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export default class DecorationsController {
constructor(editor) {
this.editor = editor;
this.decorations = new Map();
this.editorDecorations = new Map();
}
getAllDecorationsForModel(model) {
if (!this.decorations.has(model.url)) return [];
const modelDecorations = this.decorations.get(model.url);
const decorations = [];
modelDecorations.forEach(val => decorations.push(...val));
return decorations;
}
addDecorations(model, decorationsKey, decorations) {
const decorationMap = this.decorations.get(model.url) || new Map();
decorationMap.set(decorationsKey, decorations);
this.decorations.set(model.url, decorationMap);
this.decorate(model);
}
decorate(model) {
const decorations = this.getAllDecorationsForModel(model);
const oldDecorations = this.editorDecorations.get(model.url) || [];
this.editorDecorations.set(
model.url,
this.editor.instance.deltaDecorations(oldDecorations, decorations),
);
}
dispose() {
this.decorations.clear();
this.editorDecorations.clear();
}
}
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