2a09d1a4
 liuqimichale
添加宜春 天水 宣化
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var graphic = require("../../util/graphic");
var BaseAxisPointer = require("./BaseAxisPointer");
var viewHelper = require("./viewHelper");
var singleAxisHelper = require("../../coord/single/singleAxisHelper");
var AxisView = require("../axis/AxisView");
/*
* 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 XY = ['x', 'y'];
var WH = ['width', 'height'];
var SingleAxisPointer = BaseAxisPointer.extend({
/**
* @override
*/
makeElOption: function (elOption, value, axisModel, axisPointerModel, api) {
var axis = axisModel.axis;
var coordSys = axis.coordinateSystem;
var otherExtent = getGlobalExtent(coordSys, 1 - getPointDimIndex(axis));
var pixelValue = coordSys.dataToPoint(value)[0];
var axisPointerType = axisPointerModel.get('type');
if (axisPointerType && axisPointerType !== 'none') {
var elStyle = viewHelper.buildElStyle(axisPointerModel);
var pointerOption = pointerShapeBuilder[axisPointerType](axis, pixelValue, otherExtent, elStyle);
pointerOption.style = elStyle;
elOption.graphicKey = pointerOption.type;
elOption.pointer = pointerOption;
}
var layoutInfo = singleAxisHelper.layout(axisModel);
viewHelper.buildCartesianSingleLabelElOption(value, elOption, layoutInfo, axisModel, axisPointerModel, api);
},
/**
* @override
*/
getHandleTransform: function (value, axisModel, axisPointerModel) {
var layoutInfo = singleAxisHelper.layout(axisModel, {
labelInside: false
});
layoutInfo.labelMargin = axisPointerModel.get('handle.margin');
return {
position: viewHelper.getTransformedPosition(axisModel.axis, value, layoutInfo),
rotation: layoutInfo.rotation + (layoutInfo.labelDirection < 0 ? Math.PI : 0)
};
},
/**
* @override
*/
updateHandleTransform: function (transform, delta, axisModel, axisPointerModel) {
var axis = axisModel.axis;
var coordSys = axis.coordinateSystem;
var dimIndex = getPointDimIndex(axis);
var axisExtent = getGlobalExtent(coordSys, dimIndex);
var currPosition = transform.position;
currPosition[dimIndex] += delta[dimIndex];
currPosition[dimIndex] = Math.min(axisExtent[1], currPosition[dimIndex]);
currPosition[dimIndex] = Math.max(axisExtent[0], currPosition[dimIndex]);
var otherExtent = getGlobalExtent(coordSys, 1 - dimIndex);
var cursorOtherValue = (otherExtent[1] + otherExtent[0]) / 2;
var cursorPoint = [cursorOtherValue, cursorOtherValue];
cursorPoint[dimIndex] = currPosition[dimIndex];
return {
position: currPosition,
rotation: transform.rotation,
cursorPoint: cursorPoint,
tooltipOption: {
verticalAlign: 'middle'
}
};
}
});
var pointerShapeBuilder = {
line: function (axis, pixelValue, otherExtent, elStyle) {
var targetShape = viewHelper.makeLineShape([pixelValue, otherExtent[0]], [pixelValue, otherExtent[1]], getPointDimIndex(axis));
graphic.subPixelOptimizeLine({
shape: targetShape,
style: elStyle
});
return {
type: 'Line',
shape: targetShape
};
},
shadow: function (axis, pixelValue, otherExtent, elStyle) {
var bandWidth = axis.getBandWidth();
var span = otherExtent[1] - otherExtent[0];
return {
type: 'Rect',
shape: viewHelper.makeRectShape([pixelValue - bandWidth / 2, otherExtent[0]], [bandWidth, span], getPointDimIndex(axis))
};
}
};
function getPointDimIndex(axis) {
return axis.isHorizontal() ? 0 : 1;
}
function getGlobalExtent(coordSys, dimIndex) {
var rect = coordSys.getRect();
return [rect[XY[dimIndex]], rect[XY[dimIndex]] + rect[WH[dimIndex]]];
}
AxisView.registerAxisPointerClass('SingleAxisPointer', SingleAxisPointer);
var _default = SingleAxisPointer;
module.exports = _default;
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