/*
* Copyright 2015 JBoss Inc
*
* 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 org.uberfire.ext.layout.editor.client.infra;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONParser;
import com.google.gwt.json.client.JSONString;
import org.jboss.errai.ioc.client.container.IOC;
import org.uberfire.ext.layout.editor.client.api.HasDragAndDropSettings;
import org.uberfire.ext.layout.editor.client.api.LayoutDragComponent;
public class DndDataJSONConverter {
public static final String COMPONENT_TYPE = "type";
public static final String COMPONENT_PARAMS = "params";
public String generateDragComponentJSON(LayoutDragComponent dragComponent) {
JSONObject jsonComponent = new JSONObject();
extractBeanClass(dragComponent,
jsonComponent);
if (dragComponent instanceof HasDragAndDropSettings) {
JSONObject params = new JSONObject();
HasDragAndDropSettings sComponent = (HasDragAndDropSettings) dragComponent;
for (String key : sComponent.getSettingsKeys()) {
String value = sComponent.getSettingValue(key);
params.put(key,
new JSONString(value));
}
jsonComponent.put(COMPONENT_PARAMS,
params);
}
return jsonComponent.toString();
}
private void extractBeanClass(LayoutDragComponent dragComponent,
JSONObject jsonComponent) {
LayoutDragComponentHelper layoutDragComponentHelper = getDragHelper();
jsonComponent.put(COMPONENT_TYPE,
new JSONString(layoutDragComponentHelper.getRealBeanClass(dragComponent)));
}
private LayoutDragComponentHelper getDragHelper() {
return IOC.getBeanManager().lookupBean(LayoutDragComponentHelper.class).getInstance();
}
public LayoutDragComponent readJSONDragComponent(String json) {
JSONObject jsonObject = JSONParser.parseStrict(json).isObject();
JSONString typeValue = jsonObject.get(COMPONENT_TYPE).isString();
if (typeValue != null) {
String type = typeValue.stringValue();
return getLayoutDragComponent(jsonObject,
type);
}
return null;
}
private LayoutDragComponent getLayoutDragComponent(JSONObject jsonObject,
String type) {
LayoutDragComponent dragComponent = getLayoutDragComponent(type);
if (dragComponent instanceof HasDragAndDropSettings) {
HasDragAndDropSettings sComponent = (HasDragAndDropSettings) dragComponent;
JSONObject params = jsonObject.get(COMPONENT_PARAMS).isObject();
if (params != null) {
for (String key : params.keySet()) {
JSONString value = params.get(key).isString();
if (value != null) {
sComponent.setSettingValue(key,
value.stringValue());
}
}
}
}
return dragComponent;
}
private LayoutDragComponent getLayoutDragComponent(String type) {
LayoutDragComponentHelper layoutDragComponentHelper = getDragHelper();
LayoutDragComponent layoutDragComponent = layoutDragComponentHelper.lookupDragTypeBean(type);
return layoutDragComponent;
}
}