forked from zhurui/management
75 lines
3.0 KiB
JavaScript
75 lines
3.0 KiB
JavaScript
|
|
||
|
|
/*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* LegendVisualProvider is an bridge that pick encoded color from data and
|
||
|
|
* provide to the legend component.
|
||
|
|
* @param {Function} getDataWithEncodedVisual Function to get data after filtered. It stores all the encoding info
|
||
|
|
* @param {Function} getRawData Function to get raw data before filtered.
|
||
|
|
*/
|
||
|
|
function LegendVisualProvider(getDataWithEncodedVisual, getRawData) {
|
||
|
|
this.getAllNames = function () {
|
||
|
|
var rawData = getRawData(); // We find the name from the raw data. In case it's filtered by the legend component.
|
||
|
|
// Normally, the name can be found in rawData, but can't be found in filtered data will display as gray.
|
||
|
|
|
||
|
|
return rawData.mapArray(rawData.getName);
|
||
|
|
};
|
||
|
|
|
||
|
|
this.containName = function (name) {
|
||
|
|
var rawData = getRawData();
|
||
|
|
return rawData.indexOfName(name) >= 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
this.indexOfName = function (name) {
|
||
|
|
// Only get data when necessary.
|
||
|
|
// Because LegendVisualProvider constructor may be new in the stage that data is not prepared yet.
|
||
|
|
// Invoking Series#getData immediately will throw an error.
|
||
|
|
var dataWithEncodedVisual = getDataWithEncodedVisual();
|
||
|
|
return dataWithEncodedVisual.indexOfName(name);
|
||
|
|
};
|
||
|
|
|
||
|
|
this.getItemVisual = function (dataIndex, key) {
|
||
|
|
// Get encoded visual properties from final filtered data.
|
||
|
|
var dataWithEncodedVisual = getDataWithEncodedVisual();
|
||
|
|
return dataWithEncodedVisual.getItemVisual(dataIndex, key);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
var _default = LegendVisualProvider;
|
||
|
|
module.exports = _default;
|