Editor.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.ui;

import java.util.Date;

import com.ait.toolkit.sencha.ext.client.core.Component;
import com.ait.toolkit.sencha.ext.client.events.HandlerRegistration;
import com.ait.toolkit.sencha.ext.client.events.editor.BeforeCompleteHandler;
import com.ait.toolkit.sencha.ext.client.events.editor.BeforeStartEditHandler;
import com.ait.toolkit.sencha.ext.client.events.editor.CancelEditHandler;
import com.ait.toolkit.sencha.ext.client.events.editor.CompleteHandler;
import com.ait.toolkit.sencha.ext.client.events.editor.EditorBeforeCompleteHandler;
import com.ait.toolkit.sencha.ext.client.events.editor.EditorBeforeStartEditHandler;
import com.ait.toolkit.sencha.ext.client.events.editor.SpecialKeyHandler;
import com.ait.toolkit.sencha.ext.client.events.editor.StartEditHandler;
import com.ait.toolkit.sencha.ext.client.field.Field;
import com.ait.toolkit.sencha.shared.client.dom.ExtElement;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.dom.client.Element;

/**
 * A base editor field that handles displaying/hiding on demand and has some built-in sizing and event handling logic.
 */
public class Editor extends Container {

	private static JavaScriptObject configPrototype;
	private Field field;

	static {
		// init();
	}

	private static native void init()/*-{
		var c = new $wnd.Ext.Editor();
		@com.ait.toolkit.sencha.ext.client.ui.Editor::configPrototype = c.initialConfig;
	}-*/;

	protected JavaScriptObject getConfigPrototype() {
		return configPrototype;
	}

	public String getXType() {
		return "editor";
	}

	public Editor() {
	}

	// todo2 field must be rendered at this point
	protected native JavaScriptObject create(JavaScriptObject config) /*-{
		var ed = new $wnd.Ext.Editor(config);
		var id = ed.getId();
		this.@com.ait.toolkit.sencha.ext.client.core.Component::id = id;
		return ed;
	}-*/;

	/**
	 * Create a new Editor.
	 * 
	 * @param field
	 *            the editor field
	 */
	public Editor(Field field) {
		this.setField(field);
	}

	public Editor(JavaScriptObject jsObj) {
		super(jsObj);
	}

	/**
	 * Cancels the editing process and hides the editor without persisting any changes. The field value will be reverted to the original starting value.
	 * 
	 * @param remainVisible
	 *            override the default behavior and keep the editor visible after cancel (defaults to false)
	 */
	public native void cancelEdit(boolean remainVisible) /*-{
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		editor.cancelEdit();
	}-*/;

	/**
	 * Ends the editing process, persists the changed value to the underlying field, and hides the editor.
	 * 
	 * @param remainVisible
	 *            Override the default behavior and keep the editor visible after edit (defaults to false)
	 */
	public native void completeEdit(boolean remainVisible) /*-{
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		editor.completeEdit(true);
	}-*/;

	/**
	 * Gets the data value of the editor.
	 * 
	 * @return the value as String
	 */
	public native String getValueAsString() /*-{
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		var val = editor.getValue();
		return val == null ? null : val.toString();
	}-*/;

	/**
	 * Gets the data value of the editor.
	 * 
	 * @return the editor value
	 */
	public native Object getValue()/*-{
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		var val = editor.getValue();
		var valJ = (val == null || val === undefined || val === '') ? null
				: $wnd.GwtExt.convertToJavaType(val);
		return valJ;
	}-*/;

	/**
	 * Realigns the editor to the bound field based on the current alignment config value.
	 */
	public native void realign() /*-{
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		editor.realign();
	}-*/;

	/**
	 * Sets the height and width of this editor.
	 * 
	 * @param width
	 *            the new width
	 * @param height
	 *            the new height
	 */
	public native void setSize(int width, int height) /*-{
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		editor.setSize(width, height);
	}-*/;

	/**
	 * Sets the data value of the editor.
	 * 
	 * @param value
	 *            the value
	 */
	private native void setValueRendered(String value) /*-{
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		editor.setValue(value);
	}-*/;

	/**
	 * Sets the data value of the editor.
	 * 
	 * @param value
	 *            the value
	 */
	public native void setValueRendered(boolean value) /*-{
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		editor.setValue(value);
	}-*/;

	/**
	 * Sets the data value of the editor.
	 * 
	 * @param value
	 *            the value
	 */
	private native void setValueRendered(double value) /*-{
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		editor.setValue(value);
	}-*/;

	/**
	 * Sets the data value of the editor.
	 * 
	 * @param value
	 *            the value
	 */
	public native void setValueRendered(Date value)/*-{
		var millis = @com.ait.toolkit.sencha.shared.client.util.DateUtil::getTime(Ljava/util/Date;)(value);
		var dateJS = new $wnd.Date(millis);
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		editor.setValue(dateJS);
	}-*/;

	/**
	 * Starts the editing process and shows the editor.
	 * 
	 * @param id
	 *            the element ID to edit
	 */
	public native void startEdit(String id) /*-{
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		editor.startEdit(id);
	}-*/;

	/**
	 * Starts the editing process and shows the editor.
	 * 
	 * @param id
	 *            the element ID to edit
	 * @param value
	 *            A value to initialize the editor with. If a value is not provided, it defaults to the innerHTML of the element.
	 */
	public native void startEdit(String id, String value) /*-{
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		editor.startEdit(id, value);
	}-*/;

	/**
	 * Starts the editing process and shows the editor.
	 * 
	 * @param el
	 *            the element to edit
	 */
	public native void startEdit(Element el) /*-{
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		editor.startEdit(el);
	}-*/;

	/**
	 * Starts the editing process and shows the editor.
	 * 
	 * @param el
	 *            the element to edit
	 * @param value
	 *            A value to initialize the editor with. If a value is not provided, it defaults to the innerHTML of the element.
	 */
	public native void startEdit(Element el, String value) /*-{
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		editor.startEdit(el, value);
	}-*/;

	public native void startEdit(ExtElement el) /*-{
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		editor
				.startEdit(el.@com.ait.toolkit.core.client.JsObject::getJsObj()());
	}-*/;

	public native void startEdit(ExtElement el, String value) /*-{
		var editor = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		editor.startEdit(
				el.@com.ait.toolkit.core.client.JsObject::getJsObj()(), value);
	}-*/;

	// --- config properties ---

	/**
	 * The position to align to.
	 * 
	 * @param anchorPosition
	 *            defaults to "c-c"
	 */
	public void setAlignment(String anchorPosition) {
		setAttribute("alignment", anchorPosition, true, true);
	}

	/**
	 * True for the editor to automatically adopt the size of the underlying field.
	 * 
	 * @param autosize
	 *            true to autosize
	 * @throws IllegalStateException
	 *             this property cannot be changed after the Component has been rendered
	 */
	public void setAutosize(boolean autosize) throws IllegalStateException {
		setAttribute("autosize", autosize, true);
	}

	/**
	 * Set to "width" to adopt the width only, or "height" to adopt the height only.
	 * 
	 * @param autosize
	 *            the autosize value
	 * @throws IllegalStateException
	 *             this property cannot be changed after the Component has been rendered
	 */
	public void setAutosize(String autosize) throws IllegalStateException {
		setAttribute("autosize", autosize, true);
	}

	/**
	 * True to cancel the edit when the escape key is pressed (defaults to false).
	 * 
	 * @param cancelOnEsc
	 *            cancel on escape
	 */
	public void setCancelOnEsc(boolean cancelOnEsc) {
		setAttribute("cancelOnEsc", cancelOnEsc, true, true);
	}

	/**
	 * True to complete the edit when the enter key is pressed (defaults to false).
	 * 
	 * @param completeOnEnter
	 *            true to complete on enter
	 */
	public void setCompleteOnEnter(boolean completeOnEnter) {
		setAttribute("completeOnEnter", completeOnEnter, true, true);
	}

	/**
	 * True to constrain the editor to the viewport.
	 * 
	 * @param constrain
	 *            true to constrain the editor to the viewport
	 * @throws IllegalStateException
	 *             this property cannot be changed after the Component has been rendered
	 */
	public void setConstrain(boolean constrain) throws IllegalStateException {
		setAttribute("constrain", constrain, true);
	}

	public void setField(Field field) {
		setAttribute("field", field.getOrCreateJsObj(), true);
	}

	/**
	 * False to keep the bound element visible while the editor is displayed (defaults to true).
	 * 
	 * @param hideEl
	 *            true to hide element
	 */
	public void setHideEl(boolean hideEl) {
		setAttribute("hideEl", hideEl, true, true);
	}

	/**
	 * True to skip the the edit completion process (no save, no events fired) if the user completes an edit and the value has not changed (defaults to false). Applies only to
	 * string values - edits for other data types will never be ignored.
	 * 
	 * @param ignoreNoChange
	 *            true to ingnore no change
	 */
	public void setIgnoreNoChange(boolean ignoreNoChange) {
		setAttribute("ignoreNoChange", ignoreNoChange, true, true);
	}

	/**
	 * True to automatically revert the field value and cancel the edit when the user completes an edit and the field validation fails (defaults to true).
	 * 
	 * @param revertInvalid
	 *            true to rever invalid field value
	 */
	public void setRevertInvalid(boolean revertInvalid) {
		setAttribute("revertInvalid", revertInvalid, true, true);
	}

	/**
	 * "sides" for sides/bottom only, "frame" for 4-way shadow, and "drop" for bottom-right shadow (defaults to "frame")
	 * 
	 * @param shadow
	 *            the shadow setting
	 * @throws IllegalStateException
	 *             this property cannot be changed after the Component has been rendered
	 */
	public void setShadow(boolean shadow) throws IllegalStateException {
		setAttribute("shadow", shadow, true);
	}

	/**
	 * "sides" for sides/bottom only, "frame" for 4-way shadow, and "drop" for bottom-right shadow (defaults to "frame")
	 * 
	 * @param shadow
	 *            the shadow setting
	 * @throws IllegalStateException
	 *             this property cannot be changed after the Component has been rendered
	 */
	public void setShadow(String shadow) throws IllegalStateException {
		setAttribute("shadow", shadow, true);
	}

	/**
	 * Handle the keydown/keypress events so they don't propagate (defaults to true).
	 * 
	 * @param swallowKeys
	 *            true to swallow keys
	 * @throws IllegalStateException
	 *             this property cannot be changed after the Component has been rendered
	 */
	public void setSwallowKeys(boolean swallowKeys) throws IllegalStateException {
		setAttribute("swallowKeys", swallowKeys, true);
	}

	/**
	 * True to update the innerHTML of the bound element when the update completes (defaults to false).
	 * 
	 * @param updateEl
	 *            true to update the element
	 */
	public void setUpdateEl(boolean updateEl) {
		setAttribute("updateEl", updateEl, true, true);
	}

	/**
	 * The data value of the underlying field (defaults to "").
	 * 
	 * @param value
	 *            the field value
	 */
	public void setValue(String value) {
		if (!isRendered()) {
			setAttribute("value", value, true);
		} else {
			setValueRendered(value);
		}
	}

	/**
	 * The data value of the underlying field (defaults to "").
	 * 
	 * @param value
	 *            the field value
	 */
	public void setValue(Date value) {
		if (!isRendered()) {
			setAttribute("value", value, true);
		} else {
			setValueRendered(value);
		}
	}

	/**
	 * The data value of the underlying field (defaults to "").
	 * 
	 * @param value
	 *            the field value
	 */
	public void setValue(long value) {
		if (!isRendered()) {
			setAttribute("value", value, true);
		} else {
			setValueRendered(value);
		}
	}

	/**
	 * The data value of the underlying field (defaults to "").
	 * 
	 * @param value
	 *            the field value
	 */
	public void setValue(double value) {
		if (!isRendered()) {
			setAttribute("value", value, true);
		} else {
			setValueRendered(value);
		}
	}

	/**
	 * The data value of the underlying field (defaults to "").
	 * 
	 * @param value
	 *            the field value
	 */
	public void setValue(boolean value) {
		if (!isRendered()) {
			setAttribute("value", value, true);
		} else {
			setValueRendered(value);
		}
	}

	/**
	 * Fires after a change has been made to the field, but before the change is reflected in the underlying field. Note that if the value has not changed and ignoreNoChange =
	 * true, the editing will still end but this event will not fire since no edit actually occurred.
	 */
	public native HandlerRegistration addBeforeCompleteHandler(BeforeCompleteHandler handler)/*-{
		var component = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		var fn = function(editor, value, olValue, e) {
			var cmp = @com.ait.toolkit.sencha.ext.client.ui.Editor::new(Lcom/google/gwt/core/client/JavaScriptObject;)(editor);
			var event = @com.ait.toolkit.sencha.ext.client.events.editor.BeforeCompleteEvent::new(Lcom/ait/toolkit/sencha/ext/client/ui/Editor;Ljava/lang/Object;Ljava/lang/Object;Lcom/google/gwt/core/client/JavaScriptObject;)(cpm,value, oldValue,e)
			handler.@com.ait.toolkit.sencha.ext.client.events.editor.BeforeCompleteHandler::onBeforeCompete(Lcom/ait/toolkit/sencha/ext/client/events/editor/BeforeCompleteEvent;)(event);
		};
		var eventName = @com.ait.toolkit.sencha.ext.client.events.editor.BeforeCompleteEvent::EVENT_NAME;
		component.addListener(eventName, fn);
		var toReturn = @com.ait.toolkit.sencha.ext.client.events.HandlerRegistration::new(Lcom/ait/toolkit/sencha/ext/client/core/Component;Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(this,eventName,fn);
		return toReturn;
	}-*/;

	/**
	 * Fires after a change has been made to the field, but before the change is reflected in the underlying field. Saving the change to the field can be canceled by returning
	 * false from the handler of this event.Note that if the value has not changed and ignoreNoChange = true, the editing will still end but this event will not fire since no edit
	 * actually occurred.
	 */
	public native void addBeforeCompleteHandler(EditorBeforeCompleteHandler handler)/*-{
		var component = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		compoenent
				.addListener(
						@com.ait.toolkit.sencha.ext.client.events.Event::BEFORE_COMPLETE,
						$entry(function(editor, value, olValue) {
							var cmp = @com.ait.toolkit.sencha.ext.client.ui.Editor::new(Lcom/google/gwt/core/client/JavaScriptObject;)(editor);
							return handler.@com.ait.toolkit.sencha.ext.client.events.editor.EditorBeforeCompleteHandler::onEvent(Lcom/ait/toolkit/sencha/ext/client/ui/Editor;Ljava/lang/Object;Ljava/lang/Object;)(cpm,value,OldValue);
						}));

	}-*/;

	/**
	 * Fires when editing is initiated, but before the value changes.
	 */
	public native HandlerRegistration addBeforeStartEditHandler(BeforeStartEditHandler handler)/*-{
		var component = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		var fn = function(editor, el, value, e) {
			var cmp = @com.ait.toolkit.sencha.ext.client.ui.Editor::new(Lcom/google/gwt/core/client/JavaScriptObject;)(editor);
			var element = @com.ait.toolkit.sencha.shared.client.dom.ExtElement::new(Lcom/google/gwt/core/client/JavaScriptObject;)(el);
			var event = @com.ait.toolkit.sencha.ext.client.events.editor.BeforeStartEditEvent::new(Lcom/ait/toolkit/sencha/ext/client/ui/Editor;Lcom/ait/toolkit/sencha/shared/client/dom/ExtElement;Ljava/lang/Object;Lcom/google/gwt/core/client/JavaScriptObject;)(cpm, element, value, e);
			handler.@com.ait.toolkit.sencha.ext.client.events.editor.BeforeStartEditHandler::onBeforeStartEdit(Lcom/ait/toolkit/sencha/ext/client/events/editor/BeforeStartEditEvent;)(event);
		};
		var eventName = @com.ait.toolkit.sencha.ext.client.events.editor.BeforeStartEditEvent::EVENT_NAME;
		component.addListener(eventName, fn);
		var toReturn = @com.ait.toolkit.sencha.ext.client.events.HandlerRegistration::new(Lcom/ait/toolkit/sencha/ext/client/core/Component;Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(this,eventName,fn);
		return toReturn;
	}-*/;

	/**
	 * Fires when editing is initiated, but before the value changes.Editing can be canceled by returning false from the handler of this event.
	 */
	public native void addBeforeStartEditHandler(EditorBeforeStartEditHandler handler)/*-{
		var component = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		compoenent
				.addListener(
						@com.ait.toolkit.sencha.ext.client.events.Event::BEFORE_START_EDIT,
						$entry(function(editor, el, value) {
							var cmp = @com.ait.toolkit.sencha.ext.client.ui.Editor::new(Lcom/google/gwt/core/client/JavaScriptObject;)(editor);
							var element = @com.ait.toolkit.sencha.shared.client.dom.ExtElement::new(Lcom/google/gwt/core/client/JavaScriptObject;)(el);
							handler.@com.ait.toolkit.sencha.ext.client.events.editor.EditorBeforeStartEditHandler::onEvent(Lcom/ait/toolkit/sencha/ext/client/ui/Editor;Lcom/ait/toolkit/sencha/shared/client/dom/ExtElement;Ljava/lang/Object;)(cmp,element,value);
						}));
	}-*/;

	/**
	 * Fires after editing has been canceled and the editor's value has been reset.
	 */
	public native HandlerRegistration addCancelEditHandler(CancelEditHandler handler)/*-{
		var component = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		var fn = function(editor, value, startValue, e) {
			var cmp = @com.ait.toolkit.sencha.ext.client.ui.Editor::new(Lcom/google/gwt/core/client/JavaScriptObject;)(editor);
			var event = @com.ait.toolkit.sencha.ext.client.events.editor.CancelEditEvent::new(Lcom/ait/toolkit/sencha/ext/client/ui/Editor;Ljava/lang/Object;Ljava/lang/Object;Lcom/google/gwt/core/client/JavaScriptObject;)(cmp, value, startValue, e);
			handler.@com.ait.toolkit.sencha.ext.client.events.editor.CancelEditHandler::onCancelEdit(Lcom/ait/toolkit/sencha/ext/client/events/editor/CancelEditEvent;)(event);
		};
		var eventName = @com.ait.toolkit.sencha.ext.client.events.editor.CancelEditEvent::EVENT_NAME;
		component.addListener(eventName, fn);
		var toReturn = @com.ait.toolkit.sencha.ext.client.events.HandlerRegistration::new(Lcom/ait/toolkit/sencha/ext/client/core/Component;Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(this,eventName,fn);
		return toReturn;
	}-*/;

	/**
	 * Fires after editing is complete and any changed value has been written to the underlying field.
	 */
	public native HandlerRegistration addCompleteEditHandler(CompleteHandler handler)/*-{
		var component = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		var fn = function(editor, value, startValue, e) {
			var cmp = @com.ait.toolkit.sencha.ext.client.ui.Editor::new(Lcom/google/gwt/core/client/JavaScriptObject;)(editor);
			var event = @com.ait.toolkit.sencha.ext.client.events.editor.CompleteEvent::new(Lcom/ait/toolkit/sencha/ext/client/ui/Editor;Ljava/lang/Object;Ljava/lang/Object;Lcom/google/gwt/core/client/JavaScriptObject;)(cmp, value, startValue, e);
			handler.@com.ait.toolkit.sencha.ext.client.events.editor.CompleteHandler::onComplete(Lcom/ait/toolkit/sencha/ext/client/events/editor/CompleteEvent;)(event);
		};
		var eventName = @com.ait.toolkit.sencha.ext.client.events.editor.CompleteEvent::EVENT_NAME;
		component.addListener(eventName, fn);
		var toReturn = @com.ait.toolkit.sencha.ext.client.events.HandlerRegistration::new(Lcom/ait/toolkit/sencha/ext/client/core/Component;Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(this,eventName,fn);
		return toReturn;
	}-*/;

	/**
	 * Fires when any key related to navigation (arrows, tab, enter, esc, etc.) is pressed. You can check Ext.EventObject.getKey to determine which key was pressed.
	 */
	public native HandlerRegistration addSpecialKeyHandler(SpecialKeyHandler handler)/*-{
		var component = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		var fn = function(editor, f, e) {
			var cmp = @com.ait.toolkit.sencha.ext.client.ui.Editor::new(Lcom/google/gwt/core/client/JavaScriptObject;)(editor);
			var field = @com.ait.toolkit.sencha.ext.client.field.FieldBase::new(Lcom/google/gwt/core/client/JavaScriptObject;)(f);
			var event = @com.ait.toolkit.sencha.ext.client.events.editor.SpecialKeyEvent::new(Lcom/ait/toolkit/sencha/ext/client/ui/Editor;Lcom/ait/toolkit/sencha/ext/client/field/FieldBase;Lcom/google/gwt/core/client/JavaScriptObject;)(cmp,field,e);
			handler.@com.ait.toolkit.sencha.ext.client.events.editor.SpecialKeyHandler::onSpecialKey(Lcom/ait/toolkit/sencha/ext/client/events/editor/SpecialKeyEvent;)(event);
		};
		var eventName = @com.ait.toolkit.sencha.ext.client.events.editor.SpecialKeyEvent::EVENT_NAME;
		component.addListener(eventName, fn);
		var toReturn = @com.ait.toolkit.sencha.ext.client.events.HandlerRegistration::new(Lcom/ait/toolkit/sencha/ext/client/core/Component;Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(this,eventName,fn);
		return toReturn;
	}-*/;

	/**
	 * Fires when this editor is displayed
	 */
	public native HandlerRegistration addStartEditHandler(StartEditHandler handler)/*-{
		var component = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		var fn = function(editor, el, value, e) {
			var cmp = @com.ait.toolkit.sencha.ext.client.ui.Editor::new(Lcom/google/gwt/core/client/JavaScriptObject;)(editor);
			var element = @com.ait.toolkit.sencha.shared.client.dom.ExtElement::new(Lcom/google/gwt/core/client/JavaScriptObject;)(el);
			var event = @com.ait.toolkit.sencha.ext.client.events.editor.StartEditEvent::new(Lcom/ait/toolkit/sencha/ext/client/ui/Editor;Lcom/ait/toolkit/sencha/shared/client/dom/ExtElement;Ljava/lang/Object;Lcom/google/gwt/core/client/JavaScriptObject;)(cpm, element, value, e);
			handler.@com.ait.toolkit.sencha.ext.client.events.editor.StartEditHandler::onStartEdit(Lcom/ait/toolkit/sencha/ext/client/events/editor/StartEditEvent;)(event);
		};
		var eventName = @com.ait.toolkit.sencha.ext.client.events.editor.StartEditEvent::EVENT_NAME;
		component.addListener(eventName, fn);
		var toReturn = @com.ait.toolkit.sencha.ext.client.events.HandlerRegistration::new(Lcom/ait/toolkit/sencha/ext/client/core/Component;Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(this,eventName,fn);
		return toReturn;
	}-*/;

	public static Editor cast(Component component) {
		return new Editor(component.getOrCreateJsObj());
	}

}