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);
}
}
/**
* Calculates the preferred size dimensions for the specified panel given the components in the
* specified parent container.
*
* @param target The component to be laid out.
* @return A size deemed suitable for laying out the container.
* @see #minimumLayoutSize
*/
public Dimension preferredLayoutSize(Container target) {
int count;
Component component;
Dimension dimension;
Insets insets;
Dimension ret;
synchronized (target.getTreeLock()) {
// get the the total height and maximum width component
ret = new Dimension(0, 0);
count = target.getComponentCount();
for (int i = 0; i < count; i++) {
component = target.getComponent(i);
if (component.isVisible()) {
dimension = component.getPreferredSize();
ret.width = Math.max(ret.width, dimension.width);
ret.height += dimension.height;
}
}
insets = target.getInsets();
ret.width += insets.left + insets.right;
ret.height += insets.top + insets.bottom;
}
return (ret);
}
/**
* Lays out the container.
*
* @param target The container which needs to be laid out.
*/
public void layoutContainer(Container target) {
int count;
Component component;
Dimension dimension;
synchronized (target.getTreeLock()) {
count = target.getComponentCount();
for (int i = 0; i < count; i++) {
component = target.getComponent(i);
if (component.isVisible()) {
dimension = component.getPreferredSize();
component.setSize(dimension.width, dimension.height);
}
}
}
}
/**
* Calculates the preferred size dimensions for the specified panel given the components in the
* specified parent container.
*
* @see #minimumLayoutSize
* @param target The component to be laid out.
* @return A size deemed suitable for laying out the container.
*/
public Dimension preferredLayoutSize(Container target) {
int count;
Container parent;
Component component;
Point point;
Dimension dimension;
Insets insets;
Dimension ret;
synchronized (target.getTreeLock()) {
count = target.getComponentCount();
if (0 == count) {
// be the same size unless we have a parent
ret = target.getSize();
parent = target.getParent();
if (null != parent) {
insets = parent.getInsets();
ret = parent.getSize();
ret.setSize(
ret.width - insets.left - insets.right, ret.height - insets.top - insets.bottom);
}
} else {
ret = new Dimension(0, 0);
for (int i = 0; i < count; i++) {
component = target.getComponent(i);
if (component.isVisible()) {
point = component.getLocation();
dimension = component.getPreferredSize();
ret.width = Math.max(ret.width, point.x + dimension.width);
ret.height = Math.max(ret.height, point.y + dimension.height);
}
}
insets = target.getInsets();
ret.width += insets.left + insets.right;
ret.height += insets.top + insets.bottom;
}
}
return (ret);
}
/**
* Lays out the container.
*
* @param target The container which needs to be laid out.
*/
public void layoutContainer(Container target) {
Insets insets;
int x;
int y;
int count;
int width;
Component component;
Dimension dimension;
synchronized (target.getTreeLock()) {
insets = target.getInsets();
x = insets.left;
y = insets.top;
count = target.getComponentCount();
width = 0;
for (int i = 0; i < count; i++) {
component = target.getComponent(i);
if (component.isVisible()) {
dimension = component.getPreferredSize();
width = Math.max(width, dimension.width);
component.setSize(dimension.width, dimension.height);
component.setLocation(x, y);
y += dimension.height;
}
}
// now set them all to the same width
for (int i = 0; i < count; i++) {
component = target.getComponent(i);
if (component.isVisible()) {
dimension = component.getSize();
dimension.width = width;
component.setSize(dimension.width, dimension.height);
}
}
}
}
/**
* Sets the scaled component height, adopting the original component width.
*
* @param comp component
* @param h height
*/
public static void setHeight(final Component comp, final int h) {
comp.setPreferredSize(new Dimension(comp.getPreferredSize().width, (int) (h * scale)));
}
/**
* Sets the scaled component width, adopting the original component height.
*
* @param comp component
* @param w width
*/
public static void setWidth(final Component comp, final int w) {
comp.setPreferredSize(new Dimension((int) (w * scale), comp.getPreferredSize().height));
}