JavaFX :: Editable And Saveable Database
Jul 22, 2014
I am rather new to Java and to Javafx, I was able to make my program work to a point. I would like the file that is opened to appear in the editor tab and other files I open to appear in the viewer tab if they are not being edited. From what I have looked up I think that the HTML text editor might be the one for me the only question I have is how do I implement it and the file chooser ( because I think that would work).
package data.base;
import javafx.application.Application;
import static javafx.application.Application.launch;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
[Code] .....
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Feb 8, 2014
When I click on a row in a JTable, I want to have a row appear above it. For now I'm just making that row be a duplicate of the row I clicked on, but eventually this will be some sort of previous history of that row, so as you are editing the row you actually clicked on you can look directly above it and see what the data used to look like.
I"m not having any problem creating the row, nor am I having an issue getting it positioned correctly. What I want to do with this added row is made it so you can't edit the entire row, and also really make this row stand out. I'd like to say make this row stand out or "POP" so to speak so there is no confusing what it is. I'd almost like to make it look like the row header or even better... Most of what I am seeing are ways to make particular cells uneditable, so I think my backup plan is that, but Is there a good way to do what I described?
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Jul 10, 2014
I'm having a hard time finding out the way to make JTextField editable. In what circumstances it can be disabled to write? [even the text in the field can't be selected, not to mention being uneditable. I did the followings to make it editable.
1. In its Properties panel(frame or whatever), checked the "editable" item.
2. In the code I made it run the code below :
void makeFieldsEditable(Boolean flag) {
Left_Name_field.setEditable(flag);
Left_Name_field.setEnabled(flag);
...
}
Is it related with the properties of the control(JTextField)'s surrounding panel, or even the largest containing frame? Using Netbeans ....
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Oct 11, 2014
When I have a datatable of primefaces with paginator and its only readable and not editable, its not needed to be inside of a form, right? although I have seen it many times inside of it
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Jun 5, 2014
I'm new in JavaFX world. I'm going to write an application using FXML and this application will use embedded database. Is there any tutorial or example showing how to connect FXML (using controller as I expect) with database. I'm using Hibernate with classic JAva - is it possible to work with Hibernate with JavaFX?
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Dec 9, 2014
i have a table UI and want it to be to be in sync with tabledata in the database... How can i go about it?
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Mar 7, 2014
I remember, it's possible to collect multiple parameters from each line in a .txt file (with commas used as delimiters to separate each parameter on each line). My EmployeeData.txt file looks like this:
EDR2014,Bob,Marley,02/12/2011,1000.00
ARR1234,John,Fuzzy,03/23/2013,12.00
XXX0666,Matt,Pagel,08/10/2011,23.00
DIE4273,John,McLane,07/22/1995,45.00
FUK0330,Kevin,Young,12/02/2003,7.00
NFN7734,Sam,Peterson,08/01/1999,8.00
the parameters of each line are: employeeNum, firstName, lastName, hireDate, payRate
To match the specifications in the following EmployeeInfo.java class:
Java Code:
package employeepunch;
//import org.joda.time.DateTime;
import java.io.*;
public class EmployeeInfo {
[code]...
The validation of making sure the employee uses the correct format while entering his employee number is just the first part. I also need to add validation code to make sure his employee number matches one of the ones in the EmployeeData.txt file (shown earlier above).
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Apr 23, 2014
i'm new withh java netbeans, and i want to make program where variable from database. how to get value from database to use in variable/
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Jan 4, 2015
I am trying out jsp and servlets now for the first time. I have to insert two data, car code and car name into a mysql table. I got those details using jsp but if I use form, it redirects to another page for insertion. I want the data to be inserted and still remain in same jsp page. I am thinking of using onClick from javascript but as I googled this many places have said it is a bad idea to use jsp inside javascript. If so how can we insert data to mysql table without redirecting to another page?
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Apr 8, 2014
This is a general question about best practices for handling persisted data in JSF. My JSF page is going to have several fields that map to a managed bean. Upon a button click the fields of this bean are going to be persisted in a database. Is it better to use another bean with application scope to handle the JDBC code, or should I have a method in the bean itself to handle that? Similarly I'll need a method to retrieve the information upon a user request.
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Mar 10, 2014
I've got another project for a course and am stuck. I've debugged and tried to figure out where it is breaking, but I just can't find it. I've used this connection code block as well as the contstructors before, but this just won't work. I've got a tab that should send all of the information to a MySql database upon the click of 'Add Employee'. I've given my connection string, the addEmployee(); code, and if needed I can include the subclass code. I've got a superclass 'Employee' and a subclass 'Salaried' that uses four attributes from 'Employee'.
private void btnAddActionPerformed(java.awt.event.ActionEvent evt) {
addEmployee();
}
public void addEmployee() {
int socialSecurity = 0;
boolean error = false;
[code]....
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Nov 17, 2014
I have done 90% of the coding however i am stuck with producing the output, i just cant get the user fields to show.
I have attached a picture of the output that is required. The program consists of two classes i have attached the database class, and have inserted my coding below.
import java.sql.*;
import java.io.*;
import java.util.*;
public class QueryDB {
private Connection con = null;
String userID,
[Code] ...
Attached image(s)
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Feb 28, 2015
I cannot restore my database that was backup already. This is my code . . .
public boolean restoreDB(String dbUserName, String dbPassword, String source) {
String[] executeCmd = new String[]{"C:Program Files (x86)MySQLMySQL Server 5.1inmysql.exe",
"--user=" + dbUserName, "--password=" + dbPassword,"-e", "source "+source};
Process runtimeProcess;
try {
runtimeProcess = Runtime.getRuntime().exec(executeCmd);
int processComplete = runtimeProcess.waitFor();
[Code] .....
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Jan 6, 2014
I am relatively new to Java and I am only beginning to learn about SQL. I have some basic's down but I have been wondering is there a way that I can add data to my database using loops instead of having to physically code every row/column individually ?
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Jan 15, 2015
I was wondering if I could take the following code and somehow put the connection to database in it's own class without the "public static void main(String[] args)" method. That way I could call it anytime i want to open a connection to the database.
Java Code:
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class Sample {
public static void main(String[] args) throws ClassNotFoundException
[Code] ....
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Sep 3, 2014
how can i stop this loop(while (res.next() )
example: i hava a table conex wich i inser on it two columns name and password i fill it by
name : yosra password : lol
name : najeh password :mdr
i don't know when i fill jTextfield of password and name correctly for ewp i put yosra as name and password as lol the loop continue to the next row and i show the two message dialog on netbeans about correct acces and refused access and the frame of my chatroom is opened
private void jButton1MouseClicked(java.awt.event.MouseEvent evt) {
// TODO add your handling code here:
String pass=new String(this.pass.getPassword());
String nam=this.name.getText();
acceder(nam,pass);
[code]....
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Mar 17, 2014
I want to add this image to database how can i do.
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Dec 15, 2014
Creating web application which needs to work online and offline as well with database. There is chances of using the application in offline when there is no internet connection. The application going to be used for getting inputs for some inspection process which may happened remote areas as well.
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Jun 9, 2014
How can I get id from db table for each column values with java or oracle query? I did get before each column content from file and now i need get the id of this column values from db. I read csv files from folder and then load the data from these files into subfolder, and here with line li = line.split(","); I get the values that i have in csv file and split them and become in li the value name, and then in else block i create a P objekt where i set this values from csv files, and with [I]p.setLid(li); I set the value for all valuenames, and then get these valuenames in separate column with other content from this csv.
My question is, i need to do this with db, and write these csv file values to the table in db (it will be done with another java class), what i need, that to write the ids of these values into the table in db, instead of valuename, and while there is no ids for valuenames in csv files, i need to get the id from the table in db where these are already listed with sequences, and i don't know how can i write in data table the id of this valuenames and other content, this data table should contain the ids of valuenames timestamp values and the ids of the csv files name, i don't know how to do this with the ids, i must get the ids from the db table and then set these on [I]p.setLid(li); where i set early the valuenames, instead of valuenames i should set ids, that will set ids automatically for all these valuenames.
Java Code:
try {
while ((line = br.readLine()) != null) {
if (lc == 0) {
li = line.split(",");
[Code] ....
with
Java Code : li = line.split(","); mh_sh_highlight_all('java');
I got the values that then will be given to [I]p.setLid(li); and iterate, but now i want to get id from the table in db where this values stored with id instead of this column values, how can i do it?
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Feb 27, 2014
I am using mysql database and I have downloaded the library also I have managed to get the database connection and query working. I need to know if I need to create separate classes to add/remove/edit items and view items? Do I need to put my database connection script in every class that I create or should I create methods for both the connection and the queries that will be called in the additional classes or methods that I have?
Below is what I have written so far and it is working, I will change the database and query soon to reflect the task I need to do because I have followed a tutorial.
Java Code:
/**
* cdCollection.java
*/
package org.com.mm00422_prototype;
//Import for the SQL package
import java.sql.*;
//Registering the JDBC driver
//Class.forName("com.mysql.jdbc.Driver");
[code]....
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Sep 3, 2014
I'm building an application to save times that I've worked, being build in java. Now. I've made a testdatabse to test if everything works till now. Here is the code of testdatabse
package Controller;
import java.sql.SQLException;
import org.joda.time.DateTime;
import org.joda.time.LocalDate;
import org.joda.time.LocalDateTime;
import org.joda.time.LocalTime;
[Code] ....
what I can't figure out is how to insert a test localtime or DateTime into the database.
Here is my model
package Model;
import java.io.Serializable;
import javax.swing.JTextArea;
import org.joda.time.DateTime;
import org.joda.time.LocalDate;
import org.joda.time.LocalDateTime;
import org.joda.time.LocalTime;
public class TimeModel implements Serializable {
[Code] .....
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Dec 31, 2014
I have a vps set up to running a MySQL database already by zpanel but when I try to connect to the database with Java I am unable to connect and receive the message:
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server."
I have MySQL Connector(dev.mysql.com/downloads/connector/j) already added to my build and tried it with both the url and the ip. This is my connection code:
package net;
import java.sql.*;
import javax.swing.JOptionPane;
public class LoginDatabaseConnection {
Connection conn = null;
[Code] ....
The code is from youtube but when I connect to localhost it works fine however when I try to connect to the VPS the above error happens.
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Apr 22, 2014
i have build an login form with which a user can login to see next form ,login form is working perfectly but whenever a user enters a wrong userid and clicks on login then nothing happens,i want that there a popup will be called and say wrong userid...
However when a user enters correct userid and wrong password then the popup is working but not when the user id itself wrong...
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Jan 13, 2014
I am trying to populate a Jlist for information stored on a database. The database contains football club names, but instead of being populated with their names it just has a hexadecimal reference ( Club@183357c4 ) for each club object.
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Mar 19, 2014
I want to make a database and use it in my java program. I am thinking of using MS Access database, although I m not very sure, sine I will have to use this data later in the SQL database as part of C# program.
How to start to create and use MS database in java program.
I have seen in one tutorial that the steps are:
1. Install your database management system (DBMS) if needed
2.Install a JDBC driver from the vendor of your database
but I am not familiar with this. Any example, or is this above compulsory?
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Oct 9, 2014
Im building a program that tracks overtime for employees. Basically there will be a list of employees. Number will be dynamic as different departments will have different amounts of employees.A user could pick the department from a JCombobox. E.g Quality Control. A Jtable will be populated with the employees from Quality Control.
The problem is this.
The way it will work is the list will be in a specific order. Whoever is at the top of the list will be asked if they want to do overtime. Then they will be moved to the back of the queue. If they do the work or not doesnt matter.How would i go about planning a system like this? Specifically creating a dynamic list that people can be moved up and down and stored persistently. URL...
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