Commit | Line | Data |
---|---|---|
32ba91e9 NR |
1 | package be.nikiroo.fanfix.reader.ui; |
2 | ||
3 | import java.awt.BorderLayout; | |
4 | import java.awt.event.ActionEvent; | |
5 | import java.awt.event.ActionListener; | |
6 | import java.awt.image.BufferedImage; | |
7 | ||
8 | import javax.swing.Icon; | |
9 | import javax.swing.ImageIcon; | |
10 | import javax.swing.JButton; | |
11 | import javax.swing.JLabel; | |
12 | import javax.swing.JPanel; | |
13 | import javax.swing.JProgressBar; | |
14 | import javax.swing.JScrollPane; | |
15 | ||
16 | import be.nikiroo.fanfix.Instance; | |
17 | import be.nikiroo.fanfix.data.Chapter; | |
18 | import be.nikiroo.fanfix.data.Story; | |
19 | import be.nikiroo.utils.Image; | |
20 | import be.nikiroo.utils.ui.ImageUtilsAwt; | |
21 | ||
22 | /** | |
23 | * A {@link JPanel} that will show a {@link Story} chapter on screen. | |
24 | * | |
25 | * @author niki | |
26 | */ | |
27 | public class GuiReaderViewerPanel extends JPanel { | |
28 | private static final long serialVersionUID = 1L; | |
29 | ||
30 | private boolean imageDocument; | |
31 | private Chapter chap; | |
32 | ||
33 | private JLabel label; | |
34 | private GuiReaderViewerTextOutput htmlOutput; | |
35 | private JProgressBar imageProgress; | |
36 | private int currentImage; | |
37 | private JButton left; | |
38 | private JButton right; | |
39 | ||
40 | /** | |
41 | * Create a new viewer. | |
42 | * | |
43 | * @param story | |
44 | * the {@link Story} to work on. | |
45 | */ | |
46 | public GuiReaderViewerPanel(Story story) { | |
47 | super(new BorderLayout()); | |
48 | ||
49 | this.imageDocument = story.getMeta().isImageDocument(); | |
50 | this.label = new JLabel(); | |
51 | label.setAlignmentY(TOP_ALIGNMENT); | |
52 | htmlOutput = new GuiReaderViewerTextOutput(); | |
53 | ||
54 | if (!imageDocument) { | |
55 | // TODO: why is it broken? | |
56 | // text.setPreferredSize(new Dimension(500, 500)); | |
57 | ||
58 | JScrollPane scroll = new JScrollPane(label); | |
59 | scroll.getVerticalScrollBar().setUnitIncrement(16); | |
60 | ||
61 | add(scroll, BorderLayout.CENTER); | |
62 | } else { | |
63 | imageProgress = new JProgressBar(); | |
64 | imageProgress.setStringPainted(true); | |
65 | add(imageProgress, BorderLayout.SOUTH); | |
66 | ||
67 | JPanel main = new JPanel(new BorderLayout()); | |
68 | main.add(label, BorderLayout.CENTER); | |
69 | ||
70 | left = new JButton(" < "); | |
71 | left.addActionListener(new ActionListener() { | |
72 | @Override | |
73 | public void actionPerformed(ActionEvent e) { | |
74 | setImage(--currentImage); | |
75 | } | |
76 | }); | |
77 | main.add(left, BorderLayout.WEST); | |
78 | ||
79 | right = new JButton(" > "); | |
80 | right.addActionListener(new ActionListener() { | |
81 | @Override | |
82 | public void actionPerformed(ActionEvent e) { | |
83 | setImage(++currentImage); | |
84 | } | |
85 | }); | |
86 | main.add(right, BorderLayout.EAST); | |
87 | ||
88 | add(main, BorderLayout.CENTER); | |
89 | } | |
90 | ||
91 | setChapter(story.getMeta().getResume()); | |
92 | } | |
93 | ||
94 | /** | |
95 | * Load the given chapter. | |
96 | * <p> | |
97 | * Will always be text for a non-image document. | |
98 | * <p> | |
99 | * Will be an image and left/right controls for an image-document, except | |
100 | * for chapter 0 which will be text (chapter 0 = resume). | |
101 | * | |
102 | * @param chap | |
103 | * the chapter to load | |
104 | */ | |
105 | public void setChapter(Chapter chap) { | |
106 | this.chap = chap; | |
107 | ||
108 | if (!imageDocument) { | |
109 | label.setText(htmlOutput.convert(chap)); | |
110 | } else { | |
111 | left.setVisible(chap.getNumber() > 0); | |
112 | right.setVisible(chap.getNumber() > 0); | |
113 | imageProgress.setVisible(chap.getNumber() > 0); | |
114 | ||
115 | imageProgress.setMinimum(0); | |
116 | imageProgress.setMaximum(chap.getParagraphs().size() - 1); | |
117 | ||
118 | if (chap.getNumber() == 0) { | |
119 | label.setText(htmlOutput.convert(chap)); | |
120 | } else { | |
121 | setImage(0); | |
122 | } | |
123 | } | |
124 | } | |
125 | ||
126 | /** | |
127 | * Will set and display the current image, take care about the progression | |
128 | * and update the left and right cursors' <tt>enabled</tt> property. | |
129 | * | |
130 | * @param i | |
131 | * the image index to load | |
132 | */ | |
133 | private void setImage(int i) { | |
134 | left.setEnabled(i > 0); | |
135 | right.setEnabled(i + 1 < chap.getParagraphs().size()); | |
136 | ||
137 | if (i < 0 || i >= chap.getParagraphs().size()) { | |
138 | return; | |
139 | } | |
140 | ||
141 | imageProgress.setValue(i); | |
142 | imageProgress.setString(String.format("Image %d / %d", i + 1, chap | |
143 | .getParagraphs().size())); | |
144 | ||
145 | currentImage = i; | |
146 | label.setText(""); | |
147 | label.setIcon(null); | |
148 | ||
149 | Image img = chap.getParagraphs().get(i).getContentImage(); | |
150 | if (img == null) { | |
151 | label.setText("Error: cannot render image."); | |
152 | } else { | |
153 | try { | |
154 | BufferedImage buffImg = ImageUtilsAwt.fromImage(img); | |
155 | Icon icon = new ImageIcon(buffImg); | |
156 | label.setIcon(icon); | |
157 | } catch (Exception e) { | |
158 | Instance.getTraceHandler().error( | |
159 | new Exception("Failed to load image into label", e)); | |
160 | label.setText("Error: cannot load image."); | |
161 | } | |
162 | } | |
163 | } | |
164 | } |