Java Utililty Methods JList

List of utility methods to do JList

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Description

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

Method

voidapplyDefaultProperties(final JList comp)
Sets default background and foreground color as well as a default font for the specified component. 
if (comp == null) {
    return;
applyProperties(comp, "List.background", 
        "List.foreground", 
        "List.font");
voidclearList(JList list)
fillList 
setListModel(generateListModel(), list);
voidensureCustomBackgroundStored(JList comp)
ensure Custom Background Stored 
if (getStoredBackground(comp) != null)
    return;
Color background = comp.getBackground();
if ((background == null) || (background instanceof UIResource) || (background == WARNING_BACKGROUND)
        || (background == ERROR_BACKGROUND))
    return;
comp.putClientProperty(STORED_BACKGROUND_KEY, background);
voidensureRangeIsVisible(JList list, int top, int bottom)
ensure Range Is Visible 
int size = list.getModel().getSize();
if (top < 0) {
    top = 0;
if (bottom >= size) {
    bottom = size - 1;
Rectangle cellBounds = list.getCellBounds(top, bottom);
...
voidfilterDataList(JList jList, List dataList, String text)
filter Data List 
jList.setListData(new Object[] {});
List newList = new ArrayList();
dataList.stream().filter((ob) -> (ob.toString().toLowerCase().startsWith(text.toLowerCase())))
        .forEach((ob) -> {
            newList.add(ob);
        });
jList.setListData(newList.toArray());
ColorgetStoredBackground(JList comp)
get Stored Background 
return (Color) comp.getClientProperty(STORED_BACKGROUND_KEY);
intgetVisibleRowCount(JList list)
get Visible Row Count 
return list.getLastVisibleIndex() - list.getFirstVisibleIndex() + 1;
intindexList(JList list, Object object)
index List 
ListModel model = list.getModel();
if (model == null) {
    model = new DefaultListModel();
    list.setModel(model);
;
if (model instanceof DefaultListModel) {
    DefaultListModel listModel = (DefaultListModel) model;
...
intindexOf(JList jList, Object obj)
index Of 
ListModel model = jList.getModel();
int i;
for (i = model.getSize() - 1; i >= 0; i--)
    if (model.getElementAt(i) == obj)
        break;
return i;
booleanisDoubleClick(MouseEvent evt, JList lst, JButton btn)
Enable the associated button if single click. 
if (lst.getMinSelectionIndex() >= 0) {
    switch (evt.getClickCount()) {
    case 1:
        btn.setEnabled(true);
        break;
    case 2:
        if (btn.isEnabled()) {
            return true;
...