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ValueAndAssociatedWidgets.java
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ValueAndAssociatedWidgets.java
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/*******************************************************************************
* Copyright (c) 2011 Laurent CARON
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Laurent CARON (laurent.caron at gmail dot com) - Initial implementation and API
*******************************************************************************/
package org.eclipse.nebula.widgets.opal.preferencewindow;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.nebula.widgets.opal.preferencewindow.widgets.PWWidget;
/**
* This POJO contains a value a list of widgets that depends on a given property
*
*/
class ValueAndAssociatedWidgets {
private Object value;
private final List<PWWidget> widgets;
private final List<PWRowGroup> rowGroups;
/**
* Constructor
*
* @param value associated value
*/
ValueAndAssociatedWidgets(final Object value) {
this.value = value;
this.widgets = new ArrayList<PWWidget>();
this.rowGroups = new ArrayList<PWRowGroup>();
}
/**
* @param widget dependant widget
*/
void addWidget(final PWWidget widget) {
this.widgets.add(widget);
}
/**
* @param rowGroup dependant row or group
*/
void addRowGroup(final PWRowGroup rowGroup) {
this.rowGroups.add(rowGroup);
}
/**
* @return the value stored in the instance
*/
Object getValue() {
return this.value;
}
/**
* @param value new value stored in this instance
*/
void setValue(final Object value) {
this.value = value;
fireValueChanged();
}
/**
* Fire events when the value has changed
*/
void fireValueChanged() {
for (final PWRowGroup rowGroup : this.rowGroups) {
rowGroup.enableOrDisable();
}
for (final PWWidget widget : this.widgets) {
widget.enableOrDisable();
}
}
}