Examples with TreePath org.eclipse.sirius.components.collaborative.trees.dto.TreePath used on opensource projects

Example 1 with TreePath

use of org.eclipse.sirius.components.collaborative.trees.dto.TreePath in project sirius-components by eclipse-sirius.

the class TreePathEventHandler method handle.

@Override
public void handle(One<IPayload> payloadSink, Many<ChangeDescription> changeDescriptionSink, IEditingContext editingContext, Tree tree, ITreeInput treeInput) {
    IPayload payload = new TreePathSuccessPayload(treeInput.getId(), new TreePath(List.of(), 0));
    ChangeDescription changeDescription = new ChangeDescription(ChangeKind.NOTHING, treeInput.getRepresentationId(), treeInput);
    if (treeInput instanceof TreePathInput) {
        TreePathInput input = (TreePathInput) treeInput;
        Optional<ITreePathProvider> optionalPathProvider = this.treePathProviders.stream().filter(treePathProvider -> treePathProvider.canHandle(tree)).findFirst();
        if (optionalPathProvider.isPresent()) {
            IPayload resultPayload = optionalPathProvider.get().handle(editingContext, tree, input);
            if (resultPayload instanceof TreePathSuccessPayload) {
                payload = resultPayload;
            } else if (resultPayload instanceof ErrorPayload) {
                ErrorPayload errorPayload = (ErrorPayload) resultPayload;
                this.logger.warn(errorPayload.getMessage());
            }
        }
    }
    changeDescriptionSink.tryEmitNext(changeDescription);
    payloadSink.tryEmitValue(payload);
}

Example 2 with TreePath

use of org.eclipse.sirius.components.collaborative.trees.dto.TreePath in project sirius-web by eclipse-sirius.

the class ExplorerTreePathProvider method handle.

@Override
public IPayload handle(IEditingContext editingContext, Tree tree, TreePathInput input) {
    int maxDepth = 0;
    Set<String> allAncestors = new HashSet<>();
    for (String selectionEntryId : input.getSelectionEntryIds()) {
        List<String> itemAncestors = this.getAncestors(editingContext, selectionEntryId);
        allAncestors.addAll(itemAncestors);
        maxDepth = Math.max(maxDepth, itemAncestors.size());
    }
    return new TreePathSuccessPayload(input.getId(), new TreePath(allAncestors.stream().collect(Collectors.toList()), maxDepth));
}