Simple JFormatted Feild example

Hello every body
i need a very simple JFormatted Feild exapmle which also check the that the data input is valid or not. ill be very thankful for the help.
zerocool

Have you read the API?
Have you read the Swing tutorial?
Have you searched the forum for examples?
If you need further help then you need to create a "Short, Self Contained, Compilable and Executable, Example Program (SSCCE)",
see http://homepage1.nifty.com/algafield/sscce.html,
that demonstrates the incorrect behaviour, because I can't guess exactly what you are doing based on the information provided.
Don't forget to use the "Code Formatting Tags",
see http://forum.java.sun.com/help.jspa?sec=formatting,
so the posted code retains its original formatting.

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hi,
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Hi all,
I am trying out this example.
[Simple Input Form|https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/uuid/837d9290-0201-0010-1381-e633fe17cb14]
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A Simple Input Form 25
SAP Online Help
this.checkDateInPast(IPrivateForm.IContextElement.BIRTHDAY);
this.checkDesired(IPrivateForm.IContextElement.E_MAIL_ADDRESS);
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Hi,
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jaxp-api.jar
jaxb-api.jar
jaxp-api.jar
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Can u give the step that u hav done? & the code plz..?
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Steve Bird
Culverson Software - Elegant software that is a pleasure to use.
Culverson.com
Blog for (mostly LabVIEW) programmers: Tips And Tricks
Attachments:
Spawning.llb ‏39 KB

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Regards,
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Hello Peter!
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THANKS !!!
Most Excellent !
I downloaded the SDK and this is exactly what I was looking for...
If you have time... would you take a look at my other posts... as I have a few customizations that I would like to implement.

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Folks, I have a below XML stored within table, column type XMLTYPE.
I would like to extract all data from it by using some simple query + later insert returned rows into some dummy table.
This should be an easy task for somebody who is using XML on daily basis.
<env:Envelope xmlns:env='http://schemas.xmlsoap.org/soap/envelope/'>
<env:Header></env:Header>
<env:Body>
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        <vehicleInfos>
          <displayName>TRUCK 1</displayName>
          <vehicleId>
            <id>15631444</id>
          </vehicleId>
        </vehicleInfos>
        <vehicleInfos>
          <displayName>TRUCK 2</displayName>
          <vehicleId>
            <id>1564652</id>
          </vehicleId>
        </vehicleInfos>
        <vehicleInfos>
          <displayName>TRUCK 3</displayName>
          <vehicleId>
            <id>15634543</id>
          </vehicleId>
        </vehicleInfos>
      </result>
    </ns1:getVehiclesResponse>
</env:Body>
</env:Envelope>XML is stored in table TEST_XML column XML_DATA:
select ...
           extract(dr.response_env, '//result/vehicleInfos/displayName/text()').getStringVal()
   from TEST_XMLI would like to extract all nodes from <result> through some query.
Kind regards,
Tomas

the "extract" function is deprecated from 11g. You'd be better using XMLTABLE...
e.g.
SQL> ed
Wrote file afiedt.buf
1 WITH t as (select XMLTYPE('
2 <RECSET xmlns:aa="http://www.w3.org">
3    <aa:REC>
4      <aa:COUNTRY>1</aa:COUNTRY>
5      <aa:POINT>1800</aa:POINT>
6      <aa:USER_INFO>
7        <aa:USER_ID>1</aa:USER_ID>
8        <aa:TARGET>28</aa:TARGET>
9        <aa:STATE>6</aa:STATE>
10        <aa:TASK>12</aa:TASK>
11      </aa:USER_INFO>
12      <aa:USER_INFO>
13        <aa:USER_ID>5</aa:USER_ID>
14        <aa:TARGET>19</aa:TARGET>
15        <aa:STATE>1</aa:STATE>
16        <aa:TASK>90</aa:TASK>
17      </aa:USER_INFO>
18    </aa:REC>
19    <aa:REC>
20      <aa:COUNTRY>2</aa:COUNTRY>
21      <aa:POINT>2400</aa:POINT>
22      <aa:USER_INFO>
23        <aa:USER_ID>3</aa:USER_ID>
24        <aa:TARGET>14</aa:TARGET>
25        <aa:STATE>7</aa:STATE>
26        <aa:TASK>5</aa:TASK>
27      </aa:USER_INFO>
28    </aa:REC>
29 </RECSET>') as xml from dual)
30 -- END OF TEST DATA
31 select x.country, x.point, y.user_id, y.target, y.state, y.task
32 from t
33      ,XMLTABLE(XMLNAMESPACES('http://www.w3.org' as "aa"),
34                '/RECSET/aa:REC'
35                PASSING t.xml
36                COLUMNS country NUMBER PATH '/aa:REC/aa:COUNTRY'
37                       ,point   NUMBER PATH '/aa:REC/aa:POINT'
38                       ,user_info XMLTYPE PATH '/aa:REC/*'
39               ) x
40      ,XMLTABLE(XMLNAMESPACES('http://www.w3.org' as "aa"),
41                '/aa:USER_INFO'
42                PASSING x.user_info
43                COLUMNS user_id NUMBER PATH '/aa:USER_INFO/aa:USER_ID'
44                       ,target NUMBER PATH '/aa:USER_INFO/aa:TARGET'
45                       ,state   NUMBER PATH '/aa:USER_INFO/aa:STATE'
46                       ,task    NUMBER PATH '/aa:USER_INFO/aa:TASK'
47*              ) y
SQL> /
   COUNTRY      POINT    USER_ID     TARGET      STATE       TASK
         1       1800          1         28          6         12
         1       1800          5         19          1         90
         2       2400          3         14          7          5
SQL>Have a go at applying that to your own XML, passing your own XMLTYPE data into the XMLTABLE and specifying your own Xquery paths
(I provided you with an example with namespaces in it as they can be tricky too)

Trouble with simple Query by Example

Hey all, I am well aware that similar topics are all over the forums. I've exhausted myself fishing around for just the right thread.
I am new to APEX. I have this book "Easy Oracle HTML-DB". It is somewhat helpful, but its examples are hard to follow - possibly because the product keeps moving along.
I have a simple single table listing report. I wanted to add some selection criteria and was attempting to do so in a new region on the same page as outlined in this book. I added a few text fields and tied them into the query without issue. To submit the criteria, I added a "Go" button (just like the book says) and tied a "Reset Pagination" process to it.
The book example doesn't specify button branching conditions. Without any though, clicking "Go" causes an error: "ERR-1777: Page XX provided no page to branch to." . So I added a branch back to the same page. Now it appears to be working, but it resets all my selection field values and runs the same report over again.
I think a workaround is simply to put the criteria in a separate page altogether. I'm just about resigned to taking this approach. It sure looks like people do this all the time though. What did I miss ?
Thanks in advance,
Snake

Rene said: "It's also nice to add : onKeyPress="checkEnter(event)"
to the HTML Form Element Attributes of the items in the search region. This way you can also start the search by pressing Enter in the item."
Hi Rene,
I'd like to include the feature, but the action is no different with or without this attribute. When you press enter, it just stays there in the field.
Nice to note though that most every behavior I've checked is the same whether using Firefox or IE. I like browser independence.
Snake

Simple MVC desktop example wanted

Hi,
I've been looking and can't find a good example of MVC in a desktop application. I don't mean MVC as it is used in component development (I've seen some examples relating to Swing and Buttonmodels, for instance), but more business-object level. I'm not a Java or Swing expert, but I have been programming for a while and and am pretty comfortable writing non-UI Java classes and simple Swing apps. But I want to know how to do this right.
Here's the simplest example I can think of to explain my confusion:
Suppose I have a class called Customer with fields FirstName and LastName. Suppose further I want to create a desktop GUI that allows the customer to edit that model in two separate windows in such a way that changes in one edit window are immediately reflected in the other, and I want clean separation of presentation and logic.
The example doesn't have to be in Swing, but it shouldn't require a server.
Thanks for any help you can give on this - and, if this isn't the right place to post this query, I'd appreciate a pointer to a more appropriate forum.

There are many ways but here is a simple example of how I do it.
******************************* CustomerModel.java
import java.beans.PropertyChangeSupport;
import java.beans.PropertyChangeListener;
public class CustomerModel
    /** Change Support Object */
    private PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(this);
    /** bound property names */
    public static final String FIRST_NAME_CHANGED = "firstname";
    public static final String LAST_NAME_CHANGED = "lastname";
    /** First Name Element */
    private String firstName;
    /** Last Name Element */
    private String lastName;
    /** Blank Constructor */
    public CustomerModel()
        super();
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     * sent to all listeners of this property
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    public void setFirstName(String newFirstName)
        String oldFirstName = this.firstName;
        this.firstName = newFirstName;
        propertyChangeSupport.firePropertyChange(FIRST_NAME_CHANGED, oldFirstName, newFirstName);
     * @return String
    public String getFristName()
        return firstName;
     * Sets the last name element. If value changed a notification is
     * sent to all listeners of this property
     * @param newFirstName String
    public void setLastName(String newLastName)
        String oldLastName = this.lastName;
        this.lastName = newLastName;
        propertyChangeSupport.firePropertyChange(LAST_NAME_CHANGED, oldLastName, newLastName);
     * @return String
    public String getLastName()
        return lastName;
    /** Passthrough method for property change listener */
    public void addPropertyChangeListener(String str, PropertyChangeListener pcl)
        propertyChangeSupport.addPropertyChangeListener(str, pcl);
    /** Passthrough method for property change listener */
    public void removePropertyChangeListener(String str, PropertyChangeListener pcl)
        propertyChangeSupport.removePropertyChangeListener(str, pcl);
}******************************* CustomerFrame.java
import javax.swing.*;
import java.awt.event.*;
import java.awt.GridLayout;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeEvent;
public class CustomerFrame extends JFrame implements ActionListener, PropertyChangeListener
    /** Customer to view/control */
    private CustomerModel customer;
    private JLabel firstNameLabel = new JLabel("First Name: ");
    private JTextField firstNameEdit = new JTextField();
    private JLabel lastNameLabel = new JLabel("Last Name: ");
    private JTextField lastNameEdit = new JTextField();
    private JButton updateButton = new JButton("Update");
     * Constructor that takes a model
     * @param customer CustomerModel
    public CustomerFrame(CustomerModel customer)
       // setup this frame
       this.setName("Customer Editor");
       this.setTitle("Customer Editor");
       this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
       this.getContentPane().setLayout(new GridLayout(3, 2));
       this.getContentPane().add(firstNameLabel);
       this.getContentPane().add(firstNameEdit);
       this.getContentPane().add(lastNameLabel);
       this.getContentPane().add(lastNameEdit);
       this.getContentPane().add(updateButton);
       // reference the customer locally
       this.customer = customer;
       // register change listeners
       this.customer.addPropertyChangeListener(CustomerModel.FIRST_NAME_CHANGED, this);
       this.customer.addPropertyChangeListener(CustomerModel.LAST_NAME_CHANGED, this);
       // setup the initial value with values from the model
       firstNameEdit.setText(customer.getFristName());
       lastNameEdit.setText(customer.getLastName());
       // cause the update button to do something
       updateButton.addActionListener(this);
       // now display everything
       this.pack();
       this.setVisible(true);
     * Update the model when update button is clicked
     * @param e ActionEvent
    public void actionPerformed(ActionEvent e)
        customer.setFirstName(firstNameEdit.getText());
        customer.setLastName(lastNameEdit.getText());
        System.out.println("Update Clicked " + e);
     * Update the view when the model has changed
     * @param evt PropertyChangeEvent
    public void propertyChange(PropertyChangeEvent evt)
        if (evt.getPropertyName().equals(CustomerModel.FIRST_NAME_CHANGED))
            firstNameEdit.setText((String)evt.getNewValue());
        else if (evt.getPropertyName().equals(CustomerModel.LAST_NAME_CHANGED))
            lastNameEdit.setText((String)evt.getNewValue());
}******************************* MainFrame.java
import javax.swing.JFrame;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JButton;
public class MainFrame extends JFrame implements ActionListener
    /** Single customer model to send to all spawned frames */
    private CustomerModel model = new CustomerModel();
    /** Button to click to spawn new frames */
    private JButton newEditorButton = new JButton("New Editor");
    /** Blank Constructor */
    public MainFrame() {
        super();
    /** Create and display the GUI */
    public void createAndDisplayGUI()
        this.setName("MVC Spawner");
        this.setTitle("MVC Spawner");
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.newEditorButton.addActionListener(this);
        this.getContentPane().add(newEditorButton);
        this.pack();
        this.setVisible(true);
    /** Do something when the button is clicked */
    public void actionPerformed(ActionEvent e)
        new CustomerFrame(model);
     * Creates the main frame to spawn customer edit frames from.
     * @param args String[] ignored
    public static void main(String[] args) {
        MainFrame mainframe = new MainFrame();
        mainframe.createAndDisplayGUI();
}

Simple Network Streams - Example VIs

In the example VI: Simple Network Streams - Host.vi the receive loop has a choice two timers: 10 and 20 milliseconds. In addition the Read Single Element from Stream VI has a timeout of 100 milliseconds connected to it.
In Simple Network Streams - Target.vi the receive loop has no timer, but the Read Single Element from Stream VI has a timeout of 1000 milliseconds connected.
How can the target receive loop work without a timer? What is the purpose of the 100 millisecond timeout of the Host receive loop if the loop has a timer of at most 10 milliseconds? I have this example working on my cRIO-9030, but I don't understand it. I think this gets down to my lack of understanding of the timeout function of reads and writes for streams and FIFOs. Does the VI sleep until just before the timeout to check for data, or does it hog the processor the entire time looking for data? It doesn't seem to be the latter since the processors on the target are only partially occupied in this example.

gary_janik wrote:
In the example VI: Simple Network Streams - Host.vi the receive loop has a choice two timers: 10 and 20 milliseconds. In addition the Read Single Element from Stream VI has a timeout of 100 milliseconds connected to it.
In Simple Network Streams - Target.vi the receive loop has no timer, but the Read Single Element from Stream VI has a timeout of 1000 milliseconds connected.
How can the target receive loop work without a timer? What is the purpose of the 100 millisecond timeout of the Host receive loop if the loop has a timer of at most 10 milliseconds? I have this example working on my cRIO-9030, but I don't understand it. I think this gets down to my lack of understanding of the timeout function of reads and writes for streams and FIFOs. Does the VI sleep until just before the timeout to check for data, or does it hog the processor the entire time looking for data? It doesn't seem to be the latter since the processors on the target are only partially occupied in this example.
First of all, where is this example? You didn't post the code, and I didn't find it in the LabVIEW Examples, so it's difficult to explain "invisible" code.
However, "sight-unseen", I may be able to explain some of your issues. If you think about Network Streams as a Producer/Consumer pattern "across the network", the Consumer (the receive loop) might not need a timer, as it is being "driven" (and hence "timed") by the Producer sending data to it. It probably should have a time-out just in case the Consumer just stops sending (say, it exits).
Functions such as dequeues and receives "block" and don't do anything if they have no input. Recall that LabVIEW uses data flow, and can have multiple parallel processes (loops) running at the same time. When a function blocks, the code section (let's call it a "loop") containing the function stops using CPU cycles, allowing the other parallel loops to use the time. This lets processes run "at their own speed" as long as they are sufficiently "decoupled" by being placed in parallel loops. When there is no data, the loop essentially "waits", and lets all the other loops use the time instead.
Bob Schor

Simple JFormatted Feild example

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