Controlling amount of rows in a jtextfield with jscrollpane

As part of a school assignment, I we have output going to a textfield that is scrolled with JScrollPane. Part of it is for when it comes to 400 lines, and another line is added, that the first line of the output is erased, and the new one is added. Are there simple methods of the API to do this, or should I perhaps store all the output in a string, use an int to count, and then substring it to the first \n ?
Thanks for the replies. Please dont give me direct answers, but help to find the answer, as I do not want to cheat.

While I did not do a SSCCE, mine is not overly complicated on output. The first part of this was building a console client to connect to a server. This part is adding a GUI to it, with a bit of extra functionality. My writeMessage method of the console did a System.out.println. It now does a output.setText(output.getText() + "\n"+ date + msg); msg being the String parameter in the method. output is the JTextArea I have, and is passed to my Client object.
The output works fine, its just trying to cut the first line out when max is reached. Just doing 20 lines for now. I tried adding this, but it started cutting more and more off the start of the text.
if(output.getLineCount() > 20) {
     try {
          int firstRow = output.getLineEndOffset(0);
          output.setText(output.getText().substring(0, firstRow));
     catch(BadLocationException e) {
          e.printStackTrace();
}Edited by: agm_ultimatex on Jun 29, 2009 12:35 PM

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HT1752 I am working on a chart in paged with 7 columns. Problem has occurred with amount of row. I have completed 999 rows and it won't allow me to continue. As I need to do approx 3000+ rows, can anyone explain to me how to add extra rows. Thanks Jane

I am working on a chart in pages with 7 columns.
Problem has occurred with amount of rows. I have completed 999 rows and it won't allow me to continue. As I need to do approx 3000+ rows, can anyone explain to me how to add extra rows. Thanks Jane

Try posting in the Pages forum
https://discussions.apple.com/community/iwork/pages

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Hi All!
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Control amount value based on payment terms in obb9 and me21n

Dear Sapgurus,
In OBB8 Create Payment Terms.
Create 4 Payment terms PT , PT1, PT2, PT3.
For the 1st one PT you select Installment Payment CheckBox.
For PT1, PT2 & PT3 give the no of days as per your requirement.
Go to OBB9 and assigned.
PT -- PT1 -- 20% (Document Date)
PT -- PT2 -- 50% (Posting date)
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Hi Sridhar,
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Hi all,
I need to add a checkbox control for each row of data on a DataModel object.
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Hi all,
I need to add a checkbox control for each row of data
on a DataModel object.
I have a "commandButton" at the bottom of DataModel,
and whenever someone checks some of the rows on that
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Return Set Amount Of Rows

Hello All,
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Statement 1 is faster - rownum criteria is used along with the last_name
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FIRST_NAME           LAST_NAME
Alana                Walsh
Alana                Walsh
Alana                Walsh
Alana                Walsh
Alana                Walsh
Alana                Walsh
Alana                Walsh
Alana                Walsh
Alana                Walsh
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Execution Plan
Plan hash value: 3151743630
| Id | Operation                    | Name | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT             |       |    "9"|   234 |    13   (0)| 00:00:01 |
|* 1 | COUNT STOPKEY               |       |       |       |            |          |
|   2 |   TABLE ACCESS BY INDEX ROWID| EMP2 | 5145 |   130K|    13   (0)| 00:00:01 |
|* 3 |    INDEX RANGE SCAN          | EMP2X |       |       |     3   (0)| 00:00:01 |
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          0 db block gets
        157 consistent gets
          8 physical reads
          0 redo size
        552 bytes sent via SQL*Net to client
        380 bytes received via SQL*Net from client
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          0 sorts (disk)
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Matthew              Weiss                              1
Alana                Walsh                              2
Jennifer             Whalen                             3
Matthew              Weiss                              4
Alana                Walsh                              5
Jennifer             Whalen                             6
Matthew              Weiss                              7
Alana                Walsh                              8
Jennifer             Whalen                             9
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Execution Plan
Plan hash value: 2594185790
| Id | Operation           | Name | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT    |      | "5145"|   195K|   619   (3)| 00:00:08 |
|* 1 | VIEW               |      | 5145 |   195K|   619   (3)| 00:00:08 |
|   2 |   COUNT             |      |       |       |            |          |
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        380 bytes received via SQL*Net from client
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          0 sorts (disk)
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Sap.ui.table.Table.addRow(): The control manages the rows aggregation. The method "addRow" cannot be used programmatically!

Hi there,
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Coding in Table-dbg.js
* @see JSDoc generated by SAPUI5 control API generator
sap.ui.table.Table.prototype.addRow = function() {
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Any ideas?
Regards
Tobias

Hi Tobias,
A row could be added to the model instead.
Below post might help.
Re: Adding 1 row to a table in SAPUI5 with local data(textfields etc...)
Thanks and Regards, Venkatesh

I am trying to insert rows for alert_id 22 with diff abc_id and xyz_id

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Sample proc like this::
Declare
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alert_cur
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Error inserting a row into a table with identity column using cfgrid on change

I got an error on trying to insert a row into a table with identity column using cfgrid on change see below
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    <cffunction name="cfn_MediaType_Update" access="remote">
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HT1947 Can I control the volume of my MacBook Pro with the remote app on my IPhone or IPad?

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Rounding Tax amount in row

Hi Experts,
One of our customer wants to round the tax amount in each row of marketing documents.
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We are using SAP Business One 2007B, PL13
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Thanks and Regards
Ajith G

Hi Ajith,
Tax Definition Functions.
Choose ->> Administration.
-> Setup.
-> Financials.
-> Tax.
-> Tax engine config.
Tax Code Determination.
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BizTalk 2006 Event Log Warnings - Cannot insert duplicate key row in object 'dta_MessageFieldValues' with unique index 'IX_MessageFieldValues'.

We have been seeing the following 'warnings' in the event log of our BizTalk machine since upgrading to BTS 2006. They seem to occur randomly 6 or 8 times per day.
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Edited by: Tejas Kantilal Pujara on May 21, 2008 8:54 AM

DataTemplate Not showing data but showing correct amount of rows

I just started using Datatemplates to convert our Answers Reports over to Publisher. Basicly I am using the direct SQL to BI Server method.
Copy the SQL from the advanced SQL field in BI Answers.
Place new SQL in DataTemplate
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Controlling amount of rows in a jtextfield with jscrollpane

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