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DxfViewer.vue
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DxfViewer.vue
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<template>
<div class="canvasContainer" ref="canvasContainer">
<q-inner-loading :showing="isLoading" color="primary" style="z-index: 10"/>
<div v-if="progress !== null" class="progress">
<q-linear-progress color="primary" :indeterminate="progress < 0" :value="progress" />
<div v-if="progressText !== null" class="progressText">{{progressText}}</div>
</div>
<div v-if="error !== null" class="error" :title="error">
<q-icon name="warning" class="text-red" style="font-size: 4rem;" /> Error occurred: {{error}}
</div>
</div>
</template>
<script>
import {DxfViewer} from "dxf-viewer"
import * as three from "three"
import DxfViewerWorker from "worker-loader!./DxfViewerWorker"
/** Events: all DxfViewer supported events (see DxfViewer.Subscribe()), prefixed with "dxf-". */
export default {
name: "DxfViewer",
props: {
dxfUrl: {
default: null
},
/** List of font URLs. Files should have TTF format. Fonts are used in the specified order,
* each one is checked until necessary glyph is found. Text is not rendered if fonts are not
* specified.
*/
fonts: {
default: null
},
options: {
default() {
return {
clearColor: new three.Color("#fff"),
autoResize: true,
colorCorrection: true,
sceneOptions: {
wireframeMesh: true
}
}
}
}
},
data() {
return {
isLoading: false,
progress: null,
progressText: null,
curProgressPhase: null,
error: null
}
},
watch: {
async dxfUrl(dxfUrl) {
if (dxfUrl !== null) {
await this.Load(dxfUrl)
} else {
this.dxfViewer.Clear()
this.error = null
this.isLoading = false
this.progress = null
}
}
},
methods: {
async Load(url) {
this.isLoading = true
this.error = null
try {
await this.dxfViewer.Load({
url,
fonts: this.fonts,
progressCbk: this._OnProgress.bind(this),
workerFactory: DxfViewerWorker
})
} catch (error) {
console.warn(error)
this.error = error.toString()
} finally {
this.isLoading = false
this.progressText = null
this.progress = null
this.curProgressPhase = null
}
},
/** @return {DxfViewer} */
GetViewer() {
return this.dxfViewer
},
_OnProgress(phase, size, totalSize) {
if (phase !== this.curProgressPhase) {
switch(phase) {
case "font":
this.progressText = "Fetching fonts..."
break
case "fetch":
this.progressText = "Fetching file..."
break
case "parse":
this.progressText = "Parsing file..."
break
case "prepare":
this.progressText = "Preparing rendering data..."
break
}
this.curProgressPhase = phase
}
if (totalSize === null) {
this.progress = -1
} else {
this.progress = size / totalSize
}
}
},
mounted() {
this.dxfViewer = new DxfViewer(this.$refs.canvasContainer, this.options)
const Subscribe = eventName => {
this.dxfViewer.Subscribe(eventName, e => this.$emit("dxf-" + eventName, e))
}
for (const eventName of ["loaded", "cleared", "destroyed", "resized", "pointerdown",
"pointerup", "viewChanged", "message"]) {
Subscribe(eventName)
}
},
destroyed() {
this.dxfViewer.Destroy()
this.dxfViewer = null
}
}
</script>
<style scoped lang="less">
.canvasContainer {
position: relative;
width: 100%;
height: 100%;
min-width: 100px;
min-height: 100px;
.progress {
position: absolute;
z-index: 20;
width: 90%;
margin: 20px 5%;
.progressText {
margin: 10px 20px;
font-size: 14px;
color: #262d33;
text-align: center;
}
}
.error {
width: 100%;
height: 100%;
position: absolute;
z-index: 20;
padding: 30px;
img {
width: 24px;
height: 24px;
vertical-align: middle;
margin: 4px;
}
}
}
</style>