- /*
- * 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.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.AbstractComponentConnector;
- import com.vaadin.shared.ui.Connect;
- import com.vaadin.shared.ui.Connect.LoadStyle;
- import com.vaadin.shared.ui.colorpicker.ColorPickerGridServerRpc;
- import com.vaadin.shared.ui.colorpicker.ColorPickerGridState;
- import com.vaadin.ui.components.colorpicker.ColorPickerGrid;
-
- /**
- * A class that defines the default implementation for a color picker grid
- * connector. Connects the server side
- * {@link com.vaadin.ui.components.colorpicker.ColorPickerGrid} with the client
- * side counterpart {@link VColorPickerGrid}
- *
- * @since 7.0.0
- */
- @Connect(value = ColorPickerGrid.class, loadStyle = LoadStyle.LAZY)
- public class ColorPickerGridConnector extends AbstractComponentConnector
- 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);
- }
- }
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