@Override
public void hide() {
/*
* If the window has a RichTextArea and the RTA is focused at the time
* of hiding in IE8 only the window will have some problems returning
* the focus to the correct place. Curiously the focus will be returned
* correctly if clicking on the "close" button in the window header but
* closing the window from a button for example in the window will fail.
* Symptom described in #10776
*
* The problematic part is that for the focus to be returned correctly
* an input element needs to be focused in the root panel. Focusing some
* other element apparently won't work.
*/
if (BrowserInfo.get().isIE8()) {
fixIE8FocusCaptureIssue();
}
if (vaadinModality) {
hideModalityCurtain();
}
super.hide();
// Remove window from windowOrder to avoid references being left
// hanging.
windowOrder.remove(this);
}
@Override
protected void setZIndex(int zIndex) {
super.setZIndex(zIndex);
if (vaadinModality) {
DOM.setStyleAttribute(getModalityCurtain(), "zIndex", "" + zIndex);
}
}
// TODO this will eventually be removed, currently used to avoid updating to
// server side.
public void setPopupPositionNoUpdate(int left, int top) {
if (top < 0) {
// ensure window is not moved out of browser window from top of the
// screen
top = 0;
}
super.setPopupPosition(left, top);
}
@Override
public void show() {
if (!windowOrder.contains(this)) {
// This is needed if the window is hidden and then shown again.
// Otherwise this VWindow is added to windowOrder in the
// constructor.
windowOrder.add(this);
}
if (vaadinModality) {
showModalityCurtain();
}
super.show();
}
@Override
protected void onDetach() {
super.onDetach();
/*
* Restores the previously stored focused element.
*
* When the focus was changed outside the window while the window was
* open, the originally stored element is restored.
*/
getApplicationConnection().getUIConnector().getWidget().focusStoredElement();
removeTabBlockHandlers();
}
@Override
public void setPopupPosition(int left, int top) {
if (top < 0) {
// ensure window is not moved out of browser window from top of the
// screen
top = 0;
}
super.setPopupPosition(left, top);
if (left != uidlPositionX && client != null) {
client.updateVariable(id, "positionx", left, false);
uidlPositionX = left;
}
if (top != uidlPositionY && client != null) {
client.updateVariable(id, "positiony", top, false);
uidlPositionY = top;
}
}
@Override
public void setVisible(boolean visible) {
/*
* Visibility with VWindow works differently than with other Paintables
* in Vaadin. Invisible VWindows are not attached to DOM at all. Flag is
* used to avoid visibility call from
* ApplicationConnection.updateComponent();
*/
if (!visibilityChangesDisabled) {
super.setVisible(visible);
}
if (visible && BrowserInfo.get().isWebkit()) {
/*
* Shake up the DOM a bit to make the window shed unnecessary
* scrollbars and resize correctly afterwards. This resulting code
* took over a week to summon forth, and involved some pretty hairy
* black magic. Don't touch it unless you know what you're doing!
* Fixes ticket #11994
*/
Scheduler.get()
.scheduleFinally(
new ScheduledCommand() {
@Override
public void execute() {
final com.google.gwt.dom.client.Element scrollable =
contents.getFirstChildElement();
final String oldWidth = scrollable.getStyle().getWidth();
final String oldHeight = scrollable.getStyle().getHeight();
scrollable.getStyle().setWidth(110, Unit.PCT);
scrollable.getOffsetWidth();
scrollable.getStyle().setProperty("width", oldWidth);
scrollable.getStyle().setHeight(110, Unit.PCT);
scrollable.getOffsetHeight();
scrollable.getStyle().setProperty("height", oldHeight);
updateContentsSize();
positionOrSizeUpdated();
}
});
}
}
@Override
protected void onAttach() {
super.onAttach();
/*
* Stores the element that has focus in the application UI when the
* window is opened, so it can be restored when the window closes.
*
* This is currently implemented for the case when one non-modal window
* can be open at the same time, and the focus is not changed while the
* window is open.
*/
getApplicationConnection().getUIConnector().getWidget().storeFocus();
/*
* When this window gets reattached, set the tabstop to the previous
* state.
*/
setTabStopEnabled(doTabStop);
}
@Override
public void onBrowserEvent(final Event event) {
boolean bubble = true;
final int type = event.getTypeInt();
final Element target = DOM.eventGetTarget(event);
if (resizing || resizeBox == target) {
onResizeEvent(event);
bubble = false;
} else if (isClosable() && target == closeBox) {
if (type == Event.ONCLICK) {
onCloseClick();
}
bubble = false;
} else if (target == maximizeRestoreBox) {
// handled in connector
if (type != Event.ONCLICK) {
bubble = false;
}
} else if (header.isOrHasChild(target) && !dragging) {
// dblclick handled in connector
if (type != Event.ONDBLCLICK && draggable) {
if (type == Event.ONMOUSEDOWN) {
headerDragPending = event;
} else if (type == Event.ONMOUSEMOVE && headerDragPending != null) {
// ie won't work unless this is set here
dragging = true;
onDragEvent(headerDragPending);
onDragEvent(event);
headerDragPending = null;
} else {
headerDragPending = null;
}
bubble = false;
}
} else if (dragging || !contents.isOrHasChild(target)) {
onDragEvent(event);
bubble = false;
} else if (type == Event.ONCLICK) {
// clicked inside window, ensure to be on top
if (!isActive()) {
bringToFront();
}
}
/*
* If clicking on other than the content, move focus to the window.
* After that this windows e.g. gets all keyboard shortcuts.
*/
if (type == Event.ONMOUSEDOWN
&& !contentPanel.getElement().isOrHasChild(target)
&& target != closeBox
&& target != maximizeRestoreBox) {
contentPanel.focus();
}
if (!bubble) {
event.stopPropagation();
} else {
// Super.onBrowserEvent takes care of Handlers added by the
// ClickEventHandler
super.onBrowserEvent(event);
}
}
