refactor: Replace SWTResourceManager usage with standard API.

Change-Id: I85d55175fc759c5836dcd85d32e8c7633a03b5bc
diff --git a/org.eclipse.ote.ui.message/src/org/eclipse/ote/ui/message/internal/SWTResourceManager.java b/org.eclipse.ote.ui.message/src/org/eclipse/ote/ui/message/internal/SWTResourceManager.java
deleted file mode 100644
index bdf4f81..0000000
--- a/org.eclipse.ote.ui.message/src/org/eclipse/ote/ui/message/internal/SWTResourceManager.java
+++ /dev/null
@@ -1,459 +0,0 @@
-package org.eclipse.ote.ui.message.internal;
-import java.io.BufferedInputStream;
-import java.io.FileInputStream;
-import java.io.InputStream;
-import java.util.HashMap;
-import java.util.Iterator;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.graphics.Color;
-import org.eclipse.swt.graphics.Cursor;
-import org.eclipse.swt.graphics.Font;
-import org.eclipse.swt.graphics.FontData;
-import org.eclipse.swt.graphics.GC;
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.graphics.ImageData;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.graphics.RGB;
-import org.eclipse.swt.graphics.Rectangle;
-import org.eclipse.swt.widgets.Canvas;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.CoolBar;
-import org.eclipse.swt.widgets.CoolItem;
-import org.eclipse.swt.widgets.Display;
-
-/**
- * Utility class for managing OS resources associated with SWT controls such as
- * colors, fonts, images, etc.
- *
- * !!! IMPORTANT !!! Application code must explicitly invoke the <code>dispose()</code>
- * method to release the operating system resources managed by cached objects
- * when those objects and OS resources are no longer needed (e.g. on
- * application shutdown)
- *
- * This class may be freely distributed as part of any application or plugin.
- * <p>
- * Copyright (c) 2003 - 2005, Instantiations, Inc. <br>All Rights Reserved
- *
- * @author scheglov_ke
- * @author Dan Rubel
- */
-public class SWTResourceManager {
-
-    /**
-     * Dispose of cached objects and their underlying OS resources. This should
-     * only be called when the cached objects are no longer needed (e.g. on
-     * application shutdown)
-     */
-    public static void dispose() {
-        disposeColors();
-        disposeFonts();
-        disposeImages();
-        disposeCursors();
-    }
-
-    //////////////////////////////
-    // Color support
-    //////////////////////////////
-
-    /**
-     * Maps RGB values to colors
-     */
-    private static HashMap<RGB, Color> m_ColorMap = new HashMap<RGB, Color>();
-
-    /**
-     * Returns the system color matching the specific ID
-     * @param systemColorID int The ID value for the color
-     * @return Color The system color matching the specific ID
-     */
-    public static Color getColor(int systemColorID) {
-        Display display = Display.getCurrent();
-        return display.getSystemColor(systemColorID);
-    }
-
-    /**
-     * Returns a color given its red, green and blue component values
-     * @param r int The red component of the color
-     * @param g int The green component of the color
-     * @param b int The blue component of the color
-     * @return Color The color matching the given red, green and blue componet values
-     */
-    public static Color getColor(int r, int g, int b) {
-        return getColor(new RGB(r, g, b));
-    }
-
-    /**
-     * Returns a color given its RGB value
-     * @param rgb RGB The RGB value of the color
-     * @return Color The color matching the RGB value
-     */
-    public static Color getColor(RGB rgb) {
-        Color color = m_ColorMap.get(rgb);
-        if (color == null) {
-            Display display = Display.getCurrent();
-            color = new Color(display, rgb);
-            m_ColorMap.put(rgb, color);
-        }
-        return color;
-    }
-
-    /**
-     * Dispose of all the cached colors
-     */
-    public static void disposeColors() {
-        for (Iterator<Color> iter = m_ColorMap.values().iterator(); iter.hasNext();)
-             iter.next().dispose();
-        m_ColorMap.clear();
-    }
-
-    //////////////////////////////
-    // Image support
-    //////////////////////////////
-
-	/**
-	 * Maps image names to images
-	 */
-    private static HashMap<String, Image> m_ClassImageMap = new HashMap<String, Image>();
-
-	/**
-	 * Maps images to image decorators
-	 */
-    private static HashMap<Image, HashMap<Image, Image>> m_ImageToDecoratorMap = new HashMap<Image, HashMap<Image, Image>>();
-
-    /**
-     * Returns an image encoded by the specified input stream
-     * @param is InputStream The input stream encoding the image data
-     * @return Image The image encoded by the specified input stream
-     */
-    protected static Image getImage(InputStream is) {
-        Display display = Display.getCurrent();
-        ImageData data = new ImageData(is);
-        if (data.transparentPixel > 0)
-            return new Image(display, data, data.getTransparencyMask());
-        return new Image(display, data);
-    }
-
-    /**
-     * Returns an image stored in the file at the specified path
-     * @param path String The path to the image file
-     * @return Image The image stored in the file at the specified path
-     */
-    public static Image getImage(String path) {
-	return getImage("default", path); //$NON-NLS-1$
-    }
-
-    /**
-     * Returns an image stored in the file at the specified path
-     * @param section The section to which belongs specified image
-     * @param path String The path to the image file
-     * @return Image The image stored in the file at the specified path
-     */
-    public static Image getImage(String section, String path) {
-        String key = section + '|' + SWTResourceManager.class.getName() + '|' + path;
-        Image image = m_ClassImageMap.get(key);
-        if (image == null) {
-            try {
-                FileInputStream fis = new FileInputStream(path);
-                image = getImage(fis);
-                m_ClassImageMap.put(key, image);
-                fis.close();
-            } catch (Exception e) {
-		image = getMissingImage();
-		m_ClassImageMap.put(key, image);
-            }
-        }
-        return image;
-    }
-
-    /**
-     * Returns an image stored in the file at the specified path relative to the specified class
-     * @param clazz Class The class relative to which to find the image
-     * @param path String The path to the image file
-     * @return Image The image stored in the file at the specified path
-     */
-    public static Image getImage(Class<?> clazz, String path) {
-        String key = clazz.getName() + '|' + path;
-        Image image = m_ClassImageMap.get(key);
-        if (image == null) {
-		try {
-			if (path.length() > 0 && path.charAt(0) == '/') {
-				String newPath = path.substring(1, path.length());
-				image = getImage(new BufferedInputStream(clazz.getClassLoader().getResourceAsStream(newPath)));
-			} else {
-				image = getImage(clazz.getResourceAsStream(path));
-			}
-			m_ClassImageMap.put(key, image);
-		} catch (Exception e) {
-			image = getMissingImage();
-			m_ClassImageMap.put(key, image);
-		}
-        }
-        return image;
-    }
-
-    private static final int MISSING_IMAGE_SIZE = 10;
-	private static Image getMissingImage() {
-		Image image = new Image(Display.getCurrent(), MISSING_IMAGE_SIZE, MISSING_IMAGE_SIZE);
-		//
-		GC gc = new GC(image);
-		gc.setBackground(getColor(SWT.COLOR_RED));
-		gc.fillRectangle(0, 0, MISSING_IMAGE_SIZE, MISSING_IMAGE_SIZE);
-		gc.dispose();
-		//
-		return image;
-	}
-
-    /**
-     * Style constant for placing decorator image in top left corner of base image.
-     */
-    public static final int TOP_LEFT = 1;
-    /**
-     * Style constant for placing decorator image in top right corner of base image.
-     */
-    public static final int TOP_RIGHT = 2;
-    /**
-     * Style constant for placing decorator image in bottom left corner of base image.
-     */
-    public static final int BOTTOM_LEFT = 3;
-    /**
-     * Style constant for placing decorator image in bottom right corner of base image.
-     */
-    public static final int BOTTOM_RIGHT = 4;
-
-    /**
-     * Returns an image composed of a base image decorated by another image
-     * @param baseImage Image The base image that should be decorated
-     * @param decorator Image The image to decorate the base image
-     * @return Image The resulting decorated image
-     */
-    public static Image decorateImage(Image baseImage, Image decorator) {
-	return decorateImage(baseImage, decorator, BOTTOM_RIGHT);
-    }
-
-    /**
-	 * Returns an image composed of a base image decorated by another image
-	 * @param baseImage Image The base image that should be decorated
-	 * @param decorator Image The image to decorate the base image
-	 * @param corner The corner to place decorator image
-	 * @return Image The resulting decorated image
-	 */
-	public static Image decorateImage(final Image baseImage, final Image decorator, final int corner) {
-		HashMap<Image, Image> decoratedMap = m_ImageToDecoratorMap.get(baseImage);
-		if (decoratedMap == null) {
-			decoratedMap = new HashMap<Image, Image>();
-			m_ImageToDecoratorMap.put(baseImage, decoratedMap);
-		}
-		Image result = decoratedMap.get(decorator);
-		if (result == null) {
-			Rectangle bid = baseImage.getBounds();
-			Rectangle did = decorator.getBounds();
-			result = new Image(Display.getCurrent(), bid.width, bid.height);
-			GC gc = new GC(result);
-			gc.drawImage(baseImage, 0, 0);
-			//
-			if (corner == TOP_LEFT) {
-				gc.drawImage(decorator, 0, 0);
-			} else if (corner == TOP_RIGHT) {
-				gc.drawImage(decorator, bid.width - did.width - 1, 0);
-			} else if (corner == BOTTOM_LEFT) {
-				gc.drawImage(decorator, 0, bid.height - did.height - 1);
-			} else if (corner == BOTTOM_RIGHT) {
-				gc.drawImage(decorator, bid.width - did.width - 1, bid.height - did.height - 1);
-			}
-			//
-			gc.dispose();
-			decoratedMap.put(decorator, result);
-		}
-		return result;
-	}
-
-    /**
-     * Dispose all of the cached images
-     */
-    public static void disposeImages() {
-        for (Iterator<Image> I = m_ClassImageMap.values().iterator(); I.hasNext();)
-             I.next().dispose();
-        m_ClassImageMap.clear();
-        //
-        for (Iterator<HashMap<Image, Image>> I = m_ImageToDecoratorMap.values().iterator(); I.hasNext();) {
-			HashMap<Image, Image> decoratedMap = I.next();
-			for (Iterator<Image> J = decoratedMap.values().iterator(); J.hasNext();) {
-				Image image = J.next();
-				image.dispose();
-			}
-		}
-    }
-
-    /**
-	 * Dispose cached images in specified section
-	 * @param section the section do dispose
-	 */
-	public static void disposeImages(String section) {
-		for (Iterator<String> I = m_ClassImageMap.keySet().iterator(); I.hasNext();) {
-			String key = I.next();
-			if (!key.startsWith(section + '|'))
-				continue;
-			Image image = m_ClassImageMap.get(key);
-			image.dispose();
-			I.remove();
-		}
-	}
-
-    //////////////////////////////
-    // Font support
-    //////////////////////////////
-
-    /**
-     * Maps font names to fonts
-     */
-    private static HashMap<String, Font> m_FontMap = new HashMap<String, Font>();
-
-    /**
-     * Maps fonts to their bold versions
-     */
-    private static HashMap<Font, Font> m_FontToBoldFontMap = new HashMap<Font, Font>();
-
-    /**
-     * Returns a font based on its name, height and style
-     * @param name String The name of the font
-     * @param height int The height of the font
-     * @param style int The style of the font
-     * @return Font The font matching the name, height and style
-     */
-    public static Font getFont(String name, int height, int style) {
-	return getFont(name, height, style, false, false);
-    }
-
-
-    /**
-     * Returns a font based on its name, height and style.
-     * Windows-specific strikeout and underline flags are also supported.
-     * @param name String The name of the font
-     * @param size int The size of the font
-     * @param style int The style of the font
-     * @param strikeout boolean The strikeout flag (warning: Windows only)
-     * @param underline boolean The underline flag (warning: Windows only)
-     * @return Font The font matching the name, height, style, strikeout and underline
-     */
-	public static Font getFont(String name, int size, int style, boolean strikeout, boolean underline) {
-		String fontName = name + '|' + size + '|' + style + '|' + strikeout + '|' + underline;
-        Font font = m_FontMap.get(fontName);
-        if (font == null) {
-		FontData fontData = new FontData(name, size, style);
-		if (strikeout || underline) {
-			try {
-				Class<?> logFontClass = Class.forName("org.eclipse.swt.internal.win32.LOGFONT"); //$NON-NLS-1$
-				Object logFont = FontData.class.getField("data").get(fontData); //$NON-NLS-1$
-				if (logFont != null && logFontClass != null) {
-					if (strikeout) {
-							logFontClass.getField("lfStrikeOut").set(logFont, new Byte((byte) 1)); //$NON-NLS-1$
-						}
-					if (underline) {
-							logFontClass.getField("lfUnderline").set(logFont, new Byte((byte) 1)); //$NON-NLS-1$
-						}
-				}
-			} catch (Throwable e) {
-				System.err.println(
-					"Unable to set underline or strikeout" + " (probably on a non-Windows platform). " + e); //$NON-NLS-1$ //$NON-NLS-2$
-			}
-		}
-		font = new Font(Display.getCurrent(), fontData);
-		m_FontMap.put(fontName, font);
-        }
-		return font;
-	}
-
-
-    /**
-     * Return a bold version of the give font
-     * @param baseFont Font The font for whoch a bold version is desired
-     * @return Font The bold version of the give font
-     */
-    public static Font getBoldFont(Font baseFont) {
-        Font font = m_FontToBoldFontMap.get(baseFont);
-        if (font == null) {
-            FontData fontDatas[] = baseFont.getFontData();
-            FontData data = fontDatas[0];
-            font = new Font(Display.getCurrent(), data.getName(), data.getHeight(), SWT.BOLD);
-            m_FontToBoldFontMap.put(baseFont, font);
-        }
-        return font;
-    }
-
-    /**
-     * Dispose all of the cached fonts
-     */
-    public static void disposeFonts() {
-		// clear fonts
-        for (Iterator<Font> iter = m_FontMap.values().iterator(); iter.hasNext();)
-             iter.next().dispose();
-        m_FontMap.clear();
-		// clear bold fonts
-        for (Iterator<Font> iter = m_FontToBoldFontMap.values().iterator(); iter.hasNext();)
-		iter.next().dispose();
-        m_FontToBoldFontMap.clear();
-    }
-
-	//////////////////////////////
-    // CoolBar support
-    //////////////////////////////
-
-    /**
-     * Fix the layout of the specified CoolBar
-     * @param bar CoolBar The CoolBar that shgoud be fixed
-     */
-    public static void fixCoolBarSize(CoolBar bar) {
-        CoolItem[] items = bar.getItems();
-        // ensure that each item has control (at least empty one)
-        for (int i = 0; i < items.length; i++) {
-            CoolItem item = items[i];
-            if (item.getControl() == null)
-                item.setControl(new Canvas(bar, SWT.NONE) {
-                @Override
-				public Point computeSize(int wHint, int hHint, boolean changed) {
-                    return new Point(20, 20);
-                }
-            });
-        }
-        // compute size for each item
-        for (int i = 0; i < items.length; i++) {
-            CoolItem item = items[i];
-            Control control = item.getControl();
-            control.pack();
-            Point size = control.getSize();
-            item.setSize(item.computeSize(size.x, size.y));
-        }
-    }
-
-    //////////////////////////////
-    // Cursor support
-    //////////////////////////////
-
-    /**
-     * Maps IDs to cursors
-     */
-    private static HashMap<Integer, Cursor> m_IdToCursorMap = new HashMap<Integer, Cursor>();
-
-    /**
-     * Returns the system cursor matching the specific ID
-     * @param id int The ID value for the cursor
-     * @return Cursor The system cursor matching the specific ID
-     */
-    public static Cursor getCursor(int id) {
-        Integer key = new Integer(id);
-        Cursor cursor = m_IdToCursorMap.get(key);
-        if (cursor == null) {
-            cursor = new Cursor(Display.getDefault(), id);
-            m_IdToCursorMap.put(key, cursor);
-        }
-        return cursor;
-    }
-
-    /**
-     * Dispose all of the cached cursors
-     */
-    public static void disposeCursors() {
-        for (Iterator<Cursor> iter = m_IdToCursorMap.values().iterator(); iter.hasNext();)
-             iter.next().dispose();
-        m_IdToCursorMap.clear();
-    }
-}
\ No newline at end of file
diff --git a/org.eclipse.ote.ui.message/src/org/eclipse/ote/ui/message/tree/WatchedMessageNode.java b/org.eclipse.ote.ui.message/src/org/eclipse/ote/ui/message/tree/WatchedMessageNode.java
index 6fc7647..0727ef9 100644
--- a/org.eclipse.ote.ui.message/src/org/eclipse/ote/ui/message/tree/WatchedMessageNode.java
+++ b/org.eclipse.ote.ui.message/src/org/eclipse/ote/ui/message/tree/WatchedMessageNode.java
@@ -19,12 +19,13 @@
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.atomic.AtomicLong;
+
 import org.eclipse.nebula.widgets.xviewer.core.model.XViewerColumn;
+import org.eclipse.osee.framework.ui.swt.Displays;
 import org.eclipse.osee.ote.client.msg.core.IMessageSubscription;
 import org.eclipse.osee.ote.message.commands.RecordCommand.MessageRecordDetails;
 import org.eclipse.osee.ote.message.enums.DataType;
 import org.eclipse.osee.ote.message.tool.MessageMode;
-import org.eclipse.ote.ui.message.internal.SWTResourceManager;
 import org.eclipse.ote.ui.message.internal.WatchImages;
 import org.eclipse.ote.ui.message.messageXViewer.MessageXViewerFactory;
 import org.eclipse.ote.ui.message.watch.ElementPath;
@@ -201,7 +202,7 @@
       
       boolean isWriter = subscription.getMessageMode() == MessageMode.WRITER;
       if( isWriter) {
-         return SWTResourceManager.getColor(WatchView.COLOR_GOLDENROD);
+         return Displays.getColor(WatchView.COLOR_GOLDENROD.red, WatchView.COLOR_GOLDENROD.green, WatchView.COLOR_GOLDENROD.blue);
       } 
       return null;
    }
diff --git a/org.eclipse.ote.ui.message/src/org/eclipse/ote/ui/message/watch/WatchView.java b/org.eclipse.ote.ui.message/src/org/eclipse/ote/ui/message/watch/WatchView.java
index de0f963..3ceb12d 100644
--- a/org.eclipse.ote.ui.message/src/org/eclipse/ote/ui/message/watch/WatchView.java
+++ b/org.eclipse.ote.ui.message/src/org/eclipse/ote/ui/message/watch/WatchView.java
@@ -17,10 +17,10 @@
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Map;
-import java.util.concurrent.Executor;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.logging.Level;
+
 import org.eclipse.core.runtime.jobs.Job;
 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.action.IMenuListener;
@@ -58,7 +58,6 @@
 import org.eclipse.osee.ote.service.IOteClientService;
 import org.eclipse.osee.ote.service.ITestConnectionListener;
 import org.eclipse.ote.ui.message.internal.Activator;
-import org.eclipse.ote.ui.message.internal.SWTResourceManager;
 import org.eclipse.ote.ui.message.internal.WatchImages;
 import org.eclipse.ote.ui.message.messageXViewer.MessageXViewer;
 import org.eclipse.ote.ui.message.tree.AbstractTreeNode;
@@ -498,7 +497,7 @@
 
             GC gc = event.gc;               
             Color oldForeground = gc.getForeground();
-            Color oldBackground = SWTResourceManager.getColor(202,225,255);
+            Color oldBackground = Displays.getColor(202,225,255);
 
             final IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
             final AbstractTreeNode node = findElementMatching(selection, data);
@@ -536,7 +535,7 @@
       }
       msgServiceTracker.close();
       Activator.getDefault().getOteClientService().removeConnectionListener(WatchView.this);
-      SWTResourceManager.dispose();
+      statusTxt.dispose();
       super.dispose();
    }
 
@@ -1054,10 +1053,10 @@
 
       if(writerIsPresent) {
          text += ", WRITERS ARE PRESENT";
-         statusTxt.setBackground(SWTResourceManager.getColor(COLOR_GOLDENROD));
+         statusTxt.setBackground(Displays.getColor(WatchView.COLOR_GOLDENROD.red, WatchView.COLOR_GOLDENROD.green, WatchView.COLOR_GOLDENROD.blue));
       } else {
          text += ", no writers present";
-         statusTxt.setBackground(SWTResourceManager.getColor(SWT.COLOR_WIDGET_BACKGROUND));
+         statusTxt.setBackground(Displays.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
       }
 
       statusTxt.setText(text);