|| || || || || || || ||

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TableFilter.h

Go to the documentation of this file.

#ifndef MediaTable_TableFilter_h
#define MediaTable_TableFilter_h

#include "TableFilterUpdateListener.h"

namespace Impala {
namespace Application {
namespace MediaTable {

class TableFilter
{
public:

    TableFilter(TableFilterUpdateListener *source, String column)
    {
        mColumn = column;
        mSource = source;
        mType   = 0;
    }

    void SetTextFilter(String substring)
    {
        if (substring == "")
        {
            Disable(true);
            return;
        }
        ILOG_SYSTEM("SetTextFilter for "<< mColumn << ": " << substring);
        mType = 1;
        mSubstring = substring;
        mSource->ApplyFilters();
    }

    std::string GetTextFilter()
    {
        return mSubstring;
    }

    void SetValueFilter(double value, bool greaterThen=true)
    {
        ILOG_SYSTEM("SetValueFilter: " << value << "(gt=" << greaterThen << ")");
        mType = 2;
        mValue = value;
        mGreaterThen = greaterThen;
        mSource->ApplyFilters();
    }

    void Disable(bool callApply=true)
    {
                ILOG_SYSTEM("Filter for "<< mColumn << " disabled");
        mType = 0;
        if (callApply)
            mSource->ApplyFilters();
    }

    bool IsDisabled()
    {
        return (mType==0);
    }

    bool IsFilteredByText(String data)
    {
        if (mType==1)
            return data.find(mSubstring,0)==String::npos;
        return false;
    }

    bool IsFilteredByValue(double data)
    {
        if (mType==2)
        {
            if (mGreaterThen)
                return data > mValue;
            else
                return data < mValue;
        }
        return false;
    }

    String GetColumn()
    {
        return mColumn;
    }

    int GetType()
    {
        return mType;
    }

private:

    bool                        mGreaterThen;
    int                         mType;
    double                      mValue;     // type 2: lt or gt a value
    String                      mSubstring; // type 1: textual substring search
    String                      mColumn;

    TableFilterUpdateListener*  mSource;

    ILOG_VAR_DEC;
};

ILOG_VAR_INIT(TableFilter, Application.MediaTable);

} // namespace MediaTable
} // namespace Application
} // namespace Impala

#endif // TableFilter_h

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