/**
* The constructor
*
* @param parent
* @param theDomain
* @param theCurrentResource
* @param defaultName
*/
public ControlResourceDialog(
Shell parent, EditingDomain theDomain, Resource theCurrentResource, String defaultName) {
super(parent, EMFEditUIPlugin.INSTANCE.getString("_UI_ControlDialog_title"), SWT.SAVE);
this.domain = theDomain;
this.currentResource = theCurrentResource;
this.defaultName = defaultName;
}
public LoadResourceDialog(Shell parent, EditingDomain domain) {
super(
parent,
EMFEditUIPlugin.INSTANCE.getString("_UI_LoadResourceDialog_title"),
SWT.OPEN | SWT.MULTI,
getContextURI(domain));
this.domain = domain;
}
@Override
protected boolean processResources() {
if (domain != null) {
for (URI uri : getURIs()) {
try {
if (!processResource(domain.getResourceSet().getResource(uri, true))) {
return false;
}
} catch (RuntimeException exception) {
EMFEditUIPlugin.INSTANCE.log(exception);
}
}
}
return true;
}
public LoadResourceAction() {
super(EMFEditUIPlugin.INSTANCE.getString("_UI_LoadResource_menu_item"));
setDescription(EMFEditUIPlugin.INSTANCE.getString("_UI_LoadResource_menu_item_description"));
}
/**
* Creates and, if it already exists, loads the specified resource. This implementation verifies
* that a resource can be opened for that URI, that the resource is not the object's current
* container, and that it is not read-only in the editing domain. If there is an existing resource
* with that URI, it prompts before overriding or adding to it.
*
* @see org.eclipse.emf.common.ui.dialogs.ResourceDialog#processResources()
*/
protected boolean processResources() {
URI uri = URI.createURI(getURIText());
ResourceSet resourceSet = domain.getResourceSet();
Resource resource = resourceSet.getResource(uri, false);
boolean resourceInSet = resource != null;
if (resource == currentResource) {
MessageDialog.openError(
getShell(),
EMFEditUIPlugin.INSTANCE.getString("_UI_InvalidURI_label"),
EMFEditUIPlugin.INSTANCE.getString("_WARN_AlreadyInResource"));
return false;
}
if (domain.isReadOnly(resource)) {
MessageDialog.openError(
getShell(),
EMFEditUIPlugin.INSTANCE.getString("_UI_InvalidURI_label"),
EMFEditUIPlugin.INSTANCE.getString("_WARN_ReadOnlyResource"));
return false;
}
boolean resourceExists = false;
try {
InputStream stream = resourceSet.getURIConverter().createInputStream(uri);
if (stream != null) {
resourceExists = true;
stream.close();
}
} catch (IOException exception) {
// Do nothing
}
boolean resourceBad = false;
if (!resourceInSet) {
resource = resourceSet.createResource(uri);
if (resource == null) {
MessageDialog.openError(
getShell(),
EMFEditUIPlugin.INSTANCE.getString("_UI_InvalidURI_label"),
EMFEditUIPlugin.INSTANCE.getString("_WARN_CannotCreateResource"));
return false;
}
if (resourceExists) {
try {
resource = resourceSet.getResource(uri, true);
} catch (RuntimeException exception) {
EMFEditUIPlugin.INSTANCE.log(exception);
resourceBad = resource.getContents().isEmpty();
}
}
}
boolean result = true;
if (resourceBad) {
result =
MessageDialog.openQuestion(
getShell(),
EMFEditUIPlugin.INSTANCE.getString("_UI_ExistingResource_label"),
EMFEditUIPlugin.INSTANCE.getString("_WARN_ReplaceResource"));
} else if (resourceExists) {
result =
MessageDialog.openQuestion(
getShell(),
EMFEditUIPlugin.INSTANCE.getString("_UI_ExistingResource_label"),
EMFEditUIPlugin.INSTANCE.getString("_WARN_AddToResource"));
}
if (!result && !resourceInSet) {
resource.unload();
resourceSet.getResources().remove(resource);
} else {
this.controlResource = resource;
}
return result;
}