/* * 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.jquery.JQuery import pl.treksoft.jquery.JQueryEventObject import pl.treksoft.kvision.core.Container import pl.treksoft.kvision.core.StyledComponent import pl.treksoft.kvision.core.UNIT import pl.treksoft.kvision.html.TAG import pl.treksoft.kvision.html.Tag import pl.treksoft.kvision.utils.obj /** * Split panel direction. */ enum class DIRECTION(internal val dir: String) { HORIZONTAL("horizontal"), VERTICAL("vertical") } /** * The container with draggable splitter. * * It is required to have exactly two children, for both sides of the splitter. Otherwise it will be * rendered as empty. * * @constructor * @param direction direction of the splitter * @param classes a set of CSS class names * @param init an initializer extension function */ open class SplitPanel( private val direction: DIRECTION = DIRECTION.VERTICAL, classes: Set = setOf(), init: (SplitPanel.() -> Unit)? = null ) : SimplePanel(classes + ("splitpanel-" + direction.dir)) { @Suppress("LeakingThis") internal val splitter = Splitter(this, direction) init { @Suppress("LeakingThis") init?.invoke(this) } @Suppress("UnsafeCastFromDynamic") internal fun afterInsertSplitter() { if (children.size == 2) { val horizontal = direction == DIRECTION.HORIZONTAL val px = UNIT.px val self = this children[0].getElementJQueryD().resizable(obj { handleSelector = "#" + splitter.id resizeWidth = !horizontal resizeHeight = horizontal onDrag = lok@ { e: JQueryEventObject, _: JQuery, newWidth: Int, newHeight: Int, _: dynamic -> e.asDynamic()["newWidth"] = newWidth e.asDynamic()["newHeight"] = newHeight self.dispatchEvent("dragSplitPanel", obj { detail = e }) return@lok !e.isDefaultPrevented() } onDragEnd = { e: JQueryEventObject, el: JQuery, _: dynamic -> if (horizontal) { (children[0] as? StyledComponent)?.height = el.height().toInt() to px } else { (children[0] as? StyledComponent)?.width = el.width().toInt() to px } self.dispatchEvent("dragEndSplitPanel", obj { detail = e }) } }) } } override fun childrenVNodes(): Array { return if (children.size == 2) { arrayOf(children[0].renderVNode(), splitter.renderVNode(), children[1].renderVNode()) } else { arrayOf() } } companion object { /** * DSL builder extension function. * * It takes the same parameters as the constructor of the built component. */ fun Container.splitPanel( direction: DIRECTION = DIRECTION.VERTICAL, classes: Set = setOf(), init: (SplitPanel.() -> Unit)? = null ): SplitPanel { val splitPanel = SplitPanel(direction, classes, init) this.add(splitPanel) return splitPanel } } } internal class Splitter(private val splitPanel: SplitPanel, direction: DIRECTION) : Tag( TAG.DIV, classes = setOf("splitter-" + direction.dir) ) { private val idc = "kv_splitter_" + counter init { counter++ this.id = idc } override fun afterInsert(node: VNode) { splitPanel.afterInsertSplitter() } companion object { internal var counter = 0 } }