*
* The MIT License (MIT)
*
- * Copyright (C) 2016 Kevin Lamonte
+ * Copyright (C) 2019 Kevin Lamonte
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
import java.io.File;
import java.util.ArrayList;
+import java.util.HashMap;
import java.util.List;
+import java.util.Map;
/**
* TDirectoryList shows the files within a directory.
*/
-public final class TDirectoryList extends TList {
+public class TDirectoryList extends TList {
+
+ // ------------------------------------------------------------------------
+ // Variables --------------------------------------------------------------
+ // ------------------------------------------------------------------------
/**
* Files in the directory.
*/
- private List<File> files;
+ private Map<String, File> files;
/**
* Root path containing files to display.
*/
private File path;
+ /**
+ * The list of filters that a file must match in order to be displayed.
+ */
+ private List<String> filters;
+
+ // ------------------------------------------------------------------------
+ // Constructors -----------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Public constructor.
+ *
+ * @param parent parent widget
+ * @param path directory path, must be a directory
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width width of text area
+ * @param height height of text area
+ */
+ public TDirectoryList(final TWidget parent, final String path, final int x,
+ final int y, final int width, final int height) {
+
+ this(parent, path, x, y, width, height, null, null, null);
+ }
+
+ /**
+ * Public constructor.
+ *
+ * @param parent parent widget
+ * @param path directory path, must be a directory
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width width of text area
+ * @param height height of text area
+ * @param action action to perform when an item is selected (enter or
+ * double-click)
+ */
+ public TDirectoryList(final TWidget parent, final String path, final int x,
+ final int y, final int width, final int height, final TAction action) {
+
+ this(parent, path, x, y, width, height, action, null, null);
+ }
+
+ /**
+ * Public constructor.
+ *
+ * @param parent parent widget
+ * @param path directory path, must be a directory
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width width of text area
+ * @param height height of text area
+ * @param action action to perform when an item is selected (enter or
+ * double-click)
+ * @param singleClickAction action to perform when an item is selected
+ * (single-click)
+ */
+ public TDirectoryList(final TWidget parent, final String path, final int x,
+ final int y, final int width, final int height, final TAction action,
+ final TAction singleClickAction) {
+
+ this(parent, path, x, y, width, height, action, singleClickAction,
+ null);
+ }
+
+ /**
+ * Public constructor.
+ *
+ * @param parent parent widget
+ * @param path directory path, must be a directory
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width width of text area
+ * @param height height of text area
+ * @param action action to perform when an item is selected (enter or
+ * double-click)
+ * @param singleClickAction action to perform when an item is selected
+ * (single-click)
+ * @param filters a list of strings that files must match to be displayed
+ */
+ public TDirectoryList(final TWidget parent, final String path, final int x,
+ final int y, final int width, final int height, final TAction action,
+ final TAction singleClickAction, final List<String> filters) {
+
+ super(parent, null, x, y, width, height, action);
+ files = new HashMap<String, File>();
+ this.filters = filters;
+ this.singleClickAction = singleClickAction;
+
+ setPath(path);
+ }
+
+ // ------------------------------------------------------------------------
+ // TList ------------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ // ------------------------------------------------------------------------
+ // TDirectoryList ---------------------------------------------------------
+ // ------------------------------------------------------------------------
+
/**
* Set the new path to display.
*
if (newFiles[i].isDirectory()) {
continue;
}
- files.add(newFiles[i]);
- newStrings.add(renderFile(files.size() - 1));
+ if (filters != null) {
+ for (String pattern: filters) {
+
+ /*
+ System.err.println("newFiles[i] " +
+ newFiles[i].getName() + " " + pattern +
+ " " + newFiles[i].getName().matches(pattern));
+ */
+
+ if (newFiles[i].getName().matches(pattern)) {
+ String key = renderFile(newFiles[i]);
+ files.put(key, newFiles[i]);
+ newStrings.add(key);
+ break;
+ }
+ }
+ } else {
+ String key = renderFile(newFiles[i]);
+ files.put(key, newFiles[i]);
+ newStrings.add(key);
+ }
}
}
setList(newStrings);
+
+ // Select the first entry
+ if (getMaxSelectedIndex() >= 0) {
+ setSelectedIndex(0);
+ }
}
/**
* @return the path
*/
public File getPath() {
- path = files.get(getSelectedIndex());
+ path = files.get(getSelected());
return path;
}
/**
* Format one of the entries for drawing on the screen.
*
- * @param index index into files
+ * @param file the File
* @return the line to draw
*/
- private String renderFile(final int index) {
- File file = files.get(index);
+ private String renderFile(final File file) {
String name = file.getName();
if (name.length() > 20) {
name = name.substring(0, 17) + "...";
return String.format("%-20s %5dk", name, (file.length() / 1024));
}
- /**
- * Public constructor.
- *
- * @param parent parent widget
- * @param path directory path, must be a directory
- * @param x column relative to parent
- * @param y row relative to parent
- * @param width width of text area
- * @param height height of text area
- */
- public TDirectoryList(final TWidget parent, final String path, final int x,
- final int y, final int width, final int height) {
-
- this(parent, path, x, y, width, height, null);
- }
-
- /**
- * Public constructor.
- *
- * @param parent parent widget
- * @param path directory path, must be a directory
- * @param x column relative to parent
- * @param y row relative to parent
- * @param width width of text area
- * @param height height of text area
- * @param action action to perform when an item is selected
- */
- public TDirectoryList(final TWidget parent, final String path, final int x,
- final int y, final int width, final int height, final TAction action) {
-
- super(parent, null, x, y, width, height, action);
- files = new ArrayList<File>();
- setPath(path);
- }
-
}