Search Results

Search found 4348 results on 174 pages for 'javax swing timer'.

facebook twitter digg google delicious technorati stumbleupon myspace wordpress linkedin gmail igoogle windows live tumblr viadeo yahoo buzz yahoo mail yahoo bookmarks favorites email print

Page 51/174 | < Previous Page | 47 48 49 50 51 52 53 54 55 56 57 58  | Next Page >

  • Does Java Mac OSX native look and feel respect UIManager font changes?

    - by Erik Lickerman
    I have a java applet and the only look and feel that works properly is the native mac one. I wanted to make the fonts a bit larger and tried using the standard UIManager methods UIManager.put("Label.font", new Font("Georgia", Font.PLAIN, 18)); This produces no change. It does not throw an exception, of course. Does anyone know if the native mac look and feel ignores these? I know there are specific ways to make controls different sizes on mac but these only seem to make them smaller. You cannot make the controls larger than regular.

    Read the article

  • JTable - Getting a cell into Edit mode on pressing Tab

    - by Luhar
    This is possibly has a trivial solution, but I am at the end of my tether so I hope somebody can help out. I use a JTable which has a custom renderer and a custom editor for a set of columns. The renderer uses a JLabel component and the editor uses a JSpinner component. Our users want to be able to enter values in a column, and then press TAB or ENTER to move to the next editable cell in the table. If I understand correctly, this is the default behaviour for a JTable. However, this doesn't seem to work correctly for me. Until the user clicks on the cell, only the JLabel is displayed. The JSpinner (i.e. CellEditor) is only displayed when a user double clicks on the cell. So, it looks like the cell is going into "edit" mode only on MouseEvents, but not when it has focus. How do I get the cell to go into edit mode as soon as it has focus?

    Read the article

  • Java MVC project - either I can't update the drawing, or I can't see it

    - by user1881164
    I've got a project based around the Model-View-Controller paradigm, and I've been having a lot of trouble with getting it to work properly. The program has 4 panels, which are supposed to allow me to modify an oval drawn on the screen in various ways. These seem to work fine, and after considerable trouble I was able to get them to display in the JFrame which holds the whole shebang. I've managed to get them to display by breaking away from the provided instructions, but when I do that, I can't seem to get the oval to update. However, if I follow the directions to the letter, I only ever see an empty frame. The project had pretty specific directions, which I followed up to a point, but some of the documentation was unclear. I think what I'm missing must be something simple, since nothing is jumping out at me as not making sense. I have to admit though that my Java experience is limited and my experience with GUI design/paradigms is even more so. Anyway, I've been searching the web and this site extensively trying to figure out what's wrong, but this is a somewhat specific example and honestly I just don't know enough about this to generalize any of the answers I've found online and figure out what's missing. I've been poring over this code for far too long now so I'm really hoping someone can help me out. public class Model { private Controller controller; private View view; private MvcFrame mvcFrame; private int radius = 44; private Color color = Color.BLUE; private boolean solid = true; //bunch of mutators and accessors for the above variables public Model() { controller = new Controller(this); view = new View(this); mvcFrame = new MvcFrame(this); } } Here's the model class. This seems to be fairly simple. I think my understanding of what's going on here is solid, and nothing seems to be wrong. Included mostly for context. public class Controller extends JPanel{ private Model model; public Controller(Model model) { this.model = model; setBorder(BorderFactory.createLineBorder(Color.GREEN)); setLayout(new GridLayout(4,1)); add(new RadiusPanel(model)); add(new ColorPanel(model)); add(new SolidPanel(model)); add(new TitlePanel(model)); } } This is the Controller class. As far as I can tell, the setBorder, setLayout, and series of adds do nothing here. I had them commented out, but this is the way that the instructions told me to do things, so either there's a mistake there or something about my setup is wrong. However, when I did it this way, I would get an empty window (JFrame) but none of the panels would show up in it. What I did to fix this is put those add functions in the mvcFrame class: public class MvcFrame extends JFrame { private Model model; public MvcFrame(Model model){ this.model = model; //setLayout(new GridLayout(4,1)); //add(new RadiusPanel(model)); //add(new ColorPanel(model)); //add(new SolidPanel(model)); //add(new TitlePanel(model)); //add(new View(model)); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setLocationRelativeTo(null); setSize(800,600); setVisible(true); } } So here's where things kind of started getting weird. The first block of commented out code is the same as what's in the Controller class. The reason I have it commented out is because that was just a lucky guess - it's not supposed to be like that according to the instructions. However, this did work for getting the panels to show up - but at that point I was still tearing my hair out trying to get the oval to display. The other commented line ( add(new View(model)); ) was a different attempt at making things work. In this case, I put those add functions in the View class (see commented out code below). This actually worked to display both the oval and the panels, but that method wouldn't allow me to update the oval. Also, though I just had the oval displaying, I can't seem to figure out what exactly made that happen, and I can't seem to make it come back. public class View extends JPanel{ private Model model; public View(Model model) { this.model = model; //setLayout(new GridLayout(4,1)); //add(new RadiusPanel(model)); //add(new ColorPanel(model)); //add(new SolidPanel(model)); //add(new TitlePanel(model)); repaint(); } @Override protected void paintComponent(Graphics g){ super.paintComponent(g); //center of view panel, in pixels: int xCenter = getWidth()/2; int yCenter = getHeight()/2; int radius = model.getRadius(); int xStart = xCenter - radius; int yStart = yCenter - radius; int xWidth = 2 * radius; int yHeight = 2 * radius; g.setColor(model.getColor()); g.clearRect(0, 0, getWidth(), getHeight()); if (model.isSolid()){ g.fillOval(xStart, yStart, xWidth, yHeight); } else { g.drawOval(xStart, yStart, xWidth, yHeight); } } } Kinda same idea as before - the commented out code is stuff I added to try to get things working, but is not based on the provided directions. In the case where that stuff was uncommented, I had the add(new View(model)); line from the mvcFrame line uncommented as well. The various panel classes (SolidPanel, ColorPanel, etc) simply extend a class called ControlPanel which extends JPanel. These all seem to work as expected, not having much issue with them. There is also a driver which launches the GUI. This also seems to work as expected. The main problem I'm having is that I can't get the oval to show up, and the one time I could make it show up, none of the options for changing it seemed to work. I feel like I'm close but I'm just at a loss for other things to try out at this point. Anyone who can help will have my sincerest gratitude.

    Read the article

  • how to sort JTable by providing column index externally.

    - by user345940
    I would like to implement sorting on JTable by providing column index externally in program. Here is my sample code in which i have initialize JTable, Add one Column and 30 rows to JTable. After rows has been added i am sorting JTable by providing column index 0 but i could not get sorted data. how can i get my first column in sorted order? what's wrong with my code. **Why sortCTableonColumnIndex() method could not sort data for specify column index? ` public class Test { private JTable oCTable; private DefaultTableModel oDefaultTableModel; private JScrollPane oPane; private JTableHeader oTableHeader; private TableRowSorter sorter; public void adddata() { for (int i = 0; i < 30; i++) { Object[] row = new Object[1]; String sValueA = "A"; String sValueB = "A"; row[0] = ""; if (i % 2 == 0) { if (i < 15) { sValueA = sValueA + sValueA; row[1] = sValueA; } else { if (i == 16) { sValueB = "D"; row[1] = sValueA; } else { sValueB = sValueB + sValueB; row[1] = sValueA; } } } else { if (i < 15) { sValueB = sValueB + sValueB; row[1] = sValueB; } else { if (i == 17) { sValueB = "C"; row[1] = sValueB; } else { sValueB = sValueB + sValueB; row[1] = sValueB; } } } } } public void createTable() { oCTable = new JTable(); oDefaultTableModel = new DefaultTableModel(); oCTable.setModel(oDefaultTableModel); oTableHeader = oCTable.getTableHeader(); oCTable.setAutoResizeMode(oCTable.AUTO_RESIZE_OFF); oCTable.setFillsViewportHeight(true); JTable oTable = new LineNumberTable(oCTable); oPane = new JScrollPane(oCTable); oPane.setRowHeaderView(oTable); JPanel oJPanel = new JPanel(); oJPanel.setLayout(new BorderLayout()); oJPanel.add(oPane, BorderLayout.CENTER); JDialog oDialog = new JDialog(); oDialog.add(oJPanel); oDialog.setPreferredSize(new Dimension(500, 300)); oDialog.pack(); oDialog.setVisible(true); } public void insert() { oDefaultTableModel.addColumn("Name"); int iColumnPlace = ((DefaultTableModel) oCTable.getModel()).findColumn("Name"); CellRendererForRowHeader oCellRendererForRowHeader = new CellRendererForRowHeader(); TableColumn Column = oCTable.getColumn(oTableHeader.getColumnModel().getColumn(iColumnPlace).getHeaderValue()); Column.setPreferredWidth(300); Column.setMaxWidth(300); Column.setMinWidth(250); Column.setCellRenderer(oCellRendererForRowHeader); for (int i = 0; i < 30; i++) { Object[] row = new Object[1]; String sValueA = "A"; if (i % 2 == 0) { if (i < 15) { sValueA = sValueA + "a"; oDefaultTableModel.insertRow(oCTable.getRowCount(), new Object[]{""}); oDefaultTableModel.setValueAt(sValueA, i, 0); } else { if (i == 16) { sValueA = sValueA + "b"; oDefaultTableModel.insertRow(oCTable.getRowCount(), new Object[]{""}); oDefaultTableModel.setValueAt(sValueA, i, 0); } else { sValueA = sValueA + "c"; oDefaultTableModel.insertRow(oCTable.getRowCount(), new Object[]{""}); oDefaultTableModel.setValueAt(sValueA, i, 0); } } } else { if (i < 15) { sValueA = sValueA + "d"; oDefaultTableModel.insertRow(oCTable.getRowCount(), new Object[]{""}); oDefaultTableModel.setValueAt(sValueA, i, 0); } else { if (i == 17) { sValueA = sValueA + "e"; oDefaultTableModel.insertRow(oCTable.getRowCount(), new Object[]{""}); oDefaultTableModel.setValueAt(sValueA, i, 0); } else { sValueA = sValueA + "f"; oDefaultTableModel.insertRow(oCTable.getRowCount(), new Object[]{""}); oDefaultTableModel.setValueAt(sValueA, i, 0); } } } } } public void showTable() { createTable(); insert(); sortCTableonColumnIndex(0, true); } public void sortCTableonColumnIndex(int iColumnIndex, boolean bIsAsc) { sorter = new TableRowSorter(oDefaultTableModel); List<RowSorter.SortKey> sortKeys = new ArrayList<RowSorter.SortKey>(); if (bIsAsc) { sortKeys.add(new RowSorter.SortKey(iColumnIndex, SortOrder.ASCENDING)); } else { sortKeys.add(new RowSorter.SortKey(iColumnIndex, SortOrder.DESCENDING)); } sorter.setSortKeys(sortKeys); oDefaultTableModel.fireTableStructureChanged(); oCTable.updateUI(); } public static void main(String[] argu) { Test oTest = new Test(); oTest.showTable(); } class CellRendererForRowHeader extends DefaultTableCellRenderer { public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { JLabel label = null; try { label = (JLabel) super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column); if (column == 0) { label.setBackground(new JLabel().getBackground()); label.setForeground(Color.BLACK); } } catch (RuntimeException ex) { } return label; } } class LineNumberTable extends JTable { private JTable mainTable; public LineNumberTable(JTable table) { super(); mainTable = table; setAutoCreateColumnsFromModel(false); setModel(mainTable.getModel()); setAutoscrolls(false); addColumn(new TableColumn()); getColumnModel().getColumn(0).setCellRenderer(mainTable.getTableHeader().getDefaultRenderer()); getColumnModel().getColumn(0).setPreferredWidth(40); setPreferredScrollableViewportSize(getPreferredSize()); } @Override public boolean isCellEditable(int row, int column) { return false; } @Override public Object getValueAt(int row, int column) { return Integer.valueOf(row + 1); } @Override public int getRowHeight(int row) { return mainTable.getRowHeight(); } } } `

    Read the article

  • Are Java GUIs always slow to update or is it just me?

    - by ChrisD
    I've just started making my first GUI application in Java and I decided to use the NetBeans IDE to do it. I think its working fine so far, except for one problem; it seems to be slow updating the content of a window. Even in very simple windows with few controls I find that when - for example - closing or resizing a window, I get the normal window border working properly but the inside is completely see through for a second. It's not the biggest deal in the world, I just find it mildly annoying.

    Read the article

  • How to display panel which is of Singleton class in two different frames at a time?

    - by Sriku
    I am trying to display a singleton obj on two different Jframe, but it is displayed only in the Jframe in which the object is added at last ( in example Frame2). Other Jframe is empty. This Singleton class is inherited from Panel and contains a label in it. Can anybody please tell me how can i display this singleton object in two different frame ? public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable() { public void run() { NewJFrame inst = new NewJFrame(); inst.setTitle("Frame1"); inst.setSize(300, 300); inst.setLocationRelativeTo(null); inst.setVisible(true); singltonpanel _sin = singltonpanel.instance(); inst.add(_sin); inst.repaint(); JFrame frame = new JFrame("Frame2"); frame.setSize(300, 300); frame.setVisible(true); singltonpanel _sin1 = singltonpanel.instance(); frame.add(_sin1); frame.repaint(); } });

    Read the article

  • Format a number as currency in a JTable?

    - by llm
    Given a JTable where one of the columns contains a number, how do I display this number as a currency? I.e. 5 should display as $5.00 etc. Can this be done directly on the JTable after it has been populated with data, or do I have to do this earlier? Thanks.

    Read the article

  • redirect inputStream to JTextField

    - by gt_ebuddy
    I want to redirect the Standard System input to JTextField, So that a user must type his/her input in JTextField (instead of console.) I found System.setIn(InputStream istream) for redirecting System.in. Here is my scratch code where i confused on reading from JTextField - inputJTextField. System.setIn(new InputStream() { @Override public int read() throws IOException { //how to read content? return Integer.parseInt(inputJTextField.getText()); } }); My Question is how to read content from GUI Component ( like JTextField and Cast it to String and other types after redirecting the input stream?

    Read the article

  • Resultset (getter/setter class) object not deleting old values at 2nd Time execution in swin

    - by user2384525
    I have summarizeData() method and called so many time for value retrieve. but first time is working file but 2nd time execution value is increasing in HashMap. void summarizeData() { HashMap outerMap = new HashMap(); ArrayList list = new ArrayList(dataClass.getData()); for (int indx = 0; indx < list.size(); indx++) { System.out.println("indx : " + indx); Resultset rs = new Resultset(); rs = (Resultset) list.get(indx); if (rs != null) { int id = rs.getTestCaseNumber(); if (id > 0) { Object isExists = outerMap.get(id); if (isExists != null) { //System.out.println("found entry so updating"); Resultset inRs = new Resultset(); inRs = (Resultset) isExists; if (inRs != null) { int totExec = inRs.getTestExecution(); int totPass = inRs.getTestCasePass(); int totFail = inRs.getTestCaseFail(); // System.out.println("totE :" + totExec + " totP:" + totPass + " totF:" + totFail); int newRsStat = rs.getTestCasePass(); if (newRsStat == 1) { totPass++; inRs.setTestCasePass(totPass); } else { totFail++; inRs.setTestCaseFail(totFail); } totExec++; // System.out.println("id : "+id+" totPass: "+totPass+" totFail:"+totFail); // System.out.println("key : " + id + " val : " + inRs.getTestCaseNumber() + " " + inRs.getTestCasePass() + " " + inRs.getTestCaseFail()); inRs.setTestExecution(totExec); outerMap.put(id, inRs); } } else { // System.out.println("not exist so new entry" + " totE:" + rs.getTestExecution() + " totP:" + rs.getTestCasePass() + " totF:" + rs.getTestCaseFail()); outerMap.put(id, rs); } } } else { System.out.println("rs null"); } } Output at 1st Execution: indx : 0 indx : 1 indx : 2 indx : 3 indx : 4 indx : 5 indx : 6 indx : 7 indx : 8 indx : 9 indx : 10 totE :1 totP:1 totF:0 indx : 11 totE :1 totP:1 totF:0 indx : 12 totE :1 totP:1 totF:0 indx : 13 totE :1 totP:1 totF:0 indx : 14 totE :1 totP:1 totF:0 indx : 15 totE :1 totP:1 totF:0 indx : 16 totE :1 totP:1 totF:0 indx : 17 totE :1 totP:1 totF:0 indx : 18 totE :1 totP:1 totF:0 indx : 19 totE :1 totP:1 totF:0 Output at 2nd Execution: indx : 0 indx : 1 indx : 2 indx : 3 indx : 4 indx : 5 indx : 6 indx : 7 indx : 8 indx : 9 indx : 10 totE :2 totP:2 totF:0 indx : 11 totE :2 totP:2 totF:0 indx : 12 totE :2 totP:2 totF:0 indx : 13 totE :2 totP:2 totF:0 indx : 14 totE :2 totP:2 totF:0 indx : 15 totE :2 totP:2 totF:0 indx : 16 totE :2 totP:2 totF:0 indx : 17 totE :2 totP:2 totF:0 indx : 18 totE :2 totP:2 totF:0 indx : 19 totE :2 totP:2 totF:0 while i required same output on every execution.

    Read the article

  • How to make items fill available space in JToolBar?

    - by Konrad Garus
    I have a horizontal JToolbar with JToggleButtons. For some reason it is placed in a container that has larger height. My JToggleButtons use only as much space as they need, leaving ugly empty space below and under them. How can I make them fill all available space without setting size arbitrarily? Similar question: How I can make components fill all horizontal space in a vertical tool bar?

    Read the article

  • DefaultTableCellRenderer getTableCellRendererComponent never gets called

    - by Dean Schulze
    I need to render a java.util.Date in a JTable. I've implemented a custom renderer that extends DefaultTableCellRenderer (below). I've set it as the renderer for the column, but the method getTableCellRendererComponent() never gets called. This is a pretty common problem, but none of the solutions I've seen work. public class DateCellRenderer extends DefaultTableCellRenderer { String sdfStr = "yyyy-MM-dd HH:mm:ss.SSS"; SimpleDateFormat sdf = new SimpleDateFormat(sdfStr); public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column); if (value instanceof Date) { this.setText(sdf.format((Date) value)); } else logger.info("class: " + value.getClass().getCanonicalName()); return this; } } I've installed the custom renderer (and verified that it has been installed) like this: DateCellRenderer dcr = new DateCellRenderer(); table.getColumnModel().getColumn(2).setCellRenderer(dcr); I've also tried table.setDefaultRenderer( java.util.Date.class, dcr ); Any idea why the renderer gets installed, but never called?

    Read the article

  • Why does GC not clear the Dialog references?

    - by Pavel
    I have a dialog. Every time I create it and then dispose, it stays in memory. It seems to be a memory leak somewhere, but I can't figure it out. Do you have any ideas? See the screenshot of heap dump for more information. Thanks in advance. http://img441.imageshack.us/img441/5764/leak.png

    Read the article

  • Getting a JFrame's actual current location

    - by Ian Fellows
    Hello community, I am trying to create a (child) JFrame which slides out from underneath one side of a second (parent) JFrame. The goal is to then have the child follow the parent around when it is moved, and respond to resizing events. This is somewhat related to this question. I have tried using a ComponentListener, but with this method the child only moves once the parent has come to a stop, whereas I would like the child to move as the parent is dragged around the screen. Another option I attempted was to start a new refresher thread that continually updated the child's location using getLocation() or getLocationOnScreen(), but the lag was the same as with ComponentListener. Is there a way to get the true actual location of a JFrame even in the midst of a drag? or if not, is there a way to get the effect of a sheet sliding out from underneath and following the Frame around?

    Read the article

  • How to resize controls at runtime in java

    - by user1349213
    Is there a way to resize a control, a JTextfield for example, at runtime in java? I want my textfield to have the resize cursors (just like when you point your cursor on the corner of a window) and will be able to resize on runtime. Ive read on the internet that vb6 and C# have those capabilities, is there anything for java? A sample code or a link to a good tutorial will be very much appreciated. Thank you.

    Read the article

  • how to display a image in java application after downloading the image

    - by Nubkadiya
    i want to display a image after downloading that image from a web-server i have wrote the code for downloading the image. but i cant set it up to a label or any thing other than jframe (because i want to add more buttons and labels to the GUI). here is the code to download the image from the webserver. now i want to set it to a label. please help me URL url = new URL("http://www.personal.psu.edu/acr117/blogs/audrey/images/image-2.jpg"); image = ImageIO.read(url);

    Read the article

  • How can I change the arrow style in a JComboBox

    - by Stephane Grenier
    Let's say I want to use a custom image for the arrow in JComboBox, how can I do this? I understand it's possible using the synth xml files, or maybe even UIManager.put(...), but I don't know how. All I want to do at this time is change the arrow image to something else, either programatically or even just overriding the image it uses. How exactly can I do this?

    Read the article

  • "Zoom" text to be as big as possible within constraints/box

    - by stolsvik
    First problem: You have 400 pixels width to go on, and need to fit some text within that constraint as large as possible (thus, the text shall use that amount of space). Throw in a new constraint: If the text is just "A", then it shall not zoom this above 100 pixels (or some specific font size). Then, a final situation: Linebreaks. Fit some text in the largest possible way within e.g. 400 x 150 pixels. An obvious way is to simply start with point 1, and then increase until you can't fit it anymore. This would work for all three problems, but would be very crude. The fitting of a single line within bounds could be done by writing it with some fixed point size, check the resulting pixel bounds of the text, and then simply scale it with a transform (the text scales properly too then, check out TransformUI). Any ideas of other ways to attack this would be greatly appreciated!

    Read the article

  • Cast Object to JTable?

    - by Chris
    I am trying to implement a ListSelectionListener for some of my JTables. Simply (at the moment) the ListSelectionListener is supposed to simply return the text of the cell that was selected. My program design has several JTables and I would like to have one ListSelectionListener work for them all. In the valueChanged event of the ListSelectionListener I thought it was possible to do something like: private class SelectionHandler implements ListSelectionListener { public void valueChanged(ListSelectionEvent e) { JTable table = (JTable)e.getSource(); String data = (String) table.getValueAt(table.getSelectedRow(), 0); // Print data } } But when I do this I a ClassCastException error. Is there a way to do something like this? One solution I thought of was to compare the source of the event (e.getSource()) to all my JTables to see if they were equivalent (big if block) and then just calling .getValueAt inside that block but that would making the code in the future difficult if tables were to be added or removed.

    Read the article

  • JList strike through

    - by kap
    I have a list of data in a JList component in my GUI. I would like to know if there is a method that i can call on the list element(s) to strike through a particular element in the list. I would like to draw a line through the element to appear as if that element is canceled. I want a similar thing like the strike through functionality in Microsoft Word document whereby a line i drawn through the text. thanks for your help

    Read the article

facebook twitter digg google delicious technorati stumbleupon myspace wordpress linkedin gmail igoogle windows live tumblr viadeo yahoo buzz yahoo mail yahoo bookmarks favorites email print

< Previous Page | 47 48 49 50 51 52 53 54 55 56 57 58  | Next Page >