private void addGlobalResizeStyle() {
if (clickTarget == topResizeBar) {
weekGrid.getCalendar().addStyleDependentName("nresize");
} else if (clickTarget == bottomResizeBar) {
weekGrid.getCalendar().addStyleDependentName("sresize");
}
}
/**
* @param dateOffset
* @return the amount of pixels the given date is from the left side
*/
private int calculateDateCellOffsetPx(int dateOffset) {
int dateCellOffset = 0;
int[] dateWidths = weekGrid.getDateCellWidths();
if (dateWidths != null) {
for (int i = 0; i < dateOffset; i++) {
dateCellOffset += dateWidths[i] + 1;
}
} else {
dateCellOffset = dateOffset * weekGrid.getDateCellWidth();
}
return dateCellOffset;
}
public void updatePosition(long startFromMinutes, long durationInMinutes) {
if (startFromMinutes < 0) {
startFromMinutes = 0;
}
top = weekGrid.getPixelTopFor((int) startFromMinutes);
getElement().getStyle().setTop(top, Unit.PX);
if (durationInMinutes > 0) {
int heightMinutes =
weekGrid.getPixelLengthFor((int) startFromMinutes, (int) durationInMinutes);
setHeight(heightMinutes);
} else {
setHeight(-1);
}
boolean multiRowCaption = (durationInMinutes > 30);
updateCaptions(multiRowCaption);
}
/* Returns total width of all date cells. */
private int getDatesWidth() {
if (weekGrid.width == -1) {
// Undefined width. Needs to be calculated by the known cell
// widths.
int count = weekGrid.content.getWidgetCount() - 1;
return count * getDateCellWidth();
}
return weekGrid.getInternalWidth();
}
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().isEventMoveAllowed() || clickTargetsResize()) {
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) calendarEvent.getStartTime().clone();
startDatetimeTo = (Date) calendarEvent.getEndTime().clone();
Event.setCapture(getElement());
}
// make sure the right cursor is always displayed
if (clickTargetsResize()) {
addGlobalResizeStyle();
}
/*
* We need to stop the event propagation or else the WeekGrid
* range select will kick in
*/
event.stopPropagation();
event.preventDefault();
}
public DateCellDayEvent(DateCell dateCell, WeekGrid parent, CalendarEvent event) {
super();
this.dateCell = dateCell;
handlers = new LinkedList<HandlerRegistration>();
setStylePrimaryName("v-calendar-event");
setCalendarEvent(event);
weekGrid = parent;
Style s = getElement().getStyle();
if (event.getStyleName().length() > 0) {
addStyleDependentName(event.getStyleName());
}
s.setPosition(Position.ABSOLUTE);
caption = DOM.createDiv();
caption.addClassName("v-calendar-event-caption");
getElement().appendChild(caption);
eventContent = DOM.createDiv();
eventContent.addClassName("v-calendar-event-content");
getElement().appendChild(eventContent);
VCalendar calendar = weekGrid.getCalendar();
if (weekGrid.getCalendar().isEventResizeAllowed()) {
topResizeBar = DOM.createDiv();
bottomResizeBar = DOM.createDiv();
topResizeBar.addClassName("v-calendar-event-resizetop");
bottomResizeBar.addClassName("v-calendar-event-resizebottom");
getElement().appendChild(topResizeBar);
getElement().appendChild(bottomResizeBar);
}
eventIndex = event.getIndex();
}
public void onMouseUp(MouseUpEvent event) {
if (mouseMoveCanceled) {
return;
}
Event.releaseCapture(getElement());
setFocus(false);
if (moveRegistration != null) {
moveRegistration.removeHandler();
moveRegistration = null;
}
int endX = event.getClientX();
int endY = event.getClientY();
int xDiff = startX - endX;
int 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().isDisabledOrReadOnly() && mouseMoved) {
// Event Move:
// - calendar must be enabled
// - calendar must not be in read-only mode
weekGrid.eventMoved(this);
} else if (!weekGrid.getCalendar().isDisabled()) {
// Event 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().getEventClickListener() != null) {
weekGrid.getCalendar().getEventClickListener().eventClick(calendarEvent);
}
}
}
} else { // click targeted resize bar
removeGlobalResizeStyle();
if (weekGrid.getCalendar().getEventResizeListener() != null) {
weekGrid.getCalendar().getEventResizeListener().eventResized(calendarEvent);
}
}
}
private void removeGlobalResizeStyle() {
weekGrid.getCalendar().removeStyleDependentName("nresize");
weekGrid.getCalendar().removeStyleDependentName("sresize");
}
/** @return true if the current mouse movement is resizing */
private boolean clickTargetsResize() {
return weekGrid.getCalendar().isEventResizeAllowed()
&& (clickTarget == topResizeBar || clickTarget == bottomResizeBar);
}
private int getDateCellWidth() {
return weekGrid.getDateCellWidth();
}
@SuppressWarnings("deprecation")
public void onMouseMove(MouseMoveEvent event) {
if (startY < 0 && startX < 0) {
return;
}
if (isDisabled()) {
Event.releaseCapture(getElement());
mouseMoveStarted = false;
startY = -1;
startX = -1;
removeGlobalResizeStyle();
return;
}
int currentY = event.getClientY();
int currentX = event.getClientX();
int moveY = (currentY - startY);
int moveX = (currentX - startX);
if ((moveY < 5 && moveY > -6) && (moveX < 5 && moveX > -6)) {
return;
}
if (!mouseMoveStarted) {
setWidth(moveWidth);
getElement().getStyle().setMarginLeft(0, Unit.PX);
mouseMoveStarted = true;
}
HorizontalPanel parent = (HorizontalPanel) getParent().getParent();
int relativeX = event.getRelativeX(parent.getElement()) - weekGrid.timebar.getOffsetWidth();
int halfHourDiff = 0;
if (moveY > 0) {
halfHourDiff = (startYrelative + moveY) / slotHeight;
} else {
halfHourDiff = (moveY - startYrelative) / slotHeight;
}
int dateCellWidth = getDateCellWidth();
long dayDiff = 0;
if (moveX >= 0) {
dayDiff = (startXrelative + moveX) / dateCellWidth;
} else {
dayDiff = (moveX - (dateCellWidth - startXrelative)) / dateCellWidth;
}
int dayOffset = relativeX / dateCellWidth;
// sanity check for right side overflow
int dateCellCount = weekGrid.getDateCellCount();
if (dayOffset >= dateCellCount) {
dayOffset--;
dayDiff--;
}
int dayOffsetPx = calculateDateCellOffsetPx(dayOffset) + weekGrid.timebar.getOffsetWidth();
GWT.log(
"DateCellWidth: "
+ dateCellWidth
+ " dayDiff: "
+ dayDiff
+ " dayOffset: "
+ dayOffset
+ " dayOffsetPx: "
+ dayOffsetPx
+ " startXrelative: "
+ startXrelative
+ " moveX: "
+ moveX);
if (relativeX < 0 || relativeX >= getDatesWidth()) {
return;
}
Style s = getElement().getStyle();
Date from = calendarEvent.getStartTime();
Date to = calendarEvent.getEndTime();
long duration = to.getTime() - from.getTime();
if (!clickTargetsResize() && weekGrid.getCalendar().isEventMoveAllowed()) {
long daysMs = dayDiff * DateConstants.DAYINMILLIS;
from.setTime(startDatetimeFrom.getTime() + daysMs);
from.setTime(from.getTime() + ((long) halfHourInMilliSeconds * halfHourDiff));
to.setTime((from.getTime() + duration));
calendarEvent.setStartTime(from);
calendarEvent.setEndTime(to);
calendarEvent.setStart(new Date(from.getTime()));
calendarEvent.setEnd(new Date(to.getTime()));
// Set new position for the event
long startFromMinutes = (from.getHours() * 60) + from.getMinutes();
long range = calendarEvent.getRangeInMinutes();
startFromMinutes = calculateStartFromMinute(startFromMinutes, from, to, dayOffsetPx);
if (startFromMinutes < 0) {
range += startFromMinutes;
}
updatePosition(startFromMinutes, range);
s.setLeft(dayOffsetPx, Unit.PX);
if (weekGrid.getDateCellWidths() != null) {
s.setWidth(weekGrid.getDateCellWidths()[dayOffset], Unit.PX);
} else {
setWidth(moveWidth);
}
} else if (clickTarget == topResizeBar) {
long oldStartTime = startDatetimeFrom.getTime();
long newStartTime = oldStartTime + ((long) halfHourInMilliSeconds * halfHourDiff);
if (!isTimeRangeTooSmall(newStartTime, startDatetimeTo.getTime())) {
newStartTime = startDatetimeTo.getTime() - getMinTimeRange();
}
from.setTime(newStartTime);
calendarEvent.setStartTime(from);
calendarEvent.setStart(new Date(from.getTime()));
// Set new position for the event
long startFromMinutes = (from.getHours() * 60) + from.getMinutes();
long range = calendarEvent.getRangeInMinutes();
updatePosition(startFromMinutes, range);
} else if (clickTarget == bottomResizeBar) {
long oldEndTime = startDatetimeTo.getTime();
long newEndTime = oldEndTime + ((long) halfHourInMilliSeconds * halfHourDiff);
if (!isTimeRangeTooSmall(startDatetimeFrom.getTime(), newEndTime)) {
newEndTime = startDatetimeFrom.getTime() + getMinTimeRange();
}
to.setTime(newEndTime);
calendarEvent.setEndTime(to);
calendarEvent.setEnd(new Date(to.getTime()));
// Set new position for the event
long startFromMinutes = (startDatetimeFrom.getHours() * 60) + startDatetimeFrom.getMinutes();
long range = calendarEvent.getRangeInMinutes();
startFromMinutes = calculateStartFromMinute(startFromMinutes, from, to, dayOffsetPx);
if (startFromMinutes < 0) {
range += startFromMinutes;
}
updatePosition(startFromMinutes, range);
}
}
