diff options
Diffstat (limited to 'src/org/unitConverter/converterGUI/SearchBoxList.java')
-rw-r--r-- | src/org/unitConverter/converterGUI/SearchBoxList.java | 122 |
1 files changed, 66 insertions, 56 deletions
diff --git a/src/org/unitConverter/converterGUI/SearchBoxList.java b/src/org/unitConverter/converterGUI/SearchBoxList.java index 1995466..10ef589 100644 --- a/src/org/unitConverter/converterGUI/SearchBoxList.java +++ b/src/org/unitConverter/converterGUI/SearchBoxList.java @@ -36,13 +36,13 @@ import javax.swing.JTextField; * @since v0.2.0 */ final class SearchBoxList extends JPanel { - + /** * @since 2019-04-13 * @since v0.2.0 */ private static final long serialVersionUID = 6226930279415983433L; - + /** * The text to place in an empty search box. * @@ -50,7 +50,7 @@ final class SearchBoxList extends JPanel { * @since v0.2.0 */ private static final String EMPTY_TEXT = "Search..."; - + /** * The color to use for an empty foreground. * @@ -58,94 +58,92 @@ final class SearchBoxList extends JPanel { * @since v0.2.0 */ private static final Color EMPTY_FOREGROUND = new Color(192, 192, 192); - + // the components private final Collection<String> itemsToFilter; private final DelegateListModel<String> listModel; private final JTextField searchBox; private final JList<String> searchItems; - + private boolean searchBoxEmpty = true; - - // I need to do this because, for some reason, Swing is auto-focusing my search box without triggering a focus + + // I need to do this because, for some reason, Swing is auto-focusing my + // search box without triggering a focus // event. private boolean searchBoxFocused = false; - + private Predicate<String> customSearchFilter = o -> true; private final Comparator<String> defaultOrdering; private final boolean caseSensitive; - + /** * Creates the {@code SearchBoxList}. * - * @param itemsToFilter - * items to put in the list + * @param itemsToFilter items to put in the list * @since 2019-04-14 */ public SearchBoxList(final Collection<String> itemsToFilter) { this(itemsToFilter, null, false); } - + /** * Creates the {@code SearchBoxList}. * - * @param itemsToFilter - * items to put in the list - * @param defaultOrdering - * default ordering of items after filtration (null=Comparable) - * @param caseSensitive - * whether or not the filtration is case-sensitive + * @param itemsToFilter items to put in the list + * @param defaultOrdering default ordering of items after filtration + * (null=Comparable) + * @param caseSensitive whether or not the filtration is case-sensitive * * @since 2019-04-13 * @since v0.2.0 */ - public SearchBoxList(final Collection<String> itemsToFilter, final Comparator<String> defaultOrdering, + public SearchBoxList(final Collection<String> itemsToFilter, + final Comparator<String> defaultOrdering, final boolean caseSensitive) { super(new BorderLayout(), true); this.itemsToFilter = itemsToFilter; this.defaultOrdering = defaultOrdering; this.caseSensitive = caseSensitive; - + // create the components this.listModel = new DelegateListModel<>(new ArrayList<>(itemsToFilter)); this.searchItems = new JList<>(this.listModel); - + this.searchBox = new JTextField(EMPTY_TEXT); this.searchBox.setForeground(EMPTY_FOREGROUND); - + // add them to the panel this.add(this.searchBox, BorderLayout.PAGE_START); this.add(new JScrollPane(this.searchItems), BorderLayout.CENTER); - + // set up the search box this.searchBox.addFocusListener(new FocusListener() { @Override public void focusGained(final FocusEvent e) { SearchBoxList.this.searchBoxFocusGained(e); } - + @Override public void focusLost(final FocusEvent e) { SearchBoxList.this.searchBoxFocusLost(e); } }); - + this.searchBox.addCaretListener(e -> this.searchBoxTextChanged()); this.searchBoxEmpty = true; } - + /** * Adds an additional filter for searching. * - * @param filter - * filter to add. + * @param filter filter to add. * @since 2019-04-13 * @since v0.2.0 */ public void addSearchFilter(final Predicate<String> filter) { this.customSearchFilter = this.customSearchFilter.and(filter); } - + /** * Resets the search filter. * @@ -155,7 +153,7 @@ final class SearchBoxList extends JPanel { public void clearSearchFilters() { this.customSearchFilter = o -> true; } - + /** * @return this component's search box component * @since 2019-04-14 @@ -164,11 +162,11 @@ final class SearchBoxList extends JPanel { public final JTextField getSearchBox() { return this.searchBox; } - + /** - * @param searchText - * text to search for - * @return a filter that filters out that text, based on this list's case sensitive setting + * @param searchText text to search for + * @return a filter that filters out that text, based on this list's case + * sensitive setting * @since 2019-04-14 * @since v0.2.0 */ @@ -176,9 +174,10 @@ final class SearchBoxList extends JPanel { if (this.caseSensitive) return string -> string.contains(searchText); else - return string -> string.toLowerCase().contains(searchText.toLowerCase()); + return string -> string.toLowerCase() + .contains(searchText.toLowerCase()); } - + /** * @return this component's list component * @since 2019-04-14 @@ -187,7 +186,7 @@ final class SearchBoxList extends JPanel { public final JList<String> getSearchList() { return this.searchItems; } - + /** * @return index selected in item list * @since 2019-04-14 @@ -196,7 +195,7 @@ final class SearchBoxList extends JPanel { public int getSelectedIndex() { return this.searchItems.getSelectedIndex(); } - + /** * @return value selected in item list * @since 2019-04-13 @@ -205,7 +204,7 @@ final class SearchBoxList extends JPanel { public String getSelectedValue() { return this.searchItems.getSelectedValue(); } - + /** * Re-applies the filters. * @@ -213,29 +212,30 @@ final class SearchBoxList extends JPanel { * @since v0.2.0 */ public void reapplyFilter() { - final String searchText = this.searchBoxEmpty ? "" : this.searchBox.getText(); - final FilterComparator comparator = new FilterComparator(searchText, this.defaultOrdering, this.caseSensitive); + final String searchText = this.searchBoxEmpty ? "" + : this.searchBox.getText(); + final FilterComparator comparator = new FilterComparator(searchText, + this.defaultOrdering, this.caseSensitive); final Predicate<String> searchFilter = this.getSearchFilter(searchText); - + this.listModel.clear(); this.itemsToFilter.forEach(string -> { if (searchFilter.test(string)) { this.listModel.add(string); } }); - + // applies the custom filters this.listModel.removeIf(this.customSearchFilter.negate()); - + // sorts the remaining items this.listModel.sort(comparator); } - + /** * Runs whenever the search box gains focus. * - * @param e - * focus event + * @param e focus event * @since 2019-04-13 * @since v0.2.0 */ @@ -246,12 +246,11 @@ final class SearchBoxList extends JPanel { this.searchBox.setForeground(Color.BLACK); } } - + /** * Runs whenever the search box loses focus. * - * @param e - * focus event + * @param e focus event * @since 2019-04-13 * @since v0.2.0 */ @@ -262,7 +261,7 @@ final class SearchBoxList extends JPanel { this.searchBox.setForeground(EMPTY_FOREGROUND); } } - + /** * Runs whenever the text in the search box is changed. * <p> @@ -276,10 +275,12 @@ final class SearchBoxList extends JPanel { if (this.searchBoxFocused) { this.searchBoxEmpty = this.searchBox.getText().equals(""); } - final String searchText = this.searchBoxEmpty ? "" : this.searchBox.getText(); - final FilterComparator comparator = new FilterComparator(searchText, this.defaultOrdering, this.caseSensitive); + final String searchText = this.searchBoxEmpty ? "" + : this.searchBox.getText(); + final FilterComparator comparator = new FilterComparator(searchText, + this.defaultOrdering, this.caseSensitive); final Predicate<String> searchFilter = this.getSearchFilter(searchText); - + // initialize list with items that match the filter then sort this.listModel.clear(); this.itemsToFilter.forEach(string -> { @@ -287,11 +288,20 @@ final class SearchBoxList extends JPanel { this.listModel.add(string); } }); - + // applies the custom filters this.listModel.removeIf(this.customSearchFilter.negate()); - + // sorts the remaining items this.listModel.sort(comparator); } + + /** + * Manually updates the search box's item list. + * + * @since 2020-08-27 + */ + public void updateList() { + this.searchBoxTextChanged(); + } } |