gvsig-raster / org.gvsig.raster / trunk / org.gvsig.raster / org.gvsig.raster.fmap / src / main / java / org / gvsig / raster / fmap / layers / FLyrState.java @ 1738
History | View | Annotate | Download (4.12 KB)
1 |
/* gvSIG. Geographic Information System of the Valencian Government
|
---|---|
2 |
*
|
3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
4 |
* of the Valencian Government (CIT)
|
5 |
*
|
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 |
* as published by the Free Software Foundation; either version 2
|
9 |
* 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 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
*/
|
22 |
package org.gvsig.raster.fmap.layers; |
23 |
|
24 |
|
25 |
/**
|
26 |
* Estados de una capa. Cada capa tiene uno o varios estados activos en cada instante.
|
27 |
* Hay estados no compatibles entre si, es decir, no pueden estar activos a la vez en cada
|
28 |
* instante. Por ejemplo, una capa no puede estar cerrada y renderizando ya que sus datos no
|
29 |
* est?n accesibles para esa operaci?n. Los estados de una capa sir
|
30 |
* @version 13/09/2007
|
31 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
32 |
*
|
33 |
*/
|
34 |
public class FLyrState implements ILayerState { |
35 |
private boolean open = false; |
36 |
private boolean closed = true; |
37 |
private boolean awake = false; |
38 |
private boolean stopped = false; |
39 |
//private boolean renderizing = false;
|
40 |
|
41 |
private int lastBeforeStop = UNDEFINED; |
42 |
|
43 |
|
44 |
/*
|
45 |
* (non-Javadoc)
|
46 |
* @see org.gvsig.fmap.raster.layers.IState#isAwake()
|
47 |
*/
|
48 |
public boolean isAwake() { |
49 |
return awake;
|
50 |
} |
51 |
|
52 |
/*
|
53 |
* (non-Javadoc)
|
54 |
* @see org.gvsig.fmap.raster.layers.IState#enableAwake()
|
55 |
*/
|
56 |
public void enableAwake() throws NotAvailableStateException { |
57 |
if(awake)
|
58 |
return;
|
59 |
if(open == true || closed == true || stopped == true) { |
60 |
this.awake = true; |
61 |
stopped = closed = open = false;
|
62 |
lastBeforeStop = UNDEFINED; |
63 |
} else
|
64 |
throw new NotAvailableStateException("Awake state not available"); |
65 |
} |
66 |
|
67 |
/*
|
68 |
* (non-Javadoc)
|
69 |
* @see org.gvsig.fmap.raster.layers.IState#isOpen()
|
70 |
*/
|
71 |
public boolean isOpen() { |
72 |
return open;
|
73 |
} |
74 |
|
75 |
/*
|
76 |
* (non-Javadoc)
|
77 |
* @see org.gvsig.fmap.raster.layers.IState#enableOpen()
|
78 |
*/
|
79 |
public void enableOpen() throws NotAvailableStateException { |
80 |
if(stopped == true || awake == true) { |
81 |
this.open = true; |
82 |
stopped = closed = awake = false;
|
83 |
lastBeforeStop = UNDEFINED; |
84 |
} else
|
85 |
throw new NotAvailableStateException("Open state not available"); |
86 |
} |
87 |
|
88 |
|
89 |
/*
|
90 |
* (non-Javadoc)
|
91 |
* @see org.gvsig.fmap.raster.layers.IState#isClosed()
|
92 |
*/
|
93 |
public boolean isClosed() { |
94 |
return closed;
|
95 |
} |
96 |
|
97 |
/*
|
98 |
* (non-Javadoc)
|
99 |
* @see org.gvsig.fmap.raster.layers.IState#enableClosed()
|
100 |
*/
|
101 |
public void enableClosed() throws NotAvailableStateException { |
102 |
if(open == true || awake == true || stopped == true) { |
103 |
this.closed = true; |
104 |
stopped = open = awake = false;
|
105 |
lastBeforeStop = UNDEFINED; |
106 |
} else
|
107 |
throw new NotAvailableStateException("Closed state not available"); |
108 |
} |
109 |
|
110 |
/*
|
111 |
* (non-Javadoc)
|
112 |
* @see org.gvsig.fmap.raster.layers.IState#isStopped()
|
113 |
*/
|
114 |
public boolean isStopped() { |
115 |
return stopped;
|
116 |
} |
117 |
|
118 |
/*
|
119 |
* (non-Javadoc)
|
120 |
* @see org.gvsig.fmap.raster.layers.IState#enableStopped()
|
121 |
*/
|
122 |
public void enableStopped() { |
123 |
if(open == true || awake == true || closed == true) { |
124 |
lastBeforeStop = (open == true) ? OPEN : ((closed == true) ? CLOSED : ((awake == true) ? AWAKE : UNDEFINED)); |
125 |
if(lastBeforeStop != UNDEFINED) {
|
126 |
stopped = true;
|
127 |
closed = open = awake = false;
|
128 |
} |
129 |
} |
130 |
} |
131 |
|
132 |
/*
|
133 |
* (non-Javadoc)
|
134 |
* @see org.gvsig.fmap.raster.layers.IState#disableStopped()
|
135 |
*/
|
136 |
public void disableStopped() { |
137 |
if(stopped == true && lastBeforeStop != UNDEFINED) { |
138 |
switch(lastBeforeStop) {
|
139 |
case OPEN: open = true; closed = awake = false; break; |
140 |
case CLOSED: closed = true; awake = open = false; break; |
141 |
case AWAKE: awake = true; closed = open = false; break; |
142 |
} |
143 |
stopped = false;
|
144 |
lastBeforeStop = UNDEFINED; |
145 |
} |
146 |
} |
147 |
|
148 |
} |