/**
* Automatically tries to create a proxy image from given element.
*
* @param element
* @param alignImageToEvent if true, proxy image is aligned to start event, else next to mouse
* cursor
* @deprecated As of 7.2, call or override {@link #createDragImage(Element,boolean)} instead
*/
@Deprecated
public void createDragImage(
com.google.gwt.user.client.Element element, boolean alignImageToEvent) {
Element cloneNode = (Element) element.cloneNode(true);
// Set size explicitly for cloned node to avoid stretching #14617.
cloneNode.getStyle().setWidth(element.getOffsetWidth(), Unit.PX);
cloneNode.getStyle().setHeight(element.getOffsetHeight(), Unit.PX);
syncContent(element, cloneNode);
if (BrowserInfo.get().isIE()) {
if (cloneNode.getTagName().toLowerCase().equals("tr")) {
TableElement table = Document.get().createTableElement();
TableSectionElement tbody = Document.get().createTBodyElement();
table.appendChild(tbody);
tbody.appendChild(cloneNode);
cloneNode = table.cast();
}
}
if (alignImageToEvent) {
int absoluteTop = element.getAbsoluteTop();
int absoluteLeft = element.getAbsoluteLeft();
int clientX = WidgetUtil.getTouchOrMouseClientX(startEvent);
int clientY = WidgetUtil.getTouchOrMouseClientY(startEvent);
int offsetX = absoluteLeft - clientX;
int offsetY = absoluteTop - clientY;
setDragImage(cloneNode, offsetX, offsetY);
} else {
setDragImage(cloneNode);
}
}
/**
* TODO consider extracting touches support to an impl class specific for webkit (only browser
* that really supports touches).
*
* @param event
* @return
*/
protected int getEventPosition(Event event) {
if (isVertical()) {
return WidgetUtil.getTouchOrMouseClientY(event);
} else {
return WidgetUtil.getTouchOrMouseClientX(event);
}
}
@Override
protected void sendContextClickEvent(MouseEventDetails details, EventTarget eventTarget) {
// if element is the resize indicator, ignore the event
if (isResizeHandle(eventTarget)) {
WidgetUtil.clearTextSelection();
return;
}
EventCellReference<JsonObject> eventCell = getWidget().getEventCell();
Section section = eventCell.getSection();
String rowKey = null;
if (eventCell.isBody() && eventCell.getRow() != null) {
rowKey = getRowKey(eventCell.getRow());
}
String columnId = getColumnId(eventCell.getColumn());
getRpcProxy(GridServerRpc.class)
.contextClick(eventCell.getRowIndex(), rowKey, columnId, section, details);
WidgetUtil.clearTextSelection();
}
@Override
protected Slot getSlot(Element e, NativeEvent event) {
Slot slot = null;
if (getLayout().getElement() == e) {
// Most likely between components, use the closes one in that case
slot = findSlotHorizontally(12, event);
} else {
slot = WidgetUtil.findWidget(e, Slot.class);
if (slot == null) {
return null;
}
VAbstractOrderedLayout layout = VDragDropUtil.getSlotLayout(slot);
while (layout != getLayout() && getLayout().getElement().isOrHasChild(e.getParentElement())) {
e = e.getParentElement();
slot = WidgetUtil.findWidget(e, Slot.class);
if (slot == null) {
return null;
}
layout = VDragDropUtil.getSlotLayout(slot);
}
}
return slot;
}
@Override
public void onBrowserEvent(Event event) {
if (disabled || readonly) {
return;
}
final Element targ = DOM.eventGetTarget(event);
if (DOM.eventGetType(event) == Event.ONMOUSEWHEEL) {
processMouseWheelEvent(event);
} else if (dragging || targ == handle) {
processHandleEvent(event);
} else if (targ == smaller) {
decreaseValue(true);
} else if (targ == bigger) {
increaseValue(true);
} else if (DOM.eventGetType(event) == Event.MOUSEEVENTS) {
processBaseEvent(event);
} else if (BrowserInfo.get().isGecko() && DOM.eventGetType(event) == Event.ONKEYPRESS
|| !BrowserInfo.get().isGecko() && DOM.eventGetType(event) == Event.ONKEYDOWN) {
if (handleNavigation(event.getKeyCode(), event.getCtrlKey(), event.getShiftKey())) {
feedbackPopup.show();
delayedValueUpdater.trigger();
DOM.eventPreventDefault(event);
DOM.eventCancelBubble(event, true);
}
} else if (targ.equals(getElement()) && DOM.eventGetType(event) == Event.ONFOCUS) {
feedbackPopup.show();
} else if (targ.equals(getElement()) && DOM.eventGetType(event) == Event.ONBLUR) {
feedbackPopup.hide();
} else if (DOM.eventGetType(event) == Event.ONMOUSEDOWN) {
feedbackPopup.show();
}
if (WidgetUtil.isTouchEvent(event)) {
event.preventDefault(); // avoid simulated events
event.stopPropagation();
}
}
private void updateItem(VCheckBox widget, JsonObject item, boolean requireInitialization) {
String itemHtml = item.getString(ListingJsonConstants.JSONKEY_ITEM_VALUE);
if (!isHtmlContentAllowed()) {
itemHtml = WidgetUtil.escapeHTML(itemHtml);
}
String iconUrl = item.getString(ListingJsonConstants.JSONKEY_ITEM_ICON);
if (iconUrl != null && iconUrl.length() != 0) {
Icon icon = client.getIcon(iconUrl);
itemHtml = icon.getElement().getString() + itemHtml;
}
widget.setHTML(itemHtml);
widget.setValue(item.getBoolean(ListingJsonConstants.JSONKEY_ITEM_SELECTED));
setOptionEnabled(widget, item);
if (requireInitialization) {
widget.addStyleName(CLASSNAME_OPTION);
widget.addClickHandler(this);
getWidget().add(widget);
}
optionsToItems.put(widget, item);
}