90 lines
1.7 KiB
Go
90 lines
1.7 KiB
Go
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package cards
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import (
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"fmt"
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"html/template"
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"strings"
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)
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const plotExtraHead = `
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<script src="/static/function-plot.js"></script>
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<style>
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.top-right-legend {
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display: none;
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}
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</style>`
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const plotScript = `
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<div id="plot-content" class="container"></div>
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<script>
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plotFn = () => functionPlot({
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target: '#plot-content',
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grid: true,
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width: document.getElementById('plot-content').offsetWidth,
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data: [{
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fn: '%s'
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}]
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})
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new ResizeObserver(plotFn).observe(document.getElementById('plot-content'))
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</script>`
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func init() {
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// Register plot card
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Register("plot", 2, NewPlotCard)
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}
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// PlotCard represents a card with an equation plot
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type PlotCard struct {
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query string
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}
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// NewPlotCard is a NewCardFunc that creates a new PlotCard
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func NewPlotCard(query, _ string) Card {
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return &PlotCard{query: query}
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}
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func (pc *PlotCard) Matches() bool {
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return strings.HasPrefix(pc.query, "plot") ||
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strings.HasPrefix(pc.query, "graph") ||
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strings.HasPrefix(pc.query, "draw")
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}
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func (pc *PlotCard) StripKey() string {
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query := strings.TrimPrefix(pc.query, "plot")
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query = strings.TrimPrefix(query, "graph")
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query = strings.TrimPrefix(query, "draw")
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return strings.TrimSpace(query)
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}
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func (pc *PlotCard) Content() template.HTML {
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return template.HTML(fmt.Sprintf(
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plotScript,
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pc.StripKey(),
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))
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}
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// Since this card is frontend, this cannot be checked.
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// Therefore, it will always return true.
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func (pc *PlotCard) Returned() bool {
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return true
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}
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func (pc *PlotCard) Title() string {
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return "Plot (" + pc.StripKey() + ")"
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}
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func (pc *PlotCard) Head() template.HTML {
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return plotExtraHead
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}
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func (pc *PlotCard) Footer() template.HTML {
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return ""
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}
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func (pc *PlotCard) RunQuery() error {
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return nil
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}
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