svn-gvsig-desktop / trunk / extensions / extExpressionField / src / com / iver / cit / gvsig / project / documents / table / gui / EvalExpression.java @ 28289
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package com.iver.cit.gvsig.project.documents.table.gui; |
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import java.sql.Types; |
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import java.util.BitSet; |
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import java.util.Date; |
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import java.util.prefs.Preferences; |
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import org.apache.bsf.BSFException; |
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import com.hardcode.gdbms.driver.exceptions.InitializeWriterException; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.hardcode.gdbms.engine.values.ValueFactory; |
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import com.iver.andami.PluginServices; |
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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.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.exceptions.visitors.StopWriterVisitorException; |
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import com.iver.cit.gvsig.fmap.core.IRow; |
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import com.iver.cit.gvsig.fmap.drivers.FieldDescription; |
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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.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.ISpatialWriter; |
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import com.iver.cit.gvsig.fmap.edition.IWriteable; |
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import com.iver.cit.gvsig.fmap.edition.IWriter; |
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import com.iver.cit.gvsig.fmap.edition.VectorialEditableAdapter; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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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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private FieldDescription[] fieldDescriptors; |
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private int selectedIndex; |
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private FieldDescription fieldDescriptor;
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private FLyrVect lv;
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private IEditableSource ies =null; |
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private Table table=null; |
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private static Preferences prefs = Preferences.userRoot().node( "fieldExpressionOptions" ); |
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private int limit; |
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public EvalExpression() {
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limit=prefs.getInt("limit_rows_in_memory",-1); |
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} |
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public void setTable(Table table) { |
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BitSet columnSelected = table.getSelectedFieldIndices();
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fieldDescriptors = table.getModel().getModelo().getFieldsDescription(); |
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selectedIndex = columnSelected.nextSetBit(0);
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fieldDescriptor = fieldDescriptors[selectedIndex]; |
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this.table=table;
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lv=(FLyrVect)table.getModel().getAssociatedTable(); |
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if (lv ==null) |
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ies=table.getModel().getModelo(); |
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else
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ies = (VectorialEditableAdapter) lv.getSource(); |
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} |
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public void setValue(Object obj,int i) { |
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//VectorialEditableAdapter vea = (VectorialEditableAdapter) lv.getSource();
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Value value = getValue(obj); |
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//System.out.println("num = "+i);
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IRow feat=null;
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try {
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feat = ies.getRow(i).getLinkedRow().cloneRow(); |
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} catch (ExpansionFileReadException e) {
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NotificationManager.addError(e); |
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} catch (ReadDriverException e) {
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NotificationManager.addError(e); |
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} |
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Value[] values = feat.getAttributes();
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values[selectedIndex] = value; |
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feat.setAttributes(values); |
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IRowEdited edRow = new DefaultRowEdited(feat,
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IRowEdited.STATUS_MODIFIED, i); |
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try {
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ies.modifyRow(edRow.getIndex(), edRow.getLinkedRow(), "",
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EditionEvent.ALPHANUMERIC); |
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} catch (ExpansionFileWriteException e) {
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NotificationManager.addError(e); |
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} catch (ExpansionFileReadException e) {
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NotificationManager.addError(e); |
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} catch (ValidateRowException e) {
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NotificationManager.addError(e); |
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} catch (ReadDriverException e) {
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NotificationManager.addError(e); |
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} |
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} |
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public void isCorrectValue(Object obj) throws BSFException { |
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if (obj instanceof Number || obj instanceof Date || obj instanceof Boolean || obj instanceof String) { |
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}else{
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throw new BSFException("incorrect"); |
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} |
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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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if (obj instanceof Number) { |
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if (typeField == Types.DOUBLE || typeField == Types.NUMERIC) { |
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double dv = ((Number) obj).doubleValue(); |
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value = ValueFactory.createValue(dv); |
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} else if (typeField == Types.FLOAT) { |
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float df = ((Number) obj).floatValue(); |
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value = ValueFactory.createValue(df); |
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} else if (typeField == Types.INTEGER) { |
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int di = ((Number) obj).intValue(); |
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value = ValueFactory.createValue(di); |
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} else if (typeField == Types.BIGINT) { |
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long di = ((Number) obj).longValue(); |
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value = ValueFactory.createValue(di); |
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} else if (typeField == Types.VARCHAR) { |
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String s = ((Number) obj).toString(); |
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value = ValueFactory.createValue(s); |
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} else if (typeField == Types.BOOLEAN) { |
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if (((Number) obj).intValue()==0){ |
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value=ValueFactory.createValue(false);
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}else{
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value=ValueFactory.createValue(true);
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} |
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} |
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} else if (obj instanceof Date) { |
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if (typeField == Types.DATE) { |
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Date date = (Date) obj; |
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value = ValueFactory.createValue(date); |
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} else if (typeField == Types.VARCHAR) { |
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String s = ((Date) obj).toString(); |
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value = ValueFactory.createValue(s); |
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} |
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} else if (obj instanceof Boolean) { |
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if (typeField == Types.BOOLEAN) { |
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boolean b = ((Boolean) obj).booleanValue(); |
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value = ValueFactory.createValue(b); |
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} else if (typeField == Types.VARCHAR) { |
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String s = ((Boolean) obj).toString(); |
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value = ValueFactory.createValue(s); |
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} |
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} else if (obj instanceof String) { |
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if (typeField == Types.VARCHAR) { |
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String s = obj.toString();
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value = ValueFactory.createValue(s); |
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} |
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}else{
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value=ValueFactory.createNullValue(); |
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} |
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return value;
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} |
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public FieldDescription getFieldDescriptorSelected() {
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return fieldDescriptor;
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} |
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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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} |
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ies.endComplexRow(PluginServices.getText(this, "expression")); |
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if ((lv != null) && |
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lv.getSource() instanceof VectorialEditableAdapter) {
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VectorialEditableAdapter vea = (VectorialEditableAdapter) lv.getSource(); |
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ISpatialWriter spatialWriter = (ISpatialWriter) vea.getDriver(); |
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vea.cleanSelectableDatasource(); |
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lv.setRecordset(vea.getRecordset()); // Queremos que el recordset del layer
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// refleje los cambios en los campos.
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ILayerDefinition lyrDef = EditionUtilities.createLayerDefinition(lv); |
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spatialWriter.initialize(lyrDef); |
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vea.saveEdits(spatialWriter,EditionEvent.ALPHANUMERIC); |
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vea.getCommandRecord().clearAll(); |
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} else {
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if (ies instanceof IWriteable){ |
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IWriteable w = (IWriteable) ies; |
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IWriter writer = w.getWriter(); |
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if (writer == null){ |
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}else{
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ITableDefinition tableDef = ies.getTableDefinition(); |
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writer.initialize(tableDef); |
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ies.saveEdits(writer,EditionEvent.ALPHANUMERIC); |
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ies.getSelection().clear(); |
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} |
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} |
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ies.getCommandRecord().clearAll(); |
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} |
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ies.startComplexRow(); |
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table.refresh(); |
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} |
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} |