Mercurial > hg > Papers > 2022 > ikki-master

comparison slide/s6/js/jquery.slideshow.controls.js @ 14:0a4cafd954b9

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add slide
author ichikitakahiro <e165713@ie.u-ryukyu.ac.jp>
date Sat, 05 Feb 2022 04:49:27 +0900
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13:9991e90cff65 14:0a4cafd954b9
1 /***********
2 *
3 * control addon:
4 *
5 * adds toggle, prev slide, next slide links/buttons and jump list
6 * - use key-c to toggle controls (in projection mode)
7 *
8 * layout structure:
9 *
10 * .layout
11 * > #controls (holding navigation controls)
12 * > #navLinks
13 * > #toggle
14 * > #navList
15 * > #jumplist
16 */
17
18
19 Slideshow.ctrlInit = function()
20 {
21 this.debug( 'calling ctrlInit()' );
22
23 var self = this; // NOTE: jquery binds this in .each,.click, etc to element
24
25 // todo: make layout into an id (not class?)
26 // do we need or allow more than one element?
27
28 // if no div.layout exists, create one
29 if( $( '.layout' ).length == 0 )
30 $( 'body' ).append( "<div class='layout'></div>");
31
32 $( '.layout' ).append( "<div id='controls'>" );
33
34 var $controls = $( '#controls' )
35
36 $controls.html( '<div id="navLinks">'
37 + '<a accesskey="t" id="toggle" href="#">&#216;<\/a>'
38 + '<a accesskey="z" id="prev" href="#">&laquo;<\/a>'
39 + '<a accesskey="x" id="next" href="#">&raquo;<\/a>'
40 + '<div id="navList"><select id="jumplist" /><\/div>'
41 + '<\/div>' );
42
43 $controls.hover( function() { self.ctrlShow(); }, function() { self.ctrlHide(); });
44 $('#toggle').click( function() { self.toggle(); } );
45 $('#prev').click( function() { self.go(-1); } );
46 $('#next').click( function() { self.go(1); } );
47
48 $('#jumplist').change( function() { self.goTo( parseInt( $( '#jumplist' ).val() )); } );
49
50 this.ctrlPopulateJumpList();
51 }
52
53
54 Slideshow.ctrlDebugOn = function()
55 {
56 this.debug( 'calling ctrlDebugOn()' );
57 $( '#controls' ).addClass( 'debug' );
58 }
59
60 Slideshow.ctrlDebugOff = function()
61 {
62 this.debug( 'calling ctrlDebugOff()' );
63 $( '#controls' ).removeClass( 'debug' );
64 }
65
66 Slideshow.ctrlKeys = function( event, key )
67 {
68 this.debug( 'calling ctrlKeys()' );
69
70 switch( key.which ) {
71 case 67: // c
72 this.ctrlToggle();
73 break;
74 }
75 }
76
77 Slideshow.ctrlChange = function()
78 {
79 this.debug( 'calling ctrlChange()' );
80 this.ctrlUpdateJumpList();
81 }
82
83 // -----------------------------------------------------
84
85 Slideshow.ctrlPopulateJumpList = function()
86 {
87 var self = this; // NOTE: jquery binds this in .each to element
88
89 var list = $('#jumplist').get(0);
90
91 this.$slides.each( function(i) {
92 var text = "-"; // untitled slide
93
94 // todo: use titleSelector if user set??
95 // $(this).find( self.settings.titleSelector ).text();
96
97 var $h1 = $( 'h1', this );
98 if( $h1.length > 0 )
99 {
100 text = $h1.first().text();
101 }
102 else // try h2
103 {
104 var $h2 = $( 'h2', this );
105 if( $h2.length > 0 )
106 {
107 text = $h2.first().text();
108 }
109 else // try h3
110 {
111 var $h3 = $( 'h3', this );
112 if( $h3.length > 0 )
113 {
114 text = $h3.first().text();
115 }
116 }
117 }
118
119 list.options[list.length] = new Option( (i+1)+' : '+ text, (i+1) );
120 });
121 }
122
123 Slideshow.ctrlUpdateJumpList = function()
124 {
125 $('#jumplist').get(0).selectedIndex = (this.snum-1);
126 }
127
128 Slideshow.ctrlShow = function()
129 {
130 $( '#navLinks' ).css( 'visibility', 'visible' );
131 }
132
133 Slideshow.ctrlHide = function()
134 {
135 $( '#navLinks' ).css( 'visibility', 'hidden' );
136 }
137
138 Slideshow.ctrlToggle = function()
139 {
140 // toggle control panel
141 var $navLinks = $( '#navLinks' );
142
143 if( $navLinks.css( 'visibility' ) != 'visible' )
144 $navLinks.css( 'visibility', 'visible' );
145 else
146 $navLinks.css( 'visibility', 'hidden' );
147 }
148
149
150 // ------------------------------------------------
151
152 Slideshow.ctrlAddEvents = function()
153 {
154 $( document ).on( 'slideshow.init', $.proxy( Slideshow.ctrlInit, this ));
155 $( document ).on( 'slideshow.debug.on', $.proxy( Slideshow.ctrlDebugOn, this ));
156 $( document ).on( 'slideshow.debug.off', $.proxy( Slideshow.ctrlDebugOff, this ));
157 $( document ).on( 'slideshow.keys', $.proxy( Slideshow.ctrlKeys, this ));
158 $( document ).on( 'slideshow.change', $.proxy( Slideshow.ctrlChange, this ));
159 }
160
161 Slideshow.ctrlAddStyles = function() {
162 this.debug( 'add builtin controls css via inline style elements' );
163
164 var styleProjection =
165 "<style media='screen,projection'> \n"+
166 " \n"+
167 " #controls.debug { background: #BBD; } \n"+
168 " \n"+
169 " #controls { position: fixed; \n"+
170 " left: 60%; bottom: 0; \n"+
171 " width: 40%; \n"+
172 " z-index: 100; \n"+
173 " text-align: right; \n"+
174 " font-weight: bold; \n"+
175 " font-size: 120%; \n"+
176 " } \n"+
177 " \n"+
178 " #controls :focus { outline: 1px dotted white;} \n"+
179 " \n"+
180 " #controls #navLinks { text-align: right; margin: 0; visibility: hidden; } \n"+
181
182 " \n"+
183 " #controls #navLinks a { padding: 0; margin: 0 0.5em; cursor: pointer; border: none; } \n"+
184 " \n"+
185 " #controls #navLinks :link, \n"+
186 " #controls #navLinks :visited {text-decoration: none; } \n"+
187 " \n"+
188 " #controls #navList #jumplist { background: white; color: black; } \n"+
189 "</style>";
190
191 var styleScreen =
192 "<style media='screen'> \n"+
193 "/********* \n"+
194 " * make toggle button visible and reposition to upper right corner \n"+
195 " * note: toogle button is nested inside #controls > #navLinks > #toogle \n"+
196 " */ \n"+
197 " \n"+
198 " #controls, \n"+
199 " #navLinks, \n"+
200 " #toggle { display: block; \n"+
201 " visibility: visible; \n"+
202 " margin: 0; padding: 0; \n"+
203 " } \n"+
204 " \n"+
205 " #toggle { position: fixed; \n"+
206 " top: 0; right: 0; \n"+
207 " padding: 0.5em; \n"+
208 " border-left: 1px solid; \n"+
209 " border-bottom: 1px solid; \n"+
210 " background: white; \n"+
211 " } \n"+
212 "</style>";
213
214 $( 'head' ).append( styleProjection );
215 $( 'head' ).append( styleScreen );
216 }
217
218 Slideshow.ctrlAddStyles();
219 Slideshow.ctrlAddEvents();