(function() {
  var activate, disableRenameButton, enableRenameButton, getEditFileNameTemplate, hideError, hideProggresBar, rename, setupInputValidation, setupKeyBehaviour, showDeleteButton, showEditFileNameButton, showError, showProgressBar;

  activate = function(element) {
    var cmsField, container;
    cmsField = $(element);
    container = scrivito.editors._setupButtonContainer(cmsField);
    if (cmsField.scrivito('content') && cmsField.is('[data-scrivito-editors-allow-delete]')) {
      showDeleteButton(container, cmsField);
    }
    return showEditFileNameButton(container, cmsField);
  };

  showEditFileNameButton = function(container, cmsField) {
    var binary, editor, fileName, fileNameVisibility, renameBtn;
    binary = cmsField.scrivito("content");
    fileNameVisibility = cmsField.data('scrivito-editors-binary-filename');
    if (typeof fileNameVisibility === "undefined") {
      fileNameVisibility = true;
    }
    if (binary && fileNameVisibility) {
      fileName = binary.filename;
      editor = $(getEditFileNameTemplate(fileName)).appendTo(container);
      setupKeyBehaviour(editor, cmsField);
      setupInputValidation(binary, editor);
      renameBtn = editor.find(".scrivito_file_save");
      return renameBtn.click((function(_this) {
        return function() {
          return rename(cmsField, editor);
        };
      })(this));
    }
  };

  rename = function(cmsField, editor) {
    var binary, fileName, newBinary;
    if (editor.find(".scrivito_file_save").hasClass("scrivito_disabled")) {
      return false;
    }
    showProgressBar(editor);
    binary = cmsField.scrivito("content");
    fileName = editor.find('#binary_file_name').val();
    newBinary = binary.copy({
      filename: fileName
    });
    return cmsField.scrivito("save", newBinary).then(function() {
      return cmsField.scrivito('reload');
    }).fail(function() {
      return hideProggresBar(editor);
    }) && false;
  };

  setupInputValidation = function(binary, editor) {
    var input;
    input = editor.find('#binary_file_name');
    disableRenameButton(editor);
    return input.on('input', (function(_this) {
      return function() {
        var filename, message;
        filename = input.val();
        disableRenameButton(editor);
        hideError(editor);
        if (filename.match(/^[\w.-]+$/)) {
          if (filename !== binary.filename) {
            return enableRenameButton(editor);
          }
        } else {
          message = 'The filename may only contain letters from A to Z, periods, hyphens, and underscores.';
          return showError(message, editor);
        }
      };
    })(this));
  };

  disableRenameButton = function(editor) {
    var saveElement;
    saveElement = editor.find('.scrivito_file_save');
    return saveElement.addClass('scrivito_disabled');
  };

  enableRenameButton = function(editor) {
    var saveElement;
    saveElement = editor.find('.scrivito_file_save');
    return saveElement.removeClass('scrivito_disabled scrivito_saving');
  };

  showError = function(message, editor) {
    var errorElement, errorMessage;
    errorElement = editor.find('div.scrivito_error');
    editor.find('#binary_file_name').addClass('scrivito_error');
    errorMessage = editor.find('.scrivito_error_message');
    errorMessage.text(message);
    return errorElement.show();
  };

  hideError = function(editor) {
    var errorElement;
    errorElement = editor.find('div.scrivito_error');
    editor.find('#binary_file_name').removeClass('scrivito_error');
    return errorElement.hide();
  };

  showProgressBar = function(editor) {
    var button, input;
    input = editor.find('#binary_file_name');
    input.attr('disabled', 'disabled');
    disableRenameButton(editor);
    button = editor.find('.scrivito_file_save');
    button.addClass('scrivito_saving');
    return button.find('span').text('Renaming...');
  };

  hideProggresBar = function(editor) {
    var button, input;
    input = editor.find('#binary_file_name');
    button = editor.find('.scrivito_file_save');
    input.removeAttr('disabled');
    enableRenameButton(editor);
    return button.find('span').text('Rename');
  };

  setupKeyBehaviour = function(editor, cmsField) {
    return editor.on('keyup', function(event) {
      var input;
      switch (event.keyCode) {
        case 13:
          return rename(cmsField, editor);
        case 27:
          input = editor.find('#binary_file_name');
          input.val(cmsField.scrivito('content').filename);
          hideError(editor);
          disableRenameButton(editor);
          return input.blur();
      }
    });
  };

  getEditFileNameTemplate = function(content) {
    return "<div class=\"scrivito_binary_file_name_editor\">\n  <div class=\"scrivito_binary_file_name_editor_wrapper\">\n    <input type=\"text\" id=\"binary_file_name\" value=\"" + content + "\" />\n    <a href=\"#\" class=\"scrivito_editing_button scrivito_file_save\">\n      <span>Rename</span>\n    </a>\n    <div class=\"scrivito_error\">\n      <span class=\"scrivito_error_icon\" />\n      <span class=\"scrivito_error_message\" />\n    </div>\n  </div>\n</div>";
  };

  showDeleteButton = function(container, cmsField) {
    if (container && container.find('.delete-binary').length === 0) {
      return $("<a href='#' class='delete-binary editing-button'> <i class='editing-icon editing-icon-trash'></i></a>").prependTo(container).click(function() {
        return cmsField.scrivito('save', null).then(function() {
          return cmsField.scrivito('reload');
        }) && false;
      });
    }
  };

  scrivito.editors.binary_editor = {
    can_edit: function(element) {
      return $(element).is('[data-scrivito-field-type=binary]');
    },
    activate: function(element) {
      return activate(element);
    }
  };

  scrivito.on('load', function() {
    return scrivito.define_editor('binary', scrivito.editors.binary_editor);
  });

}).call(this);