87 lines
3 KiB
JavaScript
87 lines
3 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Ajax.org Code Editor (ACE).
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*
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* The Initial Developer of the Original Code is
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* Ajax.org Services B.V.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Fabian Jakobs <fabian AT ajax DOT org>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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define(function(require, exports, module) {
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var oop = require("ace/lib/oop").oop;
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var lang = require("ace/lib/lang").lang;
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var dom = require("ace/lib/dom").dom;
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var event = require("ace/lib/event").event;
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var MEventEmitter = require("ace/event_emitter").MEventEmitter;
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var ScrollBar = function(parent) {
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this.element = document.createElement("div");
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this.element.className = "ace_sb";
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this.inner = document.createElement("div");
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this.element.appendChild(this.inner);
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parent.appendChild(this.element);
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this.width = dom.scrollbarWidth();
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this.element.style.width = this.width;
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event.addListener(this.element, "scroll", lang.bind(this.onScroll, this));
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};
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(function() {
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oop.implement(this, MEventEmitter);
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this.onScroll = function() {
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this.$dispatchEvent("scroll", {data: this.element.scrollTop});
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};
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this.getWidth = function() {
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return this.width;
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};
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this.setHeight = function(height) {
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this.element.style.height = Math.max(0, height - this.width) + "px";
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};
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this.setInnerHeight = function(height) {
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this.inner.style.height = height + "px";
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};
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this.setScrollTop = function(scrollTop) {
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this.element.scrollTop = scrollTop;
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};
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}).call(ScrollBar.prototype);
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return ScrollBar;
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});
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