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150 lines
3.1 KiB
150 lines
3.1 KiB
const styles = (v ='') => v.split(';').filter(v => v && !/^[\n\s]+$/.test(v)).map(v => {
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const key = v.slice(0, v.indexOf(':'))
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const value = v.slice(v.indexOf(':')+1)
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return {
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[key
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.replace(/-([a-z])/g, function() { return arguments[1].toUpperCase()})
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.replace(/\s+/g, '')
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]: value.replace(/^\s+/, '').replace(/\s+$/, '') || ''
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}
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})
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export function parent(parent) {
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return {
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provide() {
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return {
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[parent]: this
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}
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},
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data() {
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return {
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el: {
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id: null,
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css: {},
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views: []
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},
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}
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},
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watch: {
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css: {
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handler(v) {
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if(this.canvasId) {
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this.el.css = (typeof v == 'object' ? v : v && Object.assign(...styles(v))) || {}
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this.canvasWidth = this.el.css && this.el.css.width || this.canvasWidth
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this.canvasHeight = this.el.css && this.el.css.height || this.canvasHeight
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}
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},
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immediate: true
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}
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}
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}
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}
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export function children(parent, options = {}) {
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const indexKey = options.indexKey || 'index'
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return {
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inject: {
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[parent]: {
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default: null
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}
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},
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watch: {
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el: {
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handler(v, o) {
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if(JSON.stringify(v) != JSON.stringify(o))
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this.bindRelation()
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},
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deep: true,
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immediate: true
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},
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src: {
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handler(v, o) {
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if(v != o)
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this.bindRelation()
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},
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immediate: true
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},
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text: {
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handler(v, o) {
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if(v != o) this.bindRelation()
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},
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immediate: true
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},
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css: {
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handler(v, o) {
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if(v != o)
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this.el.css = (typeof v == 'object' ? v : v && Object.assign(...styles(v))) || {}
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},
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immediate: true
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},
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replace: {
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handler(v, o) {
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if(JSON.stringify(v) != JSON.stringify(o))
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this.bindRelation()
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},
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deep: true,
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immediate: true
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}
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},
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created() {
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if(!this._uid) {
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this._uid = this._.uid
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}
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Object.defineProperty(this, 'parent', {
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get: () => this[parent] || [],
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})
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Object.defineProperty(this, 'index', {
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get: () => {
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this.bindRelation();
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const {parent: {el: {views=[]}={}}={}} = this
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return views.indexOf(this.el)
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},
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});
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this.el.type = this.type
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if(this.uid) {
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this.el.uid = this.uid
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}
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this.bindRelation()
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},
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// #ifdef VUE3
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beforeUnmount() {
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this.removeEl()
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},
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// #endif
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// #ifdef VUE2
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beforeDestroy() {
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this.removeEl()
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},
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// #endif
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methods: {
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removeEl() {
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if (this.parent) {
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this.parent.el.views = this.parent.el.views.filter(
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(item) => item._uid !== this._uid
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);
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}
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},
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bindRelation() {
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if(!this.el._uid) {
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this.el._uid = this._uid
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}
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if(['text','qrcode'].includes(this.type)) {
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this.el.text = this.$slots && this.$slots.default && this.$slots.default[0].text || `${this.text || ''}`.replace(/\\n/g, '\n')
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}
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if(this.type == 'image') {
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this.el.src = this.src
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}
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if (!this.parent) {
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return;
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}
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let views = this.parent.el.views || [];
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if(views.indexOf(this.el) !== -1) {
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this.parent.el.views = views.map(v => v._uid == this._uid ? this.el : v)
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} else {
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this.parent.el.views = [...views, this.el];
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}
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}
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},
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mounted() {
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// this.bindRelation()
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},
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}
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}
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