vxe-pc-ui/lib/image/src/preview.min.js

A vue based PC component library

"use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=void 0;var _vue=require("vue"),_comp=require("../../ui/src/comp"),_ui=require("../../ui"),_xeUtils=_interopRequireDefault(require("xe-utils")),_dom=require("../../ui/src/dom");function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}var _default=exports.default=(0,_comp.defineVxeComponent)({name:"VxeImagePreview",props:{modelValue:Number,urlList:Array,urlField:{type:String,default:()=>(0,_ui.getConfig)().imagePreview.urlField},maskClosable:{type:Boolean,default:()=>(0,_ui.getConfig)().imagePreview.maskClosable},marginSize:{type:String,default:()=>(0,_ui.getConfig)().imagePreview.marginSize},showPrintButton:{type:Boolean,default:()=>(0,_ui.getConfig)().imagePreview.showPrintButton},showDownloadButton:{type:Boolean,default:()=>(0,_ui.getConfig)().imagePreview.showDownloadButton},toolbarConfig:Object,beforeDownloadMethod:Function,downloadMethod:Function},emits:["update:modelValue","change","download","download-fail","rotate","close"],setup(u,e){const a=e["emit"];var t=_xeUtils.default.uniqueId();const i=(0,_vue.ref)(),o={refElem:i},c=(0,_vue.reactive)({activeIndex:u.modelValue||0,offsetPct11:!1,offsetScale:0,offsetRotate:0,offsetLeft:0,offsetTop:0}),r=(0,_vue.computed)(()=>u.urlField||"url"),_=(0,_vue.computed)(()=>_xeUtils.default.toNumber(u.marginSize||0)||16),s=(0,_vue.computed)(()=>Object.assign({},(0,_ui.getConfig)().imagePreview.toolbarConfig,u.toolbarConfig)),l=(0,_vue.computed)(()=>{var e=c["offsetRotate"];return e?e+"°":"0°"}),v=(0,_vue.computed)(()=>{var e=c["offsetScale"];return e?_xeUtils.default.ceil(100*(1+e))+"%":"100%"}),d=(0,_vue.computed)(()=>{var e=u["urlList"];const t=r.value;return e&&e.length?e.map(e=>_xeUtils.default.isString(e)?e:e[t]||""):[]}),n=(0,_vue.computed)(()=>{var{offsetScale:e,offsetRotate:o,offsetLeft:a,offsetTop:i}=c,r=[];let n=1;if(e&&(n=1+e,r.push(`scale(${n})`)),o&&r.push(`rotate(${o}deg)`),a||i){let e=a/=n,t=i/=n;if(o)switch(o%360){case 90:case-270:e=i,t=-a;break;case 180:case-180:e=-a,t=-i;break;case 270:case-90:e=-i,t=a}r.push(`translate(${e}px, ${t}px)`)}return r.length?r.join(" "):""}),f={computeImgList:d},m={xID:t,props:u,context:e,reactData:c,getRefMaps:()=>o,getComputeMaps:()=>f},p=(e,t,o)=>{a(e,(0,_ui.createEvent)(o,{$imagePreview:m},t))};t={dispatchEvent:p};const g=e=>{c.activeIndex=e,a("update:modelValue",e)},E=e=>{p("close",{},e)};const h=()=>{var e=i.value;(0,_dom.removeClass)(e,"is--move"),Object.assign(c,{offsetPct11:!1,offsetScale:0,offsetRotate:0,offsetLeft:0,offsetTop:0})},w=()=>{var e=c["offsetScale"];let t=.02;return t=-.6<=e&&(t=.04,-.4<=e)&&(t=.07,0<=e)&&(t=.1,3<=e)&&(t=.25,8<=e)&&(t=.4,16<=e)&&(t=.6,24<=e)&&(t=.9,32<=e)&&(t=1.3,39<=e)&&(t=1.9,45<=e)?2.5:t},x=e=>{var t=c["offsetScale"],o=w();c.offsetScale=e?Number(Math.min(49,t+o).toFixed(2)):Number(Math.max(-.9,t-o).toFixed(2))},I=(e,t)=>{let o=c.activeIndex||0;var a=d.value,t=(t?o>=a.length-1?o=0:o++:o<=0?o=a.length-1:o--,a[o||0]);c.activeIndex=o,h(),g(o),p("change",{url:t,activeIndex:o},e)},b=(e,t)=>{var o=d.value,a=c["activeIndex"],o=o[a||0];let i=c.offsetRotate;t?i+=90:i-=90,c.offsetRotate=i,p("rotate",{url:o,rotateValue:i},e)},P=()=>{var e=c["activeIndex"],e=d.value[e||0];_ui.VxeUI.print&&_ui.VxeUI.print({align:"center",pageBreaks:[{bodyHtml:`<img src="${e}" style="max-width:100%;max-height:100%;">`}]})},R=(e,t)=>{p("download",{url:t},e)},V=a=>{const i=c["activeIndex"];var e=s.value.download,e=!_xeUtils.default.isBoolean(e)&&e?Object.assign({},e):{};const r=d.value[i||0];var t=u.beforeDownloadMethod||e.beforeDownloadMethod||(0,_ui.getConfig)().imagePreview.beforeDownloadMethod;const n=u.downloadMethod||e.downloadMethod||(0,_ui.getConfig)().imagePreview.downloadMethod;Promise.resolve(!t||t({$imagePreview:m,url:r,index:i||0})).then(e=>{var t,o;e&&(n?Promise.resolve(n({$imagePreview:m,url:r,index:i||0})).then(()=>{R(a,r)}).catch(e=>e):(t=a,o=r,_ui.VxeUI.saveFile&&fetch(o).then(e=>e.blob().then(e=>{_ui.VxeUI.saveFile({filename:o,content:e}),R(t,o)})).catch(()=>{_ui.VxeUI.modal&&_ui.VxeUI.modal.message({content:(0,_ui.getI18n)("vxe.error.downErr"),status:"error"})})))})},O=(e,t)=>{var o=c["activeIndex"];if(d.value[o||0])switch(t){case"zoomOut":x(!1);break;case"zoomIn":x(!0);break;case"pctFull":h();break;case"pct11":h(),c.offsetPct11=!0;break;case"rotateLeft":b(e,!1);break;case"rotateRight":b(e,!0);break;case"print":P();break;case"download":V(e)}},L=e=>{e=e.deltaY;0<e?x(!1):e<0&&x(!0)},C=e=>{const{offsetTop:r,offsetLeft:n}=c,u=i.value,t=(e.preventDefault(),document.onmousemove),o=document.onmouseup,s=e.pageX,l=e.pageY,v=_.value;document.onmousemove=e=>{var{pageX:t,pageY:o}=e,{visibleHeight:a,visibleWidth:i}=(0,_dom.getDomNode)();e.preventDefault(),(0,_dom.addClass)(u,"is--move"),t>v&&o>v&&t<i-v&&o<a-v&&(c.offsetLeft=n+t-s,c.offsetTop=r+o-l)},document.onmouseup=()=>{document.onmousemove=t,document.onmouseup=o,(0,_dom.removeClass)(u,"is--move")}},M=e=>{var t=(0,_dom.hasControlKey)(e),o=e.shiftKey,a=_ui.globalEvents.hasKey(e,_ui.GLOBAL_EVENT_KEYS.ARROW_UP),i=_ui.globalEvents.hasKey(e,_ui.GLOBAL_EVENT_KEYS.ARROW_DOWN),r=_ui.globalEvents.hasKey(e,_ui.GLOBAL_EVENT_KEYS.ARROW_LEFT),n=_ui.globalEvents.hasKey(e,_ui.GLOBAL_EVENT_KEYS.ARROW_RIGHT),u=_ui.globalEvents.hasKey(e,_ui.GLOBAL_EVENT_KEYS.R),s=_ui.globalEvents.hasKey(e,_ui.GLOBAL_EVENT_KEYS.P);a?(e.preventDefault(),o?--c.offsetTop:x(!0)):i?(e.preventDefault(),o?c.offsetTop+=1:x(!1)):r?(e.preventDefault(),o?--c.offsetLeft:I(e,!1)):n?(e.preventDefault(),o?c.offsetLeft+=1:I(e,!0)):u&&t?(e.preventDefault(),o?b(e,!1):b(e,!0)):s&&t&&(e.preventDefault(),P())},T=e=>{u.maskClosable&&e.target===e.currentTarget&&p("close",{},e)},y=(Object.assign(m,t,{}),(t,e)=>{var o=s.value[t],a=!_xeUtils.default.isBoolean(o)&&o?Object.assign({},o):{};return!1!==o?(0,_vue.h)("div",{class:"vxe-image-preview--operation-btn",title:(0,_ui.getI18n)("vxe.imagePreview.operBtn."+t),onClick(e){O(e,t)}},[(0,_vue.h)("i",{class:a.icon||(0,_ui.getIcon)()[e]})]):(0,_ui.renderEmptyElement)(m)});e=()=>{var e=c["offsetPct11"];return(0,_vue.h)("div",{ref:i,class:["vxe-image-preview",{"is--pct11":e}],onWheel:L},[(()=>{const o=c["activeIndex"];var e=d.value;const a=n.value;return(0,_vue.h)("div",{class:"vxe-image-preview--img-list",onClick:T},e.map((e,t)=>{t=o===t;return(0,_vue.h)("img",{class:["vxe-image-preview--img-item",{"is--active":t}],src:e,style:t?{transform:a}:null,onMousedown(e){C(e)}})}))})(),(()=>{var{showPrintButton:e,showDownloadButton:t}=u,o=c["activeIndex"],a=d.value,i=l.value,r=v.value,n=s.value;return(0,_vue.h)("div",{class:"vxe-image-preview--btn-wrapper"},[(0,_vue.h)("div",{class:"vxe-image-preview--close-wrapper"},[(0,_vue.h)("div",{class:"vxe-image-preview--close-btn",onClick:E},[(0,_vue.h)("i",{class:(0,_ui.getIcon)().IMAGE_PREVIEW_CLOSE})]),(0,_vue.h)("div",{class:"vxe-image-preview--close-bg"})]),1<a.length?(0,_vue.h)("div",{class:"vxe-image-preview--previous-btn",onClick(e){I(e,!1)}},[(0,_vue.h)("i",{class:(0,_ui.getIcon)().IMAGE_PREVIEW_PREVIOUS})]):(0,_ui.renderEmptyElement)(m),1<a.length?(0,_vue.h)("div",{class:"vxe-image-preview--next-btn",onClick(e){I(e,!0)}},[(0,_vue.h)("i",{class:(0,_ui.getIcon)().IMAGE_PREVIEW_NEXT})]):(0,_ui.renderEmptyElement)(m),(0,_vue.h)("div",{class:"vxe-image-preview--operation-info"},[(0,_vue.h)("div",{class:"vxe-image-preview--operation-deg"},i),(0,_vue.h)("div",{class:"vxe-image-preview--operation-pct"},r)]),(0,_vue.h)("div",{class:"vxe-image-preview--operation-wrapper"},[(0,_vue.h)("div",{class:"vxe-image-preview--operation-active-count"},[(0,_vue.h)("span",{class:"vxe-image-preview--operation-active-current"},""+((o||0)+1)),(0,_vue.h)("span",{class:"vxe-image-preview--operation-active-total"},"/"+a.length)]),y("zoomOut","IMAGE_PREVIEW_ZOOM_OUT"),y("zoomIn","IMAGE_PREVIEW_ZOOM_IN"),y("pctFull","IMAGE_PREVIEW_PCT_FULL"),y("pct11","IMAGE_PREVIEW_PCT_1_1"),y("rotateLeft","IMAGE_PREVIEW_ROTATE_LEFT"),y("rotateRight","IMAGE_PREVIEW_ROTATE_RIGHT"),e||n.print?y("print","IMAGE_PREVIEW_PRINT"):(0,_ui.renderEmptyElement)(m),t||n.download?y("download","IMAGE_PREVIEW_DOWNLOAD"):(0,_ui.renderEmptyElement)(m)])])})()])};return(0,_vue.watch)(()=>u.modelValue,e=>{c.activeIndex=e,h()}),(0,_vue.onMounted)(()=>{_ui.globalEvents.on(m,"keydown",M)}),(0,_vue.onBeforeUnmount)(()=>{var e=i.value;e&&(0,_dom.removeClass)(e,"is--move")}),(0,_vue.onUnmounted)(()=>{_ui.globalEvents.off(m,"keydown")}),(0,_vue.provide)("$xeImagePreview",m),m.renderVN=e}});