| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | export async function muestraObjeto(raizHtml, objeto) { |
| 6 | for (const [nombre, definiciones] of Object.entries(objeto)) { |
| 7 | if (Array.isArray(definiciones)) { |
| 8 | muestraArray(raizHtml, nombre, definiciones) |
| 9 | } else if (definiciones !== undefined && definiciones !== null) { |
| 10 | const elementoHtml = buscaElementoHtml(raizHtml, nombre) |
| 11 | if (elementoHtml instanceof HTMLImageElement) { |
| 12 | await muestraImagen(raizHtml, elementoHtml, definiciones) |
| 13 | } else if (elementoHtml !== null) { |
| 14 | for (const [atributo, valor] of Object.entries(definiciones)) { |
| 15 | if (atributo in elementoHtml) { |
| 16 | elementoHtml[atributo] = valor |
| 17 | } |
| 18 | } |
| 19 | } |
| 20 | } |
| 21 | } |
| 22 | } |
| 23 | |
| 24 | window["muestraObjeto"] = muestraObjeto |
| 25 | |
| 26 | |
| 27 | |
| 28 | |
| 29 | |
| 30 | export function buscaElementoHtml(raizHtml, nombre) { |
| 31 | return raizHtml.querySelector( |
| 32 | `#${nombre},[name="${nombre}"],[data-name="${nombre}"]`) |
| 33 | } |
| 34 | |
| 35 | |
| 36 | |
| 37 | |
| 38 | |
| 39 | |
| 40 | function muestraArray(raizHtml, propiedad, valores) { |
| 41 | const conjunto = new Set(valores) |
| 42 | const elementos = |
| 43 | raizHtml.querySelectorAll(`[name="${propiedad}"],[data-name="${propiedad}"]`) |
| 44 | if (elementos.length === 1) { |
| 45 | const elemento = elementos[0] |
| 46 | if (elemento instanceof HTMLSelectElement) { |
| 47 | const options = elemento.options |
| 48 | for (let i = 0, len = options.length; i < len; i++) { |
| 49 | const option = options[i] |
| 50 | option.selected = conjunto.has(option.value) |
| 51 | } |
| 52 | return |
| 53 | } |
| 54 | } |
| 55 | for (let i = 0, len = elementos.length; i < len; i++) { |
| 56 | const elemento = elementos[i] |
| 57 | if (elemento instanceof HTMLInputElement) { |
| 58 | elemento.checked = conjunto.has(elemento.value) |
| 59 | } |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | |
| 64 | |
| 65 | |
| 66 | |
| 67 | |
| 68 | async function muestraImagen(raizHtml, img, definiciones) { |
| 69 | const input = getInputParaElementoHtml(raizHtml, img) |
| 70 | const src = definiciones.src |
| 71 | if (src !== undefined) { |
| 72 | img.dataset.inicial = src |
| 73 | if (input === null) { |
| 74 | img.src = src |
| 75 | if (src === "") { |
| 76 | img.hidden = true |
| 77 | } else { |
| 78 | img.hidden = false |
| 79 | } |
| 80 | } else { |
| 81 | const dataUrl = await getDataUrlDeSeleccion(input) |
| 82 | if (dataUrl !== "") { |
| 83 | img.hidden = false |
| 84 | img.src = dataUrl |
| 85 | } else if (src === "") { |
| 86 | img.src = "" |
| 87 | img.hidden = true |
| 88 | } else { |
| 89 | img.src = src |
| 90 | img.hidden = false |
| 91 | } |
| 92 | } |
| 93 | } |
| 94 | for (const [atributo, valor] of Object.entries(definiciones)) { |
| 95 | if (atributo !== "src" && atributo in img) { |
| 96 | img[atributo] = valor |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | |
| 102 | |
| 103 | |
| 104 | export function getArchivoSeleccionado(input) { |
| 105 | const seleccion = input.files |
| 106 | if (seleccion === null || seleccion.length === 0) { |
| 107 | return null |
| 108 | } else { |
| 109 | return seleccion.item(0) |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | window["getArchivoSeleccionado"] = getArchivoSeleccionado |
| 114 | |
| 115 | |
| 116 | |
| 117 | |
| 118 | |
| 119 | |
| 120 | export function getDataUrlDeSeleccion(input) { |
| 121 | return new Promise((resolve, reject) => { |
| 122 | try { |
| 123 | const seleccion = getArchivoSeleccionado(input) |
| 124 | if (seleccion === null) { |
| 125 | resolve("") |
| 126 | } else { |
| 127 | const reader = new FileReader() |
| 128 | reader.onload = () => { |
| 129 | const dataUrl = reader.result |
| 130 | if (typeof dataUrl === "string") { |
| 131 | resolve(dataUrl) |
| 132 | } else { |
| 133 | resolve("") |
| 134 | } |
| 135 | } |
| 136 | reader.onerror = () => reject(reader.error) |
| 137 | reader.readAsDataURL(seleccion) |
| 138 | } |
| 139 | } catch (error) { |
| 140 | resolve(error) |
| 141 | } |
| 142 | }) |
| 143 | } |
| 144 | |
| 145 | window["getDataUrlDeSeleccion"] = getDataUrlDeSeleccion |
| 146 | |
| 147 | |
| 148 | |
| 149 | |
| 150 | |
| 151 | export function getInputParaElementoHtml(raizHtml, elementoHtml) { |
| 152 | const inputId = elementoHtml.getAttribute("data-input") |
| 153 | if (inputId === null) { |
| 154 | return null |
| 155 | } else { |
| 156 | const input = buscaElementoHtml(raizHtml, inputId) |
| 157 | if (input instanceof HTMLInputElement) { |
| 158 | return input |
| 159 | } else { |
| 160 | return null |
| 161 | } |
| 162 | } |
| 163 | } |