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node_modules/echarts/lib/component/legend/ScrollableLegendModel.js 3.61 KB
aaac7fed   liuqimichale   add
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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.
  */
  
  var LegendModel = require("./LegendModel");
  
  var _layout = require("../../util/layout");
  
  var mergeLayoutParam = _layout.mergeLayoutParam;
  var getLayoutParams = _layout.getLayoutParams;
  
  /*
  * 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 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);
    },
    getOrient: function () {
      return this.get('orient') === 'vertical' ? {
        index: 1,
        name: 'vertical'
      } : {
        index: 0,
        name: 'horizontal'
      };
    }
  }); // 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
    });
  }
  
  var _default = ScrollableLegendModel;
  module.exports = _default;