termdash/widgets/heatmap/options.go

83 lines
2.0 KiB
Go

// Copyright 2020 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package heatmap
import (
"errors"
"github.com/mum4k/termdash/cell"
)
// options.go contains configurable options for HeatMap.
// Option is used to provide options.
type Option interface {
// set sets the provided option.
set(*options)
}
// options stores the provided options.
type options struct {
// The default value is 3
cellWidth int
xLabelCellOpts []cell.Option
yLabelCellOpts []cell.Option
}
// validate validates the provided options.
func (o *options) validate() error {
return errors.New("not implemented")
}
// newOptions returns a new options instance.
func newOptions(opts ...Option) *options {
opt := &options{
cellWidth: 3,
}
for _, o := range opts {
o.set(opt)
}
return opt
}
// option implements Option.
type option func(*options)
// set implements Option.set.
func (o option) set(opts *options) {
o(opts)
}
// CellWidth set the width of cells (or grids) in the heat map, not the terminal cell.
// The default height of each cell (grid) is 1 and the width is 3.
func CellWidth(w int) Option {
return option(func(opts *options) {
opts.cellWidth = w
})
}
// XLabelCellOpts set the cell options for the labels on the X axis.
func XLabelCellOpts(co ...cell.Option) Option {
return option(func(opts *options) {
opts.xLabelCellOpts = co
})
}
// YLabelCellOpts set the cell options for the labels on the Y axis.
func YLabelCellOpts(co ...cell.Option) Option {
return option(func(opts *options) {
opts.yLabelCellOpts = co
})
}