Examples with TreeItem org.eclipse.sirius.components.trees.TreeItem used on opensource projects

Example 1 with TreeItem

use of org.eclipse.sirius.components.trees.TreeItem in project sirius-components by eclipse-sirius.

the class DeleteTreeItemEventHandler method handle.

@Override
public void handle(One<IPayload> payloadSink, Many<ChangeDescription> changeDescriptionSink, IEditingContext editingContext, Tree tree, ITreeInput treeInput) {
    this.counter.increment();
    String message = this.messageService.invalidInput(treeInput.getClass().getSimpleName(), DeleteTreeItemInput.class.getSimpleName());
    IPayload payload = new ErrorPayload(treeInput.getId(), message);
    ChangeDescription changeDescription = new ChangeDescription(ChangeKind.NOTHING, treeInput.getRepresentationId(), treeInput);
    if (treeInput instanceof DeleteTreeItemInput) {
        DeleteTreeItemInput input = (DeleteTreeItemInput) treeInput;
        var optionalTreeItem = this.treeQueryService.findTreeItem(tree, input.getTreeItemId());
        if (optionalTreeItem.isPresent()) {
            TreeDescription treeDescription = this.explorerDescriptionProvider.getDescription();
            TreeItem treeItem = optionalTreeItem.get();
            VariableManager variableManager = new VariableManager();
            variableManager.put(IEditingContext.EDITING_CONTEXT, editingContext);
            variableManager.put(TreeItem.SELECTED_TREE_ITEM, treeItem);
            var status = treeDescription.getDeleteHandler().apply(variableManager);
            if (status instanceof Success) {
                Success success = (Success) status;
                changeDescription = new ChangeDescription(success.getChangeKind(), treeInput.getRepresentationId(), treeInput, success.getParameters());
                payload = new DeleteTreeItemSuccessPayload(treeInput.getId());
            } else if (status instanceof Failure) {
                payload = new ErrorPayload(treeInput.getId(), ((Failure) status).getMessage());
            }
        }
    }
    changeDescriptionSink.tryEmitNext(changeDescription);
    payloadSink.tryEmitValue(payload);
}

Example 2 with TreeItem

use of org.eclipse.sirius.components.trees.TreeItem in project sirius-components by eclipse-sirius.

the class RenameTreeItemEventHandler method handle.

@Override
public void handle(One<IPayload> payloadSink, Many<ChangeDescription> changeDescriptionSink, IEditingContext editingContext, Tree tree, ITreeInput treeInput) {
    this.counter.increment();
    String message = this.messageService.invalidInput(treeInput.getClass().getSimpleName(), DeleteTreeItemInput.class.getSimpleName());
    IPayload payload = new ErrorPayload(treeInput.getId(), message);
    ChangeDescription changeDescription = new ChangeDescription(ChangeKind.NOTHING, treeInput.getRepresentationId(), treeInput);
    if (treeInput instanceof RenameTreeItemInput) {
        RenameTreeItemInput input = (RenameTreeItemInput) treeInput;
        var optionalTreeItem = this.treeQueryService.findTreeItem(tree, input.getTreeItemId());
        if (optionalTreeItem.isPresent()) {
            TreeDescription treeDescription = this.explorerDescriptionProvider.getDescription();
            TreeItem treeItem = optionalTreeItem.get();
            VariableManager variableManager = new VariableManager();
            variableManager.put(IEditingContext.EDITING_CONTEXT, editingContext);
            variableManager.put(TreeItem.SELECTED_TREE_ITEM, treeItem);
            var status = treeDescription.getRenameHandler().apply(variableManager, input.getNewLabel());
            if (status instanceof Success) {
                Success success = (Success) status;
                changeDescription = new ChangeDescription(success.getChangeKind(), treeInput.getRepresentationId(), treeInput, success.getParameters());
                payload = new RenameTreeItemSuccessPayload(treeInput.getId());
            } else if (status instanceof Failure) {
                payload = new ErrorPayload(treeInput.getId(), ((Failure) status).getMessage());
            }
        }
    }
    changeDescriptionSink.tryEmitNext(changeDescription);
    payloadSink.tryEmitValue(payload);
}

Example 3 with TreeItem

use of org.eclipse.sirius.components.trees.TreeItem in project sirius-web by eclipse-sirius.

the class DeleteDocumentTreeItemEventHandler method handle.

@Override
public IStatus handle(IEditingContext editingContext, TreeItem treeItem) {
    // @formatter:off
    var optionalEditingDomain = Optional.of(editingContext).filter(EditingContext.class::isInstance).map(EditingContext.class::cast).map(EditingContext::getDomain);
    // @formatter:on
    var optionalDocumentEntity = new IDParser().parse(treeItem.getId()).flatMap(this.documentRepository::findById);
    if (optionalEditingDomain.isPresent() && optionalDocumentEntity.isPresent()) {
        AdapterFactoryEditingDomain editingDomain = optionalEditingDomain.get();
        DocumentEntity documentEntity = optionalDocumentEntity.get();
        ResourceSet resourceSet = editingDomain.getResourceSet();
        URI uri = URI.createURI(documentEntity.getId().toString());
        // @formatter:off
        List<Resource> resourcesToDelete = resourceSet.getResources().stream().filter(resource -> resource.getURI().equals(uri)).collect(Collectors.toUnmodifiableList());
        resourcesToDelete.stream().forEach(resourceSet.getResources()::remove);
        // @formatter:on
        this.documentRepository.delete(documentEntity);
        return new Success(ChangeKind.SEMANTIC_CHANGE, Map.of());
    }
    // $NON-NLS-1$
    return new Failure("");
}

Example 4 with TreeItem

use of org.eclipse.sirius.components.trees.TreeItem in project sirius-web by eclipse-sirius.

the class ExplorerDescriptionProvider method getDeleteHandler.

private IStatus getDeleteHandler(VariableManager variableManager) {
    var optionalEditingContext = variableManager.get(IEditingContext.EDITING_CONTEXT, IEditingContext.class);
    var optionalTreeItem = variableManager.get(TreeItem.SELECTED_TREE_ITEM, TreeItem.class);
    if (optionalEditingContext.isPresent() && optionalTreeItem.isPresent()) {
        IEditingContext editingContext = optionalEditingContext.get();
        TreeItem treeItem = optionalTreeItem.get();
        // @formatter:off
        var optionalHandler = this.deleteTreeItemHandlers.stream().filter(handler -> handler.canHandle(editingContext, treeItem)).findFirst();
        if (optionalHandler.isPresent()) {
            IDeleteTreeItemHandler deleteTreeItemHandler = optionalHandler.get();
            return deleteTreeItemHandler.handle(editingContext, treeItem);
        }
    }
    // $NON-NLS-1$
    return new Failure("");
}

Example 5 with TreeItem

use of org.eclipse.sirius.components.trees.TreeItem in project sirius-web by eclipse-sirius.

the class ExplorerDescriptionProvider method getRenameHandler.

private IStatus getRenameHandler(VariableManager variableManager, String newLabel) {
    var optionalEditingContext = variableManager.get(IEditingContext.EDITING_CONTEXT, IEditingContext.class);
    var optionalTreeItem = variableManager.get(TreeItem.SELECTED_TREE_ITEM, TreeItem.class);
    if (optionalEditingContext.isPresent() && optionalTreeItem.isPresent()) {
        IEditingContext editingContext = optionalEditingContext.get();
        TreeItem treeItem = optionalTreeItem.get();
        // @formatter:off
        var optionalHandler = this.renameTreeItemHandlers.stream().filter(handler -> handler.canHandle(editingContext, treeItem, newLabel)).findFirst();
        if (optionalHandler.isPresent()) {
            IRenameTreeItemHandler renameTreeItemHandler = optionalHandler.get();
            return renameTreeItemHandler.handle(editingContext, treeItem, newLabel);
        }
    }
    // $NON-NLS-1$
    return new Failure("");
}