Add 'src/jexer/' from commit 'cf01c92f5809a0732409e280fb0f32f27393618d'

[fanfix.git] / src / jexer / demos / DemoTreeViewWindow.java

diff --git a/src/jexer/demos/DemoTreeViewWindow.java b/src/jexer/demos/DemoTreeViewWindow.java
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+/*
+ * Jexer - Java Text User Interface
+ *
+ * The MIT License (MIT)
+ *
+ * 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"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * @author Kevin Lamonte [kevin.lamonte@gmail.com]
+ * @version 1
+ */
+package jexer.demos;
+
+import java.io.IOException;
+import java.util.ResourceBundle;
+
+import jexer.TApplication;
+import jexer.TWidget;
+import jexer.TWindow;
+import jexer.event.TResizeEvent;
+import jexer.ttree.TDirectoryTreeItem;
+import jexer.ttree.TTreeViewWidget;
+import static jexer.TCommand.*;
+import static jexer.TKeypress.*;
+
+/**
+ * This window demonstates the TTreeView widget.
+ */
+public class DemoTreeViewWindow extends TWindow {
+
+    /**
+     * Translated strings.
+     */
+    private static final ResourceBundle i18n = ResourceBundle.getBundle(DemoTreeViewWindow.class.getName());
+
+    // ------------------------------------------------------------------------
+    // Variables --------------------------------------------------------------
+    // ------------------------------------------------------------------------
+
+    /**
+     * Hang onto my TTreeView so I can resize it with the window.
+     */
+    private TTreeViewWidget treeView;
+
+    // ------------------------------------------------------------------------
+    // Constructors -----------------------------------------------------------
+    // ------------------------------------------------------------------------
+
+    /**
+     * Public constructor.
+     *
+     * @param parent the main application
+     * @throws IOException if a java.io operation throws
+     */
+    public DemoTreeViewWindow(final TApplication parent) throws IOException {
+        super(parent, i18n.getString("windowTitle"), 0, 0, 44, 16,
+            TWindow.RESIZABLE);
+
+        // Load the treeview with "stuff"
+        treeView = addTreeViewWidget(1, 1, 40, 12);
+        new TDirectoryTreeItem(treeView, ".", true);
+
+        statusBar = newStatusBar(i18n.getString("statusBar"));
+        statusBar.addShortcutKeypress(kbF1, cmHelp,
+            i18n.getString("statusBarHelp"));
+        statusBar.addShortcutKeypress(kbF2, cmShell,
+            i18n.getString("statusBarShell"));
+        statusBar.addShortcutKeypress(kbF3, cmOpen,
+            i18n.getString("statusBarOpen"));
+        statusBar.addShortcutKeypress(kbF10, cmExit,
+            i18n.getString("statusBarExit"));
+    }
+
+    // ------------------------------------------------------------------------
+    // TWindow ----------------------------------------------------------------
+    // ------------------------------------------------------------------------
+
+    /**
+     * Handle window/screen resize events.
+     *
+     * @param resize resize event
+     */
+    @Override
+    public void onResize(final TResizeEvent resize) {
+        if (resize.getType() == TResizeEvent.Type.WIDGET) {
+            // Resize the treeView field
+            TResizeEvent treeSize = new TResizeEvent(TResizeEvent.Type.WIDGET,
+                resize.getWidth() - 4, resize.getHeight() - 4);
+            treeView.onResize(treeSize);
+            return;
+        }
+
+        // Pass to children instead
+        for (TWidget widget: getChildren()) {
+            widget.onResize(resize);
+        }
+    }
+
+}