Java Code Examples for com.google.gwt.dom.client.Element#hasAttribute()

/**
 * Scrapes the menu state from the DOM. The menu state describes what options
 * exist, and which, if any, are currently selected.
 *
 * @return a mapping from available options to their UI objects, and the
 *         subset of those options that are currently selected.
 */
private Pair<EnumMap<MenuOption, BlipMenuItemDomImpl>, EnumSet<MenuOption>> getMenuState() {
  EnumMap<MenuOption, BlipMenuItemDomImpl> options =
      new EnumMap<MenuOption, BlipMenuItemDomImpl>(MenuOption.class);
  EnumSet<MenuOption> selected = EnumSet.noneOf(MenuOption.class);
  Element e = getMenu().getFirstChildElement();
  while (e != null) {
    if (e.hasAttribute(KIND_ATTRIBUTE)
        && e.getAttribute(KIND_ATTRIBUTE).equals(TypeCodes.kind(Type.MENU_ITEM))) {
      BlipMenuItemDomImpl item = BlipMenuItemDomImpl.of(e, css);
      MenuOption option = item.getOption();
      options.put(option, item);
      if (item.isSelected()) {
        selected.add(option);
      }
    }
    e = e.getNextSiblingElement();
  }
  return Pair.of(options, selected);
}
 

public StringSequence getInlineLocators() {
  if (inlineLocators == null) {
    Element content = getContentContainer().getFirstChildElement();
    if (content != null) {
      inlineLocators = (StringSequence) content.getPropertyObject(INLINE_LOCATOR_PROPERTY);
      if (inlineLocators == null) {
        // Note: getAttribute() of a missing attribute does not return null on
        // all browsers.
        if (content.hasAttribute(INLINE_LOCATOR_ATTRIBUTE)) {
          String serial = content.getAttribute(INLINE_LOCATOR_ATTRIBUTE);
          inlineLocators = StringSequence.create(serial);
        } else {
          inlineLocators = StringSequence.create();
        }
        content.setPropertyObject(INLINE_LOCATOR_PROPERTY, inlineLocators);
      }
    } else {
      // Leave inlineLocators as null, since the document is not here yet.
    }
  }
  return inlineLocators;
}
 

/**
 * Scrapes the menu state from the DOM. The menu state describes what options
 * exist, and which, if any, are currently selected.
 *
 * @return a mapping from available options to their UI objects, and the
 *         subset of those options that are currently selected.
 */
private Pair<EnumMap<MenuOption, BlipMenuItemDomImpl>, EnumSet<MenuOption>> getMenuState() {
  EnumMap<MenuOption, BlipMenuItemDomImpl> options =
      new EnumMap<MenuOption, BlipMenuItemDomImpl>(MenuOption.class);
  EnumSet<MenuOption> selected = EnumSet.noneOf(MenuOption.class);
  Element e = getMenu().getFirstChildElement();
  while (e != null) {
    if (e.hasAttribute(KIND_ATTRIBUTE)
        && e.getAttribute(KIND_ATTRIBUTE).equals(TypeCodes.kind(Type.MENU_ITEM))) {
      BlipMenuItemDomImpl item = BlipMenuItemDomImpl.of(e, css);
      MenuOption option = item.getOption();
      options.put(option, item);
      if (item.isSelected()) {
        selected.add(option);
      }
    }
    e = e.getNextSiblingElement();
  }
  return Pair.of(options, selected);
}
 

public StringSequence getInlineLocators() {
  if (inlineLocators == null) {
    Element content = getContentContainer().getFirstChildElement();
    if (content != null) {
      inlineLocators = (StringSequence) content.getPropertyObject(INLINE_LOCATOR_PROPERTY);
      if (inlineLocators == null) {
        // Note: getAttribute() of a missing attribute does not return null on
        // all browsers.
        if (content.hasAttribute(INLINE_LOCATOR_ATTRIBUTE)) {
          String serial = content.getAttribute(INLINE_LOCATOR_ATTRIBUTE);
          inlineLocators = StringSequence.create(serial);
        } else {
          inlineLocators = StringSequence.create();
        }
        content.setPropertyObject(INLINE_LOCATOR_PROPERTY, inlineLocators);
      }
    } else {
      // Leave inlineLocators as null, since the document is not here yet.
    }
  }
  return inlineLocators;
}
 

protected void addPendingUpload(JavaScriptObject jqXHR) {
    Element fileInput = fileUploadWidget.getFileInputElement();
    if (!fileUploadWidget.isEnabled()) {
        for (JavaScriptObject currentXHR : currentXHRs) {
            cancelXHR(currentXHR);
        }
        return;
    }

    boolean multiple = fileInput.hasAttribute("multiple");
    if (!multiple) {
        if (!currentXHRs.isEmpty())
            return;

        currentXHRs.add(jqXHR);
        skipLastFiles(jqXHR);
    } else {
        currentXHRs.add(jqXHR);
    }

    if (currentXHRs.size() == getOriginalFilesCount(jqXHR)) {
        for (JavaScriptObject xhr : currentXHRs) {
            if (!isValidFile(getFileName(xhr), getFileSize(xhr))) {
                currentXHRs.clear();
                return;
            }
        }

        queueUploadStart();

        // all files added to pending queue, start uploading
        submitXHR(currentXHRs.get(0));
    }
}
 

private boolean isInChildEditor(Point<Node> point) {
  // The editable doc is marked by an attribute EDITABLE_DOC_MARKER, if
  // an element is found with that attribute, and is not the element of this
  // editor's doc element, then it must be a child's doc element.
  Node n = point.getContainer();
  Element e = DomHelper.isTextNode(n) ? n.getParentElement() : (Element) n;
  while (e != null && e != doc) {
    if (e.hasAttribute(EditorImpl.EDITABLE_DOC_MARKER)) {
      return true;
    }
    e = e.getParentElement();
  }
  return false;
}
 

private boolean handleDOMNodeInserted(final Element e) {
  if (e.getTagName().equals("SPAN") && e.hasAttribute("class")
      && e.getAttribute("class").equals("Apple-style-span")) {
     scheduleElementForRevert(e.getParentElement());
  }
  return true;
}
 

/** @return the view type of an element. */
private Type typeOf(Element e) {
  Type type = e.hasAttribute(KIND_ATTRIBUTE) ? type(e.getAttribute(KIND_ATTRIBUTE)) : null;
  if (type == null) {
    throw new RuntimeException("element has no known kind: " + e.getAttribute(KIND_ATTRIBUTE));
  } else {
    return type;
  }
}
 

/**
 * Dispatches an event through this handler collection.
 *
 * @param event event to dispatch
 * @param target target element of the event
 * @return true if a handled, false otherwise.
 */
boolean dispatch(E event, Element target) {
  while (target != null) {
    if (target.hasAttribute(KIND_ATTRIBUTE)) {
      W handler = waveHandlers.get(target.getAttribute(KIND_ATTRIBUTE));
      if (handler != null) {
        if (dispatch(event, target, handler)) {
          return true;
        }
      }
    }
    target = !target.equals(top) ? target.getParentElement() : null;
  }
  return dispatchGlobal(event);
}
 

private boolean isInChildEditor(Point<Node> point) {
  // The editable doc is marked by an attribute EDITABLE_DOC_MARKER, if
  // an element is found with that attribute, and is not the element of this
  // editor's doc element, then it must be a child's doc element.
  Node n = point.getContainer();
  Element e = DomHelper.isTextNode(n) ? n.getParentElement() : (Element) n;
  while (e != null && e != doc) {
    if (e.hasAttribute(EditorImpl.EDITABLE_DOC_MARKER)) {
      return true;
    }
    e = e.getParentElement();
  }
  return false;
}
 

private boolean handleDOMNodeInserted(final Element e) {
  if (e.getTagName().equals("SPAN") && e.hasAttribute("class")
      && e.getAttribute("class").equals("Apple-style-span")) {
     scheduleElementForRevert(e.getParentElement());
  }
  return true;
}
 

/** @return the view type of an element. */
private Type typeOf(Element e) {
  Type type = e.hasAttribute(KIND_ATTRIBUTE) ? type(e.getAttribute(KIND_ATTRIBUTE)) : null;
  if (type == null) {
    throw new RuntimeException("element has no known kind: " + e.getAttribute(KIND_ATTRIBUTE));
  } else {
    return type;
  }
}
 

/**
 * Dispatches an event through this handler collection.
 *
 * @param event event to dispatch
 * @param target target element of the event
 * @return true if a handled, false otherwise.
 */
boolean dispatch(E event, Element target) {
  while (target != null) {
    if (target.hasAttribute(KIND_ATTRIBUTE)) {
      W handler = waveHandlers.get(target.getAttribute(KIND_ATTRIBUTE));
      if (handler != null) {
        if (dispatch(event, target, handler)) {
          return true;
        }
      }
    }
    target = !target.equals(top) ? target.getParentElement() : null;
  }
  return dispatchGlobal(event);
}
 

private ButtonRef resolveActionAttribute(Element element) {
    if(!element.hasAttribute("action"))
    {
        if(element.hasParentElement())
            return resolveActionAttribute(element.getParentElement());
        else
            new ButtonRef("unresolved", element);
    }
    return new ButtonRef(element.getAttribute("action"), element);
}
 

/**
 * @return true if {@code e} has a kind supported by a view implementation
 *         from this package.
 */
private boolean hasKnownType(Element e) {
  return e.hasAttribute(KIND_ATTRIBUTE) && KNOWN_KINDS.contains(e.getAttribute(KIND_ATTRIBUTE));
}
 

/**
 * @return true if {@code e} has a kind supported by a view implementation
 *         from this package.
 */
private boolean hasKnownType(Element e) {
  return e.hasAttribute(KIND_ATTRIBUTE) && KNOWN_KINDS.contains(e.getAttribute(KIND_ATTRIBUTE));
}