/*
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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 {getLayoutRect} from '../../util/layout';
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import VisualMapModel from './VisualMapModel';
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import ExtensionAPI from '../../core/ExtensionAPI';
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import { Payload } from '../../util/types';
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const paramsSet = [
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['left', 'right', 'width'],
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['top', 'bottom', 'height']
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] as const;
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export type ItemHorizontalAlign = typeof paramsSet[0][number];
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export type ItemVerticalAlign = typeof paramsSet[1][number];
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export type ItemAlign = ItemVerticalAlign | ItemHorizontalAlign;
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/**
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* @param visualMapModel
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* @param api
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* @param itemSize always [short, long]
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* @return {string} 'left' or 'right' or 'top' or 'bottom'
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*/
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export function getItemAlign(
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visualMapModel: VisualMapModel,
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api: ExtensionAPI,
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itemSize: number[]
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): ItemAlign {
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const modelOption = visualMapModel.option;
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const itemAlign = modelOption.align;
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if (itemAlign != null && itemAlign !== 'auto') {
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return itemAlign as ItemAlign;
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}
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// Auto decision align.
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const ecSize = {width: api.getWidth(), height: api.getHeight()};
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const realIndex = modelOption.orient === 'horizontal' ? 1 : 0;
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const reals = paramsSet[realIndex];
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const fakeValue = [0, null, 10];
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const layoutInput = {} as Record<ItemAlign, number | string>;
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for (let i = 0; i < 3; i++) {
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layoutInput[paramsSet[1 - realIndex][i]] = fakeValue[i];
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layoutInput[reals[i]] = i === 2 ? itemSize[0] : modelOption[reals[i]];
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}
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const rParam = ([['x', 'width', 3], ['y', 'height', 0]] as const)[realIndex];
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const rect = getLayoutRect(layoutInput, ecSize, modelOption.padding);
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return reals[
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(rect.margin[rParam[2]] || 0) + rect[rParam[0]] + rect[rParam[1]] * 0.5
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< ecSize[rParam[1]] * 0.5 ? 0 : 1
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];
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}
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/**
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* Prepare dataIndex for outside usage, where dataIndex means rawIndex, and
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* dataIndexInside means filtered index.
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*/
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// TODO: TYPE more specified payload types.
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export function makeHighDownBatch(batch: Payload['batch'], visualMapModel: VisualMapModel): Payload['batch'] {
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zrUtil.each(batch || [], function (batchItem) {
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if (batchItem.dataIndex != null) {
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batchItem.dataIndexInside = batchItem.dataIndex;
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batchItem.dataIndex = null;
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}
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batchItem.highlightKey = 'visualMap' + (visualMapModel ? visualMapModel.componentIndex : '');
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});
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return batch;
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}
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