src/jexer/demos/DemoTreeViewWindow.java

   1 /*
   2  * Jexer - Java Text User Interface
   3  *
   4  * The MIT License (MIT)
   5  *
   6  * Copyright (C) 2019 Kevin Lamonte
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included in
  16  * all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  21  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  24  * DEALINGS IN THE SOFTWARE.
  25  *
  26  * @author Kevin Lamonte [kevin.lamonte@gmail.com]
  27  * @version 1
  28  */
  29 package jexer.demos;
  30
  31 import java.io.IOException;
  32 import java.util.ResourceBundle;
  33
  34 import jexer.TApplication;
  35 import jexer.TWidget;
  36 import jexer.TWindow;
  37 import jexer.event.TResizeEvent;
  38 import jexer.ttree.TDirectoryTreeItem;
  39 import jexer.ttree.TTreeViewWidget;
  40 import static jexer.TCommand.*;
  41 import static jexer.TKeypress.*;
  42
  43 /**
  44  * This window demonstates the TTreeView widget.
  45  */
  46 public class DemoTreeViewWindow extends TWindow {
  47
  48     /**
  49      * Translated strings.
  50      */
  51     private static final ResourceBundle i18n = ResourceBundle.getBundle(DemoTreeViewWindow.class.getName());
  52
  53     // ------------------------------------------------------------------------
  54     // Variables --------------------------------------------------------------
  55     // ------------------------------------------------------------------------
  56
  57     /**
  58      * Hang onto my TTreeView so I can resize it with the window.
  59      */
  60     private TTreeViewWidget treeView;
  61
  62     // ------------------------------------------------------------------------
  63     // Constructors -----------------------------------------------------------
  64     // ------------------------------------------------------------------------
  65
  66     /**
  67      * Public constructor.
  68      *
  69      * @param parent the main application
  70      * @throws IOException if a java.io operation throws
  71      */
  72     public DemoTreeViewWindow(final TApplication parent) throws IOException {
  73         super(parent, i18n.getString("windowTitle"), 0, 0, 44, 16,
  74             TWindow.RESIZABLE);
  75
  76         // Load the treeview with "stuff"
  77         treeView = addTreeViewWidget(1, 1, 40, 12);
  78         new TDirectoryTreeItem(treeView, ".", true);
  79
  80         statusBar = newStatusBar(i18n.getString("statusBar"));
  81         statusBar.addShortcutKeypress(kbF1, cmHelp,
  82             i18n.getString("statusBarHelp"));
  83         statusBar.addShortcutKeypress(kbF2, cmShell,
  84             i18n.getString("statusBarShell"));
  85         statusBar.addShortcutKeypress(kbF3, cmOpen,
  86             i18n.getString("statusBarOpen"));
  87         statusBar.addShortcutKeypress(kbF10, cmExit,
  88             i18n.getString("statusBarExit"));
  89     }
  90
  91     // ------------------------------------------------------------------------
  92     // TWindow ----------------------------------------------------------------
  93     // ------------------------------------------------------------------------
  94
  95     /**
  96      * Handle window/screen resize events.
  97      *
  98      * @param resize resize event
  99      */
 100     @Override
 101     public void onResize(final TResizeEvent resize) {
 102         if (resize.getType() == TResizeEvent.Type.WIDGET) {
 103             // Resize the treeView field
 104             TResizeEvent treeSize = new TResizeEvent(TResizeEvent.Type.WIDGET,
 105                 resize.getWidth() - 4, resize.getHeight() - 4);
 106             treeView.onResize(treeSize);
 107             return;
 108         }
 109
 110         // Pass to children instead
 111         for (TWidget widget: getChildren()) {
 112             widget.onResize(resize);
 113         }
 114     }
 115
 116 }