/*
|
* 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.
|
*/
|
|
// FIXME Where to create the simple view coordinate system
|
import View from '../../coord/View';
|
import {getLayoutRect} from '../../util/layout';
|
import * as bbox from 'zrender/src/core/bbox';
|
|
function getViewRect(seriesModel, api, aspect) {
|
var option = seriesModel.getBoxLayoutParams();
|
option.aspect = aspect;
|
return getLayoutRect(option, {
|
width: api.getWidth(),
|
height: api.getHeight()
|
});
|
}
|
|
export default function (ecModel, api) {
|
var viewList = [];
|
ecModel.eachSeriesByType('graph', function (seriesModel) {
|
var coordSysType = seriesModel.get('coordinateSystem');
|
if (!coordSysType || coordSysType === 'view') {
|
|
var data = seriesModel.getData();
|
var positions = data.mapArray(function (idx) {
|
var itemModel = data.getItemModel(idx);
|
return [+itemModel.get('x'), +itemModel.get('y')];
|
});
|
|
var min = [];
|
var max = [];
|
|
bbox.fromPoints(positions, min, max);
|
|
// If width or height is 0
|
if (max[0] - min[0] === 0) {
|
max[0] += 1;
|
min[0] -= 1;
|
}
|
if (max[1] - min[1] === 0) {
|
max[1] += 1;
|
min[1] -= 1;
|
}
|
var aspect = (max[0] - min[0]) / (max[1] - min[1]);
|
// FIXME If get view rect after data processed?
|
var viewRect = getViewRect(seriesModel, api, aspect);
|
// Position may be NaN, use view rect instead
|
if (isNaN(aspect)) {
|
min = [viewRect.x, viewRect.y];
|
max = [viewRect.x + viewRect.width, viewRect.y + viewRect.height];
|
}
|
|
var bbWidth = max[0] - min[0];
|
var bbHeight = max[1] - min[1];
|
|
var viewWidth = viewRect.width;
|
var viewHeight = viewRect.height;
|
|
var viewCoordSys = seriesModel.coordinateSystem = new View();
|
viewCoordSys.zoomLimit = seriesModel.get('scaleLimit');
|
|
viewCoordSys.setBoundingRect(
|
min[0], min[1], bbWidth, bbHeight
|
);
|
viewCoordSys.setViewRect(
|
viewRect.x, viewRect.y, viewWidth, viewHeight
|
);
|
|
// Update roam info
|
viewCoordSys.setCenter(seriesModel.get('center'));
|
viewCoordSys.setZoom(seriesModel.get('zoom'));
|
|
viewList.push(viewCoordSys);
|
}
|
});
|
|
return viewList;
|
}
|