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#![allow(dead_code)] pub const DEFAULT_COLSPAN: usize = 1; pub const DEFAULT_H_ALIGN: HAlign = HAlign::Left; pub const DEFAULT_V_ALIGN: VAlign = VAlign::Top; pub const DEFAULT_BLANK_CHAR: char = '\x20'; /// Horizontal alignments for a cell. #[derive(Clone, Copy)] pub enum HAlign { /// Left align contents of the cell. (default) Left, /// Right align contents of the cell Right, /// Center align contents of the cell Center, /// Fills the entire width of the cell with repeating the content. Fill, } /// Vertical alignments for a cell. #[derive(Clone, Copy)] pub enum VAlign { /// Top align contents of the cell. (default) Top, /// Bottom align contents of the cell Bottom, /// Middle align contents of the cell Middle, } /// Data type that represents options for a cell and its content. pub struct Cell { /// The content of the cell. It can be a multi line string or even a nested [`Grid`]. /// /// [`Grid`]: struct.Grid.html pub content: String, /// Number of columns that this cell will be spreads out into. /// If `None` specified, the value [`col_span`] of the grid will /// be used. If [`col_span`] of the grid also is `None`, value 1 /// will be used. /// /// [`col_span`]: struct.Options.html#structfield.col_span /// /// # Panics /// /// Panics if `0` is specified. pub col_span: Option<usize>, /// Align content of the cell horizontally. If `None` specified, /// the value [`h_align`] of the grid will be used. If [`h_align`] /// of the grid also is `None`, [`HAlign::Left`] will be used. /// /// [`h_align`]: struct.Options.html#structfield.h_align /// [`HAlign::Left`]: enum.HAlign.html#variant.Left pub h_align: Option<HAlign>, /// Align content of the cell vertically. If `None` specified, /// the value [`v_align`] of the grid will be used. If [`v_align`] /// of the grid also is `None`, [`VAlign::Top`] will be used. /// /// [`v_align`]: struct.Options.html#structfield.v_align /// [`VAlign::Top`]: enum.VAlign.html#variant.Top pub v_align: Option<VAlign>, /// Fill cell padding spaces by this char value. If `None` specified, /// the value [`blank_char`] of the grid will be used. If [`blank_char`] /// of the grid also is `None`, white space char (`'\x20'`) will be used. /// /// [`blank_char`]: struct.Options.html#structfield.blank_char pub blank_char: Option<char>, } impl Cell { /// Create a new [`Cell`] by its `content` and [`col_span`] properties. /// To specify other properties, use the [`builder`] method instead. /// /// [`Cell`]: struct.Cell.html /// [`col_span`]: struct.Cell.html#structfield.col_span /// [`builder`]: struct.Cell.html#method.builder pub fn new(content: String, col_span: usize) -> Self { if col_span == 0 { panic!("Column span cannot be 0"); } Self { content, col_span: Some(col_span), h_align: None, v_align: None, blank_char: None, } } /// Creates a [`Cell`] with the specified [`col_span`]. /// The entire width of the cell will be filled by repeating the content. /// /// [`Cell`]: struct.Cell.html /// [`col_span`]: struct.Cell.html#structfield.col_span pub fn new_fill(content: String, col_span: usize) -> Self { Cell::builder(content, col_span).h_align(HAlign::Fill).build() } /// Creates an empty [`Cell`] with the specified [`col_span`]. /// To specify other properties, use the [`builder`] method instead. /// /// [`Cell`]: struct.Cell.html /// [`col_span`]: struct.Cell.html#structfield.col_span /// [`builder`]: struct.Cell.html#method.builder pub fn new_empty(col_span: usize) -> Self { Cell::new("".into(), col_span) } /// Creates a [`CellBuilder`] initiated with `content` and [`col_span`] properties. /// To build the final [`CellBuilder`] call the [`build`] method. /// /// [`CellBuilder`]: struct.CellBuilder.html /// [`col_span`]: struct.Cell.html#structfield.col_span /// [`build`]: struct.CellBuilder.html#method.build pub fn builder(content: String, col_span: usize) -> CellBuilder { CellBuilder { inner: Cell::new(content, col_span), } } } /// Builder for the [`Cell`] type. /// /// [`Cell`]: struct.CEll.html pub struct CellBuilder { inner: Cell, } impl CellBuilder { /// Builds a [`Cell`] from a [`CellBuilder`]. /// /// [`Cell`]: struct.Cell.html /// [`CellBuilder`]: struct.CellBuilder.html pub fn build(self) -> Cell { self.inner } /// Sets the content of the cell. It can be a multi line string or even a nested [`Grid`]. /// To build the final [`Cell`] type, [`build`] method must be called. /// /// [`Grid`]: struct.Grid.html /// [`Cell`]: struct.Cell.html /// [`build`]: struct.CellBuilder.html#method.build pub fn content(mut self, content: String) -> Self { self.inner.content = content; self } /// Sets the column span of the cell /// To build the final [`Cell`] type, [`build`] method must be called. /// /// [`Cell`]: struct.Cell.html /// [`build`]: struct.CellBuilder.html#method.build pub fn col_span(mut self, col_span: usize) -> Self { self.inner.col_span = Some(col_span); self } /// Sets the horizontal alignment of the cell. /// To build the final [`Cell`] type, [`build`] method must be called. /// /// [`Cell`]: struct.Cell.html /// [`build`]: struct.CellBuilder.html#method.build pub fn h_align(mut self, h_align: HAlign) -> Self { self.inner.h_align = Some(h_align); self } /// Sets the vertical alignment of the cell. /// To build the final [`Cell`] type, [`build`] method must be called. /// /// [`Cell`]: struct.Cell.html /// [`build`]: struct.CellBuilder.html#method.build pub fn v_align(mut self, v_align: VAlign) -> Self { self.inner.v_align = Some(v_align); self } /// Sets the blank char as the cell padding space char. /// To build the final [`Cell`] type, [`build`] method must be called. /// /// [`Cell`]: struct.Cell.html /// [`build`]: struct.CellBuilder.html#method.build pub fn blank_char(mut self, blank_char: char) -> Self { self.inner.blank_char = Some(blank_char); self } }