101 lines
No EOL
2.9 KiB
JavaScript
101 lines
No EOL
2.9 KiB
JavaScript
/**
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* https://github.com/freeze-component/vue-popper
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* */
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import Popper from 'popper.js';
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export default {
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props: {
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placement: {
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type: String,
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default: 'bottom'
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},
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boundariesPadding: {
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type: Number,
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default: 5
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},
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reference: Object,
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popper: Object,
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offset: {
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default: 0
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},
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value: Boolean,
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transition: String,
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options: {
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type: Object,
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default () {
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return {
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gpuAcceleration: false,
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boundariesElement: 'body'
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}
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}
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},
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visible: {
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type: Boolean,
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default: false
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}
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},
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watch: {
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value: {
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immediate: true,
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handler(val) {
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this.visible = val;
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this.$emit('input', val);
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}
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},
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visible(val) {
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val ? this.updatePopper() : this.destroyPopper();
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this.$emit('input', val);
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}
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},
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methods: {
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createPopper() {
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if (!/^(top|bottom|left|right)(-start|-end)?$/g.test(this.placement)) {
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return;
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}
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const options = this.options;
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const popper = this.popper || this.$els.popper;
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const reference = this.reference || this.$els.reference;
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if (!popper || !reference) return;
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if (this.popperJS && this.popperJS.hasOwnProperty('destroy')) {
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this.popperJS.destroy();
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}
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options.placement = this.placement;
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options.offset = this.offset;
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this.popperJS = new Popper(reference, popper, options);
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this.popperJS.onCreate(popper => {
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this.resetTransformOrigin(popper);
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this.$nextTick(this.updatePopper);
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this.$emit('created', this);
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});
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},
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updatePopper() {
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this.popperJS ? this.popperJS.update() : this.createPopper();
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},
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doDestroy() {
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if (this.visible) return;
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this.popperJS.destroy();
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this.popperJS = null;
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},
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destroyPopper() {
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if (this.popperJS) {
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this.resetTransformOrigin(this.popperJS);
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}
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},
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resetTransformOrigin(popper) {
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let placementMap = {top: 'bottom', bottom: 'top', left: 'right', right: 'left'};
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let placement = popper._popper.getAttribute('x-placement').split('-')[0];
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let origin = placementMap[placement];
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popper._popper.style.transformOrigin = ['top', 'bottom'].indexOf(placement) > -1 ? `center ${ origin }` : `${ origin } center`;
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}
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},
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beforeDestroy() {
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if (this.popperJS) {
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this.popperJS.destroy();
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}
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}
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}; |