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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 | import { html, property, TemplateResult } from 'lit-element'; import { classMap } from 'lit-html/directives/class-map'; import { unsafeHTML } from 'lit-html/directives/unsafe-html'; import { RootElement, htmlElement } from '../../core'; import './style.scss'; @htmlElement(`input`) export class Input extends RootElement { @property({ type: String }) label = ''; @property({ type: String, reflect: true }) value = ''; @property({ type: String }) type = 'text'; @property({ type: String }) prefix = ''; @property({ type: String }) suffix = ''; @property({ type: String }) tips = ''; @property({ type: String }) placeholder = ''; @property({ type: Boolean }) required = false; @property({ type: String, attribute: 'required-message' }) requiredMessage = ''; @property({ type: Boolean }) disabled = false; @property({ type: Boolean }) isRequiredInvalid = false; @property({ type: String }) pattern = ''; @property({ type: String, attribute: 'pattern-message' }) patternMessage = ''; @property({ type: Boolean }) isPatternInvalid = false; @property({ type: Boolean }) validate = false; @property({ type: String }) feedbackMessage = ''; private emptyValue: boolean; public constructor() { super(); this.emptyValue = !this.value; } protected render(): TemplateResult { const htmlTipsClass = { col: this.label, 'text-right': this.label }; const inputClass = { 'form-control': true, 'is-invalid': this.isInvalid(), 'is-valid': this.isValid(), }; const feedbackClass = { col: true, 'text-right': true, 'invalid-feedback': this.isInvalid(), 'valid-feedback': this.isValid(), }; const colorFlagClass = { 'input-group-flag': true, 'input-group-flag-empty': !this.value, }; let htmlAdditionalMessage: TemplateResult = html``; if (this.feedbackMessage) { htmlAdditionalMessage = html` <div class="${classMap(feedbackClass)}">${this.feedbackMessage}</div> `; } else if (this.tips) { htmlAdditionalMessage = html` <small class="${classMap(htmlTipsClass)} form-text text-muted">${this.tips}</small> `; } return html` <div class="form-group"> ${this.ifShowHtml( !!this.label, html` <div class="row"> <label for="${this.ifAttr(!!this.id, `${this.id}-input`)}" class="col-md-auto">${unsafeHTML(this.label)}</label> ${htmlAdditionalMessage} </div> `, )} <div class="input-group"> ${this.prefix && html` <div class="input-group-prepend"> <span class="input-group-text">${this.prefix}</span> </div> `} <input id="${this.ifAttr(!!this.id, `${this.id}-input`)}" name="${this.ifAttr(!!this.id, `${this.id}-input`)}" type="${this.type === 'color-text' ? 'text' : this.type}" value="${this.value}" class="${classMap(inputClass)}" placeholder="${this.placeholder}" ?disabled=${this.disabled} ?required=${this.required} aria-label="${this.placeholder}" /> ${this.suffix && html` <div class="input-group-append"> <span class="input-group-text">${this.suffix}</span> </div> `} ${this.type === 'color-text' ? html` <div class="input-group-append"> <span class="input-group-text"> <span class="${classMap(colorFlagClass)}" style="background-color: ${this.value}"></span> </span> </div> ` : ``} </div> ${this.ifShowHtml(!this.label, htmlAdditionalMessage)} </div> `; } protected firstUpdated(): void { const eleInput = this.getElementsByTagName('input')[0]; if (this.validate) { this.checkInputValue(); } const fnCheck = (): void => { this.validate = true; this.checkInputValue(); }; eleInput.addEventListener('blur', fnCheck); eleInput.addEventListener('focus', fnCheck); eleInput.addEventListener('input', fnCheck); } public attributeChangedCallback(name: string, oldVal: string | null, newVal: string | null): void { if (name === 'value') { this.checkInputValue(); } super.attributeChangedCallback(name, oldVal, newVal); } private isInvalid(): boolean { if (!this.validate) { return false; } return (this.required && this.isRequiredInvalid) || (!!this.pattern && this.isPatternInvalid); } private isValid(): boolean { if ((!this.required && !this.pattern) || !this.validate) { return false; } return (this.required && !this.isRequiredInvalid) || (!this.emptyValue && !!this.pattern && !this.isPatternInvalid); } private checkInputValue(): void { const eleInput = this.getElementsByTagName('input')[0]; if (!eleInput) { return; } this.value = eleInput.value; this.isRequiredInvalid = false; this.isPatternInvalid = false; this.feedbackMessage = ''; this.emptyValue = !this.value; if (this.required) { if (!this.value || !this.value.trim()) { this.isRequiredInvalid = true; this.feedbackMessage = this.requiredMessage; } } if (this.value && this.pattern) { const re = new RegExp(this.pattern); if (!re.test(this.value)) { this.isPatternInvalid = true; this.feedbackMessage = this.patternMessage; } } } } |