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/*
* Copyright (c) 2017-present Robert Jaros
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package pl.treksoft.kvision.panel
import pl.treksoft.kvision.core.Component
import pl.treksoft.kvision.core.Container
import pl.treksoft.kvision.core.ResString
import pl.treksoft.kvision.core.WidgetWrapper
import pl.treksoft.kvision.html.Link
import pl.treksoft.kvision.html.TAG
import pl.treksoft.kvision.html.Tag
import pl.treksoft.kvision.routing.routing
/**
* Tab position.
*/
enum class TabPosition {
TOP,
LEFT,
RIGHT
}
/**
* Left or right tab size.
*/
enum class SideTabSize {
SIZE_1,
SIZE_2,
SIZE_3,
SIZE_4,
SIZE_5,
SIZE_6
}
/**
* The container rendering it's children as tabs.
*
* It supports activating children by a JavaScript route.
*
* @constructor
* @param tabPosition tab position
* @param sideTabSize side tab size
* @param scrollableTabs determines if tabs are scrollable (default: false)
* @param classes a set of CSS class names
* @param init an initializer extension function
*/
open class TabPanel(
private val tabPosition: TabPosition = TabPosition.TOP,
private val sideTabSize: SideTabSize = SideTabSize.SIZE_3,
scrollableTabs: Boolean = false,
classes: Set<String> = setOf(),
init: (TabPanel.() -> Unit)? = null
) : SimplePanel(classes) {
/**
* The index of active (visible) tab.
*/
var activeIndex
get() = content.activeIndex
set(value) {
if (content.activeIndex != value) {
content.activeIndex = value
nav.children.forEach {
it.removeCssClass("active")
}
if (content.activeIndex in nav.children.indices) {
nav.children[content.activeIndex].addCssClass("active")
}
}
}
private val navClasses = when (tabPosition) {
TabPosition.TOP -> if (scrollableTabs) setOf("nav", "nav-tabs", "tabs-top") else setOf("nav", "nav-tabs")
TabPosition.LEFT -> setOf("nav", "nav-tabs", "tabs-left")
TabPosition.RIGHT -> setOf("nav", "nav-tabs", "tabs-right")
}
private var nav = Tag(TAG.UL, classes = navClasses)
private var content = StackPanel(false)
init {
when (tabPosition) {
TabPosition.TOP -> {
this.addInternal(nav)
this.addInternal(content)
}
TabPosition.LEFT -> {
this.addCssClass("clearfix")
val sizes = calculateSideClasses()
this.addInternal(WidgetWrapper(nav, setOf(sizes.first, "col-nopadding")))
this.addInternal(WidgetWrapper(content, setOf(sizes.second, "col-nopadding")))
}
TabPosition.RIGHT -> {
this.addCssClass("clearfix")
val sizes = calculateSideClasses()
this.addInternal(WidgetWrapper(content, setOf(sizes.second, "col-nopadding")))
this.addInternal(WidgetWrapper(nav, setOf(sizes.first, "col-nopadding")))
}
}
@Suppress("LeakingThis")
init?.invoke(this)
}
private fun calculateSideClasses(): Pair<String, String> {
return when (sideTabSize) {
SideTabSize.SIZE_1 -> Pair("col-xs-1", "col-xs-11")
SideTabSize.SIZE_2 -> Pair("col-xs-2", "col-xs-10")
SideTabSize.SIZE_3 -> Pair("col-xs-3", "col-xs-9")
SideTabSize.SIZE_4 -> Pair("col-xs-4", "col-xs-8")
SideTabSize.SIZE_5 -> Pair("col-xs-5", "col-xs-7")
SideTabSize.SIZE_6 -> Pair("col-xs-6", "col-xs-6")
}
}
/**
* Adds new tab and optionally bounds it's activation to a given route.
* @param title title of the tab
* @param panel child component
* @param icon icon of the tab
* @param image image of the tab
* @param route JavaScript route to activate given child
* @return current container
*/
open fun addTab(
title: String, panel: Component, icon: String? = null,
image: ResString? = null, route: String? = null
): TabPanel {
val tag = Tag(TAG.LI)
tag.role = "presentation"
tag.add(Link(title, "#", icon, image))
val index = nav.children.size
tag.setEventListener {
click = { e ->
activeIndex = index
e.preventDefault()
if (route != null) {
routing.navigate(route)
}
}
}
nav.add(tag)
if (nav.children.size == 1) {
tag.addCssClass("active")
activeIndex = 0
}
content.add(panel)
if (route != null) {
routing.on(route, { _ -> activeIndex = index }).resolve()
}
return this
}
/**
* Removes tab at given index.
*/
open fun removeTab(index: Int): TabPanel {
nav.remove(nav.children[index])
content.remove(content.children[index])
activeIndex = content.activeIndex
return this
}
override fun add(child: Component): TabPanel {
return addTab("", child)
}
override fun addAll(children: List<Component>): TabPanel {
children.forEach { add(it) }
return this
}
override fun remove(child: Component): TabPanel {
val index = content.children.indexOf(child)
return removeTab(index)
}
override fun removeAll(): TabPanel {
content.removeAll()
nav.removeAll()
refresh()
return this
}
companion object {
/**
* DSL builder extension function.
*
* It takes the same parameters as the constructor of the built component.
*/
fun Container.tabPanel(
tabPosition: TabPosition = TabPosition.TOP,
sideTabSize: SideTabSize = SideTabSize.SIZE_3,
scrollableTabs: Boolean = false,
classes: Set<String> = setOf(),
init: (TabPanel.() -> Unit)? = null
): TabPanel {
val tabPanel = TabPanel(tabPosition, sideTabSize, scrollableTabs, classes, init)
this.add(tabPanel)
return tabPanel
}
}
}
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