Examples with FindComponentByIdVisitor com.github.bordertech.wcomponents.util.visitor.FindComponentByIdVisitor used on opensource projects

Example 1 with FindComponentByIdVisitor

use of com.github.bordertech.wcomponents.util.visitor.FindComponentByIdVisitor in project wcomponents by BorderTech.

the class TreeUtil method getComponentWithContextForId.

/**
 * Retrieves the context for the component with the given Id.
 *
 * @param root the root component to search from.
 * @param id the id to search for.
 * @param visibleOnly true if process visible only
 * @return the context for the component with the given id, or null if not found.
 */
public static ComponentWithContext getComponentWithContextForId(final WComponent root, final String id, final boolean visibleOnly) {
    FindComponentByIdVisitor visitor = new FindComponentByIdVisitor(id);
    doTraverse(root, visibleOnly, visitor);
    return visitor.getResult();
}

Example 2 with FindComponentByIdVisitor

use of com.github.bordertech.wcomponents.util.visitor.FindComponentByIdVisitor in project wcomponents by BorderTech.

the class TreeUtil method getClosestContextForId.

/**
 * Retrieves the closest context for the component with the given Id.
 *
 * @param root the root component to search from.
 * @param id the id to search for.
 * @param visibleOnly true if process visible only
 * @return the closest context for the component with the given id, or null if not found.
 */
public static UIContext getClosestContextForId(final WComponent root, final String id, final boolean visibleOnly) {
    FindComponentByIdVisitor visitor = new FindComponentByIdVisitor(id) {

        @Override
        public VisitorResult visit(final WComponent comp) {
            VisitorResult result = super.visit(comp);
            if (result == VisitorResult.CONTINUE) {
                // Save closest UIC as processing tree
                setResult(new ComponentWithContext(comp, UIContextHolder.getCurrent()));
            }
            return result;
        }
    };
    doTraverse(root, visibleOnly, visitor);
    return visitor.getResult() == null ? null : visitor.getResult().getContext();
}

Example 3 with FindComponentByIdVisitor

use of com.github.bordertech.wcomponents.util.visitor.FindComponentByIdVisitor in project wcomponents by BorderTech.

the class TreeUtil method isIdFocusable.

/**
 * Check if this ID is focusable.
 * <p>
 * Considered focusable if the component and all its ancestors are visible and not hidden.
 * </p>
 *
 * @param root the root component to search from.
 * @param id the id to search for.
 * @return the component with context if it is focusable, otherwise null
 */
public static boolean isIdFocusable(final WComponent root, final String id) {
    FindComponentByIdVisitor visitor = new FindComponentByIdVisitor(id) {

        @Override
        public VisitorResult visit(final WComponent comp) {
            VisitorResult result = super.visit(comp);
            // If hidden then abort branch
            if (result == VisitorResult.CONTINUE && comp.isHidden()) {
                return VisitorResult.ABORT_BRANCH;
            }
            return result;
        }
    };
    // Only traverse visible
    doTraverse(root, true, visitor);
    // Check if matching component is hidden
    ComponentWithContext result = visitor.getResult();
    return result == null ? false : !result.getComponent().isHidden();
}