import { defineComponent, getCurrentInstance, ref, computed, watch, onMounted, openBlock, createElementBlock, normalizeClass, createElementVNode, normalizeStyle } from 'vue';
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import '../../../../utils/index.mjs';
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import '../../../../hooks/index.mjs';
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import { draggable } from '../utils/draggable.mjs';
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import _export_sfc from '../../../../_virtual/plugin-vue_export-helper.mjs';
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import { useNamespace } from '../../../../hooks/use-namespace/index.mjs';
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import { getClientXY } from '../../../../utils/dom/position.mjs';
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const _sfc_main = defineComponent({
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name: "ElColorHueSlider",
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props: {
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color: {
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type: Object,
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required: true
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},
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vertical: Boolean
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},
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setup(props) {
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const ns = useNamespace("color-hue-slider");
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const instance = getCurrentInstance();
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const thumb = ref();
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const bar = ref();
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const thumbLeft = ref(0);
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const thumbTop = ref(0);
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const hueValue = computed(() => {
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return props.color.get("hue");
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});
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watch(() => hueValue.value, () => {
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update();
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});
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function handleClick(event) {
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const target = event.target;
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if (target !== thumb.value) {
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handleDrag(event);
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}
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}
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function handleDrag(event) {
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if (!bar.value || !thumb.value)
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return;
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const el = instance.vnode.el;
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const rect = el.getBoundingClientRect();
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const { clientX, clientY } = getClientXY(event);
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let hue;
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if (!props.vertical) {
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let left = clientX - rect.left;
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left = Math.min(left, rect.width - thumb.value.offsetWidth / 2);
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left = Math.max(thumb.value.offsetWidth / 2, left);
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hue = Math.round((left - thumb.value.offsetWidth / 2) / (rect.width - thumb.value.offsetWidth) * 360);
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} else {
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let top = clientY - rect.top;
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top = Math.min(top, rect.height - thumb.value.offsetHeight / 2);
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top = Math.max(thumb.value.offsetHeight / 2, top);
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hue = Math.round((top - thumb.value.offsetHeight / 2) / (rect.height - thumb.value.offsetHeight) * 360);
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}
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props.color.set("hue", hue);
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}
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function getThumbLeft() {
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if (!thumb.value)
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return 0;
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const el = instance.vnode.el;
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if (props.vertical)
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return 0;
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const hue = props.color.get("hue");
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if (!el)
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return 0;
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return Math.round(hue * (el.offsetWidth - thumb.value.offsetWidth / 2) / 360);
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}
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function getThumbTop() {
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if (!thumb.value)
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return 0;
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const el = instance.vnode.el;
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if (!props.vertical)
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return 0;
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const hue = props.color.get("hue");
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if (!el)
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return 0;
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return Math.round(hue * (el.offsetHeight - thumb.value.offsetHeight / 2) / 360);
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}
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function update() {
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thumbLeft.value = getThumbLeft();
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thumbTop.value = getThumbTop();
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}
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onMounted(() => {
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if (!bar.value || !thumb.value)
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return;
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const dragConfig = {
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drag: (event) => {
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handleDrag(event);
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},
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end: (event) => {
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handleDrag(event);
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}
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};
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draggable(bar.value, dragConfig);
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draggable(thumb.value, dragConfig);
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update();
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});
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return {
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bar,
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thumb,
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thumbLeft,
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thumbTop,
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hueValue,
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handleClick,
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update,
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ns
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};
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}
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});
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function _sfc_render(_ctx, _cache, $props, $setup, $data, $options) {
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return openBlock(), createElementBlock("div", {
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class: normalizeClass([_ctx.ns.b(), _ctx.ns.is("vertical", _ctx.vertical)])
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}, [
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createElementVNode("div", {
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ref: "bar",
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class: normalizeClass(_ctx.ns.e("bar")),
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onClick: _cache[0] || (_cache[0] = (...args) => _ctx.handleClick && _ctx.handleClick(...args))
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}, null, 2),
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createElementVNode("div", {
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ref: "thumb",
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class: normalizeClass(_ctx.ns.e("thumb")),
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style: normalizeStyle({
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left: _ctx.thumbLeft + "px",
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top: _ctx.thumbTop + "px"
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})
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}, null, 6)
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], 2);
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}
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var HueSlider = /* @__PURE__ */ _export_sfc(_sfc_main, [["render", _sfc_render], ["__file", "/home/runner/work/element-plus/element-plus/packages/components/color-picker/src/components/hue-slider.vue"]]);
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export { HueSlider as default };
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//# sourceMappingURL=hue-slider.mjs.map
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