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

@UsedByApp
public void handleLinkClick(Event event) {
    Element target = Element.as(event.getEventTarget());
    String href = target.getAttribute("href");
    if (href.startsWith("send:")) {
        String msg = href.substring("send:".length());
        msg = URL.decode(msg);
        if (lastVisiblePeer != null) {
            messenger.sendMessage(lastVisiblePeer, msg);
            event.preventDefault();
        }
    } else {
        if (JsElectronApp.isElectron()) {
            JsElectronApp.openUrlExternal(href);
            event.preventDefault();
        }
    }
}
 

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;
}
 

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;
}
 

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);
}
 

/**
 * Dumps Element content and traverse its children.
 * <p/><b>WARNING:</b> it is com.google.gwt.dom.client.Element not com.google.gwt.xml.client.Element!!!
 * 
 * @param elm an element to dump
 * @param indent row indentation for current level
 * @param indentIncrement increment for next level
 * @param sb dumped content
 * @return dumped content
 */
public static StringBuilder dump(Element elm, String indent, String indentIncrement, StringBuilder sb) {
    int childCount = elm.getChildCount();
    String innerText = elm.getInnerText();
    String lang = elm.getLang();
    String nodeName = elm.getNodeName();
    short nodeType = elm.getNodeType();
    String getString = elm.getString();
    String tagNameWithNS = elm.getTagName();
    String xmlLang = elm.getAttribute("xml:lang");

    sb.append(ClientUtils.format("%sElement {nodeName: %s, nodeType: %s, tagNameWithNS: %s, lang: %s,"
            + " childCount: %s, getString: %s, xmlLang: %s}\n",
            indent, nodeName, nodeType, tagNameWithNS, lang, childCount, getString, xmlLang));
    NodeList<Node> childNodes = elm.getChildNodes();
    indent += indentIncrement;
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node child = childNodes.getItem(i);
        if (Element.is(child)) {
            dump(Element.as(child), indent, indentIncrement, sb);
        } else {
            sb.append(ClientUtils.format("%sNode: nodeType: %s, nodeName: %s, childCount: %s, nodeValue: %s\n",
                    indent, child.getNodeType(), child.getNodeName(), child.getChildCount(), child.getNodeValue()));
        }
    }
    return sb;
}
 

/** @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;
  }
}
 

/**
 * Get a set of debug classes present in an element.
 * @param elem from which debug classes will be read from
 * @return the set of debug classes
 */
private static final Set<String> getDebugClasses(Element elem) {
  Set<String> result = new HashSet<String>();
  String debugClasses = elem.getAttribute(DEBUG_CLASS_ATTRIBUTE);
  result.addAll(Arrays.asList(debugClasses.split(" ")));
  return result;
}
 

public void draw() {
    Element el = canvas.getCanvasElement();
    String idcode = el.getAttribute("data-idcode");
    String text = el.getAttribute("data-text");
    String[] at = text != null ? text.split(",") : null;
    Context2d ctx = canvas.getContext2d();
    drawMolecule(ctx, idcode, canvas.getCoordinateSpaceWidth(), canvas.getCoordinateSpaceHeight(), 0, at);
}
 

public static String getIDCode(String id) {
    Element el = Document.get().getElementById(id);
    if (el instanceof CanvasElement) {
        return el.getAttribute("data-idcode");
    }
    return null;
}
 

protected void addStyleName(Element element, String style) {
    String curStyles = element.getAttribute("class");
    if (curStyles == null) {
        curStyles = "";
    }
    if (!curStyles.contains(style)) {
        curStyles += " " + style;
        element.setAttribute("class", curStyles);
    }
}
 

@Override
public void onBrowserEvent(Event event) {
	int type = event.getTypeInt();
	Element target = event.getCurrentTarget();
	if (type == Event.ONCLICK) {
		String dataDate = target.getAttribute(InputDatePicker.ATTRIBUTE_DATA_DATE);
		String dataCursor = target.getAttribute(InputDatePicker.ATTRIBUTE_DATA_CURSOR);
		String dataYear = target.getAttribute(InputDatePicker.ATTRIBUTE_DATA_YEAR);
		if (dataDate != null && dataDate.length() > 0) {
			this.mode = Mode.CALENDAR;
			this.setValue(InputDatePicker.ATTRIBUTE_DATE_FORMAT.parse(dataDate), true);
		} else if (dataCursor != null && dataCursor.length() > 0) {
			this.mode = Mode.CALENDAR;
			this.cursor = InputDatePicker.ATTRIBUTE_DATE_FORMAT.parse(dataCursor);
			this.redraw();
		} else if (dataYear != null && dataYear.length() > 0) {
			this.openMonthOfYear(Integer.valueOf(dataYear));
		} else if (target == this.monthPickerButton) {
			if (this.mode != Mode.MONTH) {
				this.mode = Mode.MONTH;
			} else {
				this.mode = Mode.CALENDAR;
			}
			this.redraw();
		}
		event.stopPropagation();
		event.preventDefault();
	} else if (type == Event.ONKEYDOWN) {
		this.handleKeyPress(event.getKeyCode());
		event.stopPropagation();
		event.preventDefault();
	} else {
		super.onBrowserEvent(event);
	}
}
 

/** @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;
  }
}
 

/**
 * Get a set of debug classes present in an element.
 * @param elem from which debug classes will be read from
 * @return the set of debug classes
 */
private static final Set<String> getDebugClasses(Element elem) {
  Set<String> result = new HashSet<String>();
  String debugClasses = elem.getAttribute(DEBUG_CLASS_ATTRIBUTE);
  result.addAll(Arrays.asList(debugClasses.split(" ")));
  return result;
}
 

/**
 * Helper method to get a native view of widget based on its DOM element or descendant.
 * 
 * @param doc the mutable document
 * @param domElement the widget element or a descendant
 */
public static JsoWidget getWidget(CMutableDocument doc, Element domElement) {

 Element widgetDomElement = getWidgetElementUp(domElement);
 if (widgetDomElement == null)
  return null;

 String widgetId = widgetDomElement.getAttribute(ATTR_ID);
 ContentElement widgetElement = DocHelper.findElementById(doc, doc.getDocumentElement(), widgetId);

 if (widgetElement == null) 
  return null;
 		  
 return JsoWidget.create(widgetElement.getImplNodelet(), widgetElement);
}
 

@Override
public void register(InteractDragEvent event) {
    Element target = event.target;

    String dataX = target.getAttribute("data-x");
    String dataY = target.getAttribute("data-y");

    float dx = parseAttributeToFloat(dataX, event.dx);
    float dy = parseAttributeToFloat(dataY, event.dy);

    target.getStyle().setProperty("transform", "translate(" + dx + "px, " + dy + "px)");
    target.setAttribute("data-x", String.valueOf(dx));
    target.setAttribute("data-y", String.valueOf(dy));
}
 

/** {@inheritDoc} */
public String getAttribute(Element element, String name) {
  return name.equals("class") ? element.getClassName() : element.getAttribute(name);
}
 

/** {@inheritDoc} */
public String getAttribute(Element element, String name) {
  return name.equals("class") ? element.getClassName() : element.getAttribute(name);
}