jtable.java

gcc的组建

    if (includeSpacing)
      return new Rectangle(x, y, width, height);
    else
      return new Rectangle(x, y, width - x_gap, height - y_gap);
  }

  public void clearSelection()
  {
    selectionModel.clearSelection();
    getColumnModel().getSelectionModel().clearSelection();
  }

  /**
   * Get the value of the selectedRow property by delegation to
   * the {@link ListSelectionModel#getMinSelectionIndex} method of the
   * {@link #selectionModel} field.
   *
   * @return The current value of the selectedRow property
   */
  public int getSelectedRow ()
  {    
    return selectionModel.getMinSelectionIndex();
  }
  
  /**
   * Get the value of the {@link #selectionModel} property.
   *
   * @return The current value of the property
   */
  public ListSelectionModel getSelectionModel()
  {
    //Neither Sun nor IBM returns null if rowSelection not allowed
    return selectionModel;
  }
  
  public int getScrollableBlockIncrement(Rectangle visibleRect, int orientation, int direction)
  {
    if (orientation == SwingConstants.VERTICAL)
      return visibleRect.height * direction;
    else
      return visibleRect.width * direction;
  }

  /**
   * Get the value of the <code>scrollableTracksViewportHeight</code> property.
   *
   * @return The constant value <code>false</code>
   */
  public boolean getScrollableTracksViewportHeight()
  {
    return false;
  }
  
  /**
   * Get the value of the <code>scrollableTracksViewportWidth</code> property.
   *
   * @return <code>true</code> unless the {@link #autoResizeMode} property is
   * <code>AUTO_RESIZE_OFF</code>
   */
  public boolean getScrollableTracksViewportWidth()
  {
    if (autoResizeMode == AUTO_RESIZE_OFF)
      return false;
    else
      return true;
  }

  public int getScrollableUnitIncrement(Rectangle visibleRect, int orientation, int direction)
  {
    // FIXME: I don't exactly know what sun does here. in both cases they
    // pick values which do *not* simply expose the next cell in a given
    // scroll direction.

    if (orientation == SwingConstants.VERTICAL)
      return direction * rowHeight;
    else
      {
        int sum = 0;
        for (int i = 0; i < getColumnCount(); ++i)
          sum += columnModel.getColumn(0).getWidth();
        int inc = getColumnCount() == 0 ? 10 : sum / getColumnCount();
        return direction * inc;
      }
  }


  public TableCellEditor getCellEditor(int row, int column)
  {
    TableCellEditor editor = columnModel.getColumn(column).getCellEditor();

    if (editor == null)
      editor = getDefaultEditor(dataModel.getColumnClass(column));
    
    return editor;
  }

  public TableCellEditor getDefaultEditor(Class columnClass)
  {
    if (defaultEditorsByColumnClass.containsKey(columnClass))
      return (TableCellEditor) defaultEditorsByColumnClass.get(columnClass);
    else
      {
	// FIXME: We have at least an editor for Object.class in our defaults.
        TableCellEditor r = new DefaultCellEditor(new JTextField());
        defaultEditorsByColumnClass.put(columnClass, r);
        return r;
      }
  }



  public TableCellRenderer getCellRenderer(int row, int column)
  {
    TableCellRenderer renderer =
      columnModel.getColumn(column).getCellRenderer();
    
    if (renderer == null)
      renderer = getDefaultRenderer(dataModel.getColumnClass(column));
    
    return renderer;
  }

  public void setDefaultRenderer(Class columnClass, TableCellRenderer rend)
  {
    defaultRenderersByColumnClass.put(columnClass, rend);
  }

  public TableCellRenderer getDefaultRenderer(Class columnClass)
  {
    if (defaultRenderersByColumnClass.containsKey(columnClass))
      return (TableCellRenderer) defaultRenderersByColumnClass.get(columnClass);
    else
      {
        TableCellRenderer r = new DefaultTableCellRenderer();
        defaultRenderersByColumnClass.put(columnClass, r);
        return r;
      }
  }

  public int convertColumnIndexToModel(int vc)
  {
    if (vc < 0)
      return vc;
    else
      return columnModel.getColumn(vc).getModelIndex();
  }

  public int convertColumnIndexToView(int mc)
  {
    if (mc < 0)
      return mc;
    int ncols = getColumnCount();
    for (int vc = 0; vc < ncols; ++vc)
      {
        if (columnModel.getColumn(vc).getModelIndex() == mc)
          return vc;
      }
    return -1;
  }

  public Component prepareRenderer(TableCellRenderer renderer,
                                   int row,
                                   int column)
  {
    boolean rsa = getRowSelectionAllowed();
    boolean csa = getColumnSelectionAllowed();
    boolean rs = rsa ? getSelectionModel().isSelectedIndex(row) : false;
    boolean cs = csa ? columnModel.getSelectionModel().isSelectedIndex(column) : false;
    boolean isSelected = ((rsa && csa && rs && cs) 
                          || (rsa && !csa && rs) 
                          || (!rsa && csa && cs));
    
    return renderer.getTableCellRendererComponent(this,
                                                  dataModel.getValueAt(row, 
						                       convertColumnIndexToModel(column)),
                                                  isSelected,
                                                  false, // hasFocus
                                                  row, column);
  }


  /**
   * Get the value of the {@link #autoCreateColumnsFromModel} property.
   *
   * @return The current value of the property
   */
  public boolean getAutoCreateColumnsFromModel()
  {
    return autoCreateColumnsFromModel;
  }

  /**
   * Get the value of the {@link #autoResizeMode} property.
   *
   * @return The current value of the property
   */
  public int getAutoResizeMode()
  {
    return autoResizeMode;
  }

  /**
   * Get the value of the {@link #rowHeight} property.
   *
   * @return The current value of the property
   */
  public int getRowHeight()
  {
    return rowHeight;
  }

  /**
   * Get the height of the specified row.
   *
   * @param row the row whose height to return
   */
  public int getRowHeight(int row)
  {
    // FIXME: return the height of the specified row
    // which may be different from the general rowHeight
    return rowHeight;
  }


  /**
   * Get the value of the {@link #rowMargin} property.
   *
   * @return The current value of the property
   */
  public int getRowMargin()
  {
    return rowMargin;
  }

  /**
   * Get the value of the {@link #rowSelectionAllowed} property.
   *
   * @return The current value of the property
   */
  public boolean getRowSelectionAllowed()
  {
    return rowSelectionAllowed;
  }

  /**
   * Get the value of the {@link #cellSelectionEnabled} property.
   *
   * @return The current value of the property
   */
  public boolean getCellSelectionEnabled()
  {
    return getColumnSelectionAllowed() && getRowSelectionAllowed();
  }

  /**
   * Get the value of the {@link #dataModel} property.
   *
   * @return The current value of the property
   */
  public TableModel getModel()
  {
    return dataModel;
  }

  /**
   * Get the value of the <code>columnCount</code> property by
   * delegation to the @{link #columnModel} field.
   *
   * @return The current value of the columnCount property
   */
  public int getColumnCount()
  {
    return columnModel.getColumnCount();    
  }

  /**
   * Get the value of the <code>rowCount</code> property by
   * delegation to the @{link #dataModel} field.
   *
   * @return The current value of the rowCount property
   */
  public int getRowCount()
  {
    return dataModel.getRowCount();
  }

  /**
   * Get the value of the {@link #columnModel} property.
   *
   * @return The current value of the property
   */
  public TableColumnModel getColumnModel()
  {
    return columnModel;
  }

  /**
   * Get the value of the <code>selectedColumn</code> property by
   * delegation to the @{link #columnModel} field.
   *
   * @return The current value of the selectedColumn property
   */
  public int getSelectedColumn()
  {
    return columnModel.getSelectionModel().getMinSelectionIndex();
  }

  private static int countSelections(ListSelectionModel lsm)
  {
    int lo = lsm.getMinSelectionIndex();
    int hi = lsm.getMaxSelectionIndex();
    int sum = 0;
    if (lo != -1 && hi != -1)
      {
        switch (lsm.getSelectionMode())
          {
          case ListSelectionModel.SINGLE_SELECTION:
            sum = 1;
            break;
            
          case ListSelectionModel.SINGLE_INTERVAL_SELECTION:
            sum = hi - lo + 1;
            break;
            
          case ListSelectionModel.MULTIPLE_INTERVAL_SELECTION:        
            for (int i = lo; i <= hi; ++i)
              if (lsm.isSelectedIndex(i))        
                ++sum;
            break;
          }
      }
    return sum;
  }

  private static int[] getSelections(ListSelectionModel lsm)
  {
    int sz = countSelections(lsm);
    int [] ret = new int[sz];

    int lo = lsm.getMinSelectionIndex();
    int hi = lsm.getMaxSelectionIndex();
    int j = 0;
    java.util.ArrayList ls = new java.util.ArrayList();
    if (lo != -1 && hi != -1)
      {
        switch (lsm.getSelectionMode())
          {
          case ListSelectionModel.SINGLE_SELECTION:
            ret[0] = lo;
            break;      
      
          case ListSelectionModel.SINGLE_INTERVAL_SELECTION:            
            for (int i = lo; i <= hi; ++i)
              ret[j++] = i;
            break;
            
          case ListSelectionModel.MULTIPLE_INTERVAL_SELECTION:        
            for (int i = lo; i <= hi; ++i)
              if (lsm.isSelectedIndex(i))        
                ret[j++] = i;
            break;
          }
      }
    return ret;
  }

  /**
   * Get the value of the <code>selectedColumnCount</code> property by
   * delegation to the @{link #columnModel} field.
   *
   * @return The current value of the selectedColumnCount property
   */  
  public int getSelectedColumnCount()
  {
    return countSelections(columnModel.getSelectionModel());
  }

  /**
   * Get the value of the <code>selectedColumns</code> property by
   * delegation to the @{link #columnModel} field.
   *
   * @return The current value of the selectedColumns property
   */
  public int[] getSelectedColumns()
  {
    return getSelections(columnModel.getSelectionModel());
  }

  /**
   * Get the value of the <code>columnSelectionAllowed</code> property.
   *
   * @return The current value of the columnSelectionAllowed property
   */
  public boolean getColumnSelectionAllowed()
  {
    return getColumnModel().getColumnSelectionAllowed();
  }

  /**
   * Get the value of the <code>selectedRowCount</code> property by
   * delegation to the @{link #selectionModel} field.
   *
   * @return The current value of the selectedRowCount property
   */
  public int getSelectedRowCount()
  {
    return countSelections(selectionModel);
  }

  /**
   * Get the value of the <code>selectedRows</code> property by
   * delegation to the @{link #selectionModel} field.
   *
   * @return The current value of the selectedRows property
   */
  public int[] getSelectedRows()
  {
    return getSelections(selectionModel);
  }

  /**
   * Get the value of the {@link #accessibleContext} property.
   *
   * @return The current value of the property
   */
  public AccessibleContext getAccessibleContext()
  {
    return accessibleContext;
  }

  /**
   * Get the value of the {@link #cellEditor} property.
   *
   * @return The current value of the property
   */
  public TableCellEditor getCellEditor()
  {
    return cellEditor;
  }

  /**
   * Get the value of the {@link #dragEnabled} property.
   *
   * @return The current value of the property
   */
  public boolean getDragEnabled()
  {
    return dragEnabled;
  }

  /**
   * Get the value of the {@link #gridColor} property.
   *
   * @return The current value of the property
   */
  public Color getGridColor()
  {
    return gridColor;
  }

  /**
   * Get the value of the <code>intercellSpacing</code> property.
   *
   * @return The current value of the