src/main/java/charactermanaj/ui/SamplePicturePanel.java

   1 package charactermanaj.ui;\r
   2 \r
   3 import static java.lang.Math.min;\r
   4 \r
   5 import java.awt.Color;\r
   6 import java.awt.Component;\r
   7 import java.awt.Container;\r
   8 import java.awt.Dimension;\r
   9 import java.awt.Font;\r
  10 import java.awt.Graphics;\r
  11 import java.awt.Graphics2D;\r
  12 import java.awt.Insets;\r
  13 import java.awt.Rectangle;\r
  14 import java.awt.RenderingHints;\r
  15 import java.awt.Shape;\r
  16 import java.awt.event.MouseAdapter;\r
  17 import java.awt.event.MouseEvent;\r
  18 import java.awt.font.FontRenderContext;\r
  19 import java.awt.image.BufferedImage;\r
  20 import java.util.Properties;\r
  21 \r
  22 import javax.swing.JPanel;\r
  23 import javax.swing.JScrollPane;\r
  24 import javax.swing.JViewport;\r
  25 \r
  26 import charactermanaj.model.AppConfig;\r
  27 import charactermanaj.ui.util.ScrollPaneDragScrollSupport;\r
  28 import charactermanaj.util.LocalizedResourcePropertyLoader;\r
  29 \r
  30 /**\r
  31  * サンプルピクチャ用パネル.<br>\r
  32  * ピクチャの自動縮小と等倍表示切り替えをサポートする.<br>\r
  33  * \r
  34  * @author seraphy\r
  35  */\r
  36 public class SamplePicturePanel extends JPanel {\r
  37         \r
  38         private static final long serialVersionUID = 4026181978500938152L;\r
  39 \r
  40         protected BufferedImage samplePicture;\r
  41         \r
  42         protected boolean visiblePicture = true;\r
  43         \r
  44         protected Color sampleImageBgColor = AppConfig.getInstance().getSampleImageBgColor();\r
  45         \r
  46         protected String alternateText = "";\r
  47         \r
  48         protected boolean enableRealsize;\r
  49         \r
  50         /**\r
  51          * マウスドラッグによるスクロールのサポート\r
  52          */\r
  53         protected ScrollPaneDragScrollSupport scrollSupport;\r
  54         \r
  55         {\r
  56                 setMinimumSize(new Dimension(64, 64));\r
  57                 addMouseListener(new MouseAdapter() {\r
  58                         @Override\r
  59                         public void mouseClicked(MouseEvent e) {\r
  60                                 if (e.getClickCount() == 2) {\r
  61                                         // 正確に2回\r
  62                                         onDblClick();\r
  63                                         e.consume();\r
  64                                 }\r
  65                         }\r
  66                 });\r
  67         }\r
  68         \r
  69         @Override\r
  70         public void addNotify() {\r
  71                 super.addNotify();\r
  72                 \r
  73                 // 親がJScrollPaneである場合、\r
  74                 // マウスのドラッグによるスクロールをサポートするようにマウスリスナをセットアップする.\r
  75                 Component parent = getParent();\r
  76                 if (parent != null && (parent instanceof JViewport)) {\r
  77                         Component gparent = parent.getParent();\r
  78                         if (gparent != null && (gparent instanceof JScrollPane)) {\r
  79                                 JScrollPane scrollPane = (JScrollPane) gparent;\r
  80                                 scrollSupport = new ScrollPaneDragScrollSupport(scrollPane);\r
  81                                 scrollSupport.installDraggingListener(this, null);\r
  82                         }\r
  83                 }\r
  84         }\r
  85         \r
  86         @Override\r
  87         public void removeNotify() {\r
  88                 if (scrollSupport != null) {\r
  89                         scrollSupport.uninstallDraggingListener();\r
  90                         scrollSupport = null;\r
  91                 }\r
  92                 super.removeNotify();\r
  93         }\r
  94         \r
  95         public SamplePicturePanel() {\r
  96                 super();\r
  97         }\r
  98         \r
  99         public SamplePicturePanel(BufferedImage samplePicture) {\r
 100                 super();\r
 101                 this.samplePicture = samplePicture;\r
 102                 this.alternateText = "";\r
 103                 this.enableRealsize = false;\r
 104                 adjustPreferrerdSize(false);\r
 105         }\r
 106         \r
 107         public SamplePicturePanel(BufferedImage samplePicture, String alternateText) {\r
 108                 super();\r
 109                 if (alternateText == null) {\r
 110                         alternateText = "";\r
 111                 }\r
 112                 this.samplePicture = samplePicture;\r
 113                 this.alternateText = alternateText;\r
 114                 this.enableRealsize = false;\r
 115                 adjustPreferrerdSize(false);\r
 116         }\r
 117         \r
 118         @Override\r
 119         protected void paintComponent(Graphics g0) {\r
 120                 Graphics2D g = (Graphics2D) g0;\r
 121                 super.paintComponent(g);\r
 122 \r
 123                 if (samplePicture != null && isVisiblePicture()) {\r
 124                         Rectangle rct = getBounds();\r
 125                         Insets insets = getInsets();\r
 126                         int x = insets.left;\r
 127                         int y = insets.top;\r
 128                         int w = rct.width - insets.left - insets.right;\r
 129                         int h = rct.height - insets.top - insets.bottom;\r
 130 \r
 131                         int imgW = samplePicture.getWidth();\r
 132                         int imgH = samplePicture.getHeight();\r
 133                         \r
 134                         double factor1 = (double) h / (double) imgH; // 縦を納めた場合の、縦の縮小率\r
 135                         double factor2 = (double) w / (double) imgW; // 横を納めた場合の、横の縮小率\r
 136                         double factor = min(factor1, factor2); // 縦横を納めるのに最低必要な縮小率\r
 137                         int scaledW = (int)(imgW * factor);\r
 138                         int scaledH = (int)(imgH * factor);\r
 139                         int offset_x = (w - scaledW) / 2;\r
 140                         int offset_y = (h - scaledH) / 2;\r
 141 \r
 142                         Object renderingHint;\r
 143                         if (factor <= 1.) {\r
 144                                 // 等倍未満\r
 145                                 renderingHint = RenderingHints.VALUE_INTERPOLATION_BILINEAR;\r
 146                         \r
 147                         } else if (factor <= 2.) {\r
 148                                 // 2倍まで\r
 149                                 renderingHint = RenderingHints.VALUE_INTERPOLATION_BICUBIC;\r
 150 \r
 151                         } else {\r
 152                                 // それ以上\r
 153                                 renderingHint = RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR;\r
 154                         }\r
 155                         g.setRenderingHint(\r
 156                                         RenderingHints.KEY_INTERPOLATION,\r
 157                                         renderingHint);\r
 158                         \r
 159                         g.drawImage(samplePicture, x + offset_x, y + offset_y, x\r
 160                                         + offset_x + scaledW, y + offset_y + scaledH, 0, 0,\r
 161                                         imgW, imgH, sampleImageBgColor, null);\r
 162 \r
 163                 } else if (alternateText.length() > 0) {\r
 164                         Rectangle rct = getBounds();\r
 165                         Insets insets = getInsets();\r
 166                         int x = insets.left;\r
 167                         int y = insets.top;\r
 168                         int w = rct.width - insets.left - insets.right;\r
 169                         int h = rct.height - insets.top - insets.bottom;\r
 170 \r
 171                         Font font = g.getFont();\r
 172                         FontRenderContext frc = g.getFontRenderContext();\r
 173                         int textHeight = (int) font.getMaxCharBounds(frc).getHeight();\r
 174                         Shape clipOld = g.getClip();\r
 175                         g.setClip(x, y, w, h);\r
 176                         g.drawString(alternateText, x, y + textHeight);\r
 177                         g.setClip(clipOld);\r
 178                 }\r
 179         }\r
 180         \r
 181         public void adjustPreferrerdSize(boolean fullsize) {\r
 182                 Dimension minSize = getMinimumSize();\r
 183                 Dimension siz = minSize;\r
 184 \r
 185                 String tooltip = null;\r
 186                 if (samplePicture != null) {\r
 187                         int div = fullsize ? 1 : 2;\r
 188                         Insets insets = getInsets();\r
 189                         siz = new Dimension(samplePicture.getWidth() / div + insets.left\r
 190                                         + insets.right, samplePicture.getHeight() / div + insets.top\r
 191                                         + insets.bottom);\r
 192                         Container parent = getParent();\r
 193                         if (parent != null && parent instanceof JViewport) {\r
 194                                 Properties strings = LocalizedResourcePropertyLoader\r
 195                                                 .getCachedInstance().getLocalizedProperties("languages/samplepicturepanel");\r
 196                                 if (!fullsize) {\r
 197                                         tooltip = strings.getProperty("dblclick.fullsize");\r
 198                                 } else {\r
 199                                         tooltip = strings.getProperty("dblclick.fit");\r
 200                                 }\r
 201                         }\r
 202                 }\r
 203                 setToolTipText(tooltip);\r
 204 \r
 205                 siz.width = Math.max(minSize.width, siz.width);\r
 206                 siz.height = Math.max(minSize.height, siz.height);\r
 207 \r
 208                 Dimension ord = getPreferredSize();\r
 209                 if (ord == null || !ord.equals(siz)) {\r
 210                         setPreferredSize(siz);\r
 211                         revalidate();\r
 212                 }\r
 213         }\r
 214         \r
 215         @Override\r
 216         public Dimension getPreferredSize() {\r
 217                 Container parent = getParent();\r
 218                 if (!enableRealsize && parent != null && parent instanceof JViewport) {\r
 219                         JViewport viewport = (JViewport) parent;\r
 220                         Dimension siz = viewport.getExtentSize();\r
 221                         Insets insets = viewport.getInsets();\r
 222                         Dimension preferredSize = new Dimension(siz.width - insets.left\r
 223                                         - insets.right, siz.height - insets.top - insets.bottom);\r
 224                         return preferredSize;\r
 225                 }\r
 226                 return super.getPreferredSize();\r
 227         }\r
 228         \r
 229         protected void onDblClick() {\r
 230                 Container parent = getParent();\r
 231                 if (parent != null && parent instanceof JViewport) {\r
 232                         enableRealsize = !enableRealsize;\r
 233                         adjustPreferrerdSize(enableRealsize);\r
 234                 }\r
 235         }\r
 236         \r
 237         public boolean isVisiblePicture() {\r
 238                 return visiblePicture;\r
 239         }\r
 240         \r
 241         public void setVisiblePicture(boolean visiblePicture) {\r
 242                 if (this.visiblePicture != visiblePicture) {\r
 243                         this.visiblePicture = visiblePicture;\r
 244                         repaint();\r
 245                 }\r
 246         }\r
 247         \r
 248         public void setSamplePicture(BufferedImage samplePicture) {\r
 249                 if (this.samplePicture != samplePicture) {\r
 250                         this.samplePicture = samplePicture;\r
 251                         enableRealsize = false;\r
 252                         adjustPreferrerdSize(false);\r
 253                         repaint();\r
 254                 }\r
 255         }\r
 256         \r
 257         public BufferedImage getSamplePictrue() {\r
 258                 return this.samplePicture;\r
 259         }\r
 260         \r
 261         public Color getSamplePictureBgColor() {\r
 262                 return this.sampleImageBgColor;\r
 263         }\r
 264         \r
 265         public void setSamplePictureBgColor(Color color) {\r
 266                 if (color == null) {\r
 267                         throw new IllegalArgumentException();\r
 268                 }\r
 269                 if (!sampleImageBgColor.equals(color)) {\r
 270                         this.sampleImageBgColor = color;\r
 271                         repaint();\r
 272                 }\r
 273         }\r
 274         \r
 275         public String getAlternateText() {\r
 276                 return alternateText;\r
 277         }\r
 278         \r
 279         public void setAlternateText(String alternateText) {\r
 280                 if (alternateText == null) {\r
 281                         alternateText = "";\r
 282                 }\r
 283                 if (!this.alternateText.equals(alternateText)) {\r
 284                         this.alternateText = alternateText;\r
 285                         repaint();\r
 286                 }\r
 287         }\r
 288 }\r