/* (swing1.1beta3) * * |-----------------------------------------------------| * | | Name | Language | * | |-----------------|--------------------------| * | SNo. | | | | Others | * | | 1 | 2 | Native |-----------------| * | | | | | 2 | 3 | * |-----------------------------------------------------| * | | | | | | | * *///package jp.gr.java_conf.tame.swing.examples;import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.table.*;import jp.gr.java_conf.tame.swing.table.*; /** * @version 1.0 11/09/98 */public class GroupableHeaderExample extends JFrame { GroupableHeaderExample() { super( "Groupable Header Example" ); DefaultTableModel dm = new DefaultTableModel(); dm.setDataVector(new Object[][]{ {"119","foo","bar","ja","ko","zh"}, {"911","bar","foo","en","fr","pt"}}, new Object[]{"SNo.","1","2","Native","2","3"}); JTable table = new JTable( dm ) { protected JTableHeader createDefaultTableHeader() {return new GroupableTableHeader(columnModel); } }; TableColumnModel cm = table.getColumnModel(); ColumnGroup g_name = new ColumnGroup("Name"); g_name.add(cm.getColumn(1)); g_name.add(cm.getColumn(2)); ColumnGroup g_lang = new ColumnGroup("Language"); g_lang.add(cm.getColumn(3)); ColumnGroup g_other = new ColumnGroup("Others"); g_other.add(cm.getColumn(4)); g_other.add(cm.getColumn(5)); g_lang.add(g_other); GroupableTableHeader header = (GroupableTableHeader)table.getTableHeader(); header.addColumnGroup(g_name); header.addColumnGroup(g_lang); JScrollPane scroll = new JScrollPane( table ); getContentPane().add( scroll ); setSize( 400, 120 ); } public static void main(String[] args) { GroupableHeaderExample frame = new GroupableHeaderExample(); frame.addWindowListener( new WindowAdapter() { public void windowClosing( WindowEvent e ) {System.exit(0); } }); frame.setVisible(true); }}===========================================================
/* * (swing1.1beta3) * */package jp.gr.java_conf.tame.swing.table;import java.util.*;import java.awt.*;import javax.swing.*;import javax.swing.table.*;/** * ColumnGroup * * @version 1.0 10/20/98 * @author Nobuo Tamemasa */ public class ColumnGroup { protected TableCellRenderer renderer; protected Vector v; protected String text; protected int margin=0; public ColumnGroup(String text) { this(null,text); } public ColumnGroup(TableCellRenderer renderer,String text) { if (renderer == null) { this.renderer = new DefaultTableCellRenderer() {public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { JTableHeader header = table.getTableHeader(); if (header != null) { setForeground(header.getForeground()); setBackground(header.getBackground()); setFont(header.getFont()); } setHorizontalAlignment(JLabel.CENTER); setText((value == null) ? "" : value.toString()); setBorder(UIManager.getBorder("TableHeader.cellBorder")); return this; } }; } else { this.renderer = renderer; } this.text = text; v = new Vector(); } /** * @param obj TableColumn or ColumnGroup */ public void add(Object obj) { if (obj == null) { return; } v.addElement(obj); } /** * @param c TableColumn * @param v ColumnGroups */ public Vector getColumnGroups(TableColumn c, Vector g) { g.addElement(this); if (v.contains(c)) return g; Enumeration enum = v.elements(); while (enum.hasMoreElements()) { Object obj = enum.nextElement(); if (obj instanceof ColumnGroup) { Vector groups = (Vector)((ColumnGroup)obj).getColumnGroups(c,(Vector)g.clone()); if (groups != null) return groups; } } return null; } public TableCellRenderer getHeaderRenderer() { return renderer; } public void setHeaderRenderer(TableCellRenderer renderer) { if (renderer != null) { this.renderer = renderer; } } public Object getHeaderValue() { return text; } public Dimension getSize(JTable table) { Component comp = renderer.getTableCellRendererComponent( table, getHeaderValue(), false, false,-1, -1); int height = comp.getPreferredSize().height; int width = 0; Enumeration enum = v.elements(); while (enum.hasMoreElements()) { Object obj = enum.nextElement(); if (obj instanceof TableColumn) { TableColumn aColumn = (TableColumn)obj; width += aColumn.getWidth(); width += margin; } else { width += ((ColumnGroup)obj).getSize(table).width; } } return new Dimension(width, height); } public void setColumnMargin(int margin) { this.margin = margin; Enumeration enum = v.elements(); while (enum.hasMoreElements()) { Object obj = enum.nextElement(); if (obj instanceof ColumnGroup) { ((ColumnGroup)obj).setColumnMargin(margin); } } }}=======================================================/* * (swing1.1beta3) * */package jp.gr.java_conf.tame.swing.table;import java.util.*;import java.awt.*;import javax.swing.*;import javax.swing.table.*; /** * GroupableTableHeader * * @version 1.0 10/20/98 * @author Nobuo Tamemasa */public class GroupableTableHeader extends JTableHeader { private static final String uiClassID = "GroupableTableHeaderUI"; protected Vector columnGroups = null; public GroupableTableHeader(TableColumnModel model) { super(model); setUI(new GroupableTableHeaderUI()); setReorderingAllowed(false); } public void setReorderingAllowed(boolean b) { reorderingAllowed = false; } public void addColumnGroup(ColumnGroup g) { if (columnGroups == null) { columnGroups = new Vector(); } columnGroups.addElement(g); } public Enumeration getColumnGroups(TableColumn col) { if (columnGroups == null) return null; Enumeration enum = columnGroups.elements(); while (enum.hasMoreElements()) { ColumnGroup cGroup = (ColumnGroup)enum.nextElement(); Vector v_ret = (Vector)cGroup.getColumnGroups(col,new Vector()); if (v_ret != null) { return v_ret.elements(); } } return null; } public void setColumnMargin() { if (columnGroups == null) return; int columnMargin = getColumnModel().getColumnMargin(); Enumeration enum = columnGroups.elements(); while (enum.hasMoreElements()) { ColumnGroup cGroup = (ColumnGroup)enum.nextElement(); cGroup.setColumnMargin(columnMargin); } } }==============================================/* * (swing1.1beta3) * */package jp.gr.java_conf.tame.swing.table;import java.util.*;import java.awt.*;import javax.swing.*;import javax.swing.table.*;import javax.swing.plaf.basic.*;public class GroupableTableHeaderUI extends BasicTableHeaderUI { public void paint(Graphics g, JComponent c) { Rectangle clipBounds = g.getClipBounds(); if (header.getColumnModel() == null) return; ((GroupableTableHeader)header).setColumnMargin(); int column = 0; Dimension size = header.getSize(); Rectangle cellRect = new Rectangle(0, 0, size.width, size.height); Hashtable h = new Hashtable(); int columnMargin = header.getColumnModel().getColumnMargin(); Enumeration enumeration = header.getColumnModel().getColumns(); while (enumeration.hasMoreElements()) { cellRect.height = size.height; cellRect.y = 0; TableColumn aColumn = (TableColumn)enumeration.nextElement(); Enumeration cGroups = ((GroupableTableHeader)header).getColumnGroups(aColumn); if (cGroups != null) { int groupHeight = 0; while (cGroups.hasMoreElements()) { ColumnGroup cGroup = (ColumnGroup)cGroups.nextElement(); Rectangle groupRect = (Rectangle)h.get(cGroup); if (groupRect == null) { groupRect = new Rectangle(cellRect); Dimension d = cGroup.getSize(header.getTable()); groupRect.width = d.width; groupRect.height = d.height; h.put(cGroup, groupRect); } paintCell(g, groupRect, cGroup); groupHeight += groupRect.height; cellRect.height = size.height - groupHeight; cellRect.y = groupHeight; } } cellRect.width = aColumn.getWidth() + columnMargin; if (cellRect.intersects(clipBounds)) { paintCell(g, cellRect, column); } cellRect.x += cellRect.width; column++; } } private void paintCell(Graphics g, Rectangle cellRect, int columnIndex) { TableColumn aColumn = header.getColumnModel().getColumn(columnIndex); TableCellRenderer renderer = aColumn.getHeaderRenderer(); Component component = renderer.getTableCellRendererComponent( header.getTable(), aColumn.getHeaderValue(),false, false, -1, columnIndex); rendererPane.add(component); rendererPane.paintComponent(g, component, header, cellRect.x, cellRect.y,cellRect.width, cellRect.height, true); } private void paintCell(Graphics g, Rectangle cellRect,ColumnGroup cGroup) { TableCellRenderer renderer = cGroup.getHeaderRenderer(); Component component = renderer.getTableCellRendererComponent( header.getTable(), cGroup.getHeaderValue(),false, false, -1, -1); rendererPane.add(component); rendererPane.paintComponent(g, component, header, cellRect.x, cellRect.y,cellRect.width, cellRect.height, true); } private int getHeaderHeight() { int height = 0; TableColumnModel columnModel = header.getColumnModel(); for(int column = 0; column < columnModel.getColumnCount(); column++) { TableColumn aColumn = columnModel.getColumn(column); TableCellRenderer renderer = aColumn.getHeaderRenderer(); Component comp = renderer.getTableCellRendererComponent( header.getTable(), aColumn.getHeaderValue(), false, false,-1, column); int cHeight = comp.getPreferredSize().height; Enumeration enum = ((GroupableTableHeader)header).getColumnGroups(aColumn); if (enum != null) { while (enum.hasMoreElements()) { ColumnGroup cGroup = (ColumnGroup)enum.nextElement(); cHeight += cGroup.getSize(header.getTable()).height; } } height = Math.max(height, cHeight); } return height; } private Dimension createHeaderSize(long width) { TableColumnModel columnModel = header.getColumnModel(); width += columnModel.getColumnMargin() * columnModel.getColumnCount(); if (width > Integer.MAX_VALUE) { width = Integer.MAX_VALUE; } return new Dimension((int)width, getHeaderHeight()); } public Dimension getPreferredSize(JComponent c) { long width = 0; Enumeration enumeration = header.getColumnModel().getColumns(); while (enumeration.hasMoreElements()) { TableColumn aColumn = (TableColumn)enumeration.nextElement(); width = width + aColumn.getPreferredWidth(); } return createHeaderSize(width); }}
