148 lines
3.6 KiB
Svelte
148 lines
3.6 KiB
Svelte
<script>
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import { store, backendUiStore } from "builderStore"
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import { map, join } from "lodash/fp"
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import iframeTemplate from "./iframeTemplate"
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import { pipe } from "components/common/core"
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let iframe
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let styles = ""
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function transform_component(comp) {
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const props = comp.props || comp
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if (props && props._children && props._children.length) {
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props._children = props._children.map(transform_component)
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}
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return props
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}
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const getComponentTypeName = component => {
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let [componentName] = component._component.match(/[a-z]*$/)
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return componentName || "element"
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}
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const screenPlaceholder = {
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name: "Screen Placeholder",
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route: "*",
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props: {
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_component: "@budibase/standard-components/container",
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type: "div",
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_children: [
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{
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_component: "@budibase/standard-components/container",
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_styles: { normal: {}, hover: {}, active: {}, selected: {} },
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_id: "__screenslot__text",
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_code: "",
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className: "",
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onLoad: [],
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type: "div",
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_children: [
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{
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_component: "@budibase/standard-components/text",
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_styles: {
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normal: {},
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hover: {},
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active: {},
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selected: {},
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},
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_id: "__screenslot__text_2",
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_code: "",
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text: "content",
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font: "",
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color: "",
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textAlign: "inline",
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verticalAlign: "inline",
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formattingTag: "none",
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},
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],
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},
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],
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},
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}
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$: hasComponent = !!$store.currentPreviewItem
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$: {
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styles = ""
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// Apply the CSS from the currently selected page and its screens
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const currentPage = $store.pages[$store.currentPageName]
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styles += currentPage._css
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for (let screen of currentPage._screens) {
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styles += screen._css
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}
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styles = styles
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}
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$: stylesheetLinks = pipe($store.pages.stylesheets, [
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map(s => `<link rel="stylesheet" href="${s}"/>`),
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join("\n"),
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])
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$: screensExist =
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$store.currentPreviewItem._screens &&
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$store.currentPreviewItem._screens.length > 0
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$: frontendDefinition = {
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appId: $store.appId,
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libraries: $store.libraries,
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page: $store.pages[$store.currentPageName],
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screens: [
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$store.currentFrontEndType === "page"
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? screenPlaceholder
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: $store.currentPreviewItem,
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],
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appRootPath: "",
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}
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$: selectedComponentType = getComponentTypeName($store.currentComponentInfo)
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$: selectedComponentId = $store.currentComponentInfo
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? $store.currentComponentInfo._id
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: ""
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const refreshContent = () => {
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iframe.contentWindow.postMessage(JSON.stringify({
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styles,
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stylesheetLinks,
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selectedComponentType,
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selectedComponentId,
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frontendDefinition,
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}))
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}
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$: if(iframe) iframe.contentWindow.addEventListener("bb-ready", refreshContent, { once: true })
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$: if(iframe && frontendDefinition) {
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refreshContent()
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}
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</script>
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<div class="component-container">
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{#if hasComponent && $store.currentPreviewItem}
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<iframe
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style="height: 100%; width: 100%"
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title="componentPreview"
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bind:this={iframe}
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srcdoc={iframeTemplate} />
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{/if}
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</div>
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<style>
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.component-container {
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grid-row-start: middle;
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grid-column-start: middle;
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position: relative;
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overflow: hidden;
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margin: auto;
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height: 100%;
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}
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.component-container iframe {
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border: 0;
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left: 0;
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top: 0;
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width: 100%;
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}
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</style>
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