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

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://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(t){"use strict";var i="CodeMirror-hint",e="CodeMirror-hint-active";function n(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()})}t.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)},t.defineExtension("showHint",function(i){i=function(t,i,e){var n=t.options.hintOptions,o={};for(var s in a)o[s]=a[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"),i);var e=this.listSelections();if(!(e.length>1)){if(this.somethingSelected()){if(!i.hint.supportsSelection)return;for(var o=0;o<e.length;o++)if(e[o].head.line!=e[o].anchor.line)return}this.state.completionActive&&this.state.completionActive.close();var s=this.state.completionActive=new n(this,i);s.options.hint&&(t.signal(this,"startCompletion",this),s.update(!0))}});var o=window.requestAnimationFrame||function(t){return setTimeout(t,1e3/60)},s=window.cancelAnimationFrame||clearTimeout;function c(t){return"string"==typeof t?t:t.text}function r(t,i){for(;i&&i!=t;){if("LI"===i.nodeName.toUpperCase()&&i.parentNode==t)return i;i=i.parentNode}}function h(n,o){this.completion=n,this.data=o,this.picked=!1;var s=this,h=n.cm,l=this.hints=document.createElement("ul");l.className="CodeMirror-hints",this.selectedHint=o.selectedHint||0;for(var a=o.list,u=0;u<a.length;++u){var f=l.appendChild(document.createElement("li")),d=a[u],p=i+(u!=this.selectedHint?"":" "+e);null!=d.className&&(p=d.className+" "+p),f.className=p,d.render?d.render(f,o,d):f.appendChild(document.createTextNode(d.displayText||c(d))),f.hintId=u}var m=h.cursorCoords(n.options.alignWithWord?o.from:null),g=m.left,v=m.bottom,y=!0;l.style.left=g+"px",l.style.top=v+"px";var w=window.innerWidth||Math.max(document.body.offsetWidth,document.documentElement.offsetWidth),H=window.innerHeight||Math.max(document.body.offsetHeight,document.documentElement.offsetHeight);(n.options.container||document.body).appendChild(l);var k=l.getBoundingClientRect(),C=k.bottom-H,b=l.scrollHeight>l.clientHeight+1,x=h.getScrollInfo();if(C>0){var A=k.bottom-k.top;if(m.top-(m.bottom-k.top)-A>0)l.style.top=(v=m.top-A)+"px",y=!1;else if(A>H){l.style.height=H-5+"px",l.style.top=(v=m.bottom-k.top)+"px";var S=h.getCursor();o.from.ch!=S.ch&&(m=h.cursorCoords(S),l.style.left=(g=m.left)+"px",k=l.getBoundingClientRect())}}var T,M=k.right-w;if(M>0&&(k.right-k.left>w&&(l.style.width=w-5+"px",M-=k.right-k.left-w),l.style.left=(g=m.left-M)+"px"),b)for(var N=l.firstChild;N;N=N.nextSibling)N.style.paddingRight=h.display.nativeBarWidth+"px";(h.addKeyMap(this.keyMap=function(t,i){var e={Up:function(){i.moveFocus(-1)},Down:function(){i.moveFocus(1)},PageUp:function(){i.moveFocus(1-i.menuSize(),!0)},PageDown:function(){i.moveFocus(i.menuSize()-1,!0)},Home:function(){i.setFocus(0)},End:function(){i.setFocus(i.length-1)},Enter:i.pick,Tab:i.pick,Esc:i.close},n=t.options.customKeys,o=n?{}:e;function s(t,n){var s;s="string"!=typeof n?function(t){return n(t,i)}:e.hasOwnProperty(n)?e[n]:n,o[t]=s}if(n)for(var c in n)n.hasOwnProperty(c)&&s(c,n[c]);var r=t.options.extraKeys;if(r)for(var c in r)r.hasOwnProperty(c)&&s(c,r[c]);return o}(n,{moveFocus:function(t,i){s.changeActive(s.selectedHint+t,i)},setFocus:function(t){s.changeActive(t)},menuSize:function(){return s.screenAmount()},length:a.length,close:function(){n.close()},pick:function(){s.pick()},data:o})),n.options.closeOnUnfocus)&&(h.on("blur",this.onBlur=function(){T=setTimeout(function(){n.close()},100)}),h.on("focus",this.onFocus=function(){clearTimeout(T)}));return h.on("scroll",this.onScroll=function(){var t=h.getScrollInfo(),i=h.getWrapperElement().getBoundingClientRect(),e=v+x.top-t.top,o=e-(window.pageYOffset||(document.documentElement||document.body).scrollTop);if(y||(o+=l.offsetHeight),o<=i.top||o>=i.bottom)return n.close();l.style.top=e+"px",l.style.left=g+x.left-t.left+"px"}),t.on(l,"dblclick",function(t){var i=r(l,t.target||t.srcElement);i&&null!=i.hintId&&(s.changeActive(i.hintId),s.pick())}),t.on(l,"click",function(t){var i=r(l,t.target||t.srcElement);i&&null!=i.hintId&&(s.changeActive(i.hintId),n.options.completeOnSingleClick&&s.pick())}),t.on(l,"mousedown",function(){setTimeout(function(){h.focus()},20)}),t.signal(o,"select",a[this.selectedHint],l.childNodes[this.selectedHint]),!0}function l(t,i,e,n){if(t.async)t(i,n,e);else{var o=t(i,e);o&&o.then?o.then(n):n(o)}}n.prototype={close:function(){this.active()&&(this.cm.state.completionActive=null,this.tick=null,this.cm.off("cursorActivity",this.activityFunc),this.widget&&this.data&&t.signal(this.data,"close"),this.widget&&this.widget.close(),t.signal(this.cm,"endCompletion",this.cm))},active:function(){return this.cm.state.completionActive==this},pick:function(i,e){var n=i.list[e];n.hint?n.hint(this.cm,i,n):this.cm.replaceRange(c(n),n.from||i.from,n.to||i.to,"complete"),t.signal(i,"pick",n),this.close()},cursorActivity:function(){this.debounce&&(s(this.debounce),this.debounce=0);var t=this.cm.getCursor(),i=this.cm.getLine(t.line);if(t.line!=this.startPos.line||i.length-t.ch!=this.startLen-this.startPos.ch||t.ch<this.startPos.ch||this.cm.somethingSelected()||t.ch&&this.options.closeCharacters.test(i.charAt(t.ch-1)))this.close();else{var e=this;this.debounce=o(function(){e.update()}),this.widget&&this.widget.disable()}},update:function(t){if(null!=this.tick){var i=this,e=++this.tick;l(this.options.hint,this.cm,this.options,function(n){i.tick==e&&i.finishUpdate(n,t)})}},finishUpdate:function(i,e){this.data&&t.signal(this.data,"update");var n=this.widget&&this.widget.picked||e&&this.options.completeSingle;this.widget&&this.widget.close(),this.data=i,i&&i.list.length&&(n&&1==i.list.length?this.pick(i,0):(this.widget=new h(this,i),t.signal(i,"shown")))}},h.prototype={close:function(){if(this.completion.widget==this){this.completion.widget=null,this.hints.parentNode.removeChild(this.hints),this.completion.cm.removeKeyMap(this.keyMap);var 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(i,n){if(i>=this.data.list.length?i=n?this.data.list.length-1:0:i<0&&(i=n?0:this.data.list.length-1),this.selectedHint!=i){var o=this.hints.childNodes[this.selectedHint];o.className=o.className.replace(" "+e,""),(o=this.hints.childNodes[this.selectedHint=i]).className+=" "+e,o.offsetTop<this.hints.scrollTop?this.hints.scrollTop=o.offsetTop-3:o.offsetTop+o.offsetHeight>this.hints.scrollTop+this.hints.clientHeight&&(this.hints.scrollTop=o.offsetTop+o.offsetHeight-this.hints.clientHeight+3),t.signal(this.data,"select",this.data.list[this.selectedHint],o)}},screenAmount:function(){return Math.floor(this.hints.clientHeight/this.hints.firstChild.offsetHeight)||1}},t.registerHelper("hint","auto",{resolve:function(i,e){var n,o=i.getHelpers(e,"hint");if(o.length){var s=function(t,i,e){var n=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,o);!function o(s){if(s==n.length)return i(null);l(n[s],t,e,function(t){t&&t.list.length>0?i(t):o(s+1)})}(0)};return s.async=!0,s.supportsSelection=!0,s}return(n=i.getHelper(i.getCursor(),"hintWords"))?function(i){return t.hint.fromList(i,{words:n})}:t.hint.anyword?function(i,e){return t.hint.anyword(i,e)}:function(){}}}),t.registerHelper("hint","fromList",function(i,e){var n,o=i.getCursor(),s=i.getTokenAt(o),c=t.Pos(o.line,s.start),r=o;s.start<o.ch&&/\w/.test(s.string.charAt(o.ch-s.start-1))?n=s.string.substr(0,o.ch-s.start):(n="",c=o);for(var h=[],l=0;l<e.words.length;l++){var a=e.words[l];a.slice(0,n.length)==n&&h.push(a)}if(h.length)return{list:h,from:c,to:r}}),t.commands.autocomplete=t.showHint;var a={hint:t.hint.auto,completeSingle:!0,alignWithWord:!0,closeCharacters:/[\s()\[\]{};:>,]/,closeOnUnfocus:!0,completeOnSingleClick:!0,container:null,customKeys:null,extraKeys:null};t.defineOption("hintOptions",null)});