forked from zhurui/management
274 lines
8.3 KiB
JavaScript
274 lines
8.3 KiB
JavaScript
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/*
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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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var zrUtil = require("zrender/lib/core/util");
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var VisualMapModel = require("./VisualMapModel");
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var numberUtil = require("../../util/number");
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/*
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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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// Constant
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var DEFAULT_BAR_BOUND = [20, 140];
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var ContinuousModel = VisualMapModel.extend({
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type: 'visualMap.continuous',
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/**
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* @protected
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*/
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defaultOption: {
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align: 'auto',
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// 'auto', 'left', 'right', 'top', 'bottom'
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calculable: false,
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// This prop effect default component type determine,
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// See echarts/component/visualMap/typeDefaulter.
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range: null,
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// selected range. In default case `range` is [min, max]
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// and can auto change along with modification of min max,
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// util use specifid a range.
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realtime: true,
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// Whether realtime update.
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itemHeight: null,
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// The length of the range control edge.
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itemWidth: null,
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// The length of the other side.
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hoverLink: true,
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// Enable hover highlight.
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hoverLinkDataSize: null,
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// The size of hovered data.
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hoverLinkOnHandle: null // Whether trigger hoverLink when hover handle.
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// If not specified, follow the value of `realtime`.
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},
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/**
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* @override
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*/
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optionUpdated: function (newOption, isInit) {
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ContinuousModel.superApply(this, 'optionUpdated', arguments);
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this.resetExtent();
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this.resetVisual(function (mappingOption) {
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mappingOption.mappingMethod = 'linear';
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mappingOption.dataExtent = this.getExtent();
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});
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this._resetRange();
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},
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/**
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* @protected
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* @override
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*/
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resetItemSize: function () {
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ContinuousModel.superApply(this, 'resetItemSize', arguments);
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var itemSize = this.itemSize;
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this._orient === 'horizontal' && itemSize.reverse();
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(itemSize[0] == null || isNaN(itemSize[0])) && (itemSize[0] = DEFAULT_BAR_BOUND[0]);
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(itemSize[1] == null || isNaN(itemSize[1])) && (itemSize[1] = DEFAULT_BAR_BOUND[1]);
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},
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/**
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* @private
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*/
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_resetRange: function () {
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var dataExtent = this.getExtent();
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var range = this.option.range;
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if (!range || range.auto) {
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// `range` should always be array (so we dont use other
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// value like 'auto') for user-friend. (consider getOption).
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dataExtent.auto = 1;
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this.option.range = dataExtent;
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} else if (zrUtil.isArray(range)) {
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if (range[0] > range[1]) {
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range.reverse();
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}
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range[0] = Math.max(range[0], dataExtent[0]);
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range[1] = Math.min(range[1], dataExtent[1]);
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}
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},
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/**
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* @protected
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* @override
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*/
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completeVisualOption: function () {
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VisualMapModel.prototype.completeVisualOption.apply(this, arguments);
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zrUtil.each(this.stateList, function (state) {
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var symbolSize = this.option.controller[state].symbolSize;
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if (symbolSize && symbolSize[0] !== symbolSize[1]) {
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symbolSize[0] = 0; // For good looking.
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}
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}, this);
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},
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/**
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* @override
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*/
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setSelected: function (selected) {
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this.option.range = selected.slice();
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this._resetRange();
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},
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/**
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* @public
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*/
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getSelected: function () {
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var dataExtent = this.getExtent();
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var dataInterval = numberUtil.asc((this.get('range') || []).slice()); // Clamp
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dataInterval[0] > dataExtent[1] && (dataInterval[0] = dataExtent[1]);
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dataInterval[1] > dataExtent[1] && (dataInterval[1] = dataExtent[1]);
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dataInterval[0] < dataExtent[0] && (dataInterval[0] = dataExtent[0]);
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dataInterval[1] < dataExtent[0] && (dataInterval[1] = dataExtent[0]);
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return dataInterval;
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},
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/**
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* @override
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*/
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getValueState: function (value) {
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var range = this.option.range;
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var dataExtent = this.getExtent(); // When range[0] === dataExtent[0], any value larger than dataExtent[0] maps to 'inRange'.
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// range[1] is processed likewise.
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return (range[0] <= dataExtent[0] || range[0] <= value) && (range[1] >= dataExtent[1] || value <= range[1]) ? 'inRange' : 'outOfRange';
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},
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/**
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* @params {Array.<number>} range target value: range[0] <= value && value <= range[1]
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* @return {Array.<Object>} [{seriesId, dataIndices: <Array.<number>>}, ...]
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*/
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findTargetDataIndices: function (range) {
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var result = [];
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this.eachTargetSeries(function (seriesModel) {
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var dataIndices = [];
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var data = seriesModel.getData();
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data.each(this.getDataDimension(data), function (value, dataIndex) {
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range[0] <= value && value <= range[1] && dataIndices.push(dataIndex);
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}, this);
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result.push({
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seriesId: seriesModel.id,
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dataIndex: dataIndices
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});
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}, this);
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return result;
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},
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/**
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* @implement
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*/
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getVisualMeta: function (getColorVisual) {
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var oVals = getColorStopValues(this, 'outOfRange', this.getExtent());
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var iVals = getColorStopValues(this, 'inRange', this.option.range.slice());
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var stops = [];
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function setStop(value, valueState) {
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stops.push({
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value: value,
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color: getColorVisual(value, valueState)
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});
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} // Format to: outOfRange -- inRange -- outOfRange.
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var iIdx = 0;
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var oIdx = 0;
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var iLen = iVals.length;
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var oLen = oVals.length;
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for (; oIdx < oLen && (!iVals.length || oVals[oIdx] <= iVals[0]); oIdx++) {
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// If oVal[oIdx] === iVals[iIdx], oVal[oIdx] should be ignored.
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if (oVals[oIdx] < iVals[iIdx]) {
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setStop(oVals[oIdx], 'outOfRange');
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}
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}
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for (var first = 1; iIdx < iLen; iIdx++, first = 0) {
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// If range is full, value beyond min, max will be clamped.
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// make a singularity
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first && stops.length && setStop(iVals[iIdx], 'outOfRange');
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setStop(iVals[iIdx], 'inRange');
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}
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for (var first = 1; oIdx < oLen; oIdx++) {
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if (!iVals.length || iVals[iVals.length - 1] < oVals[oIdx]) {
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// make a singularity
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if (first) {
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stops.length && setStop(stops[stops.length - 1].value, 'outOfRange');
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first = 0;
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}
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setStop(oVals[oIdx], 'outOfRange');
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}
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}
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var stopsLen = stops.length;
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return {
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stops: stops,
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outerColors: [stopsLen ? stops[0].color : 'transparent', stopsLen ? stops[stopsLen - 1].color : 'transparent']
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};
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}
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});
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function getColorStopValues(visualMapModel, valueState, dataExtent) {
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if (dataExtent[0] === dataExtent[1]) {
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return dataExtent.slice();
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} // When using colorHue mapping, it is not linear color any more.
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// Moreover, canvas gradient seems not to be accurate linear.
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// FIXME
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// Should be arbitrary value 100? or based on pixel size?
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var count = 200;
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var step = (dataExtent[1] - dataExtent[0]) / count;
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var value = dataExtent[0];
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var stopValues = [];
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for (var i = 0; i <= count && value < dataExtent[1]; i++) {
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stopValues.push(value);
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value += step;
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}
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stopValues.push(dataExtent[1]);
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return stopValues;
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}
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var _default = ContinuousModel;
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module.exports = _default; |