/*
 *                 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.xml.tree.settings;

import org.openide.ServiceType;
import org.openide.options.SystemOption;
import org.openide.util.SharedClassObject;
import org.openide.util.io.ReaderInputStream;
import org.openide.util.HelpCtx;


/** Settings for xml module
 *
 * @author  Libor Kramolis
 * @version 0.2
 */
public class TreeEditSettings extends SystemOption {
    /** Serial Version UID */
    private static final long serialVersionUID = -8031512797757618911L;


    /** */
    private static TreeEditSettings defaultSettings = null;

    /** */
    public static final String PROP_PRINTABLE_VALUE_LENGTH = "printableValueLength"; // NOI18N
    /** */
    private static int printableValueLength = 33;

    /** */
    public static final String PROP_TREE_EXPANSION_LEVEL = "treeExpansionLevel"; // NOI18N       
    /** */
    private static int treeExpansionLevel = Integer.parseInt(Util.THIS.getString("PROP_TREE_EXPANSION_DEFAULT")); // NOI18N
    
    /** */
    public static final String PROP_DEFAULT_NODE_VIEW_TYPE = "defaultNodeViewType"; // NOI18N
    /** */
    private static ServiceType.Handle defaultNodeViewTypeHandler;
    
    /** */
    public static final String PROP_SHOW_ATTRIBUTE_NODES = "showAttributeNodes"; // NOI18N
    /** */
    private static boolean showAttributeNodes = Boolean.valueOf(Util.THIS.getString("PROP_SHOW_ATTRIBUTE_NODES_DEFAULT")).booleanValue(); // NOI18N;
    

    //
    // init
    //
    
    /** */
    public static TreeEditSettings getDefault () {
        if (defaultSettings == null)
            defaultSettings = (TreeEditSettings) SharedClassObject.findObject (TreeEditSettings.class, true);
        return defaultSettings;
    }


    //
    // itself
    //

    /** If true then external execution is used */
    public String displayName () {
        if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("TreeEditSettings::displayName"); // NOI18N

        return Util.THIS.getString ("CTL_XML_option");
    }
    

    //
    // Printable Value Length
    //

    /**
     */
    public int getPrintableValueLength () {
        if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("TreeEditSettings::getPrintableValueLength: " + printableValueLength); // NOI18N

        return printableValueLength;
    }

    /**
     */
    public void setPrintableValueLength (int printableValueLength) {
        if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("TreeEditSettings::setPrintableValueLength: " + printableValueLength); // NOI18N

        if ( printableValueLength < 0 ) {
//             throw new IllegalArgumentException(); // http://www.netbeans.org/issues/show_bug.cgi?id=23707
            return; // ignore wrong values
        }

        int oldPrintableValueLength = this.printableValueLength;
        this.printableValueLength = printableValueLength;
        firePropertyChange (PROP_PRINTABLE_VALUE_LENGTH, new Integer (oldPrintableValueLength), new Integer (this.printableValueLength));
    }
        
    
    //
    // Node View Type settings
    //

    /**
     */
    private NodeViewType initDefaultNodeViewTypeHandler () {
//          NodeViewType nodeViewType = (NodeViewType) TopManager.getDefault().getServices().find (NodeViewType.class);
        NodeViewType nodeViewType = NodeViewType.getValid (new NodeViewType());
        if ( nodeViewType != null ) {
            defaultNodeViewTypeHandler = new ServiceType.Handle (nodeViewType);
        }
        return nodeViewType;
    }

    /**
     */
    public NodeViewType getDefaultNodeViewType () {
        if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("\n??? TreeEditSettings::getDefaultNodeViewType: " + defaultNodeViewTypeHandler); // NOI18N

        NodeViewType nodeViewType;

        if ( defaultNodeViewTypeHandler == null ) {
            nodeViewType = initDefaultNodeViewTypeHandler();
        } else {
            nodeViewType = (NodeViewType)defaultNodeViewTypeHandler.getServiceType();
            if (!!! NodeViewType.isValid (nodeViewType)) {
                nodeViewType = initDefaultNodeViewTypeHandler();
            }
        }

        if ( nodeViewType == null ) {
            nodeViewType = new NodeViewType();
        }

        if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("???            ::getDefaultNodeViewType: RETURN.name " + nodeViewType.getName()); // NOI18N
        if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("???            ::getDefaultNodeViewType: RETURN " + nodeViewType); // NOI18N

        return nodeViewType;
    }

    /**
     */
    public void setDefaultNodeViewType (NodeViewType nodeView) {
        if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("TreeEditSettings::setDefaultNodeViewType: " + nodeView); // NOI18N

        NodeViewType oldNodeView = null;
        if ( defaultNodeViewTypeHandler != null ) {
            oldNodeView = (NodeViewType)defaultNodeViewTypeHandler.getServiceType();
        }
        defaultNodeViewTypeHandler = new ServiceType.Handle (nodeView);
        firePropertyChange (PROP_DEFAULT_NODE_VIEW_TYPE, oldNodeView, nodeView);
    }
    
    public HelpCtx getHelpCtx() {
        return new HelpCtx(TreeEditSettings.class);
    }

    /**
     */
    public int getTreeExpansionLevel () {
        if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("TreeEditSettings::getTreeExpansionLevel: " + treeExpansionLevel); // NOI18N
        return treeExpansionLevel;
    }
    /**
     */
    public void setTreeExpansionLevel (int newExpansionLevel) {
        if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("TreeEditSettings::setTreeExpansionLevel: " + newExpansionLevel); // NOI18N
        if ( newExpansionLevel < 0 ) {
            // throw new IllegalArgumentException(); // http://www.netbeans.org/issues/show_bug.cgi?id=23707
            return; // ignore wrong values
        }
        int oldExpansionLevel = this.treeExpansionLevel;
        this.treeExpansionLevel = newExpansionLevel;
        firePropertyChange (PROP_TREE_EXPANSION_LEVEL, new Integer (oldExpansionLevel), new Integer (this.treeExpansionLevel));
    }

    /**
     */
    public boolean getShowAttributeNodes () {
        if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("TreeEditSettings::getShowAttributeNodes: " + showAttributeNodes); // NOI18N
        return showAttributeNodes;
    }
    /**
     */
    public void setShowAttributeNodes (boolean newSetting) {
        if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("TreeEditSettings::setShowAttributeNodes: " + newSetting); // NOI18N
        boolean oldSetting = this.showAttributeNodes;
        this.showAttributeNodes = newSetting;
        firePropertyChange ( PROP_SHOW_ATTRIBUTE_NODES, 
                oldSetting ? Boolean.TRUE : Boolean.FALSE, 
                newSetting ? Boolean.TRUE : Boolean.FALSE );
    }
}