public Color getForeground(int row, int column); public void setForeground(Color color, int row, int column); public void setForeground(Color color, int[] rows, int[] columns); public Color getBackground(int row, int column); public void setBackground(Color color, int row, int column); public void setBackground(Color color, int[] rows, int[] columns); }interface CellFont { public Font getFont(int row, int column); public void setFont(Font font, int row, int column); public void setFont(Font font, int[] rows, int[] columns); }interface CellSpan { public final int ROW = 0; public final int COLUMN = 1;
public int[] getSpan(int row, int column); public void setSpan(int[] span, int row, int column);
public boolean isVisible(int row, int column);
public void combine(int[] rows, int[] columns); public void split(int row, int column); }class MultiSpanCellTable extends JTable { public MultiSpanCellTable(TableModel model) { super(model); setUI(new MultiSpanCellTableUI()); getTableHeader().setReorderingAllowed(false); setCellSelectionEnabled(true); setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION); } public Rectangle getCellRect(int row, int column, boolean includeSpacing) { Rectangle sRect = super.getCellRect(row,column,includeSpacing); if ((row <0) || (column<0) || (getRowCount() <= row) || (getColumnCount() <= column)) { return sRect; } CellSpan cellAtt = (CellSpan)((AttributiveCellTableModel)getModel()).getCellAttribute(); if (! cellAtt.isVisible(row,column)) { int temp_row = row; int temp_column = column; row += cellAtt.getSpan(temp_row,temp_column)[CellSpan.ROW]; column += cellAtt.getSpan(temp_row,temp_column)[CellSpan.COLUMN]; } int[] n = cellAtt.getSpan(row,column); int index = 0; int columnMargin = getColumnModel().getColumnMargin(); Rectangle cellFrame = new Rectangle(); int aCellHeight = rowHeight + rowMargin; cellFrame.y = row * aCellHeight; cellFrame.height = n[CellSpan.ROW] * aCellHeight;
Enumeration enumeration = getColumnModel().getColumns(); while (enumeration.hasMoreElements()) { TableColumn aColumn = (TableColumn)enumeration.nextElement(); cellFrame.width = aColumn.getWidth() + columnMargin; if (index == column) break; cellFrame.x += cellFrame.width; index++; } for (int i=0;i< n[CellSpan.COLUMN]-1;i++) { TableColumn aColumn = (TableColumn)enumeration.nextElement(); cellFrame.width += aColumn.getWidth() + columnMargin; } if (!includeSpacing) { Dimension spacing = getIntercellSpacing(); cellFrame.setBounds(cellFrame.x + spacing.width/2, cellFrame.y + spacing.height/2, cellFrame.width - spacing.width, cellFrame.height - spacing.height); } return cellFrame; } private int[] rowColumnAtPoint(Point point) { int[] retValue = {-1,-1}; int row = point.y / (rowHeight + rowMargin); if ((row <0)||(getRowCount() <= row)) return retValue; int column = getColumnModel().getColumnIndexAtX(point.x); CellSpan cellAtt = (CellSpan)((AttributiveCellTableModel)getModel()).getCellAttribute(); if (cellAtt.isVisible(row,column)) { retValue[CellSpan.COLUMN] = column; retValue[CellSpan.ROW ] = row; return retValue; } retValue[CellSpan.COLUMN] = column + cellAtt.getSpan(row,column)[CellSpan.COLUMN]; retValue[CellSpan.ROW ] = row + cellAtt.getSpan(row,column)[CellSpan.ROW]; return retValue; } public int rowAtPoint(Point point) { return rowColumnAtPoint(point)[CellSpan.ROW]; } public int columnAtPoint(Point point) { return rowColumnAtPoint(point)[CellSpan.COLUMN]; } public void columnSelectionChanged(ListSelectionEvent e) { repaint(); } public void valueChanged(ListSelectionEvent e) { int firstIndex = e.getFirstIndex(); int lastIndex = e.getLastIndex(); if (firstIndex == -1 && lastIndex == -1) { // Selection cleared. repaint(); } Rectangle dirtyRegion = getCellRect(firstIndex, 0, false); int numCoumns = getColumnCount(); int index = firstIndex; for (int i=0;i<numCoumns;i++) { dirtyRegion.add(getCellRect(index, i, false)); } index = lastIndex; for (int i=0;i<numCoumns;i++) { dirtyRegion.add(getCellRect(index, i, false)); } repaint(dirtyRegion.x, dirtyRegion.y, dirtyRegion.width, dirtyRegion.height); } }class MultiSpanCellTableUI extends BasicTableUI { public void paint(Graphics g, JComponent c) { Rectangle oldClipBounds = g.getClipBounds(); Rectangle clipBounds = new Rectangle(oldClipBounds); int tableWidth = table.getColumnModel().getTotalColumnWidth(); clipBounds.width = Math.min(clipBounds.width, tableWidth); g.setClip(clipBounds); int firstIndex = table.rowAtPoint(new Point(0, clipBounds.y)); int lastIndex = table.getRowCount()-1; Rectangle rowRect = new Rectangle(0,0, tableWidth, table.getRowHeight() + table.getRowMargin()); rowRect.y = firstIndex*rowRect.height; for (int index = firstIndex; index <= lastIndex; index++) { if (rowRect.intersects(clipBounds)) { paintRow(g, index); } rowRect.y += rowRect.height; } g.setClip(oldClipBounds); } private void paintRow(Graphics g, int row) { Rectangle rect = g.getClipBounds(); boolean drawn = false;
dataVector = new Vector(0); setColumnIdentifiers(columnNames); Exception in thread "main" java.lang.StackOverflowError at java.util.Vector.<init>(Unknown Source) at AttributiveCellTableModel.setDataVector(CTest.java:107) at javax.swing.table.DefaultTableModel.setColumnIdentifiers(Unknown Source) at AttributiveCellTableModel.setDataVector(CTest.java:108)运行不起来。.报错。..
拷错代码了 class AttributiveCellTableModel extends DefaultTableModel { protected CellAttribute cellAtt;
public AttributiveCellTableModel() { this((Vector)null, 0); } public AttributiveCellTableModel(int numRows, int numColumns) { Vector names = new Vector(numColumns); names.setSize(numColumns); setColumnIdentifiers(names); dataVector = new Vector(); setNumRows(numRows); cellAtt = new DefaultCellAttribute(numRows,numColumns); } public AttributiveCellTableModel(Vector columnNames, int numRows) { setColumnIdentifiers(columnNames); dataVector = new Vector(); setNumRows(numRows); cellAtt = new DefaultCellAttribute(numRows,columnNames.size()); } public AttributiveCellTableModel(Object[] columnNames, int numRows) { this(convertToVector(columnNames), numRows); } public AttributiveCellTableModel(Vector data, Vector columnNames) { setDataVector(data, columnNames); } public AttributiveCellTableModel(Object[][] data, Object[] columnNames) { setDataVector(data, columnNames); }
public void setDataVector(Vector newData, Vector columnNames) { dataVector = newData; columnIdentifiers = columnNames; cellAtt = new DefaultCellAttribute(dataVector.size(), columnIdentifiers.size());
newRowsAdded(new TableModelEvent(this, 0, getRowCount()-1, TableModelEvent.ALL_COLUMNS, TableModelEvent.INSERT)); } public void addColumn(Object columnName, Vector columnData) { if (columnName == null) throw new IllegalArgumentException("addColumn() - null parameter"); columnIdentifiers.addElement(columnName); int index = 0; Enumeration enumeration = dataVector.elements(); while (enumeration.hasMoreElements()) { Object value; if ((columnData != null) && (index < columnData.size())) value = columnData.elementAt(index); else value = null; ((Vector)enumeration.nextElement()).addElement(value); index++; } cellAtt.addColumn(); fireTableStructureChanged(); } public void addRow(Vector rowData) { Vector newData = null; if (rowData == null) { newData = new Vector(getColumnCount()); } else { rowData.setSize(getColumnCount()); } dataVector.addElement(newData); cellAtt.addRow(); newRowsAdded(new TableModelEvent(this, getRowCount()-1, getRowCount()-1, TableModelEvent.ALL_COLUMNS, TableModelEvent.INSERT)); } public void insertRow(int row, Vector rowData) { if (rowData == null) { rowData = new Vector(getColumnCount()); } else { rowData.setSize(getColumnCount()); } dataVector.insertElementAt(rowData, row); cellAtt.insertRow(row); newRowsAdded(new TableModelEvent(this, row, row, TableModelEvent.ALL_COLUMNS, TableModelEvent.INSERT)); } public CellAttribute getCellAttribute() { return cellAtt; } public void setCellAttribute(CellAttribute newCellAtt) { int numColumns = getColumnCount(); int numRows = getRowCount(); if ((newCellAtt.getSize().width != numColumns) || (newCellAtt.getSize().height != numRows)) { newCellAtt.setSize(new Dimension(numRows, numColumns)); } cellAtt = newCellAtt; fireTableDataChanged(); } }
我以前用过 还有JTree 但是没遇到楼主这样的问题.
第一种实现 render 象图片一样拼起来,别人看了象是合并的
第二种 实现自己的Tabel类
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;
import javax.swing.border.*;
import java.util.*;
import javax.swing.event.*;
public class MultiSpanCellTableExample extends JFrame { MultiSpanCellTableExample() {
super( "Multi-Span Cell Example" );
AttributiveCellTableModel ml = new AttributiveCellTableModel(10,6);
/*
AttributiveCellTableModel ml = new AttributiveCellTableModel(10,6) {
public Object getValueAt(int row, int col) {
return "" + row + ","+ col;
}
};
*/
final CellSpan cellAtt =(CellSpan)ml.getCellAttribute();
final MultiSpanCellTable table = new MultiSpanCellTable( ml );
JScrollPane scroll = new JScrollPane( table ); JButton b_one = new JButton("Combine");
b_one.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
int[] columns = table.getSelectedColumns();
int[] rows = table.getSelectedRows();
cellAtt.combine(rows,columns);
table.clearSelection();
table.revalidate();
table.repaint();
}
});
JButton b_split = new JButton("Split");
b_split.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
int column = table.getSelectedColumn();
int row = table.getSelectedRow();
cellAtt.split(row,column);
table.clearSelection();
table.revalidate();
table.repaint();
}
});
JPanel p_buttons = new JPanel();
p_buttons.setLayout(new GridLayout(2,1));
p_buttons.add(b_one);
p_buttons.add(b_split); Box box = new Box(BoxLayout.X_AXIS);
box.add(scroll);
box.add(new JSeparator(SwingConstants.HORIZONTAL));
box.add(p_buttons);
getContentPane().add( box );
setSize( 400, 200 );
setVisible(true);
} public static void main(String[] args) {
MultiSpanCellTableExample frame = new MultiSpanCellTableExample();
frame.addWindowListener( new WindowAdapter() {
public void windowClosing( WindowEvent e ) {
System.exit(0);
}
});
}
}class AttributiveCellTableModel extends DefaultTableModel { protected CellAttribute cellAtt;
public AttributiveCellTableModel() {
this((Vector)null, 0);
}
public AttributiveCellTableModel(int numRows, int numColumns) {
Vector names = new Vector(numColumns);
names.setSize(numColumns);
setColumnIdentifiers(names);
dataVector = new Vector();
setNumRows(numRows);
cellAtt = new DefaultCellAttribute(numRows,numColumns);
}
public AttributiveCellTableModel(Vector columnNames, int numRows) {
setColumnIdentifiers(columnNames);
dataVector = new Vector();
setNumRows(numRows);
cellAtt = new DefaultCellAttribute(numRows,columnNames.size());
}
public AttributiveCellTableModel(Object[] columnNames, int numRows) {
this(convertToVector(columnNames), numRows);
}
public AttributiveCellTableModel(Vector data, Vector columnNames) {
setDataVector(data, columnNames);
}
public AttributiveCellTableModel(Object[][] data, Object[] columnNames) {
setDataVector(data, columnNames);
} public void setDataVector(Vector newData, Vector columnNames) {
if (newData == null)
throw new IllegalArgumentException("setDataVector() - Null parameter");
dataVector = new Vector(0);
setColumnIdentifiers(columnNames);
dataVector = newData;
cellAtt = new DefaultCellAttribute(dataVector.size(),
columnIdentifiers.size());
newRowsAdded(new TableModelEvent(this, 0, getRowCount()-1,
TableModelEvent.ALL_COLUMNS, TableModelEvent.INSERT));
} public void addColumn(Object columnName, Vector columnData) {
if (columnName == null)
throw new IllegalArgumentException("addColumn() - null parameter");
columnIdentifiers.addElement(columnName);
int index = 0;
Enumeration enumeration = dataVector.elements();
while (enumeration.hasMoreElements()) {
Object value;
if ((columnData != null) && (index < columnData.size()))
value = columnData.elementAt(index);
else
value = null;
((Vector)enumeration.nextElement()).addElement(value);
index++;
}
cellAtt.addColumn();
fireTableStructureChanged();
} public void addRow(Vector rowData) {
Vector newData = null;
if (rowData == null) {
newData = new Vector(getColumnCount());
}
else {
rowData.setSize(getColumnCount());
}
dataVector.addElement(newData);
cellAtt.addRow();
newRowsAdded(new TableModelEvent(this, getRowCount()-1, getRowCount()-1,
TableModelEvent.ALL_COLUMNS, TableModelEvent.INSERT));
} public void insertRow(int row, Vector rowData) {
if (rowData == null) {
rowData = new Vector(getColumnCount());
}
else {
rowData.setSize(getColumnCount());
}
dataVector.insertElementAt(rowData, row);
cellAtt.insertRow(row);
newRowsAdded(new TableModelEvent(this, row, row,
TableModelEvent.ALL_COLUMNS, TableModelEvent.INSERT));
} public CellAttribute getCellAttribute() {
return cellAtt;
} public void setCellAttribute(CellAttribute newCellAtt) {
int numColumns = getColumnCount();
int numRows = getRowCount();
if ((newCellAtt.getSize().width != numColumns) ||
(newCellAtt.getSize().height != numRows)) {
newCellAtt.setSize(new Dimension(numRows, numColumns));
}
cellAtt = newCellAtt;
fireTableDataChanged();
}
}
import java.awt.*;class DefaultCellAttribute
implements CellAttribute ,CellSpan ,ColoredCell ,CellFont {
protected int rowSize;
protected int columnSize;
protected int[][][] span;
protected Color[][] foreground;
protected Color[][] background;
protected Font[][] font;
public DefaultCellAttribute() {
this(1,1);
}
public DefaultCellAttribute(int numRows, int numColumns) {
setSize(new Dimension(numColumns, numRows));
} protected void initValue() {
for(int i=0; i<span.length;i++) {
for(int j=0; j<span[i].length; j++) {
span[i][j][CellSpan.COLUMN] = 1;
span[i][j][CellSpan.ROW] = 1;
}
}
} public int[] getSpan(int row, int column) {
if (isOutOfBounds(row, column)) {
int[] ret_code = {1,1};
return ret_code;
}
return span[row][column];
} public void setSpan(int[] span, int row, int column) {
if (isOutOfBounds(row, column)) return;
this.span[row][column] = span;
}
public boolean isVisible(int row, int column) {
if (isOutOfBounds(row, column)) return false;
if ((span[row][column][CellSpan.COLUMN] < 1)
||(span[row][column][CellSpan.ROW] < 1)) return false;
return true;
} public void combine(int[] rows, int[] columns) {
if (isOutOfBounds(rows, columns)) return;
int rowSpan = rows.length;
int columnSpan = columns.length;
int startRow = rows[0];
int startColumn = columns[0];
for (int i=0;i<rowSpan;i++) {
for (int j=0;j<columnSpan;j++) {
if ((span[startRow +i][startColumn +j][CellSpan.COLUMN] != 1)
||(span[startRow +i][startColumn +j][CellSpan.ROW] != 1)) {
return ;
}
}
}
for (int i=0,ii=0;i<rowSpan;i++,ii--) {
for (int j=0,jj=0;j<columnSpan;j++,jj--) {
span[startRow +i][startColumn +j][CellSpan.COLUMN] = jj;
span[startRow +i][startColumn +j][CellSpan.ROW] = ii;
}
}
span[startRow][startColumn][CellSpan.COLUMN] = columnSpan;
span[startRow][startColumn][CellSpan.ROW] = rowSpan;
} public void split(int row, int column) {
if (isOutOfBounds(row, column)) return;
int columnSpan = span[row][column][CellSpan.COLUMN];
int rowSpan = span[row][column][CellSpan.ROW];
for (int i=0;i<rowSpan;i++) {
for (int j=0;j<columnSpan;j++) {
span[row +i][column +j][CellSpan.COLUMN] = 1;
span[row +i][column +j][CellSpan.ROW] = 1;
}
}
} public Color getForeground(int row, int column) {
if (isOutOfBounds(row, column)) return null;
return foreground[row][column];
}
public void setForeground(Color color, int row, int column) {
if (isOutOfBounds(row, column)) return;
foreground[row][column] = color;
}
public void setForeground(Color color, int[] rows, int[] columns) {
if (isOutOfBounds(rows, columns)) return;
setValues(foreground, color, rows, columns);
}
public Color getBackground(int row, int column) {
if (isOutOfBounds(row, column)) return null;
return background[row][column];
}
public void setBackground(Color color, int row, int column) {
if (isOutOfBounds(row, column)) return;
background[row][column] = color;
}
public void setBackground(Color color, int[] rows, int[] columns) {
if (isOutOfBounds(rows, columns)) return;
setValues(background, color, rows, columns);
} public Font getFont(int row, int column) {
if (isOutOfBounds(row, column)) return null;
return font[row][column];
}
public void setFont(Font font, int row, int column) {
if (isOutOfBounds(row, column)) return;
this.font[row][column] = font;
}
public void setFont(Font font, int[] rows, int[] columns) {
if (isOutOfBounds(rows, columns)) return;
setValues(this.font, font, rows, columns);
} public void addColumn() {
int[][][] oldSpan = span;
int numRows = oldSpan.length;
int numColumns = oldSpan[0].length;
span = new int[numRows][numColumns + 1][2];
System.arraycopy(oldSpan,0,span,0,numRows);
for (int i=0;i<numRows;i++) {
span[i][numColumns][CellSpan.COLUMN] = 1;
span[i][numColumns][CellSpan.ROW] = 1;
}
} public void addRow() {
int[][][] oldSpan = span;
int numRows = oldSpan.length;
int numColumns = oldSpan[0].length;
span = new int[numRows + 1][numColumns][2];
System.arraycopy(oldSpan,0,span,0,numRows);
for (int i=0;i<numColumns;i++) {
span[numRows][i][CellSpan.COLUMN] = 1;
span[numRows][i][CellSpan.ROW] = 1;
}
} public void insertRow(int row) {
int[][][] oldSpan = span;
int numRows = oldSpan.length;
int numColumns = oldSpan[0].length;
span = new int[numRows + 1][numColumns][2];
if (0 < row) {
System.arraycopy(oldSpan,0,span,0,row-1);
}
System.arraycopy(oldSpan,0,span,row,numRows - row);
for (int i=0;i<numColumns;i++) {
span[row][i][CellSpan.COLUMN] = 1;
span[row][i][CellSpan.ROW] = 1;
}
} public Dimension getSize() {
return new Dimension(rowSize, columnSize);
} public void setSize(Dimension size) {
columnSize = size.width;
rowSize = size.height;
span = new int[rowSize][columnSize][2]; // 2: COLUMN,ROW
foreground = new Color[rowSize][columnSize];
background = new Color[rowSize][columnSize];
font = new Font[rowSize][columnSize];
initValue();
} protected boolean isOutOfBounds(int row, int column) {
if ((row < 0)||(rowSize <= row)
||(column < 0)||(columnSize <= column)) {
return true;
}
return false;
} protected boolean isOutOfBounds(int[] rows, int[] columns) {
for (int i=0;i<rows.length;i++) {
if ((rows[i] < 0)||(rowSize <= rows[i])) return true;
}
for (int i=0;i<columns.length;i++) {
if ((columns[i] < 0)||(columnSize <= columns[i])) return true;
}
return false;
} protected void setValues(Object[][] target, Object value,
int[] rows, int[] columns) {
for (int i=0;i<rows.length;i++) {
int row = rows[i];
for (int j=0;j<columns.length;j++) {
int column = columns[j];
target[row][column] = value;
}
}
}
}public interface CellAttribute { public void addColumn(); public void addRow(); public void insertRow(int row); public Dimension getSize(); public void setSize(Dimension size);
}
import java.awt.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;
import javax.swing.plaf.basic.*;
import javax.swing.event.*;interface ColoredCell {
public Color getForeground(int row, int column);
public void setForeground(Color color, int row, int column);
public void setForeground(Color color, int[] rows, int[] columns); public Color getBackground(int row, int column);
public void setBackground(Color color, int row, int column);
public void setBackground(Color color, int[] rows, int[] columns);
}interface CellFont {
public Font getFont(int row, int column);
public void setFont(Font font, int row, int column);
public void setFont(Font font, int[] rows, int[] columns);
}interface CellSpan {
public final int ROW = 0;
public final int COLUMN = 1;
public int[] getSpan(int row, int column);
public void setSpan(int[] span, int row, int column);
public boolean isVisible(int row, int column);
public void combine(int[] rows, int[] columns);
public void split(int row, int column);
}class MultiSpanCellTable extends JTable {
public MultiSpanCellTable(TableModel model) {
super(model);
setUI(new MultiSpanCellTableUI());
getTableHeader().setReorderingAllowed(false);
setCellSelectionEnabled(true);
setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
} public Rectangle getCellRect(int row, int column, boolean includeSpacing) {
Rectangle sRect = super.getCellRect(row,column,includeSpacing);
if ((row <0) || (column<0) ||
(getRowCount() <= row) || (getColumnCount() <= column)) {
return sRect;
}
CellSpan cellAtt = (CellSpan)((AttributiveCellTableModel)getModel()).getCellAttribute();
if (! cellAtt.isVisible(row,column)) {
int temp_row = row;
int temp_column = column;
row += cellAtt.getSpan(temp_row,temp_column)[CellSpan.ROW];
column += cellAtt.getSpan(temp_row,temp_column)[CellSpan.COLUMN];
}
int[] n = cellAtt.getSpan(row,column); int index = 0;
int columnMargin = getColumnModel().getColumnMargin();
Rectangle cellFrame = new Rectangle();
int aCellHeight = rowHeight + rowMargin;
cellFrame.y = row * aCellHeight;
cellFrame.height = n[CellSpan.ROW] * aCellHeight;
Enumeration enumeration = getColumnModel().getColumns();
while (enumeration.hasMoreElements()) {
TableColumn aColumn = (TableColumn)enumeration.nextElement();
cellFrame.width = aColumn.getWidth() + columnMargin;
if (index == column) break;
cellFrame.x += cellFrame.width;
index++;
}
for (int i=0;i< n[CellSpan.COLUMN]-1;i++) {
TableColumn aColumn = (TableColumn)enumeration.nextElement();
cellFrame.width += aColumn.getWidth() + columnMargin;
}
if (!includeSpacing) {
Dimension spacing = getIntercellSpacing();
cellFrame.setBounds(cellFrame.x + spacing.width/2,
cellFrame.y + spacing.height/2,
cellFrame.width - spacing.width,
cellFrame.height - spacing.height);
}
return cellFrame;
} private int[] rowColumnAtPoint(Point point) {
int[] retValue = {-1,-1};
int row = point.y / (rowHeight + rowMargin);
if ((row <0)||(getRowCount() <= row)) return retValue;
int column = getColumnModel().getColumnIndexAtX(point.x); CellSpan cellAtt = (CellSpan)((AttributiveCellTableModel)getModel()).getCellAttribute(); if (cellAtt.isVisible(row,column)) {
retValue[CellSpan.COLUMN] = column;
retValue[CellSpan.ROW ] = row;
return retValue;
}
retValue[CellSpan.COLUMN] = column + cellAtt.getSpan(row,column)[CellSpan.COLUMN];
retValue[CellSpan.ROW ] = row + cellAtt.getSpan(row,column)[CellSpan.ROW];
return retValue;
} public int rowAtPoint(Point point) {
return rowColumnAtPoint(point)[CellSpan.ROW];
}
public int columnAtPoint(Point point) {
return rowColumnAtPoint(point)[CellSpan.COLUMN];
} public void columnSelectionChanged(ListSelectionEvent e) {
repaint();
} public void valueChanged(ListSelectionEvent e) {
int firstIndex = e.getFirstIndex();
int lastIndex = e.getLastIndex();
if (firstIndex == -1 && lastIndex == -1) { // Selection cleared.
repaint();
}
Rectangle dirtyRegion = getCellRect(firstIndex, 0, false);
int numCoumns = getColumnCount();
int index = firstIndex;
for (int i=0;i<numCoumns;i++) {
dirtyRegion.add(getCellRect(index, i, false));
}
index = lastIndex;
for (int i=0;i<numCoumns;i++) {
dirtyRegion.add(getCellRect(index, i, false));
}
repaint(dirtyRegion.x, dirtyRegion.y, dirtyRegion.width, dirtyRegion.height);
}
}class MultiSpanCellTableUI extends BasicTableUI { public void paint(Graphics g, JComponent c) {
Rectangle oldClipBounds = g.getClipBounds();
Rectangle clipBounds = new Rectangle(oldClipBounds);
int tableWidth = table.getColumnModel().getTotalColumnWidth();
clipBounds.width = Math.min(clipBounds.width, tableWidth);
g.setClip(clipBounds); int firstIndex = table.rowAtPoint(new Point(0, clipBounds.y));
int lastIndex = table.getRowCount()-1; Rectangle rowRect = new Rectangle(0,0,
tableWidth, table.getRowHeight() + table.getRowMargin());
rowRect.y = firstIndex*rowRect.height; for (int index = firstIndex; index <= lastIndex; index++) {
if (rowRect.intersects(clipBounds)) {
paintRow(g, index);
}
rowRect.y += rowRect.height;
}
g.setClip(oldClipBounds);
} private void paintRow(Graphics g, int row) {
Rectangle rect = g.getClipBounds();
boolean drawn = false;
AttributiveCellTableModel tableModel = (AttributiveCellTableModel)table.getModel();
CellSpan cellAtt = (CellSpan)tableModel.getCellAttribute();
int numColumns = table.getColumnCount(); for (int column = 0; column < numColumns; column++) {
Rectangle cellRect = table.getCellRect(row,column,true);
int cellRow,cellColumn;
if (cellAtt.isVisible(row,column)) {
cellRow = row;
cellColumn = column;
} else {
cellRow = row + cellAtt.getSpan(row,column)[CellSpan.ROW];
cellColumn = column + cellAtt.getSpan(row,column)[CellSpan.COLUMN];
}
if (cellRect.intersects(rect)) {
drawn = true;
paintCell(g, cellRect, cellRow, cellColumn);
} else {
if (drawn) break;
}
} } private void paintCell(Graphics g, Rectangle cellRect, int row, int column) {
int spacingHeight = table.getRowMargin();
int spacingWidth = table.getColumnModel().getColumnMargin(); Color c = g.getColor();
g.setColor(table.getGridColor());
g.drawRect(cellRect.x,cellRect.y,cellRect.width-1,cellRect.height-1);
g.setColor(c); cellRect.setBounds(cellRect.x + spacingWidth/2, cellRect.y + spacingHeight/2,
cellRect.width - spacingWidth, cellRect.height - spacingHeight); if (table.isEditing() && table.getEditingRow()==row &&
table.getEditingColumn()==column) {
Component component = table.getEditorComponent();
component.setBounds(cellRect);
component.validate();
}
else {
TableCellRenderer renderer = table.getCellRenderer(row, column);
Component component = table.prepareRenderer(renderer, row, column); if (component.getParent() == null) {
rendererPane.add(component);
}
rendererPane.paintComponent(g, component, table, cellRect.x, cellRect.y,
cellRect.width, cellRect.height, true);
}
}
}
setColumnIdentifiers(columnNames); Exception in thread "main" java.lang.StackOverflowError
at java.util.Vector.<init>(Unknown Source)
at AttributiveCellTableModel.setDataVector(CTest.java:107)
at javax.swing.table.DefaultTableModel.setColumnIdentifiers(Unknown Source)
at AttributiveCellTableModel.setDataVector(CTest.java:108)运行不起来。.报错。..
class AttributiveCellTableModel extends DefaultTableModel { protected CellAttribute cellAtt;
public AttributiveCellTableModel() {
this((Vector)null, 0);
}
public AttributiveCellTableModel(int numRows, int numColumns) {
Vector names = new Vector(numColumns);
names.setSize(numColumns);
setColumnIdentifiers(names);
dataVector = new Vector();
setNumRows(numRows);
cellAtt = new DefaultCellAttribute(numRows,numColumns);
}
public AttributiveCellTableModel(Vector columnNames, int numRows) {
setColumnIdentifiers(columnNames);
dataVector = new Vector();
setNumRows(numRows);
cellAtt = new DefaultCellAttribute(numRows,columnNames.size());
}
public AttributiveCellTableModel(Object[] columnNames, int numRows) {
this(convertToVector(columnNames), numRows);
}
public AttributiveCellTableModel(Vector data, Vector columnNames) {
setDataVector(data, columnNames);
}
public AttributiveCellTableModel(Object[][] data, Object[] columnNames) {
setDataVector(data, columnNames);
}
public void setDataVector(Vector newData, Vector columnNames) {
dataVector = newData;
columnIdentifiers = columnNames;
cellAtt = new DefaultCellAttribute(dataVector.size(),
columnIdentifiers.size());
newRowsAdded(new TableModelEvent(this, 0, getRowCount()-1,
TableModelEvent.ALL_COLUMNS, TableModelEvent.INSERT));
} public void addColumn(Object columnName, Vector columnData) {
if (columnName == null)
throw new IllegalArgumentException("addColumn() - null parameter");
columnIdentifiers.addElement(columnName);
int index = 0;
Enumeration enumeration = dataVector.elements();
while (enumeration.hasMoreElements()) {
Object value;
if ((columnData != null) && (index < columnData.size()))
value = columnData.elementAt(index);
else
value = null;
((Vector)enumeration.nextElement()).addElement(value);
index++;
}
cellAtt.addColumn(); fireTableStructureChanged();
} public void addRow(Vector rowData) {
Vector newData = null;
if (rowData == null) {
newData = new Vector(getColumnCount());
}
else {
rowData.setSize(getColumnCount());
}
dataVector.addElement(newData);
cellAtt.addRow(); newRowsAdded(new TableModelEvent(this, getRowCount()-1, getRowCount()-1,
TableModelEvent.ALL_COLUMNS, TableModelEvent.INSERT));
} public void insertRow(int row, Vector rowData) {
if (rowData == null) {
rowData = new Vector(getColumnCount());
}
else {
rowData.setSize(getColumnCount());
}
dataVector.insertElementAt(rowData, row);
cellAtt.insertRow(row); newRowsAdded(new TableModelEvent(this, row, row,
TableModelEvent.ALL_COLUMNS, TableModelEvent.INSERT));
} public CellAttribute getCellAttribute() {
return cellAtt;
} public void setCellAttribute(CellAttribute newCellAtt) {
int numColumns = getColumnCount();
int numRows = getRowCount();
if ((newCellAtt.getSize().width != numColumns) ||
(newCellAtt.getSize().height != numRows)) {
newCellAtt.setSize(new Dimension(numRows, numColumns));
}
cellAtt = newCellAtt;
fireTableDataChanged();
}
}