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lib/auto/TT2/Play/Area/public/codemirror/addon/scroll/simplescrollbars.js  view on Meta::CPAN

      buttonSize = minButtonSize;
    }
    this.inner.style[this.orientation == "horizontal" ? "width" : "height"] =
      buttonSize + "px";
    this.setPos(this.pos, sizeChanged);
  };

  function SimpleScrollbars(cls, place, scroll) {
    this.addClass = cls;
    this.horiz = new Bar(cls, "horizontal", scroll);
    place(this.horiz.node);
    this.vert = new Bar(cls, "vertical", scroll);
    place(this.vert.node);
    this.width = null;
  }

  SimpleScrollbars.prototype.update = function(measure) {
    if (this.width == null) {
      var style = window.getComputedStyle ? window.getComputedStyle(this.horiz.node) : this.horiz.node.currentStyle;
      if (style) this.width = parseInt(style.height);
    }
    var width = this.width || 0;

    var needsH = measure.scrollWidth > measure.clientWidth + 1;
    var needsV = measure.scrollHeight > measure.clientHeight + 1;
    this.vert.node.style.display = needsV ? "block" : "none";
    this.horiz.node.style.display = needsH ? "block" : "none";

    if (needsV) {
      this.vert.update(measure.scrollHeight, measure.clientHeight,
                       measure.viewHeight - (needsH ? width : 0));
      this.vert.node.style.bottom = needsH ? width + "px" : "0";
    }
    if (needsH) {
      this.horiz.update(measure.scrollWidth, measure.clientWidth,
                        measure.viewWidth - (needsV ? width : 0) - measure.barLeft);
      this.horiz.node.style.right = needsV ? width + "px" : "0";
      this.horiz.node.style.left = measure.barLeft + "px";
    }

    return {right: needsV ? width : 0, bottom: needsH ? width : 0};
  };

  SimpleScrollbars.prototype.setScrollTop = function(pos) {
    this.vert.setPos(pos);
  };

  SimpleScrollbars.prototype.setScrollLeft = function(pos) {
    this.horiz.setPos(pos);
  };

  SimpleScrollbars.prototype.clear = function() {
    var parent = this.horiz.node.parentNode;
    parent.removeChild(this.horiz.node);
    parent.removeChild(this.vert.node);
  };

  CodeMirror.scrollbarModel.simple = function(place, scroll) {
    return new SimpleScrollbars("CodeMirror-simplescroll", place, scroll);
  };
  CodeMirror.scrollbarModel.overlay = function(place, scroll) {
    return new SimpleScrollbars("CodeMirror-overlayscroll", place, scroll);
  };
});