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import commandFactory from '@/factory/command';
import { componentNames, commandNames } from '@/consts';
const { ROTATION } = componentNames;
/**
* Cached data for undo
* @type {Object}
*/
let cachedUndoDataForSilent = null;
/**
* Make undo data
* @param {Component} rotationComp - rotation component
* @returns {object} - undodata
*/
function makeUndoData(rotationComp) {
return {
angle: rotationComp.getCurrentAngle(),
};
}
const command = {
name: commandNames.ROTATE_IMAGE,
/**
* Rotate an image
* @param {Graphics} graphics - Graphics instance
* @param {string} type - 'rotate' or 'setAngle'
* @param {number} angle - angle value (degree)
* @param {boolean} isSilent - is silent execution or not
* @returns {Promise}
*/
execute(graphics, type, angle, isSilent) {
const rotationComp = graphics.getComponent(ROTATION);
if (!this.isRedo) {
const undoData = makeUndoData(rotationComp);
cachedUndoDataForSilent = this.setUndoData(undoData, cachedUndoDataForSilent, isSilent);
}
return rotationComp[type](angle);
},
/**
* @param {Graphics} graphics - Graphics instance
* @returns {Promise}
*/
undo(graphics) {
const rotationComp = graphics.getComponent(ROTATION);
const [, type, angle] = this.args;
if (type === 'setAngle') {
return rotationComp[type](this.undoData.angle);
}
return rotationComp.rotate(-angle);
},
};
commandFactory.register(command);
export default command;
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