mirror of
https://github.com/codeninjasllc/codecombat.git
synced 2024-11-23 23:58:02 -05:00
- initial implementation of antiscroll, squashed
This commit is contained in:
Karthig
Nick Winter
parent
89d720dc30
commit
f52dced0ce
3 changed files with 548 additions and 4 deletions
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@ -31,8 +31,7 @@
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<link rel="shortcut icon" href="/images/favicon.ico">
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<link rel="stylesheet" href="/stylesheets/app.css">
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<script src="/lib/ace/ace.js"></script>
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<script src="/lib/ace/ace.js"></script>
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<!--[if IE 9]> <script src="/javascripts/vendor_with_box2d.js"></script> <![endif]-->
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<!--[if !IE]><!--> <script src="/javascripts/vendor.js"></script> <!--<![endif]-->
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<script src="/javascripts/app.js"></script> <!-- it's all Backbone! -->
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@ -112,8 +111,12 @@
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<header class="header-container" id="header-container"></header>
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<div id="page-container"></div>
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<div class="antiscroll-wrap">
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<div class="antiscroll-inner">
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<div id="page-container"></div>
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</div>
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</div>
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<div id="modal-wrapper"></div>
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<!-- begin google api/plus code -->
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@ -155,5 +158,12 @@
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(function(a){if(window.filepicker){return}var b=a.createElement("script");b.type="text/javascript";b.async=!0;b.src=("https:"===a.location.protocol?"https:":"http:")+"//api.filepicker.io/v1/filepicker.js";var c=a.getElementsByTagName("script")[0];c.parentNode.insertBefore(b,c);var d={};d._queue=[];var e="pick,pickMultiple,pickAndStore,read,write,writeUrl,export,convert,store,storeUrl,remove,stat,setKey,constructWidget,makeDropPane".split(",");var f=function(a,b){return function(){b.push([a,arguments])}};for(var g=0;g<e.length;g++){d[e[g]]=f(e[g],d._queue)}window.filepicker=d})(document);
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</script>
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<!-- end filepicker.io code -->
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<!-- begin antiscroll code -->
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<script type="text/javascript">
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$(function () {
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$('.antiscroll-wrap').antiscroll();
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});
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</script>
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<!-- end antiscroll code -->
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</body>
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</html>
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471
vendor/scripts/antiscroll.js
vendored
Normal file
471
vendor/scripts/antiscroll.js
vendored
Normal file
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@ -0,0 +1,471 @@
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(function ($) {
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/**
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* Augment jQuery prototype.
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*/
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$.fn.antiscroll = function (options) {
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return this.each(function () {
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if ($(this).data('antiscroll')) {
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$(this).data('antiscroll').destroy();
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}
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$(this).data('antiscroll', new $.Antiscroll(this, options));
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});
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};
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/**
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* Expose constructor.
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*/
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$.Antiscroll = Antiscroll;
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/**
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* Antiscroll pane constructor.
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*
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* @param {Element|jQuery} main pane
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* @parma {Object} options
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* @api public
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*/
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function Antiscroll (el, opts) {
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this.el = $(el);
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this.options = opts || {};
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this.x = (false !== this.options.x) || this.options.forceHorizontal;
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this.y = (false !== this.options.y) || this.options.forceVertical;
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this.autoHide = false !== this.options.autoHide;
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this.padding = undefined == this.options.padding ? 2 : this.options.padding;
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this.inner = this.el.find('.antiscroll-inner');
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this.inner.css({
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'width': '+=' + (this.y ? scrollbarSize() : 0)
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, 'height': '+=' + (this.x ? scrollbarSize() : 0)
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});
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this.refresh();
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};
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/**
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* refresh scrollbars
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*
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* @api public
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*/
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Antiscroll.prototype.refresh = function() {
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var needHScroll = this.inner.get(0).scrollWidth > this.el.width() + (this.y ? scrollbarSize() : 0),
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needVScroll = this.inner.get(0).scrollHeight > this.el.height() + (this.x ? scrollbarSize() : 0);
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if (this.x) {
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if (!this.horizontal && needHScroll) {
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this.horizontal = new Scrollbar.Horizontal(this);
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} else if (this.horizontal && !needHScroll) {
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this.horizontal.destroy();
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this.horizontal = null;
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} else if (this.horizontal) {
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this.horizontal.update();
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}
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}
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if (this.y) {
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if (!this.vertical && needVScroll) {
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this.vertical = new Scrollbar.Vertical(this);
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} else if (this.vertical && !needVScroll) {
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this.vertical.destroy();
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this.vertical = null;
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} else if (this.vertical) {
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this.vertical.update();
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}
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}
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};
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/**
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* Cleans up.
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*
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* @return {Antiscroll} for chaining
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* @api public
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*/
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Antiscroll.prototype.destroy = function () {
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if (this.horizontal) {
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this.horizontal.destroy();
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this.horizontal = null
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}
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if (this.vertical) {
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this.vertical.destroy();
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this.vertical = null
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}
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return this;
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};
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/**
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* Rebuild Antiscroll.
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*
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* @return {Antiscroll} for chaining
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* @api public
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*/
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Antiscroll.prototype.rebuild = function () {
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this.destroy();
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this.inner.attr('style', '');
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Antiscroll.call(this, this.el, this.options);
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return this;
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};
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/**
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* Scrollbar constructor.
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*
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* @param {Element|jQuery} element
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* @api public
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*/
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function Scrollbar (pane) {
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this.pane = pane;
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this.pane.el.append(this.el);
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this.innerEl = this.pane.inner.get(0);
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this.dragging = false;
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this.enter = false;
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this.shown = false;
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// hovering
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this.pane.el.mouseenter($.proxy(this, 'mouseenter'));
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this.pane.el.mouseleave($.proxy(this, 'mouseleave'));
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// dragging
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this.el.mousedown($.proxy(this, 'mousedown'));
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// scrolling
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this.innerPaneScrollListener = $.proxy(this, 'scroll');
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this.pane.inner.scroll(this.innerPaneScrollListener);
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// wheel -optional-
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this.innerPaneMouseWheelListener = $.proxy(this, 'mousewheel');
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this.pane.inner.bind('mousewheel', this.innerPaneMouseWheelListener);
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// show
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var initialDisplay = this.pane.options.initialDisplay;
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if (initialDisplay !== false) {
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this.show();
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if (this.pane.autoHide) {
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this.hiding = setTimeout($.proxy(this, 'hide'), parseInt(initialDisplay, 10) || 3000);
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}
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}
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};
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/**
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* Cleans up.
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*
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* @return {Scrollbar} for chaining
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* @api public
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*/
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Scrollbar.prototype.destroy = function () {
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this.el.remove();
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this.pane.inner.unbind('scroll', this.innerPaneScrollListener);
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this.pane.inner.unbind('mousewheel', this.innerPaneMouseWheelListener);
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return this;
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};
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/**
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* Called upon mouseenter.
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*
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* @api private
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*/
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Scrollbar.prototype.mouseenter = function () {
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this.enter = true;
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this.show();
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};
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/**
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* Called upon mouseleave.
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*
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* @api private
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*/
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Scrollbar.prototype.mouseleave = function () {
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this.enter = false;
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if (!this.dragging) {
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if (this.pane.autoHide) {
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this.hide();
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}
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}
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};
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/**
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* Called upon wrap scroll.
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*
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* @api private
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*/
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Scrollbar.prototype.scroll = function () {
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if (!this.shown) {
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this.show();
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if (!this.enter && !this.dragging) {
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if (this.pane.autoHide) {
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this.hiding = setTimeout($.proxy(this, 'hide'), 1500);
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}
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}
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}
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this.update();
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};
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/**
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* Called upon scrollbar mousedown.
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*
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* @api private
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*/
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Scrollbar.prototype.mousedown = function (ev) {
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ev.preventDefault();
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this.dragging = true;
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this.startPageY = ev.pageY - parseInt(this.el.css('top'), 10);
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this.startPageX = ev.pageX - parseInt(this.el.css('left'), 10);
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// prevent crazy selections on IE
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this.el[0].ownerDocument.onselectstart = function () { return false; };
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var pane = this.pane,
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move = $.proxy(this, 'mousemove'),
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self = this
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$(this.el[0].ownerDocument)
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.mousemove(move)
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.mouseup(function () {
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self.dragging = false;
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this.onselectstart = null;
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$(this).unbind('mousemove', move);
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if (!self.enter) {
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self.hide();
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}
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});
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};
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/**
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* Show scrollbar.
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*
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* @api private
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*/
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Scrollbar.prototype.show = function (duration) {
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if (!this.shown && this.update()) {
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this.el.addClass('antiscroll-scrollbar-shown');
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if (this.hiding) {
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clearTimeout(this.hiding);
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this.hiding = null;
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}
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this.shown = true;
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}
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};
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/**
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* Hide scrollbar.
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*
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* @api private
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*/
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Scrollbar.prototype.hide = function () {
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if (this.pane.autoHide !== false && this.shown) {
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// check for dragging
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this.el.removeClass('antiscroll-scrollbar-shown');
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this.shown = false;
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}
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};
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/**
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* Horizontal scrollbar constructor
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*
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* @api private
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*/
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Scrollbar.Horizontal = function (pane) {
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this.el = $('<div class="antiscroll-scrollbar antiscroll-scrollbar-horizontal"/>', pane.el);
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Scrollbar.call(this, pane);
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};
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/**
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* Inherits from Scrollbar.
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*/
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inherits(Scrollbar.Horizontal, Scrollbar);
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/**
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* Updates size/position of scrollbar.
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*
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* @api private
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*/
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Scrollbar.Horizontal.prototype.update = function () {
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var paneWidth = this.pane.el.width(),
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trackWidth = paneWidth - this.pane.padding * 2,
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innerEl = this.pane.inner.get(0)
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this.el
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.css('width', trackWidth * paneWidth / innerEl.scrollWidth)
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.css('left', trackWidth * innerEl.scrollLeft / innerEl.scrollWidth);
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return paneWidth < innerEl.scrollWidth;
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};
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/**
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* Called upon drag.
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*
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* @api private
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*/
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Scrollbar.Horizontal.prototype.mousemove = function (ev) {
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var trackWidth = this.pane.el.width() - this.pane.padding * 2,
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pos = ev.pageX - this.startPageX,
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barWidth = this.el.width(),
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innerEl = this.pane.inner.get(0)
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// minimum top is 0, maximum is the track height
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var y = Math.min(Math.max(pos, 0), trackWidth - barWidth);
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innerEl.scrollLeft = (innerEl.scrollWidth - this.pane.el.width())
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* y / (trackWidth - barWidth);
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};
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/**
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* Called upon container mousewheel.
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*
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* @api private
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*/
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Scrollbar.Horizontal.prototype.mousewheel = function (ev, delta, x, y) {
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if ((x < 0 && 0 == this.pane.inner.get(0).scrollLeft) ||
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(x > 0 && (this.innerEl.scrollLeft + Math.ceil(this.pane.el.width())
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== this.innerEl.scrollWidth))) {
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ev.preventDefault();
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return false;
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}
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};
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/**
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* Vertical scrollbar constructor
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*
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* @api private
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*/
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Scrollbar.Vertical = function (pane) {
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this.el = $('<div class="antiscroll-scrollbar antiscroll-scrollbar-vertical"/>', pane.el);
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Scrollbar.call(this, pane);
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};
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/**
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* Inherits from Scrollbar.
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*/
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inherits(Scrollbar.Vertical, Scrollbar);
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/**
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* Updates size/position of scrollbar.
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*
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* @api private
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*/
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Scrollbar.Vertical.prototype.update = function () {
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var paneHeight = this.pane.el.height(),
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trackHeight = paneHeight - this.pane.padding * 2,
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innerEl = this.innerEl;
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var scrollbarHeight = trackHeight * paneHeight / innerEl.scrollHeight;
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scrollbarHeight = scrollbarHeight < 20 ? 20 : scrollbarHeight;
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var topPos = trackHeight * innerEl.scrollTop / innerEl.scrollHeight;
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if((topPos + scrollbarHeight) > trackHeight) {
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var diff = (topPos + scrollbarHeight) - trackHeight;
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topPos = topPos - diff - 3;
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}
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this.el
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.css('height', scrollbarHeight)
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.css('top', topPos);
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return paneHeight < innerEl.scrollHeight;
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};
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/**
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* Called upon drag.
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*
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* @api private
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*/
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Scrollbar.Vertical.prototype.mousemove = function (ev) {
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var paneHeight = this.pane.el.height(),
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trackHeight = paneHeight - this.pane.padding * 2,
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pos = ev.pageY - this.startPageY,
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barHeight = this.el.height(),
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innerEl = this.innerEl
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// minimum top is 0, maximum is the track height
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var y = Math.min(Math.max(pos, 0), trackHeight - barHeight);
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innerEl.scrollTop = (innerEl.scrollHeight - paneHeight)
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* y / (trackHeight - barHeight);
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};
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/**
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* Called upon container mousewheel.
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*
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* @api private
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*/
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Scrollbar.Vertical.prototype.mousewheel = function (ev, delta, x, y) {
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if ((y > 0 && 0 == this.innerEl.scrollTop) ||
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(y < 0 && (this.innerEl.scrollTop + Math.ceil(this.pane.el.height())
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== this.innerEl.scrollHeight))) {
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ev.preventDefault();
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return false;
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}
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};
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/**
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* Cross-browser inheritance.
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*
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* @param {Function} constructor
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* @param {Function} constructor we inherit from
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* @api private
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*/
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function inherits (ctorA, ctorB) {
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function f() {};
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f.prototype = ctorB.prototype;
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ctorA.prototype = new f;
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};
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/**
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* Scrollbar size detection.
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*/
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var size;
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function scrollbarSize () {
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if (size === undefined) {
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var div = $(
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'<div class="antiscroll-inner" style="width:50px;height:50px;overflow-y:scroll;'
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+ 'position:absolute;top:-200px;left:-200px;"><div style="height:100px;width:100%"/>'
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+ '</div>'
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);
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$('body').append(div);
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var w1 = $(div).innerWidth();
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var w2 = $('div', div).innerWidth();
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$(div).remove();
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size = w1 - w2;
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}
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return size;
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};
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})(jQuery);
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63
vendor/styles/antiscroll.css
vendored
Normal file
63
vendor/styles/antiscroll.css
vendored
Normal file
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@ -0,0 +1,63 @@
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.antiscroll-wrap {
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display: inline-block;
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position: relative;
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overflow: hidden;
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}
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.antiscroll-scrollbar {
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background: gray;
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background: rgba(0, 0, 0, 0.5);
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-webkit-border-radius: 7px;
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-moz-border-radius: 7px;
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border-radius: 7px;
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-webkit-box-shadow: 0 0 1px #fff;
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-moz-box-shadow: 0 0 1px #fff;
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||||
box-shadow: 0 0 1px #fff;
|
||||
position: absolute;
|
||||
opacity: 0;
|
||||
filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=0);
|
||||
-webkit-transition: linear 300ms opacity;
|
||||
-moz-transition: linear 300ms opacity;
|
||||
-o-transition: linear 300ms opacity;
|
||||
}
|
||||
|
||||
.antiscroll-scrollbar-shown {
|
||||
opacity: 1;
|
||||
filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=100);
|
||||
}
|
||||
|
||||
.antiscroll-scrollbar-horizontal {
|
||||
height: 7px;
|
||||
margin-left: 2px;
|
||||
bottom: 2px;
|
||||
left: 0;
|
||||
}
|
||||
|
||||
.antiscroll-scrollbar-vertical {
|
||||
width: 7px;
|
||||
margin-top: 2px;
|
||||
right: 2px;
|
||||
top: 0;
|
||||
}
|
||||
|
||||
.antiscroll-inner {
|
||||
overflow: scroll;
|
||||
}
|
||||
|
||||
/** A bug in Chrome 25 on Lion requires each selector to have their own
|
||||
blocks. E.g. the following:
|
||||
|
||||
.antiscroll-inner::-webkit-scrollbar, .antiscroll-inner::scrollbar {...}
|
||||
|
||||
causes the width and height rules to be ignored by the browser resulting
|
||||
in both native and antiscroll scrollbars appearing at the same time.
|
||||
*/
|
||||
.antiscroll-inner::-webkit-scrollbar {
|
||||
width: 0;
|
||||
height: 0;
|
||||
}
|
||||
|
||||
.antiscroll-inner::scrollbar {
|
||||
width: 0;
|
||||
height: 0;
|
||||
}
|
||||
Loading…
Reference in a new issue