/**
* Displays this menu at a specific xy position.
*
* @param x the x coordinate
* @param y the y coordinate
*/
public void showAt(int x, int y) {
MenuEvent me = new MenuEvent(this);
if (fireEvent(Events.BeforeShow, me)) {
RootPanel.get().add(this);
el().makePositionable(true);
onShow();
el().updateZIndex(0);
showing = true;
doAutoSize();
if (constrainViewport) {
Point p = el().adjustForConstraints(new Point(x, y));
x = p.x;
y = p.y;
}
setPagePosition(x + XDOM.getBodyScrollLeft(), y + XDOM.getBodyScrollTop());
if (enableScrolling) {
constrainScroll(y);
}
el().show();
eventPreview.add();
if (focusOnShow) {
focus();
}
fireEvent(Events.Show, me);
}
}
protected void fitContainer() {
if (container != null) {
Rectangle bounds = fly(container).getBounds();
setPagePosition(bounds.x, bounds.y);
setSize(bounds.width, bounds.height);
} else {
setPosition(0, 0);
setSize(XDOM.getViewportWidth(), XDOM.getViewportHeight());
}
}
/** Removes all CSS files dynamically added with {@link #addCss(String)}.<br> */
private void removeDynamicCss() {
Element eHead = XDOM.getDocument().getElementsByTagName(TAG_HEAD).getItem(0);
for (Map.Entry<String, Element> e : additionalCss.entrySet()) {
eHead.removeChild(e.getValue());
}
}
private void resizeLiveScroller() {
int h = grid.getHeight(true) - mainHd.getHeight(true);
if (isHorizontalScrollBarShowing()) {
h -= XDOM.getScrollBarWidth();
}
if (footer != null) {
h -= footer.getHeight();
}
liveScroller.setHeight(h, true);
}
@Override
protected void renderUI() {
super.renderUI();
scroller.setStyleAttribute("overflowY", "hidden");
liveScroller =
grid.el()
.insertFirst(
"<div class=\"x-livegrid-scroller\"><div style=\"width: "
+ XDOM.getScrollBarWidth()
+ "px;\"> </div></div>");
positionLiveScroller();
liveScroller.addEventsSunk(Event.ONSCROLL);
mainBody.addEventsSunk(Event.ONMOUSEWHEEL);
}
protected void constrainScroll(int y) {
int full = ul.setHeight("auto").getHeight();
int max = maxHeight != Style.DEFAULT ? maxHeight : (XDOM.getViewHeight(false) - y);
if (full > max && max > 0) {
activeMax = max - 10 - scrollerHeight * 2;
ul.setHeight(activeMax, true);
createScrollers();
} else {
ul.setHeight(full, true);
NodeList<Element> nodes = el().select(".x-menu-scroller");
for (int i = 0; i < nodes.getLength(); i++) {
fly(nodes.getItem(i)).hide();
}
}
ul.setScrollTop(0);
}
/**
* Dynamically adds the passed CSS to the document, and stores in {@link #additionalCss} the
* resulting <code><link rel="stylesheet"></code><br>
*
* @param css
*/
private void addCss(StylesheetDTO css) {
String id = Integer.valueOf(Random.nextInt()).toString();
Element eLink = DOM.createElement(TAG_LINK);
eLink.setAttribute(ATTRIBUTE_ID, id);
eLink.setAttribute(ATTRIBUTE_REL, "stylesheet");
eLink.setAttribute(ATTRIBUTE_TYPE, "text/css");
eLink.setAttribute(ATTRIBUTE_HREF, css.getUrl());
if (css.getMedia() != null) {
eLink.setAttribute(ATTRIBUTE_MEDIA, css.getMedia());
}
Element eHead = XDOM.getDocument().getElementsByTagName(TAG_HEAD).getItem(0);
eHead.appendChild(eLink);
additionalCss.put(id, eLink);
};
@Override
protected void onRemove(ListStore<ModelData> ds, ModelData m, int index, boolean isUpdate) {
super.onRemove(ds, m, index, isUpdate);
String groupField = getGroupField();
if (enableGrouping) {
String id =
getGroupId(
grid.getId(),
groupField,
getGroup(m.get(groupField), m, index, cm.findColumnIndex(groupField), ds));
Element g = XDOM.getElementById(id);
if (g != null && !g.getChildNodes().getItem(1).hasChildNodes()) {
fly(g).removeFromParent();
removeGroupId(id);
}
}
// apply empty text
}
/** Creates the underlying file input. */
private void createFileInput() {
if (file != null) {
el().removeChild(file.dom);
}
final InputElement fileElement = Document.get().createFileInputElement();
file = new El((Element) fileElement.cast());
file.addEventsSunk(Event.ONCHANGE | Event.FOCUSEVENTS);
file.setId(XDOM.getUniqueId());
file.addStyleName("x-form-file");
file.setTabIndex(-1);
getFileInput().setName(name);
getFileInput().setAccept(accept);
file.insertInto(getElement(), 1);
if (file != null) {
file.setEnabled(isEnabled());
}
}
/** Centers the window in the viewport. Should only be called when the window is visible. */
public void center() {
Point p = el().getAlignToXY(XDOM.getBody(), "c-c", null);
setPagePosition(p.x, p.y);
}