forked from zhurui/management
194 lines
5.4 KiB
JavaScript
194 lines
5.4 KiB
JavaScript
|
|
/*
|
|
* 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 graphic = require("../../util/graphic");
|
|
|
|
var LineGroup = require("./Line");
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
* @module echarts/chart/helper/LineDraw
|
|
*/
|
|
// import IncrementalDisplayable from 'zrender/src/graphic/IncrementalDisplayable';
|
|
|
|
/**
|
|
* @alias module:echarts/component/marker/LineDraw
|
|
* @constructor
|
|
*/
|
|
function LineDraw(ctor) {
|
|
this._ctor = ctor || LineGroup;
|
|
this.group = new graphic.Group();
|
|
}
|
|
|
|
var lineDrawProto = LineDraw.prototype;
|
|
|
|
lineDrawProto.isPersistent = function () {
|
|
return true;
|
|
};
|
|
/**
|
|
* @param {module:echarts/data/List} lineData
|
|
*/
|
|
|
|
|
|
lineDrawProto.updateData = function (lineData) {
|
|
var lineDraw = this;
|
|
var group = lineDraw.group;
|
|
var oldLineData = lineDraw._lineData;
|
|
lineDraw._lineData = lineData; // There is no oldLineData only when first rendering or switching from
|
|
// stream mode to normal mode, where previous elements should be removed.
|
|
|
|
if (!oldLineData) {
|
|
group.removeAll();
|
|
}
|
|
|
|
var seriesScope = makeSeriesScope(lineData);
|
|
lineData.diff(oldLineData).add(function (idx) {
|
|
doAdd(lineDraw, lineData, idx, seriesScope);
|
|
}).update(function (newIdx, oldIdx) {
|
|
doUpdate(lineDraw, oldLineData, lineData, oldIdx, newIdx, seriesScope);
|
|
}).remove(function (idx) {
|
|
group.remove(oldLineData.getItemGraphicEl(idx));
|
|
}).execute();
|
|
};
|
|
|
|
function doAdd(lineDraw, lineData, idx, seriesScope) {
|
|
var itemLayout = lineData.getItemLayout(idx);
|
|
|
|
if (!lineNeedsDraw(itemLayout)) {
|
|
return;
|
|
}
|
|
|
|
var el = new lineDraw._ctor(lineData, idx, seriesScope);
|
|
lineData.setItemGraphicEl(idx, el);
|
|
lineDraw.group.add(el);
|
|
}
|
|
|
|
function doUpdate(lineDraw, oldLineData, newLineData, oldIdx, newIdx, seriesScope) {
|
|
var itemEl = oldLineData.getItemGraphicEl(oldIdx);
|
|
|
|
if (!lineNeedsDraw(newLineData.getItemLayout(newIdx))) {
|
|
lineDraw.group.remove(itemEl);
|
|
return;
|
|
}
|
|
|
|
if (!itemEl) {
|
|
itemEl = new lineDraw._ctor(newLineData, newIdx, seriesScope);
|
|
} else {
|
|
itemEl.updateData(newLineData, newIdx, seriesScope);
|
|
}
|
|
|
|
newLineData.setItemGraphicEl(newIdx, itemEl);
|
|
lineDraw.group.add(itemEl);
|
|
}
|
|
|
|
lineDrawProto.updateLayout = function () {
|
|
var lineData = this._lineData; // Do not support update layout in incremental mode.
|
|
|
|
if (!lineData) {
|
|
return;
|
|
}
|
|
|
|
lineData.eachItemGraphicEl(function (el, idx) {
|
|
el.updateLayout(lineData, idx);
|
|
}, this);
|
|
};
|
|
|
|
lineDrawProto.incrementalPrepareUpdate = function (lineData) {
|
|
this._seriesScope = makeSeriesScope(lineData);
|
|
this._lineData = null;
|
|
this.group.removeAll();
|
|
};
|
|
|
|
function isEffectObject(el) {
|
|
return el.animators && el.animators.length > 0;
|
|
}
|
|
|
|
lineDrawProto.incrementalUpdate = function (taskParams, lineData) {
|
|
function updateIncrementalAndHover(el) {
|
|
if (!el.isGroup && !isEffectObject(el)) {
|
|
el.incremental = el.useHoverLayer = true;
|
|
}
|
|
}
|
|
|
|
for (var idx = taskParams.start; idx < taskParams.end; idx++) {
|
|
var itemLayout = lineData.getItemLayout(idx);
|
|
|
|
if (lineNeedsDraw(itemLayout)) {
|
|
var el = new this._ctor(lineData, idx, this._seriesScope);
|
|
el.traverse(updateIncrementalAndHover);
|
|
this.group.add(el);
|
|
lineData.setItemGraphicEl(idx, el);
|
|
}
|
|
}
|
|
};
|
|
|
|
function makeSeriesScope(lineData) {
|
|
var hostModel = lineData.hostModel;
|
|
return {
|
|
lineStyle: hostModel.getModel('lineStyle').getLineStyle(),
|
|
hoverLineStyle: hostModel.getModel('emphasis.lineStyle').getLineStyle(),
|
|
labelModel: hostModel.getModel('label'),
|
|
hoverLabelModel: hostModel.getModel('emphasis.label')
|
|
};
|
|
}
|
|
|
|
lineDrawProto.remove = function () {
|
|
this._clearIncremental();
|
|
|
|
this._incremental = null;
|
|
this.group.removeAll();
|
|
};
|
|
|
|
lineDrawProto._clearIncremental = function () {
|
|
var incremental = this._incremental;
|
|
|
|
if (incremental) {
|
|
incremental.clearDisplaybles();
|
|
}
|
|
};
|
|
|
|
function isPointNaN(pt) {
|
|
return isNaN(pt[0]) || isNaN(pt[1]);
|
|
}
|
|
|
|
function lineNeedsDraw(pts) {
|
|
return !isPointNaN(pts[0]) && !isPointNaN(pts[1]);
|
|
}
|
|
|
|
var _default = LineDraw;
|
|
module.exports = _default; |