/**
* Create an image descriptor for the given image property in the text.properties file.
*
* @param propertyName
* @return
*/
public static ImageDescriptor getDescriptor(String propertyName) {
try {
if (propertyName == null) {
return null;
}
// get image path
String path = Messages.getString(propertyName);
if (path == null || path.trim().length() == 0) {
SqlBuilderPlugin.log(
Messages.getString("ImageUtil.logMessage2", propertyName), null); // $NON-NLS-1$
return null;
}
// create image
URL url = URLUtil.getResourceURL(path);
return ImageDescriptor.createFromURL(url);
} catch (Exception e) {
SqlBuilderPlugin.log(
Messages.getString("ImageUtil.logMessage3", propertyName), e); // $NON-NLS-1$
return null;
}
}
/**
* Dispose of an image in cache. Once there are no more open handles to the image it will be
* disposed of.
*/
@SuppressWarnings("unchecked") // $NON-NLS-1$
public static void disposeImage(String propertyName) {
try {
Image image = (Image) pimages.get(propertyName);
if (image == null) {
return;
}
image.dispose();
pimages.remove(propertyName);
// decrease image handle count by one
Integer handleCount = (Integer) pimageCount.get(propertyName);
if (handleCount == null) {
handleCount = new Integer(0);
} else {
handleCount = new Integer(handleCount.intValue() - 1);
}
pimageCount.put(propertyName, handleCount);
} catch (Throwable e) {
SqlBuilderPlugin.log(Messages.getString("ImageUtil.logMessage1"), e); // $NON-NLS-1$
}
}
public static ImageDescriptor getFragmentDescriptor(String fragmentId, String path) {
try {
if (path == null || path.trim().length() == 0) {
return null;
}
// create image
URL url = URLUtil.getFragmentResourceURL(fragmentId, path);
return ImageDescriptor.createFromURL(url);
} catch (Exception e) {
SqlBuilderPlugin.log(
Messages.getString("ImageUtil.logMessage3") + fragmentId + ": " + path,
e); //$NON-NLS-1$ //$NON-NLS-2$
return null;
}
}
