|
|
@@ -0,0 +1,141 @@
|
|
|
+<template>
|
|
|
+ <view>
|
|
|
+ <view
|
|
|
+ id="_drag_button"
|
|
|
+ class="drag"
|
|
|
+ :style="'left: ' + left + 'px; top:' + top + 'px;'"
|
|
|
+ @touchstart="touchstart"
|
|
|
+ @touchmove.stop.prevent="touchmove"
|
|
|
+ @touchend="touchend"
|
|
|
+ @click.stop.prevent="click"
|
|
|
+ :class="{transition: isDock && !isMove }"
|
|
|
+ >
|
|
|
+ <slot></slot>
|
|
|
+ </view>
|
|
|
+ </view>
|
|
|
+</template>
|
|
|
+
|
|
|
+<script>
|
|
|
+ export default {
|
|
|
+ name: 'drag-button',
|
|
|
+ props: {
|
|
|
+ isDock:{
|
|
|
+ type: Boolean,
|
|
|
+ default: true
|
|
|
+ },
|
|
|
+ existTabBar:{
|
|
|
+ type: Boolean,
|
|
|
+ default: false
|
|
|
+ }
|
|
|
+ },
|
|
|
+ data() {
|
|
|
+ return {
|
|
|
+ top:1000,
|
|
|
+ left:1000,
|
|
|
+ width: 0,
|
|
|
+ height: 0,
|
|
|
+ offsetWidth: 0,
|
|
|
+ offsetHeight: 0,
|
|
|
+ windowWidth: 0,
|
|
|
+ windowHeight: 0,
|
|
|
+ isMove: false,
|
|
|
+ edge: 10,
|
|
|
+ }
|
|
|
+ },
|
|
|
+ mounted() {
|
|
|
+ const sys = uni.getSystemInfoSync();
|
|
|
+
|
|
|
+ this.windowWidth = sys.windowWidth;
|
|
|
+ this.windowHeight = sys.windowHeight;
|
|
|
+
|
|
|
+
|
|
|
+ this.existTabBar && (this.windowHeight -= 80);
|
|
|
+
|
|
|
+ if (sys.windowTop) {
|
|
|
+ this.windowHeight += sys.windowTop;
|
|
|
+ }
|
|
|
+ console.log(sys)
|
|
|
+
|
|
|
+ const query = uni.createSelectorQuery().in(this);
|
|
|
+ query.select('#_drag_button').boundingClientRect(data => {
|
|
|
+ this.width = data.width;
|
|
|
+ this.height = data.height;
|
|
|
+ this.offsetWidth = data.width / 2;
|
|
|
+ this.offsetHeight = data.height / 2;
|
|
|
+ this.left = this.windowWidth - this.width+4;
|
|
|
+ this.top = this.windowHeight - this.height - this.edge;
|
|
|
+ }).exec();
|
|
|
+ },
|
|
|
+ methods: {
|
|
|
+ click() {
|
|
|
+ this.$emit('btnClick');
|
|
|
+ },
|
|
|
+ touchstart(e) {
|
|
|
+ this.$emit('btnTouchstart');
|
|
|
+ },
|
|
|
+ touchmove(e) {
|
|
|
+ // 单指触摸
|
|
|
+ if (e.touches.length !== 1) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.isMove = true;
|
|
|
+
|
|
|
+ this.left = e.touches[0].clientX - this.offsetWidth;
|
|
|
+
|
|
|
+ let clientY = e.touches[0].clientY - this.offsetHeight;
|
|
|
+ // #ifdef H5
|
|
|
+ clientY += this.height;
|
|
|
+ // #endif
|
|
|
+ let edgeBottom = this.windowHeight - this.height - this.edge;
|
|
|
+
|
|
|
+ // 上下触及边界
|
|
|
+ if (clientY < this.edge) {
|
|
|
+ this.top = this.edge;
|
|
|
+ } else if (clientY > edgeBottom) {
|
|
|
+ this.top = edgeBottom;
|
|
|
+ } else {
|
|
|
+ this.top = clientY
|
|
|
+ }
|
|
|
+ },
|
|
|
+ touchend(e) {
|
|
|
+ if (this.isDock) {
|
|
|
+ let edgeRigth = this.windowWidth - this.width;
|
|
|
+
|
|
|
+ if (this.left < this.windowWidth / 2 - this.offsetWidth) {
|
|
|
+ this.left = -4;
|
|
|
+ } else {
|
|
|
+ this.left = edgeRigth+4;
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ this.isMove = false;
|
|
|
+
|
|
|
+ this.$emit('btnTouchend');
|
|
|
+ },
|
|
|
+ }
|
|
|
+ }
|
|
|
+</script>
|
|
|
+
|
|
|
+<style lang="scss">
|
|
|
+ .drag {
|
|
|
+ display: flex;
|
|
|
+ justify-content: center;
|
|
|
+ align-items: center;
|
|
|
+ // background-color: rgba(0, 0, 0, 0.5);
|
|
|
+ // box-shadow: 0 0 6upx rgba(0, 0, 0, 0.4);
|
|
|
+ // color: $uni-text-color-inverse;
|
|
|
+ min-width: 80upx;
|
|
|
+ min-height: 80upx;
|
|
|
+ // border-radius: 50%;
|
|
|
+ // font-size: $uni-font-size-sm;
|
|
|
+ position: fixed;
|
|
|
+ z-index: 999999;
|
|
|
+
|
|
|
+ &.transition {
|
|
|
+ transition: left .3s ease,top .3s ease;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+</style>
|
