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/*
@ITMillApache2LicenseForJavaFiles@
*/
package com.vaadin.terminal.gwt.client.ui;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ClickListener;
import com.google.gwt.user.client.ui.PopupListener;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.user.client.ui.PopupPanel.PositionCallback;
import com.vaadin.terminal.gwt.client.ApplicationConnection;
import com.vaadin.terminal.gwt.client.Paintable;
import com.vaadin.terminal.gwt.client.UIDL;
public class VPopupCalendar extends VTextualDate implements Paintable, Field,
ClickListener, PopupListener {
private final Button calendarToggle;
private final VCalendarPanel calendar;
private final VOverlay popup;
private boolean open = false;
public VPopupCalendar() {
super();
calendarToggle = new Button();
calendarToggle.setStyleName(CLASSNAME + "-button");
calendarToggle.setText("");
calendarToggle.addClickListener(this);
add(calendarToggle);
calendar = new VCalendarPanel(this);
popup = new VOverlay(true, true, true);
popup.setStyleName(VDateField.CLASSNAME + "-popup");
popup.setWidget(calendar);
popup.addPopupListener(this);
DOM.setElementProperty(calendar.getElement(), "id",
"PID_TOOLKIT_POPUPCAL");
}
@Override
public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
super.updateFromUIDL(uidl, client);
addStyleName(CLASSNAME + "-popupcalendar");
popup.setStyleName(VDateField.CLASSNAME + "-popup "
+ VDateField.CLASSNAME + "-"
+ resolutionToString(currentResolution));
if (date != null) {
calendar.updateCalendar();
}
calendarToggle.setEnabled(enabled);
}
public void onClick(Widget sender) {
if (sender == calendarToggle && !open) {
open = true;
calendar.updateCalendar();
// clear previous values
popup.setWidth("");
popup.setHeight("");
popup.setPopupPositionAndShow(new PositionCallback() {
public void setPosition(int offsetWidth, int offsetHeight) {
final int w = offsetWidth;
final int h = offsetHeight;
int t = calendarToggle.getAbsoluteTop();
int l = calendarToggle.getAbsoluteLeft();
if (l + w > Window.getClientWidth()
+ Window.getScrollLeft()) {
l = Window.getClientWidth() + Window.getScrollLeft()
- w;
}
if (t + h + calendarToggle.getOffsetHeight() + 30 > Window
.getClientHeight()
+ Window.getScrollTop()) {
t = Window.getClientHeight() + Window.getScrollTop()
- h - calendarToggle.getOffsetHeight() - 30;
l += calendarToggle.getOffsetWidth();
}
// fix size
popup.setWidth(w + "px");
popup.setHeight(h + "px");
popup.setPopupPosition(l, t
+ calendarToggle.getOffsetHeight() + 2);
setFocus(true);
}
});
}
}
public void onPopupClosed(PopupPanel sender, boolean autoClosed) {
if (sender == popup) {
buildDate();
// Sigh.
Timer t = new Timer() {
@Override
public void run() {
open = false;
}
};
t.schedule(100);
}
}
/**
* Sets focus to Calendar panel.
*
* @param focus
*/
public void setFocus(boolean focus) {
calendar.setFocus(focus);
}
@Override
protected int getFieldExtraWidth() {
if (fieldExtraWidth < 0) {
fieldExtraWidth = super.getFieldExtraWidth();
fieldExtraWidth += calendarToggle.getOffsetWidth();
}
return fieldExtraWidth;
}
}
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