84 lines
3.1 KiB
TypeScript
84 lines
3.1 KiB
TypeScript
class Contextmenu<x,y>{
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static currentmenu;
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name:string;
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buttons:[string,(e:MouseEvent)=>void,string|null,(this:x,arg:y)=>boolean,(this:x,arg:y)=>boolean,string][];
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div:HTMLDivElement;
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static setup(){
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Contextmenu.currentmenu="";
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document.addEventListener('click', function(event) {
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if(Contextmenu.currentmenu==""){
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return;
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}
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if (!Contextmenu.currentmenu.contains(event.target)) {
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Contextmenu.currentmenu.remove();
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Contextmenu.currentmenu="";
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}
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});
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}
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constructor(name:string){
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this.name=name;
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this.buttons=[]
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}
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addbutton(text:string,onclick:(e:MouseEvent)=>void,img:null|string=null,shown:(this:x,arg:y)=>boolean=_=>true,enabled:(this:x,arg:y)=>boolean=_=>true){
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this.buttons.push([text,onclick,img,shown,enabled,"button"]);
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return {};
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}
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addsubmenu(text:string,onclick:(e:MouseEvent)=>void,img=null,shown:(this:x,arg:y)=>boolean=_=>true,enabled:(this:x,arg:y)=>boolean=_=>true){
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this.buttons.push([text,onclick,img,shown,enabled,"submenu"])
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return {};
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}
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makemenu(x:number,y:number,addinfo:any,other:y){
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const div=document.createElement("div");
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div.classList.add("contextmenu","flexttb");
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for(const thing of this.buttons){
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if(!thing[3].bind(addinfo)(other)){continue;}
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const intext=document.createElement("button")
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intext.disabled=!thing[4].bind(addinfo)(other);
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intext.classList.add("contextbutton")
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intext.textContent=thing[0]
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console.log(thing)
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if(thing[5]==="button"){
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intext.onclick=thing[1].bind(addinfo,other);
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}else if(thing[5]==="submenu"){
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intext.onclick=thing[1].bind(addinfo,other);
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}
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div.appendChild(intext);
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}
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if(Contextmenu.currentmenu!=""){
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Contextmenu.currentmenu.remove();
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}
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div.style.top = y+'px';
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div.style.left = x+'px';
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document.body.appendChild(div);
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Contextmenu.keepOnScreen(div);
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console.log(div)
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Contextmenu.currentmenu=div;
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return this.div;
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}
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bindContextmenu(obj:HTMLElement,addinfo:x,other:y){
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const func=(event) => {
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event.preventDefault();
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event.stopImmediatePropagation();
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this.makemenu(event.clientX,event.clientY,addinfo,other);
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}
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obj.addEventListener("contextmenu", func);
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return func;
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}
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static keepOnScreen(obj:HTMLElement){
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const html = document.documentElement.getBoundingClientRect();
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const docheight=html.height
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const docwidth=html.width
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const box=obj.getBoundingClientRect();
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console.log(box,docheight,docwidth);
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if(box.right>docwidth){
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console.log("test")
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obj.style.left = docwidth-box.width+'px';
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}
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if(box.bottom>docheight){
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obj.style.top = docheight-box.height+'px';
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}
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}
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}
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Contextmenu.setup();
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export {Contextmenu as Contextmenu}
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