Revision 36459
trunk/extensions/extExpressionField/src/com/iver/cit/gvsig/ExpressionFieldExtension.java | ||
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79 | 79 |
*/ |
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public class ExpressionFieldExtension extends Extension{ |
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public static final String JYTHON="jython"; |
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private static BSFManager interpreter=new BSFManager();
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private static BSFManager interpreter;
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private Table table=null; |
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private static ArrayList<IOperator> operators=new ArrayList<IOperator>();
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private static ArrayList<IOperator> operators;
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public void initialize() { |
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registerOperations(); |
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registerIcons(); |
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} |
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|
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// TODO: fpuga: Maybe, interpreter and operators should be instantiated |
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// in its own class, not in EvalExpression, EvalExpressionDialog or |
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// ExpressionFieldExtension. I think that if that class was singleton we |
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// will get the same behavior that we have now, and the code will more |
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// encapsulate without need of get ExpressionFieldExtension to use this |
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public BSFManager getInterpreter() { |
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if (operators.isEmpty()) {
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loadOperators();
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if (interpreter == null) {
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interpreter = new BSFManager();
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} |
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return interpreter; |
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} |
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public ArrayList<IOperator> getOperators() { |
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if (operators == null) { |
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operators = new ArrayList<IOperator>(); |
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// getInterpreter() is only to avoid a possible NullPointerException |
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getInterpreter(); |
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ExtensionPoint extensionPoint = (ExtensionPoint) ExtensionPointsSingleton |
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.getInstance().get("ColumnOperators"); |
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Iterator<String> iterator = extensionPoint.keySet().iterator(); |
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while (iterator.hasNext()) { |
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try { |
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IOperator operator = (IOperator) extensionPoint |
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.create(iterator.next()); |
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operator.eval(interpreter); |
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operators.add(operator); |
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} catch (BSFException e) { |
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e.printStackTrace(); |
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} catch (InstantiationException e) { |
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e.printStackTrace(); |
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} catch (IllegalAccessException e) { |
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e.printStackTrace(); |
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} |
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} |
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} |
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return operators; |
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} |
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public void execute(String actionCommand) { |
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com.iver.andami.ui.mdiManager.IWindow window = PluginServices.getMDIManager().getActiveWindow(); |
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table=(Table)window; |
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if (operators.isEmpty()) { |
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loadOperators(); |
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} |
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EvalExpression ee = new EvalExpression(interpreter, operators); |
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EvalExpression ee = new EvalExpression(getInterpreter(), getOperators()); |
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ee.setTable(table); |
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EvalExpressionDialog eed = new EvalExpressionDialog(ee); |
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PluginServices.getMDIManager().addWindow(eed); |
... | ... | |
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this.getClass().getClassLoader().getResource("images/FieldExpression.png") |
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); |
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} |
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public void loadOperators() { |
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ExtensionPoint extensionPoint = (ExtensionPoint) ExtensionPointsSingleton |
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.getInstance().get("ColumnOperators"); |
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Iterator<String> iterator = extensionPoint.keySet().iterator(); |
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while (iterator.hasNext()) { |
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try { |
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IOperator operator = (IOperator) extensionPoint.create(iterator |
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.next()); |
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operator.eval(interpreter); |
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operators.add(operator); |
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} catch (BSFException e) { |
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e.printStackTrace(); |
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} catch (InstantiationException e) { |
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e.printStackTrace(); |
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} catch (IllegalAccessException e) { |
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e.printStackTrace(); |
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} |
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} |
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} |
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} |
trunk/extensions/extExpressionField/src/com/iver/cit/gvsig/project/documents/table/gui/EvalExpression.java | ||
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21 | 21 |
import com.iver.andami.messages.NotificationManager; |
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import com.iver.cit.gvsig.EditionUtilities; |
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import com.iver.cit.gvsig.ExpressionFieldExtension; |
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import com.iver.cit.gvsig.ProjectExtension; |
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import com.iver.cit.gvsig.exceptions.expansionfile.ExpansionFileReadException; |
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import com.iver.cit.gvsig.exceptions.expansionfile.ExpansionFileWriteException; |
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import com.iver.cit.gvsig.exceptions.validate.ValidateRowException; |
... | ... | |
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import com.iver.cit.gvsig.fmap.drivers.ILayerDefinition; |
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import com.iver.cit.gvsig.fmap.drivers.ITableDefinition; |
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import com.iver.cit.gvsig.fmap.edition.DefaultRowEdited; |
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import com.iver.cit.gvsig.fmap.edition.EditableAdapter; |
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import com.iver.cit.gvsig.fmap.edition.EditionEvent; |
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import com.iver.cit.gvsig.fmap.edition.IEditableSource; |
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import com.iver.cit.gvsig.fmap.edition.IRowEdited; |
... | ... | |
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import com.iver.cit.gvsig.fmap.edition.VectorialEditableAdapter; |
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import com.iver.cit.gvsig.fmap.layers.FBitSet; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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import com.iver.cit.gvsig.fmap.layers.ReadableVectorial; |
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import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.AlphanumericData; |
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import com.iver.cit.gvsig.project.ProjectFactory; |
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import com.iver.cit.gvsig.project.documents.table.IOperator; |
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import com.iver.cit.gvsig.project.documents.table.Index; |
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import com.iver.cit.gvsig.project.documents.table.ProjectTable; |
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import com.iver.cit.gvsig.project.documents.table.ProjectTableFactory; |
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/** |
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* This class implements the logic of a expression and fill a field of the table |
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* |
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* To use this class to evaluate and execute an expression something like this |
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* can be done: |
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* |
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* ExpressionFieldExtension efe = (ExpressionFieldExtension) |
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* PluginServices.getExtension(ExpressionFieldExtension.class); |
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* |
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* EvalExpression ee = new EvalExpression(efe.getInterpreter(), efe.getOperators()); |
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* ToggleEditing te = new ToggleEditing(); |
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* // put the layer in edition mode |
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* te.startEditing(layer); |
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* ee.setLayer(layer, 7); |
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* ee.evalExpression("toUpperCase([NOME_MAPA])"); |
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* // close edition mode and save the layer |
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* te.stopEditing(layer, false); |
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* |
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* @author Vicente Caballero Navarro |
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*/ |
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public class EvalExpression { |
... | ... | |
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public EvalExpression(BSFManager interpreter, ArrayList<IOperator> operators) { |
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limit=prefs.getInt("limit_rows_in_memory",-1); |
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//fpuga: I think interpreter should be instantiated here and not passed |
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this.interpreter = interpreter; |
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this.interpreter = interpreter; |
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this.operators = operators; |
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} |
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/** |
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* |
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* @param layer |
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* Must be in edition or a ClassCastException will be thrown |
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* @param selectedIndex |
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* The index of the field in the FieldDescription which will be |
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* filled by the expression |
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*/ |
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public void setLayer(FLyrVect layer, int selectedIndex) { |
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this.layer = layer; |
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ies = (VectorialEditableAdapter) layer.getSource(); |
... | ... | |
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} |
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/** |
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* Returns the value created from object. |
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* |
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* @param obj value. |
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* |
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* @return Value. |
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*/ |
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private Value getValue(Object obj) { |
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int typeField = fieldDescriptor.getFieldType(); |
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Value value = null;//ValueFactory.createNullValue(); |
... | ... | |
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public FieldDescription[] getFieldDescriptors() { |
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return fieldDescriptors; |
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} |
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// public void setFieldValue(Object obj,int i) { |
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// try { |
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// ((DBFDriver)table.getModel().getModelo().getOriginalDriver()).setFieldValue(i,selectedIndex,obj); |
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// } catch (DriverLoadException e) { |
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// e.printStackTrace(); |
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// } catch (IOException e) { |
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// e.printStackTrace(); |
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// } |
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// } |
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public void saveEdits(int numRows) throws ReadDriverException, InitializeWriterException, StopWriterVisitorException { |
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if (limit==-1 || numRows == 0 || (numRows % limit)!=0) { |
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return; |
... | ... | |
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public BSFManager getInterpreter() { |
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return this.interpreter; |
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} |
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} |
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} |
trunk/extensions/extExpressionField/src/com/iver/cit/gvsig/project/documents/table/gui/EvalExpressionDialog.java | ||
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69 | 69 |
private JList listCommand = null; |
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private JPanel pMessage; |
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private EvalExpression evalExpression; |
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int lastType = -1; |
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private JButton bClear = null; |
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private JTabbedPane tabPrincipal = null; |
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private JPanel pPrincipal = null; |
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private JPanel pAdvanced = null; |
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private JPanel pAdvancedNorth = null; |
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private JTextField jTextField = null; |
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private JButton bFile = null; |
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private JPanel pAdvancedCenter = null; |
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private JLabel lblLeng = null; |
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private JButton bEval = null; |
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private JScrollPane jScrollPane3 = null; |
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private JTextArea txtMessage2 = null; |
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public EvalExpressionDialog(EvalExpression ee) { |
... | ... | |
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return pMessage; |
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} |
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/** |
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* Evaluate the fields. |
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* |
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* @param interpreter |
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* |
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* @throws EvalError |
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*/ |
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int lastType=-1; |
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private JButton bClear = null; |
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private JTabbedPane tabPrincipal = null; |
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private JPanel pPrincipal = null; |
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private JPanel pAdvanced = null; |
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private JPanel pAdvancedNorth = null; |
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private JTextField jTextField = null; |
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private JButton bFile = null; |
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private JPanel pAdvancedCenter = null; |
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private JLabel lblLeng = null; |
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private JButton bEval = null; |
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private JScrollPane jScrollPane3 = null; |
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private JTextArea txtMessage2 = null; |
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private void refreshOperators(int type) { |
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if (lastType!=-1 && lastType==type) |
... | ... | |
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getTxtMessage2().setText(operator.getTooltip()); |
393 | 387 |
if (e.getClickCount() == 2) { |
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String text = getTxtExp().getText(); |
395 |
int caretPos = getTxtExp().getCaretPosition(); |
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int selStart = getTxtExp().getSelectionStart(); |
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int selEnd = getTxtExp().getSelectionEnd(); |
398 | 391 |
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// int caretPos = getTxtExp().getCaretPosition(); |
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399 | 393 |
// if (caretPos == text.length()){ |
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// getTxtExp().setText(operator.addText(text)); |
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// } else { |
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