private HeaderCellRenderer getHeaderRenderer(int idx) {
TableColumn tc = data.getColumnModel().getColumn(idx);
if (tc.getHeaderRenderer() != null) return (HeaderCellRenderer) tc.getHeaderRenderer();
HeaderCellRenderer hcr = new HeaderCellRenderer();
tc.setHeaderRenderer(hcr);
return hcr;
}
/**
* Calculates the optimal width for the header of the given table. The calculation is based on the
* preferred width of the header renderer.
*
* @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 calcHeaderWidth(JTable table, int col) {
if (table == null) return -1;
if (col < 0 || col > table.getColumnCount()) {
System.out.println("invalid col " + col);
return -1;
}
JTableHeader header = table.getTableHeader();
TableCellRenderer defaultHeaderRenderer = null;
if (header != null) defaultHeaderRenderer = header.getDefaultRenderer();
TableColumnModel columns = table.getColumnModel();
TableModel data = table.getModel();
TableColumn column = columns.getColumn(col);
int width = -1;
TableCellRenderer h = column.getHeaderRenderer();
if (h == null) h = defaultHeaderRenderer;
if (h != null) {
// Not explicitly impossible
Component c =
h.getTableCellRendererComponent(table, column.getHeaderValue(), false, false, -1, col);
width = c.getPreferredSize().width + 5;
}
return width;
}
private int getHeaderHeight() {
if ((header == null) || (header.getTable() == null)) {
return 0;
}
int height = 0;
boolean accomodatedDefault = false;
TableColumnModel columnModel = header.getColumnModel();
for (int column = 0; column < columnModel.getColumnCount(); column++) {
TableColumn aColumn = columnModel.getColumn(column);
boolean isDefault = (aColumn.getHeaderRenderer() == null);
if (!isDefault || !accomodatedDefault) {
Component comp = getHeaderRenderer(column);
int rendererHeight = comp.getPreferredSize().height;
height = Math.max(height, rendererHeight);
// Configuring the header renderer to calculate its preferred size
// is expensive. Optimise this by assuming the default renderer
// always has the same height as the first non-zero height that
// it returns for a non-null/non-empty value.
if (isDefault && rendererHeight > 0) {
Object headerValue = aColumn.getHeaderValue();
if (headerValue != null) {
headerValue = headerValue.toString();
if (headerValue != null && !headerValue.equals("")) {
accomodatedDefault = true;
}
}
}
}
}
return height + 2;
}
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);
}
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);
}
public void
setColumnWidths() { // See
// "http://java.sun.com/docs/books/tutorial/uiswing/components/table.html#custom"
int n = getModel().getColumnCount();
for (int j = 0; j < n; ++j) {
TableColumn column = getColumnModel().getColumn(j);
TableCellRenderer headerRenderer = column.getHeaderRenderer();
if (headerRenderer == null)
headerRenderer = getTableHeader().getDefaultRenderer(); // the new 1.3 way
Component columnComponent =
headerRenderer.getTableCellRendererComponent(
this, column.getHeaderValue(), false, false, -1, j);
Component cellComponent =
getDefaultRenderer(getColumnClass(j))
.getTableCellRendererComponent(this, getModel().getValueAt(0, j), false, false, 0, j);
int wantWidth =
Math.max(
columnComponent.getPreferredSize().width
+ 10, // fudge factor ... seems to always be too small otherwise (on x86 Linux)
cellComponent.getPreferredSize().width
+ 10 // fudge factor ... seems to always be too small otherwise (on Mac OS X)
);
column.setPreferredWidth(wantWidth);
}
}
private int getColumnHeaderWidth(JTable table, int colIndex) {
TableColumn col = table.getColumnModel().getColumn(colIndex);
TableCellRenderer renderer = col.getHeaderRenderer();
if (renderer == null) renderer = table.getTableHeader().getDefaultRenderer();
Component comp =
renderer.getTableCellRendererComponent(table, col.getHeaderValue(), false, false, 0, 0);
return comp.getPreferredSize().width;
}
public void setSortCol(int sortCol, boolean reverse) {
TableColumnModel tcm = table.getColumnModel();
for (int i = 0; i < table.getColumnCount(); i++) {
TableColumn tc = tcm.getColumn(i);
SortedHeaderRenderer shr = (SortedHeaderRenderer) tc.getHeaderRenderer();
shr.setSortCol(sortCol, reverse);
}
}
protected Component getHeaderRenderer(int col) {
if ((header == null) || (header.getTable() == null)) {
return null;
}
TableColumn tabCol = header.getColumnModel().getColumn(col);
TableCellRenderer renderer = tabCol.getHeaderRenderer();
if (renderer == null) {
renderer = header.getDefaultRenderer();
}
return renderer.getTableCellRendererComponent(
header.getTable(), tabCol.getHeaderValue(), false, false, -1, col);
}
/** @param col */
public void sort(int col) {
if (col != -1) {
final TableColumnModel tcm = getColumnModel();
final TableColumn tc = tcm.getColumn(col);
final SortRenderer renderer = (SortRenderer) tc.getHeaderRenderer();
renderer.setPressedColumn(tc);
}
final List objs = saveSelection(this);
getSelectionModel().clearSelection();
((RowTableModel) getModel()).sort(convertColumnIndexToModel(col));
loadSelection(this, objs);
}
/*
* Calculated the width based on the column name
*/
private int getColumnHeaderWidth(int column) {
if (!isColumnHeaderIncluded) return 0;
TableColumn tableColumn = table.getColumnModel().getColumn(column);
Object value = tableColumn.getHeaderValue();
TableCellRenderer renderer = tableColumn.getHeaderRenderer();
if (renderer == null) {
renderer = table.getTableHeader().getDefaultRenderer();
}
Component c = renderer.getTableCellRendererComponent(table, value, false, false, -1, column);
return c.getPreferredSize().width;
}
private Component getHeaderRenderer(int columnIndex) {
TableColumn aColumn = header.getColumnModel().getColumn(columnIndex);
TableCellRenderer renderer = aColumn.getHeaderRenderer();
if (renderer == null) {
renderer = header.getDefaultRenderer();
}
if (headerSelected == columnIndex) {
headerSelected = -1;
return renderer.getTableCellRendererComponent(
header.getTable(), aColumn.getHeaderValue(), true, false, -1, columnIndex);
} else {
return renderer.getTableCellRendererComponent(
header.getTable(), aColumn.getHeaderValue(), false, false, -1, columnIndex);
}
}
public void autoResizeColWidth() {
int margin = 5;
for (int i = 0; i < tabel.getColumnCount(); i++) {
int vColIndex = i;
DefaultTableColumnModel colModel = (DefaultTableColumnModel) tabel.getColumnModel();
TableColumn col = colModel.getColumn(vColIndex);
int width = 0;
// Get width of column header
TableCellRenderer renderer = col.getHeaderRenderer();
if (renderer == null) {
renderer = tabel.getTableHeader().getDefaultRenderer();
}
Component comp =
renderer.getTableCellRendererComponent(tabel, col.getHeaderValue(), false, false, 0, 0);
width = comp.getPreferredSize().width;
// Get maximum width of column data
for (int r = 0; r < tabel.getRowCount(); r++) {
renderer = tabel.getCellRenderer(r, vColIndex);
comp =
renderer.getTableCellRendererComponent(
tabel, tabel.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);
}
((DefaultTableCellRenderer) tabel.getTableHeader().getDefaultRenderer())
.setHorizontalAlignment(SwingConstants.LEFT);
// table.setAutoCreateRowSorter(true);
tabel.getTableHeader().setReorderingAllowed(false);
}
protected void setResultsData() {
getTable().setModel(getTableModel());
int maxScoreColWidth = 0;
for (int x = 0; x < getTableModel().getColumnCount(); x++) {
if (x != 1) {
getTable()
.getColumnModel()
.getColumn(x)
.setCellRenderer(new ResultsTableCellRenderer(false));
}
TableColumn column = getTable().getColumnModel().getColumn(x);
Component comp;
column.setHeaderRenderer(new ResultsTableCellRenderer(true));
comp =
column
.getHeaderRenderer()
.getTableCellRendererComponent(null, column.getHeaderValue(), false, false, 0, 0);
int width = comp.getPreferredSize().width;
for (int y = 0; y < getTableModel().getRowCount(); y++) {
comp =
getTable()
.getDefaultRenderer(getTableModel().getColumnClass(x))
.getTableCellRendererComponent(
getTable(), getTableModel().getValueAt(y, x), false, false, 0, x);
if (comp.getPreferredSize().width > width) {
width = comp.getPreferredSize().width;
}
}
TableColumn col = getTable().getColumnModel().getColumn(x);
col.setPreferredWidth(width);
col.setMinWidth(width);
col.setWidth(width);
if (x >= 3 && width > maxScoreColWidth) {
maxScoreColWidth = 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);
}
public int calcColumnWidths(JTableIbp table) {
int panelsWidth = 0;
JTableHeader header = table.getTableHeader();
TableCellRenderer defaultHeaderRenderer = null;
if (header != null) defaultHeaderRenderer = header.getDefaultRenderer();
TableColumnModel columns = table.getColumnModel();
// tableModel = table.getModel();
int margin = columns.getColumnMargin(); // only JDK1.3
int rowCount = table.getModel().getRowCount();
for (int i = columns.getColumnCount() - 1; i >= 0; --i) {
TableColumn column = columns.getColumn(i);
int columnIndex = column.getModelIndex();
int width = -1;
TableCellRenderer h = column.getHeaderRenderer();
if (h == null) h = defaultHeaderRenderer;
if (h != null) // Not explicitly impossible
{
Component c =
h.getTableCellRendererComponent(table, column.getHeaderValue(), false, false, -1, i);
width = c.getPreferredSize().width;
}
for (int row = rowCount - 1; row >= 0; --row) {
TableCellRenderer r = table.getCellRenderer(row, i);
Component c =
r.getTableCellRendererComponent(
table, table.getModel().getValueAt(row, columnIndex), false, false, row, i);
width = Math.max(width, c.getPreferredSize().width);
}
if (width >= 0) column.setPreferredWidth(width + margin); // <1.3: without
// margin
else ; // ???
panelsWidth += column.getPreferredWidth();
}
panelsWidth = panelsWidth > (screenWidth - 30) ? screenWidth : panelsWidth;
frameWidth = panelsWidth > (frameWidth - 30) ? (panelsWidth - 30) : frameWidth;
return panelsWidth;
}
private void resizeColumns() {
int columnCount = getColumnCount();
int rowCount = getRowCount();
TableColumnModel columnModel = getColumnModel();
for (int columnIndex = 0; columnIndex < columnCount; columnIndex++) {
TableColumn column = columnModel.getColumn(columnIndex);
int preferredWidth = column.getMinWidth();
int maxWidth = column.getMaxWidth();
// Header value with
TableCellRenderer cellRenderer = column.getHeaderRenderer();
if (cellRenderer == null) {
cellRenderer = getTableHeader().getDefaultRenderer();
}
Object headerValue = column.getHeaderValue();
Component comp =
cellRenderer.getTableCellRendererComponent(
this, headerValue, false, false, 0, columnIndex);
int width = comp.getPreferredSize().width + getIntercellSpacing().width + 15;
preferredWidth = Math.max(preferredWidth, width);
// Row values' width
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++) {
cellRenderer = getCellRenderer(rowIndex, columnIndex);
comp = prepareRenderer(cellRenderer, rowIndex, columnIndex);
width = comp.getPreferredSize().width + getIntercellSpacing().width + 15;
preferredWidth = Math.max(preferredWidth, width);
if (preferredWidth >= maxWidth) {
preferredWidth = maxWidth;
break;
}
}
column.setPreferredWidth(preferredWidth);
}
}
package com.l2fprod.common.swing.table;