/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import * as zrUtil from 'zrender/src/core/util';
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import SingleAxisModel from './AxisModel';
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interface LayoutResult {
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position: [number, number],
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rotation: number
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labelRotation: number
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labelDirection: number // 1 | -1
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tickDirection: number
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nameDirection: number
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z2: number
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}
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export function layout(axisModel: SingleAxisModel, opt?: {
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labelInside?: boolean
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rotate?: number
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}) {
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opt = opt || {};
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const single = axisModel.coordinateSystem;
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const axis = axisModel.axis;
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const layout = {} as LayoutResult;
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const axisPosition = axis.position;
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const orient = axis.orient;
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const rect = single.getRect();
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const rectBound = [rect.x, rect.x + rect.width, rect.y, rect.y + rect.height];
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const positionMap = {
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horizontal: {top: rectBound[2], bottom: rectBound[3]},
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vertical: {left: rectBound[0], right: rectBound[1]}
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} as const;
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layout.position = [
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orient === 'vertical'
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? positionMap.vertical[axisPosition as 'left' | 'right']
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: rectBound[0],
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orient === 'horizontal'
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? positionMap.horizontal[axisPosition as 'top' | 'bottom']
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: rectBound[3]
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] as [number, number];
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const r = {horizontal: 0, vertical: 1};
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layout.rotation = Math.PI / 2 * r[orient];
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const directionMap = {top: -1, bottom: 1, right: 1, left: -1} as const;
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layout.labelDirection = layout.tickDirection =
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layout.nameDirection = directionMap[axisPosition];
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if (axisModel.get(['axisTick', 'inside'])) {
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layout.tickDirection = -layout.tickDirection;
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}
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if (zrUtil.retrieve(opt.labelInside, axisModel.get(['axisLabel', 'inside']))) {
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layout.labelDirection = -layout.labelDirection;
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}
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let labelRotation = opt.rotate;
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labelRotation == null && (labelRotation = axisModel.get(['axisLabel', 'rotate']));
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layout.labelRotation = axisPosition === 'top' ? -labelRotation : labelRotation;
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layout.z2 = 1;
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return layout;
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}
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