148 lines
4.5 KiB
JavaScript
148 lines
4.5 KiB
JavaScript
/*
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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 2007-2011 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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// 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];
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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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});
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