mirror of https://github.com/anoshenko/rui.git
83 lines
2.5 KiB
Go
83 lines
2.5 KiB
Go
package main
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import (
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"fmt"
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"github.com/anoshenko/rui"
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)
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const imageViewDemoText = `
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GridLayout {
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style = demoPage,
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content = [
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GridLayout {
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cell-height = "auto, 1fr",
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content = [
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TextView {
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id = imageViewInfo,
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},
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ImageView {
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id = imageView1, row = 1, width = 100%, height = 100%, src = "cat.jpg",
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border = _{ style = solid, width = 1px, color = #FF008800 }
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},
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],
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},
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ListLayout {
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style = optionsPanel,
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content = [
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GridLayout {
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style = optionsTable,
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content = [
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TextView { row = 0, text = "Image" },
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DropDownList { row = 0, column = 1, id = imageViewImage, current = 0, items = ["cat.jpg", "winds.png", "gifsInEmail.gif", "mountain.svg"]},
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TextView { row = 1, text = "Fit" },
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DropDownList { row = 1, column = 1, id = imageViewFit, current = 0, items = ["none", "contain", "cover", "fill", "scale-down"]},
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TextView { row = 2, text = "Horizontal align" },
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DropDownList { row = 2, column = 1, id = imageViewHAlign, current = 2, items = ["left", "right", "center"]},
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TextView { row = 3, text = "Vertical align" },
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DropDownList { row = 3, column = 1, id = imageViewVAlign, current = 2, items = ["top", "bottom", "center"]},
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]
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}
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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 createImageViewDemo(session rui.Session) rui.View {
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view := rui.CreateViewFromText(session, imageViewDemoText)
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if view == nil {
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return nil
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}
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rui.Set(view, "imageView1", rui.LoadedEvent, func(imageView rui.ImageView) {
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w, h := imageView.NaturalSize()
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rui.Set(view, "imageViewInfo", rui.Text, fmt.Sprintf("Natural size: (%g, %g). Current URL: %s", w, h, imageView.CurrentSource()))
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})
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rui.Set(view, "imageView1", rui.ErrorEvent, func(imageView rui.ImageView) {
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rui.Set(view, "imageViewInfo", rui.Text, "Image loading error")
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})
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rui.Set(view, "imageViewImage", rui.DropDownEvent, func(list rui.DropDownList, number int) {
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images := []string{"cat.jpg", "winds.png", "gifsInEmail.gif", "mountain.svg"}
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if number < len(images) {
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rui.Set(view, "imageView1", rui.Source, images[number])
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}
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})
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rui.Set(view, "imageViewFit", rui.DropDownEvent, func(list rui.DropDownList, number int) {
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rui.Set(view, "imageView1", rui.Fit, number)
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})
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rui.Set(view, "imageViewHAlign", rui.DropDownEvent, func(list rui.DropDownList, number int) {
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rui.Set(view, "imageView1", rui.ImageHorizontalAlign, number)
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})
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rui.Set(view, "imageViewVAlign", rui.DropDownEvent, func(list rui.DropDownList, number int) {
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rui.Set(view, "imageView1", rui.ImageVerticalAlign, number)
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})
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return view
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}
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