/**
* Return the default draw2D dimension according to the specified DNode.
*
* @return the default draw2D dimension according to the specified DNode.
*/
public Dimension getDefaultDimension() {
final Dimension result = DEFAULT_NODE_DIMENSION.getCopy();
if (node.getStyle() instanceof WorkspaceImage) {
final WorkspaceImage workspaceImage = (WorkspaceImage) node.getStyle();
final String path = workspaceImage.getWorkspacePath();
final Image image;
image = WorkspaceImageFigure.getImageInstanceFromPath(path);
if (image != null) {
// Use default image size
if (node.getWidth() == null || Integer.valueOf(node.getWidth()) == -1) {
result.width = image.getBounds().width;
result.height = image.getBounds().height;
} else {
// width is already defined, adapt height thanks to
// image ratio
final double ratio = (double) image.getBounds().width / image.getBounds().height;
double newHeight = node.getWidth().intValue() / ratio;
// Adapt to draw2D
result.width = node.getWidth().intValue() * LayoutUtils.SCALE;
result.height = (int) (newHeight * LayoutUtils.SCALE);
}
}
} else {
if (node.getWidth() != null) {
result.width = node.getWidth().intValue();
}
if (node.getHeight() != null) {
result.height = node.getHeight().intValue();
}
// Adapt to draw2D
result.width = result.width * LayoutUtils.SCALE;
result.height = result.height * LayoutUtils.SCALE;
}
return result;
}
/**
* Clear cache if necessary and return true if a refresh of figure of opened editors must be done,
* false otherwise.
*
* @param delta , resource delta
* @return boolean
*/
private boolean needClearCache(IResource resource) {
boolean cacheUpdated = false;
String resourceExtension = resource.getFileExtension();
if (WorkspaceImageFigure.isSvgImage(resourceExtension)) {
String svgUri = resource.getFullPath().toString();
Option<String> removed = SVGWorkspaceImageFigure.removeFromCache(svgUri);
if (removed.some()) {
cacheUpdated = true;
}
} else {
URL url;
try {
url =
new File(
ResourcesPlugin.getWorkspace()
.getRoot()
.getLocation()
.append(resource.getFullPath())
.toOSString())
.toURI()
.toURL();
} catch (MalformedURLException e) {
DiagramPlugin.getDefault().logError("Invalid uri : " + e.getMessage());
return false;
}
ImageDescriptor bundledImageDescriptor = ImageDescriptor.createFromURL(url);
boolean removed = DiagramUIPlugin.getPlugin().removeCacheImage(bundledImageDescriptor);
// If a removed cache action is do, a refresh opened editors
// is
// required
if (removed) {
cacheUpdated = true;
}
}
return cacheUpdated;
}