/*
 * iReport - Visual Designer for JasperReports.
 * Copyright (C) 2002 - 2009 Jaspersoft Corporation. All rights reserved.
 * http://www.jaspersoft.com
 *
 * Unless you have purchased a commercial license agreement from Jaspersoft,
 * the following license terms apply:
 *
 * This program is part of iReport.
 *
 * iReport is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * iReport 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with iReport. If not, see <http://www.gnu.org/licenses/>.
 */
package com.jaspersoft.ireport.designer.sheet.editors;

import java.beans.FeatureDescriptor;
import java.beans.PropertyEditorSupport;
import org.openide.explorer.propertysheet.ExPropertyEditor;
import org.openide.explorer.propertysheet.PropertyEnv;
import org.openide.nodes.Node;

import java.beans.PropertyEditorSupport;

// bugfix# 9219 for attachEnv() method
import org.openide.explorer.propertysheet.ExPropertyEditor;
import org.openide.explorer.propertysheet.PropertyEnv;
import java.beans.FeatureDescriptor;
import org.openide.nodes.Node;


/** A property editor for String class.
 * @author   Ian Formanek
 * @version  1.00, 18 Sep, 1998
 */
public class ExpressionPropertyEditor extends PropertyEditorSupport implements ExPropertyEditor
{
    private static boolean useRaw = Boolean.getBoolean("netbeans.stringEditor.useRawCharacters");
    // bugfix# 9219 added editable field and isEditable() "getter" to be used in StringCustomEditor
    private boolean editable=true;   
    /** gets information if the text in editor should be editable or not */
    
    public boolean isEditable(){
        return false;
    }
                
    /** sets new value */
    public void setAsText(String s) {
        if ( "null".equals( s ) && getValue() == null ) // NOI18N
            return;
        setValue(s);
    }

    public String getJavaInitializationString () {
        String s = (String) getValue ();
        return "\"" + toAscii(s) + "\""; // NOI18N
    }

    public boolean supportsCustomEditor () {
        return customEd;
    }

    public java.awt.Component getCustomEditor () {
        Object val = getValue();
        String s = ""; // NOI18N
        if (val != null) {
            s = val instanceof String ? (String) val : val.toString();
        }
        
        return new ExpressionPropertyCustomEditor(s, isEditable(), false, null, this, env); // NOI18N
    }

    private static String toAscii(String str) {
        StringBuffer buf = new StringBuffer(str.length() * 6); // x -> \u1234
        char[] chars = str.toCharArray();
        for (int i = 0; i < chars.length; i++) {
            char c = chars[i];
            switch (c) {
            case '\b': buf.append("\\b"); break; // NOI18N
            case '\t': buf.append("\\t"); break; // NOI18N
            case '\n': buf.append("\\n"); break; // NOI18N
            case '\f': buf.append("\\f"); break; // NOI18N
            case '\r': buf.append("\\r"); break; // NOI18N
            case '\"': buf.append("\\\""); break; // NOI18N
                //        case '\'': buf.append("\\'"); break; // NOI18N
            case '\\': buf.append("\\\\"); break; // NOI18N
            default:
                if (c >= 0x0020 && (useRaw || c <= 0x007f))
                    buf.append(c);
                else {
                    buf.append("\\u"); // NOI18N
                    String hex = Integer.toHexString(c);
                    for (int j = 0; j < 4 - hex.length(); j++)
                        buf.append('0');
                    buf.append(hex);
                }
            }
        }
        return buf.toString();
    }
    
    //private String instructions=null;
    //private boolean oneline=false;
    private boolean customEd=true;
    private PropertyEnv env;

    // bugfix# 9219 added attachEnv() method checking if the user canWrite in text box 
    public void attachEnv(PropertyEnv env) {

        FeatureDescriptor desc = env.getFeatureDescriptor();
        if (desc instanceof Node.Property){
            Node.Property prop = (Node.Property)desc;
            editable = prop.canWrite();
            //enh 29294 - support one-line editor & suppression of custom
            //editor
            //instructions = (String) prop.getValue ("instructions"); //NOI18N
            //oneline = Boolean.TRUE.equals (prop.getValue ("oneline")); //NOI18N
            customEd = !Boolean.TRUE.equals (prop.getValue ("suppressCustomEditor")); //NOI18N
        }
        this.env = env;
    }
}

