Examples with AbstractCanvasHandler org.kie.workbench.common.stunner.core.client.canvas.AbstractCanvasHandler used on opensource projects

Example 31 with AbstractCanvasHandler

use of org.kie.workbench.common.stunner.core.client.canvas.AbstractCanvasHandler in project kie-wb-common by kiegroup.

the class DeleteSelectionSessionCommand method execute.

@Override
@SuppressWarnings("unchecked")
public <V> void execute(final Callback<V> callback) {
    checkNotNull("callback", callback);
    if (null != getSession().getSelectionControl()) {
        final AbstractCanvasHandler canvasHandler = (AbstractCanvasHandler) getSession().getCanvasHandler();
        final SelectionControl<AbstractCanvasHandler, Element> selectionControl = getSession().getSelectionControl();
        final Collection<String> selectedItems = selectionControl.getSelectedItems();
        if (selectedItems != null && !selectedItems.isEmpty()) {
            // Execute the commands.
            final CommandResult<CanvasViolation> result = sessionCommandManager.execute(canvasHandler, canvasCommandFactory.delete(selectedItems.stream().map(uuid -> canvasHandler.getGraphIndex().get(uuid)).collect(Collectors.toList())));
            // Check the results.
            if (!CommandUtils.isError(result)) {
                callback.onSuccess();
            } else {
                callback.onError((V) new ClientRuntimeError("Error deleing elements [message=" + result.toString() + "]"));
            }
        } else {
            callback.onError((V) new ClientRuntimeError("Cannot delete element, no element selected on canvas"));
        }
        selectionControl.clearSelection();
        clearSelectionEvent.fire(new CanvasClearSelectionEvent(getCanvasHandler()));
    }
}

Example 32 with AbstractCanvasHandler

use of org.kie.workbench.common.stunner.core.client.canvas.AbstractCanvasHandler in project kie-wb-common by kiegroup.

the class PasteSelectionSessionCommand method processConnectors.

private CommandResult<CanvasViolation> processConnectors(Counter processedNodesCountdown) {
    if (processedNodesCountdown.equalsToValue(0)) {
        final CompositeCommand.Builder<AbstractCanvasHandler, CanvasViolation> commandBuilder = createCommandBuilder();
        commandBuilder.addCommands(clipboardControl.getElements().stream().filter(element -> element instanceof Edge).filter(Objects::nonNull).map(edge -> (Edge) edge).filter(edge -> Objects.nonNull(edge.getSourceNode()) && Objects.nonNull(clonedElements.get(edge.getSourceNode().getUUID())) && Objects.nonNull(edge.getTargetNode()) && Objects.nonNull(clonedElements.get(edge.getTargetNode().getUUID()))).map(edge -> canvasCommandFactory.cloneConnector(edge, clonedElements.get(edge.getSourceNode().getUUID()), clonedElements.get(edge.getTargetNode().getUUID()), getCanvasHandler().getDiagram().getMetadata().getShapeSetId(), cloneEdgeCallback(edge))).collect(Collectors.toList()));
        return sessionCommandManager.execute(getCanvasHandler(), commandBuilder.build());
    }
    return new CanvasCommandResultBuilder().build();
}

Example 33 with AbstractCanvasHandler

use of org.kie.workbench.common.stunner.core.client.canvas.AbstractCanvasHandler in project kie-wb-common by kiegroup.

the class PasteSelectionSessionCommand method execute.

@Override
public <V> void execute(final Callback<V> callback) {
    checkNotNull("callback", callback);
    if (clipboardControl.hasElements()) {
        final CompositeCommand.Builder<AbstractCanvasHandler, CanvasViolation> nodesCommandBuilder = createCommandBuilder();
        Counter processedNodesCountdown = new Counter((int) clipboardControl.getElements().stream().filter(element -> element instanceof Node).count());
        // first processing nodes
        nodesCommandBuilder.addCommands(clipboardControl.getElements().stream().filter(element -> element instanceof Node).filter(Objects::nonNull).map(node -> (Node<View<?>, Edge>) node).map(node -> {
            String newParentUUID = getNewParentUUID(node);
            return canvasCommandFactory.cloneNode(node, newParentUUID, calculateNewLocation(node, newParentUUID), cloneNodeCallback(node, processedNodesCountdown));
        }).collect(Collectors.toList()));
        if (Objects.equals(nodesCommandBuilder.size(), 0)) {
            return;
        }
        // Execute the command for cloning nodes
        CommandResult<CanvasViolation> finalResult;
        if (wasNodesDeletedFromGraph()) {
            // in case of a cut command the source elements were deleted from graph, so first undo the command to take node back into canvas
            clipboardControl.getRollbackCommands().forEach(command -> command.undo(getCanvasHandler()));
            finalResult = executeCommands(nodesCommandBuilder, processedNodesCountdown);
            // after the clone execution than delete source elements again
            clipboardControl.getRollbackCommands().forEach(command -> command.execute(getCanvasHandler()));
        } else {
            // if elements are still on the graph, in case copy command, just execute the clone commands
            finalResult = executeCommands(nodesCommandBuilder, processedNodesCountdown);
        }
        if (CommandUtils.isError(finalResult)) {
            LOGGER.severe("Error pasting selection." + getCanvasViolations(finalResult));
            return;
        }
        fireSelectedElementEvent();
        callback.onSuccess();
        clear();
        // copy the cloned node to the clipboard to allow pasting several times
        copySelectionSessionCommand.execute();
    }
}

Example 34 with AbstractCanvasHandler

use of org.kie.workbench.common.stunner.core.client.canvas.AbstractCanvasHandler in project kie-wb-common by kiegroup.

the class ValidateSessionCommand method execute.

@Override
@SuppressWarnings("unchecked")
public <V> void execute(final Callback<V> callback) {
    checkNotNull("callback", callback);
    final AbstractCanvasHandler canvasHandler = getSession().getCanvasHandler();
    validator.validate(canvasHandler, elementViolations -> fireCallback(elementViolations, callback));
}

Example 35 with AbstractCanvasHandler

use of org.kie.workbench.common.stunner.core.client.canvas.AbstractCanvasHandler in project kie-wb-common by kiegroup.

the class CloneConnectorCommandTest method newCanvasCommand.

@Test
@SuppressWarnings("unchecked")
public void newCanvasCommand() {
    Command<AbstractCanvasHandler, CanvasViolation> command = cloneConnectorCommand.newCanvasCommand(context);
    assertTrue(command instanceof CompositeCommand);
    Consumer<Edge> cloneCallback = cloneConnectorCommand.getCloneCallback();
    cloneCallback.accept(clone);
    CompositeCommand compositeCommand = (CompositeCommand) command;
    assertTrue(compositeCommand.getCommands().stream().anyMatch(c -> c instanceof AddCanvasConnectorCommand));
    assertEquals(((AddCanvasConnectorCommand) compositeCommand.getCommands().stream().filter(c -> c instanceof AddCanvasConnectorCommand).findFirst().get()).getCandidate(), clone);
    assertTrue(compositeCommand.getCommands().stream().anyMatch(c -> c instanceof SetCanvasConnectionCommand));
    assertEquals(((SetCanvasConnectionCommand) compositeCommand.getCommands().stream().filter(c -> c instanceof SetCanvasConnectionCommand).findFirst().get()).getEdge(), clone);
}