diff options
Diffstat (limited to 'src/new_fields/Doc.ts')
-rw-r--r-- | src/new_fields/Doc.ts | 122 |
1 files changed, 114 insertions, 8 deletions
diff --git a/src/new_fields/Doc.ts b/src/new_fields/Doc.ts index b0184dd4e..0d9fa540f 100644 --- a/src/new_fields/Doc.ts +++ b/src/new_fields/Doc.ts @@ -3,13 +3,24 @@ import { serializable, primitive, map, alias, list } from "serializr"; import { autoObject, SerializationHelper, Deserializable } from "../client/util/SerializationHelper"; import { DocServer } from "../client/DocServer"; import { setter, getter, getField, updateFunction, deleteProperty, makeEditable, makeReadOnly } from "./util"; -import { Cast, ToConstructor, PromiseValue, FieldValue, NumCast } from "./Types"; +import { Cast, ToConstructor, PromiseValue, FieldValue, NumCast, BoolCast, StrCast } from "./Types"; import { listSpec } from "./Schema"; import { ObjectField } from "./ObjectField"; import { RefField, FieldId } from "./RefField"; import { ToScriptString, SelfProxy, Parent, OnUpdate, Self, HandleUpdate, Update, Id } from "./FieldSymbols"; +import { scriptingGlobal } from "../client/util/Scripting"; +import { List } from "./List"; export namespace Field { + export function toKeyValueString(doc: Doc, key: string): string { + const onDelegate = Object.keys(doc).includes(key); + + let field = FieldValue(doc[key]); + if (Field.IsField(field)) { + return (onDelegate ? "=" : "") + Field.toScriptString(field); + } + return ""; + } export function toScriptString(field: Field): string { if (typeof field === "string") { return `"${field}"`; @@ -55,6 +66,7 @@ export function DocListCast(field: FieldResult): Doc[] { export const WidthSym = Symbol("Width"); export const HeightSym = Symbol("Height"); +@scriptingGlobal @Deserializable("doc").withFields(["id"]) export class Doc extends RefField { constructor(id?: FieldId, forceSave?: boolean) { @@ -199,6 +211,18 @@ export namespace Doc { } return protos; } + + /** + * This function is intended to model Object.assign({}, {}) [https://mzl.la/1Mo3l21], which copies + * the values of the properties of a source object into the target. + * + * This is just a specific, Dash-authored version that serves the same role for our + * Doc class. + * + * @param doc the target document into which you'd like to insert the new fields + * @param fields the fields to project onto the target. Its type signature defines a mapping from some string key + * to a potentially undefined field, where each entry in this mapping is optional. + */ export function assign<K extends string>(doc: Doc, fields: Partial<Record<K, Opt<Field>>>) { for (const key in fields) { if (fields.hasOwnProperty(key)) { @@ -239,18 +263,45 @@ export namespace Doc { return Array.from(results); } - export function AddDocToList(target: Doc, key: string, doc: Doc, relativeTo?: Doc, before?: boolean) { + export function AddDocToList(target: Doc, key: string, doc: Doc, relativeTo?: Doc, before?: boolean, first?: boolean, allowDuplicates?: boolean) { + if (target[key] === undefined) { + Doc.GetProto(target)[key] = new List<Doc>(); + } let list = Cast(target[key], listSpec(Doc)); if (list) { - let ind = relativeTo ? list.indexOf(relativeTo) : -1; - if (ind === -1) list.push(doc); - else list.splice(before ? ind : ind + 1, 0, doc); + if (allowDuplicates !== true) { + let pind = list.reduce((l, d, i) => d instanceof Doc && Doc.AreProtosEqual(d, doc) ? i : l, -1); + if (pind !== -1) { + list.splice(pind, 1); + } + } + if (first) list.splice(0, 0, doc); + else { + let ind = relativeTo ? list.indexOf(relativeTo) : -1; + if (ind === -1) list.push(doc); + else list.splice(before ? ind : ind + 1, 0, doc); + } } return true; } // - // Resolves a reference to a field by returning 'doc' if o field extension is specified, + // Computes the bounds of the contents of a set of documents. + // + export function ComputeContentBounds(docList: Doc[]) { + let bounds = docList.reduce((bounds, doc) => { + var [sptX, sptY] = [NumCast(doc.x), NumCast(doc.y)]; + let [bptX, bptY] = [sptX + doc[WidthSym](), sptY + doc[HeightSym]()]; + return { + x: Math.min(sptX, bounds.x), y: Math.min(sptY, bounds.y), + r: Math.max(bptX, bounds.r), b: Math.max(bptY, bounds.b) + }; + }, { x: Number.MAX_VALUE, y: Number.MAX_VALUE, r: Number.MIN_VALUE, b: Number.MIN_VALUE }); + return bounds; + } + + // + // Resolves a reference to a field by returning 'doc' if field extension is specified, // otherwise, it returns the extension document stored in doc.<fieldKey>_ext. // This mechanism allows any fields to be extended with an extension document that can // be used to capture field-specific metadata. For example, an image field can be extended @@ -261,23 +312,50 @@ export namespace Doc { } export function UpdateDocumentExtensionForField(doc: Doc, fieldKey: string) { - if (doc[fieldKey + "_ext"] === undefined) { + let extensionDoc = doc[fieldKey + "_ext"]; + if (extensionDoc === undefined) { setTimeout(() => { let docExtensionForField = new Doc(doc[Id] + fieldKey, true); docExtensionForField.title = "Extension of " + doc.title + "'s field:" + fieldKey; + docExtensionForField.extendsDoc = doc; let proto: Doc | undefined = doc; while (proto && !Doc.IsPrototype(proto)) { proto = proto.proto; } (proto ? proto : doc)[fieldKey + "_ext"] = docExtensionForField; }, 0); + } else if (extensionDoc instanceof Doc && extensionDoc.extendsDoc === undefined) { + setTimeout(() => (extensionDoc as Doc).extendsDoc = doc, 0); } } export function MakeAlias(doc: Doc) { if (!GetT(doc, "isPrototype", "boolean", true)) { return Doc.MakeCopy(doc); } - return new Doc; + return Doc.MakeDelegate(doc); // bcz? + } + + export function expandTemplateLayout(templateLayoutDoc: Doc, dataDoc?: Doc) { + let resolvedDataDoc = (templateLayoutDoc !== dataDoc) ? dataDoc : undefined; + if (!dataDoc || !(templateLayoutDoc && !(Cast(templateLayoutDoc.layout, Doc) instanceof Doc) && resolvedDataDoc && resolvedDataDoc !== templateLayoutDoc)) { + return templateLayoutDoc; + } + // if we have a data doc that doesn't match the layout, then we're rendering a template. + // ... which means we change the layout to be an expanded view of the template layout. + // This allows the view override the template's properties and be referenceable as its own document. + + let expandedTemplateLayout = templateLayoutDoc["_expanded_" + dataDoc[Id]]; + if (expandedTemplateLayout instanceof Doc) { + return expandedTemplateLayout; + } + if (expandedTemplateLayout === undefined && BoolCast(templateLayoutDoc.isTemplate)) { + setTimeout(() => { + templateLayoutDoc["_expanded_" + dataDoc[Id]] = Doc.MakeDelegate(templateLayoutDoc); + (templateLayoutDoc["_expanded_" + dataDoc[Id]] as Doc).title = templateLayoutDoc.title + " applied to " + dataDoc.title; + (templateLayoutDoc["_expanded_" + dataDoc[Id]] as Doc).isExpandedTemplate = templateLayoutDoc; + }, 0); + } + return templateLayoutDoc; } export function MakeCopy(doc: Doc, copyProto: boolean = false): Doc { @@ -312,4 +390,32 @@ export namespace Doc { delegate.proto = doc; return delegate; } + + export function MakeTemplate(fieldTemplate: Doc, metaKey: string, proto: Doc) { + // move data doc fields to layout doc as needed (nativeWidth/nativeHeight, data, ??) + let backgroundLayout = StrCast(fieldTemplate.backgroundLayout); + let fieldLayoutDoc = fieldTemplate; + if (fieldTemplate.layout instanceof Doc) { + fieldLayoutDoc = Doc.MakeDelegate(fieldTemplate.layout); + } + let layout = StrCast(fieldLayoutDoc.layout).replace(/fieldKey={"[^"]*"}/, `fieldKey={"${metaKey}"}`); + if (backgroundLayout) { + layout = StrCast(fieldLayoutDoc.layout).replace(/fieldKey={"[^"]*"}/, `fieldKey={"${metaKey}"} fieldExt={"annotations"}`); + backgroundLayout = backgroundLayout.replace(/fieldKey={"[^"]*"}/, `fieldKey={"${metaKey}"}`); + } + let nw = Cast(fieldTemplate.nativeWidth, "number"); + let nh = Cast(fieldTemplate.nativeHeight, "number"); + + let layoutDelegate = fieldTemplate.layout instanceof Doc ? fieldLayoutDoc : fieldTemplate; + layoutDelegate.layout = layout; + + fieldTemplate.title = metaKey; + fieldTemplate.layout = layoutDelegate !== fieldTemplate ? layoutDelegate : layout; + fieldTemplate.backgroundLayout = backgroundLayout; + fieldTemplate.nativeWidth = nw; + fieldTemplate.nativeHeight = nh; + fieldTemplate.isTemplate = true; + fieldTemplate.showTitle = "title"; + fieldTemplate.proto = proto; + } }
\ No newline at end of file |