Fixed #212 - New Component: Galleria

pull/256/head
mertsincan 2020-03-31 16:26:04 +03:00
parent 1654bbf28b
commit cf70b083a7
6 changed files with 1188 additions and 0 deletions

36
src/components/galleria/Galleria.d.ts vendored Normal file
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import Vue, {VNode} from 'vue';
export declare class Galleria extends Vue {
id?: string;
value?: any;
activeItemIndex?: number;
fullScreen?: boolean;
visible?: boolean;
numVisible?: number;
responsiveOptions?: any[];
showPreviewNavButtons?: boolean;
showThumbnailNavButtons?: boolean;
showNavButtonsOnPreviewHover?: boolean;
changePreviewOnIndicatorHover?: boolean;
circular?: boolean;
autoPlay?: boolean;
transitionInterval?: number;
showThumbnails?: boolean;
thumbnailsPosition?: string;
verticalThumbnailViewPortHeight?: string;
showIndicators?: boolean;
showIndicatorsOnPreview?: boolean;
indicatorsPosition?: string;
baseZIndex?: number;
maskClass?: string;
galleriaStyle?: string;
galleriaClass?: string;
$slots: {
header: VNode[];
footer: VNode[];
previewItem: VNode[];
previewCaption: VNode[];
indicator: VNode[];
thumbnailItem: VNode[];
}
}

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<template>
<div v-if="fullScreen && visible" ref="mask" :class="maskContentClass">
<GalleriaContent v-bind="$props" @maskHide="maskHide" :templates="$scopedSlots" @activeItemChange="onActiveItemChange" />
</div>
<GalleriaContent v-else-if="!fullScreen" v-bind="$props" :templates="$scopedSlots" @activeItemChange="onActiveItemChange" />
</template>
<script>
import GalleriaContent from './GalleriaContent';
import DomHandler from '../utils/DomHandler';
export default {
inheritAttrs: false,
props: {
id: {
type: String,
default: null
},
value: {
type: Array,
default: null
},
activeItemIndex: {
type: Number,
default: 0
},
fullScreen: {
type: Boolean,
default: false
},
visible: {
type: Boolean,
default: false
},
numVisible: {
type: Number,
default: 3
},
responsiveOptions: {
type: Array,
default: null
},
showPreviewNavButtons: {
type: Boolean,
default: false
},
showThumbnailNavButtons: {
type: Boolean,
default: true
},
showNavButtonsOnPreviewHover: {
type: Boolean,
default: false
},
changePreviewOnIndicatorHover: {
type: Boolean,
default: false
},
circular: {
type: Boolean,
default: false
},
autoPlay: {
type: Boolean,
default: false
},
transitionInterval: {
type: Number,
default: 4000
},
showThumbnails: {
type: Boolean,
default: true
},
thumbnailsPosition: {
type: String,
default: "bottom"
},
verticalThumbnailViewPortHeight: {
type: String,
default: "300px"
},
showIndicators: {
type: Boolean,
default: false
},
showIndicatorsOnPreview: {
type: Boolean,
default: false
},
indicatorsPosition: {
type: String,
default: "bottom"
},
baseZIndex: {
type: Number,
default: 0
},
maskClass: {
type: String,
default: null
},
galleriaStyle: {
type: String,
default: null
},
galleriaClass: {
type: String,
default: null
}
},
updated() {
this.removeStylesFromMask();
if (this.fullScreen) {
if (this.visible) {
DomHandler.addClass(document.body, 'p-overflow-hidden');
if (this.$refs.mask) {
this.$refs.mask.style.zIndex = String(this.baseZIndex + DomHandler.generateZIndex());
}
}
else {
DomHandler.removeClass(document.body, 'p-overflow-hidden');
}
}
},
mounted() {
this.removeStylesFromMask();
},
beforeDestroy() {
if (this.fullScreen) {
DomHandler.removeClass(document.body, 'p-overflow-hidden');
}
},
methods: {
onActiveItemChange(index) {
if (this.activeItemIndex !== index) {
this.$emit('update:activeItemIndex', index);
}
},
maskHide() {
this.$emit('update:visible', false);
},
removeStylesFromMask() {
if (this.$refs.mask) {
this.galleriaStyles = this.$vnode.data.style || this.$vnode.data.staticStyle;
if (this.galleriaStyles) {
Object.keys(this.galleriaStyles).forEach((key) => {
this.$refs.mask.style[key] = '';
});
}
this.galleriaClasses = this.$vnode.data.class || this.$vnode.data.staticClass;
if (this.galleriaClasses) {
this.$refs.mask.classList = 'p-galleria-mask p-component-overlay' + (this.visible && ' p-galleria-visible');
}
}
}
},
computed: {
maskContentClass() {
return ['p-galleria-mask p-component-overlay', {
'p-galleria-visible': this.visible
}, this.maskClass];
}
},
components: {
'GalleriaContent': GalleriaContent
}
}
</script>
<style>
.p-galleria-content {
display: flex;
flex-direction: column;
}
/* Preview */
.p-galleria-preview-content {
display: flex;
flex-direction: column;
position: relative;
width: 100%;
height: 100%;
}
.p-galleria-preview-container {
position: relative;
display: flex;
width: 100%;
height: 100%;
}
.p-galleria-preview-container .p-galleria-preview-nav-button {
height: 3em;
position: absolute;
top: 50%;
margin-top: -1.5em;
z-index: 1;
}
.p-galleria-preview-prev {
left: .5em;
}
.p-galleria-preview-next {
right: .5em;
}
.p-galleria-preview-prev span,
.p-galleria-preview-next span {
font-size: 2em;
}
.p-galleria-preview-items-content {
display: flex;
justify-content: center;
align-items: center;
height: 100%;
width: 100%;
}
.p-galleria-preview-nav-onhover .p-galleria-preview-content .p-galleria-preview-nav-button {
pointer-events: none;
opacity: 0;
transition: opacity .2s ease-in-out;
}
.p-galleria-preview-nav-onhover .p-galleria-preview-content:hover .p-galleria-preview-nav-button {
pointer-events: all;
opacity: 1;
}
.p-galleria-preview-nav-onhover .p-galleria-preview-content:hover .p-galleria-preview-nav-button.p-disabled {
pointer-events: none;
opacity: .5;
}
.p-galleria-preview-caption {
position: absolute;
bottom: 0;
left: 0;
padding: 1em;
width: 100%;
}
.p-galleria .p-galleria-indicator-container {
display: flex;
flex-direction: row;
align-items: center;
justify-content: center;
padding: .2em;
}
/* Thumbnails */
.p-galleria-thumbnail-content {
display: flex;
flex-direction: column;
flex-wrap: nowrap;
overflow: auto;
flex-shrink: 0;
}
.p-galleria-thumbnail-prev,
.p-galleria-thumbnail-next {
align-self: center;
text-align: center;
flex-grow: 0;
flex-shrink: 0;
width: 2.5em;
height: 2.5em;
}
.p-galleria-thumbnail-prev span,
.p-galleria-thumbnail-next span {
width: 100%;
display: flex;
justify-content: center;
align-items: center;
}
.p-galleria-thumbnail-container {
display: flex;
flex-direction: row;
padding: 0 .1em;
}
.p-galleria-thumbnail-items-content {
overflow: hidden;
width: 100%;
}
.p-galleria-thumbnail-items-container {
display: flex;
flex-wrap: nowrap;
flex-direction: row;
}
.p-galleria-thumbnail-items-container .p-galleria-thumbnail-item {
width: 100%;
box-sizing: border-box;
overflow: auto;
display: flex;
align-items: center;
justify-content: center;
}
.p-galleria-thumbnail-item .p-galleria-thumbnail-item-content {
margin: .3em;
cursor: pointer;
}
/* Indicators */
.p-galleria-indicator-onpreview .p-galleria-indicator-container {
position: absolute;
z-index: 1;
}
.p-galleria-indicator-onpreview.p-galleria-indicators-top .p-galleria-indicator-container {
top: 1em;
left: 0;
width: 100%;
}
.p-galleria-indicator-onpreview.p-galleria-indicators-right .p-galleria-indicator-container {
right: 1em;
top: 0;
height: 100%;
}
.p-galleria-indicator-onpreview.p-galleria-indicators-bottom .p-galleria-indicator-container {
bottom: 1em;
left: 0;
width: 100%;
}
.p-galleria-indicator-onpreview.p-galleria-indicators-left .p-galleria-indicator-container {
left: 1em;
top: 0;
height: 100%;
}
.p-galleria-indicator-onpreview.p-galleria-indicators-left .p-galleria-preview-caption,
.p-galleria-indicator-onpreview.p-galleria-indicators-right .p-galleria-preview-caption {
width: calc(100% - 4em);
}
.p-galleria-indicator-onpreview.p-galleria-indicators-right .p-galleria-preview-caption,
.p-galleria-indicator-onpreview.p-galleria-indicators-right .p-galleria-preview-next {
right: 4em;
}
.p-galleria-indicator-onpreview.p-galleria-indicators-left .p-galleria-preview-caption,
.p-galleria-indicator-onpreview.p-galleria-indicators-left .p-galleria-preview-prev {
left: 4em;
}
/* Positions */
/* Thumbnails */
.p-galleria-thumbnails-left .p-galleria-content,
.p-galleria-thumbnails-right .p-galleria-content {
flex-direction: row;
align-items: center;
}
.p-galleria-thumbnails-left .p-galleria-content .p-galleria-preview-content,
.p-galleria-thumbnails-right .p-galleria-content .p-galleria-preview-content {
flex-direction: row;
}
.p-galleria-thumbnails-left .p-galleria-content .p-galleria-preview-content,
.p-galleria-thumbnails-top .p-galleria-content .p-galleria-preview-content {
order: 2;
}
.p-galleria-thumbnails-left .p-galleria-content .p-galleria-thumbnail-content,
.p-galleria-thumbnails-top .p-galleria-content .p-galleria-thumbnail-content {
order: 1;
}
.p-galleria-thumbnails-left .p-galleria-content .p-galleria-thumbnail-container,
.p-galleria-thumbnails-right .p-galleria-content .p-galleria-thumbnail-container {
flex-direction: column;
}
.p-galleria-thumbnails-left .p-galleria-content .p-galleria-thumbnail-items-container,
.p-galleria-thumbnails-right .p-galleria-content .p-galleria-thumbnail-items-container {
flex-direction: column;
height: 100%;
}
/* Indicators */
.p-galleria-indicators-left .p-galleria-preview-content,
.p-galleria-indicators-right .p-galleria-preview-content {
flex-direction: row;
align-items: center;
}
.p-galleria-indicators-left .p-galleria-preview-content .p-galleria-preview-container,
.p-galleria-indicators-top .p-galleria-preview-content .p-galleria-preview-container {
order: 2;
}
.p-galleria-indicators-left .p-galleria-preview-content .p-galleria-indicator-container,
.p-galleria-indicators-top .p-galleria-preview-content .p-galleria-indicator-container {
order: 1;
}
.p-galleria-indicators-left .p-galleria-preview-content .p-galleria-indicator-container,
.p-galleria-indicators-right .p-galleria-preview-content .p-galleria-indicator-container {
flex-direction: column;
}
/* FullScreen */
.p-galleria-mask {
display: flex;
align-items: center;
justify-content: center;
position: fixed;
}
.p-galleria-mask .p-galleria {
max-height: 90%;
max-width: calc(90% - 8em);
}
.p-galleria-close {
position: absolute;
top: 0;
right: 0;
margin: .5em;
}
.p-galleria-close span {
font-size: 3em;
}
.p-galleria-mask .p-galleria .p-galleria-preview-nav-button {
position: fixed;
top: 50%;
height: 20em;
width: 4em;
margin-top: -10em;
}
.p-galleria-mask .p-galleria .p-galleria-preview-prev {
left: 0;
}
.p-galleria-mask .p-galleria .p-galleria-preview-next {
right: 0;
}
/* Keyboard Support */
.p-items-hidden .p-galleria-thumbnail-item {
visibility: hidden;
}
.p-items-hidden .p-galleria-thumbnail-item.p-galleria-thumbnail-item-active {
visibility: visible;
}
</style>

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<template>
<div :id="id" v-if="$attrs.value && $attrs.value.length > 0" :class="galleriaClass" :style="$attrs.galleriaStyle">
<button v-if="$attrs.fullScreen" type="button" class="p-galleria-close p-link" @click="$emit('maskHide')">
<span class="p-galleria-close-icon pi pi-times"></span>
</button>
<div v-if="$attrs.templates && $attrs.templates['header']" class="p-galleria-header">
<GalleriaItemSlot type="header" :templates="$attrs.templates"/>
</div>
<div class="p-galleria-content">
<GalleriaPreview :value="$attrs.value" :activeItemIndex.sync="activeItemIndex" :circular="$attrs.circular" :templates="$attrs.templates"
:showIndicators="$attrs.showIndicators" :changePreviewOnIndicatorHover="$attrs.changePreviewOnIndicatorHover"
:showPreviewNavButtons="$attrs.showPreviewNavButtons" :autoPlay="$attrs.autoPlay" :slideShowActive.sync="slideShowActive"
@startSlideShow="startSlideShow" @stopSlideShow="stopSlideShow" />
<GalleriaThumbnails v-if="$attrs.showThumbnails" :containerId="id" :value="$attrs.value" :activeItemIndex.sync="activeItemIndex" :templates="$attrs.templates"
:numVisible="$attrs.numVisible" :responsiveOptions="$attrs.responsiveOptions" :circular="$attrs.circular"
:isVertical="isVertical()" :contentHeight="$attrs.verticalThumbnailViewPortHeight" :showThumbnailNavButtons="$attrs.showThumbnailNavButtons"
:slideShowActive.sync="slideShowActive" @stopSlideShow="stopSlideShow" />
</div>
<div v-if="$attrs.templates && $attrs.templates['footer']" class="p-galleria-footer">
<GalleriaItemSlot type="footer" :templates="$attrs.templates"/>
</div>
</div>
</template>
<script>
import UniqueComponentId from '../utils/UniqueComponentId';
import GalleriaPreview from './GalleriaPreview';
import GalleriaThumbnails from './GalleriaThumbnails';
import GalleriaItemSlot from './GalleriaItemSlot';
export default {
inheritAttrs: false,
interval: null,
data() {
return {
id: this.$attrs.id || UniqueComponentId(),
activeItemIndex: this.$attrs.activeItemIndex,
slideShowActive: false
}
},
watch: {
'$attrs.activeItemIndex': function(newVal) {
this.activeItemIndex = newVal;
}
},
updated() {
this.$emit('activeItemChange', this.activeItemIndex);
},
beforeDestroy() {
if (this.slideShowActive) {
this.stopSlideShow();
}
},
methods: {
isAutoPlayActive() {
return this.slideShowActive;
},
startSlideShow() {
this.interval = setInterval(() => {
let activeIndex = (this.$attrs.circular && (this.$attrs.value.length - 1) === this.activeItemIndex) ? 0 : (this.activeItemIndex + 1);
this.activeItemIndex = activeIndex;
}, this.$attrs.transitionInterval);
this.slideShowActive = true;
},
stopSlideShow() {
if (this.interval) {
clearInterval(this.interval);
}
this.slideShowActive = false;
},
getPositionClass(preClassName, position) {
const positions = ['top', 'left', 'bottom', 'right'];
const pos = positions.find(item => item === position);
return pos ? `${preClassName}-${pos}` : '';
},
isVertical() {
return this.$attrs.thumbnailsPosition === 'left' || this.$attrs.thumbnailsPosition === 'right';
}
},
computed: {
galleriaClass() {
const thumbnailsPosClass = this.$attrs.showThumbnails && this.getPositionClass('p-galleria-thumbnails', this.$attrs.thumbnailsPosition);
const indicatorPosClass = this.$attrs.showIndicators && this.getPositionClass('p-galleria-indicators', this.$attrs.indicatorsPosition);
return ['p-galleria p-component', {
'p-galleria-fullscreen': this.$attrs.fullScreen,
'p-galleria-indicator-onpreview': this.$attrs.showIndicatorsOnPreview,
'p-galleria-preview-nav-onhover': this.$attrs.showNavButtonsOnPreviewHover && !this.$attrs.fullScreen
}, thumbnailsPosClass, indicatorPosClass, this.$attrs.galleriaClass]
}
},
components: {
'GalleriaPreview': GalleriaPreview,
'GalleriaThumbnails': GalleriaThumbnails,
'GalleriaItemSlot': GalleriaItemSlot
}
}
</script>

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<script>
export default {
functional: true,
props: {
item: {
type: null,
default: null
},
index: {
type: Number,
default: 0
},
templates: {
type: null,
default: null
},
type: {
type: String,
default: null
}
},
render(createElement, context) {
const { item, index, templates, type } = context.props;
const template = templates && templates[type];
if (template) {
let content;
switch(type) {
case 'previewItem':
case 'previewCaption':
case 'thumbnailItem':
content = template({
item
});
break;
case 'indicator':
content = template({
index
});
break;
default:
content = template({});
break;
}
return content ? [content] : null;
}
return null;
}
}
</script>

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<template>
<div class="p-galleria-preview-content">
<div class="p-galleria-preview-container">
<button v-if="showPreviewNavButtons" type="button" :class="navBackwardClass" @click="navBackward($event)" :disabled="isNavBackwardDisabled()">
<span class="p-galleria-preview-prev-icon pi pi-chevron-left"></span>
</button>
<div class="p-galleria-preview-items-content">
<GalleriaItemSlot type="previewItem" :item="activeItem" :templates="templates" />
</div>
<button v-if="showPreviewNavButtons" type="button" :class="navForwardClass" @click="navForward($event)" :disabled="isNavForwardDisabled()">
<span class="p-galleria-preview-next-icon pi pi-chevron-right"></span>
</button>
<div class="p-galleria-preview-caption">
<GalleriaItemSlot type="previewCaption" :item="activeItem" :templates="templates" />
</div>
</div>
<ul v-if="showIndicators" class="p-galleria-indicator-container p-reset">
<li v-for="(item, index) of value" :key="`p-galleria-indicator-${index}`" tabindex="0"
@click="onIndicatorClick(index)" @mouseenter="onIndicatorMouseEnter(index)" @keydown.enter="onIndicatorKeyDown(index)"
:class="['p-galleria-indicator-item', {'p-highlight': isIndicatorItemActive(index)}]">
<button type="button" tabIndex="-1" class="p-link" v-if="!templates['indicator']">
<span :class="['p-galleria-indicator-icon pi', {
'pi-circle-on': isIndicatorItemActive(index),
'pi-circle-off': !isIndicatorItemActive(index)}]" />
</button>
<GalleriaItemSlot type="indicator" :index="index" :templates="templates" />
</li>
</ul>
</div>
</template>
<script>
import GalleriaItemSlot from './GalleriaItemSlot';
export default {
props: {
circular: {
type: Boolean,
default: false
},
activeItemIndex: {
type: Number,
default: 0
},
value: {
type: Array,
default: null
},
showPreviewNavButtons: {
type: Boolean,
default: true
},
showIndicators: {
type: Boolean,
default: true
},
slideShowActive: {
type: Boolean,
default: true
},
changePreviewOnIndicatorHover: {
type: Boolean,
default: true
},
autoPlay: {
type: Boolean,
default: false
},
templates: {
type: null,
default: null
}
},
mounted() {
if (this.autoPlay) {
this.$emit('startSlideShow');
}
},
methods: {
next() {
let nextItemIndex = this.activeItemIndex + 1;
let activeIndex = this.circular && this.value.length - 1 === this.activeItemIndex
? 0
: nextItemIndex;
this.$emit('update:activeItemIndex', activeIndex);
},
prev() {
let prevItemIndex = this.activeItemIndex !== 0 ? this.activeItemIndex - 1 : 0;
let activeIndex = this.circular && this.activeItemIndex === 0
? this.value.length - 1
: prevItemIndex
this.$emit('update:activeItemIndex', activeIndex);
},
stopSlideShow() {
if (this.slideShowActive && this.stopSlideShow) {
this.$emit('stopSlideShow');
}
},
navBackward(e) {
this.stopSlideShow();
this.prev();
if (e && e.cancelable) {
e.preventDefault();
}
},
navForward(e) {
this.stopSlideShow();
this.next();
if (e && e.cancelable) {
e.preventDefault();
}
},
onIndicatorClick(index) {
this.stopSlideShow();
this.$emit('update:activeItemIndex', index);
},
onIndicatorMouseEnter(index) {
if (this.changePreviewOnIndicatorHover) {
this.stopSlideShow();
this.$emit('update:activeItemIndex', index);
}
},
onIndicatorKeyDown(index) {
this.stopSlideShow();
this.$emit('update:activeItemIndex', index);
},
isIndicatorItemActive(index) {
return this.activeItemIndex === index;
},
isNavBackwardDisabled() {
return !this.circular && this.activeItemIndex === 0;
},
isNavForwardDisabled() {
return !this.circular && this.activeItemIndex === (this.value.length - 1);
}
},
computed: {
activeItem() {
return this.value[this.activeItemIndex];
},
navBackwardClass() {
return ['p-galleria-preview-prev p-galleria-preview-nav-button p-button', {
'p-disabled': this.isNavBackwardDisabled()
}];
},
navForwardClass() {
return ['p-galleria-preview-next p-galleria-preview-nav-button p-button', {
'p-disabled': this.isNavForwardDisabled()
}];
}
},
components: {
'GalleriaItemSlot': GalleriaItemSlot
}
};
</script>

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<template>
<div class="p-galleria-thumbnail-content">
<div class="p-galleria-thumbnail-container">
<button v-if="showThumbnailNavButtons" :class="navBackwardClass" @click="navBackward($event)" :disabled="isNavBackwardDisabled()">
<span :class="navBackwardIconClass"></span>
</button>
<div class="p-galleria-thumbnail-items-content" :style="{'height': isVertical ? contentHeight : ''}">
<div ref="itemsContainer" class="p-galleria-thumbnail-items-container" @transitionend="onTransitionEnd"
@touchstart="onTouchStart($event)" @touchmove="onTouchMove($event)" @touchend="onTouchEnd($event)">
<div v-for="(item, index) of value" :key="`p-galleria-thumbnail-item-${index}`" :class="['p-galleria-thumbnail-item', {
'p-galleria-thumbnail-item-current': activeItemIndex === index,
'p-galleria-thumbnail-item-active': isItemActive(index),
'p-galleria-thumbnail-item-start': firstItemAciveIndex() === index,
'p-galleria-thumbnail-item-end': lastItemActiveIndex() === index }]">
<div class="p-galleria-thumbnail-item-content" :tabindex="isItemActive(index) ? 0 : null" @click="onItemClick(index)" @keydown.enter="onItemClick(index)">
<GalleriaItemSlot type="thumbnailItem" :item="item" :templates="templates" />
</div>
</div>
</div>
</div>
<button v-if="showThumbnailNavButtons" :class="navForwardClass" @click="navForward($event)" :disabled="isNavForwardDisabled()">
<span :class="navForwardIconClass"></span>
</button>
</div>
</div>
</template>
<script>
import GalleriaItemSlot from './GalleriaItemSlot';
import DomHandler from '../utils/DomHandler';
export default {
props: {
containerId: {
type: String,
default: null,
},
value: {
type: Array,
default: null
},
numVisible: {
type: Number,
default: 3
},
activeItemIndex: {
type: Number,
default: 0
},
isVertical: {
type: Boolean,
default: false
},
slideShowActive: {
type: Boolean,
default: false
},
circular: {
type: Boolean,
default: false
},
responsiveOptions: {
type: Array,
default: null
},
contentHeight: {
type: String,
default: "300px"
},
showThumbnailNavButtons: {
type: Boolean,
default: true
},
templates: {
type: null,
default: null
}
},
startPos: null,
thumbnailsStyle: null,
sortedResponsiveOptions: null,
data() {
return {
d_numVisible: this.numVisible,
d_oldNumVisible: this.numVisible,
d_activeItemIndex: this.activeItemIndex,
d_oldActiveItemIndex: this.activeItemIndex,
totalShiftedItems: 0,
page: 0
}
},
watch: {
numVisible(newValue, oldValue) {
this.d_numVisible = newValue;
this.d_oldNumVisible = oldValue;
},
activeItemIndex(newValue, oldValue) {
this.d_activeItemIndex = newValue;
this.d_oldActiveItemIndex = oldValue;
}
},
mounted() {
this.createStyle();
this.calculatePosition();
if (this.responsiveOptions) {
this.bindDocumentListeners();
}
},
updated() {
let totalShiftedItems = this.totalShiftedItems;
if (this.d_oldNumVisible !== this.d_numVisible || this.d_oldActiveItemIndex !== this.d_activeItemIndex) {
if (this.d_activeItemIndex <= this.getMedianItemIndex()) {
totalShiftedItems = 0;
}
else if (this.value.length - this.d_numVisible + this.getMedianItemIndex() < this.d_activeItemIndex) {
totalShiftedItems = this.d_numVisible - this.value.length;
}
else if (this.value.length - this.d_numVisible < this.d_activeItemIndex && this.d_numVisible % 2 === 0) {
totalShiftedItems = (this.d_activeItemIndex * -1) + this.getMedianItemIndex() + 1;
}
else {
totalShiftedItems = (this.d_activeItemIndex * -1) + this.getMedianItemIndex();
}
if (totalShiftedItems !== this.totalShiftedItems) {
this.totalShiftedItems = totalShiftedItems;
}
this.$refs.itemsContainer.style.transform = this.isVertical ? `translate3d(0, ${totalShiftedItems * (100/ this.d_numVisible)}%, 0)` : `translate3d(${totalShiftedItems * (100/ this.d_numVisible)}%, 0, 0)`;
if (this.d_oldActiveItemIndex !== this.d_activeItemIndex) {
DomHandler.removeClass(this.$refs.itemsContainer, 'p-items-hidden');
this.$refs.itemsContainer.style.transition = 'transform 500ms ease 0s';
}
this.d_oldActiveItemIndex = this.d_activeItemIndex;
this.d_oldNumVisible = this.d_numVisible;
}
},
beforeDestroy() {
if (this.responsiveOptions) {
this.unbindDocumentListeners();
}
if (this.thumbnailsStyle) {
this.thumbnailsStyle.parentNode.removeChild(this.thumbnailsStyle);
}
},
methods: {
step(dir) {
let totalShiftedItems = this.totalShiftedItems + dir;
if (dir < 0 && (-1 * totalShiftedItems) + this.d_numVisible > (this.value.length - 1)) {
totalShiftedItems = this.d_numVisible - this.value.length;
}
else if (dir > 0 && totalShiftedItems > 0) {
totalShiftedItems = 0;
}
if (this.circular) {
if (dir < 0 && this.value.length - 1 === this.d_activeItemIndex) {
totalShiftedItems = 0;
}
else if (dir > 0 && this.d_activeItemIndex === 0) {
totalShiftedItems = this.d_numVisible - this.value.length;
}
}
if (this.$refs.itemsContainer) {
DomHandler.removeClass(this.$refs.itemsContainer, 'p-items-hidden');
this.$refs.itemsContainer.style.transform = this.isVertical ? `translate3d(0, ${totalShiftedItems * (100/ this.d_numVisible)}%, 0)` : `translate3d(${totalShiftedItems * (100/ this.d_numVisible)}%, 0, 0)`;
this.$refs.itemsContainer.style.transition = 'transform 500ms ease 0s';
}
this.totalShiftedItems = totalShiftedItems;
},
stopSlideShow() {
if (this.slideShowActive && this.stopSlideShow) {
this.$emit('stopSlideShow');
}
},
getMedianItemIndex() {
let index = Math.floor(this.d_numVisible / 2);
return (this.d_numVisible % 2) ? index : index - 1;
},
navBackward(e) {
this.stopSlideShow();
let prevItemIndex = this.d_activeItemIndex !== 0 ? this.d_activeItemIndex - 1 : 0;
let diff = prevItemIndex + this.totalShiftedItems;
if ((this.d_numVisible - diff - 1) > this.getMedianItemIndex() && ((-1 * this.totalShiftedItems) !== 0 || this.circular)) {
this.step(1);
}
let activeIndex = this.circular && this.d_activeItemIndex === 0 ? this.value.length - 1 : prevItemIndex;
this.$emit('update:activeItemIndex', activeIndex);
if (e.cancelable) {
e.preventDefault();
}
},
navForward(e) {
this.stopSlideShow();
let nextItemIndex = this.d_activeItemIndex + 1;
if (nextItemIndex + this.totalShiftedItems > this.getMedianItemIndex() && ((-1 * this.totalShiftedItems) < this.getTotalPageNumber() - 1 || this.circular)) {
this.step(-1);
}
let activeIndex = this.circular && (this.value.length - 1) === this.d_activeItemIndex ? 0 : nextItemIndex;
this.$emit('update:activeItemIndex', activeIndex);
if (e.cancelable) {
e.preventDefault();
}
},
onItemClick(index) {
this.stopSlideShow();
let selectedItemIndex = index;
if (selectedItemIndex !== this.d_activeItemIndex) {
const diff = selectedItemIndex + this.totalShiftedItems;
let dir = 0;
if (selectedItemIndex < this.d_activeItemIndex) {
dir = (this.d_numVisible - diff - 1) - this.getMedianItemIndex();
if (dir > 0 && (-1 * this.totalShiftedItems) !== 0) {
this.step(dir);
}
}
else {
dir = this.getMedianItemIndex() - diff;
if (dir < 0 && (-1 * this.totalShiftedItems) < this.getTotalPageNumber() - 1) {
this.step(dir);
}
}
this.$emit('update:activeItemIndex', selectedItemIndex);
}
},
onTransitionEnd() {
if (this.$refs.itemsContainer) {
DomHandler.addClass(this.$refs.itemsContainer, 'p-items-hidden');
this.$refs.itemsContainer.style.transition = '';
}
},
onTouchStart(e) {
let touchobj = e.changedTouches[0];
this.startPos = {
x: touchobj.pageX,
y: touchobj.pageY
};
},
onTouchMove(e) {
if (e.cancelable) {
e.preventDefault();
}
},
onTouchEnd(e) {
let touchobj = e.changedTouches[0];
if (this.isVertical) {
this.changePageOnTouch(e, (touchobj.pageY - this.startPos.y));
}
else {
this.changePageOnTouch(e, (touchobj.pageX - this.startPos.x));
}
},
changePageOnTouch(e, diff) {
if (diff < 0) { // left
this.navForward(e);
}
else { // right
this.navBackward(e);
}
},
getTotalPageNumber() {
return this.value.length > this.d_numVisible ? (this.value.length - this.d_numVisible) + 1 : 0;
},
createStyle() {
if (!this.thumbnailsStyle) {
this.thumbnailsStyle = document.createElement('style');
this.thumbnailsStyle.type = 'text/css';
document.body.appendChild(this.thumbnailsStyle);
}
let innerHTML = `
#${this.containerId} .p-galleria-thumbnail-item {
flex: 1 0 ${ (100/ this.d_numVisible) }%
}
`;
if (this.responsiveOptions) {
this.sortedResponsiveOptions = [...this.responsiveOptions];
this.sortedResponsiveOptions.sort((data1, data2) => {
const value1 = data1.breakpoint;
const value2 = data2.breakpoint;
let result = null;
if (value1 == null && value2 != null)
result = -1;
else if (value1 != null && value2 == null)
result = 1;
else if (value1 == null && value2 == null)
result = 0;
else if (typeof value1 === 'string' && typeof value2 === 'string')
result = value1.localeCompare(value2, undefined, { numeric: true });
else
result = (value1 < value2) ? -1 : (value1 > value2) ? 1 : 0;
return -1 * result;
});
for (let i = 0; i < this.sortedResponsiveOptions.length; i++) {
let res = this.sortedResponsiveOptions[i];
innerHTML += `
@media screen and (max-width: ${res.breakpoint}) {
#${this.containerId} .p-galleria-thumbnail-item {
flex: 1 0 ${ (100/ res.numVisible) }%
}
}
`
}
}
this.thumbnailsStyle.innerHTML = innerHTML;
},
calculatePosition() {
if (this.$refs.itemsContainer && this.sortedResponsiveOptions) {
let windowWidth = window.innerWidth;
let matchedResponsiveData = {
numVisible: this.numVisible
};
for (let i = 0; i < this.sortedResponsiveOptions.length; i++) {
let res = this.sortedResponsiveOptions[i];
if (parseInt(res.breakpoint, 10) >= windowWidth) {
matchedResponsiveData = res;
}
}
if (this.d_numVisible !== matchedResponsiveData.numVisible) {
this.d_numVisible = matchedResponsiveData.numVisible;
}
}
},
bindDocumentListeners() {
if (!this.documentResizeListener) {
this.documentResizeListener = () => {
this.calculatePosition();
};
window.addEventListener('resize', this.documentResizeListener);
}
},
unbindDocumentListeners() {
if(this.documentResizeListener) {
window.removeEventListener('resize', this.documentResizeListener);
this.documentResizeListener = null;
}
},
isNavBackwardDisabled() {
return (!this.circular && this.d_activeItemIndex === 0) || (this.value.length <= this.d_numVisible);
},
isNavForwardDisabled() {
return (!this.circular && this.d_activeItemIndex === (this.value.length - 1)) || (this.value.length <= this.d_numVisible);
},
firstItemAciveIndex() {
return this.totalShiftedItems * -1;
},
lastItemActiveIndex() {
return this.firstItemAciveIndex() + this.d_numVisible - 1;
},
isItemActive(index) {
return this.firstItemAciveIndex() <= index && this.lastItemActiveIndex() >= index;
}
},
computed: {
navBackwardClass() {
return ['p-galleria-thumbnail-prev p-button', {
'p-disabled': this.isNavBackwardDisabled()
}];
},
navForwardClass() {
return ['p-galleria-thumbnail-next p-button', {
'p-disabled': this.isNavForwardDisabled()
}];
},
navBackwardIconClass() {
return ['p-galleria-thumbnail-prev-icon pi', {
'pi-chevron-left': !this.isVertical,
'pi-chevron-up': this.isVertical
}];
},
navForwardIconClass() {
return ['p-galleria-thumbnail-next-icon pi', {
'pi-chevron-right': !this.isVertical,
'pi-chevron-down': this.isVertical
}];
}
},
components: {
'GalleriaItemSlot': GalleriaItemSlot
}
}
</script>