Remove explicit disabled icons from org.eclipse.ui.intro

Use on-the-fly-generated disabled version of SVG-rasterized icons
instead.

Author: HeikoKlare

ua/org.eclipse.ui.intro/src/org/eclipse/ui/internal/intro/impl/model/AbstractIntroPartImplementation.java

@@ -61,8 +61,6 @@ public abstract class AbstractIntroPartImplementation {
 			setToolTipText(Messages.Browser_backwardButton_tooltip);
 			setImageDescriptor(ImageUtil
 				.createImageDescriptor("full/elcl16/backward_nav.svg")); //$NON-NLS-1$
-			setDisabledImageDescriptor(ImageUtil
-				.createImageDescriptor("full/dlcl16/backward_nav.png")); //$NON-NLS-1$
 		}
 
 		@Override
@@ -77,8 +75,6 @@ public void run() {
 			setToolTipText(Messages.Browser_forwardButton_tooltip);
 			setImageDescriptor(ImageUtil
 				.createImageDescriptor("full/elcl16/forward_nav.svg")); //$NON-NLS-1$
-			setDisabledImageDescriptor(ImageUtil
-				.createImageDescriptor("full/dlcl16/forward_nav.png")); //$NON-NLS-1$
 		}
 
 		@Override
@@ -93,8 +89,6 @@ public void run() {
 			setToolTipText(Messages.Browser_homeButton_tooltip);
 			setImageDescriptor(ImageUtil
 				.createImageDescriptor("full/elcl16/home_nav.svg")); //$NON-NLS-1$
-			setDisabledImageDescriptor(ImageUtil
-				.createImageDescriptor("full/dlcl16/home_nav.png")); //$NON-NLS-1$
 		}
 
 		@Override

ua/org.eclipse.ui.intro/src/org/eclipse/ui/internal/intro/impl/presentations/BrowserIntroPartImplementation.java

@@ -87,8 +87,6 @@ private final class ReduceAction extends Action {
 			setToolTipText(Messages.Browser_reduce_tooltip);
 			setImageDescriptor(ImageUtil
 				.createImageDescriptor("full/elcl16/reduce_font.svg")); //$NON-NLS-1$
-			setDisabledImageDescriptor(ImageUtil
-					.createImageDescriptor("full/dlcl16/reduce_font.png")); //$NON-NLS-1$
 			int scalePercent = FontSelection.getScalePercentage();
 			setEnabled(scalePercent > -40);
 		}
@@ -107,8 +105,6 @@ private final class MagnifyAction extends Action {
 			setToolTipText(Messages.Browser_magnify_tooltip);
 			setImageDescriptor(ImageUtil
 				.createImageDescriptor("full/elcl16/magnify_font.svg")); //$NON-NLS-1$
-			setDisabledImageDescriptor(ImageUtil
-					.createImageDescriptor("full/dlcl16/magnify_font.png")); //$NON-NLS-1$
 			int scalePercent = FontSelection.getScalePercentage();
 			setEnabled(scalePercent < 100);
 		}
@@ -454,8 +450,8 @@ private Document resolveDynamicContent(AbstractIntroPage page,
 
 		// get the array version of the nodelist to work around DOM api design.
 		Node[] nodes = ModelUtil.getArray(contentProviders);
-		for (int i = 0; i < nodes.length; i++) {
-			Element contentProviderElement = (Element) nodes[i];
+		for (Node node : nodes) {
+			Element contentProviderElement = (Element) node;
 			IntroContentProvider provider = new IntroContentProvider(
 				contentProviderElement, page.getBundle());
 			provider.setParent(page);
@@ -494,10 +490,10 @@ private Document resolveDynamicContent(AbstractIntroPage page,
 
 	private void reinjectDynamicContent(Document dom,
 			Node[] contentProviderElements) {
-		for (int i = 0; i < contentProviderElements.length; i++) {
+		for (Node contentProviderElement2 : contentProviderElements) {
 			// for each cached contentProvider, find replacement div in DOM and
 			// re-subsitute.
-			Element contentProviderElement = (Element) contentProviderElements[i];
+			Element contentProviderElement = (Element) contentProviderElement2;
 			Element contentProviderDiv = ModelUtil.getElementById(dom,
 				contentProviderElement
 					.getAttribute(IIntroHTMLConstants.ATTRIBUTE_ID),