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

The following examples show how to use com.google.gwt.dom.client.Element#getChild() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DOMHelper.java    From gwt-material with Apache License 2.0 6 votes vote down vote up 
public static Element getChildElementByClass(Element parent, String className) {
    if (parent != null) {
        for (int i = 0; i < parent.getChildCount(); i++) {
            Node childNode = parent.getChild(i);
            if (Element.is(childNode)) {
                Element child = Element.as(childNode);
                if (child.getClassName().contains(className)) {
                    return child;
                }

                if (child.getChildCount() > 0) {
                    return getChildElementByClass(child, className);
                }
            }
        }
    }
    return null;
}
Example 2
Source File: DOMHelper.java    From gwt-material with Apache License 2.0 6 votes vote down vote up 
public static Element getChildElementById(Element parent, String id) {
    if (parent != null) {
        for (int i = 0; i < parent.getChildCount(); i++) {
            Node childNode = parent.getChild(i);
            if (Element.is(childNode)) {
                Element child = Element.as(childNode);
                if (child.getId().equals(id)) {
                    return child;
                }

                if (child.getChildCount() > 0) {
                    return getChildElementById(child, id);
                }
            }
        }
    }
    return null;
}
Example 3
Source File: GroupedListBox.java    From swcv with MIT License 6 votes vote down vote up 
protected int getIndexInGroup(String group, int index)
{
    if (group == null)
        return index;

    int adjusted = index;
    Element elm = getElement();
    int sz = elm.getChildCount();
    for (int i = 0; i < sz; i++)
    {
        Node child = elm.getChild(i);
        if (isMatchingGroup(child, group))
        {
            break;
        }
        if (isGroup(child))
        {
            adjusted -= child.getChildCount();
        }
        else
        {
            adjusted -= 1;
        }
    }
    return adjusted;
}
Example 4
Source File: GroupedListBox.java    From gwt-traction with Apache License 2.0 6 votes vote down vote up 
@Override
public Node getInsertBeforeElement(int index) {
    Node before = null;
    Element parent = getElement();

    // make sure we're not past the initial "group" of
    // ungrouped options
    int max = getIndexOfFirstGroup();
    if (index < 0 || index > max) {
        if (max < getChildCount()) {
            before = parent.getChild(max);
        }
    }
    else if (0 <= index && index < getChildCount()) {
        before = parent.getChild(index);
    }

    return before;
}
Example 5
Source File: NavSpy.java    From putnami-web-toolkit with GNU Lesser General Public License v3.0 6 votes vote down vote up 
private void collectHeadings(Element element, List<Element> headings) {
	for (int i = 0; i < element.getChildCount(); i++) {
		Node node = element.getChild(i);
		if (node instanceof Element) {
			Element child = (Element) node;
			String tagName = child.getTagName();
			if (tagName != null && Heading.HEADING_TAGS.contains(tagName.toLowerCase())) {
				if (this.spyName != null && this.spyName.equals(child.getAttribute(Heading.ATTRIBUTE_DATA_SUMMARY))) {
					headings.add(child);
				}
			} else {
				this.collectHeadings(child, headings);
			}
		}
	}
}
Example 6
Source File: MaterialToastTest.java    From gwt-material with Apache License 2.0 5 votes vote down vote up 
public void testMultipleToasts() {
    for (int i = 1; i <= 5; i++) {
        MaterialToast.fireToast("test" + i);
    }
    Element toastContainer = $("body").find("#toast-container").asElement();
    assertNotNull(toastContainer);
    assertEquals(toastContainer.getChildCount(), 5);
    // Check each toasts
    for (int i = 0; i < 5; i++) {
        Element toastElement = (Element) toastContainer.getChild(i);
        assertEquals(toastElement.getInnerHTML(), "test" + (i + 1));
    }
    toastContainer.setInnerHTML("");
    assertEquals(toastContainer.getChildCount(), 0);
}
Example 7
Source File: MaterialToastTest.java    From gwt-material with Apache License 2.0 5 votes vote down vote up 
public void testToastWithStyling() {
    MaterialToast.fireToast("test", "rounded");
    Element toastContainer = $("body").find("#toast-container").asElement();
    assertNotNull(toastContainer);
    assertEquals(toastContainer.getChildCount(), 1);
    assertNotNull(toastContainer.getChild(0));
    assertTrue(toastContainer.getChild(0) instanceof Element);
    Element toastElement = (Element) toastContainer.getChild(0);
    assertTrue(toastElement.hasClassName("rounded"));
    toastContainer.setInnerHTML("");
}
Example 8
Source File: MaterialToastTest.java    From gwt-material with Apache License 2.0 5 votes vote down vote up 
public void testToastWithWidget() {
    MaterialLink link = new MaterialLink();
    new MaterialToast(link).toast("test");
    Element toastContainer = $("body").find("#toast-container").asElement();
    assertNotNull(toastContainer);
    assertEquals(toastContainer.getChildCount(), 1);
    assertNotNull(toastContainer.getChild(0));
    assertTrue(toastContainer.getChild(0) instanceof Element);
    Element toastElement = (Element) toastContainer.getChild(0);
    // Check the span text
    assertEquals($(toastElement.getChild(0)).text(), "test");
    // Check the added link to toast component
    assertEquals(link.getElement(), toastElement.getChild(1));
    toastContainer.setInnerHTML("");
}
Example 9
Source File: MaterialToastTest.java    From gwt-material with Apache License 2.0 5 votes vote down vote up 
public void testToastStructure() {
    MaterialToast.fireToast("test");
    Element toastContainer = $("body").find("#toast-container").asElement();
    assertNotNull(toastContainer);
    assertEquals(toastContainer.getChildCount(), 1);
    assertNotNull(toastContainer.getChild(0));
    assertTrue(toastContainer.getChild(0) instanceof Element);
    Element toastElement = (Element) toastContainer.getChild(0);
    assertEquals(toastElement.getInnerHTML(), "test");
    toastContainer.setInnerHTML("");
}
Example 10
Source File: GroupedListBox.java    From swcv with MIT License 5 votes vote down vote up 
protected OptionElement getOption(int index)
{
    checkIndex(index);

    // first check ungrouped
    Element elm = getElement();
    int sz = elm.getChildCount();
    int firstGroup = getIndexOfFirstGroup();
    if (index >= 0 && index < firstGroup && index < sz)
    {
        return option(elm.getChild(index));
    }

    // then go through the groups
    int childIndex = index - firstGroup;
    for (int i = firstGroup; i <= index && i < sz; i++)
    {
        Node child = elm.getChild(i);
        if (isGroup(child))
        {
            if (childIndex < child.getChildCount())
            {
                return option(child.getChild(childIndex));
            }
            else
            {
                childIndex -= child.getChildCount();
            }
        }
    }
    return null;
}
Example 11
Source File: SelectionImplIE.java    From swellrt with Apache License 2.0 4 votes vote down vote up 
private Point<Node> binarySearchForRange(JsTextRangeIE target, Element parent) {
  try {
    JsTextRangeIE attempt = JsTextRangeIE.create();
    int low = 0;
    int high = parent.getChildCount() - 1;
    while (low <= high) {
      int mid = (low + high) >>> 1;
      Node node = parent.getChild(mid);
      node.getParentNode().insertBefore(setter, node);
      attempt.moveToElementText(setter).collapse(false);
      int cmp = attempt.compareEndPoints(CompareMode.StartToEnd, target);

      if (cmp == 0) {
        if (DomHelper.isTextNode(node)) {
          return Point.inText(node, 0);
        } else {
          return Point.inElement(parent, node);
        }
      } else if (cmp > 0) {
        high = mid - 1;
      } else {
        if (DomHelper.isTextNode(node)) {
          JsTextRangeIE dup = attempt.duplicate();
          dup.setEndPoint(EndToEnd, target);
          if (dup.getText().length() <= node.<Text> cast().getLength()) {
            return Point.inText(node, dup.getText().length());
          }
        } else {
          attempt.moveToElementText(node.<Element> cast()).collapse(false);
          if (attempt.compareEndPoints(StartToStart, target) >= 0) {
            return Point.inElement(parent, node);
          }

        }
        low = mid + 1;
      }
      setter.removeFromParent();
    }
    return Point.<Node> end(parent);
  } finally {
    setter.removeFromParent();
  }
}
Example 12
Source File: GroupedListBox.java    From swcv with MIT License 4 votes vote down vote up 
@Override
public void insertItem(String item, String value, int index)
{
    // find the delimiter if there is one
    int pipe = (item != null) ? item.indexOf('|') : -1;
    while (pipe != -1 && pipe + 1 != item.length() && item.charAt(pipe + 1) == '|')
    {
        pipe = item.indexOf('|', pipe + 2);
    }

    // extract the group if we found a delimiter
    String group = null;
    if (pipe != -1)
    {
        group = item.substring(0, pipe).trim();
        item = item.substring(pipe + 1).trim();

        // make sure we convert || -> | in the group name
        group = group.replace("||", "|");
    }

    Element parent = getSelectElement();
    Node before = null;

    if (group != null)
    {
        OptGroupElement optgroup = findOptGroupElement(group);
        if (optgroup != null)
        {
            // add it to this optgroup
            parent = optgroup;

            // adjust the index to inside the group
            int adjusted = getIndexInGroup(group, index);

            // we had a real index (wasn't negative which means
            // add to the end), but it was too low for this group.
            // put it at the beginning of the group.
            if (adjusted < 0 && index >= 0)
            {
                adjusted = 0;
            }

            // check the range and if it's out of range, we'll
            // just add it to the end
            // of the group (before == null)
            if (0 <= adjusted && adjusted < optgroup.getChildCount())
            {
                before = optgroup.getChild(adjusted);
            }
        }
        else
        {
            // add a new group and add the item to it
            optgroup = Document.get().createOptGroupElement();
            optgroup.setLabel(group);
            parent.appendChild(optgroup);
            parent = optgroup;
            before = null;
        }
    }
    else
    {
        // make sure we're not past the initial "group" of
        // ungrouped options
        int max = getIndexOfFirstGroup();
        if (index < 0 || index > max)
        {
            before = (max < parent.getChildCount()) ? parent.getChild(max) : null;
        }
        else if (0 <= index && index < parent.getChildCount())
        {
            before = parent.getChild(index);
        }
    }

    OptionElement option = createOption(item, value);
    parent.insertBefore(option, before);
}
Example 13
Source File: SelectionImplIE.java    From incubator-retired-wave with Apache License 2.0 4 votes vote down vote up 
private Point<Node> binarySearchForRange(JsTextRangeIE target, Element parent) {
  try {
    JsTextRangeIE attempt = JsTextRangeIE.create();
    int low = 0;
    int high = parent.getChildCount() - 1;
    while (low <= high) {
      int mid = (low + high) >>> 1;
      Node node = parent.getChild(mid);
      node.getParentNode().insertBefore(setter, node);
      attempt.moveToElementText(setter).collapse(false);
      int cmp = attempt.compareEndPoints(CompareMode.StartToEnd, target);

      if (cmp == 0) {
        if (DomHelper.isTextNode(node)) {
          return Point.inText(node, 0);
        } else {
          return Point.inElement(parent, node);
        }
      } else if (cmp > 0) {
        high = mid - 1;
      } else {
        if (DomHelper.isTextNode(node)) {
          JsTextRangeIE dup = attempt.duplicate();
          dup.setEndPoint(EndToEnd, target);
          if (dup.getText().length() <= node.<Text> cast().getLength()) {
            return Point.inText(node, dup.getText().length());
          }
        } else {
          attempt.moveToElementText(node.<Element> cast()).collapse(false);
          if (attempt.compareEndPoints(StartToStart, target) >= 0) {
            return Point.inElement(parent, node);
          }

        }
        low = mid + 1;
      }
      setter.removeFromParent();
    }
    return Point.<Node> end(parent);
  } finally {
    setter.removeFromParent();
  }
}
Example 14
Source File: DomHelper.java    From swellrt with Apache License 2.0 2 votes vote down vote up 
/**
 * Given a node/offset pair, return the node after the point.
 *
 * @param container
 * @param offset
 */
public static Node nodeAfterFromOffset(Element container, int offset) {
  return offset >= container.getChildCount() ? null : container.getChild(offset);
}
Example 15
Source File: DomHelper.java    From incubator-retired-wave with Apache License 2.0 2 votes vote down vote up 
/**
 * Given a node/offset pair, return the node after the point.
 *
 * @param container
 * @param offset
 */
public static Node nodeAfterFromOffset(Element container, int offset) {
  return offset >= container.getChildCount() ? null : container.getChild(offset);
}