本文整理匯總了Java中com.google.gwt.dom.client.NativeEvent.BUTTON_LEFT屬性的典型用法代碼示例。如果您正苦於以下問題：Java NativeEvent.BUTTON_LEFT屬性的具體用法？Java NativeEvent.BUTTON_LEFT怎麽用？Java NativeEvent.BUTTON_LEFT使用的例子？那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類com.google.gwt.dom.client.NativeEvent的用法示例。
在下文中一共展示了NativeEvent.BUTTON_LEFT屬性的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: onMouseDown
@Override
public void onMouseDown(MouseDownEvent event) {
startX = event.getClientX();
startY = event.getClientY();
if (isDisabled() || event.getNativeButton() != NativeEvent.BUTTON_LEFT) {
return;
}
clickTarget = Element.as(event.getNativeEvent().getEventTarget());
mouseMoveCanceled = false;
if ((weekGrid.getCalendar().isItemMoveAllowed() && getCalendarItem().isMoveable())
|| (clickTargetsResize() && getCalendarItem().isResizeable())) {
moveRegistration = addMouseMoveHandler(this);
setFocus(true);
try {
startYrelative = (int) ((double) event.getRelativeY(caption) % slotHeight);
startXrelative = (event.getRelativeX(weekGrid.getElement())
- weekGrid.timebar.getOffsetWidth())
% getDateCellWidth();
} catch (Exception e) {
GWT.log("Exception calculating relative start position", e);
}
mouseMoveStarted = false;
Style s = getElement().getStyle();
s.setZIndex(1000);
startDatetimeFrom = (Date) calendarItem.getStartTime().clone();
startDatetimeTo = (Date) calendarItem.getEndTime().clone();
Event.setCapture(getElement());
}
// make sure the right cursor is always displayed
if (clickTargetsResize() && getCalendarItem().isResizeable()) {
addGlobalResizeStyle();
}
/*
* We need to stop the event propagation or else the WeekGrid range
* select will kick in
*/
event.stopPropagation();
event.preventDefault();
}
示例2: onMouseUp
@Override
public void onMouseUp(MouseUpEvent event) {
if (mouseMoveCanceled
|| event.getNativeButton() != NativeEvent.BUTTON_LEFT) {
return;
}
Event.releaseCapture(getElement());
setFocus(false);
if (moveRegistration != null) {
moveRegistration.removeHandler();
moveRegistration = null;
}
int endX = event.getClientX();
int endY = event.getClientY();
int xDiff = 0, yDiff = 0;
if (startX != -1 && startY != -1) {
// Drag started
xDiff = startX - endX;
yDiff = startY - endY;
}
startX = -1;
startY = -1;
mouseMoveStarted = false;
Style s = getElement().getStyle();
s.setZIndex(1);
if (!clickTargetsResize()) {
// check if mouse has moved over threshold of 3 pixels
boolean mouseMoved = (xDiff < -3 || xDiff > 3 || yDiff < -3 || yDiff > 3);
if (!weekGrid.getCalendar().isDisabled() && mouseMoved) {
// Item Move:
// - calendar must be enabled
// - calendar must not be in read-only mode
weekGrid.itemMoved(this);
} else if (!weekGrid.getCalendar().isDisabled() && getCalendarItem().isClickable()) {
// Item Click:
// - calendar must be enabled (read-only is allowed)
EventTarget et = event.getNativeEvent().getEventTarget();
Element e = Element.as(et);
if (e == caption || e == eventContent
|| e.getParentElement() == caption) {
if (weekGrid.getCalendar().getItemClickListener() != null) {
weekGrid.getCalendar().getItemClickListener().itemClick(calendarItem);
}
}
}
} else {
// click targeted resize bar
removeGlobalResizeStyle();
if (weekGrid.getCalendar().getItemResizeListener() != null) {
weekGrid.getCalendar().getItemResizeListener().itemResized(calendarItem);
}
dateCell.recalculateItemWidths();
}
}
示例3: onMouseUp
@Override
public void onMouseUp(MouseUpEvent event) {
if (event.getNativeButton() != NativeEvent.BUTTON_LEFT) {
return;
}
if (moveRegistration != null) {
Event.releaseCapture(getElement());
moveRegistration.removeHandler();
moveRegistration = null;
keyDownHandler.removeHandler();
keyDownHandler = null;
}
Widget w = (Widget) event.getSource();
if (w == bottomspacer && monthEventMouseDown) {
GWT.log("Mouse up over bottomspacer");
} else if (clickedWidget instanceof MonthItemLabel && monthEventMouseDown) {
MonthItemLabel mel = (MonthItemLabel) clickedWidget;
int endX = event.getClientX();
int endY = event.getClientY();
int xDiff = 0, yDiff = 0;
if (startX != -1 && startY != -1) {
xDiff = startX - endX;
yDiff = startY - endY;
}
startX = -1;
startY = -1;
prevDayDiff = 0;
prevWeekDiff = 0;
if (xDiff < -3 || xDiff > 3 || yDiff < -3 || yDiff > 3) {
itemMoved(movingItem);
} else if (calendar.getItemClickListener() != null) {
CalendarItem e = getItemByWidget(mel);
if(e.isClickable())
calendar.getItemClickListener().itemClick(e);
}
movingItem = null;
} else if (w == this) {
getMonthGrid().setSelectionReady();
} else if (w instanceof Label && labelMouseDown) {
if (calendar.getDateClickListener() != null) {
calendar.getDateClickListener().dateClick(DateConstants.toRPCDate(date));
}
}
monthEventMouseDown = false;
labelMouseDown = false;
clickedWidget = null;
}
示例4: onMouseDown
@Override
public void onMouseDown(MouseDownEvent event) {
if (calendar.isDisabled() || event.getNativeButton() != NativeEvent.BUTTON_LEFT) {
return;
}
Widget w = (Widget) event.getSource();
clickedWidget = w;
if (w instanceof MonthItemLabel) {
// event clicks should be allowed even when read-only
monthEventMouseDown = true;
if (calendar.isItemMoveAllowed()
&& ((MonthItemLabel)w).getCalendarItem().isMoveable()) {
startCalendarItemDrag(event, (MonthItemLabel) w);
}
} else if (w == bottomspacer) {
if (extended) {
setLimitedCellHeight();
} else {
setUnlimitedCellHeight();
}
reDraw(true);
} else if (w instanceof Label) {
labelMouseDown = true;
} else if (w == this && !extended) {
MonthGrid grid = getMonthGrid();
if (grid.isEnabled() && calendar.isRangeSelectAllowed()) {
grid.setSelectionStart(this);
grid.setSelectionEnd(this);
}
}
event.stopPropagation();
event.preventDefault();
}