org.zkoss.zk.ui.Desktop.getComponentByUuidIfAny()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中org.zkoss.zk.ui.Desktop.getComponentByUuidIfAny()方法的一些代码示例，展示了Desktop.getComponentByUuidIfAny()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Desktop.getComponentByUuidIfAny()方法的具体详情如下：
包路径：org.zkoss.zk.ui.Desktop
类名称：Desktop
方法名：getComponentByUuidIfAny

Desktop.getComponentByUuidIfAny介绍

[英]Returns the component of the specified UUID ( Component#getUuid), or null if not found.
[中]返回指定UUID的组件（组件#getUuid），如果未找到，则返回null。

代码示例

代码示例来源：origin: org.zkoss.zk/zk

/** Converts the data of the specified request to a set of Component.
 * The data is assumed to contain a list of item ID in the
 * comman-separated format
 *
 * @return a set of components.
 */
@SuppressWarnings("unchecked")
public static <T extends Component> Set<T> convertToItems(Desktop desktop, List<String> uuids) {
  final Set<T> items = new LinkedHashSet<T>();
  if (uuids != null)
    for (String uuid : uuids) {
      final Component item = desktop.getComponentByUuidIfAny(uuid.trim());
      if (item != null)
        items.add((T) item);
      //notice that it might be null (since the items might be
      //removed by the last request)
    }
  return items;
}

代码示例来源：origin: org.zkoss.zk/zk

private String nextUuid(Desktop desktop) {
  for (int count = 0;;) {
    String uuid = ((DesktopCtrl) desktop).getNextUuid(this);
    if (desktop.getComponentByUuidIfAny(uuid) == null)
      return uuid;
    if (++count > 10000)
      throw new UiException(
          "It took too much time to look for unique UUID. Please check the implementation of IdGenerator.");
  }
}

代码示例来源：origin: org.zkoss.zk/zul

/** Returns the component of the specified ID or UUID.
 * ID could be the component's ID or UUID.
 * To specify an UUID, it must be the format: <code>uuid(comp_uuid)</code>.
 * @return the component, or null if not found
 * @since 5.0.4
 */
public static Component getComponentById(Component comp, String id) {
  final int len = id.length();
  if (id.startsWith("uuid(") && id.charAt(len - 1) == ')') {
    Desktop dt = comp.getDesktop();
    if (dt == null) {
      final Execution exec = Executions.getCurrent();
      if (exec == null)
        return null;
      dt = exec.getDesktop();
    }
    return dt != null ? dt.getComponentByUuidIfAny(id.substring(5, len - 1)) : null;
  }
  return comp.getFellowIfAny(id);
}

代码示例来源：origin: org.zkoss.zk/zk

/** Converts an AU request to an open event.
 * @since 5.0.0
 */
public static final OpenEvent getOpenEvent(AuRequest request) {
  final Map<String, Object> data = request.getData();
  return new OpenEvent(request.getCommand(), request.getComponent(), AuRequests.getBoolean(data, "open"),
      request.getDesktop().getComponentByUuidIfAny((String) data.get("reference")), data.get("value"));
}

代码示例来源：origin: org.carewebframework/org.carewebframework.ui.wonderbar

/**
 * Extracts a select event from the au request.
 * 
 * @param request The AU request.
 * @return The select event.
 */
public static final WonderbarSelectEvent getSelectEvent(AuRequest request) {
  Map<String, Object> data = request.getData();
  Desktop desktop = request.getDesktop();
  return new WonderbarSelectEvent(request.getComponent(),
      (WonderbarItem) desktop.getComponentByUuidIfAny((String) data.get("reference")), null,
      AuRequests.parseKeys(data));
}

代码示例来源：origin: org.zkoss.zk/zk

/** Activates this request.
 * <p>Used internally to identify the component and page after
 * an execution is activated. Applications rarely need to access this
 * method.
 * @since 3.0.5
 */
public void activate() throws ComponentNotFoundException {
  if (_uuid != null) {
    _comp = _desktop.getComponentByUuidIfAny(_uuid);
    if (_comp != null) {
      _page = _comp.getPage();
    } else {
      _page = _desktop.getPageIfAny(_uuid); //it could be page UUID
      if (_page == null)
        throw new ComponentNotFoundException("Component not found: " + _uuid);
    }
  }
}

代码示例来源：origin: org.zkoss.zk/zk

download = true; //yes, it is for download
} else {
  final Component comp = desktop.getComponentByUuidIfAny(uuid);
  if (comp == null) { // B65-ZK-1599
    response.sendError(HttpServletResponse.SC_GONE,

代码示例来源：origin: org.zkoss.zk/zk

public boolean service(AuRequest request, boolean everError) {
  if ("updateResult".equals(request.getCommand())) {
    final Map<String, Object> data = request.getData();
    Desktop desktop = request.getDesktop();
    final String uuid = (String) request.getData().get("wid");
    final Component comp = desktop.getComponentByUuidIfAny(uuid);
    final String sid = (String) request.getData().get("sid");
    if (comp == null) {
      Map<String, Integer> percent = cast((Map) desktop.getAttribute(Attributes.UPLOAD_PERCENT));
      Map<String, Object> size = cast((Map) desktop.getAttribute(Attributes.UPLOAD_SIZE));
      String key = uuid + '_' + sid;
      if (percent != null) {
        percent.remove(key);
        size.put(key, "Upload Aborted");
      }
      return false;
    }
    final List<Media> result = cast((List) AuRequests.getUpdateResult(request));
    Events.postEvent(new UploadEvent(Events.ON_UPLOAD, comp, UploadUtils.parseResult(result)));
    Map percent = (Map) desktop.getAttribute(Attributes.UPLOAD_PERCENT);
    Map size = (Map) desktop.getAttribute(Attributes.UPLOAD_SIZE);
    final String key = uuid + '_' + sid;
    percent.remove(key);
    size.remove(key);
    return true;
  }
  return false;
}

代码示例来源：origin: org.zkoss.zk/zul

final Set<Comboitem> prevSelectedItems = new LinkedHashSet<Comboitem>();
Comboitem prevSeld = (Comboitem) request.getDesktop()
    .getComponentByUuidIfAny((String) request.getData().get("prevSeld"));

代码示例来源：origin: org.zkoss.zk/zk

/** Converts an AU request to a key event.
 * @since 5.0.0
 */
public static final KeyEvent getKeyEvent(AuRequest request) {
  final Map<String, Object> data = request.getData();
  return new KeyEvent(request.getCommand(), request.getComponent(), AuRequests.getInt(data, "keyCode", 0),
      AuRequests.getBoolean(data, "ctrlKey"), AuRequests.getBoolean(data, "shiftKey"),
      AuRequests.getBoolean(data, "altKey"), AuRequests.getBoolean(data, "metaKey"),
      request.getDesktop().getComponentByUuidIfAny((String) data.get("reference")));
}

代码示例来源：origin: org.zkoss.zk/zkbind

public Object resolveParameter(Annotation anno, Class<?> returnType) {
    Object val = bindingArgs.get(((BindingParam) anno).value());
    if (val != null && returnType.isAssignableFrom(val.getClass())) { //escape
      return val;
    } else if (Component.class.isAssignableFrom(returnType) && val instanceof String) {
      return _root.getDesktop().getComponentByUuidIfAny((String) val);
    } else if (val instanceof JSONAware) {
      BindContext bindContext = getBindContext();
      Binder binder = getBinder();
      @SuppressWarnings("rawtypes")
      Converter converter = binder.getConverter("jsonBindingParam");
      if (converter != null) {
        try {
          bindContext.setAttribute(BINDING_PARAM_CALL_TYPE, returnType);
          @SuppressWarnings("unchecked")
          Object result = converter.coerceToBean(val, binder.getView(), bindContext);
          return result;
        } catch (Exception ex) {
          return Classes.coerce(returnType, val);
        } finally {
          bindContext.setAttribute(BINDING_PARAM_CALL_TYPE, null);
        }
      } else
        return Classes.coerce(returnType, val);
    } else {
      return val == null ? null : Classes.coerce(returnType, val);
    }
  }
});

代码示例来源：origin: org.zkoss.zk/zk

/** Returns the component representing the area that the click occurs,
 * or null if not associated with any component.
 * <p>This method assumes {@link #getArea} is either a component's ID
 * or a component's UUID. It is true when {@link org.zkoss.zul.Area} is used
 * to partition a component, such as {@link org.zkoss.zul.Imagemap} and {@link org.zkoss.zul.Chart}.
 * @since 5.0.4
 */
public Component getAreaComponent() {
  if (_areacomp == null && _area != null) {
    final Component target = getTarget();
    Desktop desktop = null;
    if (target != null) {
      _areacomp = target.getFellowIfAny(_area);
      if (_areacomp != null)
        return _areacomp;
      desktop = target.getDesktop();
    }
    if (desktop == null) {
      final Execution exec = Executions.getCurrent();
      if (exec != null)
        desktop = exec.getDesktop();
    }
    if (desktop != null)
      return _areacomp = desktop.getComponentByUuidIfAny(_area);
  }
  return _areacomp;
}

代码示例来源：origin: org.zkoss.zk/zk

/** Converts an AU request to a select event.
 * @since 6.0.0
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public static final <T extends Component, E> SelectEvent<T, E> getSelectEvent(AuRequest request,
    SelectedObjectHandler<T> handler) {
  final Map<String, Object> data = request.getData();
  final Desktop desktop = request.getDesktop();
  final List<String> sitems = cast((List) data.get("items"));
  final Set<T> items = AuRequests.convertToItems(desktop, sitems);
  final Set<T> prevSelectedItems = (Set<T>) (handler == null ? null : handler.getPreviousSelectedItems());
  final Set<T> unselectedItems = (Set<T>) (handler == null ? null : handler.getUnselectedItems());
  final Set<E> prevSelectedObjects = (Set<E>) (handler == null ? null : handler.getPreviousSelectedObjects());
  final Set<E> unselectedObjects = (Set<E>) (handler == null ? null : handler.getUnselectedObjects());
  final Set<E> objs = (Set<E>) (handler == null ? null : handler.getObjects(items));
  return new SelectEvent<T, E>(request.getCommand(), request.getComponent(), items, prevSelectedItems,
      unselectedItems, objs, prevSelectedObjects, unselectedObjects,
      (T) desktop.getComponentByUuidIfAny((String) data.get("reference")), null, AuRequests.parseKeys(data));
}

代码示例来源：origin: org.zkoss.zk/zk

final Component c = _page.getDesktop().getComponentByUuidIfAny(newUuid);
if (c != null && c != this)
  throw new UiException("Replicated UUID is not allowed for " + getClass() + ": " + newUuid);

代码示例来源：origin: org.zkoss.zk/zk

final Desktop desktop = _page.getDesktop();
if (oldpage == null) {
  if (_uuid == null || _uuid.startsWith(ANONYMOUS_ID) || desktop.getComponentByUuidIfAny(_uuid) != null)
    _uuid = nextUuid(desktop);

代码示例来源：origin: org.zkoss.zk/zul

SelectEvent evt = new SelectEvent(Events.ON_SELECT, this, curSeldItems, prevSeldItems, unselectedItems,
      selectedObjects, prevSeldObjects, unselectedObjects,
      desktop.getComponentByUuidIfAny((String) data.get("reference")), null, AuRequests.parseKeys(data));
  Events.postEvent(evt);
} else if (cmd.equals("onInnerWidth")) {

代码示例来源：origin: org.zkoss.zk/zul

SelectEvent evt = new SelectEvent(Events.ON_SELECT, this, curSeldItems, prevSeldItems, unselectedItems,
      selectedObjects, prevSeldObjects, unselectedObjects,
      desktop.getComponentByUuidIfAny((String) data.get("reference")), null, AuRequests.parseKeys(data));
  Events.postEvent(evt);
} else if (inPagingMold() && cmd.equals(ZulEvents.ON_PAGE_SIZE)) { //since 5.0.2

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