mobx#observe JavaScript Examples

The following examples show how to use mobx#observe. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: Grid.js From label-studio-frontend with Apache License 2.0

6 votes

componentDidMount() {
    Promise.all(this.props.annotation.objects.map(o => {
      return o.isReady
        ? Promise.resolve(o.isReady)
        : new Promise(resolve => {
          const dispose = observe(o, "isReady", ()=>{
            dispose();
            resolve();
          });
        });
    })).then(()=>{
      // ~2 ticks for canvas to be rendered and resized completely
      setTimeout(this.props.onFinish, 32);
    });
  }

Example #2

Source File: view.js From label-studio-frontend with Apache License 2.0

6 votes

componentDidMount() {
    const { item } = this.props;

    item.setNeedsUpdateCallbacks(
      this._moveElementsToWorkingNode,
      this._returnElementsFromWorkingNode,
    );

    if (!item.inline) {
      this.dispose = observe(item, "_isReady", this.updateLoadingVisibility, true);
    }
  }

Example #3

Source File: capture-central-live-events.js From content-components with Apache License 2.0

6 votes

observeQueryParams() {
		observe(
			rootStore.routingStore,
			'queryParams',
			async change => {
				if (this.loading) {
					return;
				}

				const { searchQuery = '' } = toJS(change.newValue);

				if (rootStore.routingStore.getPage() === pageNames.manageLiveEvents) {
					await this.reload({ searchQuery });
				}
			}
		);
	}

Example #4

Source File: content-filter-dropdown.js From content-components with Apache License 2.0

6 votes

observeQueryParams() {
		observe(
			rootStore.routingStore,
			'queryParams',
			change => {
				if (this.loading) {
					return;
				}

				const { dateModified = '', dateCreated = '' } =
					toJS(change.newValue);

				if (dateModified === this.selectedFilterParams.dateModified &&
					dateCreated === this.selectedFilterParams.dateCreated
				) {
					return;
				}

				this.selectedFilterParams = { dateModified, dateCreated };
			}
		);
	}

Example #5

Source File: content-list.js From content-components with Apache License 2.0

6 votes

observeQueryParams() {
		observe(
			rootStore.routingStore,
			'queryParams',
			change => {
				if (this.loading) {
					return;
				}

				const {
					searchQuery: updatedSearchQuery = '',
					sortQuery: updatedSortQuery = 'updatedAt:desc',
					dateCreated: updatedDateCreated = '',
					dateModified: updatedDateModified = ''
				} = toJS(change.newValue);

				const { searchQuery, sortQuery, dateCreated, dateModified } =
					this.queryParams;

				if (updatedSearchQuery === searchQuery && updatedSortQuery === sortQuery &&
					updatedDateCreated === dateCreated && updatedDateModified === dateModified
				) {
					return;
				}

				this.queryParams = {
					searchQuery: updatedSearchQuery,
					sortQuery: updatedSortQuery,
					dateCreated: updatedDateCreated,
					dateModified: updatedDateModified
				};
				this.reloadPage();
			}
		);
	}

Example #6

Source File: content-list.js From content-components with Apache License 2.0

6 votes

observeSuccessfulUpload() {
		observe(
			this.uploader,
			'successfulUpload',
			async change => {
				if (change.newValue &&
					change.newValue.content &&
					!this.areAnyFiltersActive()) {
					return this.addNewItemIntoContentItems(toJS(change.newValue));
				}
			}
		);
	}

Example #7

Source File: d2l-capture-central-live-events-create.js From content-components with Apache License 2.0

6 votes

observeSubView() {
		observe(
			rootStore.routingStore,
			'subView',
			async change => {
				if (!change.oldValue &&
					change.newValue === pageNames.manageLiveEventsCreate) {
					this.reloadPage();
				}
			}
		);
	}

Example #8

Source File: d2l-capture-central-live-events-edit.js From content-components with Apache License 2.0

6 votes

observeQueryParams() {
		observe(
			rootStore.routingStore,
			'queryParams',
			async() => {
				if (this.loading) {
					return;
				}

				if (rootStore.routingStore.page === pageNames.manageLiveEvents &&
					rootStore.routingStore.subView === pageNames.manageLiveEventsEdit) {
					this.reloadPage();
				}
			}
		);
	}

Example #9

Source File: content-filter-dropdown.js From content-components with Apache License 2.0

6 votes

observeQueryParams() {
		observe(
			rootStore.routingStore,
			'queryParams',
			change => {
				if (this.loading) {
					return;
				}

				const { contentType = '', dateModified = '', dateCreated = '' } =
					toJS(change.newValue);

				if (contentType === this.selectedFilterParams.contentType &&
					dateModified === this.selectedFilterParams.dateModified &&
					dateCreated === this.selectedFilterParams.dateCreated
				) {
					return;
				}

				this.selectedFilterParams = { contentType, dateModified, dateCreated };
			}
		);
	}

Example #10

Source File: content-list.js From content-components with Apache License 2.0

6 votes

observeQueryParams() {
		observe(
			rootStore.routingStore,
			'queryParams',
			change => {
				if (this.loading) {
					return;
				}

				const {
					searchQuery: updatedSearchQuery = '',
					sortQuery: updatedSortQuery = 'updatedAt:desc',
					contentType: updatedContentType = '',
					dateCreated: updatedDateCreated = '',
					dateModified: updatedDateModified = ''
				} = toJS(change.newValue);

				const { searchQuery, sortQuery, contentType, dateCreated, dateModified } =
					this.queryParams;

				if (updatedSearchQuery === searchQuery && updatedSortQuery === sortQuery &&
					updatedContentType === contentType && updatedDateCreated === dateCreated &&
					updatedDateModified === dateModified
				) {
					return;
				}

				this.queryParams = {
					searchQuery: updatedSearchQuery,
					sortQuery: updatedSortQuery,
					contentType: updatedContentType,
					dateCreated: updatedDateCreated,
					dateModified: updatedDateModified
				};
				this.reloadPage();
			}
		);
	}

Example #11

Source File: content-list.js From content-components with Apache License 2.0

6 votes

observeSuccessfulUpload() {
		observe(
			this.uploader,
			'successfulUpload',
			async change => {
				if (change.newValue &&
					change.newValue.content &&
					!this.areAnyFiltersActive()) {
					return this.addNewItemIntoContentItems(toJS(change.newValue));
				}
			}
		);
	}

Example #12

Source File: d2l-content-store-manage.js From content-components with Apache License 2.0

6 votes

constructor() {
		super();
		observe(
			this.rootStore.routingStore,
			'subView',
			change => {
				if (this.rootStore.routingStore.page === 'manage') {
					this.loadSubView(change.newValue);
				}
			}
		);

		observe(
			this.rootStore.routingStore,
			'page',
			change => {
				if (change.newValue === 'manage') {
					console.log(`Four page changed from ${change.oldValue} to ${change.newValue}`);
				}

				if (this.rootStore.routingStore.page === 'manage') {
					console.log(`Your page changed from ${change.oldValue} to ${change.newValue}`);
				}
			}
		);
	}

Example #13

Source File: EllipseWatcher.js From label-studio-frontend with Apache License 2.0

5 votes

handleUpdate() {
    this.disposers = ["x", "y", "radiusX", "radiusY", "rotation"].map(property => {
      return observe(this.element, property, this.onUpdate, true);
    });
  }

Example #14

Source File: PolygonWatcher.js From label-studio-frontend with Apache License 2.0

5 votes

handleUpdate() {
    this.disposers = ["x", "y", "width", "height"].map(property => {
      return observe(this.element, property, this.onUpdate, true);
    });
  }

Example #15

Source File: PropertyWatcher.js From label-studio-frontend with Apache License 2.0

5 votes

createPropertyWatcher = props => {
  return class {
    constructor(root, element, callback) {
      this.root = root;
      this.element = element;
      this.callback = callback;

      this.handleUpdate();
    }

    handleUpdate() {
      this.disposers = this._watchProperties(this.element, props, []);
    }

    onUpdate = debounce(() => {
      this.callback();
    }, 10);

    destroy() {
      this.disposers.forEach(dispose => dispose());
    }

    _watchProperties(element, propsList, disposers) {
      return propsList.reduce((res, property) => {
        if (typeof property !== "string") {
          Object.keys(property).forEach(propertyName => {
            this._watchProperties(element[propertyName], property[propertyName], disposers);
          });
        } else {
          if (Array.isArray(element)) {
            element.forEach(el => this._watchProperties(el, propsList, disposers));
          } else {
            res.push(observe(element, property, this.onUpdate, true));
          }
        }

        return res;
      }, disposers);
    }
  };
}

Example #16

Source File: Polygon.js From label-studio-frontend with Apache License 2.0

4 votes

_Tool = types
  .model("PolygonTool", {
    group: "segmentation",
    shortcut: "P",
  })
  .views(self => {
    const Super = {
      createRegionOptions: self.createRegionOptions,
      isIncorrectControl: self.isIncorrectControl,
      isIncorrectLabel: self.isIncorrectLabel,
      startDrawing: self.startDrawing,
    };

    return {
      get getActivePolygon() {
        const poly = self.currentArea;

        if (poly && poly.closed) return null;
        if (poly === undefined) return null;
        if (poly && poly.type !== "polygonregion") return null;

        return poly;
      },

      get tagTypes() {
        return {
          stateTypes: "polygonlabels",
          controlTagTypes: ["polygonlabels", "polygon"],
        };
      },

      get viewTooltip() {
        return "Polygon region";
      },
      get iconComponent() {
        return self.dynamic
          ? NodeViews.PolygonRegionModel.altIcon
          : NodeViews.PolygonRegionModel.icon;
      },

      get defaultDimensions() {
        return DEFAULT_DIMENSIONS.polygon;
      },

      moreRegionParams(obj) {
        return {
          x: obj.value.points[0][0],
          y: obj.value.points[0][1],
        };
      },

      createRegionOptions({ x, y }) {
        return Super.createRegionOptions({
          points: [[x, y]],
          width: 10,
        });
      },

      startDrawing(x, y) {
        if (isFF(FF_DEV_2432)) {
          self.annotation.history.freeze();
          self.mode = "drawing";

          self.currentArea = self.createRegion(self.createRegionOptions({ x, y }));
        } else {
          Super.startDrawing(x, y);
        }
      },

      isIncorrectControl() {
        return Super.isIncorrectControl() && self.current() === null;
      },
      isIncorrectLabel() {
        return !self.current() && Super.isIncorrectLabel();
      },
      canStart() {
        return self.current() === null;
      },

      current() {
        return self.getActivePolygon;
      },
    };
  })
  .actions(self => {
    let disposer;
    let closed;

    return {
      handleToolSwitch(tool) {

        if (self.getCurrentArea()?.isDrawing && tool.toolName !== 'ZoomPanTool') {
          const shape = self.getCurrentArea()?.toJSON();
          
          if (shape?.points?.length > 2) self.finishDrawing();
          else self.cleanupUncloseableShape();
        }
      },
      listenForClose() {
        closed = false;
        disposer = observe(self.getCurrentArea(), "closed", () => {
          if (self.getCurrentArea().closed && !closed) {
            self.finishDrawing();
          }
        }, true);
      },
      closeCurrent() {
        if (disposer) disposer();
        if (closed) return;
        closed = true;
        self.getCurrentArea().closePoly();
      },
    };
  })