| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You 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 mx.events |
| { |
| |
| import flash.events.Event; |
| |
| /** |
| * Represents events that are dispatched by the ScrollBar class. |
| * |
| * @see mx.core.UIComponent |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public class ScrollEvent extends Event |
| { |
| include "../core/Version.as"; |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Class constants |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * The <code>ScrollEvent.SCROLL</code> constant defines the value of the |
| * <code>type</code> property of the event object for a scroll event. |
| * |
| * <p>The properties of the event object have the following values:</p> |
| * <table class="innertable"> |
| * <tr><th>Property</th><th>Value</th></tr> |
| * <tr><td><code>bubbles</code></td><td>false</td></tr> |
| * <tr><td><code>cancelable</code></td><td>false</td></tr> |
| * <tr><td><code>currentTarget</code></td><td>The Object that defines the |
| * event listener that handles the event. For example, if you use |
| * <code>myButton.addEventListener()</code> to register an event listener, |
| * myButton is the value of the <code>currentTarget</code>. </td></tr> |
| * <tr><td><code>delta</code></td><td>Contains the change |
| * in scroll position, expressed in pixels. A positive value indicates the |
| * scroll was down or to the right. A negative value indicates the scroll |
| * was up or to the left.</td></tr> |
| * <tr><td><code>direction</code></td><td>Contains the |
| * scroll direction, either <code>ScrollEventDirection.HORIZONTAL</code> or |
| * <code>ScrollEventDirection.VERTICAL</code>.</td></tr> |
| * <tr><td><code>position</code></td><td>Contains the |
| * new scroll position.</td></tr> |
| * <tr><td><code>target</code></td><td>The Object that dispatched the event; |
| * it is not always the Object listening for the event. |
| * Use the <code>currentTarget</code> property to always access the |
| * Object listening for the event.</td></tr> |
| * </table> |
| * |
| * @eventType scroll |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public static const SCROLL:String = "scroll"; |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Constructor |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * Constructor. |
| * |
| * @param type The event type; indicates the action that caused the event. |
| * |
| * @param bubbles Specifies whether the event can bubble |
| * up the display list hierarchy. |
| * |
| * @param cancelable Specifies whether the behavior associated with the event |
| * can be prevented. |
| * |
| * @param detail Provides the specifics of the type of scroll activity. |
| * Constants for the possible values are provided |
| * in the ScrollEventDetail class. |
| * |
| * @param position The new scroll position. |
| * |
| * @param direction The scroll direction, |
| * either <code>ScrollEventDirection.HORIZONTAL</code> or |
| * <code>ScrollEventDirection.VERTICAL</code>. |
| * |
| * @param delta The change in scroll position, expressed in pixels. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public function ScrollEvent(type:String, bubbles:Boolean = false, |
| cancelable:Boolean = false, |
| detail:String = null, position:Number = NaN, |
| direction:String = null, delta:Number = NaN) |
| { |
| super(type, bubbles, cancelable); |
| |
| this.detail = detail; |
| this.position = position; |
| this.direction = direction; |
| this.delta = delta; |
| } |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Properties |
| // |
| //-------------------------------------------------------------------------- |
| |
| //---------------------------------- |
| // delta |
| //---------------------------------- |
| |
| /** |
| * The change in the scroll position value that resulted from |
| * the scroll. The value is expressed in pixels. A positive value indicates the |
| * scroll was down or to the right. A negative value indicates the scroll |
| * was up or to the left. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public var delta:Number; |
| |
| //---------------------------------- |
| // detail |
| //---------------------------------- |
| |
| /** |
| * Provides the details of the scroll activity. |
| * Constants for the possible values are provided |
| * in the ScrollEventDetail class. |
| * |
| * @see mx.events.ScrollEventDetail |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public var detail:String; |
| |
| //---------------------------------- |
| // direction |
| //---------------------------------- |
| |
| /** |
| * The direction of motion. |
| * The possible values are <code>ScrollEventDirection.VERTICAL</code> |
| * or <code>ScrollEventDirection.HORIZONTAL</code>. |
| * |
| * @see mx.events.ScrollEventDirection |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public var direction:String; |
| |
| //---------------------------------- |
| // position |
| //---------------------------------- |
| |
| /** |
| * The new scroll position. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public var position:Number; |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Overridden methods: Event |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * @private |
| */ |
| override public function clone():Event |
| { |
| return new ScrollEvent(type, bubbles, cancelable, |
| detail, position, direction, delta); |
| } |
| } |
| |
| } |