-/*\r
-* Jalview - A Sequence Alignment Editor and Viewer\r
-* Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
-*\r
-* This program is free software; you can redistribute it and/or\r
-* modify it under the terms of the GNU General Public License\r
-* as published by the Free Software Foundation; either version 2\r
-* of the License, or (at your option) any later version.\r
-*\r
-* This program is distributed in the hope that it will be useful,\r
-* but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
-* GNU General Public License for more details.\r
-*\r
-* You should have received a copy of the GNU General Public License\r
-* along with this program; if not, write to the Free Software\r
-* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA\r
-*/\r
-package jalview.io;\r
-\r
-import java.io.*;\r
-\r
-import java.util.*;\r
-\r
-import javax.swing.*;\r
-import javax.swing.filechooser.FileView;\r
-\r
-\r
-public class JalviewFileView extends FileView {\r
- static Hashtable alignSuffix = new Hashtable();\r
-\r
- static {\r
- alignSuffix.put("fasta", "Fasta file");\r
- alignSuffix.put("fa", "Fasta file");\r
- alignSuffix.put("fastq", "Fasta file");\r
- alignSuffix.put("blc", "BLC file");\r
- alignSuffix.put("msf", "MSF file");\r
- alignSuffix.put("pfam", "PFAM file");\r
- alignSuffix.put("aln", "Clustal file");\r
- alignSuffix.put("pir", "PIR file");\r
- }\r
-\r
- public String getTypeDescription(File f) {\r
- String extension = getExtension(f);\r
- String type = null;\r
-\r
- if (extension != null) {\r
- if (alignSuffix.containsKey(extension)) {\r
- type = alignSuffix.get(extension).toString();\r
- }\r
- }\r
-\r
- return type;\r
- }\r
-\r
- public Icon getIcon(File f) {\r
- String extension = getExtension(f);\r
- Icon icon = null;\r
-\r
- if (extension != null) {\r
- if (alignSuffix.containsKey(extension)) {\r
- icon = createImageIcon("/images/file.png");\r
- }\r
- }\r
-\r
- return icon;\r
- }\r
-\r
- /*\r
- * Get the extension of a file.\r
- */\r
- public static String getExtension(File f) {\r
- String ext = null;\r
- String s = f.getName();\r
- int i = s.lastIndexOf('.');\r
-\r
- if ((i > 0) && (i < (s.length() - 1))) {\r
- ext = s.substring(i + 1).toLowerCase();\r
- }\r
-\r
- return ext;\r
- }\r
-\r
- /** Returns an ImageIcon, or null if the path was invalid. */\r
- protected static ImageIcon createImageIcon(String path) {\r
- java.net.URL imgURL = JalviewFileView.class.getResource(path);\r
-\r
- if (imgURL != null) {\r
- return new ImageIcon(imgURL);\r
- } else {\r
- System.err.println(\r
- "JalviewFileView.createImageIcon: Couldn't find file: " + path);\r
-\r
- return null;\r
- }\r
- }\r
-}\r
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview 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.
+ *
+ * Jalview 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 Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.io;
+
+import java.io.File;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.swing.Icon;
+import javax.swing.ImageIcon;
+import javax.swing.filechooser.FileView;
+
+public class JalviewFileView extends FileView
+{
+ private static Map<String, String> extensions;
+
+ private static Map<String, ImageIcon> icons;
+
+ private void loadExtensions()
+ {
+ extensions = new HashMap<String, String>();
+ for (FileFormatI ff : FileFormats.getInstance().getFormats())
+ {
+ String desc = ff.getName() + " file";
+ String exts = ff.getExtensions();
+ for (String ext : exts.split(","))
+ {
+ extensions.put(ext.trim().toLowerCase(), desc
+ + ("jar".equals(ext) ? " (old)" : ""));
+ }
+ }
+ }
+
+ @Override
+ public String getTypeDescription(File f)
+ {
+ String extension = getExtension(f);
+ String type = getDescriptionForExtension(extension);
+ if (extension != null)
+ {
+ if (extensions.containsKey(extension))
+ {
+ type = extensions.get(extension).toString();
+ }
+ }
+
+ return type;
+ }
+
+ private String getDescriptionForExtension(String extension)
+ {
+ synchronized (this)
+ {
+ if (extensions == null)
+ {
+ loadExtensions();
+ }
+ }
+ return extensions.get(extension);
+ }
+
+ @Override
+ public Icon getIcon(File f)
+ {
+ String extension = getExtension(f);
+ Icon icon = null;
+
+ if (getDescriptionForExtension(extension) != null)
+ {
+ icon = getImageIcon("/images/file.png");
+ }
+
+ return icon;
+ }
+
+ /**
+ * Returns the extension of a file (part of the name after the last period),
+ * in lower case, or null if the name ends in or does not include a period.
+ */
+ public static String getExtension(File f)
+ {
+ String ext = null;
+ String s = f.getName();
+ int i = s.lastIndexOf('.');
+
+ if ((i > 0) && (i < (s.length() - 1)))
+ {
+ ext = s.substring(i + 1).toLowerCase();
+ }
+
+ return ext;
+ }
+
+ /**
+ * Returns an ImageIcon, or null if the file was not found
+ *
+ * @param filePath
+ */
+ protected ImageIcon getImageIcon(String filePath)
+ {
+ /*
+ * we reuse a single icon object per path here
+ */
+ synchronized (this)
+ {
+ if (icons == null)
+ {
+ icons = new HashMap<String, ImageIcon>();
+ }
+ if (!icons.containsKey(filePath))
+ {
+ ImageIcon icon = null;
+ URL imgURL = JalviewFileView.class.getResource(filePath);
+ if (imgURL != null)
+ {
+ icon = new ImageIcon(imgURL);
+ }
+ else
+ {
+ System.err
+ .println("JalviewFileView.createImageIcon: Couldn't find file: "
+ + filePath);
+ }
+ icons.put(filePath, icon);
+ }
+ }
+
+ /*
+ * return the image from the table (which may be null if
+ * icon creation failed)
+ */
+ return icons.get(filePath);
+ }
+}
git://source.jalview.org / jalview.git / blobdiff