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Viewing file:     ScrollableLegendModel.js (2.71 KB)      -rw-r--r--

/*
* 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 LegendModel from './LegendModel';
import {
    mergeLayoutParam,
    getLayoutParams
} from '../../util/layout';

var ScrollableLegendModel = LegendModel.extend({

    type: 'legend.scroll',

    /**
     * @param {number} scrollDataIndex
     */
    setScrollDataIndex: function (scrollDataIndex) {
        this.option.scrollDataIndex = scrollDataIndex;
    },

    defaultOption: {
        scrollDataIndex: 0,
        pageButtonItemGap: 5,
        pageButtonGap: null,
        pageButtonPosition: 'end', // 'start' or 'end'
        pageFormatter: '{current}/{total}', // If null/undefined, do not show page.
        pageIcons: {
            horizontal: ['M0,0L12,-10L12,10z', 'M0,0L-12,-10L-12,10z'],
            vertical: ['M0,0L20,0L10,-20z', 'M0,0L20,0L10,20z']
        },
        pageIconColor: '#2f4554',
        pageIconInactiveColor: '#aaa',
        pageIconSize: 15, // Can be [10, 3], which represents [width, height]
        pageTextStyle: {
            color: '#333'
        },

        animationDurationUpdate: 800
    },

    /**
     * @override
     */
    init: function (option, parentModel, ecModel, extraOpt) {
        var inputPositionParams = getLayoutParams(option);

        ScrollableLegendModel.superCall(this, 'init', option, parentModel, ecModel, extraOpt);

        mergeAndNormalizeLayoutParams(this, option, inputPositionParams);
    },

    /**
     * @override
     */
    mergeOption: function (option, extraOpt) {
        ScrollableLegendModel.superCall(this, 'mergeOption', option, extraOpt);

        mergeAndNormalizeLayoutParams(this, this.option, option);
    }

});

// Do not `ignoreSize` to enable setting {left: 10, right: 10}.
function mergeAndNormalizeLayoutParams(legendModel, target, raw) {
    var orient = legendModel.getOrient();
    var ignoreSize = [1, 1];
    ignoreSize[orient.index] = 0;
    mergeLayoutParam(target, raw, {
        type: 'box', ignoreSize: ignoreSize
    });
}

export default ScrollableLegendModel;