Пример #1
0
  // This method from http://www.exampledepot.com/egs/javax.swing.table/PackCol.html
  public int 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;

    // Get maximum width of 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);

    return width;
  }
Пример #2
0
 public void
     setColumnWidths() { // See
                         // "http://java.sun.com/docs/books/tutorial/uiswing/components/table.html#custom"
   int n = getModel().getColumnCount();
   for (int j = 0; j < n; ++j) {
     TableColumn column = getColumnModel().getColumn(j);
     TableCellRenderer headerRenderer = column.getHeaderRenderer();
     if (headerRenderer == null)
       headerRenderer = getTableHeader().getDefaultRenderer(); // the new 1.3 way
     Component columnComponent =
         headerRenderer.getTableCellRendererComponent(
             this, column.getHeaderValue(), false, false, -1, j);
     Component cellComponent =
         getDefaultRenderer(getColumnClass(j))
             .getTableCellRendererComponent(this, getModel().getValueAt(0, j), false, false, 0, j);
     int wantWidth =
         Math.max(
             columnComponent.getPreferredSize().width
                 + 10, // fudge factor ... seems to always be too small otherwise (on x86 Linux)
             cellComponent.getPreferredSize().width
                 + 10 // fudge factor ... seems to always be too small otherwise (on Mac OS X)
             );
     column.setPreferredWidth(wantWidth);
   }
 }
Пример #3
0
  private int getHeaderHeight() {
    if ((header == null) || (header.getTable() == null)) {
      return 0;
    }
    int height = 0;
    boolean accomodatedDefault = false;
    TableColumnModel columnModel = header.getColumnModel();
    for (int column = 0; column < columnModel.getColumnCount(); column++) {
      TableColumn aColumn = columnModel.getColumn(column);
      boolean isDefault = (aColumn.getHeaderRenderer() == null);

      if (!isDefault || !accomodatedDefault) {
        Component comp = getHeaderRenderer(column);
        int rendererHeight = comp.getPreferredSize().height;
        height = Math.max(height, rendererHeight);

        // Configuring the header renderer to calculate its preferred size
        // is expensive. Optimise this by assuming the default renderer
        // always has the same height as the first non-zero height that
        // it returns for a non-null/non-empty value.
        if (isDefault && rendererHeight > 0) {
          Object headerValue = aColumn.getHeaderValue();
          if (headerValue != null) {
            headerValue = headerValue.toString();

            if (headerValue != null && !headerValue.equals("")) {
              accomodatedDefault = true;
            }
          }
        }
      }
    }
    return height + 2;
  }
Пример #4
0
  @Override
  public int getRowHeight() {
    if (myRowHeightIsComputing) {
      return super.getRowHeight();
    }

    if (myRowHeight < 0) {
      try {
        myRowHeightIsComputing = true;
        for (int row = 0; row < getRowCount(); row++) {
          for (int column = 0; column < getColumnCount(); column++) {
            final TableCellRenderer renderer = getCellRenderer(row, column);
            if (renderer != null) {
              final Object value = getValueAt(row, column);
              final Component component =
                  renderer.getTableCellRendererComponent(this, value, true, true, row, column);
              if (component != null) {
                final Dimension size = component.getPreferredSize();
                myRowHeight = Math.max(size.height, myRowHeight);
              }
            }
          }
        }
      } finally {
        myRowHeightIsComputing = false;
      }
    }

    if (myMinRowHeight == null) {
      myMinRowHeight = getFontMetrics(UIManager.getFont("Label.font")).getHeight();
    }

    return Math.max(myRowHeight, myMinRowHeight);
  }
 private int calcMaxContentColumnWidth(int columnIndex, int maxRowsToCheck) {
   int maxWidth = 0;
   for (int row = 0; row < maxRowsToCheck && row < getRowCount(); row++) {
     TableCellRenderer renderer = getCellRenderer(row, columnIndex);
     Component comp = prepareRenderer(renderer, row, columnIndex);
     maxWidth = Math.max(comp.getPreferredSize().width, maxWidth);
   }
   return maxWidth + UIUtil.DEFAULT_HGAP;
 }
  /**
   * This method gets the width of a cell, specified by a column and row number.
   *
   * @param row The column number.
   * @param column The row number.
   * @return The width of the cell data.
   */
  private int getCellDataWidth(int row, int column) {
    //  Inovke the renderer for the cell to calculate the preferred width

    TableCellRenderer cellRenderer = table.getCellRenderer(row, column);
    Component c = table.prepareRenderer(cellRenderer, row, column);
    int width = c.getPreferredSize().width + table.getIntercellSpacing().width;

    return width;
  }
  /*
   *  Calculated the width based on the column name
   */
  private int getColumnHeaderWidth(int column) {
    if (!isColumnHeaderIncluded) return 0;

    TableColumn tableColumn = table.getColumnModel().getColumn(column);
    Object value = tableColumn.getHeaderValue();
    TableCellRenderer renderer = tableColumn.getHeaderRenderer();

    if (renderer == null) {
      renderer = table.getTableHeader().getDefaultRenderer();
    }

    Component c = renderer.getTableCellRendererComponent(table, value, false, false, -1, column);
    return c.getPreferredSize().width;
  }
Пример #8
0
  public void updateColumnSizes() {
    final JTableHeader header = getTableHeader();
    final TableCellRenderer defaultRenderer = header == null ? null : header.getDefaultRenderer();

    final RowSorter<? extends TableModel> sorter = getRowSorter();
    final List<? extends RowSorter.SortKey> current = sorter == null ? null : sorter.getSortKeys();
    ColumnInfo[] columns = getListTableModel().getColumnInfos();
    for (int i = 0; i < columns.length; i++) {
      final ColumnInfo columnInfo = columns[i];
      final TableColumn column = getColumnModel().getColumn(i);
      // hack to get sort arrow included into the renderer component
      if (sorter != null && columnInfo.isSortable()) {
        sorter.setSortKeys(
            Collections.singletonList(new RowSorter.SortKey(i, SortOrder.ASCENDING)));
      }

      final Component headerComponent =
          defaultRenderer == null
              ? null
              : defaultRenderer.getTableCellRendererComponent(
                  this, column.getHeaderValue(), false, false, 0, 0);

      if (sorter != null && columnInfo.isSortable()) {
        sorter.setSortKeys(current);
      }
      final Dimension headerSize =
          headerComponent == null ? new Dimension(0, 0) : headerComponent.getPreferredSize();
      final String maxStringValue;
      final String preferredValue;
      if (columnInfo.getWidth(this) > 0) {
        int width = columnInfo.getWidth(this);
        column.setMaxWidth(width);
        column.setPreferredWidth(width);
        column.setMinWidth(width);
      } else if ((maxStringValue = columnInfo.getMaxStringValue()) != null) {
        int width =
            getFontMetrics(getFont()).stringWidth(maxStringValue) + columnInfo.getAdditionalWidth();
        width = Math.max(width, headerSize.width);
        column.setPreferredWidth(width);
        column.setMaxWidth(width);
      } else if ((preferredValue = columnInfo.getPreferredStringValue()) != null) {
        int width =
            getFontMetrics(getFont()).stringWidth(preferredValue) + columnInfo.getAdditionalWidth();
        width = Math.max(width, headerSize.width);
        column.setPreferredWidth(width);
      }
    }
  }
 /**
  * Get the dimension of this ColumnGroup.
  *
  * @param table the table the header is being rendered in
  * @return the dimension of the ColumnGroup
  */
 public Dimension getSize(JTable table) {
   Component comp =
       renderer.getTableCellRendererComponent(table, getHeaderValue(), false, false, -1, -1);
   int height = comp.getPreferredSize().height;
   int width = 0;
   Iterator iter = v.iterator();
   while (iter.hasNext()) {
     Object obj = iter.next();
     if (obj instanceof TableColumn) {
       TableColumn aColumn = (TableColumn) obj;
       width += aColumn.getWidth();
     } else {
       width += ((ColumnGroup) obj).getSize(table).width;
     }
   }
   return new Dimension(width, height);
 }
Пример #10
0
  public void updateColumnSizes() {
    final JTableHeader header = getTableHeader();
    final TableCellRenderer defaultRenderer = header == null ? null : header.getDefaultRenderer();

    ColumnInfo[] columns = getListTableModel().getColumnInfos();
    for (int i = 0; i < columns.length; i++) {
      final ColumnInfo columnInfo = columns[i];
      final TableColumn column = getColumnModel().getColumn(i);

      final Component headerComponent =
          defaultRenderer == null
              ? null
              : defaultRenderer.getTableCellRendererComponent(
                  this, column.getHeaderValue(), false, false, 0, 0);
      final Dimension headerSize =
          headerComponent == null ? new Dimension(0, 0) : headerComponent.getPreferredSize();
      final String maxStringValue;
      final String preferredValue;
      if (columnInfo.getWidth(this) > 0) {
        int width = columnInfo.getWidth(this);
        column.setMaxWidth(width);
        column.setPreferredWidth(width);
        column.setMinWidth(width);
      } else if ((maxStringValue = columnInfo.getMaxStringValue()) != null) {
        int width =
            getFontMetrics(getFont()).stringWidth(maxStringValue) + columnInfo.getAdditionalWidth();
        width = Math.max(width, headerSize.width);
        column.setPreferredWidth(width);
        column.setMaxWidth(width);
      } else if ((preferredValue = columnInfo.getPreferredStringValue()) != null) {
        int width =
            getFontMetrics(getFont()).stringWidth(preferredValue) + columnInfo.getAdditionalWidth();
        width = Math.max(width, headerSize.width);
        column.setPreferredWidth(width);
      }
    }
  }
  public void updateColumnSizes() {
    final JTableHeader header = getTableHeader();
    final TableCellRenderer defaultRenderer = header == null ? null : header.getDefaultRenderer();

    final RowSorter<? extends TableModel> sorter = getRowSorter();
    final List<? extends RowSorter.SortKey> current = sorter == null ? null : sorter.getSortKeys();
    ColumnInfo[] columns = getListTableModel().getColumnInfos();
    int[] sizeMode = new int[columns.length];
    int[] headers = new int[columns.length];
    int[] widths = new int[columns.length];
    int allColumnWidth = 0;
    int varCount = 0;

    // calculate
    for (int i = 0; i < columns.length; i++) {
      final ColumnInfo columnInfo = columns[i];
      final TableColumn column = getColumnModel().getColumn(i);
      // hack to get sort arrow included into the renderer component
      if (sorter != null && columnInfo.isSortable()) {
        sorter.setSortKeys(
            Collections.singletonList(new RowSorter.SortKey(i, SortOrder.ASCENDING)));
      }

      final Component headerComponent =
          defaultRenderer == null
              ? null
              : defaultRenderer.getTableCellRendererComponent(
                  this, column.getHeaderValue(), false, false, 0, 0);

      if (sorter != null && columnInfo.isSortable()) {
        sorter.setSortKeys(current);
      }
      if (headerComponent != null) {
        headers[i] = headerComponent.getPreferredSize().width;
      }
      final String maxStringValue;
      final String preferredValue;
      if (columnInfo.getWidth(this) > 0) {
        sizeMode[i] = 1;
        int width = columnInfo.getWidth(this);
        widths[i] = width;
      } else if ((maxStringValue = columnInfo.getMaxStringValue()) != null) {
        sizeMode[i] = 2;
        widths[i] =
            getFontMetrics(getFont()).stringWidth(maxStringValue) + columnInfo.getAdditionalWidth();
        varCount++;
      } else if ((preferredValue = columnInfo.getPreferredStringValue()) != null) {
        sizeMode[i] = 3;
        widths[i] =
            getFontMetrics(getFont()).stringWidth(preferredValue) + columnInfo.getAdditionalWidth();
        varCount++;
      }
      allColumnWidth += widths[i];
    }

    // apply: distribute available space between resizable columns
    //        and make sure that header will fit as well
    int viewWidth = getParent() != null ? getParent().getWidth() : getWidth();
    double gold = 0.5 * (3 - Math.sqrt(5));
    int addendum =
        varCount == 0 || viewWidth < allColumnWidth
            ? 0
            : (int)
                    ((allColumnWidth < gold * viewWidth
                            ? gold * viewWidth
                            : allColumnWidth < (1 - gold) * viewWidth
                                ? (1 - gold) * viewWidth
                                : viewWidth)
                        - allColumnWidth)
                / varCount;

    for (int i = 0; i < columns.length; i++) {
      TableColumn column = getColumnModel().getColumn(i);
      int width = widths[i];
      if (sizeMode[i] == 1) {
        column.setMaxWidth(width);
        column.setPreferredWidth(width);
        column.setMinWidth(width);
      } else if (sizeMode[i] == 2) {
        width = Math.max(width + addendum, headers[i]);
        column.setPreferredWidth(width);
        column.setMaxWidth(width);
      } else if (sizeMode[i] == 3) {
        width = Math.max(width + addendum, headers[i]);
        column.setPreferredWidth(width);
      }
    }
  }