I am trying to change the font of the text in a textarea in Swing. Which listener should I use on textarea to trigger an action that lets the program initiate the font code. All the examples have all the swing in the same class which lets you access the textarea directly, but I have multiple classes; I know I can pass the textarea in an...
Hi. If I use a JTextArea with MigLayout like this: MigLayout thisLayout = new MigLayout("", "[][grow]", "[]20[]"); this.setLayout(thisLayout); { jLabel1 = new JLabel(); this.add(jLabel1, "cell 0 0"); jLabel1.setText("jLabel1"); } { jTextArea1 = new JTextArea(); this.add(jTextArea1, "cell 0 1 2 1,growx"); jTextArea1.setText("j...
I am trying to implement a JScrollPane with a JTextArea. The JTextArea is being appended to, and I want the JScrollPane to keep scrolling down as more text is added. How can this be achieved? ...
I've got a JTextArea which has the following text "Text1 Text2 Text3". Is there a way I can make all of them different fonts? E.g. "Text1" is bold, "Text2" is italic and "Text3" is normal? I know I can create a Font object, however I can only apply it the JTextArea object. Thanks. ...
I want my JTextArea to resize itself (expand vertically) when the last line (that the text area's height can offer) is reached and the user wants to start a new line. You know, like the textbox in MSWord. I have an idea to use getLineCount() and determine (if necessary) the new height of the JTextArea. Do you have, or know of better app...
The derived classes I am using public class TextAreaRenderer extends JTextArea implements TableCellRenderer { public TextAreaRenderer() { setLineWrap(true); setWrapStyleWord(true); } public Component getTableCellRendererComponent(JTable jTable, Object obj, boolean isSelected, boolean has...
How can i keep no of rows constant in text area. I need to create a console window for my application. If rows exceeds predefined no of rows first rows must get disposed. As if first written row will be destroyed first when i append anything which exceeds no of rows set. One more thing , i need to keep vertical scroll bar. That means no...
Hello everyone, I have a jtextarea that is not editable. It has some text in it. What i want is that when a user clicks in the jtextarea, (preferably single click), the entire line be highlighted, and this highlighted text be retrieved. Each line actually has an email of the form [email protected]. To select the entire text would requi...
Hello, I'm having trouble getting a JTextArea to scroll. I'm not sure how you can mess up a JScrollPane but I seem to have and I just can't see it. It's all part of a larger project but the code below is how I'm creating a JTextArea and adding it to a JScrollPane. When you type beyond the edge of the text area the scrollbar doesn't appe...
I'm having problems passing information, updating progress and indicating "done" with a SwingWorker class that is not an encapsulated class. I have a simple class that processes files and directories on a hard drive. The user clicks on the Start button and that launches an instance of the SwingWorker. I would like to print the nam...
I have some code which takes a few minutes to process, it has to connect to the web for each string in a long array, each string is a url. I want to make it so that everytime it connects, it should refresh the jtextarea so that the user is not staring into a blank page that looks frozen for 20 min. or however long it takes. here is an ...
This is an exploratory query. I am wondering if the following is possible with JTextArea? Can I alter the text to bold (append text) and then back to normal and will it only display the bold text in bold and the rest as normal? Also can the contents of JTextArea be saved as a RTF document? Thank you. ...
Hi All, I'm currently working in Swing UI Assignment. This work involves showing large file content in JTextArea. The file size can be as large as 2 GB. My initial idea is to lazily load content from the file, say 1 MB of content will be shown to the user. As the user scrolls i will retrieve the next 1 MB of content to be shown. All th...
I'm looking to appends a character to a textarea in. I have a simple GUI designed to look like like a mobile phone and I want to be able to click on one of the buttons and update the textarea with that character. If I click another button, I want to be able to append that character to the first. How do I do this? Obviously right now it i...
Goodevening how can have a JTextArea like in netbeans (see the pic) my code of the JTextArea: JTextArea infoArea = new JTextArea(10,10); infoArea.setLineWrap(true); infoArea.setFont(police); infoArea.setForeground(Color.YELLOW); infoArea.setBackground(Color.BLACK); infoArea.setEditable(false); JScrollPane scro...
Hello everyone My program is finished, but testing it out, i found out that the scrollpanel does not appear, it just resizes the JTextarea instead. The code is provided below: package javaapplication15; import java.awt.Container; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; impor...
I want to set color for specific lines in the text area. What I've found so far, is the following // Declarations private final DefaultStyledDocument document; private final MutableAttributeSet homeAttributeSet; private final MutableAttributeSet awayAttributeSet; // Usage in the form constructor jTextAreaLog.setDocument(document); hom...
I need to display a document, which is in Cp037 character Encoding, in JTextArea? I think JTextArea by default supports UNICODE character encoding. How to add Cp037 charater set support to JTextArea? ...
Hi! Here is a challenging question! Let me first tell you my scenario how am i implementing a solution to a problem. I am reading a log file and displaying it on the JTextArea. Log file is cp037 character coded. I was reading each file as a byte stream or byte array from the log file & displaying it. Anyways, i managed to display the t...
Need: Output a Java application's log into a GUI component, such as a JTextArea. Concern: Need to log things from any class, in a static manner. However, the GUI logger component must not be static (obviously) as it's the member of a parent component. What should I do? ...