TiddlyWiki5/plugins/tiddlywiki/codemirror-autocomplete/files/addon/hint/show-hint.js

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE
!function(t){"object"==typeof exports&&"object"==typeof module?t(require("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],t):t(CodeMirror)}(function(W){"use strict";var I="CodeMirror-hint-active";function o(t,i){this.cm=t,this.options=i,this.widget=null,this.debounce=0,this.tick=0,this.startPos=this.cm.getCursor("start"),this.startLen=this.cm.getLine(this.startPos.line).length-this.cm.getSelection().length;var e=this;t.on("cursorActivity",this.activityFunc=function(){e.cursorActivity()})}W.showHint=function(t,i,e){if(!i)return t.showHint(e);e&&e.async&&(i.async=!0);var n={hint:i};if(e)for(var o in e)n[o]=e[o];return t.showHint(n)},W.defineExtension("showHint",function(t){t=function(t,i,e){var n=t.options.hintOptions,o={};for(var s in l)o[s]=l[s];if(n)for(var s in n)void 0!==n[s]&&(o[s]=n[s]);if(e)for(var s in e)void 0!==e[s]&&(o[s]=e[s]);o.hint.resolve&&(o.hint=o.hint.resolve(t,i));return o}(this,this.getCursor("start"),t);var i=this.listSelections();if(!(1<i.length)){if(this.somethingSelected()){if(!t.hint.supportsSelection)return;for(var e=0;e<i.length;e++)if(i[e].head.line!=i[e].anchor.line)return}this.state.completionActive&&this.state.completionActive.close();var n=this.state.completionActive=new o(this,t);n.options.hint&&(W.signal(this,"startCompletion",this),n.update(!0))}}),W.defineExtension("closeHint",function(){this.state.completionActive&&this.state.completionActive.close()});var s=window.requestAnimationFrame||function(t){return setTimeout(t,1e3/60)},c=window.cancelAnimationFrame||clearTimeout;function B(t){return"string"==typeof t?t:t.text}function K(t,i){for(;i&&i!=t;){if("LI"===i.nodeName.toUpperCase()&&i.parentNode==t)return i;i=i.parentNode}}function n(o,t){this.completion=o,this.data=t,this.picked=!1;var e=this,s=o.cm,c=s.getInputField().ownerDocument,r=c.defaultView||c.parentWindow,l=this.hints=c.createElement("ul"),i=o.cm.options.theme;l.className="CodeMirror-hints "+i,this.selectedHint=t.selectedHint||0;for(var n=t.list,h=0;h<n.length;++h){var a=l.appendChild(c.createElement("li")),u=n[h],f="CodeMirror-hint"+(h!=this.selectedHint?"":" "+I);null!=u.className&&(f=u.className+" "+f),a.className=f,u.render?u.render(a,t,u):a.appendChild(c.createTextNode(u.displayText||B(u))),a.hintId=h}var p,d,m,g=o.options.container||c.body,v=s.cursorCoords(o.options.alignWithWord?t.from:null),y=v.left,w=v.bottom,H=!0,C=0,b=0;g!==c.body&&(d=(p=-1!==["absolute","relative","fixed"].indexOf(r.getComputedStyle(g).position)?g:g.offsetParent).getBoundingClientRect(),m=c.body.getBoundingClientRect(),C=d.left-m.left-p.scrollLeft,b=d.top-m.top-p.scrollTop),l.style.left=y-C+"px",l.style.top=w-b+"px";var k=r.innerWidth||Math.max(c.body.offsetWidth,c.documentElement.offsetWidth),A=r.innerHeight||Math.max(c.body.offsetHeight,c.documentElement.offsetHeight);g.appendChild(l);var x,T,S=l.getBoundingClientRect(),M=S.bottom-A,N=l.scrollHeight>l.clientHeight+1,F=s.getScrollInfo();0<M&&(x=S.bottom-S.top,0<v.top-(v.bottom-S.top)-x?(l.style.top=(w=v.top-x-b)+"px",H=!1):A<x&&(l.style.height=A-5+"px",l.style.top=(w=v.bottom-S.top-b)+"px",T=s.getCursor(),t.from.ch!=T.ch&&(v=s.cursorCoords(T),l.style.left=(y=v.left-C)+"px",S=l.getBoundingClientRect())));var E,O=S.right-k;if(0<O&&(S.right-S.left>k&&(l.style.width=k-5+"px",O-=S.right-S.left-k),l.style.left=(y=v.left-O-C)+"px"),N)for(var P=l.firstChild;P;P=P.nextSibling)P.style.paddingRight=s.display.nativeBarWidth+"px";return s.addKeyMap(this.keyMap=function(t,n){var o={Up:function(){n.moveFocus(-1)},Down:function(){n.moveFocus(1)},PageUp:function(){n.moveFocus(1-n.menuSize(),!0)},PageDown:function(){n.moveFocus(n.menuSize()-1,!0)},Home:function(){n.setFocus(0)},End:function(){n.setFocus(n.length-1)},Enter:n.pick,Tab:n.pick,Esc:n.close};/Mac/.test(navigator.platform)&&(o["Ctrl-P"]=function(){n.moveFocus(-1)},o["Ctrl-N"]=function(){n.moveFocus(1)});var i=t.options.customKeys,s=i?{}:o;function e(t,i){var e="string"!=typeof i?function(t){return i(t,n)}:o.hasOwnProperty(i)?o[i]:i;s[t]=e}if(i)for(var c in i)i.hasOwnProperty(c)&&e(c,i[c]);var r=t.options.extraKeys;if(r)for(var c in r)r.hasOwnProperty(c)&&e(c,r[c]);return s}(o,{moveFocus:function(t,i){e.changeActive(e.selectedHint+t,i)},setFocus:function(t){e.changeActive(t)},menuSize:function(){return e.screenAmount()},length:n.length,close:function(){o.close()},pick:function(){e.pick()},data:t})),o.options.closeOnUnfocus&&(s.on("blur",this.onBlur=function(){E=setTimeout(function(){o.close()},100)}),s.on("focus",this.onFocus=function(){clearTimeout(E)})),s.on("scroll",this.onScroll=function(){var t=s.getScrollInfo(),i=s.getWrapperElement().getBoundingClientRect(),e=w+F.top-t.top,n=e-(r.pageYOffset||(c.documentElement||c.body).scrollTop);if(H||(n+=l.offsetHeight),n<=i.top||n>=i.bottom)return o.close();l.style.top=e+"px",l.style.left=y+F.left-t.left+"px"}),W.on(l,"dblclick",function(t){var i=K(l,t.target||t.srcElement);i&&null!=i.hintId&&(e.changeActive(i.hintId),e.pick())}),W.on(l,"click",function(t){var i=K(l,t.target||t.srcElement);i&&null!=i.hintId&&(e.changeActive(i.hintId),o.options.completeOnSingleClick&&e.pick())}),W.on(l,"mousedown",function(){setTimeout(function(){s.focus()},20)}),this.scrollToActive(),W.signal(t,"select",n[this.selectedHint],l.childNodes[this.selectedHint]),!0}function r(t,i,e,n){var o;t.async?t(i,n,e):(o=t(i,e))&&o.then?o.then(n):n(o)}o.prototype={close:function(){this.active()&&(this.cm.state.completionActive=null,this.tick=null,this.cm.off("cursorActivity",this.activityFunc),this.widget&&this.data&&W.signal(this.data,"close"),this.widget&&this.widget.close(),W.signal(this.cm,"endCompletion",this.cm))},active:function(){return this.cm.state.completionActive==this},pick:function(t,i){var e=t.list[i],n=this;this.cm.operation(function(){e.hint?e.hint(n.cm,t,e):n.cm.replaceRange(B(e),e.from||t.from,e.to||t.to,"complete"),W.signal(t,"pick",e),n.cm.scrollIntoView()}),this.close()},cursorActivity:function(){this.debounce&&(c(this.debounce),this.debounce=0);var t=this.startPos;this.data&&(t=this.data.from);var i,e=this.cm.getCursor(),n=this.cm.getLine(e.line);e.line!=this.startPos.line||n.length-e.ch!=this.startLen-this.startPos.ch||e.ch<t.ch||this.cm.somethingSelected()||!e.ch||this.options.closeCharacters.test(n.charAt(e.ch-1))?this.close():((i=this).debounce=s(function(){i.update()}),this.widget&&this.widget.disable())},update:function(i){var e,n;null!=this.tick&&(n=++(e=this).tick,r(this.options.hint,this.cm,this.options,function(t){e.tick==n&&e.finishUpdate(t,i)}))},finishUpdate:function(t,i){this.data&&W.signal(this.data,"update");var e=this.widget&&this.widget.picked||i&&this.options.completeSingle;this.widget&&this.widget.close(),(this.data=t)&&t.list.length&&(e&&1==t.list.length?this.pick(t,0):(this.widget=new n(this,t),W.signal(t,"shown")))}},n.prototype={close:function(){var t;this.completion.widget==this&&(this.completion.widget=null,this.hints.parentNode.removeChild(this.hints),this.completion.cm.removeKeyMap(this.keyMap),t=this.completion.cm,this.completion.options.closeOnUnfocus&&(t.off("blur",this.onBlur),t.off("focus",this.onFocus)),t.off("scroll",this.onScroll))},disable:function(){this.completion.cm.removeKeyMap(this.keyMap);var t=this;this.keyMap={Enter:function(){t.picked=!0}},this.completion.cm.addKeyMap(this.keyMap)},pick:function(){this.completion.pick(this.data,this.selectedHint)},changeActive:function(t,i){var e;t>=this.data.list.length?t=i?this.data.list.length-1:0:t<0&&(t=i?0:this.data.list.length-1),this.selectedHint!=t&&((e=this.hints.childNodes[this.selectedHint])&&(e.className=e.className.replace(" "+I,"")),(e=this.hints.childNodes[this.selectedHint=t]).className+=" "+I,this.scrollToActive(),W.signal(this.data,"select",this.data.list[this.selectedHint],e))},scrollToActive:function(){var t=this.completion.options.scrollMargin||0,i=this.hints.childNodes[Math.max(0,this.selectedHint-t)],e=this.hints.childNodes[Math.min(this.data.list.length-1,this.selectedHint+t)],n=this.hints.firstChild;i.offsetTop<this.hints.scrollTop?this.hints.scrollTop=i.offsetTop-n.offsetTop:e.offsetTop+e.offsetHeight>this.hints.scrollTop+this.hints.clientHeight&&(this.hints.scrollTop=e.offsetTop+e.offsetHeight-this.hints.clientHeight+n.offsetTop)},screenAmount:function(){return Math.floor(this.hints.clientHeight/this.hints.firstChild.offsetHeight)||1}},W.registerHelper("hint","auto",{resolve:function(t,i){var e,c=t.getHelpers(i,"hint");if(c.length){var n=function(t,n,o){var s=function(t,i){if(!t.somethingSelected())return i;for(var e=[],n=0;n<i.length;n++)i[n].supportsSelection&&e.push(i[n]);return e}(t,c);!function i(e){if(e==s.length)return n(null);r(s[e],t,o,function(t){t&&0<t.list.length?n(t):i(e+1)})}(0)};return n.async=!0,n.supportsSelection=!0,n}return(e=t.getHelper(t.getCursor(),"hintWords"))?function(t){return W.hint.fromList(t,{words:e})}:W.hint.anyword?function(t,i){return W.hint.anyword(t,i)}:function(){}}}),W.registerHelper("hint","fromList",function(t,i){var e,n=t.getCursor(),o=t.getTokenAt(n),s=W.Pos(n.line,o.start),c=n;o.start<n.ch&&/\w/.test(o.string.charAt(n.ch-o.start-1))?e=o.string.substr(0,n.ch-o.start):(e="",s=n);for(var r=[],l=0;l<i.words.length;l++){var h=i.words[l];h.slice(0,e.length)==e&&r.push(h)}if(r.length)return{list:r,from:s,to:c}}),W.commands.autocomplete=W.showHint;var l={hint:W.hint.auto,completeSingle:!0,alignWithWord:!0,closeCharacters:/[\s()\[\]{};:>,]/,closeOnUnfocus:!0,completeOnSingleClick:!0,container:null,customKeys:null,extraKeys:null};W.defineOption("hintOptions",null)});