private void checkCache(Container paramContainer) {
if (paramContainer == null) return;
if (this.dirty) this.grid = null;
int i = PlatformDefaults.getModCount();
if (this.lastModCount != i) {
this.grid = null;
this.lastModCount = i;
}
if (!paramContainer.isValid()) {
if (!this.lastWasInvalid) {
this.lastWasInvalid = true;
int j = 0;
int k = 0;
Object localObject1 = this.ccMap.keySet().iterator();
while (((Iterator) localObject1).hasNext()) {
ComponentWrapper localComponentWrapper =
(ComponentWrapper) ((Iterator) localObject1).next();
Object localObject2 = localComponentWrapper.getComponent();
if (((localObject2 instanceof JTextArea)) || ((localObject2 instanceof JEditorPane)))
k = 1;
j += localComponentWrapper.getLayoutHashCode();
}
if (k != 0) resetLastInvalidOnParent(paramContainer);
if (j != this.lastHash) {
this.grid = null;
this.lastHash = j;
}
localObject1 = paramContainer.getSize();
if ((this.lastInvalidSize == null) || (!this.lastInvalidSize.equals(localObject1))) {
if (this.grid != null) this.grid.invalidateContainerSize();
this.lastInvalidSize = ((Dimension) localObject1);
}
}
} else this.lastWasInvalid = false;
ContainerWrapper localContainerWrapper = checkParent(paramContainer);
setDebug(localContainerWrapper, getDebugMillis() > 0);
if (this.grid == null)
this.grid =
new Grid(
localContainerWrapper,
this.lc,
this.rowSpecs,
this.colSpecs,
this.ccMap,
this.callbackList);
this.dirty = false;
}
/**
* Returns the minimum or preferred dimension needed to layout the target container.
*
* @param target target to get layout size for
* @param preferred should preferred size be calculated
* @return the dimension to layout the target container
*/
private Dimension layoutSize(Container target, boolean preferred) {
synchronized (target.getTreeLock()) {
// Each row must fit with the width allocated to the containter.
// When the container width = 0, the preferred width of the container
// has not yet been calculated so lets ask for the maximum.
int targetWidth = target.getSize().width;
if (targetWidth == 0) {
targetWidth = Integer.MAX_VALUE;
}
int hgap = getHgap();
int vgap = getVgap();
Insets insets = target.getInsets();
int horizontalInsetsAndGap = insets.left + insets.right + (hgap * 2);
int maxWidth = targetWidth - horizontalInsetsAndGap;
// Fit components into the allowed width
Dimension dim = new Dimension(0, 0);
int rowWidth = 0;
int rowHeight = 0;
int nmembers = target.getComponentCount();
for (int i = 0; i < nmembers; i++) {
Component m = target.getComponent(i);
if (m.isVisible()) {
Dimension d = preferred ? m.getPreferredSize() : m.getMinimumSize();
// Can't add the component to current row. Start a new row.
if (rowWidth + d.width > maxWidth) {
addRow(dim, rowWidth, rowHeight);
rowWidth = 0;
rowHeight = 0;
}
// Add a horizontal gap for all components after the first
if (rowWidth != 0) {
rowWidth += hgap;
}
rowWidth += d.width;
rowHeight = Math.max(rowHeight, d.height);
}
}
addRow(dim, rowWidth, rowHeight);
dim.width += horizontalInsetsAndGap;
dim.height += insets.top + insets.bottom + vgap * 2;
// When using a scroll pane or the DecoratedLookAndFeel we need to
// make sure the preferred size is less than the size of the
// target containter so shrinking the container size works
// correctly. Removing the horizontal gap is an easy way to do this.
Container scrollPane = SwingUtilities.getAncestorOfClass(JScrollPane.class, target);
if (scrollPane != null && target.isValid()) {
dim.width -= (hgap + 1);
}
return dim;
}
}
