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META-INF.assets.rjzjh.echarts.src.component.axis.AxisView.js Maven / Gradle / Ivy
define(function (require) {
var zrUtil = require('zrender/core/util');
var graphic = require('../../util/graphic');
var AxisBuilder = require('./AxisBuilder');
var ifIgnoreOnTick = AxisBuilder.ifIgnoreOnTick;
var getInterval = AxisBuilder.getInterval;
var axisBuilderAttrs = [
'axisLine', 'axisLabel', 'axisTick', 'axisName'
];
var selfBuilderAttrs = [
'splitArea', 'splitLine'
];
var AxisView = require('../../echarts').extendComponentView({
type: 'axis',
render: function (axisModel, ecModel) {
this.group.removeAll();
if (!axisModel.get('show')) {
return;
}
var gridModel = ecModel.getComponent('grid', axisModel.get('gridIndex'));
var layout = layoutAxis(gridModel, axisModel);
var axisBuilder = new AxisBuilder(axisModel, layout);
zrUtil.each(axisBuilderAttrs, axisBuilder.add, axisBuilder);
this.group.add(axisBuilder.getGroup());
zrUtil.each(selfBuilderAttrs, function (name) {
if (axisModel.get(name +'.show')) {
this['_' + name](axisModel, gridModel, layout.labelInterval);
}
}, this);
},
/**
* @param {module:echarts/coord/cartesian/AxisModel} axisModel
* @param {module:echarts/coord/cartesian/GridModel} gridModel
* @param {number|Function} labelInterval
* @private
*/
_splitLine: function (axisModel, gridModel, labelInterval) {
var axis = axisModel.axis;
var splitLineModel = axisModel.getModel('splitLine');
var lineStyleModel = splitLineModel.getModel('lineStyle');
var lineWidth = lineStyleModel.get('width');
var lineColors = lineStyleModel.get('color');
var lineInterval = getInterval(splitLineModel, labelInterval);
lineColors = zrUtil.isArray(lineColors) ? lineColors : [lineColors];
var gridRect = gridModel.coordinateSystem.getRect();
var isHorizontal = axis.isHorizontal();
var splitLines = [];
var lineCount = 0;
var ticksCoords = axis.getTicksCoords();
var p1 = [];
var p2 = [];
for (var i = 0; i < ticksCoords.length; i++) {
if (ifIgnoreOnTick(axis, i, lineInterval)) {
continue;
}
var tickCoord = axis.toGlobalCoord(ticksCoords[i]);
if (isHorizontal) {
p1[0] = tickCoord;
p1[1] = gridRect.y;
p2[0] = tickCoord;
p2[1] = gridRect.y + gridRect.height;
}
else {
p1[0] = gridRect.x;
p1[1] = tickCoord;
p2[0] = gridRect.x + gridRect.width;
p2[1] = tickCoord;
}
var colorIndex = (lineCount++) % lineColors.length;
splitLines[colorIndex] = splitLines[colorIndex] || [];
splitLines[colorIndex].push(new graphic.Line(graphic.subPixelOptimizeLine({
shape: {
x1: p1[0],
y1: p1[1],
x2: p2[0],
y2: p2[1]
},
style: {
lineWidth: lineWidth
},
silent: true
})));
}
// Simple optimization
// Batching the lines if color are the same
var lineStyle = lineStyleModel.getLineStyle();
for (var i = 0; i < splitLines.length; i++) {
this.group.add(graphic.mergePath(splitLines[i], {
style: zrUtil.defaults({
stroke: lineColors[i % lineColors.length]
}, lineStyle),
silent: true
}));
}
},
/**
* @param {module:echarts/coord/cartesian/AxisModel} axisModel
* @param {module:echarts/coord/cartesian/GridModel} gridModel
* @param {number|Function} labelInterval
* @private
*/
_splitArea: function (axisModel, gridModel, labelInterval) {
var axis = axisModel.axis;
var splitAreaModel = axisModel.getModel('splitArea');
var areaStyleModel = splitAreaModel.getModel('areaStyle');
var areaColors = areaStyleModel.get('color');
var gridRect = gridModel.coordinateSystem.getRect();
var ticksCoords = axis.getTicksCoords();
var prevX = axis.toGlobalCoord(ticksCoords[0]);
var prevY = axis.toGlobalCoord(ticksCoords[0]);
var splitAreaRects = [];
var count = 0;
var areaInterval = getInterval(splitAreaModel, labelInterval);
areaColors = zrUtil.isArray(areaColors) ? areaColors : [areaColors];
for (var i = 1; i < ticksCoords.length; i++) {
if (ifIgnoreOnTick(axis, i, areaInterval)) {
continue;
}
var tickCoord = axis.toGlobalCoord(ticksCoords[i]);
var x;
var y;
var width;
var height;
if (axis.isHorizontal()) {
x = prevX;
y = gridRect.y;
width = tickCoord - x;
height = gridRect.height;
}
else {
x = gridRect.x;
y = prevY;
width = gridRect.width;
height = tickCoord - y;
}
var colorIndex = (count++) % areaColors.length;
splitAreaRects[colorIndex] = splitAreaRects[colorIndex] || [];
splitAreaRects[colorIndex].push(new graphic.Rect({
shape: {
x: x,
y: y,
width: width,
height: height
},
silent: true
}));
prevX = x + width;
prevY = y + height;
}
// Simple optimization
// Batching the rects if color are the same
var areaStyle = areaStyleModel.getAreaStyle();
for (var i = 0; i < splitAreaRects.length; i++) {
this.group.add(graphic.mergePath(splitAreaRects[i], {
style: zrUtil.defaults({
fill: areaColors[i % areaColors.length]
}, areaStyle),
silent: true
}));
}
}
});
AxisView.extend({
type: 'xAxis'
});
AxisView.extend({
type: 'yAxis'
});
/**
* @inner
*/
function layoutAxis(gridModel, axisModel) {
var grid = gridModel.coordinateSystem;
var axis = axisModel.axis;
var layout = {};
var rawAxisPosition = axis.position;
var axisPosition = axis.onZero ? 'onZero' : rawAxisPosition;
var axisDim = axis.dim;
// [left, right, top, bottom]
var rect = grid.getRect();
var rectBound = [rect.x, rect.x + rect.width, rect.y, rect.y + rect.height];
var posMap = {
x: {top: rectBound[2], bottom: rectBound[3]},
y: {left: rectBound[0], right: rectBound[1]}
};
posMap.x.onZero = Math.max(Math.min(getZero('y'), posMap.x.bottom), posMap.x.top);
posMap.y.onZero = Math.max(Math.min(getZero('x'), posMap.y.right), posMap.y.left);
function getZero(dim, val) {
var theAxis = grid.getAxis(dim);
return theAxis.toGlobalCoord(theAxis.dataToCoord(0));
}
// Axis position
layout.position = [
axisDim === 'y' ? posMap.y[axisPosition] : rectBound[0],
axisDim === 'x' ? posMap.x[axisPosition] : rectBound[3]
];
// Axis rotation
var r = {x: 0, y: 1};
layout.rotation = Math.PI / 2 * r[axisDim];
// Tick and label direction, x y is axisDim
var dirMap = {top: -1, bottom: 1, left: -1, right: 1};
layout.labelDirection = layout.tickDirection = layout.nameDirection = dirMap[rawAxisPosition];
if (axis.onZero) {
layout.labelOffset = posMap[axisDim][rawAxisPosition] - posMap[axisDim].onZero;
}
if (axisModel.getModel('axisTick').get('inside')) {
layout.tickDirection = -layout.tickDirection;
}
if (axisModel.getModel('axisLabel').get('inside')) {
layout.labelDirection = -layout.labelDirection;
}
// Special label rotation
var labelRotation = axisModel.getModel('axisLabel').get('rotate');
layout.labelRotation = axisPosition === 'top' ? -labelRotation : labelRotation;
// label interval when auto mode.
layout.labelInterval = axis.getLabelInterval();
// Over splitLine and splitArea
layout.z2 = 1;
return layout;
}
});
