Questions tagged as 'swing'

Tagged questions
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Resource JFrame Icons

Good afternoon. I'm having problems with my application. It executes with change of icon in JFrame . When compiling it to: "Runnable Jar file" and compile with: Launch4j for binary, the application simply does not open. I am changing...
asked by 29.03.2015 / 16:51
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JTable does not show column names

I made a JDialog that will show some statistics of the users who use the software, but I am not able to make the name of the columns appear. I tried adding it using .addColumn in the template but it is not working. class Estatisticas e...
asked by 27.03.2015 / 19:11
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Return names of selected items from a checkboxTree

How can I check which items are selected from a checkboxTree ? I've had to search and I know this code returns the last selected: DefaultMutableTreeNode node = (DefaultMutableTreeNode) checkboxTree1.getLastSelectedPathComponent();...
asked by 04.12.2014 / 18:44
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How to update a jTable that displays DB data after registering a new item?

I have a table (jTable) that displays all the data registered in a database. My table is populated every time the application is started through a WindowEvent, but when I make a new record in the database through another frame I can not get my j...
asked by 22.11.2014 / 18:51
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Using Napkin LookAndFeel

I'm using the Eclipse IDE and I have this code: package br.com.caelum.argentum.ui; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import javax.swing.JButton; import javax.swing.JFrame...
asked by 08.10.2014 / 01:22
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How to prevent moving the cursor in a jFormattedTextfield with mask?

I have a field formatted as follows: '### ### ###' When I click on the field that contains this mask sometimes the cursor stays in the middle or where I click. Example: '## | # ### ###' Is there any way to prevent the cursor from being...
asked by 31.10.2014 / 18:07
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Organization of the codes generated by WindowBuilder

I'm using WindowBuilder to draw the graphical interface, but there's one thing that's kind of boring in it, which is as follows. When I create a JLabel for example, it declares the JLabel inside the constructor, making me unable to use it direct...
asked by 23.07.2014 / 09:45
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Adjust image size with ImageIO Java

I would like to resize an image to be displayed on my jLabel. Here's my code: BufferedImage imagem; Icon novaImg; try { String newPath = "file:///" + aleat(); // carrega imagem aleatória imagem = ImageIO.read(new U...
asked by 16.06.2014 / 22:54
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Select and drag component Swing

I made an application that draws rectangles, points, lines, etc. I wanted that when the user clicks the mouse over a drawn polygon, you select the polygon and drag it to wherever you want on the screen, How to achieve that goal?     
asked by 29.01.2014 / 13:23
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How do I handle the JOptionPane.showMessageDialog () options?

How do I handle user choices in JOptionPane.showMessageDialog() ? For example, when the user chooses ok the program continues normally, if he chooses cancel the program executes another line of code.     
asked by 07.05.2014 / 16:59