jlist

Set the amount of rows JList show (Java)

Hi all. Problem: I have a method that creates a list from the parsed ArrayList. I manage to show the list in the GUI, without scrollbar. However, I am having problem setting it to show only the size of ArrayList. Meaning, say if the size is 6, there should only be 6 rows in the shown List. Below is the code that I am using. I tried sett...

Java Positioning a list on a GUI

I'm trying to add a JList to a GUI, but am wondering how to position it? I want it to appear on the right hand side of the TextArea for data that will be sent to the GUI for selection. Can anyone suggest how to do this? Here is the code (note: very new to Java and GUI's) protected static void createAndShowGUI() { GUI predict = ...

Trying to get focus onto JTextPane after doubleclicking on JList element (Java)

Hi all. Problem: I have the following JList which I add to the textPane, and show it upon the caret moving. However, after double clicking on the Jlist element, the text gets inserted, but the caret is not appearing on the JTextPane. This is the following code: listForSuggestion = new JList(str.toArray()); listForSuggestion....

how to disable JList selection change event and invoke it only on double click ?

As the title says... I'd like items in a JList to be "selected" only when they are double clicked. what would be the best way to achieve this kind of behavior ? ...

Using JLists and ListModels

I have defined a DirectoryListModel class that extends the AbstractListModel class from the Java Api. Internally, I have a list of File objects. I have defined the getElementAt(int index) method as: @Override public Object getElementAt(int index) { return directoryElements.get(index) } The problem is that when I try to run my JLi...

add database Tablenames to the JList in java

// Declare JList private JList jlstTab, jlstCol; . . . DefaultListModel dlmTables = new DefaultListModel(); DefaultListModel dlmCol = new DefaultListModel(); // Instantiate dlmTables.addElement("kl"); jlstTab= new JList(dlmTables); jlstTab.setSelectedIndex(0); jlstTab.setSelectionMode(ListSelectionM...

add Component to JPanel

Hi , I am using netBeans editor to create desktop application . and i want to add Component without using drag and drop way. I am trying code like this for adding JList to JPanel but nothing showed JList jl = new JList(); Vector<String> v= new Vector<String>(); v.add("one"); v.add("Two"); v.add("Three"); jl.setListD...

Java JList model

How can I make a list model from a JList in order to be able to insert an item into it. I want to use this method: addElement(java.lang.Object item) I found an explanation here, but the problem is that ListModel is an interface and even if I write an implementation and override its method, I can't use the addElement() method ...

How can I change JList d'n'd target indicator

Hi! I have horizontal JList. When user drags element of this list, there is indicator where draged element would be when it droped. But this indicator is horizontal and appears above or under elements of the list. So how can I change it? I want it to be vertical. Code creating list: DefaultListModel model = new DefaultListModel(); // I...

Writing something in JList

hey i have another problem. I created JList in my main window and now i want to add something to it. I do it this way... private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) { Dodaj_Przedmiot dodaj_przedmiot = new Dodaj_Przedmiot(null, true); dodaj_przedmiot.setVisible(true); ...

AWTUtilities.setWindowOpaque is causing some text painting issues

I am attempting to create an opaque JWindow with antialiased rounded corners. In doing so, I call the method: AWTUtilities.setWindowOpaque(this, false); And use a custom JPanel which paints the actual rounded corners. Within the window, I have a JList. Whenever setWindowOpaque is set to false, the text within the JList becomes "disto...

Can Items in a JList be formatted as HTML

I would like to create a JList in Java so that each individual item is formattted using HTML tags, but I'm not clear how to do this or even if this is possible. Does anyone have any suggestions? Thank you. ...

Can jTable cell act as jList multiple row.

I want to show multipleline content in a cell like a monthly scheduler. Currently i am using jTextArea but the data is still too long. I was thinking to using jList, is there any sample jTable using jList as cell. Any other good practices or suggestion to display long data in one cell? ...

Displaying Large JLIST formatted as HTML

I have a java applet in which I have to display a large amount of items (dictionary entries). The user needs to be able to select individual items in the list, hence it is implemented as a JList. Generating the list was very quick until I decided to make the display more asthetically pleasing by formatting the individual items using...

Can I set the selected item for a JList without having an event thrown to the listeners?

I am working on a viewer, which uses a JList to show thumbnails of the pages of a document. The user can open a page by selecting it through in the JList, or throught other mechanisms, like entering the number in a text box. When using the latter alternative, I want that the JList also selects the page. I do this using setSelectedIndex(...

JList where each line might need to have a different font-color

Hello everyone, I am a newbie here just joined this wonderfull community. I have to admit this is the best site out there for programming questions and answers. Now let me get to the point: I am trying to create a JList where I can input lines with different font colors taken from a ColorChooser. I have tried something already as descri...

JTable with JList cell

Is there possible to make the JTable cell like JList behaviour ? I want to display few data in one cell for example "A", "B", "C". If using JTextArea I can't specify which data i was choosing. Example if I want data A mouse click and do certain action. ...

Java - jList: Custom ListSelectionListener question (SSCCE Included)

Hello everyone! I am trying to set some actions on a custom ListSelectionListener and although everything compiles out fine when I actually select a component of the jList it's not working. Here's a code snippet: public class ListSelectionHandler implements ListSelectionListener { ListCustomObject o; @Override public voi...

How would I code when a item has been selected in a JList?

I have a JList with 5 options in it and when one of the items becomes selected or clicked i want the text area next to it to show a paragraph of text relative to the item clicked. It should do this for each item in the list but I cant seem to find how to do it in the API How would my program know if an item in the JList was selected so ...

Re-populating a JList on an ActionListener event

Depending on what they choose in the JComboBox I want the JList to show different strings, not sure how to repopulate a JList though. When searching through the API, still found nothing. Any idea on how you might code this? Im using NetBeans by the way for reference. ...