@progress/telerik-jquery-report-viewer/dist/es/uiController.js

Progress® Telerik® Report Viewer for jQuery

import { ViewModes, PageModes, ScaleModes } from './enums.js';

function UIController(options) {
  var stateFlags = {
    ExportInProgress: 1 << 0,
    PrintInProgress: 1 << 1,
    RenderInProgress: 1 << 2
  };
  function getState(flags) {
    return (state & flags) != 0;
  }
  function setState(flags, value) {
    if (value) {
      state |= flags;
    } else {
      state &= ~flags;
    }
  }
  var controller = options.controller;
  var historyManager = options.history;
  var state = 0;
  var refreshUI;
  var commands = options.commands;
  if (!controller) {
    throw "No controller (telerikReporting.ReportViewerController) has been specified.";
  }
  function getDocumentMapState() {
    var args = {};
    controller.getDocumentMapState(args);
    return args;
  }
  function getParametersAreaState() {
    var args = {};
    controller.getParametersAreaState(args);
    return args;
  }
  function getSearchDialogState() {
    var args = {};
    controller.getSearchDialogState(args);
    return args;
  }
  function getSendEmailDialogState() {
    var args = {};
    controller.getSendEmailDialogState(args);
    return args;
  }
  function updateUI() {
    if (!refreshUI) {
      refreshUI = true;
      window.setTimeout(function() {
        try {
          updateUICore();
        } finally {
          refreshUI = false;
        }
      }, 10);
    }
  }
  function updateUICore() {
    var rs = controller.getReportSource();
    var pageCount = controller.getPageCount();
    var currentPageNumber = controller.getCurrentPageNumber();
    var hasReport = rs && rs.report;
    var hasPages = hasReport && pageCount > 0;
    var nextPage = hasPages && currentPageNumber < pageCount;
    var prevPage = hasPages && currentPageNumber > 1;
    var hasPage = hasPages && currentPageNumber;
    var documentMapState = getDocumentMapState();
    var parametersAreaState = getParametersAreaState();
    var searchDialogState = getSearchDialogState();
    var sendEmailDialogState = getSendEmailDialogState();
    var renderInProgress = getState(stateFlags.RenderInProgress);
    var printInProgress = getState(stateFlags.PrintInProgress);
    var exportInProgress = getState(stateFlags.ExportInProgress);
    commands.goToFirstPage.enabled(prevPage);
    commands.goToPrevPage.enabled(prevPage);
    commands.stopRendering.enabled(hasReport && renderInProgress);
    commands.goToLastPage.enabled(nextPage);
    commands.goToNextPage.enabled(nextPage);
    commands.goToPage.enabled(hasPages);
    commands.print.enabled(hasPages && !renderInProgress && !printInProgress);
    commands.export.enabled(hasPages && !renderInProgress && !exportInProgress);
    commands.refresh.enabled(hasReport);
    commands.historyBack.enabled(historyManager && historyManager.canMoveBack());
    commands.historyForward.enabled(historyManager && historyManager.canMoveForward());
    commands.toggleDocumentMap.enabled(hasReport && documentMapState.enabled).checked(documentMapState.enabled && documentMapState.visible);
    commands.toggleParametersArea.enabled(hasReport && parametersAreaState.enabled).checked(parametersAreaState.enabled && parametersAreaState.visible);
    commands.togglePrintPreview.enabled(hasPages).checked(controller.getViewMode() == ViewModes.PRINT_PREVIEW);
    commands.pageMode.enabled(hasPages).checked(controller.getPageMode() == PageModes.CONTINUOUS_SCROLL);
    commands.zoom.enabled(hasPage);
    commands.zoomIn.enabled(hasPage);
    commands.zoomOut.enabled(hasPage);
    commands.toggleZoomMode.enabled(hasPage).checked(controller.getScaleMode() == ScaleModes.FIT_PAGE || controller.getScaleMode() == ScaleModes.FIT_PAGE_WIDTH);
    commands.toggleSearchDialog.enabled(hasPages).checked(searchDialogState.visible);
    commands.toggleSendEmailDialog.enabled(hasPages).checked(sendEmailDialogState.visible);
    controller.updateUI(null);
    controller.pageNumberChange(currentPageNumber);
    controller.pageCountChange(pageCount);
  }
  controller.setParametersAreaVisible(updateUI);
  controller.setDocumentMapVisible(updateUI);
  controller.updateUIInternal(updateUI);
  controller.setSearchDialogVisible(updateUI);
  controller.setSendEmailDialogVisible(updateUI);
  controller.scaleModeChanged(updateUI);
  controller.currentPageChanged(updateUI);
  controller.beforeLoadReport(function() {
    setState(stateFlags.RenderInProgress, true);
    updateUI();
  });
  controller.reportLoadProgress(updateUI);
  controller.reportLoadComplete(function() {
    setState(stateFlags.RenderInProgress, false);
    updateUI();
  });
  controller.reportSourceChanged(updateUI);
  controller.viewModeChanged(updateUI);
  controller.pageModeChanged(function() {
    updateUI();
  });
  controller.setUIState(function(event, args) {
    setState(stateFlags[args.operationName], args.inProgress);
    updateUI();
  });
  controller.error(function() {
    setState(stateFlags.ExportInProgress, false);
    setState(stateFlags.PrintInProgress, false);
    setState(stateFlags.RenderInProgress, false);
    updateUI();
  });
  controller.renderingStopped(function() {
    setState(stateFlags.RenderInProgress, false);
    updateUI();
  });
  updateUI();
}

export { UIController };