kreta/KretaWeb/Scripts/KendoHelper/KretaFileUpload.js

var KretaFileUpload = (function () {
  var kretaFileUpload = function () {};

  kretaFileUpload.GetUploadControl = function (uploadInputName) {
    return getUploadControl(uploadInputName);
  };
  kretaFileUpload.ResetUploadControl = function (uploadInputContainerId) {
    $('#' + uploadInputContainerId)
      .find('.k-delete')
      .click();
    return 0;
  };
  kretaFileUpload.DisplayValidationInfo = function (uploadInputContainerId) {
    var uploadInputContainer = $('#' + uploadInputContainerId).find(
      '.k-widget.k-upload'
    );
    uploadInputContainer.append(
      "<div id='FileUploadValidationInfo' style='display:inline;'></div>"
    );
    return 0;
  };

  kretaFileUpload.DisplayValidationInfo = function (
    uploadInputContainerId,
    fileUploadValidationContainerId
  ) {
    var uploadInputContainer = $('#' + uploadInputContainerId).find(
      '.k-widget.k-upload'
    );
    uploadInputContainer.append(
      "<div id='" +
        fileUploadValidationContainerId +
        "' style='display:inline;'></div>"
    );
    return 0;
  };

  var stopAnimation = false;
  var animationTimeOut;

  kretaFileUpload.StopAnimation = function () {
    stopAnimation = true;
    $('#FileUploadValidationInfo').html('');
    clearTimeout(animationTimeOut);
  };

  kretaFileUpload.StopAnimation = function (fileUploadValidationContainerId) {
    stopAnimation = true;
    $('#' + fileUploadValidationContainerId).html('');
    clearTimeout(animationTimeOut);
  };

  kretaFileUpload.StartAnimation = function () {
    stopAnimation = false;
  };
  kretaFileUpload.VaidationInfoExtensionContainerAnimation = function (
    allowedFileExtensionArray,
    start
  ) {
    if (stopAnimation) {
      kretaFileUpload.StopAnimation();
      return 0;
    }
    var extensionContainer = $('#FileUploadValidationInfo');
    extensionContainer.append(
      (start < 3 ? ' ' : ', ') + allowedFileExtensionArray[start]
    );
    if (start < allowedFileExtensionArray.length - 1) {
      animationTimeOut = setTimeout(function () {
        kretaFileUpload.VaidationInfoExtensionContainerAnimation(
          allowedFileExtensionArray,
          start + 1
        );
      }, 20);
    }
    return 0;
  };
  kretaFileUpload.VaidationInfoExtensionContainerAnimation = function (
    fileUploadValidationContainerId,
    allowedFileExtensionArray,
    start
  ) {
    if (stopAnimation) {
      kretaFileUpload.StopAnimation();
      return 0;
    }
    var extensionContainer = $('#' + fileUploadValidationContainerId);
    extensionContainer.append(
      (start < 3 ? ' ' : ', ') + allowedFileExtensionArray[start]
    );
    if (start < allowedFileExtensionArray.length - 1) {
      animationTimeOut = setTimeout(function () {
        kretaFileUpload.VaidationInfoExtensionContainerAnimation(
          fileUploadValidationContainerId,
          allowedFileExtensionArray,
          start + 1
        );
      }, 20);
    }
    return 0;
  };
  kretaFileUpload.EnableUpload = function (uploadInputName) {
    getUploadControl(uploadInputName).enable();
  };
  kretaFileUpload.DisableUpload = function (uploadInputName) {
    getUploadControl(uploadInputName).disable();
  };
  kretaFileUpload.ToggleEnabled = function (uploadInputName) {
    getUploadControl(uploadInputName).toggle();
  };

  function getUploadControl(inputName) {
    return $('#' + inputName).data('kendoUpload');
  }

  kretaFileUpload.SendAttachmentsAsBase64EncodedString = function (
    inputName,
    sendRequest
  ) {
    function addCsatolmanyWithBase64EncodedConvertedFile(
      file,
      callbackAddCsatolmany,
      callbackSendRequest,
      csatolmanyArray,
      fileName
    ) {
      var reader = new FileReader();
      reader.readAsDataURL(file);
      reader.onloadend = function () {
        callbackAddCsatolmany(
          callbackSendRequest,
          csatolmanyArray,
          fileName,
          reader.result
        );
      };
    }

    function addCsatolmany(
      callbackSendRequest,
      csatolmanyArray,
      name,
      base64EncodedString
    ) {
      csatolmanyArray.push({
        Name: name,
        ContentAsBase64EncodedString: base64EncodedString
      });
      if (typeof callbackSendRequest !== 'undefined')
        callbackSendRequest(csatolmanyArray);
    }

    var csatolmanyArray = [];
    var csatolmanyInputFileArray =
      getUploadControl(inputName).wrapper.find("input[type='file']");

    var csatolmanyokSzama = csatolmanyInputFileArray.length - 1;
    for (var i = 0; i < csatolmanyokSzama; i++) {
      var bouquetCsatolmanyArray = csatolmanyInputFileArray[i].files;
      var bouquetCsatolmanyokSzama = bouquetCsatolmanyArray.length;
      for (var j = 0; j < bouquetCsatolmanyokSzama; j++) {
        addCsatolmanyWithBase64EncodedConvertedFile(
          bouquetCsatolmanyArray[j],
          addCsatolmany,
          i == csatolmanyokSzama - 1 && j == bouquetCsatolmanyokSzama - 1
            ? sendRequest
            : undefined,
          csatolmanyArray,
          bouquetCsatolmanyArray[j].name
        );
      }
    }
    if (csatolmanyokSzama < 1) sendRequest(csatolmanyArray);
  };

  return kretaFileUpload;
})();