Method updateExpression

docs/app/js/sanddance-app.js:12676–12701

(partialEx, groupIndex, index)

            });
        }
        updateExpression(partialEx, groupIndex, index) {
            const groups = [
                ...this.state.groups
            ];
            const group = groups[groupIndex];
            const ex = (0, _sanddanceReact.SandDance).VegaDeckGl.util.clone(group.expressions[index]);
            if (ex.name !== partialEx.name) {
                //choose an appropriate operator when switching data type
                const oldColumn = getColumnWithName(ex.name, this.state.sortedColumns);
                const newColumn = getColumnWithName(partialEx.name, this.state.sortedColumns);
                const oldType = oldColumn && oldColumn.type;
                const newType = newColumn && newColumn.type;
                if (oldType !== newType) {
                    const newOperators = (0, _searchTerm.getValidOperators)(newColumn).map((validOperator)=>validOperator[0]);
                    //see if old operator is compatible
                    if (newOperators.indexOf(ex.operator) < 0) //not compatible, so choose "equal"
                    partialEx.operator = "==";
                }
            }
            Object.assign(ex, partialEx);
            clearExpressionValidation(ex);
            group.expressions[index] = ex;
            this.setState({
                groups
            });
        }
        deleteExpression(groupIndex, index) {
            const groups = [
                ...this.state.groups