mirror of
https://bitbucket.org/wisemapping/wisemapping-frontend.git
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95 lines
3.0 KiB
JavaScript
95 lines
3.0 KiB
JavaScript
/*
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* Copyright [2015] [wisemapping]
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*
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* Licensed under WiseMapping Public License, Version 1.0 (the "License").
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* It is basically the Apache License, Version 2.0 (the "License") plus the
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* "powered by wisemapping" text requirement on every single page;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the license at
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*
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* http://www.wisemapping.org/license
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { $assert, $defined } from '@wisemapping/core-js';
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import XMLSerializer from './XMLSerializer_Tango';
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import ModelCodeName from './ModelCodeName';
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class Pela2TangoMigrator {
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constructor(pelaSerializer) {
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this._pelaSerializer = pelaSerializer;
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this._tangoSerializer = new XMLSerializer();
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}
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toXML(mindmap) {
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return this._tangoSerializer.toXML(mindmap);
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}
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loadFromDom(dom, mapId) {
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$assert($defined(mapId), 'mapId can not be null');
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const mindmap = this._pelaSerializer.loadFromDom(dom, mapId);
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mindmap.setVersion(ModelCodeName.TANGO);
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this._fixOrder(mindmap);
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this._fixPosition(mindmap);
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return mindmap;
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}
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_fixOrder(mindmap) {
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// First level node policies has been changed.
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const centralNode = mindmap.getBranches()[0];
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const children = centralNode.getChildren();
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const leftNodes = [];
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const rightNodes = [];
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for (let i = 0; i < children.length; i++) {
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const child = children[i];
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const position = child.getPosition();
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if (position.x < 0) {
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leftNodes.push(child);
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} else {
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rightNodes.push(child);
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}
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}
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rightNodes.sort((a, b) => a.getOrder() > b.getOrder());
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leftNodes.sort((a, b) => a.getOrder() > b.getOrder());
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for (let i = 0; i < rightNodes.length; i++) {
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rightNodes[i].setOrder(i * 2);
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}
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for (let i = 0; i < leftNodes.length; i++) {
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leftNodes[i].setOrder(i * 2 + 1);
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}
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}
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_fixPosition(mindmap) {
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// Position was not required in previous versions. Try to synthesize one .
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const centralNode = mindmap.getBranches()[0];
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const children = centralNode.getChildren();
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for (let i = 0; i < children.length; i++) {
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const child = children[i];
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const position = child.getPosition();
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this._fixNodePosition(child, position);
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}
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}
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_fixNodePosition(node, parentPosition) {
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// Position was not required in previous versions. Try to synthesize one .
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let position = node.getPosition();
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if (!position) {
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position = { x: parentPosition.x + 30, y: parentPosition.y };
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node.setPosition(position.x, position.y);
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}
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const children = node.getChildren();
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for (let i = 0; i < children.length; i++) {
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const child = children[i];
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this._fixNodePosition(child, position);
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}
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}
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}
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export default Pela2TangoMigrator;
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