public onPluginEvent()

in packages/roosterjs-editor-plugins/lib/plugins/Picker/PickerPlugin.ts [153:218]
52 lines of code
17 McCabe index (conditional complexity)

    public onPluginEvent(event: PluginEvent) {
        switch (event.eventType) {
            case PluginEventType.ContentChanged:
                if (event.source == ChangeSource.SetContent && this.dataProvider.onContentChanged) {
                    // Stop suggesting since content is fully changed
                    if (this.isSuggesting) {
                        this.setIsSuggesting(false);
                    }

                    // Undo and other major changes to document content fire this type of event.
                    // Inform the data provider of the current picker placed elements in the body.
                    let elementIds: string[] = [];
                    this.editor.queryElements(
                        "[id^='" + this.pickerOptions.elementIdPrefix + "']",
                        element => {
                            if (element.id) {
                                elementIds.push(element.id);
                            }
                        }
                    );
                    this.dataProvider.onContentChanged(elementIds);
                }
                break;

            case PluginEventType.KeyDown:
                this.eventHandledOnKeyDown = false;
                if (this.isAndroidKeyboardEvent(event)) {
                    // On Android, the key for KeyboardEvent is "Unidentified" or undefined,
                    // so handling should be done using the input rather than key down event
                    // Since the key down event happens right before the input event, calculate the input
                    // length here in preparation for onAndroidInputEvent
                    this.currentInputLength = this.calcInputLength(event);
                    this.isPendingInputEventHandling = true;
                } else {
                    this.onKeyDownEvent(event);
                    this.isPendingInputEventHandling = false;
                }
                break;

            case PluginEventType.Input:
                if (this.isPendingInputEventHandling) {
                    this.onAndroidInputEvent(event);
                }
                break;

            case PluginEventType.KeyUp:
                if (!this.eventHandledOnKeyDown && this.shouldHandleKeyUpEvent(event)) {
                    this.onKeyUpDomEvent(event);
                    this.isPendingInputEventHandling = false;
                }
                break;

            case PluginEventType.MouseUp:
                if (this.isSuggesting) {
                    this.setIsSuggesting(false);
                }
                break;

            case PluginEventType.Scroll:
                if (this.dataProvider.onScroll) {
                    // Dispatch scroll event to data provider
                    this.dataProvider.onScroll(event.scrollContainer);
                }
                break;
        }
    }