/*
 * QtColorSchemeComboBox.h
 *
 *  Created on: 2013-5-27
 *      Author: long
 */

#ifndef QtColorSchemeComboBox_H_
#define QtColorSchemeComboBox_H_
#include "qtpropertybrowser.h"
// #include "PaiColorPub.h"
#include "qtComboBox.h"
#include <QSharedMemory>

const QString gOrignizationName="PI PlatForm";
const QString gSchemeNumKey="Scheme Color Number";
const QString gOneSchemeNameKey="Custom ";
const QString gOneSchemeControlColorNumKey="Control colornum";
const QString gOneSchemeColorKey="color";

#define PAITOTALCOLOR_MIN 2			// 最小总颜色数目
#define PAITOTALCOLOR_MAX 65		// 最大总颜色数目
#define SECTIONVIEW_NUM 255

struct Qt_ColorItem
{
    QRgb color;			// 颜色值
    float fromValue;		// 对应的振幅开始值
    float toValue;			// 对应的振幅的结束值
    char strComments[64];	// 描述信息
};
class QtColorItem
{
public:
    QtColorItem()
    {
        color=QColor(0,0,0);
        fromValue=toValue=0;
        strComments="";
    }
    QtColorItem(const QColor &color,float value=0)
    {
        this->color=color;
        this->fromValue=this->toValue=value;
        strComments="";
    }

    QtColorItem(const QtColorItem &other)
    {
        color=other.color;
        fromValue=other.fromValue;
        toValue=other.toValue;
        strComments=other.strComments;
    }

    QtColorItem & operator=(const QtColorItem  &other)
    {
        color=other.color;
        fromValue=other.fromValue;
        toValue=other.toValue;
        strComments=other.strComments;
        return *this;
    }
    QColor color;			// 颜色值
    float fromValue;		// 对应的振幅开始值
    float toValue;			// 对应的振幅的结束值
    QString strComments;	// 描述信息
};

/**
 * @class QtSchemeColor
 * @brief 描述一种颜色方案
 */

struct QtScheme_Color
{
    char schemeName[64];
    int size;
    struct Qt_ColorItem colorList[256];
    bool isDirty;
    bool isCustom;
    int currentIndex;	// 当前编辑的位置
};
class QtSchemeColor
{
public:
    QtSchemeColor()
    {
        schemeName="";
        colorList.clear();
        isDirty=isCustom=false;
        currentIndex=0;
    }

    QtSchemeColor(const QtSchemeColor &other)
    {
        schemeName=other.schemeName;
        colorList=other.colorList;
        isDirty=other.isDirty;
        isCustom=other.isCustom;
        currentIndex=other.currentIndex;
    }


    QtSchemeColor & operator=(const QtSchemeColor  &other)
    {
        schemeName=other.schemeName;
        colorList=other.colorList;
        isDirty=other.isDirty;
        isCustom=other.isCustom;
        currentIndex=other.currentIndex;
        return *this;
    }


    QString schemeName;
    QVector<QtColorItem> colorList;
    bool isDirty;
    bool isCustom;
    int currentIndex;	// 当前编辑的位置
};


class QTPROPERTYBROWSER_EXPORT QtColorTableData
{
public:
    enum
    {
        MAXCUSTOM_SCHEME=12	// 允许的最大颜色自定义方案
    };

    /**
     * @brief 构造函数
     * @param moduleName 模块名称
     * @param inopSystemColor是否将读取的缺省颜色插值为65中
     */
    QtColorTableData(const QString &moduleName,bool inopSystemColor)
    {
        m_isSettingSysColor=false;
        m_systemShcemeNum=0;
        m_flMinVal=-1000;
        m_flMaxVal=1000;
        m_modulName=moduleName;
        m_polatationSystemColor=inopSystemColor;
        LoadScheme();
    }

    static QtColorTableData* getInstance();

    /**
     * @brief 加载已经存在的颜色方案
     */
    bool LoadScheme(bool IsReLoad=false);

    /*
     * @brief 获取颜色方案列表
     * @warning 下一部准备实现不同模块的系统保留和自定义方案
     */
    QList<QtSchemeColor > &GetSchemeList()
    {
        return m_colorSchemeList;
    }

    /**
     * @brief 改变当前颜色方案的颜色数
     */
    bool ChangeColorNum(int colorNum);
    /**
     * @brief 获取当前颜色方案的RGB值
     * @param colornum 需要返回的颜色数目，如果为0按照实际的颜色数目返回
     */
    QList<QRgb> GetRgb(int colornum=0) const;

    void ChangeDataRange(QtSchemeColor *scheme);

    void ReadSettings();

    /*
     * @brief 设置当前的颜色方案序号
     *
     */
    void SetCurrentSchemeIndex(int nIndex);

    /**
     * @brief 获取当前的颜色方案
     */
    QtSchemeColor* CurrentScheme()
    {
        if(m_currentSchemIndex==-1)
            return NULL;
        return &m_colorSchemeList[m_currentSchemIndex];
    }
private:
    void FreeColorScheme();

    // 是否设置系统缺省颜色
    bool m_isSettingSysColor;
    // 当前所有的颜色方案,包括系统方案，自定义方案
    QList<QtSchemeColor> m_colorSchemeList;

    // 备份的颜色方案
    QList<QtSchemeColor> m_systemSchemeList;

    QString m_modulName;	// 用于保存参数的组织和模块名
    int m_currentSchemIndex;	// 当前正在使用的颜色方案
    int m_systemShcemeNum;		// 系统缺省的颜色方案数目
    bool m_polatationSystemColor;

    // 设置数据的最小和最大范围
    float m_flMinVal,m_flMaxVal;

    QSharedMemory m_SharedMemory;
};


class QTPROPERTYBROWSER_EXPORT QtColorSchemeComboBox:public QtComboBox
{
public:
    QtColorSchemeComboBox(QWidget *parent=0);
    virtual ~QtColorSchemeComboBox();

    void setSchemeColor(const QList<QtSchemeColor > &schemeList);

    void ShowText(bool showText=true);
private:
    QPixmap getColorLabelPixmap(const QVector<QtColorItem> &colorList,int colorNumber);
    void freeColorScheme();
private:
    bool m_isShowText;
    QList<QtSchemeColor > m_colorSchemeList;
};

#endif /* QtColorSchemeComboBox_H_ */