public boolean checkCanRemove(final List<? extends PackagingElementNode<?>> nodes) {
Set<PackagingNodeSource> rootSources = new HashSet<PackagingNodeSource>();
for (PackagingElementNode<?> node : nodes) {
rootSources.addAll(getRootNodeSources(node.getNodeSources()));
}
if (!rootSources.isEmpty()) {
final String message;
if (rootSources.size() == 1) {
final String name = rootSources.iterator().next().getPresentableName();
message =
"The selected node belongs to '"
+ name
+ "' element. Do you want to remove the whole '"
+ name
+ "' element from the artifact?";
} else {
message =
"The selected node belongs to "
+ nodes.size()
+ " elements. Do you want to remove all these elements from the artifact?";
}
final int answer =
Messages.showYesNoDialog(
myArtifactsEditor.getMainComponent(), message, "Remove Elements", null);
if (answer != Messages.YES) return false;
}
return true;
}
public boolean checkCanModify(final Collection<PackagingNodeSource> nodeSources) {
if (nodeSources.isEmpty()) {
return true;
}
if (nodeSources.size() > 1) {
Messages.showErrorDialog(
myArtifactsEditor.getMainComponent(),
"The selected node consist of several elements so it cannot be edited.\nSwitch off 'Show content of elements' checkbox to edit the output layout.");
} else {
final PackagingNodeSource source = ContainerUtil.getFirstItem(nodeSources, null);
if (source != null) {
Messages.showErrorDialog(
myArtifactsEditor.getMainComponent(),
"The selected node belongs to '"
+ source.getPresentableName()
+ "' element so it cannot be edited.\nSwitch off 'Show content of elements' checkbox to edit the output layout.");
}
}
return false;
}