| Methods Summary |
|---|
| public void | addLayoutComponent(java.lang.String name, java.awt.Component comp)
|
| public void | layoutContainer(java.awt.Container parent)
Insets insets = parent.getInsets();
int maxWidth = parent.getSize().width
- (insets.left + insets.right);
int maxHeight = parent.getSize().height
- (insets.top + insets.bottom);
int nComps = parent.getComponentCount();
int previousWidth = 0, previousHeight = 0;
int x = 0, y = insets.top;
int rowh = 0, start = 0;
int xFudge = 0, yFudge = 0;
boolean oneColumn = false;
// Go through the components' sizes, if neither
// preferredLayoutSize nor minimumLayoutSize has
// been called.
if (sizeUnknown) {
setSizes(parent);
}
if (maxWidth <= minWidth) {
oneColumn = true;
}
if (maxWidth != preferredWidth) {
xFudge = (maxWidth - preferredWidth)/(nComps - 1);
}
if (maxHeight > preferredHeight) {
yFudge = (maxHeight - preferredHeight)/(nComps - 1);
}
for (int i = 0 ; i < nComps ; i++) {
Component c = parent.getComponent(i);
if (c.isVisible()) {
Dimension d = c.getPreferredSize();
// increase x and y, if appropriate
if (i > 0) {
if (!oneColumn) {
x += previousWidth/2 + xFudge;
}
y += previousHeight + vgap + yFudge;
}
// If x is too large,
if ((!oneColumn) &&
(x + d.width) >
(parent.getSize().width - insets.right)) {
// reduce x to a reasonable number.
x = parent.getSize().width
- insets.bottom - d.width;
}
// If y is too large,
if ((y + d.height)
> (parent.getSize().height - insets.bottom)) {
// do nothing.
// Another choice would be to do what we do to x.
}
// Set the component's size and position.
c.setBounds(x, y, d.width, d.height);
previousWidth = d.width;
previousHeight = d.height;
}
}
|
| public java.awt.Dimension | minimumLayoutSize(java.awt.Container parent)
Dimension dim = new Dimension(0, 0);
int nComps = parent.getComponentCount();
//Always add the container's insets!
Insets insets = parent.getInsets();
dim.width = minWidth
+ insets.left + insets.right;
dim.height = minHeight
+ insets.top + insets.bottom;
sizeUnknown = false;
return dim;
|
| public java.awt.Dimension | preferredLayoutSize(java.awt.Container parent)
Dimension dim = new Dimension(0, 0);
int nComps = parent.getComponentCount();
setSizes(parent);
//Always add the container's insets!
Insets insets = parent.getInsets();
dim.width = preferredWidth
+ insets.left + insets.right;
dim.height = preferredHeight
+ insets.top + insets.bottom;
sizeUnknown = false;
return dim;
|
| public void | removeLayoutComponent(java.awt.Component comp)
|
| private void | setSizes(java.awt.Container parent)
int nComps = parent.getComponentCount();
Dimension d = null;
//Reset preferred/minimum width and height.
preferredWidth = 0;
preferredHeight = 0;
minWidth = 0;
minHeight = 0;
for (int i = 0; i < nComps; i++) {
Component c = parent.getComponent(i);
if (c.isVisible()) {
d = c.getPreferredSize();
if (i > 0) {
preferredWidth += d.width/2;
preferredHeight += vgap;
} else {
preferredWidth = d.width;
}
preferredHeight += d.height;
minWidth = Math.max(c.getMinimumSize().width,
minWidth);
minHeight = preferredHeight;
}
}
|
| public java.lang.String | toString()
String str = "";
return getClass().getName() + "[vgap=" + vgap + str + "]";
|
