scilab/modules/xcos/src/java/org/scilab/modules/xcos/palette/actions/SearchAction.java

   1 /*
   2  * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
   3  * Copyright (C) 2015 - Marcos CARDINOT
   4  *
   5  * This file must be used under the terms of the CeCILL.
   6  * This source file is licensed as described in the file COPYING, which
   7  * you should have received as part of this distribution.  The terms
   8  * are also available at
   9  * http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
  10  *
  11  */
  12
  13 package org.scilab.modules.xcos.palette.actions;
  14
  15 import java.awt.Dimension;
  16 import java.awt.FlowLayout;
  17 import java.awt.event.ActionEvent;
  18 import java.awt.event.KeyAdapter;
  19 import java.awt.event.KeyEvent;
  20 import java.lang.reflect.InvocationTargetException;
  21
  22 import javax.swing.ComboBoxEditor;
  23 import javax.swing.ImageIcon;
  24 import javax.swing.JButton;
  25 import javax.swing.JComboBox;
  26 import javax.swing.JPanel;
  27 import javax.swing.JTextField;
  28 import javax.swing.border.EmptyBorder;
  29 import javax.swing.plaf.basic.BasicComboBoxEditor;
  30 import javax.swing.plaf.metal.MetalComboBoxUI;
  31
  32 import org.scilab.modules.commons.gui.FindIconHelper;
  33 import org.scilab.modules.commons.gui.ScilabLAF;
  34 import org.scilab.modules.gui.events.callback.CommonCallBack;
  35 import org.scilab.modules.xcos.palette.view.PaletteManagerView;
  36 import org.scilab.modules.xcos.utils.XcosMessages;
  37
  38 /**
  39  * Search Palettes Action
  40  * @author Marcos CARDINOT <mcardinot@gmail.com>
  41  */
  42 public class SearchAction extends CommonCallBack {
  43
  44     private static final long serialVersionUID = 1L;
  45
  46     private static final String LABEL_SEARCH = XcosMessages.SEARCH;
  47     private static final String ICON_SEARCH = FindIconHelper.findIcon("system-search");
  48
  49     private static JButton btnSearch;
  50     private static JComboBox txtSearch;
  51     private static JPanel searchBar;
  52
  53     /**
  54      * Constructor
  55      */
  56     public SearchAction() {
  57         super("");
  58     }
  59
  60     /**
  61      * Create the search bar
  62      * @return JPanel
  63      */
  64     public static JPanel createSearchBar() {
  65         searchBar = new JPanel();
  66         searchBar.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
  67
  68         txtSearch = new JComboBox();
  69         txtSearch.setUI(new SearchUI());
  70         searchBar.add(txtSearch);
  71
  72         btnSearch = new JButton();
  73         ScilabLAF.setDefaultProperties(btnSearch);
  74         btnSearch.setIcon(new ImageIcon(ICON_SEARCH));
  75         btnSearch.setToolTipText(LABEL_SEARCH);
  76         btnSearch.addActionListener(getCallBack());
  77         btnSearch.setFocusable(true);
  78         btnSearch.setBorderPainted(false);
  79         searchBar.add(btnSearch);
  80
  81         return searchBar;
  82     }
  83
  84     /**
  85      * Create a new class instance
  86      * @return the instance
  87      */
  88     private static CommonCallBack getCallBack() {
  89         CommonCallBack callback = null;
  90         try {
  91             callback = SearchAction.class.getConstructor().newInstance();
  92         } catch (IllegalArgumentException e) {
  93             e.printStackTrace();
  94         } catch (SecurityException e) {
  95             e.printStackTrace();
  96         } catch (InstantiationException e) {
  97             e.printStackTrace();
  98         } catch (IllegalAccessException e) {
  99             e.printStackTrace();
 100         } catch (InvocationTargetException e) {
 101             e.printStackTrace();
 102         } catch (NoSuchMethodException e) {
 103             e.printStackTrace();
 104         }
 105         return callback;
 106     }
 107
 108     /**
 109      * Action
 110      * @param e ActionEvent
 111      */
 112     @Override
 113     public void actionPerformed(ActionEvent e) {
 114         search();
 115     }
 116
 117     @Override
 118     public void callBack() {
 119     }
 120
 121     /**
 122      * Search
 123      */
 124     protected static void search() {
 125         String query = txtSearch.getSelectedItem().toString();
 126         if (query.isEmpty()) {
 127             return;
 128         }
 129
 130         PaletteManagerView.get().getSearchManager().search(query);
 131         Object lastItem = txtSearch.getItemAt(0);
 132         if (lastItem == null || !lastItem.toString().equals(query)) {
 133             txtSearch.insertItemAt(query, 0); // insert on top
 134         }
 135     }
 136 }
 137
 138 /**
 139  * Implements a comboboxui
 140  * @author Marcos CARDINOT <mcardinot@gmail.com>
 141  */
 142 class SearchUI extends MetalComboBoxUI {
 143
 144     /**
 145      * Default constructor
 146      */
 147     public SearchUI() {
 148         super();
 149     }
 150
 151     /**
 152      * Hides the arrow button
 153      * @return JButton
 154      */
 155     @Override
 156     @SuppressWarnings("serial")
 157     protected JButton createArrowButton() {
 158         JButton btn = new JButton() {
 159             @Override
 160             public int getWidth() {
 161                 return 0;
 162             }
 163         };
 164         btn.setVisible(false);
 165         return btn;
 166     }
 167
 168     /**
 169      * Create the box editor
 170      * @return ComboBoxEditor
 171      */
 172     @Override
 173     protected ComboBoxEditor createEditor() {
 174         BasicComboBoxEditor editor = (BasicComboBoxEditor) super.createEditor();
 175         JTextField txtField = (JTextField) editor.getEditorComponent();
 176
 177         comboBox.setEditable(true);
 178
 179         final int height = txtField.getPreferredSize().height - 2;
 180         final int width = 150;
 181         Dimension dim = new Dimension(width, height);
 182         comboBox.setPreferredSize(dim);
 183         txtField.setPreferredSize(dim);
 184
 185         final int tb = 0;
 186         final int lr = 5;
 187         txtField.setBorder(new EmptyBorder(tb, lr, tb, lr));
 188
 189         txtField.addKeyListener(new KeyAdapter() {
 190             @Override
 191             public void keyReleased(KeyEvent e) {
 192                 if (e.getKeyCode() == KeyEvent.VK_ENTER) {
 193                     SearchAction.search();
 194                 } else if (e.getKeyCode() != KeyEvent.VK_UP
 195                            && e.getKeyCode() != KeyEvent.VK_DOWN) {
 196                     comboBox.hidePopup();
 197                 }
 198             }
 199         });
 200         return editor;
 201     }
 202 }