src/component/axisPointer/AxisPointerView.ts

/*
* 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 globalListener from './globalListener';
import ComponentView from '../../view/Component';
import AxisPointerModel from './AxisPointerModel';
import GlobalModel from '../../model/Global';
import ExtensionAPI from '../../core/ExtensionAPI';
import TooltipModel from '../tooltip/TooltipModel';

class AxisPointerView extends ComponentView {
    static type = 'axisPointer' as const;
    type = AxisPointerView.type;

    render(globalAxisPointerModel: AxisPointerModel, ecModel: GlobalModel, api: ExtensionAPI) {
        const globalTooltipModel = ecModel.getComponent('tooltip') as TooltipModel;
        const triggerOn = globalAxisPointerModel.get('triggerOn')
            || (globalTooltipModel && globalTooltipModel.get('triggerOn') || 'mousemove|click');

        // Register global listener in AxisPointerView to enable
        // AxisPointerView to be independent to Tooltip.
        globalListener.register(
            'axisPointer',
            api,
            function (currTrigger, e, dispatchAction) {
                // If 'none', it is not controlled by mouse totally.
                if (triggerOn !== 'none'
                    && (currTrigger === 'leave' || triggerOn.indexOf(currTrigger) >= 0)
                ) {
                    dispatchAction({
                        type: 'updateAxisPointer',
                        currTrigger: currTrigger,
                        x: e && e.offsetX,
                        y: e && e.offsetY
                    });
                }
            }
        );
    }

    remove(ecModel: GlobalModel, api: ExtensionAPI) {
        globalListener.unregister('axisPointer', api);
    }

    dispose(ecModel: GlobalModel, api: ExtensionAPI) {
        globalListener.unregister('axisPointer', api);
    }
}

export default AxisPointerView;