svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.mapcontext / org.gvsig.fmap.mapcontext.api / src / main / java / org / gvsig / fmap / mapcontext / layers / LayerPositionEvent.java @ 44369
History | View | Annotate | Download (3.67 KB)
| 1 | 40559 | jjdelcerro | /**
|
|---|---|---|---|
| 2 | * gvSIG. Desktop Geographic Information System.
|
||
| 3 | 40435 | jjdelcerro | *
|
| 4 | 40559 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
|
| 5 | 40435 | jjdelcerro | *
|
| 6 | * This program is free software; you can redistribute it and/or
|
||
| 7 | * modify it under the terms of the GNU General Public License
|
||
| 8 | 40559 | jjdelcerro | * as published by the Free Software Foundation; either version 3
|
| 9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
|
| 10 | *
|
||
| 11 | * This program is distributed in the hope that it will be useful,
|
||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
| 14 | * GNU General Public License for more details.
|
||
| 15 | *
|
||
| 16 | * You should have received a copy of the GNU General Public License
|
||
| 17 | * along with this program; if not, write to the Free Software
|
||
| 18 | 40559 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
| 19 | * MA 02110-1301, USA.
|
||
| 20 | 40435 | jjdelcerro | *
|
| 21 | 40559 | jjdelcerro | * For any additional information, do not hesitate to contact us
|
| 22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
|
||
| 23 | 40435 | jjdelcerro | */
|
| 24 | package org.gvsig.fmap.mapcontext.layers; |
||
| 25 | |||
| 26 | |||
| 27 | /**
|
||
| 28 | * <p>Event produced when a layer has been or is being moved from a collection of layers.</p>
|
||
| 29 | *
|
||
| 30 | * @author Vicente Caballero Navarro
|
||
| 31 | */
|
||
| 32 | public class LayerPositionEvent extends LayerCollectionEvent { |
||
| 33 | /**
|
||
| 34 | * <p>If this event is a <i>LAYER_MOVED</i> type, stores the previous index of the affected layer in the layer
|
||
| 35 | * collection; otherwise its value will be the same as the <code>newPos</code> one.</p>
|
||
| 36 | */
|
||
| 37 | private int oldPos; |
||
| 38 | |||
| 39 | /**
|
||
| 40 | * <p>The new index in the layer collection of the layer affected.</p>
|
||
| 41 | */
|
||
| 42 | private int newPos; |
||
| 43 | |||
| 44 | /**
|
||
| 45 | * <p>Identifies this event as a action on a layer that is being moved.</p>
|
||
| 46 | */
|
||
| 47 | private final static int LAYER_MOVING = 4; |
||
| 48 | |||
| 49 | /**
|
||
| 50 | * <p>Identifies this event as a action on a layer that has been moved.</p>
|
||
| 51 | */
|
||
| 52 | private final static int LAYER_MOVED = 1; |
||
| 53 | |||
| 54 | /**
|
||
| 55 | * <p>Creates a new layer position event notifying a "layer moved" action.</p>
|
||
| 56 | *
|
||
| 57 | * @param lyr layer affected by the action
|
||
| 58 | * @param oldp previous index of the affected layer in the layer collection
|
||
| 59 | * @param newp new index of the affected layer in the layer collection
|
||
| 60 | *
|
||
| 61 | * @return a new layer position event
|
||
| 62 | */
|
||
| 63 | public static LayerPositionEvent createLayerMovedEvent(FLayer lyr, int oldp, int newp){ |
||
| 64 | return new LayerPositionEvent(lyr, oldp, newp, LAYER_MOVED); |
||
| 65 | } |
||
| 66 | |||
| 67 | /**
|
||
| 68 | * <p>Creates a new layer position event notifying a "layer moving" action.</p>
|
||
| 69 | *
|
||
| 70 | * @param lyr layer affected by the action
|
||
| 71 | * @param oldp previous index of the affected layer in the layer collection
|
||
| 72 | * @param newp new index of the affected layer in the layer collection
|
||
| 73 | *
|
||
| 74 | * @return a new layer position event
|
||
| 75 | */
|
||
| 76 | public static LayerPositionEvent createLayerMovingEvent(FLayer lyr, int oldp, int newp){ |
||
| 77 | return new LayerPositionEvent(lyr, oldp, newp, LAYER_MOVING); |
||
| 78 | } |
||
| 79 | |||
| 80 | /**
|
||
| 81 | * <p>Creates a new layer position event of the specified type.</p>
|
||
| 82 | *
|
||
| 83 | * @param lyr layer affected by the action
|
||
| 84 | * @param oldp previous index of the affected layer in the layer collection
|
||
| 85 | * @param newp new index of the affected layer in the layer collection
|
||
| 86 | * @param eventType type of layer collection event
|
||
| 87 | *
|
||
| 88 | * @return a new layer position event
|
||
| 89 | */
|
||
| 90 | private LayerPositionEvent(FLayer lyr, int oldp, int newp, int eventType) { |
||
| 91 | super(lyr, eventType);
|
||
| 92 | oldPos = oldp; |
||
| 93 | newPos = newp; |
||
| 94 | } |
||
| 95 | |||
| 96 | /**
|
||
| 97 | * <p>Gets the previous index of the affected layer in the layer collection.</p>
|
||
| 98 | *
|
||
| 99 | * @return the previous index
|
||
| 100 | */
|
||
| 101 | public int getOldPos() { |
||
| 102 | return oldPos;
|
||
| 103 | } |
||
| 104 | |||
| 105 | /**
|
||
| 106 | * <p>Gets the new index of the affected layer in the layer collection.</p>
|
||
| 107 | *
|
||
| 108 | * @return the new index
|
||
| 109 | */
|
||
| 110 | public int getNewPos() { |
||
| 111 | return newPos;
|
||
| 112 | } |
||
| 113 | } |