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Added sizeColumnsToContents().

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git-svn-id: https://samskivert.googlecode.com/svn/trunk@1071 6335cc39-0255-0410-8fd6-9bcaacd3b74c
This commit is contained in:
mdb
2003-03-22 00:36:05 +00:00
parent 560ea5ea64
commit 1799d7d06e
1 changed files with 38 additions and 1 deletions
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projects/samskivert/src/java/com/samskivert/swing/util/SwingUtil.java
+38 -1
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@@ -1,5 +1,5 @@
//
// $Id: SwingUtil.java,v 1.20 2003/01/11 00:44:53 shaper Exp $
// $Id: SwingUtil.java,v 1.21 2003/03/22 00:36:05 mdb Exp $
//
// samskivert library - useful routines for java programs
// Copyright (C) 2001 Michael Bayne
@@ -50,6 +50,9 @@ import javax.swing.text.DocumentFilter;
import javax.swing.text.JTextComponent;
import com.samskivert.util.SortableArrayList;
import javax.swing.JTable;
import javax.swing.table.TableModel;
import javax.swing.table.TableColumn;
/**
* Miscellaneous useful Swing-related utility functions.
@@ -477,6 +480,40 @@ public class SwingUtil
gfx.setRenderingHint(RenderingHints.KEY_ANTIALIASING, rock);
}
/**
* Adjusts the widths of the columns of the supplied table to fit
* their contents.
*/
public static void sizeColumnsToContents (JTable table)
{
TableModel model = table.getModel();
TableColumn column = null;
Component comp = null;
int headerWidth = 0, cellWidth = 0;
int ccount = model.getColumnCount(), rcount = model.getRowCount();
for (int cc = 0; cc < ccount; cc++) {
column = table.getColumnModel().getColumn(cc);
try {
comp = column.getHeaderRenderer().
getTableCellRendererComponent(null, column.getHeaderValue(),
false, false, 0, 0);
headerWidth = comp.getPreferredSize().width;
} catch (NullPointerException e) {
// getHeaderRenderer() this doesn't work in 1.3
}
for (int rr = 0; rr < rcount; rr++) {
Object cellValue = model.getValueAt(rr, cc);
comp = table.getDefaultRenderer(model.getColumnClass(cc)).
getTableCellRendererComponent(table, cellValue,
false, false, 0, cc);
cellWidth = Math.max(comp.getPreferredSize().width, cellWidth);
}
column.setPreferredWidth(Math.max(headerWidth, cellWidth));
}
}
/**
* Refreshes the supplied {@link JComponent} to effect a call to
* {@link JComponent#revalidate} and {@link JComponent#repaint}, which