DataModelAdapter.java
资源名称:swingx.zip [点击查看]
上传用户:zhengdagz
上传日期:2014-03-06
资源大小:1956k
文件大小:7k
源码类别:
xml/soap/webservice
开发平台:
Java
- /*
- * $Id: DataModelAdapter.java,v 1.3 2005/10/10 17:01:14 rbair Exp $
- *
- * Copyright 2005 Sun Microsystems, Inc., 4150 Network Circle,
- * Santa Clara, California 95054, U.S.A. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
- package org.jdesktop.dataset.adapter;
- import java.beans.PropertyChangeEvent;
- import java.beans.PropertyChangeListener;
- import java.util.ArrayList;
- import java.util.List;
- import org.jdesktop.binding.DataModel;
- import org.jdesktop.binding.ValueChangeEvent;
- import org.jdesktop.binding.ValueChangeListener;
- import org.jdesktop.binding.metadata.MetaData;
- import org.jdesktop.binding.metadata.Validator;
- import org.jdesktop.dataset.DataSelector;
- import org.jdesktop.dataset.event.DataTableListener;
- import org.jdesktop.dataset.event.RowChangeEvent;
- import org.jdesktop.dataset.event.TableChangeEvent;
- /**
- *
- * @author rbair
- */
- public class DataModelAdapter implements DataModel {
- private DataSelector selector;
- private MetaDataProviderAdapter mdp;
- private List<Validator> validators = new ArrayList<Validator>();
- private List<ValueChangeListener> listeners = new ArrayList<ValueChangeListener>();
- /** Creates a new instance of DataModelAdapter */
- public DataModelAdapter(DataSelector s) {
- assert s != null;
- this.selector = s;
- mdp = new MetaDataProviderAdapter(selector.getDataTable());
- selector.addPropertyChangeListener("rowIndices", new PropertyChangeListener() {
- public void propertyChange(PropertyChangeEvent evt) {
- for (String fieldName : mdp.getFieldNames()) {
- fireValueChanged(fieldName);
- }
- }
- });
- selector.getDataTable().addDataTableListener(new DataTableListener() {
- public void rowChanged(RowChangeEvent evt) {
- }
- public void tableChanged(TableChangeEvent evt) {
- // fireModelChanged();
- for (String fieldName : mdp.getFieldNames()) {
- fireValueChanged(fieldName);
- }
- }
- });
- }
- public void addValidator(Validator validator) {
- if (!validators.contains(validator)) {
- validators.add(validator);
- }
- }
- public void removeValidator(Validator validator) {
- validators.remove(validator);
- }
- public Validator[] getValidators() {
- return validators.toArray(new Validator[validators.size()]);
- }
- public void addValueChangeListener(ValueChangeListener valueChangeListener) {
- if (!listeners.contains(valueChangeListener)) {
- listeners.add(valueChangeListener);
- }
- }
- public void removeValueChangeListener(ValueChangeListener valueChangeListener) {
- listeners.remove(valueChangeListener);
- }
- public ValueChangeListener[] getValueChangeListeners() {
- return listeners.toArray(new ValueChangeListener[listeners.size()]);
- }
- public int getFieldCount() {
- return mdp.getFieldCount();
- }
- public String[] getFieldNames() {
- return mdp.getFieldNames();
- }
- public MetaData[] getMetaData() {
- return mdp.getMetaData();
- }
- public MetaData getMetaData(String dataID) {
- return mdp.getMetaData(dataID);
- }
- public Object getValue(String fieldName) {
- List<Integer> indices = selector.getRowIndices();
- if (indices.size() > 0) {
- return selector.getDataTable().getValue(indices.get(0), fieldName);
- }
- return null;
- }
- public void setValue(String fieldName, Object value) {
- List<Integer> indices = selector.getRowIndices();
- for (int index : indices) {
- selector.getDataTable().setValue(index, fieldName, value);
- }
- }
- //-----------------event handling code-----------------------
- /**
- * Fires the value change event. This is called normally during the set operation
- * @param fieldName
- */
- protected void fireValueChanged(String fieldName) {
- ValueChangeEvent e = new ValueChangeEvent(this, fieldName);//getCachedEvent(fieldName);
- for (ValueChangeListener listener : listeners) {
- try {
- listener.valueChanged(e);
- } catch (Exception ex) {
- //TODO some real exception handling needs to occur
- ex.printStackTrace();
- }
- }
- }
- /**
- * Fires the model change event.
- */
- // protected void fireModelChanged() {
- // ModelChangeEvent e = new ModelChangeEvent(this);
- // for (int i = 0; i < dataModelListeners.size(); i++) {
- // DataModelListener dml = (DataModelListener)dataModelListeners.get(i);
- // try {
- // dml.modelChanged(e);
- // } catch (Exception ex) {
- // ex.printStackTrace();
- // }
- // }
- // //If the row has changed, then details of this master
- // //need to be updated as well. Loop through the detail model
- // //and tell them to reload themselves, etc.
- //// notifyMasterChanged();
- // }
- // protected void fireModelMetaDataChanged() {
- // MetaDataChangeEvent e = new MetaDataChangeEvent(this);
- // for (int i = 0; i < dataModelListeners.size(); i++) {
- // DataModelListener dml = (DataModelListener)dataModelListeners.get(i);
- // try {
- // dml.metaDataChanged(e);
- // } catch (Exception ex) {
- // ex.printStackTrace();
- // }
- // }
- // //If the row has changed, then details of this master
- // //need to be updated as well. Loop through the detail model
- // //and tell them to reload themselves, etc.
- //// notifyMasterChanged();
- // }
- /**
- * Fires a MetaDataChangeEvent if the *set* of meta data has changed. To
- * know whether the contents of a specific MetaData object have changed,
- * register with that MetaData object.
- */
- // protected void fireMetaDataChanged() {
- // MetaDataChangeEvent e = new MetaDataChangeEvent(this);
- // for (DataModelListener dml : dataModelListeners) {
- // try {
- // dml.metaDataChanged(e);
- // } catch (Exception ex) {
- // //TODO some real exception handling needs to occur
- // ex.printStackTrace();
- // }
- // }
- // }
- // private final class DataSetListener implements PropertyChangeListener {
- // public void propertyChange(PropertyChangeEvent evt) {
- // if (evt.getPropertyName().equals("rowIndices") && evt.getSource() == s) {
- // fireSelectionModelChanged(new SelectionModelEvent(DataModelImpl.this, 0, getRecordCount()));
- // }
- // }
- // }
- }