353 lines
No EOL
9.2 KiB
JavaScript
353 lines
No EOL
9.2 KiB
JavaScript
// Mixins
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import Positionable from '../positionable';
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import Stackable from '../stackable';
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import Activatable from '../activatable'; // Utilities
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import mixins from '../../util/mixins';
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import { convertToUnit } from '../../util/helpers';
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const baseMixins = mixins(Stackable, Positionable, Activatable);
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/* @vue/component */
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export default baseMixins.extend().extend({
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name: 'menuable',
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props: {
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allowOverflow: Boolean,
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light: Boolean,
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dark: Boolean,
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maxWidth: {
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type: [Number, String],
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default: 'auto'
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},
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minWidth: [Number, String],
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nudgeBottom: {
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type: [Number, String],
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default: 0
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},
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nudgeLeft: {
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type: [Number, String],
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default: 0
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},
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nudgeRight: {
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type: [Number, String],
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default: 0
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},
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nudgeTop: {
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type: [Number, String],
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default: 0
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},
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nudgeWidth: {
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type: [Number, String],
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default: 0
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},
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offsetOverflow: Boolean,
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openOnClick: Boolean,
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positionX: {
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type: Number,
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default: null
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},
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positionY: {
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type: Number,
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default: null
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},
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zIndex: {
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type: [Number, String],
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default: null
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}
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},
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data: () => ({
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absoluteX: 0,
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absoluteY: 0,
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activatedBy: null,
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activatorFixed: false,
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activatorNode: null,
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dimensions: {
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activator: {
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top: 0,
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left: 0,
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bottom: 0,
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right: 0,
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width: 0,
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height: 0,
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offsetTop: 0,
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scrollHeight: 0,
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offsetLeft: 0
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},
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content: {
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top: 0,
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left: 0,
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bottom: 0,
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right: 0,
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width: 0,
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height: 0,
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offsetTop: 0,
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scrollHeight: 0
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}
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},
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hasJustFocused: false,
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hasWindow: false,
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inputActivator: false,
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isContentActive: false,
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pageWidth: 0,
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pageYOffset: 0,
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stackClass: 'v-menu__content--active',
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stackMinZIndex: 6
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}),
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computed: {
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computedLeft() {
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const a = this.dimensions.activator;
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const c = this.dimensions.content;
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const activatorLeft = (this.attach !== false ? a.offsetLeft : a.left) || 0;
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const minWidth = Math.max(a.width, c.width);
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let left = 0;
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left += this.left ? activatorLeft - (minWidth - a.width) : activatorLeft;
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if (this.offsetX) {
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const maxWidth = isNaN(Number(this.maxWidth)) ? a.width : Math.min(a.width, Number(this.maxWidth));
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left += this.left ? -maxWidth : a.width;
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}
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if (this.nudgeLeft) left -= parseInt(this.nudgeLeft);
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if (this.nudgeRight) left += parseInt(this.nudgeRight);
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return left;
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},
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computedTop() {
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const a = this.dimensions.activator;
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const c = this.dimensions.content;
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let top = 0;
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if (this.top) top += a.height - c.height;
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if (this.attach !== false) top += a.offsetTop;else top += a.top + this.pageYOffset;
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if (this.offsetY) top += this.top ? -a.height : a.height;
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if (this.nudgeTop) top -= parseInt(this.nudgeTop);
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if (this.nudgeBottom) top += parseInt(this.nudgeBottom);
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return top;
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},
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hasActivator() {
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return !!this.$slots.activator || !!this.$scopedSlots.activator || !!this.activator || !!this.inputActivator;
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}
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},
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watch: {
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disabled(val) {
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val && this.callDeactivate();
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},
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isActive(val) {
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if (this.disabled) return;
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val ? this.callActivate() : this.callDeactivate();
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},
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positionX: 'updateDimensions',
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positionY: 'updateDimensions'
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},
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beforeMount() {
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this.hasWindow = typeof window !== 'undefined';
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},
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methods: {
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absolutePosition() {
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return {
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offsetTop: 0,
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offsetLeft: 0,
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scrollHeight: 0,
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top: this.positionY || this.absoluteY,
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bottom: this.positionY || this.absoluteY,
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left: this.positionX || this.absoluteX,
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right: this.positionX || this.absoluteX,
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height: 0,
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width: 0
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};
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},
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activate() {},
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calcLeft(menuWidth) {
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return convertToUnit(this.attach !== false ? this.computedLeft : this.calcXOverflow(this.computedLeft, menuWidth));
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},
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calcTop() {
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return convertToUnit(this.attach !== false ? this.computedTop : this.calcYOverflow(this.computedTop));
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},
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calcXOverflow(left, menuWidth) {
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const xOverflow = left + menuWidth - this.pageWidth + 12;
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if ((!this.left || this.right) && xOverflow > 0) {
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left = Math.max(left - xOverflow, 0);
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} else {
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left = Math.max(left, 12);
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}
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return left + this.getOffsetLeft();
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},
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calcYOverflow(top) {
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const documentHeight = this.getInnerHeight();
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const toTop = this.pageYOffset + documentHeight;
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const activator = this.dimensions.activator;
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const contentHeight = this.dimensions.content.height;
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const totalHeight = top + contentHeight;
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const isOverflowing = toTop < totalHeight; // If overflowing bottom and offset
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// TODO: set 'bottom' position instead of 'top'
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if (isOverflowing && this.offsetOverflow && // If we don't have enough room to offset
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// the overflow, don't offset
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activator.top > contentHeight) {
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top = this.pageYOffset + (activator.top - contentHeight); // If overflowing bottom
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} else if (isOverflowing && !this.allowOverflow) {
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top = toTop - contentHeight - 12; // If overflowing top
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} else if (top < this.pageYOffset && !this.allowOverflow) {
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top = this.pageYOffset + 12;
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}
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return top < 12 ? 12 : top;
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},
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callActivate() {
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if (!this.hasWindow) return;
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this.activate();
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},
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callDeactivate() {
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this.isContentActive = false;
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this.deactivate();
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},
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checkForPageYOffset() {
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if (this.hasWindow) {
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this.pageYOffset = this.activatorFixed ? 0 : this.getOffsetTop();
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}
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},
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checkActivatorFixed() {
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if (this.attach !== false) return;
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let el = this.getActivator();
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while (el) {
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if (window.getComputedStyle(el).position === 'fixed') {
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this.activatorFixed = true;
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return;
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}
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el = el.offsetParent;
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}
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this.activatorFixed = false;
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},
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deactivate() {},
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genActivatorListeners() {
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const listeners = Activatable.options.methods.genActivatorListeners.call(this);
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const onClick = listeners.click;
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listeners.click = e => {
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if (this.openOnClick) {
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onClick && onClick(e);
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}
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this.absoluteX = e.clientX;
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this.absoluteY = e.clientY;
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};
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return listeners;
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},
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getInnerHeight() {
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if (!this.hasWindow) return 0;
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return window.innerHeight || document.documentElement.clientHeight;
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},
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getOffsetLeft() {
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if (!this.hasWindow) return 0;
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return window.pageXOffset || document.documentElement.scrollLeft;
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},
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getOffsetTop() {
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if (!this.hasWindow) return 0;
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return window.pageYOffset || document.documentElement.scrollTop;
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},
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getRoundedBoundedClientRect(el) {
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const rect = el.getBoundingClientRect();
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return {
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top: Math.round(rect.top),
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left: Math.round(rect.left),
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bottom: Math.round(rect.bottom),
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right: Math.round(rect.right),
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width: Math.round(rect.width),
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height: Math.round(rect.height)
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};
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},
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measure(el) {
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if (!el || !this.hasWindow) return null;
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const rect = this.getRoundedBoundedClientRect(el); // Account for activator margin
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if (this.attach !== false) {
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const style = window.getComputedStyle(el);
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rect.left = parseInt(style.marginLeft);
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rect.top = parseInt(style.marginTop);
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}
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return rect;
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},
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sneakPeek(cb) {
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requestAnimationFrame(() => {
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const el = this.$refs.content;
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if (!el || el.style.display !== 'none') {
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cb();
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return;
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}
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el.style.display = 'inline-block';
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cb();
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el.style.display = 'none';
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});
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},
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startTransition() {
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return new Promise(resolve => requestAnimationFrame(() => {
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this.isContentActive = this.hasJustFocused = this.isActive;
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resolve();
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}));
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},
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updateDimensions() {
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this.hasWindow = typeof window !== 'undefined';
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this.checkActivatorFixed();
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this.checkForPageYOffset();
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this.pageWidth = document.documentElement.clientWidth;
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const dimensions = {}; // Activator should already be shown
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if (!this.hasActivator || this.absolute) {
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dimensions.activator = this.absolutePosition();
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} else {
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const activator = this.getActivator();
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if (!activator) return;
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dimensions.activator = this.measure(activator);
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dimensions.activator.offsetLeft = activator.offsetLeft;
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if (this.attach !== false) {
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// account for css padding causing things to not line up
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// this is mostly for v-autocomplete, hopefully it won't break anything
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dimensions.activator.offsetTop = activator.offsetTop;
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} else {
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dimensions.activator.offsetTop = 0;
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}
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} // Display and hide to get dimensions
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this.sneakPeek(() => {
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dimensions.content = this.measure(this.$refs.content);
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this.dimensions = dimensions;
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});
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}
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}
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});
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//# sourceMappingURL=index.js.map
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