How can I display multiple lines within a single cell of a JList. In jtable, it is achieved by adding a JTextarea to the table cell renderer. Similiarly, Is there any code to add a custom cell renderer for a JList that holds a textarea? If yes, can you please give me a code snippet for the same?
Or do you think there is any other better method to display multiple lines within the cell of Jlist instead of using a textarea? please help me!!
Beside usage of HTML code in Swing component (like Jigar says), you can also specify a ListCellRenderer that uses a TextArea, exactly like you do in your JTable.
Try with html.
"line one <br/> linetwo"
Related
So Suppose I create a JTable with a specific number of columns and rows. Is it possible to add a JPanel to a specific cell after the JTable is already initialized? The JTable would be empty at first and then I would change a cell at row X and column Y to instead contain a JPanel which would contain an amount of ImageIcons. I don't have any code to put here really, I just need to know what I would have to use to accomplish this and how. Thank you.
To change the data in the table you use:
table.setValueAt(...);
This will update the data in the TableModel.
However, adding a JPanel to the table is not the way a table is designed to be used. Typically you add data to the model. Then you use a renderer to display the data in a cell.
Start by reading the section from the Swing tutorial on Using Custom Renderers for more information and examples.
I'm looking for a possibility to show a List with comments in Java.
So I thought I could use the JList and make an own CellRenderer.
The problem is that I want to show the name, the date and the comment in one Item of the list.
How could this be realized with a JList and a CellRenderer? Or do I have to use something else instead of the JList?
It sounds as if you want a JTable rather than a JList. That will give you different columns where you can put your name, date and comment.
I'm sure you could also solve this using a CellRenderer that is a JPanel on which you put whatever you want, but I'd advise you to try out JTable first.
If you use a JLabel as the ListCellRenderer component (like DefaultListCellRenderer) you could prefix the text with "<html>" and format the "layout" of the list cells with HTML.
I have a Jlist that component is JTextpane that contains String such as "hello world"
I want to select word "hello" by selecting Jlist component
How can I know which word is selected, "hello" or "world"
I use method Jtextpane.getSelection() but it doesn't work
Any help will be appreciated!
I guess you mean that you are creating JTextPanes as the components in your list cell renderer. The problem here is that the components that are returned by the cell renderer are used only for painting the cells content, no actual functionality of the component is available.
A solution would be to not use a JList but instead using a big JTextPane with HTML content.
I would like to create an interactive JTable. For this, I would like to add JPanels in the cells of the table. Once the JPanels are in the cells, I can add my various components to the JPanels thus making the table interactive. Each JPanel could have different components. Would it be possible to accomplish this and only have to create 1 table cell editor and 1 table cell tenderer. Does anyone know of a better way to do it?
Thanks
EDIT: Thanks for the responses. I actually already have a framework I am using. I just needed a JTable that users could drag and drop images in, play movies, display graphs, etc... I already have the functionality to do those things, I just needed a JPanel to add them too. I wanted it to be displayed in a JTable so the cells could be sorted, moved, add/delete rows/col, and well structured. I couldn't get it to work using the JTable, so I went ahead an created my own. Its just a JPanel that contains smaller JPanels (the table cells) using the GridLayout. It works well enough for my puposes. Just a pain to rewrite all of the functionality from scratch that a table has.
This is hard. JTable actually uses the cell renderers only for painting the cell content. I would recommend to check if a gridlayout packaged into a scrollpane would be the easier solution.
It sounds like you're trying to use JTable as a docking framework. Assuming this is the case you're better off using something like MyDoggy or JDock which allow you to decompose your GUI into multiple split pane areas.
JSplitPane may be an alternative in this context: one pane would hold the JTable, while the other displays expanded details of the selected row. A compete example using GridLayout is shown here.
I have created a GUI in JApplet Form in netbeans which also contains a JList. i just want to know how to add a text and an image before text. i know how to add a text by creating an array and pass it to the constructor of the JList but that was in simple JPanel but in JApplet Form code is disabled (non-editable).I am stuck into it.In Short i want to add my own items in JList in JApplet Form in netbeans. is there any good tutorial or some help. Need an Urgent Help. Thanks.
See Writing a Custom Cell Renderer and the example cited.