root / branches / v2_0_0_prep / extensions / org.gvsig.symbology / src / main / java / org / gvsig / symbology / fmap / mapcontext / rendering / legend / impl / VectorialIntervalLegend.java @ 31631
History | View | Annotate | Download (6.39 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.symbology.fmap.mapcontext.rendering.legend.impl; |
23 |
|
24 |
import java.awt.Color; |
25 |
|
26 |
import org.gvsig.fmap.mapcontext.rendering.legend.IInterval; |
27 |
import org.gvsig.tools.ToolsLocator; |
28 |
import org.gvsig.tools.dynobject.DynClass; |
29 |
import org.gvsig.tools.persistence.PersistenceException; |
30 |
import org.gvsig.tools.persistence.PersistentState; |
31 |
|
32 |
/**
|
33 |
* <p>
|
34 |
* VectorialIntervalLegend (which should be better called GraduatedColorLegend)
|
35 |
* is a legend that allows to classify ranges of values using a color gradient
|
36 |
* based on a value.<b>
|
37 |
* </p>
|
38 |
* <p>
|
39 |
* The color gradient will be calculated according the starting color, the
|
40 |
* ending color and the amount of intervals.
|
41 |
* </p>
|
42 |
*
|
43 |
* @author Vicente Caballero Navarro
|
44 |
* @author 2009- <a href="cordinyana@gvsig.org">C?sar Ordi?ana</a> - gvSIG team
|
45 |
*/
|
46 |
public class VectorialIntervalLegend extends AbstractIntervalLegend { |
47 |
public static final String VECTORIAL_INTERVAL_LEGEND_DYNCLASS_NAME = |
48 |
"VectorialIntervalLegend";
|
49 |
|
50 |
private static final String FIELD_START_COLOR = "startColor"; |
51 |
private static final String FIELD_END_COLOR = "endColor"; |
52 |
|
53 |
private int shapeType; |
54 |
private Color startColor = Color.red; |
55 |
private Color endColor = Color.blue; |
56 |
|
57 |
/**
|
58 |
* Constructor method
|
59 |
*/
|
60 |
public VectorialIntervalLegend() {
|
61 |
//defaultSymbol = LegendFactory.DEFAULT_POLYGON_SYMBOL;
|
62 |
} |
63 |
|
64 |
/**
|
65 |
* Constructor method
|
66 |
*
|
67 |
* @param type type of the shape.
|
68 |
*/
|
69 |
public VectorialIntervalLegend(int type) { |
70 |
setShapeType(type); |
71 |
} |
72 |
|
73 |
// public ILegend cloneLegend() throws XMLException {
|
74 |
// return LegendFactory.createFromXML(getXMLEntity());
|
75 |
// }
|
76 |
|
77 |
/**
|
78 |
* Returns the final color
|
79 |
* @return Color final color.
|
80 |
* @uml.property name="endColor"
|
81 |
*/
|
82 |
public Color getEndColor() { |
83 |
return endColor;
|
84 |
} |
85 |
|
86 |
/**
|
87 |
* Inserts the final color.
|
88 |
* @param endColor final color.
|
89 |
* @uml.property name="endColor"
|
90 |
*/
|
91 |
public void setEndColor(Color endColor) { |
92 |
this.endColor = endColor;
|
93 |
} |
94 |
|
95 |
/**
|
96 |
* Returns the initial color.
|
97 |
* @return Color initial color.
|
98 |
* @uml.property name="startColor"
|
99 |
*/
|
100 |
public Color getStartColor() { |
101 |
return startColor;
|
102 |
} |
103 |
|
104 |
/**
|
105 |
* Inserts the initial color
|
106 |
* @param startColor initial color.
|
107 |
* @uml.property name="startColor"
|
108 |
*/
|
109 |
public void setStartColor(Color startColor) { |
110 |
this.startColor = startColor;
|
111 |
} |
112 |
|
113 |
public int getShapeType() { |
114 |
return shapeType;
|
115 |
} |
116 |
|
117 |
public void setShapeType(int shapeType) { |
118 |
if (this.shapeType != shapeType) { |
119 |
setDefaultSymbol(getSymbolManager().createSymbol(shapeType)); |
120 |
this.shapeType = shapeType;
|
121 |
} |
122 |
} |
123 |
|
124 |
|
125 |
public String getClassName() { |
126 |
return getClass().getName();
|
127 |
} |
128 |
|
129 |
public Object clone() throws CloneNotSupportedException { |
130 |
VectorialIntervalLegend clone = (VectorialIntervalLegend) super.clone();
|
131 |
|
132 |
// Nothing to clone, as Color objects are inmutable, keep the original
|
133 |
// references.
|
134 |
|
135 |
return clone;
|
136 |
} |
137 |
|
138 |
public void loadFromState(PersistentState state) |
139 |
throws PersistenceException {
|
140 |
// Set parent properties
|
141 |
super.loadFromState(state);
|
142 |
// Set own properties
|
143 |
setStartColor((Color) state.get(FIELD_START_COLOR));
|
144 |
setEndColor((Color) state.get(FIELD_END_COLOR));
|
145 |
} |
146 |
|
147 |
public void saveToState(PersistentState state) throws PersistenceException { |
148 |
// Save parent properties
|
149 |
super.saveToState(state);
|
150 |
// Save own properties
|
151 |
state.set(FIELD_START_COLOR, getStartColor()); |
152 |
state.set(FIELD_END_COLOR, getEndColor()); |
153 |
} |
154 |
|
155 |
public static void registerPersistence() { |
156 |
// Add the DynClass definition.
|
157 |
DynClass dynClass = |
158 |
ToolsLocator.getDynObjectManager().add( |
159 |
VECTORIAL_INTERVAL_LEGEND_DYNCLASS_NAME); |
160 |
|
161 |
// Extend the Interval Legend base definition
|
162 |
dynClass.extend(INTERVAL_LEGEND_DYNCLASS_NAME); |
163 |
|
164 |
// Start color
|
165 |
dynClass.addDynFieldObject(FIELD_START_COLOR) |
166 |
.setMandatory(true)
|
167 |
.setDescription("Start color");
|
168 |
// End color
|
169 |
dynClass.addDynFieldObject(FIELD_END_COLOR) |
170 |
.setMandatory(true)
|
171 |
.setDescription("End color");
|
172 |
|
173 |
ToolsLocator.getPersistenceManager().registerClass( |
174 |
VectorialIntervalLegend.class, dynClass); |
175 |
} |
176 |
|
177 |
public IInterval createInterval(double min, double max) { |
178 |
return new FInterval(min, max); |
179 |
} |
180 |
|
181 |
//
|
182 |
/**
|
183 |
* <p>This method does not exist officially. But what it does is just apply the
|
184 |
* values of a VectorialIntervalLegend to other so, It is not needed to
|
185 |
* replicate the code of populating the legend in every panel that produces
|
186 |
* a legend by intervals.<br>
|
187 |
* </p>
|
188 |
* <p>
|
189 |
* ok this method is messy, but it's useful ;-)
|
190 |
* </p>
|
191 |
*/
|
192 |
// public static void initializeVectorialIntervalLegend(
|
193 |
// AbstractIntervalLegend srcLegend,
|
194 |
// AbstractIntervalLegend targetLegend) {
|
195 |
// targetLegend.shapeType = srcLegend.shapeType;
|
196 |
// targetLegend.symbols = srcLegend.symbols;
|
197 |
// targetLegend.keys = srcLegend.keys;
|
198 |
// targetLegend.index = srcLegend.index;
|
199 |
// targetLegend.setClassifyingFieldNames(srcLegend.getClassifyingFieldNames());
|
200 |
// targetLegend.setClassifyingFieldTypes(srcLegend.getClassifyingFieldTypes());
|
201 |
//// targetLegend.fieldId = srcLegend.fieldId;
|
202 |
// targetLegend.defaultSymbol = srcLegend.defaultSymbol;
|
203 |
//// targetLegend.featureStore = srcLegend.featureStore;
|
204 |
// targetLegend.intervalType = srcLegend.intervalType;
|
205 |
// targetLegend.useDefaultSymbol = srcLegend.useDefaultSymbol;
|
206 |
// }
|
207 |
|
208 |
} |