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Do ModelView initialization actions before others (#11512)

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This commit is contained in:
Charles Gagnon
2020-07-27 10:40:40 -07:00
committed by GitHub
parent 6d77176b92
commit 67ddf81562
3 changed files with 32 additions and 24 deletions
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25
src/sql/workbench/browser/modelComponents/modelStore.ts
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@@ -19,6 +19,7 @@ export class ModelStore implements IModelStore {
private _descriptorMappings: { [x: string]: IComponentDescriptor } = {};
private _componentMappings: { [x: string]: IComponent } = {};
private _componentActions: { [x: string]: Deferred<IComponent> } = {};
private _componentInitializationActions: { [x: string]: Deferred<IComponent> } = {};
private _validationCallbacks: ((componentId: string) => Thenable<boolean>)[] = [];
constructor() {
}
@@ -51,12 +52,12 @@ export class ModelStore implements IModelStore {
return this._componentMappings[componentId];
}
eventuallyRunOnComponent<T>(componentId: string, action: (component: IComponent) => T): Promise<T> {
eventuallyRunOnComponent<T>(componentId: string, action: (component: IComponent) => T, isInitialization: boolean = false): Promise<T> {
let component = this.getComponent(componentId);
if (component) {
return Promise.resolve(action(component));
} else {
return this.addPendingAction(componentId, action);
return this.addPendingAction(componentId, action, isInitialization);
}
}
@@ -69,13 +70,18 @@ export class ModelStore implements IModelStore {
return Promise.all(this._validationCallbacks.map(callback => callback(componentId))).then(validations => validations.every(validation => validation === true));
}
private addPendingAction<T>(componentId: string, action: (component: IComponent) => T): Promise<T> {
private addPendingAction<T>(componentId: string, action: (component: IComponent) => T, isInitialization: boolean): Promise<T> {
// We create a promise and chain it onto a tracking promise whose resolve method
// will only be called once the component is created
let deferredPromise = this._componentActions[componentId];
// If this is an initialization action we want to run it before the other actions that may have come in
// after initialization but before the component was finished being created or we hit race conditions with
// setting properties
const actionsStore = isInitialization ? this._componentInitializationActions : this._componentActions;
let deferredPromise = actionsStore[componentId];
if (!deferredPromise) {
deferredPromise = new Deferred();
this._componentActions[componentId] = deferredPromise;
actionsStore[componentId] = deferredPromise;
}
let promise = deferredPromise.promise.then((component) => {
return action(component);
@@ -84,9 +90,10 @@ export class ModelStore implements IModelStore {
}
private runPendingActions(componentId: string, component: IComponent) {
let promiseTracker = this._componentActions[componentId];
if (promiseTracker) {
promiseTracker.resolve(component);
}
// If we have initialization actions to run start those first
const initializationActionsPromise = this._componentInitializationActions[componentId];
initializationActionsPromise?.resolve(component);
const actionsPromise = this._componentActions[componentId];
actionsPromise?.resolve(component);
}
}

28
src/sql/workbench/browser/modelComponents/viewBase.ts
View File

@@ -58,12 +58,12 @@ export abstract class ViewBase extends AngularDisposable implements IModelView {
throw new Error(nls.localize('componentTypeNotRegistered', "Could not find component for type {0}", ModelComponentTypes[component.type]));
}
let descriptor = this.modelStore.createComponentDescriptor(typeId, component.id);
this.setProperties(component.id, component.properties);
this.setLayout(component.id, component.layout);
this.registerEvent(component.id);
this.setProperties(component.id, component.properties, true);
this.setLayout(component.id, component.layout, true);
this.registerEvent(component.id, true);
if (component.itemConfigs) {
for (let item of component.itemConfigs) {
this.addToContainer(component.id, item);
this.addToContainer(component.id, item, undefined, true);
}
}
@@ -82,12 +82,12 @@ export abstract class ViewBase extends AngularDisposable implements IModelView {
this.queueAction(componentId, (component) => component.clearContainer());
}
addToContainer(containerId: string, itemConfig: IItemConfig, index?: number): void {
addToContainer(containerId: string, itemConfig: IItemConfig, index?: number, isInitialization?: boolean): void {
// Do not return the promise as this should be non-blocking
this.queueAction(containerId, (component) => {
let childDescriptor = this.defineComponent(itemConfig.componentShape);
component.addToContainer(childDescriptor, itemConfig.config, index);
});
}, isInitialization);
}
removeFromContainer(containerId: string, itemConfig: IItemConfig): void {
@@ -98,11 +98,11 @@ export abstract class ViewBase extends AngularDisposable implements IModelView {
});
}
setLayout(componentId: string, layout: any): void {
setLayout(componentId: string, layout: any, isInitialization?: boolean): void {
if (!layout) {
return;
}
this.queueAction(componentId, (component) => component.setLayout(layout));
this.queueAction(componentId, (component) => component.setLayout(layout), isInitialization);
}
setItemLayout(containerId: string, itemConfig: IItemConfig): void {
@@ -112,24 +112,24 @@ export abstract class ViewBase extends AngularDisposable implements IModelView {
});
}
setProperties(componentId: string, properties: { [key: string]: any; }): void {
setProperties(componentId: string, properties: { [key: string]: any; }, isInitialization?: boolean): void {
if (!properties) {
return;
}
this.queueAction(componentId, (component) => component.setProperties(properties));
this.queueAction(componentId, (component) => component.setProperties(properties), isInitialization);
}
refreshDataProvider(componentId: string, item: any): void {
this.queueAction(componentId, (component) => component.refreshDataProvider(item));
}
private queueAction<T>(componentId: string, action: (component: IComponent) => T): void {
this.modelStore.eventuallyRunOnComponent(componentId, action).catch(err => {
private queueAction<T>(componentId: string, action: (component: IComponent) => T, isInitialization?: boolean): void {
this.modelStore.eventuallyRunOnComponent(componentId, action, isInitialization).catch(err => {
// TODO add error handling
});
}
registerEvent(componentId: string) {
registerEvent(componentId: string, isInitialization?: boolean) {
this.queueAction(componentId, (component) => {
this._register(component.registerEventHandler(e => {
let modelViewEvent: IModelViewEventArgs = assign({
@@ -138,7 +138,7 @@ export abstract class ViewBase extends AngularDisposable implements IModelView {
}, e);
this._onEventEmitter.fire(modelViewEvent);
}));
});
}, isInitialization);
}
public get onEvent(): Event<IModelViewEventArgs> {