Revision 44189 trunk/org.gvsig.desktop/org.gvsig.desktop.plugin/org.gvsig.app/org.gvsig.app.mainplugin/src/main/java/org/gvsig/app/project/symboltables/ProjectSymbolTable.java
| ProjectSymbolTable.java | ||
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package org.gvsig.app.project.symboltables; |
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import com.sun.corba.se.impl.protocol.FullServantCacheLocalCRDImpl; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.util.HashMap; |
| ... | ... | |
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import org.gvsig.expressionevaluator.Expression; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorManager; |
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import org.gvsig.expressionevaluator.ExpressionRuntimeException; |
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import org.gvsig.expressionevaluator.Interpreter; |
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import org.gvsig.expressionevaluator.spi.AbstractFunction; |
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import org.gvsig.expressionevaluator.spi.AbstractSymbolTable; |
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import org.gvsig.fmap.crs.CRSFactory; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.HasDataStore; |
|
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import org.gvsig.fmap.dal.expressionevaluator.FeatureSymbolTable; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureQuery; |
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import org.gvsig.fmap.dal.feature.FeatureSelection; |
|
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import org.gvsig.fmap.dal.feature.FeatureSet; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.mapcontext.MapContext; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.fmap.mapcontext.layers.operations.SingleLayer; |
|
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import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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import org.gvsig.fmap.mapcontrol.AreaAndPerimeterCalculator; |
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import org.gvsig.temporarystorage.TemporaryStorageGroup; |
| ... | ... | |
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|
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static final String NAME = "Project"; |
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private static final String TABLE_DOCUMENT_TYPENAME = "project.document.table"; |
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|
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private abstract class CachedValue<T> {
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T value = null; |
| ... | ... | |
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|
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} |
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private class FirstSelectedFeatureFunction extends AbstractFunction {
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public FirstSelectedFeatureFunction() {
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super( |
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"Project", |
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"firstSelectedFeature", |
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Range.between(3, 4), |
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"Access to the first selected feature of the layer, and " |
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+ "return the value of the attribute.", |
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"firstSelectedFeature({{view}}, layer, attribute, defaulValue)",
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new String[]{
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"view - String value with the name of a view", |
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"layer - String value with the name of a layer in the indicated view", |
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"attribute - String value with the name of the attribute in the indicated layer", |
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"defaultValue - Optional. Value to use if the indicated " |
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+ "attribute can not be accessed. For example, if the " |
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+ "view or layer does not exist, or it does not have " |
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+ "selected elements." |
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}, |
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"Object" |
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); |
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} |
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@Override |
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public Object call(Interpreter interpreter, Object[] args) throws Exception {
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Object defaultValue = null; |
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String viewName = getStr(args, 0); |
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String layerName = getStr(args, 1); |
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String attrName = getStr(args, 2); |
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if (args.length == 4) {
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defaultValue = getObject(args, 3); |
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} |
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try {
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Project project = currentProject.get(); |
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ViewDocument view = (ViewDocument) project.getDocument(viewName, ViewManager.TYPENAME); |
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if (view == null) {
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return defaultValue; |
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} |
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FLayer layer = view.getLayer(layerName); |
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if (!(layer instanceof FLyrVect)) {
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return defaultValue; |
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} |
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FeatureSelection selection = ((FLyrVect) layer).getFeatureStore().getFeatureSelection(); |
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if (selection == null || selection.isEmpty()) {
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return defaultValue; |
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} |
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Feature feature = selection.first(); |
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if (feature == null) {
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return defaultValue; |
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} |
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return feature.get(attrName); |
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} catch (Exception ex) {
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return defaultValue; |
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} |
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} |
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} |
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|
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private class StoreFunction extends AbstractFunction {
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public StoreFunction() {
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super( |
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"Project", |
| ... | ... | |
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public Object call(Interpreter interpreter, Object[] args) throws Exception {
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Project project = currentProject.get(); |
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switch (args.length) {
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// case 1: |
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// String tableName = getStr(args, 0); |
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// TableDocument table = (TableDocument) project.getDocument(tableName, TableManager.TYPENAME); |
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// if (table == null) {
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// return null; |
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// } |
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// return table.getFeatureStore(); |
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// break; |
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case 1: |
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String tableName = getStr(args, 0); |
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Document document = project.getDocument(tableName, TABLE_DOCUMENT_TYPENAME); |
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if (document == null) {
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return null; |
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} |
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if( document instanceof HasDataStore ) {
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return ((HasDataStore) document).getDataStore(); |
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} |
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return null; |
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|
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case 2: |
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String viewName = getStr(args, 0); |
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String layerName = getStr(args, 1); |
| ... | ... | |
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return null; |
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} |
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FLayer layer = view.getLayer(layerName); |
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if( !(layer instanceof SingleLayer ) ) {
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return null;
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if( layer instanceof HasDataStore ) {
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return ((HasDataStore)layer).getDataStore();
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} |
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return ((SingleLayer)layer).getDataStore();
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return null;
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} |
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return null; |
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} |
| ... | ... | |
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|
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@Override |
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public Object call(Interpreter interpreter, Object[] args) throws Exception {
|
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Object value = null;
|
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Object value; |
|
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String where = null; |
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String order = null; |
| 282 | 228 |
String expression_s = getStr(args, 0); |
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FeatureStore store = (FeatureStore) getObject(args, 1); |
| 284 | 230 |
switch (args.length) {
|
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case 2:
|
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case 3:
|
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where = getStr(args, 2); |
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break; |
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case 4: |
| ... | ... | |
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|
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return value; |
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} catch (Exception ex) {
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return null;
|
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throw new ExpressionRuntimeException("Problems calling '"+FETCH_FIRST_NAME+"' function", ex);
|
|
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} |
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} |
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} |
| ... | ... | |
| 362 | 308 |
|
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return value; |
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} catch (Exception ex) {
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return null;
|
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throw new ExpressionRuntimeException("Problems calling '"+FETCH_FIRST_SELECTED_NAME+"' function", ex);
|
|
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} |
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} |
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} |
| ... | ... | |
| 590 | 536 |
public ProjectSymbolTable() {
|
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super(NAME); |
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this.addFunction(new CurrentProjectFunction()); |
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this.addFunction(new FirstSelectedFeatureFunction()); |
|
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this.addFunction(new StoreFunction()); |
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this.addFunction(new FetchFirstFunction()); |
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this.addFunction(new FetchFirstSelectedFunction()); |
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