Example usage for java.awt Component getPreferredSize

Introduction

In this page you can find the example usage for java.awt Component getPreferredSize.

Prototype

public Dimension getPreferredSize() 

Source Link

Document

Gets the preferred size of this component.

Usage

From source file:Main.java

/**
 * Makes all specified component sizes equal.
 *
 * @param components components to modify
 *//*from   w  w w.j  a  v a2  s . co m*/
public static void equalizeComponentsSize(final Component... components) {
    final Dimension maxSize = new Dimension(0, 0);
    for (final Component c : components) {
        if (c != null) {
            final Dimension ps = c.getPreferredSize();
            maxSize.width = Math.max(maxSize.width, ps.width);
            maxSize.height = Math.max(maxSize.height, ps.height);
        }
    }
    for (final Component c : components) {
        if (c != null) {
            c.setPreferredSize(maxSize);
        }
    }
}

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From source file:Main.java

/**
 * Resizes the columns to match content while keeping the table the same
 * size. This means that the last column may be larger than the content.
 *//*ww w  .ja v a2  s . c o m*/
public static void resizeTableColumns(JTable table) {
    table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);

    int totalWidth = 0;
    for (int i = 0; i < table.getColumnCount(); i++) {
        DefaultTableColumnModel colModel = (DefaultTableColumnModel) table.getColumnModel();
        TableColumn col = colModel.getColumn(i);

        if (i == table.getColumnCount() - 1) {
            col.setPreferredWidth(table.getWidth() - totalWidth);
            table.setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);
            return;
        }

        int width = 0;
        TableCellRenderer renderer = col.getHeaderRenderer();
        if (renderer == null) {
            renderer = table.getTableHeader().getDefaultRenderer();
        }
        Component comp = renderer.getTableCellRendererComponent(table, col.getHeaderValue(), false, false, -1,
                i);
        width = Math.max(width, comp.getPreferredSize().width);
        for (int r = 0; r < table.getRowCount(); r++) {
            renderer = table.getCellRenderer(r, i);
            comp = renderer.getTableCellRendererComponent(table, table.getValueAt(r, i), false, false, r, i);
            width = Math.max(width, comp.getPreferredSize().width);
        }
        totalWidth += width + 2;
        col.setPreferredWidth(width + 2);
    }
}

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From source file:Main.java

/**
 * Pack specified column. Sets the preferred width of the specified visible
 * column so it is will be just wide enough to show the column head and the
 * widest cell value in the column + {@code margin} each side.
 * /*  w  ww. ja  va2  s .  c  o m*/
 * Taken from http://www.exampledepot.com/egs/javax.swing.table/PackCol.html
 * 
 * NB: If a table has more than 100 rows, then only the width of the column
 * header will be checked and not the widest cell value. Otherwise it could
 * take too long.
 * 
 * @param table
 *            table with column to pack
 * @param vColIndex
 *            column to pack
 * @param margin
 *            margin to leave at each side of the column (resulting in an
 *            additional width of 2*margin pixels).
 */
public static void packColumn(JTable table, int vColIndex, int margin) {

    DefaultTableColumnModel colModel = (DefaultTableColumnModel) table.getColumnModel();
    TableColumn col = colModel.getColumn(vColIndex);
    int width = 0;

    // Get width of column header
    TableCellRenderer renderer = col.getHeaderRenderer();
    if (renderer == null) {
        renderer = table.getTableHeader().getDefaultRenderer();
    }
    Component comp = renderer.getTableCellRendererComponent(table, col.getHeaderValue(), false, false, 0, 0);
    width = comp.getPreferredSize().width;

    // because checking the width of each row can be time consuming,
    // only do so if less than 101 rows.
    boolean checkDataWidth = (table.getRowCount() < 101);

    if (checkDataWidth) {
        // Get maximum width from all column data
        for (int r = 0; r < table.getRowCount(); r++) {
            renderer = table.getCellRenderer(r, vColIndex);
            comp = renderer.getTableCellRendererComponent(table, table.getValueAt(r, vColIndex), false, false,
                    r, vColIndex);
            width = Math.max(width, comp.getPreferredSize().width);
        }
    }

    // Add margin
    width += 2 * margin;

    // Set the width
    col.setPreferredWidth(width);
}

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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.//from   w  w  w  . j  a  va2s. co 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:Main.java

/**
 *  Calculates the optimal width for the header of the given table. The
 *  calculation is based on the preferred width of the header renderer.
 *
 *  @param table    the table to calculate the column width
 *  @param col      the column to calculate the widths
 *  @return         the width, -1 if error
 *//*from   w  w w.  jav a 2 s  .  com*/
public static int calcHeaderWidth(JTable table, int col) {
    if (table == null)
        return -1;

    if (col < 0 || col > table.getColumnCount()) {
        System.out.println("invalid col " + col);
        return -1;
    }

    JTableHeader header = table.getTableHeader();
    TableCellRenderer defaultHeaderRenderer = null;
    if (header != null)
        defaultHeaderRenderer = header.getDefaultRenderer();
    TableColumnModel columns = table.getColumnModel();
    TableModel data = table.getModel();
    TableColumn column = columns.getColumn(col);
    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, col);
        width = c.getPreferredSize().width + 5;
    }

    return width;
}

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From source file:Main.java

public static void initComponentHeight(final Component... components) {
    if (components == null) {
        return;//from w w  w  .  jav  a  2  s  .  c o  m
    }
    for (final Component component : components) {
        if ((component instanceof JComboBox) || (component instanceof JButton)) {
            component.setPreferredSize(new Dimension(component.getPreferredSize().width, 22));
        } else if (component instanceof JTextField) {
            final String lf = UIManager.getLookAndFeel().getClass().getName();
            int i = 22;
            if (lf.equals(LAF_METAL)) {
                i = 23;
            }
            component.setPreferredSize(new Dimension(component.getPreferredSize().width, i));
        }
    }
}

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From source file:Main.java

/**
 * Auto fit the column of a table.//from  w  w  w .  j  av a2 s  .  c  o  m
 * @param table the table for which to auto fit the columns.
 * @param columnIndex the index of the column to auto fit.
 * @param maxWidth the maximum width that a column can take (like Integer.MAX_WIDTH).
 */
public static void autoFitTableColumn(JTable table, int columnIndex, int maxWidth) {
    TableModel model = table.getModel();
    TableCellRenderer headerRenderer = table.getTableHeader().getDefaultRenderer();
    int rowCount = table.getRowCount();
    for (int i = columnIndex >= 0 ? columnIndex : model.getColumnCount() - 1; i >= 0; i--) {
        TableColumn column = table.getColumnModel().getColumn(i);
        int headerWidth = headerRenderer
                .getTableCellRendererComponent(table, column.getHeaderValue(), false, false, 0, 0)
                .getPreferredSize().width;
        int cellWidth = 0;
        for (int j = 0; j < rowCount; j++) {
            Component comp = table.getDefaultRenderer(model.getColumnClass(i))
                    .getTableCellRendererComponent(table, table.getValueAt(j, i), false, false, 0, i);
            int preferredWidth = comp.getPreferredSize().width;
            // Artificial space to look nicer.
            preferredWidth += 10;
            cellWidth = Math.max(cellWidth, preferredWidth);
        }
        // Artificial space for the sort icon.
        headerWidth += 20;
        column.setPreferredWidth(Math.min(Math.max(headerWidth, cellWidth) + table.getRowMargin(), maxWidth));
        if (columnIndex >= 0) {
            break;
        }
    }
}

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From source file:Main.java

public static void padPreferredWidthDeep(Component component, int padding) {
    if (component instanceof Container) {
        for (Component child : ((Container) component).getComponents()) {
            padPreferredWidthDeep(child, padding);
        }// w  w  w  .  j  a  v a2  s .c  o m
    }
    component.setPreferredSize(new Dimension((int) component.getPreferredSize().getWidth() + padding,
            (int) component.getPreferredSize().getHeight()));
}

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From source file:Main.java

public static JPanel createKV(final Component key, final Component value, final int keyWidth,
        final boolean fill) {
    initComponentHeight(key, value);//from  w  w w  .  java 2s.  c  o m
    if (keyWidth > 0) {
        key.setPreferredSize(new Dimension(keyWidth, key.getPreferredSize().height));
    }
    final JPanel jp = new JPanel(new GridBagLayout());
    final GridBagConstraints gbc = new GridBagConstraints();
    gbc.anchor = GridBagConstraints.WEST;
    gbc.gridx = 0;
    gbc.gridy = 0;
    gbc.insets = new Insets(0, 0, 0, 4);
    jp.add(key, gbc);
    gbc.gridx = 1;
    gbc.insets = new Insets(0, 0, 0, 0);
    gbc.weightx = 1.0;
    if (fill) {
        gbc.fill = GridBagConstraints.HORIZONTAL;
    }
    jp.add(value, gbc);
    return jp;
}

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From source file:Main.java

/**
 * Packs all table rows to their preferred height.
 *
 * @param table table to process/*from   ww w  . j a  va 2s.  c  o  m*/
 */
public static void packRowHeights(final JTable table) {
    for (int row = 0; row < table.getRowCount(); row++) {
        int maxHeight = 0;
        for (int column = 0; column < table.getColumnCount(); column++) {
            final TableCellRenderer cellRenderer = table.getCellRenderer(row, column);
            final Object valueAt = table.getValueAt(row, column);
            final Component renderer = cellRenderer.getTableCellRendererComponent(table, valueAt, false, false,
                    row, column);
            final int heightPreferable = renderer != null ? renderer.getPreferredSize().height : 0;
            maxHeight = Math.max(heightPreferable, maxHeight);
        }
        table.setRowHeight(row, maxHeight);
    }
}

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