From 3d4f40f680a6b6faba6767404fa0f1cb48d5644b Mon Sep 17 00:00:00 2001
From: David Sehnal <david.sehnal@gmail.com>
Date: Sat, 2 Mar 2019 16:08:07 +0100
Subject: [PATCH] mol-plugin: SubstructureParentHelper
---
.../behavior/dynamic/representation.ts | 4 +-
src/mol-plugin/context.ts | 6 +-
.../util/structure-element-selection.ts | 61 +++++-------------
.../util/substructure-parent-helper.ts | 63 +++++++++++++++++++
4 files changed, 83 insertions(+), 51 deletions(-)
create mode 100644 src/mol-plugin/util/substructure-parent-helper.ts
diff --git a/src/mol-plugin/behavior/dynamic/representation.ts b/src/mol-plugin/behavior/dynamic/representation.ts
index bb1987dbf..c3df52b80 100644
--- a/src/mol-plugin/behavior/dynamic/representation.ts
+++ b/src/mol-plugin/behavior/dynamic/representation.ts
@@ -24,7 +24,7 @@ export const HighlightLoci = PluginBehavior.create({
ctor: class extends PluginBehavior.Handler {
register(): void {
let prev: Representation.Loci = { loci: EmptyLoci, repr: void 0 };
- const sel = this.ctx.selection.structure;
+ const sel = this.ctx.helpers.structureSelection;
this.subscribeObservable(this.ctx.events.canvas3d.highlight, ({ current, modifiers }) => {
if (!this.ctx.canvas3d) return;
@@ -58,7 +58,7 @@ export const SelectLoci = PluginBehavior.create({
category: 'interaction',
ctor: class extends PluginBehavior.Handler {
register(): void {
- const sel = this.ctx.selection.structure;
+ const sel = this.ctx.helpers.structureSelection;
const toggleSel = (current: Representation.Loci<StructureElement.Loci>) => {
if (sel.has(current.loci)) {
diff --git a/src/mol-plugin/context.ts b/src/mol-plugin/context.ts
index 63f8891d5..5f953100a 100644
--- a/src/mol-plugin/context.ts
+++ b/src/mol-plugin/context.ts
@@ -31,6 +31,7 @@ import { LociLabelEntry, LociLabelManager } from './util/loci-label-manager';
import { TaskManager } from './util/task-manager';
import { PLUGIN_VERSION, PLUGIN_VERSION_DATE } from './version';
import { StructureElementSelectionManager } from './util/structure-element-selection';
+import { SubstructureParentHelper } from './util/substructure-parent-helper';
export class PluginContext {
private disposed = false;
@@ -99,8 +100,9 @@ export class PluginContext {
readonly customModelProperties = new CustomPropertyRegistry();
readonly customParamEditors = new Map<string, StateTransformParameters.Class>();
- readonly selection = {
- structure: new StructureElementSelectionManager(this)
+ readonly helpers = {
+ structureSelection: new StructureElementSelectionManager(this),
+ substructureParent: new SubstructureParentHelper(this)
};
initViewer(canvas: HTMLCanvasElement, container: HTMLDivElement) {
diff --git a/src/mol-plugin/util/structure-element-selection.ts b/src/mol-plugin/util/structure-element-selection.ts
index b5f7d7b99..8ebe9d12d 100644
--- a/src/mol-plugin/util/structure-element-selection.ts
+++ b/src/mol-plugin/util/structure-element-selection.ts
@@ -4,34 +4,29 @@
* @author David Sehnal <david.sehnal@gmail.com>
*/
+import { OrderedSet } from 'mol-data/int';
import { EmptyLoci, Loci } from 'mol-model/loci';
import { Structure, StructureElement } from 'mol-model/structure';
-import { State, StateObject, StateSelection } from 'mol-state';
+import { StateObject } from 'mol-state';
import { PluginContext } from '../context';
import { PluginStateObject } from '../state/objects';
-import { OrderedSet } from 'mol-data/int';
export { StructureElementSelectionManager };
class StructureElementSelectionManager {
private entries = new Map<string, SelectionEntry>();
- // maps structure to a parent StateObjectCell
- private mapping = {
- root: new Map<Structure, string>(),
- tracked: new Map<string, Structure>()
- };
-
private getEntry(s: Structure) {
- if (!this.mapping.root.has(s)) return;
- const key = this.mapping.root.get(s)!;
- if (!this.entries.has(key)) {
+ const cell = this.plugin.helpers.substructureParent.get(s);
+ if (!cell) return;
+ const ref = cell.transform.ref;
+ if (!this.entries.has(ref)) {
const entry = SelectionEntry(s);
- this.entries.set(key, entry);
+ this.entries.set(ref, entry);
return entry;
}
- return this.entries.get(key)!;
+ return this.entries.get(ref)!;
}
add(loci: StructureElement.Loci): Loci {
@@ -112,27 +107,11 @@ class StructureElementSelectionManager {
return ret || EmptyLoci;
}
- private addMapping(state: State, ref: string, obj: StateObject) {
- if (!PluginStateObject.Molecule.Structure.is(obj)) return;
- const parent = state.select(StateSelection.Generators.byRef(ref).rootOfType([PluginStateObject.Molecule.Structure]))[0];
- this.mapping.tracked.set(ref, obj.data);
- if (!parent) {
- this.mapping.root.set(obj.data, ref);
- } else {
- this.mapping.root.set(obj.data, parent.transform.ref);
- }
- }
-
- private removeMapping(ref: string) {
- if (!this.mapping.tracked.has(ref)) return;
- const s = this.mapping.tracked.get(ref)!;
- this.mapping.tracked.delete(ref);
- const root = this.mapping.root.get(s);
- this.mapping.root.delete(s);
- if (root === ref) this.entries.delete(ref);
+ private onRemove(ref: string) {
+ if (this.entries.has(ref)) this.entries.delete(ref);
}
- private updateMapping(state: State, ref: string, oldObj: StateObject | undefined, obj: StateObject) {
+ private onUpdate(ref: string, oldObj: StateObject | undefined, obj: StateObject) {
if (!PluginStateObject.Molecule.Structure.is(obj)) return;
if (this.entries.has(ref)) {
@@ -146,24 +125,12 @@ class StructureElementSelectionManager {
// clear the selection
this.entries.set(ref, SelectionEntry(obj.data));
- } else {
- this.removeMapping(ref);
- this.addMapping(state, ref, obj);
}
}
- constructor(plugin: PluginContext) {
- plugin.state.dataState.events.object.created.subscribe(e => {
- this.addMapping(e.state, e.ref, e.obj);
- });
-
- plugin.state.dataState.events.object.removed.subscribe(e => {
- this.removeMapping(e.ref);
- });
-
- plugin.state.dataState.events.object.updated.subscribe(e => {
- this.updateMapping(e.state, e.ref, e.oldObj, e.obj);
- });
+ constructor(private plugin: PluginContext) {
+ plugin.state.dataState.events.object.removed.subscribe(e => this.onRemove(e.ref));
+ plugin.state.dataState.events.object.updated.subscribe(e => this.onUpdate(e.ref, e.oldObj, e.obj));
}
}
diff --git a/src/mol-plugin/util/substructure-parent-helper.ts b/src/mol-plugin/util/substructure-parent-helper.ts
new file mode 100644
index 000000000..322f43f73
--- /dev/null
+++ b/src/mol-plugin/util/substructure-parent-helper.ts
@@ -0,0 +1,63 @@
+/**
+ * Copyright (c) 2019 mol* contributors, licensed under MIT, See LICENSE file for more info.
+ *
+ * @author David Sehnal <david.sehnal@gmail.com>
+ */
+
+import { Structure } from 'mol-model/structure';
+import { State, StateObject, StateSelection, StateObjectCell } from 'mol-state';
+import { PluginContext } from '../context';
+import { PluginStateObject } from '../state/objects';
+
+export { SubstructureParentHelper };
+
+class SubstructureParentHelper {
+ private root = new Map<Structure, string>();
+ private tracked = new Map<string, Structure>();
+
+ get(s: Structure): StateObjectCell<PluginStateObject.Molecule.Structure> | undefined {
+ const r = this.root.get(s);
+ if (!r) return;
+ return this.plugin.state.dataState.cells.get(r);
+ }
+
+ private addMapping(state: State, ref: string, obj: StateObject) {
+ if (!PluginStateObject.Molecule.Structure.is(obj)) return;
+ const parent = state.select(StateSelection.Generators.byRef(ref).rootOfType([PluginStateObject.Molecule.Structure]))[0];
+ this.tracked.set(ref, obj.data);
+ if (!parent) {
+ this.root.set(obj.data, ref);
+ } else {
+ this.root.set(obj.data, parent.transform.ref);
+ }
+ }
+
+ private removeMapping(ref: string) {
+ if (!this.tracked.has(ref)) return;
+ const s = this.tracked.get(ref)!;
+ this.tracked.delete(ref);
+ this.root.get(s);
+ this.root.delete(s);
+ }
+
+ private updateMapping(state: State, ref: string, oldObj: StateObject | undefined, obj: StateObject) {
+ if (!PluginStateObject.Molecule.Structure.is(obj)) return;
+
+ this.removeMapping(ref);
+ this.addMapping(state, ref, obj);
+ }
+
+ constructor(private plugin: PluginContext) {
+ plugin.state.dataState.events.object.created.subscribe(e => {
+ this.addMapping(e.state, e.ref, e.obj);
+ });
+
+ plugin.state.dataState.events.object.removed.subscribe(e => {
+ this.removeMapping(e.ref);
+ });
+
+ plugin.state.dataState.events.object.updated.subscribe(e => {
+ this.updateMapping(e.state, e.ref, e.oldObj, e.obj);
+ });
+ }
+}
\ No newline at end of file
--
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