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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.
*/
import * as zrUtil from 'zrender/src/core/util';
import {Group, Rect} from '../../util/graphic';
import * as formatUtil from '../../util/format';
import * as layout from '../../util/layout';
import VisualMapping from '../../visual/VisualMapping';
import ComponentView from '../../view/Component';
import GlobalModel from '../../model/Global';
import ExtensionAPI from '../../core/ExtensionAPI';
import VisualMapModel from './VisualMapModel';
import { VisualOptionUnit, ColorString } from '../../util/types';
type VisualState = VisualMapModel['stateList'][number];
class VisualMapView extends ComponentView {
static type = 'visualMap';
type = VisualMapView.type;
autoPositionValues = {left: 1, right: 1, top: 1, bottom: 1} as const;
ecModel: GlobalModel;
api: ExtensionAPI;
visualMapModel: VisualMapModel;
init(ecModel: GlobalModel, api: ExtensionAPI) {
this.ecModel = ecModel;
this.api = api;
}
/**
* @protected
*/
render(
visualMapModel: VisualMapModel,
ecModel: GlobalModel,
api: ExtensionAPI,
payload: unknown // TODO: TYPE
) {
this.visualMapModel = visualMapModel;
if (visualMapModel.get('show') === false) {
this.group.removeAll();
return;
}
this.doRender(visualMapModel, ecModel, api, payload);
}
/**
* @protected
*/
renderBackground(group: Group) {
const visualMapModel = this.visualMapModel;
const padding = formatUtil.normalizeCssArray(visualMapModel.get('padding') || 0);
const rect = group.getBoundingRect();
group.add(new Rect({
z2: -1, // Lay background rect on the lowest layer.
silent: true,
shape: {
x: rect.x - padding[3],
y: rect.y - padding[0],
width: rect.width + padding[3] + padding[1],
height: rect.height + padding[0] + padding[2]
},
style: {
fill: visualMapModel.get('backgroundColor'),
stroke: visualMapModel.get('borderColor'),
lineWidth: visualMapModel.get('borderWidth')
}
}));
}
/**
* @protected
* @param targetValue can be Infinity or -Infinity
* @param visualCluster Only can be 'color' 'opacity' 'symbol' 'symbolSize'
* @param opts
* @param opts.forceState Specify state, instead of using getValueState method.
* @param opts.convertOpacityToAlpha For color gradient in controller widget.
* @return {*} Visual value.
*/
protected getControllerVisual(
targetValue: number,
visualCluster: 'color' | 'opacity' | 'symbol' | 'symbolSize',
opts?: {
forceState?: VisualState
convertOpacityToAlpha?: boolean
}
) {
opts = opts || {};
const forceState = opts.forceState;
const visualMapModel = this.visualMapModel;
const visualObj: {[key in typeof visualCluster]?: VisualOptionUnit[key]} = {};
// Default values.
if (visualCluster === 'color') {
const defaultColor = visualMapModel.get('contentColor');
visualObj.color = defaultColor as ColorString;
}
function getter(key: typeof visualCluster) {
return visualObj[key];
}
function setter(key: typeof visualCluster, value: any) {
(visualObj as any)[key] = value;
}
const mappings = visualMapModel.controllerVisuals[
forceState || visualMapModel.getValueState(targetValue)
];
const visualTypes = VisualMapping.prepareVisualTypes(mappings);
zrUtil.each(visualTypes, function (type) {
let visualMapping = mappings[type];
if (opts.convertOpacityToAlpha && type === 'opacity') {
type = 'colorAlpha';
visualMapping = mappings.__alphaForOpacity;
}
if (VisualMapping.dependsOn(type, visualCluster)) {
visualMapping && visualMapping.applyVisual(
targetValue, getter, setter
);
}
});
return visualObj[visualCluster];
}
protected positionGroup(group: Group) {
const model = this.visualMapModel;
const api = this.api;
layout.positionElement(
group,
model.getBoxLayoutParams(),
{width: api.getWidth(), height: api.getHeight()}
);
}
protected doRender(
visualMapModel: VisualMapModel,
ecModel: GlobalModel,
api: ExtensionAPI,
payload: unknown
) {}
}
export default VisualMapView; |