ng2-google-charts
Version:
Google Charts module for Angular 2 and beyond
121 lines • 17.5 kB
JavaScript
import { Directive, EventEmitter, Output, } from '@angular/core';
import * as i0 from "@angular/core";
export class GoogleChartsDataTable {
constructor(opt) {
this.opt = opt;
this.dataTableChanged = new EventEmitter();
if (opt) {
this._setDataTable(opt.dataTable, opt.firstRowIsData);
}
}
send() {
if (this.query === undefined) {
return;
}
this.query.send((queryResponse) => {
this.setDataTable(queryResponse.getDataTable());
if (this.opt.queryCallback) {
this.opt.queryCallback(queryResponse);
}
});
}
init(opt) {
if (opt) {
this.opt = opt;
}
if (this.tid !== undefined) {
// doesn't work, see https://github.com/google/google-visualization-issues/issues/2381
// this.query.abort();
window.clearInterval(this.tid);
this.tid = undefined;
}
if (this.opt.dataSourceUrl) {
this.query = new google.visualization.Query(this.opt.dataSourceUrl);
if (this.opt.query) {
this.query.setQuery(this.opt.query);
}
if (this.opt.timeout !== undefined) {
this.query.setTimeout(this.opt.timeout);
}
if (this.opt.refreshInterval) {
// this.query.setRefreshInterval(this.opt.refreshInterval);
this.tid = window.setInterval(() => {
this.send();
}, this.opt.refreshInterval * 1000);
}
this.send();
}
else {
this.setDataTable(this.opt.dataTable);
}
}
/**
* @returns Underlying google.visualization.DataTable
*/
getDataTable() {
return this.dataTable;
}
setDataTable(dt, firstRowIsData) {
if (firstRowIsData === undefined) {
firstRowIsData = this.opt.firstRowIsData;
}
this._setDataTable(dt, firstRowIsData);
this.dataTableChanged.emit(this.dataTable);
}
_setDataTable(dt, firstRowIsData) {
if (Array.isArray(dt)) {
dt = google.visualization.arrayToDataTable(dt, firstRowIsData);
}
this.dataTable = dt;
this.reformat();
}
/**
* Applies formatters to data columns, if defined
*/
reformat() {
const dt = this.dataTable;
if (dt === undefined) {
return;
}
if (this.opt.formatters === undefined) {
return;
}
for (const formatterConfig of this.opt.formatters) {
let formatter;
if (formatterConfig.type === 'PatternFormat') {
const fmtOptions = formatterConfig.options;
formatter = new google.visualization.PatternFormat(fmtOptions.pattern);
formatter.format(dt, formatterConfig.columns, fmtOptions.dstColumnIndex);
continue;
}
const formatterConstructor = google.visualization[formatterConfig.type];
const formatterOptions = formatterConfig.options;
formatter = new formatterConstructor(formatterOptions);
if (formatterConfig.type === 'ColorFormat' && formatterOptions) {
const fmtOptions = formatterOptions;
if (fmtOptions.ranges) {
for (const range of fmtOptions.ranges) {
if (typeof (range.fromBgColor) !== 'undefined'
&& typeof (range.toBgColor) !== 'undefined') {
formatter.addGradientRange(range.from, range.to, range.color, range.fromBgColor, range.toBgColor);
}
else {
formatter.addRange(range.from, range.to, range.color, range.bgcolor);
}
}
}
}
for (const col of formatterConfig.columns) {
formatter.format(dt, col);
}
}
}
}
GoogleChartsDataTable.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.2.14", ngImport: i0, type: GoogleChartsDataTable, deps: "invalid", target: i0.ɵɵFactoryTarget.Directive });
GoogleChartsDataTable.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "12.0.0", version: "12.2.14", type: GoogleChartsDataTable, outputs: { dataTableChanged: "dataTableChanged" }, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.2.14", ngImport: i0, type: GoogleChartsDataTable, decorators: [{
type: Directive
}], ctorParameters: function () { return [{ type: undefined }]; }, propDecorators: { dataTableChanged: [{
type: Output
}] } });
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var google: any;\n\nexport interface ArrowFormatInterface {\n  base: number;\n}\n\nexport interface BarFormatInterface {\n  base?: number;\n  colorNegative?: string;\n  colorPositive?: string;\n  drawZeroLine?: boolean;\n  max?: number;\n  min?: number;\n  showValue?: boolean;\n  width?: number;\n}\n\nexport interface RangeInterface {\n  from: number | Date | number[];\n  to: number | Date | number[];\n  color?: string;\n  bgcolor?: string;\n  fromBgColor?: string;\n  toBgColor?: string;\n}\n\nexport interface ColorFormatInterface {\n  ranges?: RangeInterface[];\n}\n\nexport interface DateFormat {\n  formatType?: string;\n  pattern?: string;\n  timeZone?: number;\n}\n\nexport interface NumberFormatInterface {\n  decimalSymbol?: string;\n  fractionDigits?: number;\n  groupingSymbol?: string;\n  negativeColor?: string;\n  negativeParens?: boolean;\n  pattern?: string;\n  prefix?: string;\n  suffix?: string;\n}\n\nexport interface PatternFormatInterface {\n  pattern: string;\n  dstColumnIndex?: number;\n}\n\nexport interface FormatterInterface {\n  type: string;\n  options?: (\n    ArrowFormatInterface\n    | BarFormatInterface\n    | ColorFormatInterface\n    | DateFormat\n    | NumberFormatInterface\n    | PatternFormatInterface\n  );\n  columns: number[];\n}\n\nexport interface GoogleChartsDataTableInterface {\n  dataTable?: any;\n  firstRowIsData?: boolean;\n  query?: string;\n  dataSourceUrl?: string;\n\n  /** Refresh interval, in seconds, when using remote data source. */\n  refreshInterval?: number;\n\n  /** Timeout in seconds, when using remote data source */\n  timeout?: number;\n\n  /** Called after query executed. DataTable is updated automatically.\n   * @param queryResponse google.visualization.QueryResponse\n   */\n  queryCallback?: (queryResponse: any) => any;\n\n  formatters?: FormatterInterface[];\n  view?: string | object | object[];\n}\n\nimport {\n  Directive,\n  EventEmitter,\n  Output,\n} from '@angular/core';\n\n@Directive()\nexport class GoogleChartsDataTable {\n  private dataTable: any;\n  public query: any;\n  public tid: any;\n\n  @Output() dataTableChanged: EventEmitter<any> = new EventEmitter();\n\n  constructor(private opt: GoogleChartsDataTableInterface) {\n    if (opt) {\n      this._setDataTable(opt.dataTable, opt.firstRowIsData);\n    }\n  }\n\n  private send() {\n    if (this.query === undefined) {\n      return;\n    }\n    this.query.send((queryResponse: any) => {\n      this.setDataTable(queryResponse.getDataTable());\n      if (this.opt.queryCallback) {\n        this.opt.queryCallback(queryResponse);\n      }\n    });\n  }\n\n  public init(opt?: GoogleChartsDataTableInterface) {\n    if (opt) {\n      this.opt = opt;\n    }\n\n    if (this.tid !== undefined) {\n      // doesn't work, see https://github.com/google/google-visualization-issues/issues/2381\n      // this.query.abort();\n      window.clearInterval(this.tid);\n      this.tid = undefined;\n    }\n\n    if (this.opt.dataSourceUrl) {\n      this.query = new google.visualization.Query(this.opt.dataSourceUrl);\n      if (this.opt.query) {\n        this.query.setQuery(this.opt.query);\n      }\n      if (this.opt.timeout !== undefined) {\n        this.query.setTimeout(this.opt.timeout);\n      }\n      if (this.opt.refreshInterval) {\n        // this.query.setRefreshInterval(this.opt.refreshInterval);\n        this.tid = window.setInterval(() => {\n          this.send();\n        }, this.opt.refreshInterval * 1000);\n      }\n      this.send();\n    } else {\n      this.setDataTable(this.opt.dataTable);\n    }\n  }\n\n  /**\n   * @returns Underlying google.visualization.DataTable\n   */\n\n  public getDataTable() {\n    return this.dataTable;\n  }\n\n  public setDataTable(dt: any, firstRowIsData?: boolean) {\n    if (firstRowIsData === undefined) {\n      firstRowIsData = this.opt.firstRowIsData;\n    }\n    this._setDataTable(dt, firstRowIsData);\n    this.dataTableChanged.emit(this.dataTable);\n  }\n\n  private _setDataTable(dt: any, firstRowIsData?: boolean) {\n    if (Array.isArray(dt)) {\n      dt = google.visualization.arrayToDataTable(dt, firstRowIsData);\n    }\n    this.dataTable = dt;\n    this.reformat();\n  }\n\n  /**\n   * Applies formatters to data columns, if defined\n   */\n\n  public reformat() {\n    const dt = this.dataTable;\n    if (dt === undefined) {\n      return;\n    }\n\n    if (this.opt.formatters === undefined) {\n      return;\n    }\n\n    for (const formatterConfig of this.opt.formatters) {\n      let formatter: any;\n      if (formatterConfig.type === 'PatternFormat') {\n        const fmtOptions = formatterConfig.options as PatternFormatInterface;\n        formatter = new google.visualization.PatternFormat(fmtOptions.pattern);\n        formatter.format(dt, formatterConfig.columns, fmtOptions.dstColumnIndex);\n        continue;\n      }\n\n      const formatterConstructor = google.visualization[formatterConfig.type];\n      const formatterOptions = formatterConfig.options;\n      formatter = new formatterConstructor(formatterOptions);\n      if (formatterConfig.type === 'ColorFormat' && formatterOptions) {\n        const fmtOptions = formatterOptions as ColorFormatInterface;\n        if (fmtOptions.ranges) {\n          for (const range of fmtOptions.ranges) {\n            if (typeof (range.fromBgColor) !== 'undefined'\n                && typeof (range.toBgColor) !== 'undefined') {\n              formatter.addGradientRange(range.from, range.to,\n                range.color, range.fromBgColor, range.toBgColor);\n            } else {\n              formatter.addRange(range.from, range.to, range.color, range.bgcolor);\n            }\n          }\n        }\n      }\n\n      for (const col of formatterConfig.columns) {\n        formatter.format(dt, col);\n      }\n    }\n  }\n}\n"]}