forked from MapComplete/MapComplete
		
	
		
			
				
	
	
		
			107 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			Svelte
		
	
	
	
	
	
			
		
		
	
	
			107 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			Svelte
		
	
	
	
	
	
| <script lang="ts">/**
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|  * The FilterView shows the various options to enable/disable a single layer or to only show a subset of the data.
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|  */
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| import type FilteredLayer from "../../Models/FilteredLayer";
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| import LayerConfig from "../../Models/ThemeConfig/LayerConfig";
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| import ToSvelte from "../Base/ToSvelte.svelte";
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| import Checkbox from "../Base/Checkbox.svelte";
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| import FilterConfig from "../../Models/ThemeConfig/FilterConfig";
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| import type {Writable} from "svelte/store";
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| import If from "../Base/If.svelte";
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| import Dropdown from "../Base/Dropdown.svelte";
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| import {onDestroy} from "svelte";
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| import {ImmutableStore, Store} from "../../Logic/UIEventSource";
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| import FilterviewWithFields from "./FilterviewWithFields.svelte";
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| import Tr from "../Base/Tr.svelte";
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| import Translations from "../i18n/Translations";
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| 
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| export let filteredLayer: FilteredLayer;
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| export let highlightedLayer: Store<string | undefined> = new ImmutableStore(undefined);
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| export let zoomlevel: Store<number> = new ImmutableStore(22);
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| let layer: LayerConfig = filteredLayer.layerDef;
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| let isDisplayed: Store<boolean> = filteredLayer.isDisplayed;
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| 
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| /**
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|  * Gets a UIEventSource as boolean for the given option, to be used with a checkbox
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|  */
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| function getBooleanStateFor(option: FilterConfig): Writable<boolean> {
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|     const state = filteredLayer.appliedFilters.get(option.id);
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|     return state.sync(f => f === 0, [], (b) => b ? 0 : undefined);
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| }
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| 
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| /**
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|  * Gets a UIEventSource as number for the given option, to be used with a dropdown or radiobutton
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|  */
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| function getStateFor(option: FilterConfig): Writable<number> {
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|     return filteredLayer.appliedFilters.get(option.id);
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| }
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| 
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| let mainElem: HTMLElement;
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| $:  onDestroy(
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|     highlightedLayer.addCallbackAndRun(highlightedLayer => {
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|         if (highlightedLayer === filteredLayer.layerDef.id) {
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|             mainElem?.classList?.add("glowing-shadow");
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|         } else {
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|             mainElem?.classList?.remove("glowing-shadow");
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|         }
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|     })
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| );
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| </script>
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| {#if filteredLayer.layerDef.name}
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|     <div bind:this={mainElem} class="mb-1.5">
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|         <label class="flex gap-1 no-image-background">
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|             <Checkbox selected={isDisplayed}/>
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|             <If condition={filteredLayer.isDisplayed}>
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|                 <ToSvelte
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|                         construct={() => layer.defaultIcon()?.SetClass("block h-6 w-6 no-image-background")}></ToSvelte>
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|                 <ToSvelte slot="else"
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|                           construct={() => layer.defaultIcon()?.SetClass("block h-6 w-6 no-image-background opacity-50")}></ToSvelte>
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|             </If>
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| 
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|             {filteredLayer.layerDef.name}
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| 
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|             {#if $zoomlevel < layer.minzoom}
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|         <span class="alert">
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|           <Tr t={Translations.t.general.layerSelection.zoomInToSeeThisLayer}/>
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|         </span>
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|             {/if}
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| 
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|         </label>
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| 
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|         {#if $isDisplayed && filteredLayer.layerDef.filters?.length > 0}
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|             <div id="subfilters" class="flex flex-col gap-y-1 ml-4">
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|                 {#each filteredLayer.layerDef.filters as filter}
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|                     <div>
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| 
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|                         <!-- There are three (and a half) modes of filters: a single checkbox, a radio button/dropdown or with searchable fields -->
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|                         {#if filter.options.length === 1 && filter.options[0].fields.length === 0}
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|                             <label>
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|                                 <Checkbox selected={getBooleanStateFor(filter)}/>
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|                                 {filter.options[0].question}
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|                             </label>
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|                         {/if}
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| 
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|                         {#if filter.options.length === 1 && filter.options[0].fields.length > 0}
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|                             <FilterviewWithFields id={filter.id} filteredLayer={filteredLayer}
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|                                                   option={filter.options[0]}></FilterviewWithFields>
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| 
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|                         {/if}
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| 
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|                         {#if filter.options.length > 1}
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|                             <Dropdown value={getStateFor(filter)}>
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|                                 {#each filter.options as option, i}
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|                                     <option value={i}>
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|                                         { option.question}
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|                                     </option>
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|                                 {/each}
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|                             </Dropdown>
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|                         {/if}
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| 
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| 
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|                     </div>
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|                 {/each}
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|             </div>
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|         {/if}
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|     </div>
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| {/if}
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| 
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