dashy/src/components/LinkItems/ItemIcon.vue

131 lines
3.9 KiB
Vue

<template>
<div>
<i v-if="iconType === 'font-awesome'" :class="`${icon} ${size}`" ></i>
<img v-else-if="icon" :src="iconPath" @error="imageNotFound"
:class="`tile-icon ${size} ${broken ? 'broken' : ''}`"
/>
<BrokenImage v-if="broken" class="missing-image" />
</div>
</template>
<script>
import BrokenImage from '@/assets/interface-icons/broken-icon.svg';
import ErrorHandler from '@/utils/ErrorHandler';
export default {
name: 'Icon',
props: {
icon: String, // Path to icon asset
url: String, // Used for fetching the favicon
size: String, // Either small, medium or large
},
components: {
BrokenImage,
},
computed: {
iconType: function iconType() {
return this.determineImageType(this.icon);
},
iconPath: function iconPath() {
return this.getIconPath(this.icon, this.url);
},
},
data() {
return {
broken: false,
};
},
methods: {
/* Check if a string is in a URL format. Used to identify tile icon source */
isUrl(str) {
const pattern = new RegExp(/(http|https):\/\/(\w+:{0,1}\w*)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%!\-/]))?/);
return pattern.test(str);
},
/* Returns true if the input is a path to an image file */
isImage(img) {
const fileExtRegex = /(?:\.([^.]+))?$/;
const validImgExtensions = ['png', 'jpg'];
const splitPath = fileExtRegex.exec(img);
if (splitPath.length >= 1) return validImgExtensions.includes(splitPath[1]);
return false;
},
/* Get favicon URL, for items which use the favicon as their icon */
getFavicon(fullUrl) {
const isLocalIP = /(127\.)|(192\.168\.)|(10\.)|(172\.1[6-9]\.)|(172\.2[0-9]\.)|(172\.3[0-1]\.)|(::1$)|([fF][cCdD])|(localhost)/;
if (isLocalIP.test(fullUrl)) { // Check if using a local IP format or localhost
const urlParts = fullUrl.split('/');
// For locally running services, use the default path for favicon
if (urlParts.length >= 2) return `${urlParts[0]}/${urlParts[1]}/${urlParts[2]}/favicon.ico`;
} else if (fullUrl.includes('http')) {
// For publicly accessible sites, a more reliable method is using Google's API
return `https://s2.googleusercontent.com/s2/favicons?domain=${fullUrl}`;
}
return '';
},
getLocalImagePath(img) {
return `/item-icons/${img}`;
},
/* Checks if the icon is from a local image, remote URL, SVG or font-awesome */
getIconPath(img, url) {
switch (this.determineImageType(img)) {
case 'url': return img;
case 'img': return this.getLocalImagePath(img);
case 'favicon': return this.getFavicon(url);
case 'svg': return img;
default: return '';
}
},
/* Checks if the icon is from a local image, remote URL, SVG or font-awesome */
determineImageType(img) {
let imgType = '';
if (!img) imgType = 'none';
else if (img.endsWith('.svg')) imgType = 'svg';
else if (this.isUrl(img)) imgType = 'url';
else if (this.isImage(img)) imgType = 'img';
else if (img.includes('fa-')) imgType = 'font-awesome';
else if (img === 'favicon') imgType = 'favicon';
else imgType = 'none';
return imgType;
},
/* Called when the path to the image cannot be resolved */
imageNotFound() {
this.broken = true;
ErrorHandler(`The path to '${this.icon}' could not be resolved`);
},
},
};
</script>
<style lang="scss">
.tile-icon {
width: 60px;
filter: var(--item-icon-transform);
&.broken { display: none; }
}
i.fas, i.fab, i.far, i.fal, i.fad {
font-size: 2rem;
color: currentColor;
margin: 1px auto 4px;
&.small {
font-size: 1.5rem;
}
&.large {
font-size: 3rem;
}
}
object.tile-icon {
width: 55px;
height: 55px;
svg, svg g, svg g path {
fill: currentColor;
}
}
.missing-image {
width: 3.5rem;
path {
fill: currentColor;
}
}
</style>