public int[] moveWidget(
final int oldContainerOffset,
final int oldContainerLength,
final int oldContainerIndex,
final int newContainerOffset,
final int newContainerLength,
final int newContainerIndex) {
try {
IEGLFile modelFile = (IEGLFile) EGLCore.create(currentFile);
IEGLFile sharedWorkingCopy =
(IEGLFile) modelFile.getSharedWorkingCopy(null, EGLUI.getBufferFactory(), null);
sharedWorkingCopy.open(null);
sharedWorkingCopy.reconcile(false, null);
try {
final Node oldContainer =
DocumentUtil.getWidgetNode(currentDocument, oldContainerOffset, oldContainerLength);
final Node newContainer =
DocumentUtil.getWidgetNode(currentDocument, newContainerOffset, newContainerLength);
final int newIndex =
calculateNewIndex(oldContainer, newContainer, oldContainerIndex, newContainerIndex);
oldContainer.accept(
new DefaultASTVisitor() {
public boolean visit(Handler handler) {
// Assume this is a RUIHandler
EGLRUIHandlerLocatorStrategy strategy = new EGLRUIHandlerLocatorStrategy(handler);
final Node nodeToMove = strategy.locateIndex(oldContainerIndex);
MoveNodeOperation moveOp =
new MoveNodeOperation(
oldContainerOffset,
oldContainerLength,
oldContainerIndex,
newContainerOffset,
newContainerIndex,
newIndex);
nodeToMove.accept(moveOp);
return false;
}
public boolean visit(final NewExpression newExpression) {
EGLContainerLocatorStrategy strategy =
new EGLContainerLocatorStrategy(oldContainer);
final Node nodeToMove = strategy.locateIndex(oldContainerIndex);
MoveNodeOperation moveOp =
new MoveNodeOperation(
oldContainerOffset,
oldContainerLength,
oldContainerIndex,
newContainerOffset,
newContainerIndex,
newIndex);
nodeToMove.accept(moveOp);
return false;
}
public boolean visit(final SimpleName simpleName) {
EGLContainerLocatorStrategy strategy =
new EGLContainerLocatorStrategy(oldContainer);
final Node nodeToMove = strategy.locateIndex(oldContainerIndex);
MoveNodeOperation moveOp =
new MoveNodeOperation(
oldContainerOffset,
oldContainerLength,
oldContainerIndex,
newContainerOffset,
newContainerIndex,
newIndex);
nodeToMove.accept(moveOp);
return false;
}
});
} catch (Exception e) {
Activator.getDefault()
.getLog()
.log(
new Status(
Status.ERROR,
Activator.PLUGIN_ID,
"Move Widget Reference: Error moving reference",
e));
} finally {
sharedWorkingCopy.destroy();
}
} catch (EGLModelException e) {
Activator.getDefault()
.getLog()
.log(
new Status(
Status.ERROR,
Activator.PLUGIN_ID,
"Move Widget Reference: Error creating working copy",
e));
}
return charactersChanged;
}
