/*
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* ProGuard -- shrinking, optimization, obfuscation, and preverification
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* of Java bytecode.
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*
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* Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package proguard.gui;
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import proguard.MemberSpecification;
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import proguard.classfile.ClassConstants;
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import proguard.classfile.util.ClassUtil;
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.*;
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import java.util.*;
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import java.util.List;
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/**
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* This <code>ListPanel</code> allows the user to add, edit, move, and remove
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* MemberSpecification entries in a list.
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*
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* @author Eric Lafortune
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*/
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final class MemberSpecificationsPanel extends ListPanel
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{
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private final MemberSpecificationDialog fieldSpecificationDialog;
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private final MemberSpecificationDialog methodSpecificationDialog;
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public MemberSpecificationsPanel(JDialog owner, boolean fullKeepOptions)
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{
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super();
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super.firstSelectionButton = fullKeepOptions ? 3 : 2;
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list.setCellRenderer(new MyListCellRenderer());
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fieldSpecificationDialog = new MemberSpecificationDialog(owner, true);
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methodSpecificationDialog = new MemberSpecificationDialog(owner, false);
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if (fullKeepOptions)
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{
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addAddFieldButton();
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}
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addAddMethodButton();
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addEditButton();
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addRemoveButton();
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addUpButton();
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addDownButton();
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enableSelectionButtons();
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}
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protected void addAddFieldButton()
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{
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JButton addFieldButton = new JButton(msg("addField"));
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addFieldButton.addActionListener(new ActionListener()
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{
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public void actionPerformed(ActionEvent e)
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{
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fieldSpecificationDialog.setMemberSpecification(new MemberSpecification());
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int returnValue = fieldSpecificationDialog.showDialog();
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if (returnValue == MemberSpecificationDialog.APPROVE_OPTION)
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{
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// Add the new element.
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addElement(new MyMemberSpecificationWrapper(fieldSpecificationDialog.getMemberSpecification(),
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true));
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}
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}
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});
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addButton(tip(addFieldButton, "addFieldTip"));
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}
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protected void addAddMethodButton()
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{
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JButton addMethodButton = new JButton(msg("addMethod"));
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addMethodButton.addActionListener(new ActionListener()
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{
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public void actionPerformed(ActionEvent e)
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{
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methodSpecificationDialog.setMemberSpecification(new MemberSpecification());
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int returnValue = methodSpecificationDialog.showDialog();
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if (returnValue == MemberSpecificationDialog.APPROVE_OPTION)
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{
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// Add the new element.
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addElement(new MyMemberSpecificationWrapper(methodSpecificationDialog.getMemberSpecification(),
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false));
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}
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}
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});
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addButton(tip(addMethodButton, "addMethodTip"));
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}
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protected void addEditButton()
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{
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JButton editButton = new JButton(msg("edit"));
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editButton.addActionListener(new ActionListener()
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{
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public void actionPerformed(ActionEvent e)
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{
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MyMemberSpecificationWrapper wrapper =
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(MyMemberSpecificationWrapper)list.getSelectedValue();
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MemberSpecificationDialog memberSpecificationDialog =
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wrapper.isField ?
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fieldSpecificationDialog :
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methodSpecificationDialog;
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memberSpecificationDialog.setMemberSpecification(wrapper.memberSpecification);
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int returnValue = memberSpecificationDialog.showDialog();
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if (returnValue == MemberSpecificationDialog.APPROVE_OPTION)
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{
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// Replace the old element.
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wrapper.memberSpecification = memberSpecificationDialog.getMemberSpecification();
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setElementAt(wrapper,
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list.getSelectedIndex());
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}
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}
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});
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addButton(tip(editButton, "editTip"));
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}
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/**
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* Sets the MemberSpecification instances to be represented in this panel.
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*/
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public void setMemberSpecifications(List fieldSpecifications,
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List methodSpecifications)
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{
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listModel.clear();
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if (fieldSpecifications != null)
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{
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for (int index = 0; index < fieldSpecifications.size(); index++)
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{
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listModel.addElement(
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new MyMemberSpecificationWrapper((MemberSpecification)fieldSpecifications.get(index),
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true));
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}
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}
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if (methodSpecifications != null)
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{
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for (int index = 0; index < methodSpecifications.size(); index++)
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{
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listModel.addElement(
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new MyMemberSpecificationWrapper((MemberSpecification)methodSpecifications.get(index),
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false));
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}
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}
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// Make sure the selection buttons are properly enabled,
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// since the clear method doesn't seem to notify the listener.
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enableSelectionButtons();
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}
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/**
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* Returns the MemberSpecification instances currently represented in
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* this panel, referring to fields or to methods.
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*
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* @param isField specifies whether specifications referring to fields or
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* specifications referring to methods should be returned.
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*/
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public List getMemberSpecifications(boolean isField)
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{
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int size = listModel.size();
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if (size == 0)
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{
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return null;
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}
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List memberSpecifications = new ArrayList(size);
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for (int index = 0; index < size; index++)
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{
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MyMemberSpecificationWrapper wrapper =
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(MyMemberSpecificationWrapper)listModel.get(index);
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if (wrapper.isField == isField)
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{
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memberSpecifications.add(wrapper.memberSpecification);
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}
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}
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return memberSpecifications;
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}
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/**
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* This ListCellRenderer renders MemberSpecification objects.
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*/
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private static class MyListCellRenderer implements ListCellRenderer
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{
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private final JLabel label = new JLabel();
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// Implementations for ListCellRenderer.
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public Component getListCellRendererComponent(JList list,
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Object value,
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int index,
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boolean isSelected,
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boolean cellHasFocus)
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{
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MyMemberSpecificationWrapper wrapper = (MyMemberSpecificationWrapper)value;
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MemberSpecification option = wrapper.memberSpecification;
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String name = option.name;
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String descriptor = option.descriptor;
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label.setText(wrapper.isField ?
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(descriptor == null ? name == null ?
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"<fields>" :
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"***" + ' ' + name :
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ClassUtil.externalFullFieldDescription(0,
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name == null ? "*" : name,
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descriptor)) :
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(descriptor == null ? name == null ?
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"<methods>" :
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"***" + ' ' + name + "(...)" :
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ClassUtil.externalFullMethodDescription(ClassConstants.METHOD_NAME_INIT,
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0,
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name == null ? "*" : name,
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descriptor)));
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if (isSelected)
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{
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label.setBackground(list.getSelectionBackground());
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label.setForeground(list.getSelectionForeground());
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}
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else
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{
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label.setBackground(list.getBackground());
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label.setForeground(list.getForeground());
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}
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label.setOpaque(true);
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return label;
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}
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}
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/**
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* Attaches the tool tip from the GUI resources that corresponds to the
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* given key, to the given component.
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*/
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private static JComponent tip(JComponent component, String messageKey)
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{
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component.setToolTipText(msg(messageKey));
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return component;
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}
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/**
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* Returns the message from the GUI resources that corresponds to the given
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* key.
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*/
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private static String msg(String messageKey)
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{
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return GUIResources.getMessage(messageKey);
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}
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/**
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* This class wraps a MemberSpecification, additionally storing whether
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* the option refers to a field or to a method.
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*/
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private static class MyMemberSpecificationWrapper
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{
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public MemberSpecification memberSpecification;
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public final boolean isField;
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public MyMemberSpecificationWrapper(MemberSpecification memberSpecification,
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boolean isField)
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{
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this.memberSpecification = memberSpecification;
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this.isField = isField;
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}
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}
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}
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