memberspecificationdialog.java

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        mainPanel.add(accessPanel,         panelConstraints);
        mainPanel.add(annotationTypePanel, panelConstraints);
        mainPanel.add(typePanel,           panelConstraints);
        mainPanel.add(namePanel,           panelConstraints);

        if (!isField)
        {
            mainPanel.add(argumentsPanel, panelConstraints);
        }

        mainPanel.add(okButton,     okButtonConstraints);
        mainPanel.add(cancelButton, cancelButtonConstraints);

        getContentPane().add(mainPanel);
    }


    /**
     * Adds a JLabel and three JRadioButton instances in a ButtonGroup to the
     * given panel with a GridBagLayout, and returns the buttons in an array.
     */
    private JRadioButton[] addRadioButtonTriplet(String labelText,
                                                 JPanel panel)
    {
        GridBagConstraints labelConstraints = new GridBagConstraints();
        labelConstraints.anchor = GridBagConstraints.WEST;
        labelConstraints.insets = new Insets(2, 10, 2, 10);

        GridBagConstraints buttonConstraints = new GridBagConstraints();
        buttonConstraints.insets = labelConstraints.insets;

        GridBagConstraints lastGlueConstraints = new GridBagConstraints();
        lastGlueConstraints.gridwidth = GridBagConstraints.REMAINDER;
        lastGlueConstraints.weightx   = 1.0;

        // Create the radio buttons.
        JRadioButton radioButton0 = new JRadioButton();
        JRadioButton radioButton1 = new JRadioButton();
        JRadioButton radioButton2 = new JRadioButton();

        // Put them in a button group.
        ButtonGroup buttonGroup = new ButtonGroup();
        buttonGroup.add(radioButton0);
        buttonGroup.add(radioButton1);
        buttonGroup.add(radioButton2);

        // Add the label and the buttons to the panel.
        panel.add(new JLabel(labelText), labelConstraints);
        panel.add(radioButton0,          buttonConstraints);
        panel.add(radioButton1,          buttonConstraints);
        panel.add(radioButton2,          buttonConstraints);
        panel.add(Box.createGlue(),      lastGlueConstraints);

        return new JRadioButton[]
        {
             radioButton0,
             radioButton1,
             radioButton2
        };
    }


    /**
     * Sets the MemberSpecification to be represented in this dialog.
     */
    public void setMemberSpecification(MemberSpecification memberSpecification)
    {
        String annotationType = memberSpecification.annotationType;
        String name           = memberSpecification.name;
        String descriptor     = memberSpecification.descriptor;

        // Set the class name text fields.
        annotationTypeTextField.setText(annotationType == null ? "" : ClassUtil.externalType(annotationType));

        // Set the access radio buttons.
        setMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_PUBLIC,       publicRadioButtons);
        setMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_PRIVATE,      privateRadioButtons);
        setMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_PROTECTED,    protectedRadioButtons);
        setMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_STATIC,       staticRadioButtons);
        setMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_FINAL,        finalRadioButtons);
        setMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_VOLATILE,     volatileRadioButtons);
        setMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_TRANSIENT,    transientRadioButtons);
        setMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_SYNCHRONIZED, synchronizedRadioButtons);
        setMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_NATIVE,       nativeRadioButtons);
        setMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_ABSTRACT,     abstractRadioButtons);
        setMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_STRICT,       strictRadioButtons);

        // Set the class name text fields.
        nameTextField.setText(name == null ? "" : name);

        if (isField)
        {
            typeTextField         .setText(descriptor == null ? "" : ClassUtil.externalType(descriptor));
        }
        else
        {
            typeTextField         .setText(descriptor == null ? "" : ClassUtil.externalMethodReturnType(descriptor));
            argumentTypesTextField.setText(descriptor == null ? "" : ClassUtil.externalMethodArguments(descriptor));
        }
    }


    /**
     * Returns the MemberSpecification currently represented in this dialog.
     */
    public MemberSpecification getMemberSpecification()
    {
        String annotationType = annotationTypeTextField.getText();
        String name           = nameTextField.getText();
        String type           = typeTextField.getText();
        String arguments      = argumentTypesTextField.getText();

        // Convert all class member specifications into the internal format.
        annotationType = annotationType.equals("") ? null : ClassUtil.internalType(annotationType);

        if (name.equals("") ||
            name.equals("*"))
        {
            name = null;
        }

        if (type.equals("") ||
            type.equals("*"))
        {
            type = null;
        }

        if (name != null ||
            type != null)
        {
            if (isField)
            {
                if (type == null)
                {
                    type = ClassConstants.EXTERNAL_TYPE_INT;
                }

                type = ClassUtil.internalType(type);
            }
            else
            {
                if (type == null)
                {
                    type = ClassConstants.EXTERNAL_TYPE_VOID;
                }

                type = ClassUtil.internalMethodDescriptor(type, ListUtil.commaSeparatedList(arguments));
            }
        }

        MemberSpecification memberSpecification =
            new MemberSpecification(0, 0, annotationType, name, type);

        // Also get the access radio button settings.
        getMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_PUBLIC,       publicRadioButtons);
        getMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_PRIVATE,      privateRadioButtons);
        getMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_PROTECTED,    protectedRadioButtons);
        getMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_STATIC,       staticRadioButtons);
        getMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_FINAL,        finalRadioButtons);
        getMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_VOLATILE,     volatileRadioButtons);
        getMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_TRANSIENT,    transientRadioButtons);
        getMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_SYNCHRONIZED, synchronizedRadioButtons);
        getMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_NATIVE,       nativeRadioButtons);
        getMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_ABSTRACT,     abstractRadioButtons);
        getMemberSpecificationRadioButtons(memberSpecification, ClassConstants.INTERNAL_ACC_STRICT,       strictRadioButtons);

        return memberSpecification;
    }


    /**
     * Shows this dialog. This method only returns when the dialog is closed.
     *
     * @return <code>CANCEL_OPTION</code> or <code>APPROVE_OPTION</code>,
     *         depending on the choice of the user.
     */
    public int showDialog()
    {
        returnValue = CANCEL_OPTION;

        // Open the dialog in the right place, then wait for it to be closed,
        // one way or another.
        pack();
        setLocationRelativeTo(getOwner());
        show();

        return returnValue;
    }


    /**
     * Sets the appropriate radio button of a given triplet, based on the access
     * flags of the given keep option.
     */
    private void setMemberSpecificationRadioButtons(MemberSpecification memberSpecification,
                                                         int            flag,
                                                         JRadioButton[] radioButtons)
    {
        if (radioButtons != null)
        {
            int index = (memberSpecification.requiredSetAccessFlags   & flag) != 0 ? 0 :
                        (memberSpecification.requiredUnsetAccessFlags & flag) != 0 ? 1 :
                                                                                       2;
            radioButtons[index].setSelected(true);
        }
    }


    /**
     * Updates the access flag of the given keep option, based on the given radio
     * button triplet.
     */
    private void getMemberSpecificationRadioButtons(MemberSpecification memberSpecification,
                                                    int                 flag,
                                                    JRadioButton[]      radioButtons)
    {
        if (radioButtons != null)
        {
            if      (radioButtons[0].isSelected())
            {
                memberSpecification.requiredSetAccessFlags   |= flag;
            }
            else if (radioButtons[1].isSelected())
            {
                memberSpecification.requiredUnsetAccessFlags |= flag;
            }
        }
    }
}