jtable.java

Mac OS X 10.4.9 for x86 Source Code gcc 实现源代码

    if (c != null)
      c.addCellEditorListener(this);
    cellEditor = c;
  }

  /**
   * Set the value of the {@link #dragEnabled} property.
   *
   * @param d The new value of the dragEnabled property
   */ 
  public void setDragEnabled(boolean d)
  {
    dragEnabled = d;
  }

  /**
   * Set the value of the {@link #gridColor} property.
   *
   * @param g The new value of the gridColor property
   */ 
  public void setGridColor(Color g)
  {
    gridColor = g;
    repaint();
  }

  /**
   * Set the value of the {@link #intercellSpacing} property.
   *
   * @param i The new value of the intercellSpacing property
   */ 
  public void setIntercellSpacing(Dimension i)
  {
    rowMargin = i.height;
    columnModel.setColumnMargin(i.width);
    repaint();
  }

  /**
   * Set the value of the {@link #preferredViewportSize} property.
   *
   * @param p The new value of the preferredViewportSize property
   */ 
  public void setPreferredScrollableViewportSize(Dimension p)
  {
    preferredViewportSize = p;
    revalidate();
    repaint();
  }

  /**
   * <p>Set the value of the {@link #selectionBackground} property.</p>
   *
   * <p>Fire a PropertyChangeEvent with name {@link
   * #SELECTION_BACKGROUND_CHANGED_PROPERTY} to registered listeners, if
   * selectionBackground changed.</p>
   *
   * @param s The new value of the selectionBackground property
   */ 
  public void setSelectionBackground(Color s)
  {
    Color tmp = selectionBackground;
    selectionBackground = s;
    if (((tmp == null && s != null)
         || (s == null && tmp != null)
         || (tmp != null && s != null && !tmp.equals(s))))
      firePropertyChange(SELECTION_BACKGROUND_CHANGED_PROPERTY, tmp, s);
    repaint();
  }

  /**
   * <p>Set the value of the {@link #selectionForeground} property.</p>
   *
   * <p>Fire a PropertyChangeEvent with name {@link
   * SELECTION_FOREGROUND_CHANGED_PROPERTY} to registered listeners, if
   * selectionForeground changed.</p>
   *
   * @param s The new value of the selectionForeground property
   */ 
  public void setSelectionForeground(Color s)
  {
    Color tmp = selectionForeground;
    selectionForeground = s;
    if (((tmp == null && s != null)
         || (s == null && tmp != null)
         || (tmp != null && s != null && !tmp.equals(s))))
      firePropertyChange(SELECTION_FOREGROUND_CHANGED_PROPERTY, tmp, s);
    repaint();
  }

  /**
   * Set the value of the {@link #showGrid} property.
   *
   * @param s The new value of the showGrid property
   */ 
  public void setShowGrid(boolean s)
  {
    setShowVerticalLines(s);
    setShowHorizontalLines(s);
  }

  /**
   * Set the value of the {@link #showHorizontalLines} property.
   *
   * @param s The new value of the showHorizontalLines property
   */ 
  public void setShowHorizontalLines(boolean s)
  {
    showHorizontalLines = s;
    repaint();
  }

  /**
   * Set the value of the {@link #showVerticalLines} property.
   *
   * @param s The new value of the showVerticalLines property
   */ 
  public void setShowVerticalLines(boolean s)
  {
    showVerticalLines = s;
    repaint();
  }

  /**
   * Set the value of the {@link #tableHeader} property.
   *
   * @param t The new value of the tableHeader property
   */ 
  public void setTableHeader(JTableHeader t)
  {
    if (tableHeader != null)
      tableHeader.setTable(null);
    tableHeader = t;
    if (tableHeader != null)
      tableHeader.setTable(this);
    revalidate();
    repaint();
  }

  protected void configureEnclosingScrollPane()
  {
    JScrollPane jsp = (JScrollPane) SwingUtilities.getAncestorOfClass(JScrollPane.class, this);
    if (jsp != null && tableHeader != null)
      {
        jsp.setColumnHeaderView(tableHeader);
      }
  }

  protected void unconfigureEnclosingScrollPane()
  {
    JScrollPane jsp = (JScrollPane) SwingUtilities.getAncestorOfClass(JScrollPane.class, this);
    if (jsp != null)
      {
        jsp.setColumnHeaderView(null);
      }    
  }


  public void addNotify()
  {
    super.addNotify();
    configureEnclosingScrollPane();
  }

  public void removeNotify()
  {
    super.addNotify();
    unconfigureEnclosingScrollPane();
  }


  /**
   * Sun javadocs describe an unusual implementation of
   * <code>doLayout</code> which involves some private interfaces. We try
   * to implement the same algorithm as is documented, but using the
   * columnModel directly. We still use a private helper method, but it has
   * a simpler signature.
   */

  private void distributeSpill(TableColumn[] cols, int spill)
  {
    int MIN = 0;
    int MAX = 0;
    int PREF = 0;

    int[] min = new int[cols.length];
    int[] max = new int[cols.length];
    int[] pref = new int[cols.length];

    for (int i = 0; i < cols.length; ++i)
      {
        pref[i] = cols[i].getPreferredWidth();
        min[i] = cols[i].getMinWidth();
        max[i] = cols[i].getMaxWidth();
        PREF += pref[i];
        MIN += min[i];
        MAX += max[i];
      }

    for (int i = 0; i < cols.length; ++i)
      {
        int adj = 0;
        if (spill > 0)          
          adj = (spill * (pref[i] - min[i])) / (PREF - MIN);
        else
          adj = (spill * (max[i] - pref[i])) / (MAX - PREF);
        cols[i].setWidth(pref[i] + adj);        
      }    
  }
  
  public void doLayout()
  {
    TableColumn resizingColumn = null;

    int ncols = getColumnCount();
    if (ncols < 1)
      return;

    int[] pref = new int[ncols];
    int prefSum = 0;
    int rCol = -1;

    if (tableHeader != null)
      resizingColumn = tableHeader.getResizingColumn();

    for (int i = 0; i < ncols; ++i)
      {
        TableColumn col = columnModel.getColumn(i);
        int p = col.getWidth();
        pref[i] = p;
        prefSum += p;
        if (resizingColumn == col)
          rCol = i;
      }

    int spill = prefSum - getWidth();

    if (resizingColumn != null)
      {
        TableColumn col;
        TableColumn [] cols;

        switch (getAutoResizeMode())
          {
          case AUTO_RESIZE_LAST_COLUMN:
            col = columnModel.getColumn(ncols-1);
            col.setWidth(col.getPreferredWidth() + spill);
            break;
            
          case AUTO_RESIZE_NEXT_COLUMN:
            col = columnModel.getColumn(ncols-1);
            col.setWidth(col.getPreferredWidth() + spill);
            break;

          case AUTO_RESIZE_ALL_COLUMNS:
            cols = new TableColumn[ncols];
            for (int i = 0; i < ncols; ++i)
              cols[i] = columnModel.getColumn(i);
            distributeSpill(cols, spill);
            break;

          case AUTO_RESIZE_SUBSEQUENT_COLUMNS:
            cols = new TableColumn[ncols];
            for (int i = rCol; i < ncols; ++i)
              cols[i] = columnModel.getColumn(i);
            distributeSpill(cols, spill);
            break;

          case AUTO_RESIZE_OFF:
          default:
          }
      }
    else
      {
        TableColumn [] cols = new TableColumn[ncols];
        for (int i = 0; i < ncols; ++i)
          cols[i] = columnModel.getColumn(i);
        distributeSpill(cols, spill);        
      }
  }
  
  /**
   * @deprecated Replaced by <code>doLayout()</code>
   */
  public void sizeColumnsToFit(boolean lastColumnOnly)
  {
    doLayout();
  }

  /**
   * Obsolete since JDK 1.4. Please use <code>doLayout()</code>.
   */
  public void sizeColumnsToFit(int resizingColumn)
  {
    doLayout();
  }

  public String getUIClassID()
  {
    return "TableUI";
  }

  /**
   * This method returns the table's UI delegate.
   *
   * @return The table's UI delegate.
   */
  public TableUI getUI()
  {
    return (TableUI) ui;
  }

  /**
   * This method sets the table's UI delegate.
   *
   * @param ui The table's UI delegate.
   */
  public void setUI(TableUI ui)
  {
    super.setUI(ui);
  }

  public void updateUI()
  {
    setUI((TableUI) UIManager.getUI(this));
    revalidate();
    repaint();
  }

  public Class getColumnClass(int column)
  {
    return dataModel.getColumnClass(column);
  }
  
  public String getColumnName(int column)
  {
    return dataModel.getColumnName(column);
  }

  public int getEditingColumn()
  {
    return editingColumn;
  }

  public void setEditingColumn(int column)
  {
    editingColumn = column;
  }
  
  public int getEditingRow()
  {
    return editingRow;
  }

  public void setEditingRow(int column)
  {
    editingRow = column;
  }
  
  public Component getEditorComponent()
  {
    return editorComp;
  }
  
  public boolean isEditing()
  {
    return editorComp != null;
  }

  public void setDefaultEditor(Class columnClass, TableCellEditor editor)
  {
    if (editor != null)
      defaultEditorsByColumnClass.put(columnClass, editor);
    else
      defaultEditorsByColumnClass.remove(columnClass);
  }

  public void addColumnSelectionInterval(int index0, int index1)
  {
    if ((index0 < 0 || index0 > (getColumnCount()-1)
         || index1 < 0 || index1 > (getColumnCount()-1)))
      throw new IllegalArgumentException("Column index out of range.");
    
    getColumnModel().getSelectionModel().addSelectionInterval(index0, index1);
  }
  
  public void addRowSelectionInterval(int index0, int index1)
  {            
    if ((index0 < 0 || index0 > (getRowCount()-1)
         || index1 < 0 || index1 > (getRowCount()-1)))
      throw new IllegalArgumentException("Row index out of range.");
      	
    getSelectionModel().addSelectionInterval(index0, index1);
  }
  
  public void setColumnSelectionInterval(int index0, int index1)
  {
    if ((index0 < 0 || index0 > (getColumnCount()-1)
         || index1 < 0 || index1 > (getColumnCount()-1)))
      throw new IllegalArgumentException("Column index out of range.");

    getColumnModel().getSelectionModel().setSelectionInterval(index0, index1);
  }
  
  public void setRowSelectionInterval(int index0, int index1)
  {    
    if ((index0 < 0 || index0 > (getRowCount()-1)
         || index1 < 0 || index1 > (getRowCount()-1)))
      throw new IllegalArgumentException("Row index out of range.");

    getSelectionModel().setSelectionInterval(index0, index1);
  }
  
  public void removeColumnSelectionInterval(int index0, int index1)  
  {
    if ((index0 < 0 || index0 > (getColumnCount()-1)
         || index1 < 0 || index1 > (getColumnCount()-1)))
      throw new IllegalArgumentException("Column index out of range.");

    getColumnModel().getSelectionModel().removeSelectionInterval(index0, index1);
  }
  
  public void removeRowSelectionInterval(int index0, int index1)
  {
    if ((index0 < 0 || index0 > (getRowCount()-1)
         || index1 < 0 || index1 > (getRowCount()-1)))
      throw new IllegalArgumentException("Row index out of range.");

    getSelectionModel().removeSelectionInterval(index0, index1);
  }
  
  public boolean isColumnSelected(int column)
  {
    return getColumnModel().getSelectionModel().isSelectedIndex(column);
  }

  public boolean isRowSelected(int row)
  {
    return getSelectionModel().isSelectedIndex(row);
  }

  public boolean isCellSelected(int row, int column)
  {
    return isRowSelected(row) && isColumnSelected(column);
  }
  
  public void selectAll()
  {
    setColumnSelectionInterval(0, getColumnCount() - 1);
    setRowSelectionInterval(0, getRowCount() - 1);
  }

  public Object getValueAt(int row, int column)
  {
    return dataModel.getValueAt(row, convertColumnIndexToModel(column));
  }

  public void setValueAt(Object value, int row, int column)
  {
    dataModel.setValueAt(value, row, convertColumnIndexToModel(column));
  }

  public TableColumn getColumn(Object identifier)
  {
    return columnModel.getColumn(columnModel.getColumnIndex(identifier));
  }
}