butcherman / Tech_Bench

    'use strict';

    var Cell = function (initial) {

      var value = initial;

      var get = function () {

        return value;

      };

      var set = function (v) {

        value = v;

      };

      var clone = function () {

        return Cell(get());

      };

      return {

        get: get,

        set: set,

        clone: clone

      };

    };

    var global$1 = tinymce.util.Tools.resolve('tinymce.Env');

    var global$2 = tinymce.util.Tools.resolve('tinymce.util.Delay');

    var getAutoResizeMinHeight = function (editor) {

      return parseInt(editor.getParam('autoresize_min_height', editor.getElement().offsetHeight), 10);

    };

    var getAutoResizeMaxHeight = function (editor) {

      return parseInt(editor.getParam('autoresize_max_height', 0), 10);

    };

    var getAutoResizeOverflowPadding = function (editor) {

      return editor.getParam('autoresize_overflow_padding', 1);

    };

    var getAutoResizeBottomMargin = function (editor) {

      return editor.getParam('autoresize_bottom_margin', 50);

    };

    var shouldAutoResizeOnInit = function (editor) {

      return editor.getParam('autoresize_on_init', true);

    };

    var Settings = {

      getAutoResizeMinHeight: getAutoResizeMinHeight,

      getAutoResizeMaxHeight: getAutoResizeMaxHeight,

      getAutoResizeOverflowPadding: getAutoResizeOverflowPadding,

      getAutoResizeBottomMargin: getAutoResizeBottomMargin,

      shouldAutoResizeOnInit: shouldAutoResizeOnInit

    };

    var isFullscreen = function (editor) {

      return editor.plugins.fullscreen && editor.plugins.fullscreen.isFullscreen();

    };

    var wait = function (editor, oldSize, times, interval, callback) {

      global$2.setEditorTimeout(editor, function () {

        resize(editor, oldSize);

        if (times--) {

          wait(editor, oldSize, times, interval, callback);

        } else if (callback) {

          callback();

        }

      }, interval);

    };

    var toggleScrolling = function (editor, state) {

      var body = editor.getBody();

      if (body) {

        body.style.overflowY = state ? '' : 'hidden';

        if (!state) {

          body.scrollTop = 0;

        }

      }

    };

    var resize = function (editor, oldSize) {

      var deltaSize, doc, body, resizeHeight, myHeight;

      var marginTop, marginBottom, paddingTop, paddingBottom, borderTop, borderBottom;

      var dom = editor.dom;

      doc = editor.getDoc();

      if (!doc) {

        return;

      }

      if (isFullscreen(editor)) {

        toggleScrolling(editor, true);

        return;

      }

      body = doc.body;

      resizeHeight = Settings.getAutoResizeMinHeight(editor);

      marginTop = dom.getStyle(body, 'margin-top', true);

      marginBottom = dom.getStyle(body, 'margin-bottom', true);

      paddingTop = dom.getStyle(body, 'padding-top', true);

      paddingBottom = dom.getStyle(body, 'padding-bottom', true);

      borderTop = dom.getStyle(body, 'border-top-width', true);

      borderBottom = dom.getStyle(body, 'border-bottom-width', true);

      myHeight = body.offsetHeight + parseInt(marginTop, 10) + parseInt(marginBottom, 10) + parseInt(paddingTop, 10) + parseInt(paddingBottom, 10) + parseInt(borderTop, 10) + parseInt(borderBottom, 10);

      if (isNaN(myHeight) || myHeight <= 0) {

        myHeight = global$1.ie ? body.scrollHeight : global$1.webkit && body.clientHeight === 0 ? 0 : body.offsetHeight;

      }

      if (myHeight > Settings.getAutoResizeMinHeight(editor)) {

        resizeHeight = myHeight;

      }

      var maxHeight = Settings.getAutoResizeMaxHeight(editor);

      if (maxHeight && myHeight > maxHeight) {

        resizeHeight = maxHeight;

        toggleScrolling(editor, true);

      } else {

        toggleScrolling(editor, false);

      }

      if (resizeHeight !== oldSize.get()) {

        deltaSize = resizeHeight - oldSize.get();

        dom.setStyle(editor.iframeElement, 'height', resizeHeight + 'px');

        oldSize.set(resizeHeight);

        if (global$1.webkit && deltaSize < 0) {

          resize(editor, oldSize);

        }

      }

    };

    var setup = function (editor, oldSize) {

      editor.on('init', function () {

        var overflowPadding, bottomMargin;

        var dom = editor.dom;

        overflowPadding = Settings.getAutoResizeOverflowPadding(editor);

        bottomMargin = Settings.getAutoResizeBottomMargin(editor);

        if (overflowPadding !== false) {

          dom.setStyles(editor.getBody(), {

            paddingLeft: overflowPadding,

            paddingRight: overflowPadding

          });

        }

        if (bottomMargin !== false) {

          dom.setStyles(editor.getBody(), { paddingBottom: bottomMargin });

        }

      });

        resize(editor, oldSize);

      });

      if (Settings.shouldAutoResizeOnInit(editor)) {

        editor.on('init', function () {

          wait(editor, oldSize, 20, 100, function () {

            wait(editor, oldSize, 5, 1000);

          });

        });

      }

    };

    var Resize = {

      setup: setup,

      resize: resize

    };

    var register = function (editor, oldSize) {

      editor.addCommand('mceAutoResize', function () {

        Resize.resize(editor, oldSize);

      });

    };

    var Commands = { register: register };

    global.add('autoresize', function (editor) {

      if (!editor.inline) {

        var oldSize = Cell(0);

        Commands.register(editor, oldSize);

        Resize.setup(editor, oldSize);

      }

    });

    return Plugin;

}());

})();