private void commitPosition(int pos) {
lastElementX_ = pos;
// check to see if we're overlapping with another tab
for (int i = 0; i < dragTabsHost_.getChildCount(); i++) {
// skip non-element DOM nodes
Node node = dragTabsHost_.getChild(i);
if (node.getNodeType() != Node.ELEMENT_NODE) {
continue;
}
// skip the current candidate (no point in testing it for swap)
if (i == candidatePos_) {
continue;
}
// skip the element we're dragging and elements that are not tabs
Element ele = (Element) node;
if (ele == dragElement_ || ele.getClassName().indexOf("gwt-TabLayoutPanelTab") < 0) {
continue;
}
int left = DomUtils.leftRelativeTo(dragTabsHost_, ele);
int right = left + ele.getClientWidth();
int minOverlap = Math.min(initDragWidth_ / 2, ele.getClientWidth() / 2);
// a little complicated: compute the number of overlapping pixels
// with this element; if the overlap is more than half of our width
// (or the width of the candidate), it's swapping time
if (Math.min(lastElementX_ + initDragWidth_, right) - Math.max(lastElementX_, left)
>= minOverlap) {
dragTabsHost_.removeChild(dragPlaceholder_);
if (candidatePos_ > i) {
dragTabsHost_.insertBefore(dragPlaceholder_, ele);
} else {
dragTabsHost_.insertAfter(dragPlaceholder_, ele);
}
candidatePos_ = i;
// account for the extra element when moving to the right of the
// original location
if (dragElement_ != null && startPos_ != null) {
destPos_ = startPos_ <= candidatePos_ ? candidatePos_ - 1 : candidatePos_;
} else {
destPos_ = candidatePos_;
}
}
}
}
public void resize(int durationMilli, int newWidth) {
this.newWidth = newWidth;
this.initWidth = element.getClientWidth();
cancel();
currentOp = IabakoAnimation.RESIZE;
run(durationMilli);
}
/**
* Send new dimensions to the server.
*
* <p>For internal use only. May be removed or replaced in the future.
*/
public void sendClientResized() {
Profiler.enter("VUI.sendClientResized");
Element parentElement = getElement().getParentElement();
int viewHeight = parentElement.getClientHeight();
int viewWidth = parentElement.getClientWidth();
ResizeEvent.fire(this, viewWidth, viewHeight);
Profiler.leave("VUI.sendClientResized");
}
private int computeNewValue(DragEvent e) {
Element ele = getElement();
int offset = (int) e.X - ele.getAbsoluteLeft();
int width = ele.getClientWidth();
int value = offset * 100 / width;
if (value > 100) {
value = 100;
} else if (value < 0) {
value = 0;
}
return value;
}
/**
* Called when the window or parent div might have been resized.
*
* <p>This immediately checks the sizes of the window and the parent div (if monitoring it) and
* triggers layout recalculation if they have changed.
*
* @param newWindowWidth The new width of the window
* @param newWindowHeight The new height of the window
* @deprecated use {@link #performSizeCheck()}
*/
@Deprecated
protected void windowSizeMaybeChanged(int newWindowWidth, int newWindowHeight) {
if (connection == null) {
// Connection is null if the timer fires before the first UIDL
// update
return;
}
boolean changed = false;
ComponentConnector connector = ConnectorMap.get(connection).getConnector(this);
if (windowWidth != newWindowWidth) {
windowWidth = newWindowWidth;
changed = true;
connector.getLayoutManager().reportOuterWidth(connector, newWindowWidth);
VConsole.log("New window width: " + windowWidth);
}
if (windowHeight != newWindowHeight) {
windowHeight = newWindowHeight;
changed = true;
connector.getLayoutManager().reportOuterHeight(connector, newWindowHeight);
VConsole.log("New window height: " + windowHeight);
}
Element parentElement = getElement().getParentElement();
if (isMonitoringParentSize() && parentElement != null) {
// check also for parent size changes
int newParentWidth = parentElement.getClientWidth();
int newParentHeight = parentElement.getClientHeight();
if (parentWidth != newParentWidth) {
parentWidth = newParentWidth;
changed = true;
VConsole.log("New parent width: " + parentWidth);
}
if (parentHeight != newParentHeight) {
parentHeight = newParentHeight;
changed = true;
VConsole.log("New parent height: " + parentHeight);
}
}
if (changed) {
/*
* If the window size has changed, layout the VView again and send
* new size to the server if the size changed. (Just checking VView
* size would cause us to ignore cases when a relatively sized VView
* should shrink as the content's size is fixed and would thus not
* automatically shrink.)
*/
VConsole.log("Running layout functions due to window or parent resize");
// update size to avoid (most) redundant re-layout passes
// there can still be an extra layout recalculation if webkit
// overflow fix updates the size in a deferred block
if (isMonitoringParentSize() && parentElement != null) {
parentWidth = parentElement.getClientWidth();
parentHeight = parentElement.getClientHeight();
}
sendClientResized();
LayoutManager layoutManager = connector.getLayoutManager();
if (layoutManager.isLayoutRunning()) {
layoutManager.layoutLater();
} else {
layoutManager.layoutNow();
}
}
}
