public void packColumn(JTable table, int vColIndex, int margin) {
DefaultTableColumnModel colModel = (DefaultTableColumnModel) table.getColumnModel();
TableColumn col = colModel.getColumn(vColIndex);
int width = 0;
// Get width of column header
TableCellRenderer renderer = col.getHeaderRenderer();
if (renderer == null) {
renderer = table.getTableHeader().getDefaultRenderer();
}
Component comp =
renderer.getTableCellRendererComponent(table, col.getHeaderValue(), false, false, 0, 0);
width = comp.getPreferredSize().width;
// Get maximum width of column data
for (int r = 0; r < table.getRowCount(); r++) {
renderer = table.getCellRenderer(r, vColIndex);
comp =
renderer.getTableCellRendererComponent(
table, table.getValueAt(r, vColIndex), false, false, r, vColIndex);
width = Math.max(width, comp.getPreferredSize().width);
}
// Add margin
width += 2 * margin;
// Set the width
col.setPreferredWidth(width);
}
private static void drawSelection(JTable table, int column, Graphics g, final int width) {
int y = 0;
final int[] rows = table.getSelectedRows();
final int height = table.getRowHeight();
for (int row : rows) {
final TableCellRenderer renderer = table.getCellRenderer(row, column);
final Component component =
renderer.getTableCellRendererComponent(
table, table.getValueAt(row, column), false, false, row, column);
g.translate(0, y);
component.setBounds(0, 0, width, height);
boolean wasOpaque = false;
if (component instanceof JComponent) {
final JComponent j = (JComponent) component;
if (j.isOpaque()) wasOpaque = true;
j.setOpaque(false);
}
component.paint(g);
if (wasOpaque) {
((JComponent) component).setOpaque(true);
}
y += height;
g.translate(0, -y);
}
}
@Override
public Component getTableCellRendererComponent(
JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
setFont(table.getFont());
setText((value == null) ? "" : " " + value.toString());
if ((row == -1) && (column == 0)) { // No. column header
int width_header = getPreferredSize().width + 2;
int width_numbers = 25;
if (data.getRowCount() > 0) {
TableCellRenderer r = table.getCellRenderer(data.getRowCount() - 1, 0);
Component c =
r.getTableCellRendererComponent(
table,
((ConstructionTableData) data).getValueAt(data.getRowCount() - 1, 0),
false,
false,
data.getRowCount() - 1,
0);
// width = Math.max(width, c.getPreferredSize().width +2);
width_numbers = Math.max(width_numbers, c.getPreferredSize().width + 2);
}
// tableColumns[0].setMaxWidth(width);
tableColumns[0].setMinWidth(width_numbers);
tableColumns[0].setMaxWidth(Math.max(width_numbers, width_header));
// tableColumns[0].setPreferredWidth(width);
}
return this;
}
private void packColumn(JTable table, int vColIndex, int margin) {
// table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
DefaultTableColumnModel colModel = (DefaultTableColumnModel) table.getColumnModel();
TableColumn col = colModel.getColumn(vColIndex);
int width = 0;
// obtiene la anchura de la cabecera de la columna
TableCellRenderer renderer = col.getHeaderRenderer();
if (renderer == null) {
renderer = table.getTableHeader().getDefaultRenderer();
}
Component comp =
renderer.getTableCellRendererComponent(table, col.getHeaderValue(), false, false, 0, 0);
// width = comp.getPreferredSize().width;
width = 5;
// Obtine la anchura maxima de la coluna de
for (int r = 0; r < table.getRowCount(); r++) {
renderer = table.getCellRenderer(r, vColIndex);
comp =
renderer.getTableCellRendererComponent(
table, table.getValueAt(r, vColIndex), false, false, r, vColIndex);
width = Math.max(width, 0);
}
width += 2 * margin;
// Configura el ancho
col.setPreferredWidth(width);
}
private static int preferredWidth(JTable table, int col) {
TableColumn tableColumn = table.getColumnModel().getColumn(col);
int width =
(int)
table
.getTableHeader()
.getDefaultRenderer()
.getTableCellRendererComponent(
table, tableColumn.getIdentifier(), false, false, -1, col)
.getPreferredSize()
.getWidth();
if (table.getRowCount() != 0) {
int from = 0, to = 0;
Rectangle rect = table.getVisibleRect();
from = table.rowAtPoint(rect.getLocation());
to = table.rowAtPoint(new Point((int) rect.getMaxX(), (int) rect.getMaxY())) + 1;
for (int row = from; row < to; row++) {
int preferedWidth =
(int)
table
.getCellRenderer(row, col)
.getTableCellRendererComponent(
table, table.getValueAt(row, col), false, false, row, col)
.getPreferredSize()
.getWidth();
width = Math.max(width, preferedWidth);
}
}
return width + table.getIntercellSpacing().width;
}
/**
* auto fit table columns width
*
* @version 1.0
* @author dinglinhui
*/
public void FitTableColumns(JTable myTable) {
JTableHeader header = myTable.getTableHeader();
int rowCount = myTable.getRowCount();
Enumeration columns = myTable.getColumnModel().getColumns();
while (columns.hasMoreElements()) {
TableColumn column = (TableColumn) columns.nextElement();
int col = header.getColumnModel().getColumnIndex(column.getIdentifier());
int width =
(int)
myTable
.getTableHeader()
.getDefaultRenderer()
.getTableCellRendererComponent(
myTable, column.getIdentifier(), false, false, -1, col)
.getPreferredSize()
.getWidth();
for (int row = 0; row < rowCount; row++) {
int preferedWidth =
(int)
myTable
.getCellRenderer(row, col)
.getTableCellRendererComponent(
myTable, myTable.getValueAt(row, col), false, false, row, col)
.getPreferredSize()
.getWidth();
width = Math.max(width, preferedWidth);
}
header.setResizingColumn(column); // 此行很重要
column.setWidth(width + myTable.getIntercellSpacing().width);
}
}
// 表格列根据内容调整大小
public static void adjustTableColumnWidths(JTable table) {
JTableHeader header = table.getTableHeader(); // 表头
int rowCount = table.getRowCount(); // 表格的行数
TableColumnModel cm = table.getColumnModel(); // 表格的列模型
for (int i = 0; i < cm.getColumnCount(); i++) { // 循环处理每一列
TableColumn column = cm.getColumn(i); // 第i个列对象
int width =
(int)
header
.getDefaultRenderer()
.getTableCellRendererComponent(table, column.getIdentifier(), false, false, -1, i)
.getPreferredSize()
.getWidth(); // 用表头的绘制器计算第i列表头的宽度
for (int row = 0; row < rowCount; row++) { // 循环处理第i列的每一行，用单元格绘制器计算第i列第row行的单元格度
int preferedWidth =
(int)
table
.getCellRenderer(row, i)
.getTableCellRendererComponent(
table, table.getValueAt(row, i), false, false, row, i)
.getPreferredSize()
.getWidth();
width = Math.max(width, preferedWidth); // 取最大的宽度
}
column.setPreferredWidth(width + table.getIntercellSpacing().width); // 设置第i列的首选宽度
}
table.doLayout(); // 按照刚才设置的宽度重新布局各个列
}
@RunsInCurrentThread
private Component cellRendererIn(final JTable table, final int row, final int column) {
Object value = table.getValueAt(row, column);
TableCellRenderer cellRenderer = table.getCellRenderer(row, column);
boolean cellSelected = table.isCellSelected(row, column);
return cellRenderer.getTableCellRendererComponent(
table, value, cellSelected, false, row, column);
}
/**
* This method gets the width of a cell, specified by a column and row number.
*
* @param row The column number.
* @param column The row number.
* @return The width of the cell data.
*/
private int getCellDataWidth(int row, int column) {
// Inovke the renderer for the cell to calculate the preferred width
TableCellRenderer cellRenderer = table.getCellRenderer(row, column);
Component c = table.prepareRenderer(cellRenderer, row, column);
int width = c.getPreferredSize().width + table.getIntercellSpacing().width;
return width;
}
private JLabel renderTableCell(int rowIndex, int columnIndex) {
TableCellRenderer cellRenderer = table.getCellRenderer(rowIndex, columnIndex);
Object cellValue = table.getValueAt(rowIndex, columnIndex);
ListSelectionModel selectionModel = table.getSelectionModel();
boolean selected =
rowIndex >= selectionModel.getMinSelectionIndex()
&& rowIndex <= selectionModel.getMaxSelectionIndex();
return (JLabel)
cellRenderer.getTableCellRendererComponent(
table, cellValue, selected, false, rowIndex, columnIndex);
}
private int getColumnCellWidth(JTable table, int colIndex) {
int width = 0;
for (int r = 0; r < table.getRowCount(); r++) {
TableCellRenderer renderer = table.getCellRenderer(r, colIndex);
Component comp =
renderer.getTableCellRendererComponent(
table, table.getValueAt(r, colIndex), false, false, r, colIndex);
width = Math.max(width, comp.getPreferredSize().width);
}
return width;
}
private void resizeColumnWidth() {
final TableColumnModel columnModel = jTable1.getColumnModel();
for (int column = 0; column < jTable1.getColumnCount(); column++) {
int width = 50; // Min width
for (int row = 0; row < jTable1.getRowCount(); row++) {
TableCellRenderer renderer = jTable1.getCellRenderer(row, column);
Component comp = jTable1.prepareRenderer(renderer, row, column);
width = Math.max(comp.getPreferredSize().width, width);
}
columnModel.getColumn(column).setPreferredWidth(width);
}
CenterText();
}
/*package*/ void fitTableColumns(JTable table) {
for (int i = 0; i < table.getColumnModel().getColumnCount(); i++) {
TableColumn column = table.getColumnModel().getColumn(i);
int max = MINIMUM_TABLE_COLUMN_WIDTH;
for (int j = 0; j < table.getRowCount(); j++) {
TableCellRenderer r = table.getCellRenderer(j, i);
Component c =
r.getTableCellRendererComponent(table, table.getValueAt(j, i), false, false, j, i);
int width = c.getPreferredSize().width;
if (width > max) {
max = width;
}
}
column.setPreferredWidth(max);
}
}
/**
* Calculates the optimal width for the column of the given table. The calculation is based on the
* preferred width of the header and cell renderer. <br>
* Taken from the newsgoup de.comp.lang.java with some modifications.<br>
* Taken from FOPPS/EnhancedTable - http://fopps.sourceforge.net/<br>
*
* @param table the table to calculate the column width
* @param col the column to calculate the widths
* @return the width, -1 if error
*/
public static int calcColumnWidth(JTable table, int col) {
int width = calcHeaderWidth(table, col);
if (width == -1) return width;
TableColumnModel columns = table.getColumnModel();
TableModel data = table.getModel();
int rowCount = data.getRowCount();
TableColumn column = columns.getColumn(col);
try {
for (int row = rowCount - 1; row >= 0; --row) {
Component c = table.prepareRenderer(table.getCellRenderer(row, col), row, col);
width = Math.max(width, c.getPreferredSize().width + 10);
}
} catch (Exception e) {
e.printStackTrace();
}
return width;
}
private static void adjustColumnWidth(JTable tbl, int col, int cellInset) {
int maxwidth = 0;
for (int row = 0; row < tbl.getRowCount(); row++) {
TableCellRenderer tcr = tbl.getCellRenderer(row, col);
Object val = tbl.getValueAt(row, col);
Component comp = tcr.getTableCellRendererComponent(tbl, val, false, false, row, col);
maxwidth = Math.max(comp.getPreferredSize().width + cellInset, maxwidth);
}
TableCellRenderer tcr = tbl.getTableHeader().getDefaultRenderer();
Object val = tbl.getColumnModel().getColumn(col).getHeaderValue();
Component comp = tcr.getTableCellRendererComponent(tbl, val, false, false, -1, col);
maxwidth =
Math.max(
comp.getPreferredSize().width + Main.pref.getInteger("table.header-inset", 0),
maxwidth);
int spacing = tbl.getIntercellSpacing().width;
tbl.getColumnModel().getColumn(col).setPreferredWidth(maxwidth + spacing);
}
public static void resizeColumnToFit(
PRManFrame frame, TableView view, TableColumn tc, JTable table) {
int cIdx = table.getColumnModel().getColumnIndex(tc.getIdentifier());
int width = tc.getWidth();
for (int iCnt = 0; iCnt < table.getRowCount(); iCnt++) {
if (view == null
|| !frame.isDescriptionResourceRow(view.tableModel.getModelRowForIndex(iCnt))) {
Component comp =
table
.getCellRenderer(iCnt, cIdx)
.getTableCellRendererComponent(
table, table.getValueAt(iCnt, cIdx), true, false, iCnt, cIdx);
comp.invalidate();
comp.validate();
int cpw = comp.getPreferredSize().width;
width = Math.max(width, cpw);
}
}
tc.setPreferredWidth(width);
}
public void packColumn(JTable table, int vColIndex, int margin) {
TableModel model = table.getModel();
DefaultTableColumnModel colModel = (DefaultTableColumnModel) table.getColumnModel();
TableColumn col = colModel.getColumn(vColIndex);
int width = 0; // Obtém a largura do cabeçalho da coluna
TableCellRenderer renderer = col.getHeaderRenderer();
if (renderer == null) {
renderer = table.getTableHeader().getDefaultRenderer();
}
Component comp =
renderer.getTableCellRendererComponent(table, col.getHeaderValue(), false, false, 0, 0);
width = comp.getPreferredSize().width; // Obtém a largura maxima da coluna de dados
for (int r = 0; r < table.getRowCount(); r++) {
renderer = table.getCellRenderer(r, vColIndex);
comp =
renderer.getTableCellRendererComponent(
table, table.getValueAt(r, vColIndex), false, false, r, vColIndex);
width = Math.max(width, comp.getPreferredSize().width);
}
width += 2 * margin; // Configura a largura
col.setPreferredWidth(width);
}
/**
* This method picks good column sizes. If all column heads are wider than the column's cells'
* contents, then you can just use column.sizeWidthToFit().
*/
private void initColumnSizes(JTable table) {
TableModel model = table.getModel();
if (model.getRowCount() > 0) {
TableColumn column = null;
Component comp = null;
int cellWidth = 0;
TableColumnModel columnModel = table.getColumnModel();
for (int i = 0; i < columnModel.getColumnCount(); i++) {
column = columnModel.getColumn(i);
for (int j = 0; j < table.getRowCount(); j++) {
TableCellRenderer cellRenderer = table.getCellRenderer(j, i);
comp =
cellRenderer.getTableCellRendererComponent(
table, model.getValueAt(j, i), false, false, j, i);
cellWidth = comp.getPreferredSize().width;
column.setPreferredWidth(Math.max(column.getPreferredWidth(), cellWidth));
}
}
}
}
public void setFont(Font font) {
super.setFont(font);
if (dataTable != null && dataTable.getRowCount() > 0 && dataTable.getColumnCount() > 0) {
// set the font for each component
dataTable.setFont(font);
if (dataTable.getTableHeader() != null) dataTable.getTableHeader().setFont(font);
rowHeader.setFont(font);
// get row height needed to draw an "X" character
int h =
dataTable
.getCellRenderer(0, 0)
.getTableCellRendererComponent(dataTable, "X", false, false, 0, 0)
.getPreferredSize()
.height;
// use this height to set the table and row header heights
dataTable.setRowHeight(h);
rowHeader.setFixedCellHeight(h);
// set the column width
int size = font.getSize();
if (size < 12) size = 12; // minimum size
double multiplier = (size) / 12.0;
preferredColumnWidth = (int) (SpreadsheetSettings.TABLE_CELL_WIDTH * multiplier);
// columnHeader.setPreferredSize(new Dimension(preferredColumnWidth,
// (int)(MyTable.TABLE_CELL_HEIGHT * multiplier)));
// this.validate();
// dataTable.repaint();
}
if (dataTable != null)
dataTable.setPreferredScrollableViewportSize(dataTable.getPreferredSize());
}
package com.l2fprod.common.swing.table;