From 54b9f00faba367e1ef325c9d0bc75a848fadb906 Mon Sep 17 00:00:00 2001
From: Adrien Hopkins <adrien.p.hopkins@gmail.com>
Date: Sun, 14 Apr 2019 15:39:38 -0400
Subject: The unit and prefix viewers now use SearchBoxList.

---
 .../unitConverter/converterGUI/SearchBoxList.java  | 77 +++++++++++++++++++---
 1 file changed, 67 insertions(+), 10 deletions(-)

(limited to 'src/org/unitConverter/converterGUI/SearchBoxList.java')

diff --git a/src/org/unitConverter/converterGUI/SearchBoxList.java b/src/org/unitConverter/converterGUI/SearchBoxList.java
index 7d3b748..35cc347 100644
--- a/src/org/unitConverter/converterGUI/SearchBoxList.java
+++ b/src/org/unitConverter/converterGUI/SearchBoxList.java
@@ -22,6 +22,7 @@ import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Comparator;
 import java.util.function.Predicate;
 
 import javax.swing.JList;
@@ -61,16 +62,25 @@ final class SearchBoxList extends JPanel {
 	// event.
 	private boolean searchBoxFocused = false;
 
-	private Predicate<String> searchFilter = o -> true;
+	private Predicate<String> customSearchFilter = o -> true;
+	private final Comparator<String> defaultOrdering;
+	private final boolean caseSensitive;
+
+	public SearchBoxList(final Collection<String> itemsToFilter) {
+		this(itemsToFilter, null, false);
+	}
 
 	/**
 	 * Creates the {@code SearchBoxList}.
 	 * 
 	 * @since 2019-04-13
 	 */
-	public SearchBoxList(final Collection<String> itemsToFilter) {
+	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));
@@ -108,7 +118,7 @@ final class SearchBoxList extends JPanel {
 	 * @since 2019-04-13
 	 */
 	public void addSearchFilter(final Predicate<String> filter) {
-		this.searchFilter = this.searchFilter.and(filter);
+		this.customSearchFilter = this.customSearchFilter.and(filter);
 	}
 
 	/**
@@ -117,7 +127,44 @@ final class SearchBoxList extends JPanel {
 	 * @since 2019-04-13
 	 */
 	public void clearSearchFilters() {
-		this.searchFilter = o -> true;
+		this.customSearchFilter = o -> true;
+	}
+
+	/**
+	 * @return this component's search box component
+	 * @since 2019-04-14
+	 */
+	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
+	 * @since 2019-04-14
+	 */
+	private Predicate<String> getSearchFilter(final String searchText) {
+		if (this.caseSensitive)
+			return string -> string.contains(searchText);
+		else
+			return string -> string.toLowerCase().contains(searchText.toLowerCase());
+	}
+
+	/**
+	 * @return this component's list component
+	 * @since 2019-04-14
+	 */
+	public final JList<String> getSearchList() {
+		return this.searchItems;
+	}
+
+	/**
+	 * @return index selected in item list
+	 * @since 2019-04-14
+	 */
+	public int getSelectedIndex() {
+		return this.searchItems.getSelectedIndex();
 	}
 
 	/**
@@ -135,17 +182,18 @@ final class SearchBoxList extends JPanel {
 	 */
 	public void reapplyFilter() {
 		final String searchText = this.searchBoxEmpty ? "" : this.searchBox.getText();
-		final FilterComparator comparator = new FilterComparator(searchText);
+		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 (string.toLowerCase().contains(searchText.toLowerCase())) {
+			if (searchFilter.test(string)) {
 				this.listModel.add(string);
 			}
 		});
 
 		// applies the custom filters
-		this.listModel.removeIf(this.searchFilter.negate());
+		this.listModel.removeIf(this.customSearchFilter.negate());
 
 		// sorts the remaining items
 		this.listModel.sort(comparator);
@@ -181,23 +229,32 @@ final class SearchBoxList extends JPanel {
 		}
 	}
 
+	/**
+	 * Runs whenever the text in the search box is changed.
+	 * <p>
+	 * Reapplies the search filter, and custom filters.
+	 * </p>
+	 * 
+	 * @since 2019-04-14
+	 */
 	private void searchBoxTextChanged() {
 		if (this.searchBoxFocused) {
 			this.searchBoxEmpty = this.searchBox.getText().equals("");
 		}
 		final String searchText = this.searchBoxEmpty ? "" : this.searchBox.getText();
-		final FilterComparator comparator = new FilterComparator(searchText);
+		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 -> {
-			if (string.toLowerCase().contains(searchText.toLowerCase())) {
+			if (searchFilter.test(string)) {
 				this.listModel.add(string);
 			}
 		});
 
 		// applies the custom filters
-		this.listModel.removeIf(this.searchFilter.negate());
+		this.listModel.removeIf(this.customSearchFilter.negate());
 
 		// sorts the remaining items
 		this.listModel.sort(comparator);
-- 
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