195 lines
6.8 KiB
Go
195 lines
6.8 KiB
Go
package main
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import (
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"fmt"
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"github.com/egoist/mygo/ui"
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mujica "mujicaui"
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"mujicaui/internal"
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)
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func c2LegendDemo(c *ui.Context, log func(string)) {
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type state struct {
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hidden map[string]bool
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vertical, disabled bool
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max float64
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}
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s := ui.Local(c.Root(), "121", func() state { return state{hidden: map[string]bool{}, max: 3} })
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c1Section(c, "ChartLegend", func() {
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c2Check(c, &s.vertical, "Vertical", log)
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c2Check(c, &s.disabled, "Disabled", log)
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c2Number(c, &s.max, "Max items", 0, 6, 1, log)
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}, func() {
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pal := internal.Palette(mujica.Tokens(c))
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names := []string{"Matins", "Lauds", "Prime", "Terce", "Sext", "None"}
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items := make([]mujica.ChartLegendItem, len(names))
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for i, n := range names {
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items[i] = mujica.ChartLegendItem{Name: n, Color: pal[i], Shape: i % 5}
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}
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ui.Column(c).Disabled(s.disabled).Children(func() {
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r := mujica.ChartLegend(c, &s.hidden, items, mujica.ChartLegendOptions{Vertical: s.vertical, MaxItems: int(s.max)})
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if expanded, ok := r.Expanded(); ok {
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log(fmt.Sprintf("ChartLegend: expanded %v", expanded))
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}
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if n, ok := r.Toggled(); ok {
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log("ChartLegend: toggled " + n)
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}
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})
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ui.Text(c, fmt.Sprintf("Hidden: %v", s.hidden))
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})
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}
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func c2BrushDemo(c *ui.Context, log func(string)) {
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type state struct {
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value [2]float64
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disabled bool
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step float64
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}
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s := ui.Local(c.Root(), "126", func() state { return state{value: [2]float64{20, 60}, step: 1} })
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c1Section(c, "ChartBrush", func() {
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c2Check(c, &s.disabled, "Disabled", log)
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c2Number(c, &s.step, "Step", 1, 10, 1, log)
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}, func() {
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vals := []float64{1, 4, 2, 7, 3, 8, 4, 9}
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r := mujica.ChartBrush(c, &s.value, mujica.ChartBrushOptions{Label: "Months", Max: 100, Step: s.step, Values: vals, Disabled: s.disabled})
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if r.Changed() {
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log(fmt.Sprintf("ChartBrush: range %g–%g", s.value[0], s.value[1]))
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}
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x := mujica.ChartAxis(c, mujica.ChartAxisOptions{Min: s.value[0], Max: s.value[1]})
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y := mujica.ChartAxis(c, mujica.ChartAxisOptions{Side: mujica.SideLeft, Max: 10})
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xs := []float64{0, 15, 30, 45, 60, 75, 90, 100}
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var visible []int
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for i, v := range xs {
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if v >= s.value[0] && v <= s.value[1] {
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visible = append(visible, i)
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}
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}
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plotOf := func(r ui.Rect) ui.Rect { return ui.Rect{X: r.X + 40, Y: r.Y + 8, W: max(1, r.W-60), H: max(1, r.H-40)} }
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at := func(r ui.Rect, i int) (float32, float32) {
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plot := plotOf(r)
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return x.Map(plot, xs[visible[i]]), y.Map(plot, vals[visible[i]])
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}
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c1Log(log, "Zoom preview", mujica.Chart(c, mujica.ChartFrame{Label: "Zoom preview", Height: 140}, mujica.ChartSpec{
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Marks: len(visible), Anchor: at,
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Pick: func(r ui.Rect, px, py float32) int {
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return internal.Nearest(len(visible), func(i int) (float32, float32) { return at(r, i) }, px, py, 24, false)
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},
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Readout: func(i int) string { return fmt.Sprintf("x %g · y %g", xs[visible[i]], vals[visible[i]]) },
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Draw: func(p *ui.Painter, r ui.Rect, active int) {
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plot := plotOf(r)
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x.Draw(p, plot)
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y.Draw(p, plot)
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for i := range visible {
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px, py := at(r, i)
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internal.Marker(p, 0, px, py, 8, mujica.Tokens(c).AccentText)
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}
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},
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}))
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})
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}
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func c2ExportDemo(c *ui.Context, log func(string)) {
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type state struct {
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width, height, scale float64
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disabled bool
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bitmap *ui.Bitmap
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bytes int
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error string
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}
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s := ui.Local(c.Root(), "128", func() state { return state{width: 400, height: 240, scale: 2} })
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c1Section(c, "ChartExport", func() {
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c2Number(c, &s.width, "Width", 200, 600, 50, log)
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c2Number(c, &s.height, "Height", 160, 400, 40, log)
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c2Number(c, &s.scale, "Scale", 1, 3, 0.5, log)
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c2Check(c, &s.disabled, "Disabled", log)
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}, func() {
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if mujica.Button(c, "Export PNG", mujica.ButtonOptions{Disabled: s.disabled}).Clicked() {
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data, err := mujica.ChartExport(c, func(c *ui.Context) {
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mujica.BarChart(c, []string{"Nave", "Choir", "Crypt"}, []mujica.ChartSeries{{Name: "Pews", Values: []float64{3, 5, 2}}}, mujica.BarChartOptions{Frame: mujica.ChartFrame{Label: "Exported chart", Height: float32(s.height) - 80}})
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}, mujica.ChartExportOptions{Width: int(s.width), Height: int(s.height), Scale: float32(s.scale)})
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if err == nil {
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s.bitmap, err = ui.DecodeBitmap(data)
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}
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if err != nil {
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s.error = err.Error()
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log("ChartExport: " + s.error)
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} else {
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s.error = ""
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s.bytes = len(data)
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log(fmt.Sprintf("ChartExport: %d bytes", s.bytes))
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}
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}
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if s.error != "" {
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ui.Text(c, s.error).TextColor(mujica.Tokens(c).Danger).Role(ui.RoleStatus)
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}
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if s.bitmap != nil {
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ui.Image(c, s.bitmap).Size(float32(s.width), float32(s.height))
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ui.Text(c, fmt.Sprintf("PNG: %d bytes", s.bytes))
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}
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})
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}
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func c2SparkBarDemo(c *ui.Context, log func(string)) {
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type state struct {
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status string
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width float64
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disabled bool
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}
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s := ui.Local(c.Root(), "132", func() state { return state{status: "Ready", width: 10} })
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c1Section(c, "SparkBar", func() {
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c2Number(c, &s.width, "Bar width", 2, 20, 1, log)
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c2Check(c, &s.disabled, "Disabled", log)
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}, func() {
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f, show := c2Frame(c, "Alms", &s.status, log)
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vals := []float64{3, -2, 4, 1, -3}
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if !show {
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vals = nil
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}
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ui.Column(c).Disabled(s.disabled).Children(func() {
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c1Log(log, "SparkBar", mujica.SparkBar(c, vals, mujica.SparkBarOptions{Frame: f, BarWidth: float32(s.width)}))
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})
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})
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}
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func c2TrendDemo(c *ui.Context, log func(string)) {
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type state struct {
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change, precision float64
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invert bool
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}
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s := ui.Local(c.Root(), "133", func() state { return state{change: 12.5, precision: 1} })
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c1Section(c, "TrendIndicator", func() {
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c2Number(c, &s.change, "Change", -100, 100, 0.5, log)
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c2Number(c, &s.precision, "Precision", 0, 3, 1, log)
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c2Check(c, &s.invert, "Invert", log)
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}, func() {
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mujica.TrendIndicator(c, s.change, mujica.TrendIndicatorOptions{Precision: int(s.precision), Unit: "%", Note: "vs Lent", Invert: s.invert})
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ui.Row(c).Gap(24).Children(func() {
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mujica.TrendIndicator(c, 3, mujica.TrendIndicatorOptions{})
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mujica.TrendIndicator(c, -3, mujica.TrendIndicatorOptions{})
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mujica.TrendIndicator(c, 0, mujica.TrendIndicatorOptions{})
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})
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})
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}
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func c2EmptyDemo(c *ui.Context, log func(string)) {
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type state struct {
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status string
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height float64
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disabled bool
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}
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s := ui.Local(c.Root(), "140", func() state { return state{status: "Failed", height: 180} })
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c1Section(c, "ChartEmptyState", func() {
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c2Number(c, &s.height, "Height", 160, 320, 40, log)
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c2Check(c, &s.disabled, "Disabled", log)
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}, func() {
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f, _ := c2Frame(c, "ChartEmptyState", &s.status, log)
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ui.Column(c).Disabled(s.disabled).Border(1, mujica.Tokens(c).Border).Children(func() {
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if mujica.ChartEmptyState(c, f.Status, mujica.ChartEmptyStateOptions{Height: float32(s.height), Error: f.Error}).Changed() {
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log("ChartEmptyState: retry")
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s.status = "Loading"
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}
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})
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})
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}
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