Source code

001/*****************************************************************************
002 * Copyright by The HDF Group.                                               *
003 * Copyright by the Board of Trustees of the University of Illinois.         *
004 * All rights reserved.                                                      *
005 *                                                                           *
006 * This file is part of the HDF Java Products distribution.                  *
007 * The full copyright notice, including terms governing use, modification,   *
008 * and redistribution, is contained in the file COPYING.                     *
009 * COPYING can be found at the root of the source code distribution tree.    *
010 * If you do not have access to this file, you may request a copy from       *
011 * help@hdfgroup.org.                                                        *
012 ****************************************************************************/
013
014package hdf.view;
015
016import java.awt.BorderLayout;
017import java.awt.Dimension;
018import java.awt.Frame;
019import java.awt.GridLayout;
020import java.awt.Point;
021import java.awt.Toolkit;
022import java.awt.event.ActionEvent;
023import java.awt.event.ActionListener;
024import java.awt.event.ItemEvent;
025import java.awt.event.ItemListener;
026import java.awt.event.KeyEvent;
027import java.util.Iterator;
028import java.util.List;
029import java.util.Vector;
030
031import javax.swing.BorderFactory;
032import javax.swing.ButtonGroup;
033import javax.swing.JButton;
034import javax.swing.JComboBox;
035import javax.swing.JDialog;
036import javax.swing.JLabel;
037import javax.swing.JOptionPane;
038import javax.swing.JPanel;
039import javax.swing.JRadioButton;
040import javax.swing.JTextField;
041import javax.swing.border.TitledBorder;
042
043import hdf.object.DataFormat;
044import hdf.object.Dataset;
045import hdf.object.Datatype;
046import hdf.object.FileFormat;
047import hdf.object.Group;
048import hdf.object.HObject;
049import hdf.object.ScalarDS;
050
051/**
052 * NewImageDialog shows a message dialog requesting user input for creating a
053 * new HDF4/5 Image.
054 *
055 * @author Peter X. Cao
056 * @version 2.4 9/6/2007
057 */
058public class NewImageDialog extends JDialog implements ActionListener,
059        ItemListener {
060    private static final long serialVersionUID = 6204900461720887966L;
061
062    private JTextField nameField, widthField, heightField;
063
064    @SuppressWarnings("rawtypes")
065    private JComboBox parentChoice;
066
067    private JRadioButton checkIndex, checkTrueColor, checkInterlacePixel,
068            checkInterlacePlane;
069
070    /** a list of current groups */
071    private List<Object> groupList;
072
073    private boolean isH5;
074
075    private HObject newObject;
076
077    private FileFormat fileFormat;
078
079    private final Toolkit toolkit;
080
081    /**
082     * Constructs NewImageDialog with specified list of possible parent groups.
083     *
084     * @param owner
085     *            the owner of the input
086     * @param pGroup
087     *            the parent group which the new group is added to.
088     * @param objs
089     *            the list of all objects.
090     */
091    @SuppressWarnings({ "rawtypes", "unchecked" })
092    public NewImageDialog(Frame owner, Group pGroup, List<?> objs) {
093        super(owner, "New HDF Image...", true);
094
095        newObject = null;
096
097        isH5 = pGroup.getFileFormat().isThisType(
098                FileFormat.getFileFormat(FileFormat.FILE_TYPE_HDF5));
099        fileFormat = pGroup.getFileFormat();
100        toolkit = Toolkit.getDefaultToolkit();
101
102        parentChoice = new JComboBox();
103        groupList = new Vector<Object>();
104        Object obj = null;
105        Iterator<?> iterator = objs.iterator();
106        while (iterator.hasNext()) {
107            obj = iterator.next();
108            if (obj instanceof Group) {
109                groupList.add(obj);
110                Group g = (Group) obj;
111                if (g.isRoot()) {
112                    parentChoice.addItem(HObject.separator);
113                }
114                else {
115                    parentChoice.addItem(g.getPath() + g.getName()
116                            + HObject.separator);
117                }
118            }
119        }
120
121        if (pGroup.isRoot()) {
122            parentChoice.setSelectedItem(HObject.separator);
123        }
124        else {
125            parentChoice.setSelectedItem(pGroup.getPath() + pGroup.getName()
126                    + HObject.separator);
127        }
128
129        JPanel contentPane = (JPanel) getContentPane();
130        contentPane.setLayout(new BorderLayout(5, 5));
131        contentPane.setBorder(BorderFactory.createEmptyBorder(10, 5, 5, 5));
132        int w = 400 + (ViewProperties.getFontSize() - 12) * 15;
133        int h = 250 + (ViewProperties.getFontSize() - 12) * 10;
134        contentPane.setPreferredSize(new Dimension(w, h));
135
136        JButton okButton = new JButton("   Ok   ");
137        okButton.setActionCommand("Ok");
138        okButton.setMnemonic(KeyEvent.VK_O);
139        okButton.addActionListener(this);
140
141        JButton cancelButton = new JButton("Cancel");
142        cancelButton.setMnemonic(KeyEvent.VK_C);
143        cancelButton.setActionCommand("Cancel");
144        cancelButton.addActionListener(this);
145
146        // set OK and CANCEL buttons
147        JPanel buttonPanel = new JPanel();
148        buttonPanel.add(okButton);
149        buttonPanel.add(cancelButton);
150        contentPane.add(buttonPanel, BorderLayout.SOUTH);
151
152        // set name, parent, width and height panel
153        JPanel centerP = new JPanel();
154        centerP.setLayout(new BorderLayout(5, 5));
155        JPanel tmpP = new JPanel();
156        tmpP.setLayout(new GridLayout(6, 1, 5, 5));
157        tmpP.add(new JLabel("Image name: "));
158        tmpP.add(new JLabel("Parent group: "));
159        tmpP.add(new JLabel("Height: "));
160        tmpP.add(new JLabel("Width: "));
161        tmpP.add(new JLabel("Image type: "));
162        tmpP.add(new JLabel("Data layout: "));
163        centerP.add(tmpP, BorderLayout.WEST);
164
165        tmpP = new JPanel();
166        tmpP.setLayout(new GridLayout(6, 1, 5, 5));
167        tmpP.add(nameField = new JTextField());
168        tmpP.add(parentChoice);
169        tmpP.add(heightField = new JTextField());
170        tmpP.add(widthField = new JTextField());
171
172        JPanel tmpP0 = new JPanel();
173        tmpP0.setLayout(new GridLayout(1, 2));
174        tmpP0.add(checkIndex = new JRadioButton("Indexed colormap", true));
175        tmpP0.add(checkTrueColor = new JRadioButton("24-bit truecolor"));
176        tmpP0.setBorder(new TitledBorder(""));
177        tmpP.add(tmpP0);
178
179        tmpP0 = new JPanel();
180        tmpP0.setLayout(new GridLayout(1, 2));
181        tmpP0.add(checkInterlacePixel = new JRadioButton("Pixel interlace"));
182        tmpP0.add(checkInterlacePlane = new JRadioButton("Plane interlace"));
183        tmpP0.setBorder(new TitledBorder(""));
184        tmpP.add(tmpP0);
185
186        centerP.add(tmpP, BorderLayout.CENTER);
187
188        ButtonGroup bgroup = new ButtonGroup();
189        bgroup.add(checkInterlacePixel);
190        bgroup.add(checkInterlacePlane);
191        bgroup = new ButtonGroup();
192        bgroup.add(checkTrueColor);
193        bgroup.add(checkIndex);
194        checkIndex.addItemListener(this);
195        checkTrueColor.addItemListener(this);
196        checkInterlacePixel.setSelected(true);
197        checkInterlacePixel.setEnabled(false);
198        checkInterlacePlane.setEnabled(false);
199
200        centerP.setBorder(new TitledBorder(""));
201        contentPane.add(centerP, BorderLayout.CENTER);
202
203        // locate the H5Property dialog
204        Point l = owner.getLocation();
205        l.x += 250;
206        l.y += 80;
207        setLocation(l);
208        validate();
209        pack();
210    }
211
212    public void actionPerformed(ActionEvent e) {
213        Object source = e.getSource();
214        String cmd = e.getActionCommand();
215
216        if (cmd.equals("Ok")) {
217            newObject = createHDFimage();
218            if (newObject != null) {
219                dispose();
220            }
221        }
222        if (cmd.equals("Cancel")) {
223            newObject = null;
224            dispose();
225            ((Vector<Object>) groupList).setSize(0);
226        }
227    }
228
229    public void itemStateChanged(ItemEvent e) {
230        Object source = e.getSource();
231
232        if (source.equals(checkIndex)) {
233            checkInterlacePixel.setSelected(true);
234            checkInterlacePixel.setEnabled(false);
235            checkInterlacePlane.setEnabled(false);
236        }
237        else if (source.equals(checkTrueColor)) {
238            checkInterlacePixel.setEnabled(true);
239            checkInterlacePlane.setEnabled(true);
240        }
241    }
242
243    private Dataset createHDFimage() {
244        Dataset dataset = null;
245
246        String name = nameField.getText();
247        if (name != null) {
248            name = name.trim();
249        }
250        if ((name == null) || (name.length() <= 0)) {
251            toolkit.beep();
252            JOptionPane.showMessageDialog(this,
253                    "Dataset name is not specified.", getTitle(),
254                    JOptionPane.ERROR_MESSAGE);
255            return null;
256        }
257
258        if (name.indexOf(HObject.separator) >= 0) {
259            toolkit.beep();
260            JOptionPane.showMessageDialog(this,
261                    "Dataset name cannot contain path.", getTitle(),
262                    JOptionPane.ERROR_MESSAGE);
263            return null;
264        }
265
266        Group pgroup = (Group) groupList.get(parentChoice.getSelectedIndex());
267        if (pgroup == null) {
268            toolkit.beep();
269            JOptionPane.showMessageDialog(this, "Select a parent group.",
270                    getTitle(), JOptionPane.ERROR_MESSAGE);
271            return null;
272        }
273
274        int w = 0, h = 0;
275        try {
276            w = Integer.parseInt(widthField.getText());
277            h = Integer.parseInt(heightField.getText());
278        }
279        catch (Exception ex) {
280            toolkit.beep();
281            JOptionPane.showMessageDialog(this, ex.getMessage(), getTitle(),
282                    JOptionPane.ERROR_MESSAGE);
283            return null;
284        }
285
286        long[] dims = null;
287        int tclass = Datatype.CLASS_CHAR;
288        int tsign = Datatype.SIGN_NONE;
289        int tsize = 1;
290        int torder = Datatype.NATIVE;
291        int interlace = ScalarDS.INTERLACE_PIXEL;
292        int ncomp = 2;
293
294        if (checkIndex.isSelected()) {
295            // indexed colormap
296            if (isH5) {
297                long[] tmpdims = { h, w };
298                dims = tmpdims;
299            }
300            else {
301                long[] tmpdims = { w, h };
302                dims = tmpdims;
303            }
304        }
305        else {
306            // true color image
307            if (isH5) {
308                // HDF5 true color image
309                if (checkInterlacePixel.isSelected()) {
310                    long[] tmpdims = { h, w, 3 };
311                    dims = tmpdims;
312                }
313                else {
314                    interlace = ScalarDS.INTERLACE_PLANE;
315                    long[] tmpdims = { 3, h, w };
316                    dims = tmpdims;
317                }
318            }
319            else {
320                // HDF4 true color image
321                ncomp = 3;
322                long[] tmpdims = { w, h };
323                dims = tmpdims;
324                if (checkInterlacePlane.isSelected()) {
325                    interlace = ScalarDS.INTERLACE_PLANE;
326                }
327            }
328        }
329
330        try {
331
332            Datatype datatype = fileFormat.createDatatype(tclass, tsize,
333                    torder, tsign);
334            dataset = fileFormat.createImage(name, pgroup, datatype, dims,
335                    dims, null, -1, ncomp, interlace, null);
336            dataset.init();
337        }
338        catch (Exception ex) {
339            toolkit.beep();
340            JOptionPane.showMessageDialog(this, ex.getMessage(), getTitle(),
341                    JOptionPane.ERROR_MESSAGE);
342            return null;
343        }
344
345        return dataset;
346    }
347
348    /**
349     * Returns the new dataset created.
350     *
351     * @return The new Dataset created
352     */
353    public DataFormat getObject() {
354        return newObject;
355    }
356
357    /**
358     * Returns the parent group of the new dataset.
359     *
360     * @return The parent group of the new Dataset
361     */
362    public Group getParentGroup() {
363        return (Group) groupList.get(parentChoice.getSelectedIndex());
364    }
365}