| /* JTableHeader.java -- |
| Copyright (C) 2003, 2004, 2005, 2006, Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package javax.swing.table; |
| |
| import java.awt.Color; |
| import java.awt.Component; |
| import java.awt.Cursor; |
| import java.awt.Dimension; |
| import java.awt.Font; |
| import java.awt.FontMetrics; |
| import java.awt.Point; |
| import java.awt.Rectangle; |
| import java.awt.event.FocusListener; |
| import java.beans.PropertyChangeListener; |
| import java.util.Locale; |
| |
| import javax.accessibility.Accessible; |
| import javax.accessibility.AccessibleAction; |
| import javax.accessibility.AccessibleComponent; |
| import javax.accessibility.AccessibleContext; |
| import javax.accessibility.AccessibleRole; |
| import javax.accessibility.AccessibleSelection; |
| import javax.accessibility.AccessibleStateSet; |
| import javax.accessibility.AccessibleText; |
| import javax.accessibility.AccessibleValue; |
| import javax.swing.JComponent; |
| import javax.swing.JTable; |
| import javax.swing.UIManager; |
| import javax.swing.event.ChangeEvent; |
| import javax.swing.event.ListSelectionEvent; |
| import javax.swing.event.TableColumnModelEvent; |
| import javax.swing.event.TableColumnModelListener; |
| import javax.swing.plaf.TableHeaderUI; |
| |
| /** |
| * Represents the table header. The header displays the column header values, |
| * is always visible event if the rest of the table scrolls up and down and |
| * supports column reordering and resizing with mouse. |
| */ |
| public class JTableHeader extends JComponent |
| implements TableColumnModelListener, Accessible |
| { |
| protected class AccessibleJTableHeader extends AccessibleJComponent |
| { |
| protected class AccessibleJTableHeaderEntry extends AccessibleContext |
| implements Accessible, AccessibleComponent |
| { |
| |
| private int columnIndex; |
| |
| private JTableHeader parent; |
| |
| private JTable table; |
| |
| public AccessibleJTableHeaderEntry(int c, JTableHeader p, JTable t) |
| { |
| columnIndex = c; |
| parent = p; |
| table = t; |
| } |
| |
| /** |
| * Returns the column header renderer. |
| * |
| * @return The column header renderer. |
| */ |
| Component getColumnHeaderRenderer() |
| { |
| TableColumn tc = parent.getColumnModel().getColumn(columnIndex); |
| TableCellRenderer r = tc.getHeaderRenderer(); |
| if (r == null) |
| r = parent.getDefaultRenderer(); |
| return r.getTableCellRendererComponent(table, tc.headerValue, |
| false, false, -1, columnIndex); |
| } |
| |
| /** |
| * Returns the accessible context for the column header renderer, or |
| * <code>null</code>. |
| * |
| * @return The accessible context. |
| */ |
| AccessibleContext getAccessibleColumnHeaderRenderer() |
| { |
| Component c = getColumnHeaderRenderer(); |
| if (c instanceof Accessible) |
| return c.getAccessibleContext(); |
| return null; |
| } |
| |
| /** |
| * @see #removeFocusListener(FocusListener) |
| */ |
| public void addFocusListener(FocusListener l) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| c.addFocusListener(l); |
| } |
| |
| /** |
| * @see #removePropertyChangeListener(PropertyChangeListener) |
| */ |
| public void addPropertyChangeListener(PropertyChangeListener l) |
| { |
| // add the listener to the accessible context for the header |
| // renderer... |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| if (ac != null) |
| ac.addPropertyChangeListener(l); |
| } |
| |
| public boolean contains(Point p) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| return c.contains(p); |
| else |
| return false; |
| } |
| |
| public AccessibleAction getAccessibleAction() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| if (ac instanceof AccessibleAction) |
| return (AccessibleAction) ac; |
| else |
| return null; |
| } |
| |
| public Accessible getAccessibleAt(Point p) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| return c.getAccessibleAt(p); |
| else |
| return null; |
| } |
| |
| /** |
| * Returns <code>null</code> as the header entry has no accessible |
| * children. |
| * |
| * @return <code>null</code>. |
| */ |
| public Accessible getAccessibleChild(int i) |
| { |
| return null; |
| } |
| |
| /** |
| * Returns the number of accessible children, zero in this case. |
| * |
| * @return 0 |
| */ |
| public int getAccessibleChildrenCount() |
| { |
| return 0; |
| } |
| |
| /** |
| * Returns the accessible component for this header entry. |
| * |
| * @return <code>this</code>. |
| */ |
| public AccessibleComponent getAccessibleComponent() |
| { |
| return this; |
| } |
| |
| /** |
| * Returns the accessible context for this header entry. |
| * |
| * @return <code>this</code>. |
| */ |
| public AccessibleContext getAccessibleContext() |
| { |
| return this; |
| } |
| |
| /** |
| * Returns the accessible description. |
| * |
| * @return The accessible description. |
| * |
| * @see #setAccessibleDescription(String) |
| */ |
| public String getAccessibleDescription() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| if (ac != null) |
| return ac.getAccessibleDescription(); |
| return accessibleDescription; |
| } |
| |
| /** |
| * Returns the index of this header entry. |
| * |
| * @return The index of this header entry. |
| */ |
| public int getAccessibleIndexInParent() |
| { |
| return columnIndex; |
| } |
| |
| /** |
| * Returns the accessible name. |
| * |
| * @return The accessible name. |
| * |
| * @see #setAccessibleName(String) |
| */ |
| public String getAccessibleName() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| if (ac != null) |
| return ac.getAccessibleName(); |
| return accessibleName; |
| } |
| |
| /** |
| * Returns the accessible role for the header entry. |
| * |
| * @return The accessible role. |
| */ |
| public AccessibleRole getAccessibleRole() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| if (ac != null) |
| return ac.getAccessibleRole(); |
| else |
| return null; |
| } |
| |
| public AccessibleSelection getAccessibleSelection() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| if (ac instanceof AccessibleValue) |
| return (AccessibleSelection) ac; |
| else |
| return null; |
| } |
| |
| public AccessibleStateSet getAccessibleStateSet() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| if (ac != null) |
| return ac.getAccessibleStateSet(); |
| else |
| return null; |
| } |
| |
| public AccessibleText getAccessibleText() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| if (ac != null) |
| return ac.getAccessibleText(); |
| else |
| return null; |
| } |
| |
| public AccessibleValue getAccessibleValue() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| if (ac instanceof AccessibleValue) |
| return (AccessibleValue) ac; |
| else |
| return null; |
| } |
| |
| public Color getBackground() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| return c.getBackground(); |
| else |
| return null; |
| } |
| |
| public Rectangle getBounds() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| return c.getBounds(); |
| else |
| return null; |
| } |
| |
| public Cursor getCursor() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| return c.getCursor(); |
| else |
| return null; |
| } |
| |
| public Font getFont() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| return c.getFont(); |
| else |
| return null; |
| } |
| |
| public FontMetrics getFontMetrics(Font f) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| return c.getFontMetrics(f); |
| else |
| return null; |
| } |
| |
| public Color getForeground() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| return c.getForeground(); |
| else |
| return null; |
| } |
| |
| public Locale getLocale() |
| { |
| Component c = getColumnHeaderRenderer(); |
| if (c != null) |
| return c.getLocale(); |
| return null; |
| } |
| |
| public Point getLocation() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| return c.getLocation(); |
| else |
| return null; |
| } |
| |
| public Point getLocationOnScreen() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| return c.getLocationOnScreen(); |
| else |
| return null; |
| } |
| |
| public Dimension getSize() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| return c.getSize(); |
| else |
| return null; |
| } |
| |
| public boolean isEnabled() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| return c.isEnabled(); |
| else |
| return false; |
| } |
| |
| public boolean isFocusTraversable() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| return c.isFocusTraversable(); |
| else |
| return false; |
| } |
| |
| public boolean isShowing() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| return c.isShowing(); |
| else |
| return false; |
| } |
| |
| public boolean isVisible() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| return c.isVisible(); |
| else |
| return false; |
| } |
| |
| /** |
| * @see #addFocusListener(FocusListener) |
| */ |
| public void removeFocusListener(FocusListener l) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| c.removeFocusListener(l); |
| } |
| |
| /** |
| * @see #addPropertyChangeListener(PropertyChangeListener) |
| */ |
| public void removePropertyChangeListener(PropertyChangeListener l) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| if (ac != null) |
| ac.removePropertyChangeListener(l); |
| } |
| |
| /** |
| * @see #addFocusListener(FocusListener) |
| */ |
| public void requestFocus() |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent c = ac.getAccessibleComponent(); |
| if (c != null) |
| c.requestFocus(); |
| } |
| |
| /** |
| * @see #getAccessibleDescription() |
| */ |
| public void setAccessibleDescription(String s) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| if (ac != null) |
| ac.setAccessibleDescription(s); |
| else |
| accessibleDescription = s; |
| } |
| |
| /** |
| * @see #getAccessibleName() |
| */ |
| public void setAccessibleName(String s) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| if (ac != null) |
| ac.setAccessibleName(s); |
| } |
| |
| public void setBackground(Color c) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent comp = ac.getAccessibleComponent(); |
| if (comp != null) |
| comp.setBackground(c); |
| } |
| |
| public void setBounds(Rectangle r) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent comp = ac.getAccessibleComponent(); |
| if (comp != null) |
| comp.setBounds(r); |
| } |
| |
| public void setCursor(Cursor c) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent comp = ac.getAccessibleComponent(); |
| if (comp != null) |
| comp.setCursor(c); |
| } |
| |
| public void setEnabled(boolean b) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent comp = ac.getAccessibleComponent(); |
| if (comp != null) |
| comp.setEnabled(b); |
| } |
| |
| public void setFont(Font f) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent comp = ac.getAccessibleComponent(); |
| if (comp != null) |
| comp.setFont(f); |
| } |
| |
| public void setForeground(Color c) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent comp = ac.getAccessibleComponent(); |
| if (comp != null) |
| comp.setForeground(c); |
| } |
| |
| public void setLocation(Point p) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent comp = ac.getAccessibleComponent(); |
| if (comp != null) |
| comp.setLocation(p); |
| } |
| |
| public void setSize(Dimension d) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent comp = ac.getAccessibleComponent(); |
| if (comp != null) |
| comp.setSize(d); |
| } |
| |
| public void setVisible(boolean b) |
| { |
| AccessibleContext ac = getAccessibleColumnHeaderRenderer(); |
| AccessibleComponent comp = ac.getAccessibleComponent(); |
| if (comp != null) |
| comp.setVisible(b); |
| } |
| }; |
| |
| public AccessibleRole getAccessibleRole() |
| { |
| return AccessibleRole.PANEL; |
| } |
| |
| public int getAccessibleChildrenCount() |
| { |
| return table.getColumnCount(); |
| } |
| |
| public Accessible getAccessibleChild(int i) |
| { |
| return new AccessibleJTableHeaderEntry(i, JTableHeader.this, table); |
| } |
| |
| public Accessible getAccessibleAt(Point p) |
| { |
| return getAccessibleChild(columnAtPoint(p)); |
| } |
| } |
| |
| /** |
| * Use serialVersionUid for interoperability. |
| */ |
| private static final long serialVersionUID = 5144633983372967710L; |
| |
| /** |
| * The columnModel property. |
| */ |
| protected TableColumnModel columnModel; |
| |
| /** |
| * The draggedColumn property. |
| */ |
| protected TableColumn draggedColumn; |
| |
| /** |
| * The draggedDistance property. |
| */ |
| protected int draggedDistance; |
| |
| /** |
| * The opaque property. |
| */ |
| boolean opaque; |
| |
| /** |
| * The reorderingAllowed property. |
| */ |
| protected boolean reorderingAllowed; |
| |
| /** |
| * The resizingAllowed property. |
| */ |
| protected boolean resizingAllowed = true; |
| |
| /** |
| * The resizingColumn property. |
| */ |
| protected TableColumn resizingColumn; |
| |
| /** |
| * The table property. |
| */ |
| protected JTable table; |
| |
| /** |
| * The updateTableInRealTime property. |
| */ |
| protected boolean updateTableInRealTime; |
| |
| TableCellRenderer cellRenderer; |
| |
| /** |
| * Creates a new default instance. |
| */ |
| public JTableHeader() |
| { |
| this(null); |
| } |
| |
| /** |
| * Creates a new header. If <code>cm</code> is <code>null</code>, a new |
| * table column model is created by calling |
| * {@link #createDefaultColumnModel()}. |
| * |
| * @param cm the table column model (<code>null</code> permitted). |
| */ |
| public JTableHeader(TableColumnModel cm) |
| { |
| columnModel = cm == null ? createDefaultColumnModel() : cm; |
| initializeLocalVars(); |
| updateUI(); |
| } |
| |
| /** |
| * Creates a default table column model. |
| * |
| * @return A default table column model. |
| */ |
| protected TableColumnModel createDefaultColumnModel() |
| { |
| return new DefaultTableColumnModel(); |
| } |
| |
| /** |
| * 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 #columnModel} property. |
| * |
| * @return The current value of the property |
| */ |
| public TableColumnModel getColumnModel() |
| { |
| return columnModel; |
| } |
| |
| /** |
| * Get the column that is currently being dragged. This is used when |
| * handling the column reordering with mouse. |
| * |
| * @return the column being dragged, null if none. |
| */ |
| public TableColumn getDraggedColumn() |
| { |
| return draggedColumn; |
| } |
| |
| /** |
| * Get the value of the {@link #draggedDistance} property. |
| * |
| * @return The current value of the property |
| */ |
| public int getDraggedDistance() |
| { |
| return draggedDistance; |
| } |
| |
| /** |
| * Check if it is possible to reorder the table columns by dragging column |
| * header with mouse. The table reordering is enabled by default, but can be |
| * disabled with {@link #setReorderingAllowed(boolean)}. |
| * |
| * @return true if reordering is allowed, false otherwise. |
| */ |
| public boolean getReorderingAllowed() |
| { |
| return reorderingAllowed; |
| } |
| |
| /** |
| * Check if it is possible to resize the table columns by dragging the column |
| * boundary in the table header with mouse. The resizing is enabled |
| * by default, but can be disabled with {@link #setResizingAllowed(boolean)}. |
| * |
| * @return true if resizing is allowed, false otherwise. |
| */ |
| public boolean getResizingAllowed() |
| { |
| return resizingAllowed; |
| } |
| |
| /** |
| * Get the column that is currently being resized. This is used when |
| * handling the column resizing with mouse. |
| * |
| * @return the column being currently resized, null if none. |
| */ |
| public TableColumn getResizingColumn() |
| { |
| return resizingColumn; |
| } |
| |
| /** |
| * Get the table, having this header. |
| * |
| * @return the table, having this header. |
| */ |
| public JTable getTable() |
| { |
| return table; |
| } |
| |
| /** |
| * Get the value of the {@link #updateTableInRealTime} property. |
| * |
| * @return The current value of the property |
| */ |
| public boolean getUpdateTableInRealTime() |
| { |
| return updateTableInRealTime; |
| } |
| |
| /** |
| * Get the value of the {@link #opaque} property. |
| * |
| * @return The current value of the property |
| */ |
| public boolean isOpaque() |
| { |
| return opaque; |
| } |
| |
| /** |
| * Set the value of the {@link #columnModel} property. |
| * |
| * @param c The new value of the property |
| */ |
| public void setColumnModel(TableColumnModel c) |
| { |
| columnModel.removeColumnModelListener(this); |
| columnModel = c; |
| columnModel.addColumnModelListener(this); |
| } |
| |
| /** |
| * Set the column that is currently being dragged. This is used when |
| * dragging the column with mouse. Setting to null will stop the |
| * dragging session immediately. |
| * |
| * @param draggingIt the column being currently dragged, null if none. |
| */ |
| public void setDraggedColumn(TableColumn draggingIt) |
| { |
| draggedColumn = draggingIt; |
| } |
| |
| /** |
| * Set the value of the {@link #draggedDistance} property. |
| * |
| * @param d The new value of the property |
| */ |
| public void setDraggedDistance(int d) |
| { |
| draggedDistance = d; |
| } |
| |
| /** |
| * Set the value of the {@link #opaque} property. |
| * |
| * @param o The new value of the property |
| */ |
| public void setOpaque(boolean o) |
| { |
| opaque = o; |
| } |
| |
| /** |
| * Set the table ability to reorder columns by dragging column header |
| * with mouse. The table reordering is enabled by default, but can be |
| * disabled with this method. |
| * |
| * @param allowed true if reordering is allowed, false otherwise. |
| */ |
| public void setReorderingAllowed(boolean allowed) |
| { |
| reorderingAllowed = allowed; |
| } |
| |
| /** |
| * Set the table ability to resize columns by dragging the column |
| * boundary in the table header with mouse. The resizing is enabled |
| * by default, but can be disabled using this method. |
| * |
| * @param allowed true if resizing is allowed, false otherwise. |
| */ |
| public void setResizingAllowed(boolean allowed) |
| { |
| resizingAllowed = allowed; |
| } |
| |
| /** |
| * The the column that is currently being resized. This property is used |
| * when handling table resizing with mouse. Setting to null would stop |
| * the resizing session immediately. |
| * |
| * @param resizingIt the column being currently resized |
| */ |
| public void setResizingColumn(TableColumn resizingIt) |
| { |
| resizingColumn = resizingIt; |
| } |
| |
| /** |
| * Set the value of the {@link #table} property. |
| * |
| * @param t The new value of the property |
| */ |
| public void setTable(JTable t) |
| { |
| table = t; |
| } |
| |
| /** |
| * Set the value of the {@link #updateTableInRealTime} property. |
| * |
| * @param u The new value of the property |
| */ |
| public void setUpdateTableInRealTime(boolean u) |
| { |
| updateTableInRealTime = u; |
| } |
| |
| /** |
| * Creates a default renderer. |
| * |
| * @return A default renderer. |
| */ |
| protected TableCellRenderer createDefaultRenderer() |
| { |
| return new DefaultTableCellRenderer(); |
| } |
| |
| /** |
| * Returns the default table cell renderer. |
| * |
| * @return The default table cell renderer. |
| */ |
| public TableCellRenderer getDefaultRenderer() |
| { |
| return cellRenderer; |
| } |
| |
| /** |
| * Sets the default table cell renderer. |
| * |
| * @param cellRenderer the renderer. |
| */ |
| public void setDefaultRenderer(TableCellRenderer cellRenderer) |
| { |
| this.cellRenderer = cellRenderer; |
| } |
| |
| /** |
| * Get the rectangle, occupied by the header of the given column. |
| * |
| * @param column the column, for that the header area is requested. |
| * |
| * @return the column header area. |
| */ |
| public Rectangle getHeaderRect(int column) |
| { |
| Rectangle r = getTable().getCellRect(-1, column, false); |
| r.height = getHeight(); |
| return r; |
| } |
| |
| protected String paramString() |
| { |
| return "JTableHeader"; |
| } |
| |
| // UI support |
| |
| public String getUIClassID() |
| { |
| return "TableHeaderUI"; |
| } |
| |
| public TableHeaderUI getUI() |
| { |
| return (TableHeaderUI) ui; |
| } |
| |
| public void setUI(TableHeaderUI u) |
| { |
| super.setUI(u); |
| } |
| |
| public void updateUI() |
| { |
| setUI((TableHeaderUI) UIManager.getUI(this)); |
| } |
| |
| /** |
| * Returns the index of the column at the specified point. |
| * |
| * @param point the point. |
| * |
| * @return The column index, or -1. |
| */ |
| public int columnAtPoint(Point point) |
| { |
| if (getBounds().contains(point)) |
| return columnModel.getColumnIndexAtX(point.x); |
| |
| return -1; |
| } |
| |
| /** |
| * Receives notification when a column is added to the column model. |
| * |
| * @param event the table column model event |
| */ |
| public void columnAdded(TableColumnModelEvent event) |
| { |
| // TODO: What else to do here (if anything)? |
| resizeAndRepaint(); |
| } |
| |
| /** |
| * Receives notification when a column margin changes in the column model. |
| * |
| * @param event the table column model event |
| */ |
| public void columnMarginChanged(ChangeEvent event) |
| { |
| // TODO: What else to do here (if anything)? |
| resizeAndRepaint(); |
| } |
| |
| /** |
| * Receives notification when a column is moved within the column model. |
| * |
| * @param event the table column model event |
| */ |
| public void columnMoved(TableColumnModelEvent event) |
| { |
| // TODO: What else to do here (if anything)? |
| resizeAndRepaint(); |
| } |
| |
| /** |
| * Receives notification when a column is removed from the column model. |
| * |
| * @param event the table column model event |
| */ |
| public void columnRemoved(TableColumnModelEvent event) |
| { |
| // TODO: What else to do here (if anything)? |
| resizeAndRepaint(); |
| } |
| |
| /** |
| * Receives notification when the column selection has changed. |
| * |
| * @param event the table column model event |
| */ |
| public void columnSelectionChanged(ListSelectionEvent event) |
| { |
| // TODO: What else to do here (if anything)? |
| resizeAndRepaint(); |
| } |
| |
| /** |
| * Validates the layout of this table header and repaints it. This is |
| * equivalent to <code>revalidate()</code> followed by |
| * <code>repaint()</code>. |
| */ |
| public void resizeAndRepaint() |
| { |
| revalidate(); |
| repaint(); |
| } |
| |
| /** |
| * Initializes the fields and properties of this class with default values. |
| * This is called by the constructors. |
| */ |
| protected void initializeLocalVars() |
| { |
| accessibleContext = new AccessibleJTableHeader(); |
| draggedColumn = null; |
| draggedDistance = 0; |
| opaque = true; |
| reorderingAllowed = true; |
| resizingAllowed = true; |
| resizingColumn = null; |
| table = null; |
| updateTableInRealTime = true; |
| cellRenderer = createDefaultRenderer(); |
| } |
| } |
