Examples with VerifyingCompoundCommand org.knime.workbench.editor2.commands.VerifyingCompoundCommand used on opensource projects

Example 1 with VerifyingCompoundCommand

use of org.knime.workbench.editor2.commands.VerifyingCompoundCommand in project knime-core by knime.

the class NodeConnectionContainerDeleteAction method createDeleteCommand.

/**
 * Create one command to remove the selected objects.
 *
 * @param objects The objects to be deleted.
 * @return The command to remove the selected objects.
 */
@Override
public Command createDeleteCommand(final List objects) {
    if (objects.isEmpty()) {
        return null;
    }
    if (!(objects.get(0) instanceof EditPart)) {
        return null;
    }
    VerifyingCompoundCommand compoundCmd = new VerifyingCompoundCommand(GEFMessages.DeleteAction_ActionDeleteCommandName);
    // will contain nodes -- just used for marking
    NodeContainerEditPart[] nodeParts = AbstractNodeAction.filterObjects(NodeContainerEditPart.class, objects);
    Optional<WorkflowManager> manager = ((WorkflowEditor) getWorkbenchPart()).getWorkflowManager();
    if (manager.isPresent()) {
        DeleteCommand cmd = new DeleteCommand(objects, manager.get());
        int nodeCount = cmd.getNodeCount();
        int connCount = cmd.getConnectionCount();
        int annoCount = cmd.getAnnotationCount();
        StringBuilder dialogText = new StringBuilder("Do you really want to delete ");
        if (nodeCount > 0) {
            dialogText.append(nodeCount).append(" node");
            dialogText.append(nodeCount > 1 ? "s" : "");
            if (annoCount > 0 && connCount > 0) {
                dialogText.append(" , ");
            } else if (annoCount > 0 || connCount > 0) {
                dialogText.append(" and ");
            }
        }
        if (connCount > 0) {
            dialogText.append(connCount).append(" connection");
            dialogText.append(connCount > 1 ? "s" : "");
            dialogText.append(annoCount > 0 ? " and " : "");
        }
        if (annoCount > 0) {
            dialogText.append(annoCount).append(" annotation");
            dialogText.append(annoCount > 1 ? "s" : "");
        }
        dialogText.append("?");
        compoundCmd.setDialogDisplayText(dialogText.toString());
        // set the parts into the compound command (for unmarking after cancel)
        compoundCmd.setNodeParts(Arrays.asList(nodeParts));
        compoundCmd.add(cmd);
    }
    return compoundCmd;
}