diff options
Diffstat (limited to 'examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/fileviewer/IconCache.java')
| -rwxr-xr-x | examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/fileviewer/IconCache.java | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/fileviewer/IconCache.java b/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/fileviewer/IconCache.java deleted file mode 100755 index 239c0c615a..0000000000 --- a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/fileviewer/IconCache.java +++ /dev/null @@ -1,147 +0,0 @@ -package org.eclipse.swt.examples.fileviewer;
-/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved
- */
-
-import org.eclipse.swt.*;
-import org.eclipse.swt.graphics.*;
-import org.eclipse.swt.program.*;
-import org.eclipse.swt.widgets.*;
-
-import java.io.*;
-import java.util.*;
-
-/**
- * Manages icons for the application.
- * This is necessary as we could easily end up creating thousands of icons
- * bearing the same image.
- */
-class IconCache {
- // Stock images
- public static final int
- shellIcon = 0,
- iconClosedDrive = 1,
- iconClosedFolder = 2,
- iconFile = 3,
- iconOpenDrive = 4,
- iconOpenFolder = 5,
- cmdCopy = 6,
- cmdCut = 7,
- cmdDelete = 8,
- cmdParent = 9,
- cmdPaste = 10,
- cmdPrint = 11,
- cmdRefresh = 12,
- cmdRename = 13,
- cmdSearch = 14;
- public static final String[] stockImageLocations = {
- "generic_example.gif",
- "icon_ClosedDrive.gif",
- "icon_ClosedFolder.gif",
- "icon_File.gif",
- "icon_OpenDrive.gif",
- "icon_OpenFolder.gif",
- "cmd_Copy.gif",
- "cmd_Cut.gif",
- "cmd_Delete.gif",
- "cmd_Parent.gif",
- "cmd_Paste.gif",
- "cmd_Print.gif",
- "cmd_Refresh.gif",
- "cmd_Rename.gif",
- "cmd_Search.gif"
- };
- public static Image stockImages[];
-
- // Stock cursors
- public static final int
- cursorDefault = 0,
- cursorWait = 1;
- public static Cursor stockCursors[];
- // Cached icons
- private static Hashtable iconCache; /* map Program to Image */
- /**
- * Loads the resources
- *
- * @param display the display
- */
- public static void initResources(Display display) {
- if (stockImages == null) {
- stockImages = new Image[stockImageLocations.length];
-
- for (int i = 0; i < stockImageLocations.length; ++i) {
- Image image = createStockImage(display, stockImageLocations[i]);
- if (image == null) {
- freeResources();
- throw new IllegalStateException(
- FileViewer.getResourceString("error.CouldNotLoadResources"));
- }
- stockImages[i] = image;
- }
- }
- if (stockCursors == null) {
- stockCursors = new Cursor[] {
- null,
- new Cursor(display, SWT.CURSOR_WAIT)
- };
- }
- iconCache = new Hashtable();
- }
- /**
- * Frees the resources
- */
- public static void freeResources() {
- if (stockImages != null) {
- for (int i = 0; i < stockImages.length; ++i) {
- final Image image = stockImages[i];
- if (image != null) image.dispose();
- }
- stockImages = null;
- }
- if (iconCache != null) {
- for (Enumeration it = iconCache.elements(); it.hasMoreElements(); ) {
- Image image = (Image) it.nextElement();
- image.dispose();
- }
- }
- }
- /**
- * Creates a stock image
- *
- * @param display the display
- * @param path the relative path to the icon
- */
- private static Image createStockImage(Display display, String path) {
- try {
- InputStream stream = IconCache.class.getResourceAsStream(path);
- if (stream != null) {
- ImageData imageData = new ImageData(stream);
- if (imageData != null) {
- ImageData mask = imageData.getTransparencyMask();
- return new Image(display, imageData, mask);
- }
- }
- } catch (Exception e) {
- }
- return null;
- }
- /**
- * Gets an image for a file associated with a given program
- *
- * @param program the Program
- */
- public static Image getIconFromProgram(Program program) {
- Image image = (Image) iconCache.get(program);
- if (image == null) {
- ImageData imageData = program.getImageData();
- if (imageData != null) {
- image = new Image(null, imageData, imageData.getTransparencyMask());
- iconCache.put(program, image);
- } else {
- image = stockImages[iconFile];
- }
- }
- return image;
- }
-}
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