Example usage for javax.swing.table TableModel getRowCount

Introduction

In this page you can find the example usage for javax.swing.table TableModel getRowCount.

Prototype

public int getRowCount();

Source Link

Document

Returns the number of rows in the model.

Usage

From source file:Main.java

/**
 *  Calculates the optimal width for the column of the given table. The
 *  calculation is based on the preferred width of the header and cell
 *  renderer.//  ww  w .  j a va  2 s .  c  o  m
 *  <br>
 *  Taken from the newsgoup de.comp.lang.java with some modifications.<br>
 *  Taken from FOPPS/EnhancedTable - http://fopps.sourceforge.net/<br>
 *
 *  @param table    the table to calculate the column width
 *  @param col      the column to calculate the widths
 *  @return         the width, -1 if error
 */
public static int calcColumnWidth(JTable table, int col) {
    int width = calcHeaderWidth(table, col);
    if (width == -1)
        return width;

    TableColumnModel columns = table.getColumnModel();
    TableModel data = table.getModel();
    int rowCount = data.getRowCount();
    TableColumn column = columns.getColumn(col);
    try {
        for (int row = rowCount - 1; row >= 0; --row) {
            Component c = table.prepareRenderer(table.getCellRenderer(row, col), row, col);
            width = Math.max(width, c.getPreferredSize().width + 10);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    return width;
}

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From source file:au.com.jwatmuff.eventmanager.export.CSVExporter.java

public static void generateFromTable(TableModel tm, OutputStream out) {
    int rows = tm.getRowCount();
    int cols = tm.getColumnCount();
    Object[][] table = new Object[rows + 1][cols];
    for (int j = 0; j < cols; j++)
        table[0][j] = tm.getColumnName(j);
    for (int i = 0; i < rows; i++)
        for (int j = 0; j < cols; j++)
            table[i + 1][j] = tm.getValueAt(i, j);

    generateFromArray(table, out);/*from w w  w.  j a v a2  s . c  om*/
}

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From source file:Main.java

/**
 * Adjusts the widths and heights of the cells of the supplied table to fit their contents.
 *//*from   www . j a v a  2 s  .c o  m*/
public static void sizeToContents(JTable table) {
    TableModel model = table.getModel();
    TableColumn column = null;
    Component comp = null;
    int ccount = table.getColumnModel().getColumnCount(), rcount = model.getRowCount(), cellHeight = 0;

    for (int cc = 0; cc < ccount; cc++) {
        int headerWidth = 0, cellWidth = 0;
        column = table.getColumnModel().getColumn(cc);
        try {
            comp = column.getHeaderRenderer().getTableCellRendererComponent(null, column.getHeaderValue(),
                    false, false, 0, 0);
            headerWidth = comp.getPreferredSize().width;
        } catch (NullPointerException e) {
            // getHeaderRenderer() this doesn't work in 1.3
        }

        for (int rr = 0; rr < rcount; rr++) {
            Object cellValue = model.getValueAt(rr, cc);
            comp = table.getDefaultRenderer(model.getColumnClass(cc)).getTableCellRendererComponent(table,
                    cellValue, false, false, 0, cc);
            Dimension psize = comp.getPreferredSize();
            cellWidth = Math.max(psize.width, cellWidth);
            cellHeight = Math.max(psize.height, cellHeight);
        }
        column.setPreferredWidth(Math.max(headerWidth, cellWidth));
    }

    if (cellHeight > 0) {
        table.setRowHeight(cellHeight);
    }
}

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From source file:Main.java

protected static boolean contains(int row, TableModel model) {
    if (model == null) {
        return false;
    }//from   www. j a  v a2  s  . c om
    if (row < 0) {
        return false;
    }
    if (row >= model.getRowCount()) {
        return false;
    }
    return true;
}

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From source file:Main.java

/**
 * Save the contents of a table to a TSV file
 * Note:  uses toString() on the header cells as well as the data cells.  If you've got funny columns,
 * expect funny behavior//from w w w .ja v a  2 s.c  o  m
 * @param table
 * @param outFile
 * @throws IOException
 */
public static void SaveTableAsTSV(JTable table, File outFile) throws IOException {
    PrintWriter outPW = new PrintWriter(outFile);

    TableModel tableModel = table.getModel();
    TableColumnModel columnModel = table.getColumnModel();

    StringBuffer headerLineBuf = new StringBuffer();
    for (int i = 0; i < columnModel.getColumnCount(); i++) {
        if (i > 0)
            headerLineBuf.append("\t");
        headerLineBuf.append(columnModel.getColumn(i).getHeaderValue().toString());
    }
    outPW.println(headerLineBuf.toString());
    outPW.flush();
    for (int i = 0; i < tableModel.getRowCount(); i++) {
        StringBuffer lineBuf = new StringBuffer();
        for (int j = 0; j < tableModel.getColumnCount(); j++) {
            if (j > 0)
                lineBuf.append("\t");
            lineBuf.append(tableModel.getValueAt(i, j).toString());
        }
        outPW.println(lineBuf.toString());
        outPW.flush();
    }
    outPW.close();
}

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From source file:edu.ku.brc.stats.StatGroupTable.java

/**
 * Calculates and sets the each column to it preferred size
 * @param table the table to fix ups/*from  ww w.  j  a  va2s .com*/
 */
public static void calcColumnWidths(JTable table) {
    JTableHeader header = table.getTableHeader();

    TableCellRenderer defaultHeaderRenderer = null;

    if (header != null) {
        defaultHeaderRenderer = header.getDefaultRenderer();
    }

    TableColumnModel columns = table.getColumnModel();
    TableModel data = table.getModel();

    int margin = columns.getColumnMargin(); // only JDK1.3

    int rowCount = data.getRowCount();

    int totalWidth = 0;

    for (int i = columns.getColumnCount() - 1; i >= 0; --i) {
        TableColumn column = columns.getColumn(i);

        int columnIndex = column.getModelIndex();

        int width = -1;

        TableCellRenderer h = column.getHeaderRenderer();

        if (h == null)
            h = defaultHeaderRenderer;

        if (h != null) // Not explicitly impossible
        {
            Component c = h.getTableCellRendererComponent(table, column.getHeaderValue(), false, false, -1, i);

            width = c.getPreferredSize().width;
        }

        for (int row = rowCount - 1; row >= 0; --row) {
            TableCellRenderer r = table.getCellRenderer(row, i);

            Component c = r.getTableCellRendererComponent(table, data.getValueAt(row, columnIndex), false,
                    false, row, i);

            width = Math.max(width, c.getPreferredSize().width + 10); // adding an arbitray 10 pixels to make it look nicer
        }

        if (width >= 0) {
            column.setPreferredWidth(width + margin); // <1.3: without margin
        }

        totalWidth += column.getPreferredWidth();
    }

    // If you like; This does not make sense for two many columns!
    Dimension size = table.getPreferredScrollableViewportSize();
    //if (totalWidth > size.width)
    {
        size.height = Math.min(size.height, table.getRowHeight() * visibleRows);
        size.width = totalWidth;
        table.setPreferredScrollableViewportSize(size);
    }

}

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From source file:edu.ku.brc.specify.utilapps.SetUpBuildDlg.java

/**
 * @param table/*from   ww w. ja  v  a  2s  .c  o m*/
 */
public static void calcColumnWidths(JTable table) {
    JTableHeader header = table.getTableHeader();

    TableCellRenderer defaultHeaderRenderer = null;

    if (header != null) {
        defaultHeaderRenderer = header.getDefaultRenderer();
    }

    TableColumnModel columns = table.getColumnModel();
    TableModel data = table.getModel();

    int margin = columns.getColumnMargin(); // only JDK1.3

    int rowCount = data.getRowCount();

    int totalWidth = 0;

    for (int i = columns.getColumnCount() - 1; i >= 0; --i) {
        TableColumn column = columns.getColumn(i);

        int columnIndex = column.getModelIndex();

        int width = -1;

        TableCellRenderer h = column.getHeaderRenderer();

        if (h == null)
            h = defaultHeaderRenderer;

        if (h != null) // Not explicitly impossible
        {
            Component c = h.getTableCellRendererComponent(table, column.getHeaderValue(), false, false, -1, i);

            width = c.getPreferredSize().width;
        }

        for (int row = rowCount - 1; row >= 0; --row) {
            TableCellRenderer r = table.getCellRenderer(row, i);

            Component c = r.getTableCellRendererComponent(table, data.getValueAt(row, columnIndex), false,
                    false, row, i);

            width = Math.max(width, c.getPreferredSize().width + 10); // adding an arbitray 10 pixels to make it look nicer
        }

        if (width >= 0) {
            column.setPreferredWidth(width + margin); // <1.3: without margin
        } else {
            // ???
        }

        totalWidth += column.getPreferredWidth();
    }
}

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From source file:com.limegroup.gnutella.gui.GUIUtils.java

/**
 * It will adjust the column width to match the widest element.
 * (You might not want to use this for every column, consider some columns might be really long)
 * @param model/*  w  w w  .  j  ava 2  s .c  om*/
 * @param columnIndex
 * @param table
 * @return
 */
public static void adjustColumnWidth(TableModel model, int columnIndex, int maxWidth, int rightPadding,
        JTable table) {

    if (columnIndex > model.getColumnCount() - 1) {
        //invalid column index
        return;
    }

    if (!model.getColumnClass(columnIndex).equals(String.class)) {
        return;
    }

    String longestValue = "";
    for (int row = 0; row < model.getRowCount(); row++) {
        String strValue = (String) model.getValueAt(row, columnIndex);
        if (strValue != null && strValue.length() > longestValue.length()) {
            longestValue = strValue;
        }
    }

    Graphics g = table.getGraphics();

    try {
        int suggestedWidth = (int) g.getFontMetrics(table.getFont()).getStringBounds(longestValue, g)
                .getWidth();
        table.getColumnModel().getColumn(columnIndex)
                .setPreferredWidth(((suggestedWidth > maxWidth) ? maxWidth : suggestedWidth) + rightPadding);
    } catch (Exception e) {
        table.getColumnModel().getColumn(columnIndex).setPreferredWidth(maxWidth);
        e.printStackTrace();
    }

}

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From source file:com.aw.swing.mvp.cmp.RowSelectorMediator.java

/**
 * AWProcess when a user change the text contained for the textfield
 *
 * @param e/*from   w  w w .j a v a 2s  . c  om*/
 */
private void textFieldChanged(DocumentEvent e) {
    if (logger.isDebugEnabled()) {
        logger.debug(
                "Processing text field change with column index: " + columnIndex + " changed event " + e + " ");
    }

    String prefix = textField.getText();
    if (prefix.length() == 0) {
        table.clearSelection();
        return;
    }

    boolean found = false;
    TableModel m = table.getModel();

    for (int i = 0; found == false && i < m.getRowCount(); i++) {
        Object o = m.getValueAt(i, columnIndex);
        if (o == null) {
            continue;
        }

        String s = o.toString();
        if (s.toUpperCase().startsWith(prefix.toUpperCase())) {
            table.setRowSelectionInterval(i, i);
            Rectangle rect = table.getCellRect(i, columnIndex, true);
            table.scrollRectToVisible(rect);

            found = true;
        }
    }

    if (!found) {
        table.clearSelection();
    }
}

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From source file:MainFrame.MainFrame.java

public MainFrame() {
    //Create menu
    this.menuBar = new JMenuBar();
    this.menuProxy = new JMenu("Proxy");
    this.menuBar.add(menuProxy);
    this.cbMenuItem = new JCheckBoxMenuItem("? proxy");
    this.cbMenuItem.setMnemonic(KeyEvent.VK_C);

    ActionListener aListener = new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            AbstractButton aButton = (AbstractButton) event.getSource();
            boolean selected = aButton.getModel().isSelected();
            if (selected) {
                SingleDataHolder.getInstance().isProxyActivated = true;
                SingleDataHolder.getInstance().proxyIpAdress = MainFrame.this.proxyIpAdress.getText();
                SingleDataHolder.getInstance().proxyPort = Integer.parseInt(MainFrame.this.proxyPort.getText());
                SingleDataHolder.getInstance().proxyLogin = MainFrame.this.proxyLogin.getText();
                SingleDataHolder.getInstance().proxyPassword = String
                        .valueOf(MainFrame.this.proxyPassword.getPassword());
            } else {
                SingleDataHolder.getInstance().isProxyActivated = false;
            }//from   w  w  w .  j  a  va2  s .  c  o m
        }
    };
    this.cbMenuItem.addActionListener(aListener);

    this.proxyIpAdress = new JTextField();
    this.proxyPort = new JTextField();
    this.proxyLogin = new JTextField();
    ;
    this.proxyPassword = new JPasswordField();
    this.menuProxy.add(this.cbMenuItem);
    this.menuProxy.add(new JLabel("IP ?"));
    this.menuProxy.add(this.proxyIpAdress);
    this.menuProxy.add(new JLabel("? "));
    this.menuProxy.add(this.proxyPort);
    this.menuProxy.add(new JLabel(""));
    this.menuProxy.add(this.proxyLogin);
    this.menuProxy.add(new JLabel(""));
    this.menuProxy.add(this.proxyPassword);
    this.setJMenuBar(this.menuBar);

    communicator = new HttpCommunicator();
    myActionListener = new mainFrameActionListener();
    mainPanel = new JPanel(new BorderLayout());
    this.setContentPane(mainPanel);

    JPanel P = new JPanel(new FlowLayout(FlowLayout.LEFT, 15, 5));
    mainPanel.add(P, BorderLayout.NORTH);

    //Create Group label
    labelGroup = new JLabel("");
    P.add(labelGroup);
    //Create Group combo
    comboGroup = new JComboBox();
    comboGroup.addItem("?");
    comboGroup.addActionListener(myActionListener);
    P.add(comboGroup);

    //Create Date label
    labelDate = new JLabel("");
    P.add(labelDate);
    //Create Date combo
    comboDate = new JComboBox();
    comboDate.addItem("?");
    comboDate.addActionListener(myActionListener);
    P.add(comboDate);

    //Create Delete button
    buttonDelete = new JButton("");
    buttonDelete.setEnabled(false);
    buttonDelete.addActionListener(myActionListener);
    P.add(buttonDelete);

    //this.checkConnection = new CheckConnection(buttonDelete);

    buttonPasswordsManager = new JButton(" ");
    buttonPasswordsManager.addActionListener(myActionListener);
    P.add(buttonPasswordsManager);

    try {
        Image img = ImageIO.read(getClass().getResource("resources/table_refresh.png"));
        this.buttonRefresh = new JButton(new ImageIcon(img));
        this.buttonRefresh.addActionListener(myActionListener);
        this.buttonRefresh.setToolTipText(" ");
        P.add(buttonRefresh);
    } catch (IOException ex) {
        Logger.getLogger(MainFrame.class.getName()).log(Level.SEVERE, null, ex);
    }

    //CreateLessonTableModel
    lessonTableModel = new LessonTableModel();

    try {
        communicator.setCombos(comboGroup, comboDate, lessonTableModel);
    } catch (IOException ex) {
        JOptionPane.showMessageDialog(null, " ? ? .");
        Logger.getLogger(MainFrame.class.getName()).log(Level.SEVERE, null, ex);
    }

    //CreateTable
    table = new JTable(lessonTableModel);
    table.setFillsViewportHeight(true);
    table.setAutoCreateRowSorter(true);

    JScrollPane scrollP = new JScrollPane(table);
    mainPanel.add(scrollP, BorderLayout.CENTER);
    //Create Table sorter
    sorter = new TableRowSorter<LessonTableModel>(lessonTableModel);
    table.setRowSorter(sorter);
    table.getModel().addTableModelListener(new TableModelListener() {
        @Override
        public void tableChanged(TableModelEvent e) {
            int row = e.getFirstRow();
            int column = e.getColumn();
            TableModel model = (TableModel) e.getSource();
            for (int i = 0; i < model.getRowCount(); i++) {
                if ((boolean) model.getValueAt(i, 2) == true) {
                    buttonDelete.setEnabled(true);
                    return;
                }
            }
            buttonDelete.setEnabled(false);
        }
    });

    //Standart block
    this.setSize(700, 400);
    this.setTitle(" ");
    this.addWindowListener(new WindowAdapter() {
        @Override
        public void windowClosing(WindowEvent we) {
            System.exit(0);
        }
    });
    try {
        Image img = ImageIO.read(getClass().getResource("resources/appIcon.png"));
        this.setIconImage(img);
    } catch (IOException ex) {
        Logger.getLogger(MainFrame.class.getName()).log(Level.SEVERE, null, ex);
    }

    this.setVisible(true);
}

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