/*
* Copyright 2000-2016 Vaadin Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.vaadin.client.ui.colorpicker;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.MouseUpEvent;
import com.google.gwt.event.dom.client.MouseUpHandler;
import com.google.gwt.user.client.ui.Widget;
import com.vaadin.client.annotations.OnStateChange;
import com.vaadin.client.communication.RpcProxy;
import com.vaadin.client.ui.AbstractComponentConnector;
import com.vaadin.shared.ui.Connect;
import com.vaadin.shared.ui.Connect.LoadStyle;
import com.vaadin.shared.ui.colorpicker.ColorPickerGradientServerRpc;
import com.vaadin.shared.ui.colorpicker.ColorPickerGradientState;
import com.vaadin.ui.components.colorpicker.ColorPickerGradient;
/**
* A class that defines the default implementation for a color picker gradient
* connector. Connects the server side
* {@link com.vaadin.ui.components.colorpicker.ColorPickerGradient} with the
* client side counterpart {@link VColorPickerGradient}
*
* @since 7.0.0
*/
@Connect(value = ColorPickerGradient.class, loadStyle = LoadStyle.LAZY)
public class ColorPickerGradientConnector extends AbstractComponentConnector
implements MouseUpHandler {
private ColorPickerGradientServerRpc rpc = RpcProxy
.create(ColorPickerGradientServerRpc.class, this);
@Override
protected Widget createWidget() {
return GWT.create(VColorPickerGradient.class);
}
@Override
public VColorPickerGradient getWidget() {
return (VColorPickerGradient) super.getWidget();
}
@Override
public ColorPickerGradientState getState() {
return (ColorPickerGradientState) super.getState();
}
@Override
public void onMouseUp(MouseUpEvent event) {
rpc.select(getWidget().getCursorX(), getWidget().getCursorY());
}
@Override
protected void init() {
super.init();
getWidget().addMouseUpHandler(this);
}
@OnStateChange({ "cursorX", "cursorY" })
void updateCursor() {
getWidget().setCursor(getState().cursorX, getState().cursorY);
}
@OnStateChange("bgColor")
void updateBgColor() {
getWidget().setBGColor(getState().bgColor);
}
}