mirror of
https://github.com/apache/skywalking-booster-ui.git
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129 lines
3.5 KiB
TypeScript
129 lines
3.5 KiB
TypeScript
/**
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { ref, computed } from "vue";
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export const adjustPercentValue = (value: number) => {
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if (value <= 0) {
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return 0;
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}
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if (value >= 100) {
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return 100;
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}
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return value;
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};
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const calculateX = ({
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parentRect,
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x,
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opositeX,
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isSmallerThanOpositeX,
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}: {
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parentRect: DOMRect;
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x: number;
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opositeX: number;
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isSmallerThanOpositeX: boolean;
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}) => {
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let value = ((x - parentRect.left) / (parentRect.right - parentRect.left)) * 100;
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if (isSmallerThanOpositeX) {
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if (value >= opositeX) {
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value = opositeX - 1;
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}
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} else if (value <= opositeX) {
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value = opositeX + 1;
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}
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return adjustPercentValue(value);
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};
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export const useRangeTimestampHandler = ({
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rootEl,
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minTimestamp,
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maxTimestamp,
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selectedTimestamp,
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isSmallerThanOpositeX,
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setTimestamp,
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}: {
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rootEl: SVGSVGElement | null;
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minTimestamp: number;
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maxTimestamp: number;
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selectedTimestamp: number;
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isSmallerThanOpositeX: boolean;
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setTimestamp: (value: number) => void;
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}) => {
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const currentX = ref<number>();
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const mouseDownX = ref<number>();
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const isDragging = ref(false);
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const selectedTimestampComputed = ref(selectedTimestamp);
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const opositeX = computed(() => {
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return ((selectedTimestampComputed.value - minTimestamp) / (maxTimestamp - minTimestamp)) * 100;
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});
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const onMouseMove = (e: MouseEvent) => {
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if (!rootEl) {
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return;
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}
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const x = calculateX({
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parentRect: rootEl.getBoundingClientRect(),
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x: e.pageX,
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opositeX: opositeX.value,
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isSmallerThanOpositeX,
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});
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currentX.value = x;
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};
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const onMouseUp = (e: MouseEvent) => {
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if (!rootEl) {
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return;
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}
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const x = calculateX({
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parentRect: rootEl.getBoundingClientRect(),
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x: e.pageX,
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opositeX: opositeX.value,
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isSmallerThanOpositeX,
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});
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const timestamp = (x / 100) * (maxTimestamp - minTimestamp) + minTimestamp;
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selectedTimestampComputed.value = timestamp;
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setTimestamp(timestamp);
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currentX.value = undefined;
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mouseDownX.value = undefined;
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isDragging.value = false;
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document.removeEventListener("mousemove", onMouseMove);
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document.removeEventListener("mouseup", onMouseUp);
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};
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const onMouseDown = (e: MouseEvent) => {
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if (!rootEl) {
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return;
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}
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const x = calculateX({
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parentRect: rootEl.getBoundingClientRect(),
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x: (e.currentTarget as SVGRectElement).getBoundingClientRect().x + 3,
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opositeX: opositeX.value,
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isSmallerThanOpositeX,
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});
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currentX.value = x;
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mouseDownX.value = x;
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isDragging.value = true;
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document.addEventListener("mousemove", onMouseMove);
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document.addEventListener("mouseup", onMouseUp);
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};
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return { currentX, mouseDownX, onMouseDown, isDragging };
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};
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