77 lines
2.9 KiB
TypeScript
77 lines
2.9 KiB
TypeScript
const { compare }= require('natural-orderby');
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const errors = require("./errors.js");
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import { SortingFields } from "./freeDatas2HTMLInterfaces";
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import { FreeDatas2HTML } from "./freeDatas2HTML";
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export class SortingField implements SortingFields
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{
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_converter: FreeDatas2HTML;
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_fieldsDOMSelector: string;
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_datasFieldNb: number;
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_order: "asc"|"desc"|undefined = undefined;
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// Injection de la classe principale, mais uniquement si le nom des champs ont été importés et affichés correctement
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constructor(converter: FreeDatas2HTML, datasFieldNb: number, fieldsDOMSelector: string = "th")
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{
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if(converter.fields === undefined)
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throw new Error(errors.sortingFieldNeedDatas);
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else if(! converter.checkFieldExist(Number(datasFieldNb)))
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throw new Error(errors.sortingFieldFieldNotFound);
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else
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{
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const fields=document.querySelectorAll(fieldsDOMSelector);
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if(fields === undefined)
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throw new Error(errors.sortingFieldsNotInHTML);
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else if(fields.length !== converter.fields.length)
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throw new Error(errors.sortingFieldsNbFail);
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else
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{
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this._converter=converter;
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this._datasFieldNb=datasFieldNb;
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this._fieldsDOMSelector= fieldsDOMSelector;
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}
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}
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}
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get fieldsDOMSelector() : string
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{
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return this._fieldsDOMSelector;
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}
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get datasFieldNb() : number
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{
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return this._datasFieldNb;
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}
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get order() : "asc"|"desc"|undefined
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{
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return this._order;
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}
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// Création du lien dans le HTML correspondant au champ de classement
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public field2HTML() : void
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{
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if(this._converter === undefined || this._fieldsDOMSelector === "" || this._datasFieldNb === undefined)
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throw new Error(errors.sortingField2HTMLFail);
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else
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{
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const fields=document.querySelectorAll(this._fieldsDOMSelector);
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let htmlContent=fields[this._datasFieldNb].innerHTML;
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htmlContent="<a href='#freeDatas2HTMLSorting"+this._datasFieldNb+"' id='freeDatas2HTMLSorting"+this._datasFieldNb+"'>"+htmlContent+"</a>";
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fields[this._datasFieldNb].innerHTML=htmlContent;
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const sortingElement=document.getElementById("freeDatas2HTMLSorting"+this._datasFieldNb), field=this;
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sortingElement!.addEventListener("click", function(e) // je sais que sortingElement existe, car je viens de le créer !
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{
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e.preventDefault();
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let order=field._order ;
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if(order === undefined || order === "desc")
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field._order="asc";
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else
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field._order="desc";
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field._converter.datasSortedField = field;
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field._converter.refreshView();
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});
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}
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}
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} |