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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 com.github.snabbdom.VNode
import pl.treksoft.kvision.core.Component
import pl.treksoft.kvision.core.Container
import pl.treksoft.kvision.core.Widget
/**
* Basic container class, rendered as a DIV element with all children directly within.
*
* @constructor
* @param classes a set of CSS class names
* @param init an initializer extension function
*/
open class SimplePanel(classes: Set<String> = setOf(), init: (SimplePanel.() -> Unit)? = null) : Widget(classes),
Container {
protected val children: MutableList<Component> = mutableListOf()
init {
@Suppress("LeakingThis")
init?.invoke(this)
}
override fun render(): VNode {
return render("div", childrenVNodes())
}
/**
* Returns the array of the children Snabbdom vnodes.
* @return array of children vnodes
*/
protected open fun childrenVNodes(): Array<VNode> {
return children.filter { it.visible }.map { it.renderVNode() }.toTypedArray()
}
/**
* Protected and final method to add given component to the current container.
* @param child child component
* @return current container
*/
protected fun addInternal(child: Component): SimplePanel {
children.add(child)
child.parent?.remove(child)
child.parent = this
refresh()
return this
}
override fun add(child: Component): SimplePanel {
return addInternal(child)
}
override fun addAll(children: List<Component>): SimplePanel {
this.children.addAll(children)
children.map { it.parent = this }
refresh()
return this
}
override fun remove(child: Component): SimplePanel {
if (children.remove(child)) {
child.clearParent()
refresh()
}
return this
}
override fun removeAll(): SimplePanel {
children.map { it.clearParent() }
children.clear()
refresh()
return this
}
override fun getChildren(): List<Component> {
return children
}
override fun dispose() {
children.forEach { it.dispose() }
removeAll()
}
companion object {
/**
* DSL builder extension function.
*
* It takes the same parameters as the constructor of the built component.
*/
fun Container.simplePanel(classes: Set<String> = setOf(), init: (SimplePanel.() -> Unit)? = null): SimplePanel {
val simplePanel = SimplePanel(classes, init)
this.add(simplePanel)
return simplePanel
}
}
}
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