wisemapping-frontend/packages/mindplot/lib/components/commands/MoveControlPointCommand.js

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2021-07-16 16:41:58 +02:00
/*
* Copyright [2015] [wisemapping]
*
* Licensed under WiseMapping Public License, Version 1.0 (the "License").
* It is basically the Apache License, Version 2.0 (the "License") plus the
* "powered by wisemapping" text requirement on every single page;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the license at
*
* http://www.wisemapping.org/license
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const Command = require('../Command').default;
const MoveControlPointCommand = new Class(
/** @lends MoveControlPointCommand */ {
Extends: Command,
/**
* @classdesc This command handles do/undo of changing the control points of a relationship
* arrow. These are the two points that appear when the relationship is on focus. They
* influence how the arrow is drawn (not the source or the destination topic nor the arrow
* direction)
* @constructs
* @param {ControlPoint} ctrlPointController
* @param {Number} point 0 for the destination control point, 1 for the source control point
* @param ctrlPointController {ControlPoint}
* @param point {Number} 0 for the destination control point, 1 for the source control point
*/
initialize: function (ctrlPointController, point) {
$assert(ctrlPointController, 'line can not be null');
$assert($defined(point), 'point can not be null');
this.parent();
this._ctrlPointControler = ctrlPointController;
this._line = ctrlPointController._line;
this._controlPoint = this._ctrlPointControler.getControlPoint(point).clone();
this._oldControlPoint = this._ctrlPointControler.getOriginalCtrlPoint(point).clone();
this._originalEndPoint = this._ctrlPointControler.getOriginalEndPoint(point).clone();
switch (point) {
case 0:
this._wasCustom = this._line.getLine().isSrcControlPointCustom();
this._endPoint = this._line.getLine().getFrom().clone();
break;
case 1:
this._wasCustom = this._line.getLine().isDestControlPointCustom();
this._endPoint = this._line.getLine().getTo().clone();
break;
}
this._point = point;
},
/**
* Overrides abstract parent method
*/
execute: function (commandContext) {
var model = this._line.getModel();
switch (this._point) {
case 0:
model.setSrcCtrlPoint(this._controlPoint.clone());
this._line.setFrom(this._endPoint.x, this._endPoint.y);
this._line.setIsSrcControlPointCustom(true);
this._line.setSrcControlPoint(this._controlPoint.clone());
break;
case 1:
model.setDestCtrlPoint(this._controlPoint.clone());
this._wasCustom = this._line.getLine().isDestControlPointCustom();
this._line.setTo(this._endPoint.x, this._endPoint.y);
this._line.setIsDestControlPointCustom(true);
this._line.setDestControlPoint(this._controlPoint.clone());
break;
}
if (this._line.isOnFocus()) {
this._line._refreshShape();
this._ctrlPointControler.setLine(this._line);
}
this._line.getLine().updateLine(this._point);
},
/**
* Overrides abstract parent method
* @see {@link mindplot.Command.undoExecute}
*/
undoExecute: function (commandContext) {
var line = this._line;
var model = line.getModel();
switch (this._point) {
case 0:
if ($defined(this._oldControlPoint)) {
line.setFrom(this._originalEndPoint.x, this._originalEndPoint.y);
model.setSrcCtrlPoint(this._oldControlPoint.clone());
line.setSrcControlPoint(this._oldControlPoint.clone());
line.setIsSrcControlPointCustom(this._wasCustom);
}
break;
case 1:
if ($defined(this._oldControlPoint)) {
line.setTo(this._originalEndPoint.x, this._originalEndPoint.y);
model.setDestCtrlPoint(this._oldControlPoint.clone());
line.setDestControlPoint(this._oldControlPoint.clone());
line.setIsDestControlPointCustom(this._wasCustom);
}
break;
}
this._line.getLine().updateLine(this._point);
if (this._line.isOnFocus()) {
this._ctrlPointControler.setLine(line);
line._refreshShape();
}
},
}
);
export default MoveControlPointCommand;