Example usage for com.google.gwt.dom.client Element getChild

Introduction

In this page you can find the example usage for com.google.gwt.dom.client Element getChild.

Prototype

@Override
    public Node getChild(int index) 

Source Link

Usage

From source file:app.dnd.drag.DraggableCellDecorator.java

License:Apache License

/**
 * Get the parent element of the decorated cell.
 *
 * @param parent the parent of this cell
 * @return the decorated cell's parent//  w w w.ja v a 2 s.c  o m
 */
private Element getCellParent(Element parent) {
    final Element element = parent.getFirstChildElement().getFirstChildElement();
    return element.getChild(1).cast();
}

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From source file:com.alkacon.geranium.client.util.DomUtil.java

License:Open Source License

/**
 * Positions an element inside the given parent, reordering the content of the parent and returns the new position index.<p>
 * This is none absolute positioning. Use for drag and drop reordering of drop targets.<p>
 * Use <code>-1</code> for x or y to ignore one ordering orientation.<p>
 * //from  w  w w . j a  v a  2  s  . c  o  m
 * @param element the child element
 * @param parent the parent element
 * @param currentIndex the current index position of the element, use -1 if element is not attached to the parent yet 
 * @param x the client x position, use <code>-1</code> to ignore x position 
 * @param y the client y position, use <code>-1</code> to ignore y position
 * 
 * @return the new index position
 */
public static int positionElementInside(Element element, Element parent, int currentIndex, int x, int y) {

    if ((x == -1) && (y == -1)) {
        // this is wrong usage, do nothing
        DebugLog.getInstance().printLine("this is wrong usage, doing nothing");
        return currentIndex;
    }
    int indexCorrection = 0;
    int previousTop = 0;
    for (int index = 0; index < parent.getChildCount(); index++) {
        Node node = parent.getChild(index);
        if (node.getNodeType() != Node.ELEMENT_NODE) {
            continue;
        }
        Element child = (Element) node;
        if (child == element) {
            indexCorrection = 1;
        }
        String positioning = DomUtil.getCurrentStyle(child, Style.position);
        if (Position.ABSOLUTE.getCssName().equals(positioning)
                || Position.FIXED.getCssName().equals(positioning)) {
            // only not 'position:absolute' elements into account, 
            // not visible children will be excluded in the next condition
            continue;
        }
        int left = 0;
        int width = 0;
        int top = 0;
        int height = 0;
        if (y != -1) {
            // check if the mouse pointer is within the height of the element 
            top = DomUtil.getRelativeY(y, child);
            height = child.getOffsetHeight();
            if ((top <= 0) || (top >= height)) {
                previousTop = top;
                continue;
            }
        }
        if (x != -1) {
            // check if the mouse pointer is within the width of the element 
            left = DomUtil.getRelativeX(x, child);
            width = child.getOffsetWidth();
            if ((left <= 0) || (left >= width)) {
                previousTop = top;
                continue;
            }
        }

        boolean floatSort = false;
        String floating = "";
        if ((top != 0) && (top == previousTop)) {
            floating = getCurrentStyle(child, Style.floatCss);
            if ("left".equals(floating) || "right".equals(floating)) {
                floatSort = true;
            }
        }
        previousTop = top;
        if (child == element) {
            return currentIndex;
        }
        if ((y == -1) || floatSort) {
            boolean insertBefore = false;
            if (left < (width / 2)) {
                if (!(floatSort && "right".equals(floating))) {
                    insertBefore = true;
                }
            } else if (floatSort && "right".equals(floating)) {
                insertBefore = true;
            }
            if (insertBefore) {
                parent.insertBefore(element, child);
                currentIndex = index - indexCorrection;
                return currentIndex;
            } else {
                parent.insertAfter(element, child);
                currentIndex = (index + 1) - indexCorrection;
                return currentIndex;
            }
        }
        if (top < (height / 2)) {
            parent.insertBefore(element, child);
            currentIndex = index - indexCorrection;
            return currentIndex;
        } else {
            parent.insertAfter(element, child);
            currentIndex = (index + 1) - indexCorrection;
            return currentIndex;
        }

    }
    // not over any child position
    if ((currentIndex >= 0) && (element.getParentElement() == parent)) {
        // element is already attached to this parent and no new position available
        // don't do anything
        return currentIndex;
    }
    int top = DomUtil.getRelativeY(y, parent);
    int offsetHeight = parent.getOffsetHeight();
    if ((top >= (offsetHeight / 2))) {
        // over top half, insert as first child
        parent.insertFirst(element);
        currentIndex = 0;
        return currentIndex;
    }
    // over bottom half, insert as last child
    parent.appendChild(element);
    currentIndex = parent.getChildCount() - 1;
    return currentIndex;
}

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From source file:com.arcbees.chosen.client.gwt.ChosenListBox.java

License:Apache License

/**
 * Inserts an item into a group at the specified location. Additionally, the item can have an extra class name as
 * well as indent level assigned to it.//w  w w  .  ja v  a2s  .com
 * <p/>
 * <b>NB!</b> It is important to set text into the option after the option has been appended to the DOM
 * <br/>that's known bug in IE  @see <a href="http://bugs.jquery.com/ticket/3041">jQuery bug tracker</a>
 * <p/>
 *
 * @param item        the item label to display
 * @param value       the value of the item in the HTML form context
 * @param className   the class name to append to the option (pass {@code null} to append no class name)
 * @param dir         allows specifying an RTL, LTR or inherited direction ({@code null} is LTR)
 * @param indentLevel the number of times to indent the item from the left (pass 0 for no indentation)
 * @param groupIndex  the index of the group to insert the item into (if out of bounds, the last group will be used)
 * @param itemIndex   the index of the item within a group (if out of bounds, item will be placed last in the group)
 */
public void insertStyledItemToGroup(String item, String value, String className, Direction dir, int indentLevel,
        int groupIndex, int itemIndex) {
    int pos = groupIndex;
    if (indentLevel < 0) {
        throw new IllegalArgumentException("[indentLevel] must be non-negative.");
    }
    GQuery optgroupList = $(OPTGROUP_TAG, getElement());

    int groupCount = optgroupList.size();

    if (groupCount == 0) {
        // simply insert the item to the listbox
        insertItem(item, dir, value, itemIndex);
        return;
    }

    if (pos < 0 || pos > groupCount - 1) {
        pos = groupCount - 1;
    }

    GQuery optgroup = optgroupList.eq(pos);

    OptionElement option = Document.get().createOptionElement();

    if (!(className == null || className.trim().isEmpty())) {
        option.addClassName(className);
    }
    if (indentLevel > 0) {
        // Calculate total indentation, not forgetting that being in a group is adding one extra indent step
        int leftPadding = options.getResources().css().indent() * (indentLevel + 1);
        option.setAttribute("style", "padding-left: " + leftPadding + "px;");
    }

    Element optGroupElement = optgroup.get(0);
    int itemCount = optGroupElement.getChildCount();

    if (itemIndex < 0 || itemIndex > itemCount - 1) {
        optgroup.append(option);
    } else {
        GQuery before = $(optGroupElement.getChild(itemIndex));
        before.before(option);
    }
    // setText must be after the element has been appended to the DOM - see javadoc
    setOptionText(option, item, dir);
    option.setValue(value);
}

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From source file:com.bfr.client.selection.RangeEndPoint.java

License:Apache License

private static FindLocRes findLocation(Document doc, Element ele, int relX, int relY) {
    FindLocRes res = null;//from w ww  .j  a  va 2s  .c o  m

    if (contains(ele, relX, relY) && isVisible(doc, ele)) {
        if (ele.hasChildNodes()) {
            // Iterate through children until we hit an exact match
            for (int i = 0; (i < ele.getChildCount()) && ((res == null) || !res.isExact()); i++) {
                FindLocRes tmp;
                Node child = ele.getChild(i);
                if (child.getNodeType() == Node.ELEMENT_NODE) {
                    tmp = findLocation(doc, (Element) child, relX, relY);
                } else {
                    tmp = findLocation(doc, (Text) child, relX, relY);
                }
                res = FindLocRes.replace(res, tmp);
            }
        } else {
            // If this contains but has no children, then this is it
            res = new FindLocRes(new RangeEndPoint(ele));
        }
    }

    return res;
}

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From source file:com.databasepreservation.visualization.shared.client.widgets.wcag.WCAGUtilities.java

public void makeAccessible(Element element) {

    if (element.getAttribute("align") != null) {
        String className = "";
        if (element.getAttribute("align").equals("right")) {
            className = "alignRight";
        } else if (element.getAttribute("align").equals("left")) {
            className = "alignLeft";
        } else if (element.getAttribute("align").equals("center")) {
            className = "alignCenter";
        } else {/* ww  w . j  ava 2 s .  co  m*/
            className = "alignJustify";
        }
        element.removeAttribute("align");
        element.addClassName(className);
    }

    if (INPUT_TAGNAMES.contains(element.getTagName())) {
        addAttributeIfNonExistent(element, "title", "t_" + Random.nextInt(1000), true);
    }

    if (element.getChildCount() > 0) {
        for (int i = 0; i < element.getChildCount(); i++) {
            if (element.getChild(i).getNodeType() == Node.ELEMENT_NODE) {
                makeAccessible((Element) element.getChild(i));
            }
        }
    }

}

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From source file:com.ephesoft.gxt.core.client.ui.widget.ScrollableSuggestDisplay.java

License:Open Source License

/**
 * Scrolls the selectedItem in to the view. It ensures that selected item is always visible in the SuggestionDisplay.
 *//*from  w w  w  .  j  a v a  2 s .c om*/
private void scrollSelectedItemIntoView() {
    //TODO Refactoring. NULL Checks missing
    if (null != suggestionMenu) {
        final Element divElement = suggestionMenu.getElement();
        final Node tableNode = divElement.getChild(divElement.getChildCount() - 1);
        final NodeList<Node> optionsList = HTMLDomUtil.getGrandChildren(tableNode, 1);
        Element tableRowElement = null;
        if (optionsList != null) {
            for (int optionIndex = 0; optionIndex < optionsList.getLength(); optionIndex++) {
                tableRowElement = (Element) optionsList.getItem(optionIndex);
                if (((Element) tableRowElement.getChild(0)).getClassName()
                        .contains(StyleConstant.SUGGEST_BOX_SELECTED_ITEM_CLASS_APPENDER)) {
                    tableRowElement.scrollIntoView();
                    break;
                }
            }
        }
    }
}

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From source file:com.googlecode.mgwt.examples.showcase.client.activities.button.BCFunctionButtonViewGwtImpl.java

License:Apache License

public static void parseIdsToMap(Element element, HashMap<String, Element> idMap) {
    int nodeCount = element.getChildCount();
    for (int i = 0; i < nodeCount; i++) {
        Element e = (Element) element.getChild(i);
        if (e.getId() != null) {
            idMap.put(e.getId(), e);/*from w  w w .  j  ava 2s. c  om*/
        }
    }
}

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From source file:com.gwtm.ui.client.widgets.FlipSwitch.java

License:Apache License

private void updateFlipPosition(int duration) {
    Utils.Fx.setTransitionDuration(getFilpElement(), duration);
    Element flip = getFilpElement();

    // make the value be visible during design time
    if (Beans.isDesignTime()) {
        Element flipDiv = (Element) flip.getChild(1);
        if (value) {
            flipDiv.removeAttribute("style");
        } else {/*from w ww.  j  a v a 2 s  . c om*/
            flipDiv.setAttribute("style", "position:absolute; left:0; height:2em; margin-left:.5px;");
        }
    } else {
        if (value) {
            Utils.Fx.setTranslateX(flip, getOnPosition());
        } else {
            Utils.Fx.setTranslateX(flip, getOffPosition());
        }
    }
}

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From source file:com.gwtmobile.ui.client.widgets.FlipSwitch.java

License:Apache License

private void updateFlipPosition(int duration) {
    Utils.setTransitionDuration(getFilpElement(), duration);
    Element flip = getFilpElement();

    // make the value be visible during design time
    if (Beans.isDesignTime()) {
        Element flipDiv = (Element) flip.getChild(1);
        if (value) {
            flipDiv.removeAttribute("style");
        } else {/*from www  . ja va2 s. c o  m*/
            flipDiv.setAttribute("style", "position:absolute; left:0; height:2em; margin-left:.5px;");
        }
    } else {
        if (value) {
            Utils.setTranslateX(flip, getOnPosition());
        } else {
            Utils.setTranslateX(flip, getOffPosition());
        }
    }
}

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From source file:com.haulmont.cuba.web.toolkit.ui.client.tableshared.TableWidgetDelegate.java

License:Apache License

public void setFocus(String itemKey, String columnKey) {
    HasWidgets row = tableWidget.getRenderedRowByKey(itemKey);
    int columnIndex = Arrays.asList(tableWidget.getVisibleColOrder()).indexOf(columnKey);

    for (Widget childWidget : row) {
        Element element = ((Widget) row).getElement();
        if (element.getChild(columnIndex).getFirstChild() == childWidget.getElement().getParentNode()) {
            this.focusWidget(childWidget);
            break;
        }/*w  w w .ja v  a  2  s.co  m*/
    }
}

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