DND Tables with JTextField Editors Mouse Problem
Hello!
I am trying to be able to drag and drop between two tables and within a table and also use a TextArea as the editor of the cells. I am having the following problem:
When I click on a cell both the drag_start and the cell is in editor mode so I
a. created a MouseDragGestureRecognizer MyDGR and set dragSource.createDragGestureRecognizer(MyDGR.class() ,this,DnDConstants.ACTION_COPY_OR_MOVE,this) in my DNDTable class.
This did not run mouseDragged function but when I added a MouseMotionListener in the registerListeners function it called that mouseDragged function even when I just clicked on a cell.
b. In "class TextAreaEditor extends DefaultCellEditor", I have set clickCountToStart to 2.
I would like to be able to double click and go into editing mode in the cell and if I click and hold then I would like to enter DND mode.
Any help would be appreciated =)
I have created my own TextField and TextArea classesUse better names to avoid confusion with the AWT TextField and TextArea components.
Can anyone tell me why this may be happening?No, because we don't know what custom changes you have made to the components.
If you need further help then you need to create a [url http://homepage1.nifty.com/algafield/sscce.html]Short, Self Contained, Compilable and Executable, Example Program (SSCCE) that demonstrates the incorrect behaviour, because I can't guess exactly what you are doing based on the information provided.
And don't forget to use the [url http://forum.java.sun.com/help.jspa?sec=formatting]Code Formatting Tags so the code retains its original formatting.
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Thanks for u'r reply
I tried in so many ways.
I tried with u'r editor,and sun forum examples also.
I brief what i want.
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Hello,
I have a wierd problem with JTextField and the memory.
I need to fill a JPanel with different Components (including JTextFields), then do some calculation, remove the Components and filling the JPanel again.
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import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
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import java.lang.management.MemoryUsage;
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import javax.swing.JPanel;
import javax.swing.JTextField;
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}Message was edited by:
marcvomorcThank you for your answer,
In this sample the programm does not run out of memory. But when you look at the output you see, that in the first run (direct call) the memory ist freed immediately when tha panel is cleared but in the second run (from the Button) the memory usage is getting bigger and bigger. Wenn you change the number of components to 2000 (4000)
// Fill Panel with components
for (int i = 0; i < 2000; i++) {
// The Buttons seem to be released without any problem
//... ...and use the default memory settings (69mb heap) the programm runns out of memory.
I get the following output:
------------------ Direct Call (all is OK) -------------------
Memory Usage: 445504 -> 8121016 [ Used: 7675512 ] [ Freed: -445504]
Memory Usage: 617352 -> 8114336 [ Used: 7496984 ] [ Freed: 7503664]
Memory Usage: 810488 -> 8491768 [ Used: 7681280 ] [ Freed: 7303848]
Memory Usage: 943704 -> 8114976 [ Used: 7171272 ] [ Freed: 7548064]
Memory Usage: 836760 -> 8505072 [ Used: 7668312 ] [ Freed: 7278216]
Memory Usage: 978352 -> 8114784 [ Used: 7136432 ] [ Freed: 7526720]
Memory Usage: 835552 -> 8498288 [ Used: 7662736 ] [ Freed: 7279232]
Memory Usage: 977096 -> 8114312 [ Used: 7137216 ] [ Freed: 7521192]
Memory Usage: 835640 -> 8498376 [ Used: 7662736 ] [ Freed: 7278672]
Memory Usage: 977296 -> 8115000 [ Used: 7137704 ] [ Freed: 7521080]
Memory Usage: 835392 -> 8504872 [ Used: 7669480 ] [ Freed: 7279608]
Memory Usage: 976968 -> 8115192 [ Used: 7138224 ] [ Freed: 7527904]
Memory Usage: 836224 -> 8501624 [ Used: 7665400 ] [ Freed: 7278968]
Memory Usage: 977840 -> 8115120 [ Used: 7137280 ] [ Freed: 7523784]
Memory Usage: 835664 -> 8498256 [ Used: 7662592 ] [ Freed: 7279456]
Memory Usage: 976856 -> 8114384 [ Used: 7137528 ] [ Freed: 7521400]
Memory Usage: 835784 -> 8502848 [ Used: 7667064 ] [ Freed: 7278600]
Memory Usage: 977360 -> 8114592 [ Used: 7137232 ] [ Freed: 7525488]
Memory Usage: 835496 -> 8502720 [ Used: 7667224 ] [ Freed: 7279096]
Memory Usage: 976440 -> 8115128 [ Used: 7138688 ] [ Freed: 7526280]
------------ Call from Dialog (memory is not freed) -------------
Memory Usage: 866504 -> 8784320 [ Used: 7917816 ] [ Freed: -866504]
Memory Usage: 7480760 ->14631152 [ Used: 7150392 ] [ Freed: 1303560]
Memory Usage: 14245264 ->22127104 [ Used: 7881840 ] [ Freed: 385888]
Memory Usage: 19302896 ->27190744 [ Used: 7887848 ] [ Freed: 2824208]
Memory Usage: 27190744 ->35073944 [ Used: 7883200 ] [ Freed: 0]
Memory Usage: 31856624 ->39740176 [ Used: 7883552 ] [ Freed: 3217320]
Memory Usage: 39740176 ->47623040 [ Used: 7882864 ] [ Freed: 0]
Memory Usage: 44410480 ->52293864 [ Used: 7883384 ] [ Freed: 3212560]
Memory Usage: 52293864 ->58569304 [ Used: 6275440 ] [ Freed: 0]
Memory Usage: 58569304 ->64846400 [ Used: 6277096 ] [ Freed: 0]
Exception occurred during event dispatching:
java.lang.OutOfMemoryError: Java heap spacewhen I outcomment the adding of the JButtons the amount of freed memory is 0 in the second run. So my guess is, that there is a problem with freeing the memory for the JTextFields.
Memory Usage: 447832 -> 6509960 [ Used: 6062128 ] [ Freed: 6332768]
Memory Usage: 722776 -> 6785632 [ Used: 6062856 ] [ Freed: 5787184]
------------ Call from Dialog (memory is not freed) -------------
Memory Usage: 468880 -> 6770240 [ Used: 6301360 ] [ Freed: -468880]
Memory Usage: 6770240 ->13016264 [ Used: 6246024 ] [ Freed: 0]
Memory Usage: 13016264 ->19297080 [ Used: 6280816 ] [ Freed: 0]
Memory Usage: 19297080 ->25570152 [ Used: 6273072 ] [ Freed: 0]
Memory Usage: 25570152 ->31849160 [ Used: 6279008 ] [ Freed: 0]
Memory Usage: 31849160 ->38124368 [ Used: 6275208 ] [ Freed: 0]
Memory Usage: 38124368 ->44402072 [ Used: 6277704 ] [ Freed: 0]
Memory Usage: 44402072 ->50677928 [ Used: 6275856 ] [ Freed: 0]
Memory Usage: 50677928 ->56955880 [ Used: 6277952 ] [ Freed: 0]
Memory Usage: 56955880 ->63232152 [ Used: 6276272 ] [ Freed: 0]
Exception occurred during event dispatching:
java.lang.OutOfMemoryError: Java heap spaceAdditionally the JPanel I am using is not displayed on the screen. It stays invisible the whole time, but i cannot work around that, because the calculation is depending on the values being in components on the JPanel)
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Any suggestion will be appreciated!
Thanks in advance.Pl identify the source and target OS versions. Are there any useful messages in the alert.log ? How long did the export take ? Rule of thumb states import will take twice as long. Have you tried expdp/impdp instead ? Also see the following -
How To Diagnose And Troubleshoot Import Or Datapump Import Hung Scenarios (Doc ID 795034.1)
How To Find The Cause of a Hanging Import Session (Doc ID 184842.1)
Import is Slow or Hangs (Doc ID 1037231.6)
Export and Import of Table with LOB Columns (like CLOB and BLOB) has Slow Performance (Doc ID 281461.1)
HTH
Srini -
ORA-00600 problem when create XMLType table with registerd schema
Hi,
I am using Oracle9i Enterprise Edition Release 9.2.0.4.0 on RedHat Linux 7.2
I found a problem when I create table with registered schema with follow content:
<xs:element name="body">
<xs:complexType>
<xs:sequence>
</xs:sequence>
<xs:attribute name="id" type="xs:ID"/>
<xs:attribute name="class" type="xs:NMTOKENS"/>
<xs:attribute name="style" type="xs:string"/>
</xs:complexType>
</xs:element>
<xs:element name="body.content">
<xs:complexType>
<xs:choice minOccurs="0" maxOccurs="unbounded">
<xs:element ref="p"/>
<xs:element ref="hl2"/>
<xs:element ref="nitf-table"/>
<xs:element ref="ol"/>
</xs:choice>
<xs:attribute name="id" type="xs:ID"/>
</xs:complexType>
</xs:element>
Does Oracle not support element reference to other element with dot?
For instance, body -> body.content
Thanks for your attention.Sorry, amendment on the schema
<xs:element name="body">
<xs:complexType>
<xs:sequence>
<xs:element ref="body.head" minOccurs="0"/>
<xs:element ref="body.content" minOccurs="0" maxOccurs="unbounded"/>
<xs:element ref="body.end" minOccurs="0"/>
</xs:sequence>
<xs:attribute name="id" type="xs:ID"/>
<xs:attribute name="class" type="xs:NMTOKENS"/>
<xs:attribute name="style" type="xs:string"/>
</xs:complexType>
</xs:element> -
Problem creating Allocation Table with Reference to a PO
Dear Folks,
I am having problems creating an allocation table with reference to a PO in T-code WA01.
I read the SAP help that some prerequisites need to exist:
==> You can only reference order items flagged as being relevant to a stock split (the Allocation table relevant indicator in the additional item data).
Can anyone advice me where to find this stock split indicator?
Also, can anyone advice me how to reuse an allocation table? For example, I had previously created an allocation table with many articles and various allocation rules. I already generated follow on documents for this table.
Say after 2 weeks, I have the similar requirements that I can make use of the same table, only with minor adjustments to the quantity. How do I create a new allocation table using the existing allocation table data?
Thanks and Regards
JunwenAny idea please?
thanks -
Problem with update of BLOB field in a table with compound primary key
Hi,
I've been developing an application in Application Express 3.1.2.00.02 that includes processing of BLOB data in one of the tables (ZPRAVA). Unfortunately, I've come across a strange behaviour when I tried to update value in a BLOB field for an existing record via a DML form process. Insert of a new record including the BLOB value is OK (the binary file uploads upon submiting the form without any problems). I haven't changed the DML process in any way. The form update process used to work perfectly before I'd included the BLOB field. Since than, I keep on getting this error when trying to update the BLOB field:
ORA-20505: Error in DML: p_rowid=3, p_alt_rowid=ID, p_rowid2=CZ000001, p_alt_rowid2=PR_ID. ORA-01008: not all variables bound
Unable to process row of table ZPRAVA.
OK
Some time ago, I've already created another application where I used similar form that operated on a BLOB field without problems. The only, but maybe very important, difference between both the cases is that the first sucessfull one is based on a table with a standard one-column primary key whereas the second (problematic one) uses a table with compound (composite) two-column PK (two varchar2 fields: ID, PR_ID).
In both cases, I've followed this tutorial: [http://www.oracle.com/technology/obe/apex/apex31nf/apex31blob.htm]).
Can anybody confirm my suspicion that Automatic Row Processing (DML) can be used for updating BLOB fields within tables with only single-column primary keys?
Thanks in advance.
ZdenekIs there a chance that the bug will be included in the next patch?No, this fix will be in the next full version, 3.2.
Scott -
Problem creating a table with a subquery and a dblink
Hello!!
I have a little problem. When I create a table with a subquery and a dblink, for example:
CREATE TABLE EXAMPLE2 AS SELECT * FROM EXAMPLE1@DBLINK
the table definition is changed. Fields with a type of CHAR or VARCHAR2 are created with a size three times bigger than the original table in the remote database. Field of type DATE and NUMBER are not changed. For example if the original table, in the database 1, has a field of type CHAR(1) it is create in the local database with a type of CHAR(3), and a VARCHAR2(5) field is created with VARCHAR2(15).
Database 1 has a WE8DEC character set.
Database 2 has a AL32UTF8 character set.
Could it be related to the difference in character sets?
What can I do to make Oracle use the same table definition when creating a table in this way?
Thanks!!That is related to character sets, and probably necessary if you want all the data in the remote table to be able to fit in the new table.
When you declare a column VARCHAR2(5), by default, you're allocating 5 bytes of storage. In a single-byte character set, which I believe WE8DEC is, that also happens to equate to 5 characters. In a multi-byte character set like AL32UTF8, though, 1 character may require up to 3 bytes of storage, so you'd need to allocate 15 bytes to store that data. That's what's going on here.
You could still store all the data if you create the table locally by explicitly requesting 5 characters of storage by declaring the column VARCHAR2(5 CHAR). You could also set the NLS_LENGTH_SEMANTICS parameter to CHAR rather than BYTE before creating the table, but I believe that both of these will only apply when you're explicitly defining columns as part of your CREATE TABLE. I don't believe either will apply to CTAS statements.
Justin
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