VLEX/BPM-UI/node_modules/angular2-draggable/esm2015/lib/widgets/helper-block.js

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
export class HelperBlock {
    /**
     * @param {?} parent
     * @param {?} renderer
     */
    constructor(parent, renderer) {
        this.parent = parent;
        this.renderer = renderer;
        this._added = false;
        // generate helper div
        /** @type {?} */
        let helper = renderer.createElement('div');
        renderer.setStyle(helper, 'position', 'absolute');
        renderer.setStyle(helper, 'width', '100%');
        renderer.setStyle(helper, 'height', '100%');
        renderer.setStyle(helper, 'background-color', 'transparent');
        renderer.setStyle(helper, 'top', '0');
        renderer.setStyle(helper, 'left', '0');
        // done
        this._helper = helper;
    }
    /**
     * @return {?}
     */
    add() {
        // append div to parent
        if (this.parent && !this._added) {
            this.parent.appendChild(this._helper);
            this._added = true;
        }
    }
    /**
     * @return {?}
     */
    remove() {
        if (this.parent && this._added) {
            this.parent.removeChild(this._helper);
            this._added = false;
        }
    }
    /**
     * @return {?}
     */
    dispose() {
        this._helper = null;
        this._added = false;
    }
    /**
     * @return {?}
     */
    get el() {
        return this._helper;
    }
}
if (false) {
    /**
     * @type {?}
     * @protected
     */
    HelperBlock.prototype._helper;
    /**
     * @type {?}
     * @private
     */
    HelperBlock.prototype._added;
    /**
     * @type {?}
     * @protected
     */
    HelperBlock.prototype.parent;
    /**
     * @type {?}
     * @protected
     */
    HelperBlock.prototype.renderer;
}
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