"use strict";Object.defineProperties(exports,{__esModule:{value:!0},[Symbol.toStringTag]:{value:"Module"}});const l=require("vue");const m={name:"splitpanes",emits:["ready","resize","resized","pane-click","pane-maximize","pane-add","pane-remove","splitter-click"],props:{horizontal:{type:Boolean},pushOtherPanes:{type:Boolean,default:!0},dblClickSplitter:{type:Boolean,default:!0},rtl:{type:Boolean,default:!1},firstSplitter:{type:Boolean}},provide(){return{requestUpdate:this.requestUpdate,onPaneAdd:this.onPaneAdd,onPaneRemove:this.onPaneRemove,onPaneClick:this.onPaneClick}},data:()=>({container:null,ready:!1,panes:[],touch:{mouseDown:!1,dragging:!1,activeSplitter:null},splitterTaps:{splitter:null,timeoutId:null}}),computed:{panesCount(){return this.panes.length},indexedPanes(){return this.panes.reduce((e,i)=>(e[i.id]=i)&&e,{})}},methods:{updatePaneComponents(){this.panes.forEach(e=>{e.update&&e.update({[this.horizontal?"height":"width"]:`${this.indexedPanes[e.id].size}%`})})},bindEvents(){document.addEventListener("mousemove",this.onMouseMove,{passive:!1}),document.addEventListener("mouseup",this.onMouseUp),"ontouchstart"in window&&(document.addEventListener("touchmove",this.onMouseMove,{passive:!1}),document.addEventListener("touchend",this.onMouseUp))},unbindEvents(){document.removeEventListener("mousemove",this.onMouseMove,{passive:!1}),document.removeEventListener("mouseup",this.onMouseUp),"ontouchstart"in window&&(document.removeEventListener("touchmove",this.onMouseMove,{passive:!1}),document.removeEventListener("touchend",this.onMouseUp))},onMouseDown(e,i){this.bindEvents(),this.touch.mouseDown=!0,this.touch.activeSplitter=i},onMouseMove(e){this.touch.mouseDown&&(e.preventDefault(),this.touch.dragging=!0,this.calculatePanesSize(this.getCurrentMouseDrag(e)),this.$emit("resize",this.panes.map(i=>({min:i.min,max:i.max,size:i.size}))))},onMouseUp(){this.touch.dragging&&this.$emit("resized",this.panes.map(e=>({min:e.min,max:e.max,size:e.size}))),this.touch.mouseDown=!1,setTimeout(()=>{this.touch.dragging=!1,this.unbindEvents()},100)},onSplitterClick(e,i){"ontouchstart"in window&&(e.preventDefault(),this.dblClickSplitter&&(this.splitterTaps.splitter===i?(clearTimeout(this.splitterTaps.timeoutId),this.splitterTaps.timeoutId=null,this.onSplitterDblClick(e,i),this.splitterTaps.splitter=null):(this.splitterTaps.splitter=i,this.splitterTaps.timeoutId=setTimeout(()=>{this.splitterTaps.splitter=null},500)))),this.touch.dragging||this.$emit("splitter-click",this.panes[i])},onSplitterDblClick(e,i){let s=0;this.panes=this.panes.map((n,t)=>(n.size=t===i?n.max:n.min,t!==i&&(s+=n.min),n)),this.panes[i].size-=s,this.$emit("pane-maximize",this.panes[i]),this.$emit("resized",this.panes.map(n=>({min:n.min,max:n.max,size:n.size})))},onPaneClick(e,i){this.$emit("pane-click",this.indexedPanes[i])},getCurrentMouseDrag(e){const i=this.container.getBoundingClientRect(),{clientX:s,clientY:n}="ontouchstart"in window&&e.touches?e.touches[0]:e;return{x:s-i.left,y:n-i.top}},getCurrentDragPercentage(e){e=e[this.horizontal?"y":"x"];const i=this.container[this.horizontal?"clientHeight":"clientWidth"];return this.rtl&&!this.horizontal&&(e=i-e),e*100/i},calculatePanesSize(e){const i=this.touch.activeSplitter;let s={prevPanesSize:this.sumPrevPanesSize(i),nextPanesSize:this.sumNextPanesSize(i),prevReachedMinPanes:0,nextReachedMinPanes:0};const n=0+(this.pushOtherPanes?0:s.prevPanesSize),t=100-(this.pushOtherPanes?0:s.nextPanesSize),a=Math.max(Math.min(this.getCurrentDragPercentage(e),t),n);let r=[i,i+1],o=this.panes[r[0]]||null,h=this.panes[r[1]]||null;const d=o.max<100&&a>=o.max+s.prevPanesSize,c=h.max<100&&a<=100-(h.max+this.sumNextPanesSize(i+1));if(d||c){d?(o.size=o.max,h.size=Math.max(100-o.max-s.prevPanesSize-s.nextPanesSize,0)):(o.size=Math.max(100-h.max-s.prevPanesSize-this.sumNextPanesSize(i+1),0),h.size=h.max);return}if(this.pushOtherPanes){const u=this.doPushOtherPanes(s,a);if(!u)return;({sums:s,panesToResize:r}=u),o=this.panes[r[0]]||null,h=this.panes[r[1]]||null}o!==null&&(o.size=Math.min(Math.max(a-s.prevPanesSize-s.prevReachedMinPanes,o.min),o.max)),h!==null&&(h.size=Math.min(Math.max(100-a-s.nextPanesSize-s.nextReachedMinPanes,h.min),h.max))},doPushOtherPanes(e,i){const s=this.touch.activeSplitter,n=[s,s+1];return i<e.prevPanesSize+this.panes[n[0]].min&&(n[0]=this.findPrevExpandedPane(s).index,e.prevReachedMinPanes=0,n[0]<s&&this.panes.forEach((t,a)=>{a>n[0]&&a<=s&&(t.size=t.min,e.prevReachedMinPanes+=t.min)}),e.prevPanesSize=this.sumPrevPanesSize(n[0]),n[0]===void 0)?(e.prevReachedMinPanes=0,this.panes[0].size=this.panes[0].min,this.panes.forEach((t,a)=>{a>0&&a<=s&&(t.size=t.min,e.prevReachedMinPanes+=t.min)}),this.panes[n[1]].size=100-e.prevReachedMinPanes-this.panes[0].min-e.prevPanesSize-e.nextPanesSize,null):i>100-e.nextPanesSize-this.panes[n[1]].min&&(n[1]=this.findNextExpandedPane(s).index,e.nextReachedMinPanes=0,n[1]>s+1&&this.panes.forEach((t,a)=>{a>s&&a<n[1]&&(t.size=t.min,e.nextReachedMinPanes+=t.min)}),e.nextPanesSize=this.sumNextPanesSize(n[1]-1),n[1]===void 0)?(e.nextReachedMinPanes=0,this.panes[this.panesCount-1].size=this.panes[this.panesCount-1].min,this.panes.forEach((t,a)=>{a<this.panesCount-1&&a>=s+1&&(t.size=t.min,e.nextReachedMinPanes+=t.min)}),this.panes[n[0]].size=100-e.prevPanesSize-e.nextReachedMinPanes-this.panes[this.panesCount-1].min-e.nextPanesSize,null):{sums:e,panesToResize:n}},sumPrevPanesSize(e){return this.panes.reduce((i,s,n)=>i+(n<e?s.size:0),0)},sumNextPanesSize(e){return this.panes.reduce((i,s,n)=>i+(n>e+1?s.size:0),0)},findPrevExpandedPane(e){return[...this.panes].reverse().find(s=>s.index<e&&s.size>s.min)||{}},findNextExpandedPane(e){return this.panes.find(s=>s.index>e+1&&s.size>s.min)||{}},checkSplitpanesNodes(){Array.from(this.container.children).forEach(i=>{const s=i.classList.contains("splitpanes__pane"),n=i.classList.contains("splitpanes__splitter");!s&&!n&&(i.parentNode.removeChild(i),console.warn("Splitpanes: Only <pane> elements are allowed at the root of <splitpanes>. One of your DOM nodes was removed."))})},addSplitter(e,i,s=!1){const n=e-1,t=document.createElement("div");t.classList.add("splitpanes__splitter"),s||(t.onmousedown=a=>this.onMouseDown(a,n),typeof window<"u"&&"ontouchstart"in window&&(t.ontouchstart=a=>this.onMouseDown(a,n)),t.onclick=a=>this.onSplitterClick(a,n+1)),this.dblClickSplitter&&(t.ondblclick=a=>this.onSplitterDblClick(a,n+1)),i.parentNode.insertBefore(t,i)},removeSplitter(e){e.onmousedown=void 0,e.onclick=void 0,e.ondblclick=void 0,e.parentNode.removeChild(e)},redoSplitters(){const e=Array.from(this.container.children);e.forEach(s=>{s.className.includes("splitpanes__splitter")&&this.removeSplitter(s)});let i=0;e.forEach(s=>{s.className.includes("splitpanes__pane")&&(!i&&this.firstSplitter?this.addSplitter(i,s,!0):i&&this.addSplitter(i,s),i++)})},requestUpdate({target:e,...i}){const s=this.indexedPanes[e._.uid];Object.entries(i).forEach(([n,t])=>s[n]=t)},onPaneAdd(e){let i=-1;Array.from(e.$el.parentNode.children).some(t=>(t.className.includes("splitpanes__pane")&&i++,t===e.$el));const s=parseFloat(e.minSize),n=parseFloat(e.maxSize);this.panes.splice(i,0,{id:e._.uid,index:i,min:isNaN(s)?0:s,max:isNaN(n)?100:n,size:e.size===null?null:parseFloat(e.size),givenSize:e.size,update:e.update}),this.panes.forEach((t,a)=>t.index=a),this.ready&&this.$nextTick(()=>{this.redoSplitters(),this.resetPaneSizes({addedPane:this.panes[i]}),this.$emit("pane-add",{index:i,panes:this.panes.map(t=>({min:t.min,max:t.max,size:t.size}))})})},onPaneRemove(e){const i=this.panes.findIndex(n=>n.id===e._.uid),s=this.panes.splice(i,1)[0];this.panes.forEach((n,t)=>n.index=t),this.$nextTick(()=>{this.redoSplitters(),this.resetPaneSizes({removedPane:{...s,index:i}}),this.$emit("pane-remove",{removed:s,panes:this.panes.map(n=>({min:n.min,max:n.max,size:n.size}))})})},resetPaneSizes(e={}){!e.addedPane&&!e.removedPane?this.initialPanesSizing():this.panes.some(i=>i.givenSize!==null||i.min||i.max<100)?this.equalizeAfterAddOrRemove(e):this.equalize(),this.ready&&this.$emit("resized",this.panes.map(i=>({min:i.min,max:i.max,size:i.size})))},equalize(){const e=100/this.panesCount;let i=0;const s=[],n=[];this.panes.forEach(t=>{t.size=Math.max(Math.min(e,t.max),t.min),i-=t.size,t.size>=t.max&&s.push(t.id),t.size<=t.min&&n.push(t.id)}),i>.1&&this.readjustSizes(i,s,n)},initialPanesSizing(){let e=100;const i=[],s=[];let n=0;this.panes.forEach(a=>{e-=a.size,a.size!==null&&n++,a.size>=a.max&&i.push(a.id),a.size<=a.min&&s.push(a.id)});let t=100;e>.1&&(this.panes.forEach(a=>{a.size===null&&(a.size=Math.max(Math.min(e/(this.panesCount-n),a.max),a.min)),t-=a.size}),t>.1&&this.readjustSizes(e,i,s))},equalizeAfterAddOrRemove({addedPane:e,removedPane:i}={}){let s=100/this.panesCount,n=0;const t=[],a=[];e&&e.givenSize!==null&&(s=(100-e.givenSize)/(this.panesCount-1)),this.panes.forEach(r=>{n-=r.size,r.size>=r.max&&t.push(r.id),r.size<=r.min&&a.push(r.id)}),!(Math.abs(n)<.1)&&(this.panes.forEach(r=>{e&&e.givenSize!==null&&e.id===r.id||(r.size=Math.max(Math.min(s,r.max),r.min)),n-=r.size,r.size>=r.max&&t.push(r.id),r.size<=r.min&&a.push(r.id)}),n>.1&&this.readjustSizes(n,t,a))},readjustSizes(e,i,s){let n;e>0?n=e/(this.panesCount-i.length):n=e/(this.panesCount-s.length),this.panes.forEach((t,a)=>{if(e>0&&!i.includes(t.id)){const r=Math.max(Math.min(t.size+n,t.max),t.min),o=r-t.size;e-=o,t.size=r}else if(!s.includes(t.id)){const r=Math.max(Math.min(t.size+n,t.max),t.min),o=r-t.size;e-=o,t.size=r}t.update({[this.horizontal?"height":"width"]:`${this.indexedPanes[t.id].size}%`})}),Math.abs(e)>.1&&this.$nextTick(()=>{this.ready&&console.warn("Splitpanes: Could not resize panes correctly due to their constraints.")})}},watch:{panes:{deep:!0,immediate:!1,handler(){this.updatePaneComponents()}},horizontal(){this.updatePaneComponents()},firstSplitter(){this.redoSplitters()},dblClickSplitter(e){[...this.container.querySelectorAll(".splitpanes__splitter")].forEach((s,n)=>{s.ondblclick=e?t=>this.onSplitterDblClick(t,n):void 0})}},beforeUnmount(){this.ready=!1},mounted(){this.container=this.$refs.container,this.checkSplitpanesNodes(),this.redoSplitters(),this.resetPaneSizes(),this.$emit("ready"),this.ready=!0},render(){return l.h("div",{ref:"container",class:["splitpanes",`splitpanes--${this.horizontal?"horizontal":"vertical"}`,{"splitpanes--dragging":this.touch.dragging}]},this.$slots.default())}},p=(e,i)=>{const s=e.__vccOpts||e;for(const[n,t]of i)s[n]=t;return s},z={name:"pane",inject:["requestUpdate","onPaneAdd","onPaneRemove","onPaneClick"],props:{size:{type:[Number,String],default:null},minSize:{type:[Number,String],default:0},maxSize:{type:[Number,String],default:100}},data:()=>({style:{}}),mounted(){this.onPaneAdd(this)},beforeUnmount(){this.onPaneRemove(this)},methods:{update(e){this.style=e}},computed:{sizeNumber(){return this.size||this.size===0?parseFloat(this.size):null},minSizeNumber(){return parseFloat(this.minSize)},maxSizeNumber(){return parseFloat(this.maxSize)}},watch:{sizeNumber(e){this.requestUpdate({target:this,size:e})},minSizeNumber(e){this.requestUpdate({target:this,min:e})},maxSizeNumber(e){this.requestUpdate({target:this,max:e})}}};function f(e,i,s,n,t,a){return l.openBlock(),l.createElementBlock("div",{class:"splitpanes__pane",onClick:i[0]||(i[0]=r=>a.onPaneClick(r,e._.uid)),style:l.normalizeStyle(e.style)},[l.renderSlot(e.$slots,"default")],4)}const S=p(z,[["render",f]]);exports.Pane=S;exports.Splitpanes=m;