mirror of
https://bitbucket.org/wisemapping/wisemapping-frontend.git
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93 lines
2.6 KiB
JavaScript
93 lines
2.6 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 { $assert } from '@wisemapping/core-js';
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import AbstractBasicSorter from './AbstractBasicSorter';
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/**
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* @class
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* @extends mindplot.layout.AbstractBasicSorter
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*/
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const GridSorter = new Class(/** @lends GridSorter */{
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Extends: AbstractBasicSorter,
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/**
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* @param {} treeSet
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* @param {} node
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* @return offsets
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*/
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computeOffsets(treeSet, node) {
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$assert(treeSet, 'treeSet can no be null.');
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$assert(node, 'node can no be null.');
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$assert('order can no be null.');
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const children = this._getSortedChildren(treeSet, node);
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// Compute heights ...
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const me = this;
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const heights = children.map((child) => ({
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id: child.getId(),
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height: me._computeChildrenHeight(treeSet, child),
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}));
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// Calculate the offsets ...
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const result = {};
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for (let i = 0; i < heights.length; i++) {
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const even = i % 2 == 0 ? 1 : -1;
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const zeroHeight = i == 0 ? 0 : heights[0].height / 2 * even;
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let middleHeight = 0;
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for (let j = i - 2; j > 0; j -= 2) {
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middleHeight += heights[j].height * even;
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}
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const finalHeight = i == 0 ? 0 : heights[i].height / 2 * even;
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const yOffset = zeroHeight + middleHeight + finalHeight;
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const xOffset = node.getSize().width + GridSorter.GRID_HORIZONTAR_SIZE;
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$assert(!isNaN(xOffset), 'xOffset can not be null');
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$assert(!isNaN(yOffset), 'yOffset can not be null');
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result[heights[i].id] = { x: xOffset, y: yOffset };
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}
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return result;
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},
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/**
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* @return {String} the print name of this class
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*/
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toString() {
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return 'Grid Sorter';
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},
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});
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/**
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* @constant
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* @type {Number}
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* @default
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*/
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GridSorter.GRID_HORIZONTAR_SIZE = 20;
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/**
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* @constant
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* @type {Number}
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* @default
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*/
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GridSorter.INTER_NODE_VERTICAL_DISTANCE = 50;
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export default GridSorter;
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