377 lines
13 KiB
JavaScript
377 lines
13 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 PointerPath = require("./PointerPath");
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var graphic = require("../../util/graphic");
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var ChartView = require("../../view/Chart");
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var _number = require("../../util/number");
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var parsePercent = _number.parsePercent;
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var round = _number.round;
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var linearMap = _number.linearMap;
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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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function parsePosition(seriesModel, api) {
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var center = seriesModel.get('center');
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var width = api.getWidth();
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var height = api.getHeight();
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var size = Math.min(width, height);
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var cx = parsePercent(center[0], api.getWidth());
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var cy = parsePercent(center[1], api.getHeight());
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var r = parsePercent(seriesModel.get('radius'), size / 2);
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return {
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cx: cx,
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cy: cy,
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r: r
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};
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}
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function formatLabel(label, labelFormatter) {
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if (labelFormatter) {
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if (typeof labelFormatter === 'string') {
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label = labelFormatter.replace('{value}', label != null ? label : '');
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} else if (typeof labelFormatter === 'function') {
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label = labelFormatter(label);
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}
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}
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return label;
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}
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var PI2 = Math.PI * 2;
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var GaugeView = ChartView.extend({
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type: 'gauge',
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render: function (seriesModel, ecModel, api) {
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this.group.removeAll();
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var colorList = seriesModel.get('axisLine.lineStyle.color');
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var posInfo = parsePosition(seriesModel, api);
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this._renderMain(seriesModel, ecModel, api, colorList, posInfo);
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},
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dispose: function () {},
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_renderMain: function (seriesModel, ecModel, api, colorList, posInfo) {
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var group = this.group;
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var axisLineModel = seriesModel.getModel('axisLine');
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var lineStyleModel = axisLineModel.getModel('lineStyle');
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var clockwise = seriesModel.get('clockwise');
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var startAngle = -seriesModel.get('startAngle') / 180 * Math.PI;
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var endAngle = -seriesModel.get('endAngle') / 180 * Math.PI;
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var angleRangeSpan = (endAngle - startAngle) % PI2;
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var prevEndAngle = startAngle;
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var axisLineWidth = lineStyleModel.get('width');
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var showAxis = axisLineModel.get('show');
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for (var i = 0; showAxis && i < colorList.length; i++) {
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// Clamp
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var percent = Math.min(Math.max(colorList[i][0], 0), 1);
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var endAngle = startAngle + angleRangeSpan * percent;
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var sector = new graphic.Sector({
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shape: {
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startAngle: prevEndAngle,
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endAngle: endAngle,
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cx: posInfo.cx,
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cy: posInfo.cy,
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clockwise: clockwise,
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r0: posInfo.r - axisLineWidth,
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r: posInfo.r
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},
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silent: true
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});
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sector.setStyle({
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fill: colorList[i][1]
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});
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sector.setStyle(lineStyleModel.getLineStyle( // Because we use sector to simulate arc
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// so the properties for stroking are useless
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['color', 'borderWidth', 'borderColor']));
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group.add(sector);
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prevEndAngle = endAngle;
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}
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var getColor = function (percent) {
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// Less than 0
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if (percent <= 0) {
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return colorList[0][1];
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}
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for (var i = 0; i < colorList.length; i++) {
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if (colorList[i][0] >= percent && (i === 0 ? 0 : colorList[i - 1][0]) < percent) {
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return colorList[i][1];
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}
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} // More than 1
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return colorList[i - 1][1];
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};
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if (!clockwise) {
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var tmp = startAngle;
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startAngle = endAngle;
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endAngle = tmp;
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}
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this._renderTicks(seriesModel, ecModel, api, getColor, posInfo, startAngle, endAngle, clockwise);
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this._renderPointer(seriesModel, ecModel, api, getColor, posInfo, startAngle, endAngle, clockwise);
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this._renderTitle(seriesModel, ecModel, api, getColor, posInfo);
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this._renderDetail(seriesModel, ecModel, api, getColor, posInfo);
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},
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_renderTicks: function (seriesModel, ecModel, api, getColor, posInfo, startAngle, endAngle, clockwise) {
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var group = this.group;
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var cx = posInfo.cx;
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var cy = posInfo.cy;
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var r = posInfo.r;
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var minVal = +seriesModel.get('min');
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var maxVal = +seriesModel.get('max');
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var splitLineModel = seriesModel.getModel('splitLine');
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var tickModel = seriesModel.getModel('axisTick');
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var labelModel = seriesModel.getModel('axisLabel');
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var splitNumber = seriesModel.get('splitNumber');
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var subSplitNumber = tickModel.get('splitNumber');
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var splitLineLen = parsePercent(splitLineModel.get('length'), r);
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var tickLen = parsePercent(tickModel.get('length'), r);
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var angle = startAngle;
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var step = (endAngle - startAngle) / splitNumber;
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var subStep = step / subSplitNumber;
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var splitLineStyle = splitLineModel.getModel('lineStyle').getLineStyle();
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var tickLineStyle = tickModel.getModel('lineStyle').getLineStyle();
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for (var i = 0; i <= splitNumber; i++) {
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var unitX = Math.cos(angle);
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var unitY = Math.sin(angle); // Split line
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if (splitLineModel.get('show')) {
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var splitLine = new graphic.Line({
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shape: {
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x1: unitX * r + cx,
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y1: unitY * r + cy,
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x2: unitX * (r - splitLineLen) + cx,
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y2: unitY * (r - splitLineLen) + cy
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},
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style: splitLineStyle,
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silent: true
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});
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if (splitLineStyle.stroke === 'auto') {
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splitLine.setStyle({
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stroke: getColor(i / splitNumber)
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});
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}
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group.add(splitLine);
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} // Label
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if (labelModel.get('show')) {
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var label = formatLabel(round(i / splitNumber * (maxVal - minVal) + minVal), labelModel.get('formatter'));
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var distance = labelModel.get('distance');
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var autoColor = getColor(i / splitNumber);
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group.add(new graphic.Text({
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style: graphic.setTextStyle({}, labelModel, {
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text: label,
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x: unitX * (r - splitLineLen - distance) + cx,
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y: unitY * (r - splitLineLen - distance) + cy,
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textVerticalAlign: unitY < -0.4 ? 'top' : unitY > 0.4 ? 'bottom' : 'middle',
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textAlign: unitX < -0.4 ? 'left' : unitX > 0.4 ? 'right' : 'center'
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}, {
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autoColor: autoColor
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}),
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silent: true
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}));
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} // Axis tick
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if (tickModel.get('show') && i !== splitNumber) {
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for (var j = 0; j <= subSplitNumber; j++) {
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var unitX = Math.cos(angle);
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var unitY = Math.sin(angle);
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var tickLine = new graphic.Line({
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shape: {
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x1: unitX * r + cx,
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y1: unitY * r + cy,
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x2: unitX * (r - tickLen) + cx,
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y2: unitY * (r - tickLen) + cy
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},
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silent: true,
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style: tickLineStyle
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});
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if (tickLineStyle.stroke === 'auto') {
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tickLine.setStyle({
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stroke: getColor((i + j / subSplitNumber) / splitNumber)
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});
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}
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group.add(tickLine);
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angle += subStep;
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}
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angle -= subStep;
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} else {
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angle += step;
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}
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}
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},
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_renderPointer: function (seriesModel, ecModel, api, getColor, posInfo, startAngle, endAngle, clockwise) {
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var group = this.group;
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var oldData = this._data;
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if (!seriesModel.get('pointer.show')) {
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// Remove old element
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oldData && oldData.eachItemGraphicEl(function (el) {
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group.remove(el);
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});
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return;
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}
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var valueExtent = [+seriesModel.get('min'), +seriesModel.get('max')];
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var angleExtent = [startAngle, endAngle];
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var data = seriesModel.getData();
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var valueDim = data.mapDimension('value');
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data.diff(oldData).add(function (idx) {
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var pointer = new PointerPath({
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shape: {
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angle: startAngle
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}
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});
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graphic.initProps(pointer, {
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shape: {
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angle: linearMap(data.get(valueDim, idx), valueExtent, angleExtent, true)
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}
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}, seriesModel);
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group.add(pointer);
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data.setItemGraphicEl(idx, pointer);
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}).update(function (newIdx, oldIdx) {
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var pointer = oldData.getItemGraphicEl(oldIdx);
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graphic.updateProps(pointer, {
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shape: {
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angle: linearMap(data.get(valueDim, newIdx), valueExtent, angleExtent, true)
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}
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}, seriesModel);
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group.add(pointer);
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data.setItemGraphicEl(newIdx, pointer);
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}).remove(function (idx) {
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var pointer = oldData.getItemGraphicEl(idx);
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group.remove(pointer);
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}).execute();
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data.eachItemGraphicEl(function (pointer, idx) {
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var itemModel = data.getItemModel(idx);
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var pointerModel = itemModel.getModel('pointer');
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pointer.setShape({
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x: posInfo.cx,
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y: posInfo.cy,
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width: parsePercent(pointerModel.get('width'), posInfo.r),
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r: parsePercent(pointerModel.get('length'), posInfo.r)
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});
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pointer.useStyle(itemModel.getModel('itemStyle').getItemStyle());
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if (pointer.style.fill === 'auto') {
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pointer.setStyle('fill', getColor(linearMap(data.get(valueDim, idx), valueExtent, [0, 1], true)));
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}
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graphic.setHoverStyle(pointer, itemModel.getModel('emphasis.itemStyle').getItemStyle());
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});
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this._data = data;
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},
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_renderTitle: function (seriesModel, ecModel, api, getColor, posInfo) {
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var data = seriesModel.getData();
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var valueDim = data.mapDimension('value');
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var titleModel = seriesModel.getModel('title');
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if (titleModel.get('show')) {
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var offsetCenter = titleModel.get('offsetCenter');
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var x = posInfo.cx + parsePercent(offsetCenter[0], posInfo.r);
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var y = posInfo.cy + parsePercent(offsetCenter[1], posInfo.r);
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var minVal = +seriesModel.get('min');
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var maxVal = +seriesModel.get('max');
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var value = seriesModel.getData().get(valueDim, 0);
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var autoColor = getColor(linearMap(value, [minVal, maxVal], [0, 1], true));
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this.group.add(new graphic.Text({
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silent: true,
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style: graphic.setTextStyle({}, titleModel, {
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x: x,
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y: y,
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// FIXME First data name ?
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text: data.getName(0),
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textAlign: 'center',
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textVerticalAlign: 'middle'
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}, {
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autoColor: autoColor,
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forceRich: true
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})
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}));
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}
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},
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_renderDetail: function (seriesModel, ecModel, api, getColor, posInfo) {
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var detailModel = seriesModel.getModel('detail');
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var minVal = +seriesModel.get('min');
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var maxVal = +seriesModel.get('max');
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if (detailModel.get('show')) {
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var offsetCenter = detailModel.get('offsetCenter');
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var x = posInfo.cx + parsePercent(offsetCenter[0], posInfo.r);
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var y = posInfo.cy + parsePercent(offsetCenter[1], posInfo.r);
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var width = parsePercent(detailModel.get('width'), posInfo.r);
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var height = parsePercent(detailModel.get('height'), posInfo.r);
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var data = seriesModel.getData();
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var value = data.get(data.mapDimension('value'), 0);
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var autoColor = getColor(linearMap(value, [minVal, maxVal], [0, 1], true));
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this.group.add(new graphic.Text({
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silent: true,
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style: graphic.setTextStyle({}, detailModel, {
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x: x,
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y: y,
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text: formatLabel( // FIXME First data name ?
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value, detailModel.get('formatter')),
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textWidth: isNaN(width) ? null : width,
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||
|
|
textHeight: isNaN(height) ? null : height,
|
||
|
|
textAlign: 'center',
|
||
|
|
textVerticalAlign: 'middle'
|
||
|
|
}, {
|
||
|
|
autoColor: autoColor,
|
||
|
|
forceRich: true
|
||
|
|
})
|
||
|
|
}));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
var _default = GaugeView;
|
||
|
|
module.exports = _default;
|