org.broadleafcommerce.openadmin.client.presenter.entity.DynamicFormPresenter Maven / Gradle / Ivy

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BroadleafCommerce Open Admin Platform
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/*
 * Copyright 2008-2012 the original author or authors.
 *
 * 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.broadleafcommerce.openadmin.client.presenter.entity;

import com.google.gwt.event.shared.HandlerRegistration;
import com.smartgwt.client.data.DSCallback;
import com.smartgwt.client.data.DSRequest;
import com.smartgwt.client.data.DSResponse;
import com.smartgwt.client.rpc.RPCResponse;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.form.events.ItemChangedEvent;
import com.smartgwt.client.widgets.form.events.ItemChangedHandler;
import org.broadleafcommerce.openadmin.client.view.dynamic.form.DynamicFormDisplay;

/**
 * 
 * @author jfischer
 *
 */
public class DynamicFormPresenter {

	protected DynamicFormDisplay display;
	protected HandlerRegistration saveButtonHandlerRegistration;
	protected HandlerRegistration refreshButtonHandlerRegistration;
    protected HandlerRegistration itemChangedHandlerRegistration;
	
	public DynamicFormPresenter(DynamicFormDisplay display) {
		this.display = display;
	}
	
	public void setStartState() {
		display.getSaveButton().disable();
		display.getFormOnlyDisplay().getForm().enable();
		display.getRefreshButton().disable();
	}
	
	public void enable() {
		display.getSaveButton().enable();
		display.getFormOnlyDisplay().getForm().enable();
		display.getRefreshButton().enable();
	}
	
	public void disable() {
		display.getSaveButton().disable();
		display.getFormOnlyDisplay().getForm().disable();
		display.getRefreshButton().disable();
        display.getFormOnlyDisplay().getForm().clearValues();
		display.getFormOnlyDisplay().getForm().reset();
	}
	
	public void bind() {
		saveButtonHandlerRegistration=display.getSaveButton().addClickHandler(new ClickHandler() {
			public void onClick(ClickEvent event) {
				if (event.isLeftButtonDown()) {
					DSRequest requestProperties = new DSRequest();
					//requestProperties.setAttribute("dirtyValues", display.getFormOnlyDisplay().getForm().getChangedValues());
					if (display.getFormOnlyDisplay().getForm().validate()) {
						display.getFormOnlyDisplay().getForm().saveData(new DSCallback() {
                            public void execute(DSResponse response, Object rawData, DSRequest request) {
                                if (response.getStatus() != RPCResponse.STATUS_VALIDATION_ERROR) {
                                    display.getSaveButton().disable();
                                    display.getRefreshButton().disable();
                                }
                            }
                        }, requestProperties);
					}
				}
			}
        });
		refreshButtonHandlerRegistration=display.getRefreshButton().addClickHandler(new ClickHandler() {
			public void onClick(ClickEvent event) {
				if (event.isLeftButtonDown()) {
					display.getFormOnlyDisplay().getForm().reset();
					display.getSaveButton().disable();
                    display.getRefreshButton().disable();
				}
			}
        });
		itemChangedHandlerRegistration=display.getFormOnlyDisplay().getForm().addItemChangedHandler(new ItemChangedHandler() {
			public void onItemChanged(ItemChangedEvent event) {
				display.getSaveButton().enable();
                display.getRefreshButton().enable();
			}
		});
		
		exposeNativeEnableSaveButton();
	}
	
	public void enableSaveButton() {
		display.getSaveButton().enable();
        display.getRefreshButton().enable();
	}

	private native void exposeNativeEnableSaveButton() /*-{
		var currentDynamicFormPresenter = this;
		$wnd.enableSaveButton = function() {
			currentDynamicFormPresenter.@org.broadleafcommerce.openadmin.client.presenter.entity.DynamicFormPresenter::enableSaveButton()();
		}
	}-*/;

	public HandlerRegistration getSaveButtonHandlerRegistration() {
		return saveButtonHandlerRegistration;
	}

	public HandlerRegistration getRefreshButtonHandlerRegistration() {
		return refreshButtonHandlerRegistration;
	}

    public HandlerRegistration getItemChangedHandlerRegistration() {
        return itemChangedHandlerRegistration;
    }
}