1)[0]
client.add(selected_song['file'])
print "Added", selected_song['title'],"by",selected_song['artist']
# Delete old song from playlist?
break
except mpd.MPDError, e:
print "MPDError", e.message
continue
except ValueError, e:
print "ValueError:",e.message
continue
timer_control()
Last edited by Kane (2008-06-06 16:22:49)

Help with Dynamic Objects

Hi All,
New to Flex and wanted to get some help from the public.
Basically, here's what I want to do.
I have a tab navigator with multiple tabs. Each tab has a
datagrid on it. When you click the tab, the grid should update to
new data based on the tab clicked. That's no problem. The problem
I'm running into is that because the data is taking a while to
retreive from the server, users are getting the previous's tabs
datagrid until the information is updated. I wanted to do two
things:
1) Change the cursor to a "thinking" or "processing" icon
where clicks can't be done until the full data has been retreived
and updated. This is a nice to have; i haven't the slightlest clue
on how to accomplish this.
2) In lieu/addition to #1, i wanted the datagrid to be
dynamic. Meaning, if you go to the tab, it'll add dynamically the
datagrid to the tab and then show the data.
Here's my code, but it doesn't work very well. Any help i can
get from you guys would be great:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="
http://www.adobe.com/2006/mxml"
layout="horizontal" initialize="createDataGrid()">
<mx:Script>
<![CDATA[
import mx.controls.DataGrid;
import mx.managers.PopUpManager;
import mx.collections.ArrayCollection;
import mx.controls.Alert;
import mx.rpc.events.ResultEvent;
import mx.containers.HBox;
import mx.containers.TabNavigator;
[Bindable]
private var infoDataGrid:ArrayCollection;
[Bindable]
private var currentID:String;
[Bindable]
private var dynDataGrid:DataGrid;
private function createDataGrid():void {
dynDataGrid = new DataGrid;
dynDataGrid.dataProvider=infoDataGrid;
dynDataGrid.width=80;
private function getDataFromServer(event:ResultEvent):void {
var numOfRecords:int = event.result.result_set.num_rows;
if (numOfRecords > 0 ) {
infoDataGrid = event.result.result_set.results.result as
ArrayCollection;
} else {
// no information retrieved worry about this later
private function mainBuilder( event:Event ):void {
var tabNavigator:TabNavigator = TabNavigator( event.target
var pattern:RegExp = /\D/gi;
if (tabNavigator.selectedChild.id != "NewTab") {
// Remove all non-digits from LID
var str:String = tabNavigator.selectedChild.id;
currentID=(str.replace(pattern, ""));
phpHTTPService.send();
// loop through all children and remove any datagrids while
adding to the current one
for (y=0; y<tabNavigator.numChildren; y++) {
var tmpNavID:String = tabNavigator.childDescriptors[y].id
if ((tmpNavID == tabNavigator.selectedChild.id) &&
(tmpNavID != "")) {
// this does not work as intended...
tabNavigator.selectedChild.addChild(dynDataGrid);
} else {
// this does not work.
//How do you access something directly with an ID but
represented by a variable?
// tmpNavID.removeChildAt(0);
} else {
// New Tab selected, do something here
]]>
</mx:Script>
<mx:HTTPService id="phpHTTPService"
url="/flex/php/AssetsInLocation.php" useProxy="false" method="GET"
result="getDataFromServer(event)">
<mx:request xmlns="">
<lid>{currentID}</lid>
</mx:request>
</mx:HTTPService>
<mx:TabNavigator id="tabNav"
creationComplete="tabNav.selectedIndex=0;mainBuilder(event)"
width="100%" change="mainBuilder(event);">
<mx:HBox id="LID2345" label="Tab 1" width="100%"
height="100%" horizontalAlign="center">

</mx:HBox>
<mx:HBox id="LID1111" label="Tab 2" width="100%"
height="100%" horizontalAlign="center">

</mx:HBox>
<mx:HBox id="LID1234" label="Tab 3" width="100%"
height="100%" horizontalAlign="center">

</mx:HBox>
<mx:Canvas id="NewTab" label="New..." width="100%"
height="100%">
</mx:Canvas>
</mx:TabNavigator>
</mx:Application>
Thanks all for your assistance.

I think Ned is on the right track, but the specific form of
the command may be off. If the ProgressEvent handler is defined on
MC_Holder_Image, then the command to get the
MC_Holder_Preload_TextField object should be something like:
var oTextField:TextField =
this.parent.parent.MC_Holder_Preload.getChildByName(childname);
oTextField.text = "some text";
The first "parent" references MC_Holder_Sprite, the second
MC_Holder. If there are several instances of MC_Holder_Preload,
then the above would have to be modified to account for that by
first using the getChildByName method to acquire the appropriate
instance like so:
var oMC:MovieClip =
this.parent.parent.getChildByName(HolderPreloadName);
var oTextField:TextField = oMC.getChildByName(TextFieldName);
Hope this (a) makes sense, (b) helps and (c) actually works.
Regards
Dave Spaar

Help with Dynamic Dashboard Application

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