Java Utililty Methods JTree Collapse

List of utility methods to do JTree Collapse

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Description

The list of methods to do JTree Collapse are organized into topic(s).

Method

voidcollapseAll(JTree tree)
collapse All 
expandAll(tree, false);
voidcollapseAllNodes(JTree tree)
collapse All Nodes 
int row = tree.getRowCount() - 1;
while (row >= 0) {
    tree.collapseRow(row);
    row--;
tree.expandRow(0);
row = tree.getRowCount() - 1;
while (row >= 0) {
...
voidcollapseAllRows(JTree tree)
collapse All Rows 
for (int i = tree.getRowCount() - 1; i >= 0; i--) {
    tree.collapseRow(i);
voidcollapseTree(JTree tree)
Collapses all nodes in a tree. 
for (int i = tree.getRowCount() - 1; i > 0; i--) {
    tree.collapseRow(i);
tree.setSelectionRow(0);
voidcollapseTree(JTree tree)
Collapse the tree 
final DefaultTreeModel model = (DefaultTreeModel) tree.getModel();
final DefaultMutableTreeNode root = (DefaultMutableTreeNode) model.getRoot();
collapseSubTree(tree, root, model);
voidfullSelectionCollapse(JTree tree)
full Selection Collapse 
int startRow = tree.getLeadSelectionRow();
int stopRow = getStopRow(tree, startRow);
for (int i = stopRow - 1; i >= startRow; --i) {
    tree.collapseRow(i);
IcongetTreeSelectedCollapsedIcon()
get Tree Selected Collapsed Icon 
return getTreeCollapsedIcon();
voidsetCollapsedIcon(JTree tree, Icon icon)
Set's the collapsed icon to use for the given JTree if that tree's UI delegate exetends from BasicTreeUI . 
if (tree.getUI() instanceof BasicTreeUI) {
    ((BasicTreeUI) tree.getUI()).setCollapsedIcon(icon);