source: trunk/src/org/expeditee/items/widgets/SampleWidget1.java@ 1191

/**
 *    SampleWidget1.java
 *    Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation, either version 3 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.expeditee.items.widgets;

import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import javax.swing.InputVerifier;
import javax.swing.JComboBox;
import javax.swing.JComponent;

import org.expeditee.items.Text;

public class SampleWidget1 extends DataFrameWidget {

        private static final String[] STRINGS = new String[] { "dog", "fish", "cat", "pig" };
        //private static final String[] STRINGS = new String[] { "1", "2", "3", "4", "1", "2", "3", "4", "1", "2", "3", "4", "1", "2", "3", "4" };
        private JComboBox<String> cmboOptions;

        public SampleWidget1(Text source, String[] args) {
                super(source,  new JComboBox<String>(STRINGS), 200, 200, 50, 50);
                cmboOptions = (JComboBox<String>) _swingComponent;
                final DisplaySelection listener = new DisplaySelection();
                cmboOptions.addActionListener(listener);
                cmboOptions.addItemListener(listener);
                cmboOptions.addFocusListener(listener);
                cmboOptions.setInputVerifier(listener);
                for (Component c : cmboOptions.getComponents()) {
                        c.setFocusable(true);
                }
        }
                
        private void printParents(final java.awt.Component component) {
                if(component.getParent() != null) {
                        printParents(component.getParent());
                        System.err.println("Component: " + component);
                } else {
                        System.err.println("Component: " + component);
                }
        }

        private final class DisplaySelection extends InputVerifier implements ActionListener, ItemListener, FocusListener {
                @Override
                public void actionPerformed(final ActionEvent e) {
                        System.err.println("Selected Item: " + cmboOptions.getSelectedItem());
                }

                @Override
                public void itemStateChanged(final ItemEvent e) {
                        if(e.getStateChange() == ItemEvent.SELECTED) {
                                //System.err.println("Combobox Selected");
                                //System.err.println("SampleWidget1::main component children count: " + cmboOptions.getComponents().length);
                        } else if (e.getStateChange() == ItemEvent.DESELECTED) {
                                //System.err.println("Combobox Lost Selection");
                                //System.err.println("SampleWidget1::main component children count: " + cmboOptions.getComponents().length);
                        } else {
                                //System.err.println("Unexpected Combobox e.getStateChange(): " + e.getStateChange());
                        }
                }

                @Override
                public void focusGained(FocusEvent e) {
                        //System.err.println("Combobox focus gained");
                        //System.err.println("Combobox popup visible: " + cmboOptions.isPopupVisible());
                        //System.err.println("Combobox popup object: " + cmboOptions.getComponentPopupMenu());
                }

                @Override
                public void focusLost(FocusEvent e) {
                        //System.err.println("Combobox focus lost");
                }

                @Override
                public boolean verify(JComponent input) {
                        return true;
                        //return !cmboOptions.isPopupVisible();
                }
        }

        @Override
        protected String[] getArgs() {
                String[] stateArgs = new String[1];
                stateArgs[0] = Integer.toString(cmboOptions.getSelectedIndex());
                return stateArgs;
        }

        /** TODO: REVISE
        @Override
        public void refresh() {
                super.refresh();
                Frame frame = getDataFrame();
                if(frame != null) {
                        _combo.removeAllItems();
                        for(Text text: frame.getBodyTextItems(false)) {
                                _combo.addItem(text.getText());
                        }
                        _combo.setSelectedIndex(0);
                }
        }
        */

}