/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package sun.tools.jconsole.inspector;

// java import

import java.awt.*;

import java.awt.event.*;

import java.awt.dnd.*;

import java.lang.reflect.*;

import java.io.*;

//

// swing import

import javax.swing.border.*;

import javax.swing.event.*;

import javax.swing.*;

//

// jmx import

import javax.management.*;

//

@SuppressWarnings("serial")

public class OperationEntry extends JPanel {

    private MBeanOperationInfo operation;

    private JComboBox sigs;

    private Dimension preferredSize;

    private XTextField inputs[];

    public OperationEntry (MBeanOperationInfo operation,

                           boolean isCallable,

                           JButton button,

                           XOperations xoperations) {

        super(new BorderLayout());

        this.operation = operation;

        setLayout(new FlowLayout(FlowLayout.LEFT));

        setPanel(isCallable, button, xoperations);

    }

    /**

     * This method chops off the throws exceptions, removes "java.lang".

     */

    private String preProcessSignature(String signature) {

        int index;

        if ((index=signature.indexOf(" throws"))>0) {

            signature = signature.substring(0,index);

        }

        while ((index = signature.indexOf("java.lang."))>0) {

            signature = signature.substring(0,index)+

                signature.substring(index+10,signature.length());

        }

        return signature;

    }

    private void setPanel(boolean isCallable,

                          JButton button,

                          XOperations xoperations) {

        try {

            String defaultVal;

            MBeanParameterInfo params[] = operation.getSignature();

            add(new JLabel("(",JLabel.CENTER));

            inputs = new XTextField[params.length];

            for (int i = 0; i < params.length; i++) {

                if(params[i].getName() != null) {

                    JLabel name =

                        new JLabel(params[i].getName(), JLabel.CENTER);

                    name.setToolTipText(params[i].getDescription());

                    add(name);

                }

                String defaultTextValue =

                    Utils.getDefaultValue(params[i].getType());

                int fieldWidth = defaultTextValue.length();

                if (fieldWidth > 15) fieldWidth = 15;

                else

                    if (fieldWidth < 10) fieldWidth = 10;

                add(inputs[i] =

                        new XTextField(Utils.getReadableClassName(defaultTextValue),

                        Utils.getClass(params[i].getType()),

                        fieldWidth,

                        isCallable,

                        button,

                        xoperations));

                inputs[i].setHorizontalAlignment(SwingConstants.CENTER);

                if (i < params.length-1)

                    add(new JLabel(",",JLabel.CENTER));

            }

            add(new JLabel(")",JLabel.CENTER));

            validate();

            doLayout();

        }

        catch (Exception e) {

            System.out.println("Error setting Operation panel :"+

                               e.getMessage());

        }

    }

    public String[] getSignature() {

        MBeanParameterInfo params[] = operation.getSignature();

        String result[] = new String[params.length];

        for (int i = 0; i < params.length; i++) {

            result[i] = params[i].getType();

        }

        return result;

    }

    public Object[] getParameters() throws Exception {

        MBeanParameterInfo params[] = operation.getSignature();

        String signature[] = new String[params.length];

        for (int i = 0; i < params.length; i++)

        signature[i] = params[i].getType();

        return Utils.getParameters(inputs,signature);

    }

    public String getReturnType() {

        return operation.getReturnType();

    }

}