/*
* Copyright (c) 2014, grossmann
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the jo-widgets.org nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL jo-widgets.org BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* DAMAGE.
*/
package org.jowidgets.tools.editor;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.Set;
import org.jowidgets.api.widgets.IInputField;
import org.jowidgets.common.model.ITableCell;
import org.jowidgets.common.types.IVetoable;
import org.jowidgets.common.verify.IInputVerifier;
import org.jowidgets.common.widgets.controller.ITableCellEvent;
import org.jowidgets.common.widgets.editor.ITableCellEditor;
import org.jowidgets.common.widgets.factory.ICustomWidgetFactory;
import org.jowidgets.tools.types.VetoHolder;
import org.jowidgets.tools.widgets.blueprint.BPF;
import org.jowidgets.util.Assert;
public class TextFieldCellEditorFactory extends AbstractTableCellEditorFactory<ITableCellEditor> {
private final Set<ITableCellEditorListener> listeners;
public TextFieldCellEditorFactory() {
this.listeners = new LinkedHashSet<ITableCellEditorListener>();
}
@Override
public ITableCellEditor create(
final ITableCell cell,
final int row,
final int column,
final ICustomWidgetFactory widgetFactory) {
final InputVerifier inputVerifier = new InputVerifier();
final IInputField<String> inputField = widgetFactory.create(BPF.inputFieldString().setInputVerifier(inputVerifier));
final TextFieldEditor result = new TextFieldEditor(inputField);
inputVerifier.setIndices(result);
return result;
}
public void addTableCellEditorListener(final ITableCellEditorListener listener) {
Assert.paramNotNull(listener, "listener");
listeners.add(listener);
}
public void removeTableCellEditorListener(final ITableCellEditorListener listener) {
Assert.paramNotNull(listener, "listener");
listeners.remove(listener);
}
private final class TextFieldEditor extends AbstractTableCellEditor implements ICellIndicesProvider {
private final IInputField<String> editor;
private int row;
private int column;
@SuppressWarnings("unchecked")
private TextFieldEditor(final IInputField<String> editor) {
super(editor);
this.editor = (IInputField<String>) super.getWidget();
}
@Override
public void startEditing(final ITableCell cell, final int row, final int column) {
editor.setValue(cell.getText());
editor.selectAll();
this.row = row;
this.column = column;
}
@Override
public void stopEditing(final ITableCell cell, final int row, final int column) {
for (final ITableCellEditorListener listener : new LinkedList<ITableCellEditorListener>(listeners)) {
listener.editFinished(new TableCellEditEvent(row, column, editor.getText()));
}
}
@Override
public void cancelEditing(final ITableCell cell, final int row, final int column) {
for (final ITableCellEditorListener listener : new LinkedList<ITableCellEditorListener>(listeners)) {
listener.editCanceled(new TableCellEditEvent(row, column, editor.getText()));
}
}
@Override
public int getRow() {
return row;
}
@Override
public int getColumn() {
return column;
}
}
private final class InputVerifier implements IInputVerifier {
private ICellIndicesProvider indices;
@Override
public boolean verify(final String currentValue, final String input, final int start, final int end) {
final VetoHolder vetoHolder = new VetoHolder();
for (final ITableCellEditorListener listener : new LinkedList<ITableCellEditorListener>(listeners)) {
listener.onEdit(vetoHolder, new TableCellEditEvent(indices.getRow(), indices.getColumn(), currentValue));
if (vetoHolder.hasVeto()) {
break;
}
}
return !vetoHolder.hasVeto();
}
private void setIndices(final ICellIndicesProvider indices) {
this.indices = indices;
}
}
private final class TableCellEditEvent implements ITableCellEditEvent {
private final int rowIndex;
private final int columnIndex;
private final String currentText;
private TableCellEditEvent(final int rowIndex, final int columnIndex, final String currentText) {
this.rowIndex = rowIndex;
this.columnIndex = columnIndex;
this.currentText = currentText;
}
@Override
public int getRowIndex() {
return rowIndex;
}
@Override
public int getColumnIndex() {
return columnIndex;
}
@Override
public String getCurrentText() {
return currentText;
}
}
private interface ICellIndicesProvider {
int getRow();
int getColumn();
}
public interface ITableCellEditEvent extends ITableCellEvent {
String getCurrentText();
}
public interface ITableCellEditorListener {
void onEdit(IVetoable veto, ITableCellEditEvent event);
void editFinished(ITableCellEditEvent event);
void editCanceled(ITableCellEvent event);
}
}