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/*
* #%L
* JAXX :: Validator
* %%
* Copyright (C) 2008 - 2014 Code Lutin, Tony Chemit
* %%
* This program 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 3 of the
* License, or (at your option) any later version.
*
* This program 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
package jaxx.runtime.validator.swing;
import jaxx.runtime.SwingUtil;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nuiton.validator.NuitonValidatorScope;
import org.nuiton.validator.bean.simple.SimpleBeanValidatorEvent;
import org.nuiton.validator.bean.simple.SimpleBeanValidatorListener;
import javax.swing.JComponent;
import javax.swing.table.AbstractTableModel;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
/**
* The model of the table of errors.
*
* The model listens validators messages and update his internal model from it.
*
* @author Tony Chemit - [email protected]
* @since 1.3
*/
public class SwingValidatorMessageTableModel
extends AbstractTableModel
implements SimpleBeanValidatorListener {
private static final long serialVersionUID = 1L;
/** Logger */
private static Log log =
LogFactory.getLog(SwingValidatorMessageTableModel.class);
public static final String[] columnNames =
{"validator.scope", "validator.field", "validator.message"};
public static final Class[] columnClasses =
{NuitonValidatorScope.class, String.class, String.class};
/** list of registred validators */
protected transient List> validators;
/** list of messages actual displayed */
protected List data;
public SwingValidatorMessageTableModel() {
validators = new ArrayList>();
data = new ArrayList();
}
/**
* Register a validator for this model.
*
*
* Note: a validator can not be register twice in the same model.
*
* @param validator the validator to register
*/
public void registerValidator(SwingValidator validator) {
if (validators.contains(validator)) {
throw new IllegalArgumentException(
"the validator " + validator + " is already registred in "
+ this);
}
validators.add(validator);
validator.addSimpleBeanValidatorListener(this);
}
public void addMessages(SwingValidator validator,
String fieldName,
NuitonValidatorScope scope,
String... messages) {
addMessages(validator, fieldName, scope, true, messages);
}
public void addMessages(JComponent editor,
String fieldName,
NuitonValidatorScope scope,
String... messages) {
addMessages(editor, fieldName, scope, true, messages);
}
public void removeMessages(JComponent editor, NuitonValidatorScope scope) {
if (editor == null) {
// no editor, so nothing to do
return;
}
// do it in reverse mode (only one pass in that way since index
// will stay coherent while removing them)
for (int i = getRowCount() - 1; i > -1; i--) {
SwingValidatorMessage error = data.get(i);
if (editor.equals(error.getEditor()) &&
(scope == null || error.getScope() == scope)) {
// remove the message
data.remove(i);
fireTableRowsDeleted(i, i);
}
}
}
public void removeMessages(SwingValidator validator,
String fieldName,
NuitonValidatorScope scope,
String... messages) {
removeMessages(validator, fieldName, scope, true, messages);
}
public void removeMessages(JComponent editor,
String fieldName,
NuitonValidatorScope scope) {
removeMessages(editor, fieldName, scope, true);
}
public void clear() {
int i = data.size();
if (i > 0) {
data.clear();
fireTableRowsDeleted(0, i - 1);
}
}
public void clearValidators() {
for (SwingValidator v : validators) {
v.removeSimpleBeanValidatorListener(this);
}
validators.clear();
}
/**
* Obtain the message for a given row.
*
* @param rowIndex the row index
* @return the message for the given row index
*/
public SwingValidatorMessage getRow(int rowIndex) {
SwingUtil.ensureRowIndex(this, rowIndex);
return data.get(rowIndex);
}
@Override
public boolean isCellEditable(int row, int column) {
// cells are never editable in this model
return false;
}
@Override
public Class getColumnClass(int columnIndex) {
SwingUtil.ensureColumnIndex(this, columnIndex);
return columnClasses[columnIndex];
}
@Override
public String getColumnName(int column) {
SwingUtil.ensureColumnIndex(this, column);
return columnNames[column];
}
@Override
public void onFieldChanged(SimpleBeanValidatorEvent event) {
String[] toDelete = event.getMessagesToDelete();
String[] toAdd = event.getMessagesToAdd();
String field = event.getField();
NuitonValidatorScope scope = event.getScope();
boolean mustAdd = toAdd != null && toAdd.length > 0;
boolean mustDel = toDelete != null && toDelete.length > 0;
if (log.isTraceEnabled()) {
log.trace("----------------------------------------------------------");
log.trace(field + " - (" + getRowCount() + ") toAdd " + mustAdd);
log.trace(field + " - (" + getRowCount() + ") toDelete " + mustDel);
}
SwingValidator validator = (SwingValidator) event.getSource();
if (mustDel) {
// removes datas and notify if no messages to add
removeMessages(validator, field, scope, !mustAdd, toDelete);
}
if (mustAdd) {
// add new messages, sort datas and notify
addMessages(validator, field, scope, true, toAdd);
}
}
@Override
public int getRowCount() {
return data.size();
}
@Override
public int getColumnCount() {
return columnNames.length;
}
@Override
public Object getValueAt(int rowIndex, int columnIndex) {
SwingUtil.ensureColumnIndex(this, columnIndex);
SwingUtil.ensureRowIndex(this, rowIndex);
SwingValidatorMessage row = data.get(rowIndex);
if (columnIndex == 0) {
// the icon
return row.getScope();
}
if (columnIndex == 1) {
// the field
return row.getField();
}
if (columnIndex == 2) {
// the message
return row.getMessage();
}
// should never come here
return null;
}
protected void addMessages(SwingValidator validator,
String fieldName,
NuitonValidatorScope scope,
boolean sort,
String... messages) {
JComponent editor = validator == null ?
null :
validator.getFieldRepresentation(fieldName);
// add new errors
for (String error : messages) {
SwingValidatorMessage row =
new SwingValidatorMessage(
validator,
fieldName,
error,
scope,
editor
);
data.add(row);
if (!sort) {
fireTableRowsInserted(data.size() - 1, data.size() - 1);
}
}
if (sort) {
// resort datas
Collections.sort(data);
// notify
fireTableDataChanged();
}
}
protected void addMessages(JComponent editor,
String fieldName,
NuitonValidatorScope scope,
boolean sort,
String... messages) {
// add new errors
for (String error : messages) {
SwingValidatorMessage row =
new SwingValidatorMessage(
null,
fieldName,
error,
scope,
editor
);
data.add(row);
if (!sort) {
fireTableRowsInserted(data.size() - 1, data.size() - 1);
}
}
if (sort) {
// resort datas
Collections.sort(data);
// notify
fireTableDataChanged();
}
}
protected void removeMessages(SwingValidator validator,
String fieldName,
NuitonValidatorScope scope,
boolean notify,
String... messages) {
List messagesToDel =
new ArrayList(Arrays.asList(messages));
// do it in reverse mode (only one pass in that way since index
// will stay coherent while removing them)
for (int i = getRowCount() - 1; i > -1; i--) {
SwingValidatorMessage error = data.get(i);
if (validator.equals(error.getValidator()) &&
error.getScope() == scope &&
error.getField().equals(fieldName) &&
messagesToDel.contains(error.getMessage())) {
// remove the message
data.remove(i);
if (notify) {
fireTableRowsDeleted(i, i);
}
}
}
}
protected void removeMessages(JComponent editor,
String fieldName,
NuitonValidatorScope scope,
boolean notify) {
// do it in reverse mode (only one pass in that way since index
// will stay coherent while removing them)
for (int i = getRowCount() - 1; i > -1; i--) {
SwingValidatorMessage error = data.get(i);
if (editor.equals(error.getEditor()) &&
(scope == null || error.getScope() == scope) &&
error.getField().equals(fieldName)) {
// remove the message
data.remove(i);
if (notify) {
fireTableRowsDeleted(i, i);
}
}
}
}
}
