/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2008 Sun Microsystems, Inc.
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*/
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package org.opends.guitools.controlpanel.ui;
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import java.util.HashSet;
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import java.util.Set;
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import javax.swing.border.Border;
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import javax.swing.border.EmptyBorder;
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import org.opends.guitools.controlpanel.event.SchemaElementSelectionEvent;
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import org.opends.guitools.controlpanel.event.SchemaElementSelectionListener;
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/**
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* Abstract class used to refactor some code among the panels that display the
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* contents of a schema element.
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*
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*/
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public abstract class SchemaElementPanel extends StatusGenericPanel
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{
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private Set<SchemaElementSelectionListener> listeners =
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new HashSet<SchemaElementSelectionListener>();
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/**
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* The empty border shared by all the schema element panels.
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*/
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protected Border PANEL_BORDER = new EmptyBorder(10, 10, 10, 10);
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/**
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* Adds a schema element selection listener.
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* @param listener the listener.
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*/
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public void addSchemaElementSelectionListener(
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SchemaElementSelectionListener listener)
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{
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listeners.add(listener);
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}
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/**
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* Removes a schema element selection listener.
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* @param listener the listener.
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*/
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public void removeSchemaElementSelectionListener(
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SchemaElementSelectionListener listener)
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{
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listeners.add(listener);
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}
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/**
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* Notifies to all the listeners that a new schema element was selected.
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* @param schemaElement the new schema element that has been selected.
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*/
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protected void notifySchemaSelectionListeners(Object schemaElement)
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{
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for (SchemaElementSelectionListener listener : listeners)
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{
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listener.schemaElementSelected(
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new SchemaElementSelectionEvent(this, schemaElement));
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}
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}
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/**
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* Method used to know if there are unsaved changes or not. It is used by
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* the schema selection listener when the user changes the selection.
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* @return <CODE>true</CODE> if there are unsaved changes (and so the
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* selection of the schema should be canceled) and <CODE>false</CODE>
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* otherwise.
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*/
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public boolean mustCheckUnsavedChanges()
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{
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return false;
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}
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/**
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* Tells whether the user chose to save the changes in the panel, to not save
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* them or simply cancelled the selection in the tree.
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* @return the value telling whether the user chose to save the changes in the
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* panel, to not save them or simply cancelled the selection in the tree.
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*/
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public UnsavedChangesDialog.Result checkUnsavedChanges()
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{
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return UnsavedChangesDialog.Result.DO_NOT_SAVE;
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}
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}
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