/*
* Handles the checkbox selection process. Uses the bounds property of the
* check box within the selected cell to determine whether the checkbox should
* be selected or not
**/
public void mouseReleased(MouseEvent e) {
if (list == null
|| list.getSelectedIndex() == -1
|| !isEnabled(list.locationToIndex(e.getPoint()))) {
return;
}
int[] indices = list.getSelectedIndices();
// get the current relative position of the check box
// rect = box.getBounds(rect);
for (int i = 0; i < indices.length; i++) {
// get the current relative position of the check box
int loc = list.locationToIndex(e.getPoint());
rect = list.getCellBounds(loc, loc);
// ensure the point clicked in within the checkBox
/*if(e.getX() < (rect.getX() + 20) ) {
selState[indices[i]] = !selState[indices[i]];
setSelStateList(selState);
} */
}
list.revalidate();
list.repaint();
}
public void selectField(String fieldName) {
int idx = listModel.indexOf(fieldName);
if (idx >= 0) list.setSelectedIndex(idx);
// Make sure it is visible:
JViewport viewport = sp.getViewport();
viewport.scrollRectToVisible(list.getCellBounds(idx, idx));
}
public void listClicked(MouseEvent e) {
Point p = new Point(e.getX(), e.getY());
int index = list.locationToIndex(p);
Rectangle inside = list.getCellBounds(index, index);
if (inside.contains(p) && (!newSelection)) {
list.clearSelection();
}
newSelection = false;
}
private void hovered(final MouseEvent e, final boolean entered) {
hoveredIndex = myList.locationToIndex(e.getPoint());
if (!entered
|| hoveredIndex != -1
&& !myList.getCellBounds(hoveredIndex, hoveredIndex).contains(e.getPoint()))
hoveredIndex = -1;
myList.repaint();
}
@Override
public void mousePressed(MouseEvent e) {
JList list = (JList) e.getComponent();
Point pt = e.getPoint();
int index = list.locationToIndex(pt);
if (index >= 0) {
JButton button = getButton(list, pt, index);
if (Objects.nonNull(button)) {
listRepaint(list, list.getCellBounds(index, index));
}
}
}
@Override
public void mouseMoved(MouseEvent e) {
JList list = (JList) e.getComponent();
Point pt = e.getPoint();
int index = list.locationToIndex(pt);
if (!list.getCellBounds(index, index).contains(pt)) {
if (prevIndex >= 0) {
Rectangle r = list.getCellBounds(prevIndex, prevIndex);
listRepaint(list, r);
}
index = -1;
prevButton = null;
return;
}
if (index >= 0) {
JButton button = getButton(list, pt, index);
ButtonsRenderer renderer = (ButtonsRenderer) list.getCellRenderer();
if (Objects.nonNull(button)) {
renderer.rolloverIndex = index;
if (!button.equals(prevButton)) {
Rectangle r = list.getCellBounds(prevIndex, index);
listRepaint(list, r);
}
} else {
renderer.rolloverIndex = -1;
Rectangle r = null;
if (prevIndex == index) {
if (prevIndex >= 0 && Objects.nonNull(prevButton)) {
r = list.getCellBounds(prevIndex, prevIndex);
}
} else {
r = list.getCellBounds(index, index);
}
listRepaint(list, r);
prevIndex = -1;
}
prevButton = button;
}
prevIndex = index;
}
private static JButton getButton(JList<String> list, Point pt, int index) {
Component c =
list.getCellRenderer().getListCellRendererComponent(list, "", index, false, false);
Rectangle r = list.getCellBounds(index, index);
c.setBounds(r);
// c.doLayout(); //may be needed for mone LayoutManager
pt.translate(-r.x, -r.y);
Component b = SwingUtilities.getDeepestComponentAt(c, pt.x, pt.y);
if (b instanceof JButton) {
return (JButton) b;
} else {
return null;
}
}
/** Adapts the selection. */
private void adaptSelection() {
int[] indexes = list.getSelectedIndices();
if (indexes.length > 1) {
boolean selected = false;
for (int i = 0; i < indexes.length; i++) {
int index = indexes[i];
IElementNode elementNode = (IElementNode) list.getModel().getElementAt(index);
if (i == 0) {
selected = elementNode.isSelected();
}
elementNode.setSelected(selected);
Rectangle rectangle = list.getCellBounds(index, index);
list.repaint(rectangle);
}
} else {
int index = list.getSelectedIndex();
if (index > -1) {
IElementNode elementNode = (IElementNode) list.getModel().getElementAt(index);
elementNode.setSelected(!elementNode.isSelected());
Rectangle rectangle = list.getCellBounds(index, index);
list.repaint(rectangle);
}
}
}
@Override
public void mousePressed(MouseEvent e) {
// JList list = (JList) e.getComponent();
Point pt = e.getPoint();
int index = list.locationToIndex(pt);
if (index >= 0) {
JButton button = getButton(list, pt, index);
if (Objects.nonNull(button)) {
ButtonsRenderer renderer = (ButtonsRenderer) list.getCellRenderer();
renderer.pressedIndex = index;
renderer.button = button;
listRepaint(list, list.getCellBounds(index, index));
}
}
}
// PENDING JW: this isn't aware of sorting/filtering - fix!
private static boolean pointIsInActualBounds(JList list, int index, Point point) {
ListCellRenderer renderer = list.getCellRenderer();
ListModel model = list.getModel();
Object element = model.getElementAt(index);
Component comp = renderer.getListCellRendererComponent(list, element, index, false, false);
Dimension prefSize = comp.getPreferredSize();
Rectangle cellBounds = list.getCellBounds(index, index);
if (!(comp.getComponentOrientation().isLeftToRight())) {
cellBounds.x += cellBounds.width - prefSize.width;
}
cellBounds.width = prefSize.width;
return cellBounds.contains(point);
}
@NotNull
@Override
public RelativePoint guessBestPopupLocation(@NotNull final JComponent component) {
Point popupMenuPoint = null;
final Rectangle visibleRect = component.getVisibleRect();
if (component instanceof JList) { // JList
JList list = (JList) component;
int firstVisibleIndex = list.getFirstVisibleIndex();
int lastVisibleIndex = list.getLastVisibleIndex();
int[] selectedIndices = list.getSelectedIndices();
for (int index : selectedIndices) {
if (firstVisibleIndex <= index && index <= lastVisibleIndex) {
Rectangle cellBounds = list.getCellBounds(index, index);
popupMenuPoint =
new Point(visibleRect.x + visibleRect.width / 4, cellBounds.y + cellBounds.height);
break;
}
}
} else if (component instanceof JTree) { // JTree
JTree tree = (JTree) component;
int[] selectionRows = tree.getSelectionRows();
if (selectionRows != null) {
Arrays.sort(selectionRows);
for (int i = 0; i < selectionRows.length; i++) {
int row = selectionRows[i];
Rectangle rowBounds = tree.getRowBounds(row);
if (visibleRect.contains(rowBounds)) {
popupMenuPoint = new Point(rowBounds.x + 2, rowBounds.y + rowBounds.height - 1);
break;
}
}
if (popupMenuPoint == null) { // All selected rows are out of visible rect
Point visibleCenter =
new Point(
visibleRect.x + visibleRect.width / 2, visibleRect.y + visibleRect.height / 2);
double minDistance = Double.POSITIVE_INFINITY;
int bestRow = -1;
Point rowCenter;
double distance;
for (int i = 0; i < selectionRows.length; i++) {
int row = selectionRows[i];
Rectangle rowBounds = tree.getRowBounds(row);
rowCenter =
new Point(rowBounds.x + rowBounds.width / 2, rowBounds.y + rowBounds.height / 2);
distance = visibleCenter.distance(rowCenter);
if (minDistance > distance) {
minDistance = distance;
bestRow = row;
}
}
if (bestRow != -1) {
Rectangle rowBounds = tree.getRowBounds(bestRow);
tree.scrollRectToVisible(
new Rectangle(
rowBounds.x,
rowBounds.y,
Math.min(visibleRect.width, rowBounds.width),
rowBounds.height));
popupMenuPoint = new Point(rowBounds.x + 2, rowBounds.y + rowBounds.height - 1);
}
}
}
} else if (component instanceof JTable) {
JTable table = (JTable) component;
int column = table.getColumnModel().getSelectionModel().getLeadSelectionIndex();
int row =
Math.max(
table.getSelectionModel().getLeadSelectionIndex(),
table.getSelectionModel().getAnchorSelectionIndex());
Rectangle rect = table.getCellRect(row, column, false);
if (!visibleRect.intersects(rect)) {
table.scrollRectToVisible(rect);
}
popupMenuPoint = new Point(rect.x, rect.y + rect.height);
} else if (component instanceof PopupOwner) {
popupMenuPoint = ((PopupOwner) component).getBestPopupPosition();
}
if (popupMenuPoint == null) {
popupMenuPoint =
new Point(visibleRect.x + visibleRect.width / 2, visibleRect.y + visibleRect.height / 2);
}
return new RelativePoint(component, popupMenuPoint);
}
private void ensureSelectedOnTop(int index) {
// a hack to make selected iteam apear up in list TODO rewrite hack?
Rectangle cellBounds = list.getCellBounds(index, list.getModel().getSize() - 1);
list.scrollRectToVisible(cellBounds);
}
