forked from MapComplete/MapComplete
		
	
		
			
				
	
	
		
			469 lines
		
	
	
		
			No EOL
		
	
	
		
			18 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			469 lines
		
	
	
		
			No EOL
		
	
	
		
			18 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import {UIEventSource} from "../../Logic/UIEventSource";
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import Combine from "../Base/Combine";
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import {InputElement} from "../Input/InputElement";
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import ValidatedTextField from "../Input/ValidatedTextField";
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import {FixedInputElement} from "../Input/FixedInputElement";
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import {RadioButton} from "../Input/RadioButton";
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import {Utils} from "../../Utils";
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import CheckBoxes from "../Input/Checkboxes";
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import InputElementMap from "../Input/InputElementMap";
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import {SaveButton} from "./SaveButton";
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import {VariableUiElement} from "../Base/VariableUIElement";
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import Translations from "../i18n/Translations";
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import {FixedUiElement} from "../Base/FixedUiElement";
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import {Translation} from "../i18n/Translation";
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import Constants from "../../Models/Constants";
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import {SubstitutedTranslation} from "../SubstitutedTranslation";
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import {TagsFilter} from "../../Logic/Tags/TagsFilter";
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import {Tag} from "../../Logic/Tags/Tag";
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import {And} from "../../Logic/Tags/And";
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import {TagUtils} from "../../Logic/Tags/TagUtils";
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import BaseUIElement from "../BaseUIElement";
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import {DropDown} from "../Input/DropDown";
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import InputElementWrapper from "../Input/InputElementWrapper";
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import ChangeTagAction from "../../Logic/Osm/Actions/ChangeTagAction";
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import TagRenderingConfig from "../../Models/ThemeConfig/TagRenderingConfig";
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import {Unit} from "../../Models/Unit";
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import VariableInputElement from "../Input/VariableInputElement";
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import Toggle from "../Input/Toggle";
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import Img from "../Base/Img";
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import FeaturePipelineState from "../../Logic/State/FeaturePipelineState";
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import Title from "../Base/Title";
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/**
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 * Shows the question element.
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 * Note that the value _migh_ already be known, e.g. when selected or when changing the value
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 */
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export default class TagRenderingQuestion extends Combine {
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    constructor(tags: UIEventSource<any>,
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                configuration: TagRenderingConfig,
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                state,
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                options?: {
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                    units?: Unit[],
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                    afterSave?: () => void,
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                    cancelButton?: BaseUIElement,
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                    saveButtonConstr?: (src: UIEventSource<TagsFilter>) => BaseUIElement,
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                    bottomText?: (src: UIEventSource<TagsFilter>) => BaseUIElement
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                }
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    ) {
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        const applicableMappingsSrc =
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            UIEventSource.ListStabilized(tags.map(tags => {
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                const applicableMappings: { if: TagsFilter, then: any, ifnot?: TagsFilter, addExtraTags: Tag[] }[] = []
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                for (const mapping of configuration.mappings ?? []) {
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                    if (mapping.hideInAnswer === true) {
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                        continue
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                    }
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                    if (mapping.hideInAnswer === false || mapping.hideInAnswer === undefined) {
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                        applicableMappings.push(mapping)
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                        continue
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                    }
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                    const condition = <TagsFilter>mapping.hideInAnswer;
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                    const isShown = !condition.matchesProperties(tags)
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                    if (isShown) {
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                        applicableMappings.push(mapping)
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                    }
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                }
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                return applicableMappings
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            }));
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        if (configuration === undefined) {
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            throw "A question is needed for a question visualization"
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        }
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        options = options ?? {}
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        const applicableUnit = (options.units ?? []).filter(unit => unit.isApplicableToKey(configuration.freeform?.key))[0];
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        const question = new Title(new SubstitutedTranslation(configuration.question, tags, state)
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            .SetClass("question-text"), 3);
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        const feedback = new UIEventSource<Translation>(undefined)
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        const inputElement: InputElement<TagsFilter> =
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            new VariableInputElement(applicableMappingsSrc.map(applicableMappings =>
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                TagRenderingQuestion.GenerateInputElement(state, configuration, applicableMappings, applicableUnit, tags, feedback)
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            ))
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        const save = () => {
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            const selection = inputElement.GetValue().data;
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            if (selection) {
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                (state?.changes)
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                    .applyAction(new ChangeTagAction(
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                        tags.data.id, selection, tags.data, {
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                            theme: state?.layoutToUse?.id ?? "unkown",
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                            changeType: "answer",
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                        }
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                    )).then(_ => {
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                    console.log("Tagchanges applied")
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                })
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                if (options.afterSave) {
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                    options.afterSave();
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                }
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            }
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        }
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        if (options.saveButtonConstr === undefined) {
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            options.saveButtonConstr = v => new SaveButton(v,
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                state?.osmConnection)
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                .onClick(save)
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        }
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        const saveButton = new Combine([
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            options.saveButtonConstr(inputElement.GetValue()),
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        ])
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        let bottomTags: BaseUIElement;
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        if (options.bottomText !== undefined) {
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            bottomTags = options.bottomText(inputElement.GetValue())
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        } else {
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            bottomTags = new VariableUiElement(
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                inputElement.GetValue().map(
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                    (tagsFilter: TagsFilter) => {
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                        const csCount = state?.osmConnection?.userDetails?.data?.csCount ?? 1000;
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                        if (csCount < Constants.userJourney.tagsVisibleAt) {
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                            return "";
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                        }
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                        if (tagsFilter === undefined) {
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                            return Translations.t.general.noTagsSelected.SetClass("subtle");
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                        }
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                        if (csCount < Constants.userJourney.tagsVisibleAndWikiLinked) {
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                            const tagsStr = tagsFilter.asHumanString(false, true, tags.data);
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                            return new FixedUiElement(tagsStr).SetClass("subtle");
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                        }
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                        return tagsFilter.asHumanString(true, true, tags.data);
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                    }
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                )
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            ).SetClass("block break-all")
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        }
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        super([
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            question,
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            inputElement,
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            new Combine([
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                new VariableUiElement(feedback.map(t => t?.SetStyle("padding-left: 0.75rem; padding-right: 0.75rem")?.SetClass("alert flex") ?? bottomTags)),
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                new Combine([
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                    new Combine([options.cancelButton]),
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                    saveButton]).SetClass("flex justify-end flex-wrap-reverse")
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            ]).SetClass("flex mt-2 justify-between"),
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            new Toggle(Translations.t.general.testing.SetClass("alert"), undefined, state.featureSwitchIsTesting)
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        ])
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        this.SetClass("question disable-links")
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    }
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    private static GenerateInputElement(
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        state,
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        configuration: TagRenderingConfig,
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        applicableMappings: { if: TagsFilter, then: any, ifnot?: TagsFilter, addExtraTags: Tag[] }[],
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        applicableUnit: Unit,
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        tagsSource: UIEventSource<any>,
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        feedback: UIEventSource<Translation>
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    ): InputElement<TagsFilter> {
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        // FreeForm input will be undefined if not present; will already contain a special input element if applicable
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        const ff = TagRenderingQuestion.GenerateFreeform(state, configuration, applicableUnit, tagsSource, feedback);
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        const hasImages = applicableMappings.findIndex(mapping => mapping.then.icon !== undefined) >= 0
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        let inputEls: InputElement<TagsFilter>[];
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        const ifNotsPresent = applicableMappings.some(mapping => mapping.ifnot !== undefined)
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        function allIfNotsExcept(excludeIndex: number): TagsFilter[] {
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            if (configuration.mappings === undefined || configuration.mappings.length === 0) {
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                return undefined
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            }
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            if (!ifNotsPresent) {
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                return []
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            }
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            if (configuration.multiAnswer) {
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                // The multianswer will do the ifnot configuration themself
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                return []
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            }
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            const negativeMappings = []
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            for (let i = 0; i < applicableMappings.length; i++) {
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                const mapping = applicableMappings[i];
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                if (i === excludeIndex || mapping.ifnot === undefined) {
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                    continue
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                }
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                negativeMappings.push(mapping.ifnot)
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            }
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            return Utils.NoNull(negativeMappings)
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        }
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        if (applicableMappings.length < 8 || configuration.multiAnswer || hasImages || ifNotsPresent) {
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            inputEls = (applicableMappings ?? []).map((mapping, i) => TagRenderingQuestion.GenerateMappingElement(state, tagsSource, mapping, allIfNotsExcept(i)));
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            inputEls = Utils.NoNull(inputEls);
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        } else {
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            const dropdown: InputElement<TagsFilter> = new DropDown("",
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                applicableMappings.map((mapping, i) => {
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                    return {
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                        value: new And([mapping.if, ...allIfNotsExcept(i)]),
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                        shown: Translations.WT(mapping.then)
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                    }
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                })
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            )
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            if (ff == undefined) {
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                return dropdown;
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            } else {
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                inputEls = [dropdown]
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            }
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        }
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        if (inputEls.length == 0) {
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            if (ff === undefined) {
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                throw "Error: could not generate a question: freeform and all mappings are undefined"
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            }
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            return ff;
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        }
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        if (ff) {
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            inputEls.push(ff);
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        }
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        if (configuration.multiAnswer) {
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            return TagRenderingQuestion.GenerateMultiAnswer(configuration, inputEls, ff, applicableMappings.map(mp => mp.ifnot))
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        } else {
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            return new RadioButton(inputEls, {selectFirstAsDefault: false})
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        }
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    }
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    private static GenerateMultiAnswer(
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        configuration: TagRenderingConfig,
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        elements: InputElement<TagsFilter>[], freeformField: InputElement<TagsFilter>, ifNotSelected: TagsFilter[]): InputElement<TagsFilter> {
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        const checkBoxes = new CheckBoxes(elements);
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        const inputEl = new InputElementMap<number[], TagsFilter>(
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            checkBoxes,
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            (t0, t1) => {
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                return t0?.shadows(t1) ?? false
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            },
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            (indices) => {
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                if (indices.length === 0) {
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                    return undefined;
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                }
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                const tags: TagsFilter[] = indices.map(i => elements[i].GetValue().data);
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                const oppositeTags: TagsFilter[] = [];
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                for (let i = 0; i < ifNotSelected.length; i++) {
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                    if (indices.indexOf(i) >= 0) {
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                        continue;
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                    }
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                    const notSelected = ifNotSelected[i];
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                    if (notSelected === undefined) {
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                        continue;
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                    }
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                    oppositeTags.push(notSelected);
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                }
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                tags.push(TagUtils.FlattenMultiAnswer(oppositeTags));
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                return TagUtils.FlattenMultiAnswer(tags);
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            },
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            (tags: TagsFilter) => {
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                // {key --> values[]}
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                const presentTags = TagUtils.SplitKeys([tags]);
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                const indices: number[] = []
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                // We also collect the values that have to be added to the freeform field
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                let freeformExtras: string[] = []
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                if (configuration.freeform?.key) {
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                    freeformExtras = [...(presentTags[configuration.freeform.key] ?? [])]
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                }
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                for (let j = 0; j < elements.length; j++) {
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                    const inputElement = elements[j];
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                    if (inputElement === freeformField) {
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                        continue;
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                    }
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                    const val = inputElement.GetValue();
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                    const neededTags = TagUtils.SplitKeys([val.data]);
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                    // if every 'neededKeys'-value is present in presentKeys, we have a match and enable the index
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                    if (TagUtils.AllKeysAreContained(presentTags, neededTags)) {
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                        indices.push(j);
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                        if (freeformExtras.length > 0) {
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                            const freeformsToRemove: string[] = (neededTags[configuration.freeform.key] ?? []);
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                            for (const toRm of freeformsToRemove) {
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                                const i = freeformExtras.indexOf(toRm);
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                                if (i >= 0) {
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                                    freeformExtras.splice(i, 1);
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                                }
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                            }
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                        }
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                    }
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                }
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                if (freeformField) {
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                    if (freeformExtras.length > 0) {
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                        freeformField.GetValue().setData(new Tag(configuration.freeform.key, freeformExtras.join(";")));
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                        indices.push(elements.indexOf(freeformField))
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                    } else {
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                        freeformField.GetValue().setData(undefined);
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                    }
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                }
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                return indices;
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            },
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            elements.map(el => el.GetValue())
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        );
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        freeformField?.GetValue()?.addCallbackAndRun(value => {
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            // The list of indices of the selected elements
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            const es = checkBoxes.GetValue();
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            const i = elements.length - 1;
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            // The actual index of the freeform-element
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            const index = es.data.indexOf(i);
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            if (value === undefined) {
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                // No data is set in the freeform text field; so we delete the checkmark if it is selected
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                if (index >= 0) {
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                    es.data.splice(index, 1);
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                    es.ping();
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                }
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            } else if (index < 0) {
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                // There is data defined in the checkmark, but the checkmark isn't checked, so we check it
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                // This is of course because the data changed
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                es.data.push(i);
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                es.ping();
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            }
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        });
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        return inputEl;
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    }
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    /**
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     * Generates a (Fixed) input element for this mapping.
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     * Note that the mapping might hide itself if the condition is not met anymore.
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     *
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     * Returns: [the element itself, the value to select if not selected. The contents of this UIEventSource might swap to undefined if the conditions to show the answer are unmet]
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     */
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    private static GenerateMappingElement(
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        state,
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        tagsSource: UIEventSource<any>,
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        mapping: {
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            if: TagsFilter,
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            then: Translation,
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            addExtraTags: Tag[],
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            icon?: string,
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            iconClass?: string
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        }, ifNot?: TagsFilter[]): InputElement<TagsFilter> {
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        let tagging: TagsFilter = mapping.if;
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        if (ifNot !== undefined) {
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            tagging = new And([mapping.if, ...ifNot])
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        }
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        if (mapping.addExtraTags) {
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            tagging = new And([tagging, ...mapping.addExtraTags])
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        }
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        return new FixedInputElement(
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            TagRenderingQuestion.GenerateMappingContent(mapping, tagsSource, state),
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            tagging,
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            (t0, t1) => t1.shadows(t0));
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    }
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    private static GenerateMappingContent(mapping: {
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        then: Translation,
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        icon?: string,
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        iconClass?: string
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    }, tagsSource: UIEventSource<any>, state: FeaturePipelineState): BaseUIElement {
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        const text = new SubstitutedTranslation(mapping.then, tagsSource, state)
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        if (mapping.icon === undefined) {
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            return text;
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        }
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        return new Combine([new Img(mapping.icon).SetClass("mapping-icon-"+(mapping.iconClass ?? "small")), text]).SetClass("flex")
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    }
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    private static GenerateFreeform(state, configuration: TagRenderingConfig, applicableUnit: Unit, tags: UIEventSource<any>, feedback: UIEventSource<Translation>)
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        : InputElement<TagsFilter> {
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        const freeform = configuration.freeform;
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        if (freeform === undefined) {
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            return undefined;
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        }
 | 
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        const pickString =
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            (string: any) => {
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                if (string === "" || string === undefined) {
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                    return undefined;
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                }
 | 
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                if (string.length >= 255) {
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                    return undefined
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                }
 | 
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                const tag = new Tag(freeform.key, string);
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 | 
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                if (freeform.addExtraTags === undefined) {
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                    return tag;
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                }
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                return new And([
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                        tag,
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                        ...freeform.addExtraTags
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                    ]
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                );
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            };
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        const toString = (tag) => {
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            if (tag instanceof And) {
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                for (const subtag of tag.and) {
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                    if (subtag instanceof Tag && subtag.key === freeform.key) {
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                        return subtag.value;
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                    }
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                }
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                return undefined;
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            } else if (tag instanceof Tag) {
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                return tag.value
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            }
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            return undefined;
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        }
 | 
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 | 
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        const tagsData = tags.data;
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        const feature = state.allElements.ContainingFeatures.get(tagsData.id)
 | 
						|
        const input: InputElement<string> = ValidatedTextField.ForType(configuration.freeform.type).ConstructInputElement({
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            country: () => tagsData._country,
 | 
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            location: [tagsData._lat, tagsData._lon],
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						|
            mapBackgroundLayer: state.backgroundLayer,
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						|
            unit: applicableUnit,
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            args: configuration.freeform.helperArgs,
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            feature,
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            placeholder: configuration.freeform.placeholder,
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            feedback
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        });
 | 
						|
        
 | 
						|
        input.GetValue().setData(tagsData[freeform.key] ?? freeform.default);
 | 
						|
        
 | 
						|
        input.GetValue().addCallbackD(v => {
 | 
						|
            if(v.length >= 255){
 | 
						|
                feedback.setData(Translations.t.validation.tooLong.Subs({count: v.length}))
 | 
						|
            }
 | 
						|
        })
 | 
						|
 | 
						|
        let inputTagsFilter: InputElement<TagsFilter> = new InputElementMap(
 | 
						|
            input, (a, b) => a === b || (a?.shadows(b) ?? false),
 | 
						|
            pickString, toString
 | 
						|
        );
 | 
						|
 | 
						|
        if (freeform.inline) {
 | 
						|
 | 
						|
            inputTagsFilter.SetClass("w-48-imp")
 | 
						|
            inputTagsFilter = new InputElementWrapper(inputTagsFilter, configuration.render, freeform.key, tags, state)
 | 
						|
            inputTagsFilter.SetClass("block")
 | 
						|
 | 
						|
        }
 | 
						|
 | 
						|
        return inputTagsFilter;
 | 
						|
 | 
						|
    }
 | 
						|
 | 
						|
} |