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/*
* Copyright (c) 2018. Robert Jaros
*/
package pl.treksoft.kvision.progress
import pl.treksoft.kvision.core.StringBoolPair
import pl.treksoft.kvision.core.StringPair
import pl.treksoft.kvision.html.Align
import pl.treksoft.kvision.html.Div
import pl.treksoft.kvision.utils.perc
/**
* Progress bar styles.
*/
enum class ProgressBarStyle(internal val className: String) {
SUCCESS("progress-bar-success"),
INFO("progress-bar-info"),
WARNING("progress-bar-warning"),
DANGER("progress-bar-danger")
}
internal const val DEFAULT_MIN = 0
internal const val DEFAULT_MAX = 100
/**
* The Bootstrap progress bar indicator.
*
* @constructor
* @param progress the current progress
* @param min the minimal progress
* @param max the maximal progress
* @param style the style of the progress bar indicator
* @param striped determines if the progress bar indicator is striped
* @param animated determines if the progress bar indicator is animated
* @param content element text
* @param rich determines if [content] can contain HTML code
* @param align content align
* @param classes a set of CSS class names
*/
internal class ProgressIndicator(
progress: Int, min: Int = DEFAULT_MIN, max: Int = DEFAULT_MAX, style: ProgressBarStyle? = null,
striped: Boolean = false, animated: Boolean = false,
content: String? = null, rich: Boolean = false, align: Align? = null,
classes: Set<String> = setOf()
) :
Div(content, rich, align, classes) {
/**
* The current progress.
*/
var progress by refreshOnUpdate(progress, { refreshWidth() })
/**
* The minimal progress.
*/
var min by refreshOnUpdate(min, { refreshWidth() })
/**
* The maximal progress.
*/
var max by refreshOnUpdate(max, { refreshWidth() })
/**
* The style of the progress indicator.
*/
var style by refreshOnUpdate(style)
/**
* Determines if the progress indicator is striped.
*/
var striped by refreshOnUpdate(striped)
/**
* Determines if the progress indicator is animated.
*/
var animated by refreshOnUpdate(animated)
init {
role = "progressbar"
refreshWidth()
}
private fun refreshWidth() {
val value = (if (max - min > 0) (progress - min) * DEFAULT_MAX.toFloat() / (max - min) else 0f).toInt()
val percent = if (value < 0) 0 else if (value > DEFAULT_MAX) DEFAULT_MAX else value
width = percent.perc
}
override fun getSnClass(): List<StringBoolPair> {
val cl = super.getSnClass().toMutableList()
cl.add("progress-bar" to true)
style?.let {
cl.add(it.className to true)
}
if (striped || animated) {
cl.add("progress-bar-striped" to true)
}
if (animated) {
cl.add("active" to true)
}
return cl
}
override fun getSnAttrs(): List<StringPair> {
val sn = super.getSnAttrs().toMutableList()
sn.add("aria-valuenow" to "$progress")
sn.add("aria-valuemin" to "$min")
sn.add("aria-valuemax" to "$max")
return sn
}
}
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