wrong viewport library
This commit is contained in:
John Bintz
parent
9f2b6240f6
commit
6c9ace0162
@ -4,7 +4,7 @@ Every other project is owned by the original owner, I'm just aggregating for my
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* [jquery.cookies.js](http://code.google.com/p/cookies)
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* [jquery.elastic.js](http://unwrongest.com/projects/elastic/)
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* [jquery.viewport.js](https://github.com/borbit/jquery.viewport)
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* [jquery.viewport.js](http://www.appelsiini.net/projects/viewport)
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* [Better-Autocomplete](https://github.com/betamos/Better-Autocomplete)
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* [Moment.js](https://github.com/timrwood/moment)
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* [Ajax File Upload](http://phpletter.com/Our-Projects/AjaxFileUpload/)
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2
Rakefile
2
Rakefile
@ -23,7 +23,7 @@ sources = {
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end
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},
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'jquery-viewport' => [
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'https://raw.github.com/borbit/jquery.viewport/master/jquery.viewport.js'
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'http://www.appelsiini.net/download/jquery.viewport.js'
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],
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'better-autocomplete' => [
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'https://raw.github.com/betamos/Better-Autocomplete/develop/src/jquery.better-autocomplete.js',
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256
vendor/assets/javascripts/jquery.viewport.js
vendored
256
vendor/assets/javascripts/jquery.viewport.js
vendored
@ -1,220 +1,58 @@
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/*
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* Viewport - jQuery selectors for finding elements in viewport
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*
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* Copyright (c) 2008-2009 Mika Tuupola
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*
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* Licensed under the MIT license:
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* http://www.opensource.org/licenses/mit-license.php
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*
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* Project home:
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* http://www.appelsiini.net/projects/viewport
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*
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*/
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(function($) {
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$.widget('ui.viewport', {
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options:{
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binderClass: 'viewportBinder',
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contentClass: 'viewportContent',
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position: 'center',
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content: false,
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height: false,
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width: false
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$.belowthefold = function(element, settings) {
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var fold = $(window).height() + $(window).scrollTop();
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return fold <= $(element).offset().top - settings.threshold;
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};
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$.abovethetop = function(element, settings) {
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var top = $(window).scrollTop();
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return top >= $(element).offset().top + $(element).height() - settings.threshold;
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};
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$.rightofscreen = function(element, settings) {
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var fold = $(window).width() + $(window).scrollLeft();
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return fold <= $(element).offset().left - settings.threshold;
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};
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$.leftofscreen = function(element, settings) {
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var left = $(window).scrollLeft();
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return left >= $(element).offset().left + $(element).width() - settings.threshold;
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};
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$.inviewport = function(element, settings) {
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return !$.rightofscreen(element, settings) && !$.leftofscreen(element, settings) && !$.belowthefold(element, settings) && !$.abovethetop(element, settings);
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};
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$.extend($.expr[':'], {
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"below-the-fold": function(a, i, m) {
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return $.belowthefold(a, {threshold : 0});
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},
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_create: function() {
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var content = this.options.content;
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var isObject = typeof(content) == 'object';
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if (isObject && content.tagName != null) {
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this.options.content = $(content);
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} else if (isObject && $.isArray(content)) {
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this.options.content = $(content);
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}
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this.viewport = createViewport(this.element, this.options);
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this.viewport.init();
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this.viewport.adjust();
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"above-the-top": function(a, i, m) {
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return $.abovethetop(a, {threshold : 0});
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},
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content: function() { return this.viewport.content; },
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binder: function() { return this.viewport.binder; },
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adjust: function() { this.viewport.adjust(); },
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update: function() {
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this.viewport.updateContentSize();
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this.viewport.adjust();
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"left-of-screen": function(a, i, m) {
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return $.leftofscreen(a, {threshold : 0});
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},
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size: function(height, width) {
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if (height == null || width == null) {
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return this.viewport.getContentSize();
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}
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this.viewport.setContentHeight(height);
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this.viewport.setContentWidth(width);
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"right-of-screen": function(a, i, m) {
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return $.rightofscreen(a, {threshold : 0});
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},
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height: function(height) {
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if (height == null) {
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return this.viewport.getContentSize().height;
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"in-viewport": function(a, i, m) {
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return $.inviewport(a, {threshold : 0});
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}
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this.viewport.setContentHeight(height);
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},
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width: function(width) {
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if (width == null) {
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return this.viewport.getContentSize().width;
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}
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this.viewport.setContentWidth(width);
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}
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});
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function createViewport(element, options) {
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var binder = $('<div class="' + options.binderClass + '"></div>');
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var content = $('<div class="' + options.contentClass + '"></div>');
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binder.css({position: 'absolute', overflow: 'hidden'});
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element.css({position: 'relative', overflow: 'hidden'});
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content.css({position: 'absolute'});
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var contents = false;
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if (options.content == false && element.contents().length) {
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contents = element.contents().detach();
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} else if (options.content != false) {
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contents = options.content.detach();
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}
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content.append(contents);
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binder.append(content);
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element.append(binder);
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var centerHorizontal = true,
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centerVertical = true,
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heightDiff = 0,
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widthDiff = 0;
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var contentPosition = {top: 0, left: 0};
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var contentSize = {height: 0, width: 0};
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var viewportSize = {height: 0, width: 0};
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element.bind('dragstop', function(event, ui) {
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if(contentPosition.top != ui.position.top) {
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centerHorizontal = false;
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}
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if(contentPosition.left != ui.position.left) {
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centerVertical = false;
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}
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contentPosition.left = ui.position.left;
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contentPosition.top = ui.position.top;
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});
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function init() {
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updateContentSize();
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updateContentPosition();
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}
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function updateContentPosition() {
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var position = options.position.split(' ');
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if (position.indexOf('bottom') != -1) {
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centerVertical = false;
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contentPosition.top = viewportSize.height - contentSize.height;
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} else if (position.indexOf('top') != -1) {
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centerVertical = false;
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contentPosition.top = 0;
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}
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if (position.indexOf('right') != -1) {
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centerHorizontal = false;
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contentPosition.left = viewportSize.width - contentSize.width;
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} else if (position.indexOf('left') != -1) {
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centerHorizontal = false;
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contentPosition.left = 0;
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}
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}
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function updateContentSize() {
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if (options.width != false && options.height != false) {
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content.height(options.height);
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content.width(options.width);
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} else if (contents != false) {
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content.height(contents.height());
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content.width(contents.width());
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}
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contentSize = {
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height: content.height(),
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width: content.width()
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};
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}
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function adjust() {
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viewportSize.height = element.height();
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viewportSize.width = element.width();
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var diff;
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if (viewportSize.height > contentSize.height) {
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content.css('top', 0);
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binder.height(contentSize.height);
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binder.css('top', Math.floor(viewportSize.height / 2) -
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Math.floor(contentSize.height / 2))
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} else {
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diff = contentSize.height - viewportSize.height;
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binder.height(viewportSize.height + diff * 2);
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binder.css('top', -diff);
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if (centerVertical) {
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contentPosition.top = Math.floor(diff / 2);
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content.css('top', contentPosition.top);
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} else {
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var newTop = contentPosition.top + (diff - heightDiff);
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newTop = newTop >= 0 ? newTop : 0;
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contentPosition.top = newTop;
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content.css('top', newTop);
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}
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heightDiff = diff;
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}
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if (viewportSize.width > contentSize.width) {
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content.css('left', 0);
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binder.width(contentSize.width);
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binder.css('left', Math.floor(viewportSize.width / 2) -
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Math.floor(contentSize.width / 2));
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} else {
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diff = contentSize.width - viewportSize.width;
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binder.width(viewportSize.width + diff * 2);
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binder.css('left', -diff);
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if (centerHorizontal) {
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contentPosition.left = Math.floor(diff / 2);
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content.css('left', contentPosition.left);
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} else {
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var newLeft = contentPosition.left + (diff - widthDiff);
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newLeft = newLeft >= 0 ? newLeft : 0;
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contentPosition.left = newLeft;
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content.css('left', newLeft);
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}
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widthDiff = diff;
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}
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}
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function setContentHeight(height) {
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if (height != null) {
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contentSize.height = height;
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content.height(height);
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}
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}
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function setContentWidth(width) {
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if (width != null) {
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contentSize.width = width;
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content.width(width);
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}
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}
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function getContentSize() {
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return contentSize;
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}
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return {
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init: init,
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adjust: adjust,
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updateContentSize: updateContentSize,
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setContentHeight: setContentHeight,
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setContentWidth: setContentWidth,
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getContentSize: getContentSize,
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content: content,
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binder: binder
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};
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}
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})(jQuery);
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