/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2003 Sun
 * Microsystems, Inc. All Rights Reserved.
 */
package org.netbeans.modules.refactoring.ui;

import java.lang.reflect.Modifier;
import java.text.MessageFormat;
import java.util.ResourceBundle;
import javax.jmi.reflect.RefObject;
import org.netbeans.modules.refactoring.api.RenameRefactoring;
import org.netbeans.modules.refactoring.api.WhereUsedQuery;
import org.netbeans.modules.refactoring.api.ui.RefactoringUI;
import org.netbeans.jmi.javamodel.*;
import org.openide.util.HelpCtx;
import org.openide.util.NbBundle;

/**
 *
 * @author Martin Matula
 */
public class WhereUsedQueryUI implements RefactoringUI {
    private final WhereUsedQuery query;
    private final String name;
    private WhereUsedPanel panel;
    private final RefObject element;

    public WhereUsedQueryUI(RefObject jmiObject) {
        this.query = new WhereUsedQuery(jmiObject);
        this.element = jmiObject;
        if (jmiObject instanceof Constructor) {
            name = ((JavaClass) ((Constructor) jmiObject).getDeclaringClass()).getName();
        } else if (jmiObject instanceof NamedElement) {
            name = ((NamedElement) jmiObject).getName();
        } else {
            name = "";
        }
    }

    public boolean isQuery() {
        return true;
    }

    public javax.swing.JPanel getPanel(org.netbeans.modules.refactoring.api.ui.ParametersPanel parent) {
        if (panel == null) {
            panel = new WhereUsedPanel(name, element, parent);
        }
        return panel;
    }

    public org.netbeans.modules.refactoring.api.Problem setParameters() {
        if (element instanceof Method) {
            return query.setParametersForMethod(panel.isMethodFromBaseClass(), panel.isMethodOverriders(), panel.isMethodFindUsages());
        } else if (element instanceof JavaClass) {
            return query.setParametersForClass(panel.isClassSubTypes(), panel.isClassSubTypesDirectOnly());
        } else
            return null;
    }
    
    public org.netbeans.modules.refactoring.api.Problem checkParameters() {
        if (element instanceof Method) {
            return query.checkParametersForMethod(panel.isMethodFromBaseClass(), panel.isMethodOverriders(), panel.isMethodFindUsages());
        } else if (element instanceof JavaClass) {
            return query.checkParametersForClass(panel.isClassSubTypes(), panel.isClassSubTypesDirectOnly());
        } else
            return null;
    }

    public org.netbeans.modules.refactoring.api.AbstractRefactoring getRefactoring() {
        return query;
    }

    public String getDescription() {
        if (element instanceof JavaClass) {
            if (!panel.isClassFindUsages())
                    if (!panel.isClassSubTypesDirectOnly()) {
                        return getString("DSC_WhereUsedFindAllSubTypes", name);
                    } else {
                        return getString("DSC_WhereUsedFindDirectSubTypes", name);
                }
        } else {
            if (element instanceof Method) {
                String description = null;
                if (panel.isMethodFindUsages()) {
                    description = getString("DSC_FindUsages");
                }
                
                if (panel.isMethodOverriders()) {
                    if (description != null) {
                        description += " " + getString("DSC_And") + " ";
                    } else {
                        description = "";
                    }
                    description += getString("DSC_WhereUsedMethodOverriders");
                }
                
                if (panel.isMethodFromBaseClass()) {
                    description += " " + getString("DSC_And") + " " + getString("DSC_WhereUsedFromBaseClass");
                }
                
                description += " " + getString("DSC_WhereUsedOf", name);
                return description;
            }
        }
        return getString("DSC_WhereUsed", name);
    }
    
    private ResourceBundle bundle;
    private String getString(String key) {
        if (bundle == null) {
            bundle = NbBundle.getBundle(WhereUsedQueryUI.class);
        }
        return bundle.getString(key);
    }
    
    private String getString(String key, String value) {
        return new MessageFormat(getString(key)).format (new Object[] {value});
    }


    public String getName() {
        return new MessageFormat(NbBundle.getMessage(WhereUsedAction.class, "LBL_WhereUsed")).format (
                    new Object[] {name}
                );
    }
    
    public boolean hasParameters() {
        if (element instanceof JavaClass)
            return true;
        if (element instanceof Method) {
            return !Modifier.isStatic(((Method) element).getModifiers());
        }
        return false;    
    }

    public HelpCtx getHelpCtx() {
        return new HelpCtx(WhereUsedQueryUI.class);
    }
    
}