timmy revidoval tento gist 10 months ago. Přejít na revizi
Žádné změny
timmy revidoval tento gist 10 months ago. Přejít na revizi
Žádné změny
timmy revidoval tento gist 1 year ago. Přejít na revizi
1 file changed, 229 insertions
timeline_example.html(vytvořil soubor)
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| 1 | + | <!doctype html> | |
| 2 | + | <html lang="zh-Hant"> | |
| 3 | + | <head> | |
| 4 | + | <meta charset="UTF-8" /> | |
| 5 | + | <meta name="viewport" content="width=device-width, initial-scale=1.0" /> | |
| 6 | + | <title>年份時間軸 - Lit 元素</title> | |
| 7 | + | <style> | |
| 8 | + | body { | |
| 9 | + | font-family: "Microsoft JhengHei", Arial, sans-serif; | |
| 10 | + | background-color: #f0f0f0; | |
| 11 | + | padding: 20px; | |
| 12 | + | margin: 0; | |
| 13 | + | } | |
| 14 | + | </style> | |
| 15 | + | </head> | |
| 16 | + | <body> | |
| 17 | + | <timeline-element></timeline-element> | |
| 18 | + | ||
| 19 | + | <script type="module"> | |
| 20 | + | import { | |
| 21 | + | html, | |
| 22 | + | css, | |
| 23 | + | LitElement, | |
| 24 | + | } from "https://unpkg.com/lit@2.8.0?module"; | |
| 25 | + | ||
| 26 | + | class TimelineElement extends LitElement { | |
| 27 | + | static styles = css` | |
| 28 | + | :host { | |
| 29 | + | --timeline-width: 4px; | |
| 30 | + | --timeline-color: #ddd; | |
| 31 | + | --event-bg-color: #fff; | |
| 32 | + | --event-shadow: 0 3px 10px rgba(0, 0, 0, 0.1); | |
| 33 | + | --event-hover-shadow: 0 5px 15px rgba(0, 0, 0, 0.2); | |
| 34 | + | --dot-size: 16px; | |
| 35 | + | --dot-border-color: #4caf50; | |
| 36 | + | --dot-bg-color: #fff; | |
| 37 | + | --dot-hover-bg-color: #4caf50; | |
| 38 | + | ||
| 39 | + | display: block; | |
| 40 | + | max-width: 800px; | |
| 41 | + | margin: 0 auto; | |
| 42 | + | position: relative; | |
| 43 | + | } | |
| 44 | + | .timeline { | |
| 45 | + | display: flex; | |
| 46 | + | flex-direction: column; | |
| 47 | + | position: relative; | |
| 48 | + | } | |
| 49 | + | .timeline::before { | |
| 50 | + | content: ""; | |
| 51 | + | position: absolute; | |
| 52 | + | top: 0; | |
| 53 | + | left: 50%; | |
| 54 | + | width: var(--timeline-width); | |
| 55 | + | height: 100%; | |
| 56 | + | background-color: var(--timeline-color); | |
| 57 | + | transform: translateX(-50%); | |
| 58 | + | } | |
| 59 | + | @media (max-width: 768px) { | |
| 60 | + | .timeline::before { | |
| 61 | + | left: 30px; | |
| 62 | + | } | |
| 63 | + | } | |
| 64 | + | `; | |
| 65 | + | ||
| 66 | + | render() { | |
| 67 | + | return html` | |
| 68 | + | <div class="timeline" role="list"> | |
| 69 | + | ${this.events.map( | |
| 70 | + | (event, index) => html` | |
| 71 | + | <event-element | |
| 72 | + | .title=${event.title} | |
| 73 | + | .description=${event.description} | |
| 74 | + | ?is-odd=${index % 2 === 0} | |
| 75 | + | role="listitem" | |
| 76 | + | ></event-element> | |
| 77 | + | `, | |
| 78 | + | )} | |
| 79 | + | </div> | |
| 80 | + | `; | |
| 81 | + | } | |
| 82 | + | ||
| 83 | + | static properties = { | |
| 84 | + | events: { type: Array }, | |
| 85 | + | }; | |
| 86 | + | ||
| 87 | + | constructor() { | |
| 88 | + | super(); | |
| 89 | + | this.events = [ | |
| 90 | + | { title: "1989", description: "這是 1989 年的事件。" }, | |
| 91 | + | { title: "1995", description: "這是 1995 年的重要事件。" }, | |
| 92 | + | { title: "2001", description: "2001 年的事件發生了顯著影響。" }, | |
| 93 | + | { title: "2010", description: "2010 年的事件標誌著新的時代開始。" }, | |
| 94 | + | ]; | |
| 95 | + | } | |
| 96 | + | } | |
| 97 | + | ||
| 98 | + | class EventElement extends LitElement { | |
| 99 | + | static styles = css` | |
| 100 | + | :host { | |
| 101 | + | display: flex; | |
| 102 | + | width: 100%; | |
| 103 | + | margin: 20px 0; | |
| 104 | + | position: relative; | |
| 105 | + | justify-content: flex-end; | |
| 106 | + | } | |
| 107 | + | :host([is-odd]) { | |
| 108 | + | justify-content: flex-start; | |
| 109 | + | } | |
| 110 | + | .event-content { | |
| 111 | + | width: 40%; | |
| 112 | + | padding: 15px; | |
| 113 | + | background-color: var(--event-bg-color); | |
| 114 | + | border-radius: 10px; | |
| 115 | + | box-shadow: var(--event-shadow); | |
| 116 | + | position: relative; | |
| 117 | + | transition: all 0.3s ease; | |
| 118 | + | } | |
| 119 | + | :host([is-odd]) .event-content { | |
| 120 | + | margin-right: 1%; | |
| 121 | + | } | |
| 122 | + | :host(:not([is-odd])) .event-content { | |
| 123 | + | margin-left: 1%; | |
| 124 | + | } | |
| 125 | + | .event-content:hover { | |
| 126 | + | transform: translateY(-5px); | |
| 127 | + | box-shadow: var(--event-hover-shadow); | |
| 128 | + | } | |
| 129 | + | .event-content::before { | |
| 130 | + | content: ""; | |
| 131 | + | position: absolute; | |
| 132 | + | top: 20px; | |
| 133 | + | width: 0; | |
| 134 | + | height: 0; | |
| 135 | + | border-style: solid; | |
| 136 | + | transition: all 0.3s ease; | |
| 137 | + | } | |
| 138 | + | :host([is-odd]) .event-content::before { | |
| 139 | + | right: -10px; | |
| 140 | + | border-width: 10px 0 10px 10px; | |
| 141 | + | border-color: transparent transparent transparent var(--event-bg-color); | |
| 142 | + | } | |
| 143 | + | :host(:not([is-odd])) .event-content::before { | |
| 144 | + | left: -10px; | |
| 145 | + | border-width: 10px 10px 10px 0; | |
| 146 | + | border-color: transparent var(--event-bg-color) transparent transparent; | |
| 147 | + | } | |
| 148 | + | .event-content:hover::before { | |
| 149 | + | border-color: transparent transparent transparent #f8f8f8; | |
| 150 | + | } | |
| 151 | + | :host(:not([is-odd])) .event-content:hover::before { | |
| 152 | + | border-color: transparent #f8f8f8 transparent transparent; | |
| 153 | + | } | |
| 154 | + | h3 { | |
| 155 | + | margin-top: 0; | |
| 156 | + | color: #333; | |
| 157 | + | } | |
| 158 | + | :host::after { | |
| 159 | + | content: ""; | |
| 160 | + | position: absolute; | |
| 161 | + | top: 20px; | |
| 162 | + | width: var(--dot-size); | |
| 163 | + | height: var(--dot-size); | |
| 164 | + | background-color: var(--dot-bg-color); | |
| 165 | + | border: 4px solid var(--dot-border-color); | |
| 166 | + | border-radius: 50%; | |
| 167 | + | left: 50%; | |
| 168 | + | transform: translateX(-50%); | |
| 169 | + | transition: all 0.3s ease; | |
| 170 | + | } | |
| 171 | + | :host(:hover)::after { | |
| 172 | + | background-color: var(--dot-hover-bg-color); | |
| 173 | + | } | |
| 174 | + | @media (max-width: 768px) { | |
| 175 | + | :host, | |
| 176 | + | :host([is-odd]) { | |
| 177 | + | justify-content: flex-start; | |
| 178 | + | } | |
| 179 | + | .event-content { | |
| 180 | + | width: calc(100% - 60px); | |
| 181 | + | margin-left: 60px !important; | |
| 182 | + | margin-right: 0 !important; | |
| 183 | + | } | |
| 184 | + | :host::after { | |
| 185 | + | left: 30px; | |
| 186 | + | } | |
| 187 | + | .event-content::before { | |
| 188 | + | left: -10px !important; | |
| 189 | + | border-width: 10px 10px 10px 0 !important; | |
| 190 | + | border-color: transparent var(--event-bg-color) transparent transparent !important; | |
| 191 | + | } | |
| 192 | + | .event-content:hover::before { | |
| 193 | + | border-color: transparent #f8f8f8 transparent transparent !important; | |
| 194 | + | } | |
| 195 | + | } | |
| 196 | + | `; | |
| 197 | + | ||
| 198 | + | static properties = { | |
| 199 | + | title: { type: String }, | |
| 200 | + | description: { type: String }, | |
| 201 | + | isOdd: { type: Boolean, reflect: true, attribute: "is-odd" }, | |
| 202 | + | }; | |
| 203 | + | ||
| 204 | + | render() { | |
| 205 | + | return html` | |
| 206 | + | <div class="event-content" tabindex="0" @click=${this._handleClick}> | |
| 207 | + | <h3>${this.title}</h3> | |
| 208 | + | <p>${this.description}</p> | |
| 209 | + | </div> | |
| 210 | + | `; | |
| 211 | + | } | |
| 212 | + | ||
| 213 | + | _handleClick() { | |
| 214 | + | this.dispatchEvent(new CustomEvent('event-click', { | |
| 215 | + | bubbles: true, | |
| 216 | + | composed: true, | |
| 217 | + | detail: { | |
| 218 | + | title: this.title, | |
| 219 | + | description: this.description | |
| 220 | + | } | |
| 221 | + | })); | |
| 222 | + | } | |
| 223 | + | } | |
| 224 | + | ||
| 225 | + | customElements.define("timeline-element", TimelineElement); | |
| 226 | + | customElements.define("event-element", EventElement); | |
| 227 | + | </script> | |
| 228 | + | </body> | |
| 229 | + | </html> | |
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