+++ /dev/null
-
-package be.nikiroo.utils.ui;
-
-import java.awt.BorderLayout;
-import java.awt.Dimension;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.awt.event.ComponentAdapter;
-import java.awt.event.ComponentEvent;
-import java.util.ArrayList;
-import java.util.List;
-
-import javax.swing.AbstractAction;
-import javax.swing.BoxLayout;
-import javax.swing.JPanel;
-import javax.swing.JPopupMenu;
-import javax.swing.JToggleButton;
-import javax.swing.SwingWorker;
-import javax.swing.event.PopupMenuEvent;
-import javax.swing.event.PopupMenuListener;
-
-public class BreadCrumbsBar<T> extends ListenerPanel {
- private class BreadCrumb extends JPanel {
- private JToggleButton button;
- private JToggleButton down;
-
- public BreadCrumb(final DataNode<T> node) {
- this.setLayout(new BorderLayout());
-
- if (!node.isRoot()) {
- button = new JToggleButton(node.toString());
- button.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- button.setSelected(false);
- if (!node.isRoot()) {
- // TODO: allow clicking on root? option?
- setSelectedNode(node);
- }
- }
- });
-
- this.add(button, BorderLayout.CENTER);
- }
-
- if (!node.getChildren().isEmpty()) {
- // TODO (see things with icons included in viewer)
- down = new JToggleButton(">");
- final JPopupMenu popup = new JPopupMenu();
-
- for (final DataNode<T> child : node.getChildren()) {
- popup.add(new AbstractAction(child.toString()) {
- private static final long serialVersionUID = 1L;
-
- @Override
- public void actionPerformed(ActionEvent e) {
- setSelectedNode(child);
- }
- });
- }
-
- down.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent ev) {
- if (down.isSelected()) {
- popup.show(down, 0, down.getBounds().height);
- } else {
- popup.setVisible(false);
- }
- }
- });
-
- popup.addPopupMenuListener(new PopupMenuListener() {
- @Override
- public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
- }
-
- @Override
- public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
- down.setSelected(false);
- }
-
- @Override
- public void popupMenuCanceled(PopupMenuEvent e) {
- }
- });
-
- this.add(down, BorderLayout.EAST);
- }
- }
- }
-
- static public final String CHANGE_ACTION = "change";
-
- private boolean vertical;
- private DataNode<T> node;
- private List<BreadCrumb> crumbs = new ArrayList<BreadCrumb>();
-
- public BreadCrumbsBar(final DataTree<T> tree) {
- vertical = true; // to force an update
- setVertical(false);
-
- addComponentListener(new ComponentAdapter() {
- @Override
- public void componentResized(ComponentEvent e) {
- super.componentResized(e);
- synchronized (crumbs) {
- for (BreadCrumb crumb : crumbs) {
- setCrumbSize(crumb);
- }
- }
- }
- });
-
- new SwingWorker<DataNode<T>, Void>() {
- @Override
- protected DataNode<T> doInBackground() throws Exception {
- tree.loadData();
- return tree.getRoot();
- }
-
- @Override
- protected void done() {
- try {
- node = get();
- addCrumb(node);
-
- // TODO: option?
- if (node.size() > 0) {
- setSelectedNode(node.getChildren().get(0));
- } else {
- revalidate();
- repaint();
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- }.execute();
- }
-
- public void setVertical(boolean vertical) {
- if (vertical != this.vertical) {
- synchronized (crumbs) {
- this.vertical = vertical;
-
- for (BreadCrumb crumb : crumbs) {
- this.remove(crumb);
- }
-
- if (vertical) {
- this.setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
- } else {
- this.setLayout(new WrapLayout(WrapLayout.LEADING));
- }
-
- for (BreadCrumb crumb : crumbs) {
- this.add(crumb);
- setCrumbSize(crumb);
- }
- }
-
- this.revalidate();
- this.repaint();
- }
- }
-
- public DataNode<T> getSelectedNode() {
- return node;
- }
-
- public void setSelectedNode(DataNode<T> node) {
- if (this.node == node) {
- return;
- }
-
- synchronized (crumbs) {
- // clear until common ancestor (can clear all!)
- while (this.node != null && !this.node.isParentOf(node)) {
- this.node = this.node.getParent();
- this.remove(crumbs.remove(crumbs.size() - 1));
- }
-
- // switch root if needed and possible
- if (this.node == null && node != null) {
- this.node = node.getRoot();
- addCrumb(this.node);
- }
-
- // re-create until node
- while (node != null && this.node != node) {
- DataNode<T> ancestorOrNode = node;
- for (DataNode<T> child : this.node.getChildren()) {
- if (child.isParentOf(node))
- ancestorOrNode = child;
- }
-
- this.node = ancestorOrNode;
- addCrumb(this.node);
- }
- }
-
- this.revalidate();
- this.repaint();
-
- fireActionPerformed(CHANGE_ACTION);
- }
-
- private void addCrumb(DataNode<T> node) {
- BreadCrumb crumb = new BreadCrumb(node);
- this.crumbs.add(crumb);
- setCrumbSize(crumb);
- this.add(crumb);
- }
-
- private void setCrumbSize(BreadCrumb crumb) {
- if (vertical) {
- crumb.setMaximumSize(new Dimension(this.getWidth(),
- crumb.getMinimumSize().height));
- } else {
- crumb.setMaximumSize(null);
- }
- }
-}
git://git.nikiroo.be / fanfix.git / blobdiff