/**
* Sets the height of each cell. If rowHeight is less than or equal to 0 this will throw an
* IllegalArgumentException.
*
* @param rowHeight the height of each cell, in pixels
*/
public void setRowHeight(int rowHeight) {
if (rowHeight <= 0)
throw new IllegalArgumentException(
"FixedHeightLayoutCache only supports row heights greater than 0");
if (getRowHeight() != rowHeight) {
super.setRowHeight(rowHeight);
visibleNodesChanged();
}
}
/**
* Determines whether or not the root node from the TreeModel is visible.
*
* @param rootVisible true if the root node of the tree is to be displayed
* @see #rootVisible
*/
public void setRootVisible(boolean rootVisible) {
if (isRootVisible() != rootVisible) {
super.setRootVisible(rootVisible);
if (root != null) {
if (rootVisible) {
rowCount++;
root.adjustRowBy(1);
} else {
rowCount--;
root.adjustRowBy(-1);
}
visibleNodesChanged();
}
}
}
/**
* Sets the TreeModel that will provide the data.
*
* @param newModel the TreeModel that is to provide the data
*/
public void setModel(TreeModel newModel) {
super.setModel(newModel);
rebuild(false);
}
public void setNodeDimensions(final NodeDimensions nd) {
super.setNodeDimensions(nd);
if (getStateRoot() != null) {
getStateRoot().invalidateSubtree();
}
}
public void setRowHeight(final int rowHeight) {
super.setRowHeight(rowHeight);
if (getStateRoot() != null) {
getStateRoot().invalidateSubtree();
}
}
