Resizer.java

/*
 Copyright (c) 2014 Ahomé Innovation Technologies. All rights reserved.

 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.ait.toolkit.sencha.ext.client.resizer;

import com.ait.toolkit.sencha.ext.client.core.Component;
import com.ait.toolkit.sencha.ext.client.events.resizer.BeforeResizeHandler;
import com.ait.toolkit.sencha.ext.client.events.resizer.ResizeHandler;
import com.ait.toolkit.sencha.shared.client.core.ObservableJso;
import com.ait.toolkit.sencha.shared.client.dom.ExtElement;
import com.google.gwt.core.client.JavaScriptObject;

public class Resizer extends ObservableJso {

	private Resizer(ResizerConfig config) {
		jsObj = createNativePeer(config.getJsObj());
	}

	public static Resizer create(ResizerConfig config) {
		return new Resizer(config);
	}

	protected Resizer(JavaScriptObject obj) {
		jsObj = obj;
	}

	/**
	 * Returns the element that was configured with the el or target config
	 * property. If a component was configured with the target property then
	 * this will return the element of this component.
	 * <p>
	 * Textarea and img elements will be wrapped with an additional div because
	 * these elements do not support child nodes. The original element can be
	 * accessed through the originalTarget property.
	 */
	public native ExtElement getEl()/*-{
		var obj = this.@com.ait.toolkit.core.client.JsObject::getJsObj()();
		var peer = obj.getEl();
		return @com.ait.toolkit.sencha.shared.client.dom.ExtElement::new(Lcom/google/gwt/core/client/JavaScriptObject;)(peer);
	}-*/;

	/**
	 * Returns the element or component that was configured with the target
	 * config property.
	 * <p>
	 * Textarea and img elements will be wrapped with an additional div because
	 * these elements do not support child nodes. The original element can be
	 * accessed through the originalTarget property.
	 */
	public native ExtElement getTargetElement()/*-{
		var obj = this.@com.ait.toolkit.core.client.JsObject::getJsObj()();
		var peer = obj.getTarget();
		return @com.ait.toolkit.sencha.shared.client.dom.ExtElement::new(Lcom/google/gwt/core/client/JavaScriptObject;)(peer);
	}-*/;

	/**
	 * Returns the element or component that was configured with the target
	 * config property.
	 * <p>
	 * Textarea and img elements will be wrapped with an additional div because
	 * these elements do not support child nodes. The original element can be
	 * accessed through the originalTarget property.
	 */
	public native Component getTarget()/*-{
		var obj = this.@com.ait.toolkit.core.client.JsObject::getJsObj()();
		var peer = obj.getTarget();
		return @com.ait.toolkit.sencha.ext.client.core.Component::createComponent(Lcom/google/gwt/core/client/JavaScriptObject;)(peer);
	}-*/;

	/**
	 * Perform a manual resize and fires the 'resize' event.
	 */
	public native void resizeTo(double width, double height)/*-{
		var obj = this.@com.ait.toolkit.core.client.JsObject::getJsObj()();
		obj.resizeTo(width, height);
	}-*/;

	/**
	 * Use this handler to listen to the resize and resize drag event
	 */
	public native void addHandler(String event, ResizeHandler handler)/*-{
		var obj = this.@com.ait.toolkit.core.client.JsObject::getJsObj()();
		obj
				.addListener(
						event,
						$entry(function(r, w, h, e) {
							var resizer = @com.ait.toolkit.sencha.ext.client.resizer.Resizer::new(Lcom/google/gwt/core/client/JavaScriptObject;)(r);
							var event = @com.ait.toolkit.sencha.shared.client.core.EventObject::new(Lcom/google/gwt/core/client/JavaScriptObject;)(e);
							handler.@com.ait.toolkit.sencha.ext.client.events.resizer.ResizeHandler::onEvent(Lcom/ait/toolkit/sencha/ext/client/resizer/Resizer;DDLcom/ait/toolkit/sencha/shared/client/core/EventObject;)(resizer,w,h,event);
						}));
	}-*/;

	/**
	 * Fired before resize is allowed. Return false to cancel resize.
	 */
	public native void addBeforeResizeHandler(BeforeResizeHandler handler)/*-{
		var obj = this.@com.ait.toolkit.core.client.JsObject::getJsObj()();
		obj
				.addListener(
						@com.ait.toolkit.sencha.ext.client.events.Event::BEFORE_RESIZE,
						$entry(function(r, w, h, e) {
							var resizer = @com.ait.toolkit.sencha.ext.client.resizer.Resizer::new(Lcom/google/gwt/core/client/JavaScriptObject;)(r);
							var event = @com.ait.toolkit.sencha.shared.client.core.EventObject::new(Lcom/google/gwt/core/client/JavaScriptObject;)(e);
							return handler.@com.ait.toolkit.sencha.ext.client.events.resizer.BeforeResizeHandler::onEvent(Lcom/ait/toolkit/sencha/ext/client/resizer/Resizer;DDLcom/ait/toolkit/sencha/shared/client/core/EventObject;)(resizer,w,h,event);
						}));
	}-*/;

	private static native JavaScriptObject createNativePeer(
			JavaScriptObject config)/*-{
		return new $wnd.Ext.resizer.Resizer(config);
	}-*/;

}