/*
 * Copyright (c) 2006, Ken McDonell.  All Rights Reserved.
 * Copyright (c) 2007, Aconex.  All Rights Reserved.
 * 
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 * 
 * This program 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
 * for more details.
 */
#ifndef NAMESPACE_H
#define NAMESPACE_H

#include <QtCore/QString>
#include <QtGui/QTreeWidget>
#include <QtGui/QTreeWidgetItem>
#include <pcp/pmapi.h>

class Chart;
class QmcContext;

class NameSpace : public QTreeWidgetItem
{
public:
    typedef enum {
	NoType,
	ChildMinder,
	ArchiveRoot,
	LocalRoot,
	HostRoot,
	NonLeafName,
	LeafNullIndom,
	LeafWithIndom,
	InstanceName,
    } Type;

    NameSpace(QTreeWidget *, const QmcContext *);	// for root nodes only
    NameSpace(NameSpace *, const QString &, bool);	// for all other nodes

    QString text(int) const;
    QIcon icon(int) const;
    void setIcon(int, const QIcon &);
    void expand() { my.expanded = true; }
    void setExpanded(bool expanded, bool show);

    pmDesc desc() const { return my.desc; }
    int sourceType();
    QString sourceName();
    QString metricName();
    QString metricInstance();
    QmcContext *metricContext() { return my.context; }

    void setType(Type type) { my.type = type; }
    bool isRoot() { return my.type == HostRoot ||
				my.type == LocalRoot ||
				my.type == ArchiveRoot; }
    bool isLeaf() { return my.type == InstanceName ||
				my.type == LeafNullIndom; }
    bool isMetric() { return my.type == LeafWithIndom ||
				my.type == LeafNullIndom; }
    bool isNonLeaf() { return my.type == HostRoot ||
				my.type == LocalRoot ||
				my.type == ArchiveRoot ||
				my.type == NonLeafName; }
    bool isInst() { return my.type == InstanceName; }
    bool isChildMinder() { return my.type == ChildMinder; }

    void addToTree(QTreeWidget *, QString, int *); // add leaf node to Selected
    void removeFromTree(QTreeWidget *);	// remove leaf nodes from Selected set

    QColor currentColor() { return my.current; }
    void setCurrentColor(QColor, QTreeWidget *);
    QColor originalColor() { return my.original; }
    void setOriginalColor(QColor original) { my.original = original; }

    QString label() const { return my.label; }
    void setLabel(const QString &label) { my.label = label; }

    void setSelectable(bool selectable);
    void setExpandable(bool expandable);
    void setFailed(bool failed);

private:
    void expandMetricNames(QString, bool);
    void expandInstanceNames(bool);
    QString sourceTip();

    bool cmp(NameSpace *);
    NameSpace *dup(QTreeWidget *);	// copies the root node in addToTree
    NameSpace *dup(QTreeWidget *, NameSpace *, QString, int *);	// all other nodes

    struct {
	bool expanded;		// pmGet{ChildrenStatus,Indom} done
	pmDesc desc;		// metric descriptor for metric leaves
	QmcContext *context;	// metrics class metric context
	QIcon icon;
	QColor current;		// color we'll use if OK'd
	QColor original;	// color we started with
	QString basename;
	QString label;		// proxy (live), host (archive), legend label
	NameSpace *back;
	NameSpace::Type type;
    } my;
};

#endif	// NAMESPACE_H