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/*
@VaadinApache2LicenseForJavaFiles@
*/
package com.vaadin.terminal.gwt.client.ui;
import com.google.gwt.dom.client.Element;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.ui.Button;
import com.vaadin.terminal.gwt.client.ApplicationConnection;
import com.vaadin.terminal.gwt.client.BrowserInfo;
import com.vaadin.terminal.gwt.client.MouseEventDetails;
import com.vaadin.terminal.gwt.client.MouseEventDetailsBuilder;
import com.vaadin.terminal.gwt.client.Util;
import com.vaadin.terminal.gwt.client.VTooltip;
import com.vaadin.terminal.gwt.client.ui.ButtonConnector.ButtonServerRpc;
public class VNativeButton extends Button implements ClickHandler {
public static final String CLASSNAME = "v-nativebutton";
protected String width = null;
protected String paintableId;
protected ApplicationConnection client;
ButtonServerRpc buttonRpcProxy;
protected Element errorIndicatorElement;
protected final Element captionElement = DOM.createSpan();
protected Icon icon;
/**
* Helper flag to handle special-case where the button is moved from under
* mouse while clicking it. In this case mouse leaves the button without
* moving.
*/
private boolean clickPending;
protected boolean disableOnClick = false;
public VNativeButton() {
setStyleName(CLASSNAME);
getElement().appendChild(captionElement);
captionElement.setClassName(getStyleName() + "-caption");
addClickHandler(this);
sinkEvents(VTooltip.TOOLTIP_EVENTS);
sinkEvents(Event.ONMOUSEDOWN);
sinkEvents(Event.ONMOUSEUP);
}
@Override
public void setText(String text) {
captionElement.setInnerText(text);
}
@Override
public void onBrowserEvent(Event event) {
super.onBrowserEvent(event);
if (DOM.eventGetType(event) == Event.ONLOAD) {
Util.notifyParentOfSizeChange(this, true);
} else if (DOM.eventGetType(event) == Event.ONMOUSEDOWN
&& event.getButton() == Event.BUTTON_LEFT) {
clickPending = true;
} else if (DOM.eventGetType(event) == Event.ONMOUSEMOVE) {
clickPending = false;
} else if (DOM.eventGetType(event) == Event.ONMOUSEOUT) {
if (clickPending) {
click();
}
clickPending = false;
}
if (client != null) {
client.handleTooltipEvent(event, this);
}
}
@Override
public void setWidth(String width) {
this.width = width;
super.setWidth(width);
}
/*
* (non-Javadoc)
*
* @see
* com.google.gwt.event.dom.client.ClickHandler#onClick(com.google.gwt.event
* .dom.client.ClickEvent)
*/
public void onClick(ClickEvent event) {
if (paintableId == null || client == null) {
return;
}
if (BrowserInfo.get().isSafari()) {
VNativeButton.this.setFocus(true);
}
if (disableOnClick) {
setEnabled(false);
buttonRpcProxy.disableOnClick();
}
// Add mouse details
MouseEventDetails details = MouseEventDetailsBuilder
.buildMouseEventDetails(event.getNativeEvent(), getElement());
buttonRpcProxy.click(details);
clickPending = false;
}
@Override
public void setEnabled(boolean enabled) {
if (isEnabled() != enabled) {
super.setEnabled(enabled);
setStyleName(ApplicationConnection.DISABLED_CLASSNAME, !enabled);
}
}
}
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