diff --git a/src/mol-model/structure/export/mmcif.ts b/src/mol-model/structure/export/mmcif.ts
index ea699f649fe5e900813d315af5cad2717b39bbb5..bf93893f0286359b919b70b8eb60620dc048768e 100644
--- a/src/mol-model/structure/export/mmcif.ts
+++ b/src/mol-model/structure/export/mmcif.ts
@@ -11,7 +11,7 @@ import { Structure, Element } from '../structure'
import { Model } from '../model'
import P from '../query/properties'
-interface Context {
+export interface CifExportContext {
structure: Structure,
model: Model
}
@@ -53,7 +53,7 @@ const atom_site_fields: CifField<Element.Location>[] = [
];
function copy_mmCif_cat(name: keyof mmCIF_Schema) {
- return ({ model }: Context) => {
+ return ({ model }: CifExportContext) => {
if (model.sourceData.kind !== 'mmCIF') return CifCategory.Empty;
const table = model.sourceData.data[name];
if (!table || !table._rowCount) return CifCategory.Empty;
@@ -61,12 +61,12 @@ function copy_mmCif_cat(name: keyof mmCIF_Schema) {
};
}
-function _entity({ model, structure }: Context): CifCategory {
+function _entity({ model, structure }: CifExportContext): CifCategory {
const keys = Structure.getEntityKeys(structure);
return CifCategory.ofTable('entity', model.entities.data, keys);
}
-function _atom_site({ structure }: Context): CifCategory {
+function _atom_site({ structure }: CifExportContext): CifCategory {
return {
data: structure,
name: 'atom_site',
@@ -104,7 +104,7 @@ export function encode_mmCIF_categories(encoder: CifWriter.Encoder, structure: S
if (models.length !== 1) throw 'Can\'t export stucture composed from multiple models.';
const model = models[0];
- const ctx: Context[] = [{ structure, model }];
+ const ctx: CifExportContext[] = [{ structure, model }];
for (const cat of Categories) {
encoder.writeCategory(cat, ctx);
diff --git a/src/mol-model/structure/model/formats/mmcif.ts b/src/mol-model/structure/model/formats/mmcif.ts
index abd3a7a5959269a8bd6d98fef96eb57f3efd7a4a..66c2bfc281ce22ddf1f1f31b560455a5bc0a2c26 100644
--- a/src/mol-model/structure/model/formats/mmcif.ts
+++ b/src/mol-model/structure/model/formats/mmcif.ts
@@ -24,6 +24,7 @@ import { getSequence } from './mmcif/sequence';
import { sortAtomSite } from './mmcif/sort';
import { mmCIF_Database, mmCIF_Schema } from 'mol-io/reader/cif/schema/mmcif';
import { Element } from '../../../structure'
+import { CustomProperties } from '../properties/custom';
import mmCIF_Format = Format.mmCIF
type AtomSite = mmCIF_Database['atom_site']
@@ -184,6 +185,7 @@ function createModel(format: mmCIF_Format, atom_site: AtomSite, previous?: Model
sourceData: format,
modelNum: format.data.atom_site.pdbx_PDB_model_num.value(0),
entities,
+ symmetry: getSymmetry(format),
atomicHierarchy,
sequence: getSequence(format.data, entities, atomicHierarchy, modifiedResidueNameMap),
atomicConformation: getConformation(atom_site),
@@ -193,7 +195,9 @@ function createModel(format: mmCIF_Format, atom_site: AtomSite, previous?: Model
secondaryStructure: getSecondaryStructureMmCif(format.data, atomicHierarchy),
modifiedResidueNameMap
},
- symmetry: getSymmetry(format)
+ customProperties: new CustomProperties(),
+ _staticPropertyData: Object.create(null),
+ _dynamicPropertyData: Object.create(null)
};
}
diff --git a/src/mol-model/structure/model/formats/mmcif/bonds.ts b/src/mol-model/structure/model/formats/mmcif/bonds.ts
index 4eb62528687553ac5ba1ff9afb74d2ea0d31afa2..5dd2180cec663da83adfeaca2b3b791d385de5de 100644
--- a/src/mol-model/structure/model/formats/mmcif/bonds.ts
+++ b/src/mol-model/structure/model/formats/mmcif/bonds.ts
@@ -10,6 +10,8 @@ import { LinkType } from '../../types'
import { findEntityIdByAsymId, findAtomIndexByLabelName } from './util'
import { Column } from 'mol-data/db'
+// TODO: add dynamic property descriptor for this?
+
export interface StructConn {
getResidueEntries(residueAIndex: number, residueBIndex: number): ReadonlyArray<StructConn.Entry>
getAtomEntries(atomIndex: number): ReadonlyArray<StructConn.Entry>
@@ -100,7 +102,7 @@ export namespace StructConn {
export const PropName = '__StructConn__';
export function fromModel(model: Model): StructConn | undefined {
- if (model.properties[PropName]) return model.properties[PropName];
+ if (model._staticPropertyData[PropName]) return model._staticPropertyData[PropName];
if (model.sourceData.kind !== 'mmCIF') return;
const { struct_conn } = model.sourceData.data;
@@ -189,7 +191,7 @@ export namespace StructConn {
}
const ret = new StructConnImpl(entries);
- model.properties[PropName] = ret;
+ model._staticPropertyData[PropName] = ret;
return ret;
}
}
@@ -230,7 +232,7 @@ export namespace ComponentBond {
export const PropName = '__ComponentBond__';
export function fromModel(model: Model): ComponentBond | undefined {
- if (model.properties[PropName]) return model.properties[PropName];
+ if (model._staticPropertyData[PropName]) return model._staticPropertyData[PropName];
if (model.sourceData.kind !== 'mmCIF') return
const { chem_comp_bond } = model.sourceData.data;
@@ -269,7 +271,7 @@ export namespace ComponentBond {
entry.add(nameA, nameB, ord, flags);
}
- model.properties[PropName] = compBond;
+ model._staticPropertyData[PropName] = compBond;
return compBond;
}
}
\ No newline at end of file
diff --git a/src/mol-model/structure/model/model.ts b/src/mol-model/structure/model/model.ts
index 6ade4fe45b03ca1b3642693475aadf7603e2b4e4..bce90da7e9885f370bcab28e772cfbc4d97bd9b0 100644
--- a/src/mol-model/structure/model/model.ts
+++ b/src/mol-model/structure/model/model.ts
@@ -11,6 +11,7 @@ import { AtomicHierarchy, AtomicConformation } from './properties/atomic'
import { ModelSymmetry } from './properties/symmetry'
import { CoarseHierarchy, CoarseConformation } from './properties/coarse'
import { Entities } from './properties/common';
+import { CustomProperties } from './properties/custom';
import { SecondaryStructure } from './properties/seconday-structure';
//import from_gro from './formats/gro'
@@ -35,15 +36,21 @@ interface Model extends Readonly<{
atomicHierarchy: AtomicHierarchy,
atomicConformation: AtomicConformation,
- /** Various parts of the code can "cache" custom properties here */
properties: {
+ // secondary structure provided by the input file
readonly secondaryStructure: SecondaryStructure,
// maps modified residue name to its parent
- readonly modifiedResidueNameMap: Map<string, string>,
- [customName: string]: any
+ readonly modifiedResidueNameMap: Map<string, string>
},
- // TODO: separate properties to "static" (propagated with trajectory) and "dynamic" (computed for each frame separately)
+ customProperties: CustomProperties,
+
+ /**
+ * Not to be accessed directly, each custom property descriptor
+ * defines property accessors that use this field to store the data.
+ */
+ _staticPropertyData: { [name: string]: any },
+ _dynamicPropertyData: { [name: string]: any },
coarseHierarchy: CoarseHierarchy,
coarseConformation: CoarseConformation
diff --git a/src/mol-model/structure/model/properties/custom.ts b/src/mol-model/structure/model/properties/custom.ts
new file mode 100644
index 0000000000000000000000000000000000000000..d9a06eee1c7a5f4e19ae8cc462117427a020ca4a
--- /dev/null
+++ b/src/mol-model/structure/model/properties/custom.ts
@@ -0,0 +1,8 @@
+/**
+ * Copyright (c) 2018 mol* contributors, licensed under MIT, See LICENSE file for more info.
+ *
+ * @author David Sehnal <david.sehnal@gmail.com>
+ */
+
+export * from './custom/descriptor'
+export * from './custom/collection'
\ No newline at end of file
diff --git a/src/mol-model/structure/model/properties/custom/collection.ts b/src/mol-model/structure/model/properties/custom/collection.ts
new file mode 100644
index 0000000000000000000000000000000000000000..75dda9b2da0f293d69f2f538a25e531c7ebb4780
--- /dev/null
+++ b/src/mol-model/structure/model/properties/custom/collection.ts
@@ -0,0 +1,25 @@
+/**
+ * Copyright (c) 2018 mol* contributors, licensed under MIT, See LICENSE file for more info.
+ *
+ * @author David Sehnal <david.sehnal@gmail.com>
+ */
+
+import { PropertyDescriptor } from './descriptor'
+
+export class CustomProperties {
+ private _list: PropertyDescriptor[] = [];
+ private _set = new Set<PropertyDescriptor>();
+
+ get all(): ReadonlyArray<PropertyDescriptor> {
+ return this._list;
+ }
+
+ add(desc: PropertyDescriptor) {
+ this._list.push(desc);
+ this._set.add(desc);
+ }
+
+ has(desc: PropertyDescriptor): boolean {
+ return this._set.has(desc);
+ }
+}
\ No newline at end of file
diff --git a/src/mol-model/structure/model/properties/custom/descriptor.ts b/src/mol-model/structure/model/properties/custom/descriptor.ts
new file mode 100644
index 0000000000000000000000000000000000000000..37af3562beddfa684797fb84c8459a75b1b0a332
--- /dev/null
+++ b/src/mol-model/structure/model/properties/custom/descriptor.ts
@@ -0,0 +1,18 @@
+/**
+ * Copyright (c) 2018 mol* contributors, licensed under MIT, See LICENSE file for more info.
+ *
+ * @author David Sehnal <david.sehnal@gmail.com>
+ */
+
+import { CifWriter } from 'mol-io/writer/cif'
+import { CifExportContext } from '../../../export/mmcif';
+
+interface PropertyDescriptor {
+ readonly isStatic: boolean,
+ readonly name: string,
+
+ /** Given a structure, returns a list of category providers used for export. */
+ getCifCategories: (ctx: CifExportContext) => CifWriter.Category.Provider[]
+}
+
+export { PropertyDescriptor }
\ No newline at end of file