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import { createDarkColorHandler } from '../editor/DarkColorHandlerImpl';
import { createEditPlugin } from './EditPlugin';
import { IgnoredPluginNames } from '../editor/IgnoredPluginNames';
import { newEventToOldEvent, oldEventToNewEvent } from '../editor/utils/eventConverter';
import type {
EditorPlugin as LegacyEditorPlugin,
PluginEvent as LegacyPluginEvent,
ContextMenuProvider as LegacyContextMenuProvider,
IEditor as ILegacyEditor,
ExperimentalFeatures,
SizeTransformer,
EditPluginState,
CustomData,
DarkColorHandler,
} from 'roosterjs-editor-types';
import type { ContextMenuProvider, IEditor, PluginEvent } from 'roosterjs-content-model-types';
import type { MixedPlugin } from '../publicTypes/MixedPlugin';
const ExclusivelyHandleEventPluginKey = '__ExclusivelyHandleEventPlugin';
const OldEventKey = '__OldEventFromNewEvent';
/**
* @internal
* Represents the core data structure of a editor adapter
*/
export interface EditorAdapterCore {
/**
* Custom data of this editor
*/
readonly customData: Record<string, CustomData>;
/**
* Enabled experimental features
*/
readonly experimentalFeatures: ExperimentalFeatures[];
/**
* Dark model handler for the editor, used for variable-based solution.
* If keep it null, editor will still use original dataset-based dark mode solution.
*/
readonly darkColorHandler: DarkColorHandler;
/**
* Plugin state of EditPlugin
*/
readonly edit: EditPluginState;
/**
* Context Menu providers
*/
readonly contextMenuProviders: LegacyContextMenuProvider<any>[];
/**
* @deprecated Use zoomScale instead
*/
readonly sizeTransformer: SizeTransformer;
}
/**
* @internal
* Act as a bridge between Standalone editor and Content Model editor, translate Standalone editor event type to legacy event type
*/
export class BridgePlugin implements ContextMenuProvider<any> {
private editor: IEditor | null = null;
private legacyPlugins: LegacyEditorPlugin[];
private edit: EditPluginState;
private contextMenuProviders: LegacyContextMenuProvider<any>[];
private checkExclusivelyHandling: boolean;
constructor(
private onInitialize: (core: EditorAdapterCore) => ILegacyEditor,
legacyPlugins: LegacyEditorPlugin[] = [],
private experimentalFeatures: string[] = []
) {
const editPlugin = createEditPlugin();
this.legacyPlugins = [
editPlugin,
...legacyPlugins.filter(x => !!x && IgnoredPluginNames.indexOf(x.getName()) < 0),
];
this.edit = editPlugin.getState();
this.contextMenuProviders = this.legacyPlugins.filter(isContextMenuProvider);
this.checkExclusivelyHandling = this.legacyPlugins.some(
plugin => plugin.willHandleEventExclusively
);
}
/**
* Get a friendly name of this plugin
*/
getName() {
return 'Bridge';
}
/**
* Initialize this plugin. This should only be called from Editor
* @param editor Editor instance
*/
initialize(editor: IEditor) {
const outerEditor = this.onInitialize(this.createEditorCore(editor));
this.editor = editor;
this.legacyPlugins.forEach(plugin => {
plugin.initialize(outerEditor);
if (isMixedPlugin(plugin)) {
plugin.initializeV9(editor);
}
});
}
/**
* Dispose this plugin
*/
dispose() {
for (let i = this.legacyPlugins.length - 1; i >= 0; i--) {
const plugin = this.legacyPlugins[i];
plugin.dispose();
}
this.editor = null;
}
willHandleEventExclusively(event: PluginEvent) {
return this.checkExclusivelyHandling && !!this.cacheGetExclusivelyHandlePlugin(event);
}
onPluginEvent(event: PluginEvent) {
const oldEvent = this.cacheGetOldEvent(event);
const exclusivelyHandleEventPlugin = this.cacheGetExclusivelyHandlePlugin(event);
if (exclusivelyHandleEventPlugin) {
this.handleEvent(exclusivelyHandleEventPlugin, oldEvent, event);
} else {
this.legacyPlugins.forEach(plugin => this.handleEvent(plugin, oldEvent, event));
}
if (oldEvent) {
Object.assign(
event,
oldEventToNewEvent(
oldEvent,
event,
this.editor?.getEnvironment().domToModelSettings
)
);
}
}
/**
* A callback to return context menu items
* @param target Target node that triggered a ContextMenu event
* @returns An array of context menu items, or null means no items needed
*/
getContextMenuItems(target: Node, event?: Event): any[] {
const allItems: any[] = [];
this.contextMenuProviders.forEach(provider => {
if (isMixedPluginProvider(provider)) {
const items = provider.getContextMenuItems(target, event) ?? [];
if (items?.length > 0) {
if (allItems.length > 0) {
allItems.push(null);
}
allItems.push(...items);
}
} else {
const items = provider.getContextMenuItems(target) ?? [];
if (items?.length > 0) {
if (allItems.length > 0) {
allItems.push(null);
}
allItems.push(...items);
}
}
});
return allItems;
}
private cacheGetExclusivelyHandlePlugin(event: PluginEvent) {
return cacheGetEventData(event, ExclusivelyHandleEventPluginKey, event => {
const oldEvent = this.cacheGetOldEvent(event);
for (let i = 0; i < this.legacyPlugins.length; i++) {
const plugin = this.legacyPlugins[i];
if (oldEvent && plugin.willHandleEventExclusively?.(oldEvent)) {
return plugin;
}
Iif (isMixedPlugin(plugin) && plugin.willHandleEventExclusivelyV9?.(event)) {
return plugin;
}
}
return null;
});
}
private cacheGetOldEvent(event: PluginEvent) {
return cacheGetEventData(event, OldEventKey, newEventToOldEvent);
}
private createEditorCore(editor: IEditor): EditorAdapterCore {
return {
customData: {},
experimentalFeatures: (this.experimentalFeatures as ExperimentalFeatures[]) ?? [],
sizeTransformer: createSizeTransformer(editor),
darkColorHandler: createDarkColorHandler(editor.getColorManager()),
edit: this.edit,
contextMenuProviders: this.contextMenuProviders,
};
}
private handleEvent(
plugin: LegacyEditorPlugin,
oldEvent: LegacyPluginEvent | undefined,
newEvent: PluginEvent
) {
if (oldEvent && plugin.onPluginEvent) {
plugin.onPluginEvent(oldEvent);
}
if (isMixedPlugin(plugin)) {
plugin.onPluginEventV9?.(newEvent);
}
}
}
/**
* Check if a provider is a V9 context menu provider
* @param provider The provider to check
* @returns True if the provider is a V9 context menu provider, false otherwise
*/
function isMixedPluginProvider(provider: any): provider is ContextMenuProvider<any> {
return isMixedPlugin(provider);
}
/**
* @internal Export for test only. This function is only used for compatibility from older build
*/
export function createSizeTransformer(editor: IEditor): SizeTransformer {
return size => size / editor.getDOMHelper().calculateZoomScale();
}
function isContextMenuProvider(
source: LegacyEditorPlugin
): source is LegacyContextMenuProvider<any> {
return !!(<LegacyContextMenuProvider<any>>source)?.getContextMenuItems;
}
function isMixedPlugin(plugin: LegacyEditorPlugin): plugin is MixedPlugin {
return !!(plugin as MixedPlugin).initializeV9;
}
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