forked from tsai/budibase
Martin McKeaveney
6 years ago
6 changed files with 28 additions and 274 deletions
@ -1,61 +0,0 @@ |
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<script> |
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import { goto } from "@sveltech/routify" |
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import ComponentsHierarchyChildren from "./ComponentsHierarchyChildren.svelte" |
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import { trimCharsStart, trimChars } from "lodash/fp" |
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import { pipe } from "../../helpers" |
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import { store } from "builderStore" |
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import ScreenDropdownMenu from "./ScreenDropdownMenu.svelte" |
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import { writable } from "svelte/store" |
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import NavItem from "components/common/NavItem.svelte" |
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export let screens = [] |
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$: sortedScreens = screens.sort((s1, s2) => { |
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const name1 = s1.props._instanceName?.toLowerCase() ?? "" |
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const name2 = s2.props._instanceName?.toLowerCase() ?? "" |
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return name1 > name2 ? 1 : -1 |
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}) |
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/* |
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Using a store here seems odd.... |
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have a look in the <ComponentsHierarchyChildren /> code file to find out why. |
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I have commented the dragDropStore parameter |
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*/ |
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const dragDropStore = writable({}) |
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let confirmDeleteDialog |
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let componentToDelete = "" |
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const normalizedName = name => |
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pipe(name, [ |
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trimCharsStart("./"), |
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trimCharsStart("~/"), |
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trimCharsStart("../"), |
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trimChars(" "), |
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]) |
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const changeScreen = screen => { |
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store.actions.screens.select(screen.props._instanceName) |
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$goto(`./:page/${screen.props._instanceName}`) |
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} |
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</script> |
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<div class="root"> |
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{#each sortedScreens as screen} |
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<NavItem |
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icon="ri-artboard-2-line" |
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text={screen.props._instanceName} |
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withArrow={screen.props._children.length} |
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selected={$store.currentComponentInfo._id === screen.props._id} |
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opened={$store.currentPreviewItem.name === screen.props._id} |
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on:click={() => changeScreen(screen)}> |
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<ScreenDropdownMenu {screen} /> |
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</NavItem> |
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{#if $store.currentPreviewItem.props._instanceName && $store.currentPreviewItem.props._instanceName === screen.props._instanceName && screen.props._children} |
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<ComponentsHierarchyChildren |
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components={screen.props._children} |
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currentComponent={$store.currentComponentInfo} |
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{dragDropStore} /> |
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{/if} |
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{/each} |
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</div> |
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@ -1,185 +0,0 @@ |
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<script> |
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import { goto } from "@sveltech/routify" |
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import { store } from "builderStore" |
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import { last } from "lodash/fp" |
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import { pipe } from "../../helpers" |
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import ComponentDropdownMenu from "./ComponentDropdownMenu.svelte" |
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import NavItem from "components/common/NavItem.svelte" |
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import { getComponentDefinition } from "builderStore/storeUtils" |
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export let components = [] |
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export let currentComponent |
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export let onSelect = () => {} |
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export let level = 0 |
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/* |
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"dragDropStore" is a svelte store. |
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This component is recursive... a tree. |
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Using a single, shared store, all the nodes in the tree can subscribe to state that is changed by other nodes, in the same tree. |
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e.g. Say i have the structure |
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- Heading 1 |
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- Container |
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- Heading 2 |
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- Heading 3 |
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- Heading 4 |
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1. When I dragover "Heading 1", a placeholder drop-slot appears below it |
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2. I drag down a bit so the cursor is INSIDE the container (i.e. now in a child <ComponentsHierarchyChildren />) |
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3. Using store subscribes... the original drop-slot now knows that it should disappear, and a new one is created inside the container. |
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*/ |
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export let dragDropStore |
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let dropUnderComponent |
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let componentToDrop |
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const capitalise = s => s.substring(0, 1).toUpperCase() + s.substring(1) |
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const get_name = s => (!s ? "" : last(s.split("/"))) |
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const get_capitalised_name = name => |
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pipe( |
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name, |
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[get_name, capitalise] |
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) |
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const isScreenslot = name => name === "##builtin/screenslot" |
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const selectComponent = component => { |
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// Set current component |
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store.actions.components.select(component) |
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// Get ID path |
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const path = store.actions.components.findRoute(component) |
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// Go to correct URL |
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$goto(`./:page/:screen/${path}`) |
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} |
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const dragstart = component => e => { |
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e.dataTransfer.dropEffect = "move" |
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dragDropStore.update(s => { |
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s.componentToDrop = component |
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return s |
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}) |
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} |
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const dragover = (component, index) => e => { |
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const canHaveChildrenButIsEmpty = |
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getComponentDefinition($store, component._component).children && |
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component._children.length === 0 |
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e.dataTransfer.dropEffect = "copy" |
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dragDropStore.update(s => { |
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const isBottomHalf = e.offsetY > e.currentTarget.offsetHeight / 2 |
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s.targetComponent = component |
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// only allow dropping inside when container type |
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// is empty. If it has children, the user can drag over |
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// it's existing children |
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if (canHaveChildrenButIsEmpty) { |
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if (index === 0) { |
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// when its the first component in the screen, |
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// we divide into 3, so we can paste above, inside or below |
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const pos = e.offsetY / e.currentTarget.offsetHeight |
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if (pos < 0.4) { |
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s.dropPosition = "above" |
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} else if (pos > 0.8) { |
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// purposely giving this the least space as it is often covered |
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// by the component below's "above" space |
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s.dropPosition = "below" |
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} else { |
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s.dropPosition = "inside" |
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} |
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} else { |
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s.dropPosition = isBottomHalf ? "below" : "inside" |
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} |
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} else { |
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s.dropPosition = isBottomHalf ? "below" : "above" |
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} |
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return s |
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}) |
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return false |
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} |
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const drop = () => { |
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if ($dragDropStore.targetComponent !== $dragDropStore.componentToDrop) { |
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store.actions.components.copy($dragDropStore.componentToDrop) |
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store.actions.components.paste( |
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$dragDropStore.targetComponent, |
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$dragDropStore.dropPosition |
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) |
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} |
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dragDropStore.update(s => { |
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s.dropPosition = "" |
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s.targetComponent = null |
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s.componentToDrop = null |
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return s |
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}) |
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} |
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const dragend = () => { |
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dragDropStore.update(s => { |
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s.dropPosition = "" |
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s.targetComponent = null |
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s.componentToDrop = null |
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return s |
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}) |
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} |
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</script> |
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<ul> |
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{#each components as component, index (component._id)} |
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<li on:click|stopPropagation={() => selectComponent(component)}> |
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{#if $dragDropStore && $dragDropStore.targetComponent === component && $dragDropStore.dropPosition === 'above'} |
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<div |
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on:drop={drop} |
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ondragover="return false" |
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ondragenter="return false" |
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class="drop-item" |
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style="margin-left: {(level + 1) * 16}px" /> |
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{/if} |
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<NavItem |
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draggable |
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on:dragend={dragend} |
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on:dragstart={dragstart(component)} |
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on:dragover={dragover(component, index)} |
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on:drop={drop} |
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text={isScreenslot(component._component) ? 'Screenslot' : component._instanceName} |
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withArrow |
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indentLevel={level + 1} |
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selected={currentComponent === component}> |
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<ComponentDropdownMenu {component} /> |
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</NavItem> |
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{#if component._children} |
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<svelte:self |
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components={component._children} |
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{currentComponent} |
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{onSelect} |
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{dragDropStore} |
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level={level + 1} /> |
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{/if} |
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{#if $dragDropStore && $dragDropStore.targetComponent === component && ($dragDropStore.dropPosition === 'inside' || $dragDropStore.dropPosition === 'below')} |
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<div |
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on:drop={drop} |
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ondragover="return false" |
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ondragenter="return false" |
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class="drop-item" |
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style="margin-left: {(level + ($dragDropStore.dropPosition === 'inside' ? 3 : 1)) * 16}px" /> |
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{/if} |
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</li> |
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{/each} |
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</ul> |
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<style> |
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ul { |
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list-style: none; |
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padding-left: 0; |
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margin: 0; |
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} |
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.drop-item { |
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border-radius: var(--border-radius-m); |
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height: 32px; |
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background: var(--grey-3); |
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} |
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</style> |
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