element-plus/website/docs/en-US/color-picker.md
Xing.Wu 32449d67b8
feat(docs): ColorPicker code for composition (#2160)
Co-authored-by: 无星 <32910694@qq.com>
2021-06-08 13:29:56 +08:00

4.3 KiB

ColorPicker

ColorPicker is a color selector supporting multiple color formats.

Basic usage

:::demo ColorPicker requires a string typed variable to be bound to v-model.

<div class="block">
  <span class="demonstration">With default value</span>
  <el-color-picker v-model="color1"></el-color-picker>
</div>
<div class="block">
  <span class="demonstration">With no default value</span>
  <el-color-picker v-model="color2"></el-color-picker>
</div>

<script>
  export default {
    data() {
      return {
        color1: '#409EFF',
        color2: null
      }
    }
  };
</script>
<!--
<setup>

  import { defineComponent, ref } from 'vue';

  export default defineComponent({
    setup() {
      const color1 = ref('#409EFF');
      const color2 = ref(null);
      return {
        color1,
        color2,
      };
    },
  });

</setup>
-->

:::

Alpha

:::demo ColorPicker supports alpha channel selecting. To activate alpha selecting, just add the show-alpha attribute.

<el-color-picker v-model="color" show-alpha></el-color-picker>

<script>
  export default {
    data() {
      return {
        color: 'rgba(19, 206, 102, 0.8)'
      }
    }
  };
</script>
<!--
<setup>

  import { defineComponent, ref } from 'vue';

  export default defineComponent({
    setup() {
      const color = ref('rgba(19, 206, 102, 0.8)');
      return {
        color,
      };
    },
  });

</setup>
-->

:::

Predefined colors

:::demo ColorPicker supports predefined color options

<el-color-picker
  v-model="color"
  show-alpha
  :predefine="predefineColors">
</el-color-picker>

<script>
  export default {
    data() {
      return {
        color: 'rgba(255, 69, 0, 0.68)',
        predefineColors: [
          '#ff4500',
          '#ff8c00',
          '#ffd700',
          '#90ee90',
          '#00ced1',
          '#1e90ff',
          '#c71585',
          'rgba(255, 69, 0, 0.68)',
          'rgb(255, 120, 0)',
          'hsv(51, 100, 98)',
          'hsva(120, 40, 94, 0.5)',
          'hsl(181, 100%, 37%)',
          'hsla(209, 100%, 56%, 0.73)',
          '#c7158577'
        ]
      }
    }
  };
</script>
<!--
<setup>

  import { defineComponent, ref } from 'vue';

  export default defineComponent({
    setup() {
      const color = ref('rgba(255, 69, 0, 0.68)');
      const predefineColors = ref([
        '#ff4500',
        '#ff8c00',
        '#ffd700',
        '#90ee90',
        '#00ced1',
        '#1e90ff',
        '#c71585',
        'rgba(255, 69, 0, 0.68)',
        'rgb(255, 120, 0)',
        'hsv(51, 100, 98)',
        'hsva(120, 40, 94, 0.5)',
        'hsl(181, 100%, 37%)',
        'hsla(209, 100%, 56%, 0.73)',
        '#c7158577',
      ]);
      return {
        color,
        predefineColors,
      };
    },
  });

</setup>
-->

:::

Sizes

:::demo

<el-color-picker v-model="color"></el-color-picker>
<el-color-picker v-model="color" size="medium"></el-color-picker>
<el-color-picker v-model="color" size="small"></el-color-picker>
<el-color-picker v-model="color" size="mini"></el-color-picker>

<script>
  export default {
    data() {
      return {
        color: '#409EFF'
      }
    }
  };
</script>
<!--
<setup>

  import { defineComponent, ref } from 'vue';

  export default defineComponent({
    setup() {
      const color = ref('409EFF');

      return {
        color,
      };
    },
  });

</setup>
-->

:::

Attributes

Attribute Description Type Accepted Values Default
model-value / v-model binding value string
disabled whether to disable the ColorPicker boolean false
size size of ColorPicker string medium / small / mini
show-alpha whether to display the alpha slider boolean false
color-format color format of v-model string hsl / hsv / hex / rgb hex (when show-alpha is false)/ rgb (when show-alpha is true)
popper-class custom class name for ColorPicker's dropdown string
predefine predefined color options array

Events

Event Name Description Parameters
change triggers when input value changes color value
active-change triggers when the current active color changes active color value