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1 #pragma once
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2
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3 namespace fb2k {
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4 //! Declares a column to be made available in Default UI playlist view, \n
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5 //! without user having to manually enter title formatting patterns.
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6 class playlistColumnProvider : public service_base {
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7 FB2K_MAKE_SERVICE_INTERFACE_ENTRYPOINT(playlistColumnProvider);
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8 public:
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9 //! Number of columns published by this object.
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10 virtual size_t numColumns() = 0;
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11 //! Unique identifier of a column.
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12 virtual GUID columnID(size_t col) = 0;
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13 //! Formatting pattern used for displaying a column.
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14 virtual fb2k::stringRef columnFormatSpec(size_t col) = 0;
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15 //! Optional; sorting pattern used for this column. Return null to use display pattern for sorting.
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16 virtual fb2k::stringRef columnSortScript(size_t col) = 0;
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17 //! Name of the column shown to the user.
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18 virtual fb2k::stringRef columnName(size_t col) = 0;
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19 //! Display flags (alignment). \n
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20 //! See flag_* constants.
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21 virtual unsigned columnFlags(size_t col) = 0;
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22
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23 static constexpr unsigned
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24 flag_alignLeft = 0, flag_alignRight = 1 << 0, flag_alignCenter = 1 << 1, // alignment
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25 flag_numeric = 1 << 2, // prefer fixed width font, not all renderers support this
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26 flag_positionDependant = 1 << 3, // value changes with position in playlist, mainly used by list index etc
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27 flag_glyphs = 1 << 4; // internal/reserved
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28 static constexpr unsigned flag_alignMask = (flag_alignLeft|flag_alignRight|flag_alignCenter);
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29 };
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30 }
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