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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
var SingleAxis = require("./SingleAxis");
var axisHelper = require("../axisHelper");
var _layout = require("../../util/layout");
var getLayoutRect = _layout.getLayoutRect;
var _util = require("zrender/lib/core/util");
var each = _util.each;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/**
* Single coordinates system.
*/
/**
* Create a single coordinates system.
*
* @param {module:echarts/coord/single/AxisModel} axisModel
* @param {module:echarts/model/Global} ecModel
* @param {module:echarts/ExtensionAPI} api
*/
function Single(axisModel, ecModel, api) {
/**
* @type {string}
* @readOnly
*/
this.dimension = 'single';
/**
* Add it just for draw tooltip.
*
* @type {Array.<string>}
* @readOnly
*/
this.dimensions = ['single'];
/**
* @private
* @type {module:echarts/coord/single/SingleAxis}.
*/
this._axis = null;
/**
* @private
* @type {module:zrender/core/BoundingRect}
*/
this._rect;
this._init(axisModel, ecModel, api);
/**
* @type {module:echarts/coord/single/AxisModel}
*/
this.model = axisModel;
}
Single.prototype = {
type: 'singleAxis',
axisPointerEnabled: true,
constructor: Single,
/**
* Initialize single coordinate system.
*
* @param {module:echarts/coord/single/AxisModel} axisModel
* @param {module:echarts/model/Global} ecModel
* @param {module:echarts/ExtensionAPI} api
* @private
*/
_init: function (axisModel, ecModel, api) {
var dim = this.dimension;
var axis = new SingleAxis(dim, axisHelper.createScaleByModel(axisModel), [0, 0], axisModel.get('type'), axisModel.get('position'));
var isCategory = axis.type === 'category';
axis.onBand = isCategory && axisModel.get('boundaryGap');
axis.inverse = axisModel.get('inverse');
axis.orient = axisModel.get('orient');
axisModel.axis = axis;
axis.model = axisModel;
axis.coordinateSystem = this;
this._axis = axis;
},
/**
* Update axis scale after data processed
* @param {module:echarts/model/Global} ecModel
* @param {module:echarts/ExtensionAPI} api
*/
update: function (ecModel, api) {
ecModel.eachSeries(function (seriesModel) {
if (seriesModel.coordinateSystem === this) {
var data = seriesModel.getData();
each(data.mapDimension(this.dimension, true), function (dim) {
this._axis.scale.unionExtentFromData(data, dim);
}, this);
axisHelper.niceScaleExtent(this._axis.scale, this._axis.model);
}
}, this);
},
/**
* Resize the single coordinate system.
*
* @param {module:echarts/coord/single/AxisModel} axisModel
* @param {module:echarts/ExtensionAPI} api
*/
resize: function (axisModel, api) {
this._rect = getLayoutRect({
left: axisModel.get('left'),
top: axisModel.get('top'),
right: axisModel.get('right'),
bottom: axisModel.get('bottom'),
width: axisModel.get('width'),
height: axisModel.get('height')
}, {
width: api.getWidth(),
height: api.getHeight()
});
this._adjustAxis();
},
/**
* @return {module:zrender/core/BoundingRect}
*/
getRect: function () {
return this._rect;
},
/**
* @private
*/
_adjustAxis: function () {
var rect = this._rect;
var axis = this._axis;
var isHorizontal = axis.isHorizontal();
var extent = isHorizontal ? [0, rect.width] : [0, rect.height];
var idx = axis.reverse ? 1 : 0;
axis.setExtent(extent[idx], extent[1 - idx]);
this._updateAxisTransform(axis, isHorizontal ? rect.x : rect.y);
},
/**
* @param {module:echarts/coord/single/SingleAxis} axis
* @param {number} coordBase
*/
_updateAxisTransform: function (axis, coordBase) {
var axisExtent = axis.getExtent();
var extentSum = axisExtent[0] + axisExtent[1];
var isHorizontal = axis.isHorizontal();
axis.toGlobalCoord = isHorizontal ? function (coord) {
return coord + coordBase;
} : function (coord) {
return extentSum - coord + coordBase;
};
axis.toLocalCoord = isHorizontal ? function (coord) {
return coord - coordBase;
} : function (coord) {
return extentSum - coord + coordBase;
};
},
/**
* Get axis.
*
* @return {module:echarts/coord/single/SingleAxis}
*/
getAxis: function () {
return this._axis;
},
/**
* Get axis, add it just for draw tooltip.
*
* @return {[type]} [description]
*/
getBaseAxis: function () {
return this._axis;
},
/**
* @return {Array.<module:echarts/coord/Axis>}
*/
getAxes: function () {
return [this._axis];
},
/**
* @return {Object} {baseAxes: [], otherAxes: []}
*/
getTooltipAxes: function () {
return {
baseAxes: [this.getAxis()]
};
},
/**
* If contain point.
*
* @param {Array.<number>} point
* @return {boolean}
*/
containPoint: function (point) {
var rect = this.getRect();
var axis = this.getAxis();
var orient = axis.orient;
if (orient === 'horizontal') {
return axis.contain(axis.toLocalCoord(point[0])) && point[1] >= rect.y && point[1] <= rect.y + rect.height;
} else {
return axis.contain(axis.toLocalCoord(point[1])) && point[0] >= rect.y && point[0] <= rect.y + rect.height;
}
},
/**
* @param {Array.<number>} point
* @return {Array.<number>}
*/
pointToData: function (point) {
var axis = this.getAxis();
return [axis.coordToData(axis.toLocalCoord(point[axis.orient === 'horizontal' ? 0 : 1]))];
},
/**
* Convert the series data to concrete point.
*
* @param {number|Array.<number>} val
* @return {Array.<number>}
*/
dataToPoint: function (val) {
var axis = this.getAxis();
var rect = this.getRect();
var pt = [];
var idx = axis.orient === 'horizontal' ? 0 : 1;
if (val instanceof Array) {
val = val[0];
}
pt[idx] = axis.toGlobalCoord(axis.dataToCoord(+val));
pt[1 - idx] = idx === 0 ? rect.y + rect.height / 2 : rect.x + rect.width / 2;
return pt;
}
};
var _default = Single;
module.exports = _default;