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columnselector.js
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columnselector.js
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/*
* Licensed 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 Transformation from './transformation';
/**
* select columns
* - columnSelectorProp
* [
* {
* "name":
* "tooltip":
* },
* ...
* ]
*/
export default class ColumnselectorTransformation extends Transformation {
constructor(config, columnSelectorProp) {
super(config);
this.props = columnSelectorProp;
}
getSetting() {
let self = this;
let configObj = self.config;
return {
template: 'app/tabledata/columnselector_settings.html',
scope: {
config: self.config,
props: self.props,
tableDataColumns: self.tableDataColumns,
save: function() {
self.emitConfig(configObj);
},
remove: function(selectorName) {
configObj[selectorName] = null;
self.emitConfig(configObj);
},
},
};
}
/**
* Method will be invoked when tableData or config changes
*/
transform(tableData) {
this.tableDataColumns = tableData.columns;
this.removeUnknown();
return tableData;
}
removeUnknown() {
let fields = this.config;
for (let f in fields) {
if (fields[f]) {
let found = false;
for (let i = 0; i < this.tableDataColumns.length; i++) {
let a = fields[f];
let b = this.tableDataColumns[i];
if (a.index === b.index && a.name === b.name) {
found = true;
break;
}
}
if (!found && (fields[f] instanceof Object) && !(fields[f] instanceof Array)) {
fields[f] = null;
}
}
}
}
}