Revision 22691 branches/v2_0_0_prep/libraries/libFMap_mapcontext/src/org/gvsig/fmap/mapcontext/ExtentHistory.java
| ExtentHistory.java | ||
|---|---|---|
| 47 | 47 |
|
| 48 | 48 |
/** |
| 49 | 49 |
* <p><code>ExtentHistory</code> is designed for managing a history of extents.</p> |
| 50 |
*
|
|
| 50 |
* |
|
| 51 | 51 |
* <p>Note: An <i>extent</i> is a rectangular area, with information of its top-left 2D corner.</p> |
| 52 | 52 |
* |
| 53 | 53 |
* @author Vicente Caballero Navarro |
| ... | ... | |
| 57 | 57 |
* <p>Maximum number of extents that can store.</p> |
| 58 | 58 |
*/ |
| 59 | 59 |
private int NUMREC; |
| 60 |
|
|
| 60 |
|
|
| 61 | 61 |
/** |
| 62 | 62 |
* <p>Array with the extents.</p> |
| 63 |
*
|
|
| 63 |
* |
|
| 64 | 64 |
* @see #hasPrevious() |
| 65 | 65 |
* @see #put(Rectangle2D) |
| 66 | 66 |
* @see #get() |
| 67 | 67 |
* @see #removePrev() |
| 68 | 68 |
*/ |
| 69 | 69 |
private Rectangle2D[] extents; |
| 70 |
|
|
| 70 |
|
|
| 71 | 71 |
/** |
| 72 | 72 |
* <p>Number of extents stored.</p> |
| 73 |
*
|
|
| 73 |
* |
|
| 74 | 74 |
* @see #hasPrevious() |
| 75 | 75 |
* @see #put(Rectangle2D) |
| 76 | 76 |
* @see #get() |
| ... | ... | |
| 99 | 99 |
* <p>Appends the specified extent to the end of this history.</p> |
| 100 | 100 |
* |
| 101 | 101 |
* @param ext the new extent |
| 102 |
*
|
|
| 102 |
* |
|
| 103 | 103 |
* @see #get() |
| 104 | 104 |
* @see #hasPrevious() |
| 105 | 105 |
*/ |
| ... | ... | |
| 122 | 122 |
* <p>Returns <code>true</code> if there are extents registered.</p> |
| 123 | 123 |
* |
| 124 | 124 |
* @return <code>true</code> if there are extents registered; <code>false</code> otherwise |
| 125 |
*
|
|
| 125 |
* |
|
| 126 | 126 |
* @see #put(Rectangle2D) |
| 127 | 127 |
* @see #removePrev() |
| 128 | 128 |
* @see #get() |
| ... | ... | |
| 135 | 135 |
* <p>Returns the last extent in the history.</p> |
| 136 | 136 |
* |
| 137 | 137 |
* @return the last extent in the history |
| 138 |
*
|
|
| 138 |
* |
|
| 139 | 139 |
* @see #put(Rectangle2D) |
| 140 | 140 |
* @see #getXMLEntity() |
| 141 | 141 |
*/ |
| ... | ... | |
| 149 | 149 |
* <p>Extracts (removing) the last extent from the history.</p> |
| 150 | 150 |
* |
| 151 | 151 |
* @return last extent in the history |
| 152 |
*
|
|
| 152 |
* |
|
| 153 | 153 |
* @see #hasPrevious() |
| 154 | 154 |
*/ |
| 155 | 155 |
public Rectangle2D removePrev() {
|
| ... | ... | |
| 172 | 172 |
* </p> |
| 173 | 173 |
* |
| 174 | 174 |
* @return XML entity that represents this object |
| 175 |
*
|
|
| 175 |
* |
|
| 176 | 176 |
* @see #createFromXML(XMLEntity) |
| 177 | 177 |
* @see #get() |
| 178 | 178 |
* @see #put(Rectangle2D) |
| ... | ... | |
| 196 | 196 |
} |
| 197 | 197 |
|
| 198 | 198 |
/** |
| 199 |
* @see #createFromXML(XMLEntity) |
|
| 200 |
*/ |
|
| 201 |
public static ExtentHistory createFromXML03(XMLEntity xml) {
|
|
| 202 |
ExtentHistory eh = new ExtentHistory(); |
|
| 203 |
eh.num = xml.getIntProperty("num");
|
|
| 204 |
eh.NUMREC = xml.getIntProperty("numrec");
|
|
| 205 |
|
|
| 206 |
for (int i = 0; i < eh.NUMREC; i++) {
|
|
| 207 |
try {
|
|
| 208 |
eh.extents[i] = new Rectangle2D.Double(xml.getDoubleProperty( |
|
| 209 |
"extent" + i + "X"), |
|
| 210 |
xml.getDoubleProperty("extent" + i + "Y"),
|
|
| 211 |
xml.getDoubleProperty("extent" + i + "W"),
|
|
| 212 |
xml.getDoubleProperty("extent" + i + "H"));
|
|
| 213 |
} catch (Exception e) {
|
|
| 214 |
///System.out.println("En las ExtentHistory =" + e); //TODO o se captura de alguna forma o se mete un nuevo parametro en el xml para saber exactamente cuantos rect?gulos se han a?adido.
|
|
| 215 |
} |
|
| 216 |
} |
|
| 217 |
|
|
| 218 |
return eh; |
|
| 219 |
} |
|
| 220 |
|
|
| 221 |
/** |
|
| 222 | 199 |
* <p>Binds the information in the XML entity argument to create and return an <code>ExtentHistory</code> |
| 223 | 200 |
* object.</p> |
| 224 | 201 |
* |
| 225 | 202 |
* @param xml an XML entity of a <code>ExtentHistory</code> |
| 226 | 203 |
* |
| 227 | 204 |
* @return an <code>ExtentHistory</code> object with the information of the <code>xml</code> argument |
| 228 |
*
|
|
| 205 |
* |
|
| 229 | 206 |
* @see #getXMLEntity() |
| 230 | 207 |
*/ |
| 231 | 208 |
public static ExtentHistory createFromXML(XMLEntity xml) {
|
Also available in: Unified diff