/*
* 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.v7.client.ui.colorpicker;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Widget;
import com.vaadin.client.communication.RpcProxy;
import com.vaadin.client.communication.StateChangeEvent;
import com.vaadin.client.ui.colorpicker.VColorPickerGrid;
import com.vaadin.shared.ui.Connect;
import com.vaadin.shared.ui.Connect.LoadStyle;
import com.vaadin.v7.client.ui.AbstractLegacyComponentConnector;
import com.vaadin.v7.shared.ui.colorpicker.ColorPickerGridServerRpc;
import com.vaadin.v7.shared.ui.colorpicker.ColorPickerGridState;
import com.vaadin.v7.ui.components.colorpicker.ColorPickerGrid;
/**
* A class that defines the default implementation for a color picker grid
* connector. Connects the server side {@link ColorPickerGrid} with the client
* side counterpart {@link VColorPickerGrid}
*
* @since 7.0.0
*/
@Connect(value = ColorPickerGrid.class, loadStyle = LoadStyle.LAZY)
public class ColorPickerGridConnector extends AbstractLegacyComponentConnector
implements ClickHandler {
private ColorPickerGridServerRpc rpc = RpcProxy
.create(ColorPickerGridServerRpc.class, this);
@Override
protected Widget createWidget() {
return GWT.create(VColorPickerGrid.class);
}
@Override
public VColorPickerGrid getWidget() {
return (VColorPickerGrid) super.getWidget();
}
@Override
public ColorPickerGridState getState() {
return (ColorPickerGridState) super.getState();
}
@Override
public void onClick(ClickEvent event) {
rpc.select(getWidget().getSelectedX(), getWidget().getSelectedY());
}
@Override
public void onStateChanged(StateChangeEvent stateChangeEvent) {
super.onStateChanged(stateChangeEvent);
if (stateChangeEvent.hasPropertyChanged("rowCount")
|| stateChangeEvent.hasPropertyChanged("columnCount")
|| stateChangeEvent.hasPropertyChanged("updateGrid")) {
getWidget().updateGrid(getState().rowCount, getState().columnCount);
}
if (stateChangeEvent.hasPropertyChanged("changedX")
|| stateChangeEvent.hasPropertyChanged("changedY")
|| stateChangeEvent.hasPropertyChanged("changedColor")
|| stateChangeEvent.hasPropertyChanged("updateColor")) {
getWidget().updateColor(getState().changedColor,
getState().changedX, getState().changedY);
if (!getWidget().isGridLoaded()) {
rpc.refresh();
}
}
}
@Override
protected void init() {
super.init();
getWidget().addClickHandler(this);
}
}