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159 lines
4.7 KiB
159 lines
4.7 KiB
/* |
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* sidebar.js |
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* ~~~~~~~~~~ |
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* |
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* This script makes the Sphinx sidebar collapsible. |
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* |
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* .sphinxsidebar contains .sphinxsidebarwrapper. This script adds |
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* in .sphixsidebar, after .sphinxsidebarwrapper, the #sidebarbutton |
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* used to collapse and expand the sidebar. |
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* |
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* When the sidebar is collapsed the .sphinxsidebarwrapper is hidden |
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* and the width of the sidebar and the margin-left of the document |
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* are decreased. When the sidebar is expanded the opposite happens. |
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* This script saves a per-browser/per-session cookie used to |
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* remember the position of the sidebar among the pages. |
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* Once the browser is closed the cookie is deleted and the position |
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* reset to the default (expanded). |
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* |
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* :copyright: Copyright 2007-2016 by the Sphinx team, see AUTHORS. |
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* :license: BSD, see LICENSE for details. |
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* |
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*/ |
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$(function() { |
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// global elements used by the functions. |
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// the 'sidebarbutton' element is defined as global after its |
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// creation, in the add_sidebar_button function |
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var bodywrapper = $('.bodywrapper'); |
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var sidebar = $('.sphinxsidebar'); |
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var sidebarwrapper = $('.sphinxsidebarwrapper'); |
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// for some reason, the document has no sidebar; do not run into errors |
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if (!sidebar.length) return; |
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// original margin-left of the bodywrapper and width of the sidebar |
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// with the sidebar expanded |
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var bw_margin_expanded = bodywrapper.css('margin-left'); |
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var ssb_width_expanded = sidebar.width(); |
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// margin-left of the bodywrapper and width of the sidebar |
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// with the sidebar collapsed |
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var bw_margin_collapsed = '.8em'; |
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var ssb_width_collapsed = '.8em'; |
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// colors used by the current theme |
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var dark_color = $('.related').css('background-color'); |
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var light_color = $('.document').css('background-color'); |
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function sidebar_is_collapsed() { |
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return sidebarwrapper.is(':not(:visible)'); |
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} |
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function toggle_sidebar() { |
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if (sidebar_is_collapsed()) |
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expand_sidebar(); |
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else |
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collapse_sidebar(); |
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} |
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function collapse_sidebar() { |
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sidebarwrapper.hide(); |
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sidebar.css('width', ssb_width_collapsed); |
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bodywrapper.css('margin-left', bw_margin_collapsed); |
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sidebarbutton.css({ |
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'margin-left': '0', |
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'height': bodywrapper.height() |
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}); |
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sidebarbutton.find('span').text('»'); |
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sidebarbutton.attr('title', _('Expand sidebar')); |
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document.cookie = 'sidebar=collapsed'; |
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} |
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function expand_sidebar() { |
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bodywrapper.css('margin-left', bw_margin_expanded); |
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sidebar.css('width', ssb_width_expanded); |
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sidebarwrapper.show(); |
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sidebarbutton.css({ |
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'margin-left': ssb_width_expanded-12, |
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'height': bodywrapper.height() |
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}); |
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sidebarbutton.find('span').text('«'); |
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sidebarbutton.attr('title', _('Collapse sidebar')); |
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document.cookie = 'sidebar=expanded'; |
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} |
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function add_sidebar_button() { |
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sidebarwrapper.css({ |
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'float': 'left', |
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'margin-right': '0', |
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'width': ssb_width_expanded - 28 |
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}); |
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// create the button |
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sidebar.append( |
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'<div id="sidebarbutton"><span>«</span></div>' |
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); |
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var sidebarbutton = $('#sidebarbutton'); |
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light_color = sidebarbutton.css('background-color'); |
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// find the height of the viewport to center the '<<' in the page |
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var viewport_height; |
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if (window.innerHeight) |
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viewport_height = window.innerHeight; |
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else |
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viewport_height = $(window).height(); |
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sidebarbutton.find('span').css({ |
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'display': 'block', |
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'margin-top': (viewport_height - sidebar.position().top - 20) / 2 |
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}); |
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sidebarbutton.click(toggle_sidebar); |
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sidebarbutton.attr('title', _('Collapse sidebar')); |
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sidebarbutton.css({ |
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'color': '#FFFFFF', |
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'border-left': '1px solid ' + dark_color, |
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'font-size': '1.2em', |
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'cursor': 'pointer', |
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'height': bodywrapper.height(), |
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'padding-top': '1px', |
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'margin-left': ssb_width_expanded - 12 |
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}); |
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sidebarbutton.hover( |
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function () { |
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$(this).css('background-color', dark_color); |
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}, |
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function () { |
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$(this).css('background-color', light_color); |
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} |
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); |
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} |
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function set_position_from_cookie() { |
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if (!document.cookie) |
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return; |
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var items = document.cookie.split(';'); |
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for(var k=0; k<items.length; k++) { |
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var key_val = items[k].split('='); |
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var key = key_val[0].replace(/ /, ""); // strip leading spaces |
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if (key == 'sidebar') { |
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var value = key_val[1]; |
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if ((value == 'collapsed') && (!sidebar_is_collapsed())) |
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collapse_sidebar(); |
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else if ((value == 'expanded') && (sidebar_is_collapsed())) |
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expand_sidebar(); |
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} |
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} |
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} |
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add_sidebar_button(); |
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var sidebarbutton = $('#sidebarbutton'); |
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set_position_from_cookie(); |
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}); |