public void replaceItem(String newValue, int index) {
toolkit.lockAWT();
try {
items.set(index, newValue);
updatePrefWidth();
doRepaint();
} catch (IndexOutOfBoundsException e) {
throw new ArrayIndexOutOfBoundsException(e.getMessage());
} finally {
toolkit.unlockAWT();
}
}
public void removeAll() {
toolkit.lockAWT();
try {
items.clear();
selection.clear();
currentIndex = 0;
scrollable.setLocation(new Point());
doRepaint();
} finally {
toolkit.unlockAWT();
}
}
public void deselect(int index) {
toolkit.lockAWT();
try {
int oldFocusedIdx = currentIndex;
currentIndex = index;
selection.remove(new Integer(index));
// repaint only deselected item's Rectangle &
// previously "focused" item's Rectangle
doRepaint(getMinRect(index, oldFocusedIdx));
} finally {
toolkit.unlockAWT();
}
}
public void add(String item, int index) {
toolkit.lockAWT();
try {
String str = (item != null ? item : ""); // $NON-NLS-1$
int pos = index;
int size = items.size();
if ((pos < 0) || (pos > size)) {
pos = size;
}
items.add(pos, str);
updatePrefWidth();
doRepaint();
} finally {
toolkit.unlockAWT();
}
}
public void setMultipleMode(boolean multipleMode) {
toolkit.lockAWT();
try {
if (!multipleMode && (this.multipleMode != multipleMode)) {
selection.clear();
int curIdx = getCurrentIndex();
if (curIdx >= 0) {
selection.add(new Integer(curIdx));
}
}
this.multipleMode = multipleMode;
doRepaint();
} finally {
toolkit.unlockAWT();
}
}
public void select(int index) {
toolkit.lockAWT();
try {
// if an item was already selected -
// do nothing
if (isIndexSelected(index)) {
return;
}
if (!multipleMode && (selection.size() == 1)) {
deselect(getSelectedIndex());
}
selection.add(new Integer(index));
// repaint only item's rectangle & old "focused" item's rect
doRepaint(getMinRect(index, currentIndex));
currentIndex = index;
} finally {
toolkit.unlockAWT();
}
}
public void remove(int position) {
toolkit.lockAWT();
try {
selection.remove(new Integer(position));
items.remove(position);
// decrease all selected indices greater than position
// by 1, because items list is shifted to the left
for (int i = 0; i < selection.size(); i++) {
Integer idx = selection.get(i);
int val = idx.intValue();
if (val > position) {
selection.set(i, new Integer(val - 1));
}
}
updatePrefWidth();
doRepaint();
} catch (IndexOutOfBoundsException e) {
throw new ArrayIndexOutOfBoundsException(e.getMessage());
} finally {
toolkit.unlockAWT();
}
}
public void makeVisible(int index) {
toolkit.lockAWT();
try {
visibleIndex = index;
if (!isDisplayable() || !isIdxValid(index)) {
return;
}
// scroll if necessary
Rectangle itemRect = getItemBounds(index);
Rectangle clientRect = getClient();
int dy = itemRect.y - clientRect.y;
if (dy < 0) {
stateController.updateAdjValue(vAdjustable, dy);
}
dy = itemRect.y + itemRect.height - (clientRect.y + clientRect.height);
if (dy > 0) {
stateController.updateAdjValue(vAdjustable, dy);
}
doRepaint(getMinRect(currentIndex, visibleIndex));
currentIndex = visibleIndex;
} finally {
toolkit.unlockAWT();
}
}
private void doRepaint() {
stateController.layoutScrollbars();
doRepaint(new Rectangle(new Point(), getSize()));
}