| 1 | /**
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| 2 | * JTab - Javascript/CSS Guitar Chord and Tab Notation for the Web.
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| 3 | * Version 1.3.1
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| 4 | * Written by Paul Gallagher (http://tardate.com), 2009. (original version and maintainer)
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| 5 | * Contributions:
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| 6 | * Jason Ong (https://github.com/jasonong)
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| 7 | * Bruno Bornsztein (https://github.com/bborn)
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| 8 | * Binary Bit LAN (https://github.com/binarybitlan)
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| 9 | * See:
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| 10 | * http://jtab.tardate.com : more information on availability, configuration and use.
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| 11 | * http://github.com/tardate/jtab/tree/master : source code repository, wiki, documentation
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| 12 | *
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| 13 | * This library also depends on the following two libraries that must be loaded for it to work:
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| 14 | * jQuery - http://www.jquery.com/
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| 15 | * Raphael - http://raphaeljs.com/
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| 16 | *
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| 17 | *
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| 18 | * This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General
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| 19 | * Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option)
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| 20 | * any later version.
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| 21 | *
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| 22 | * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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| 23 | * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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| 24 | * details.
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| 25 | *
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| 26 | * You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to
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| 27 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 28 | */
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| 29 |
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| 30 | //
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| 31 | // define the jtab class
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| 32 | //
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| 33 |
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| 34 | var jtab = {
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| 35 | Version : '1.3.1',
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| 36 | element_count:0, //TODO:
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| 37 | Strings : {
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| 38 | AboutDialog : '<html><head><title>About jTab</title></head><body style=""><p style="">jTab version: {V}</p><p><a href="http://jtab.tardate.com" target="_blank">http://jtab.tardate.com</a></p><p><input type="button" class="close" value="OK" onClick="window.close()"/></p></body></html>'
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| 39 | },
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| 40 | Chords : {
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| 41 | // chord data - currently explicit representation for 6 string guitar, standard tuning only, and
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| 42 | // each chord is an array of alternate positions
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| 43 | // 0 : 1st (open) position
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| 44 | // 1 : 1st barre position, generally at 12/13/14th fret
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| 45 | // - minimum, only required for CAGED chords where open strings are used in the 1st (open) position
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| 46 | // since the main purpose of this is to provide barre fingering positions for CAGED-based chords
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| 47 | // 2.. : alternative positions/fingerings
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| 48 | // each position is an array comprising: 1. base fret (0==nut); 2. 6x note definitions (strings 6,5,4,3,2,1)
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| 49 | // each note is an array: (fret position), (left hand fingering if applicable 1,2,3,4,T)
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| 50 | // fret position: -1 = muted/not played; 0 = open; 1,2,3... = fret position
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| 51 | C : [ [ 0, [-1 ], [3,3], [2,2], [0 ], [1,1], [0 ] ], [ 12, [-1,-1], [15,4], [14,3], [12,1], [13,2], [12,1 ] ] ],
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| 52 | Cm : [ [ 0, [-1 ], [3,4], [1,2], [0 ], [1,1], [-1 ] ], [ 12, [-1,-1], [15,4], [13,3], [12,1], [13,2], [-1,-1] ] ],
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| 53 | C6 : [ [ 0, [-1 ], [0 ], [2,2], [2,3], [1,1], [3,4] ], [ 12, [-1,-1], [12,1], [14,3], [14,3], [13,2], [15,4] ] ],
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| 54 | Cm6 : [ [ 0, [-1 ], [-1 ], [1,1], [2,3], [1,2], [3,4] ], [ ] ],
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| 55 | C69 : [ [ 0, [-1 ], [3,2], [2,1], [2,1], [3,3], [3,4] ], [ ] ],
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| 56 | C7 : [ [ 0, [-1 ], [3,3], [2,2], [3,4], [1,1], [0 ] ], [ 12, [-1,-1], [15,3], [14,2], [15,4], [13,1], [12, ] ] ],
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| 57 | Cm7 : [ [ 0, [-1 ], [-1 ], [1,1], [3,3], [1,1], [3,4] ], [ ] ],
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| 58 | Cmaj7 : [ [ 0, [-1 ], [3,3], [2,2], [0 ], [0 ], [0 ] ], [ 12, [-1,-1], [15,4], [14,3], [12,1], [12,1], [12,1] ] ],
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| 59 | C7b5 : [ [ 2, [-1 ], [3,1], [4,3], [3,2], [5,4], [-1 ] ], [ ] ],
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| 60 | "C7#5" : [ [ 0, [-1 ], [-1 ], [2,2], [3,3], [1,1], [4,4] ], [ ] ],
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| 61 | "Cm7b5" : [ [ 0, [-1 ], [3,1], [4,3], [3,2], [4,4], [-1 ] ], [ ] ],
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| 62 | C7b9 : [ [ 0, [-1 ], [3,3], [2,1], [3,4], [2,2], [0 ] ], [ ] ],
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| 63 | C9 : [ [ 0, [-1 ], [3,2], [2,1], [3,3], [3,4], [-1 ] ], [ ] ],
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| 64 | Cm9 : [ [ 0, [-1 ], [3,2], [1,1], [3,3], [3,3], [3,3] ], [ ] ],
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| 65 | Cmaj9 : [ [ 0, [-1 ], [3,3], [0 ], [0 ], [0 ], [0 ] ], [ 12, [-1 ], [15,3], [12,1], [12,1], [12,1], [12,1] ] ],
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| 66 | Cadd9 : [ [ 0, [-1 ], [3,2], [2,1], [0 ], [3,3], [0 ] ], [ 12, [-1 ], [15,3], [14,2], [12,1], [15,4], [12,1] ] ],
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| 67 | C13 : [ [ 2, [-1 ], [3,1], [5,2], [3,1], [5,3], [5,4] ], [ ] ],
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| 68 | Csus2 : [ [ 2, [ -1], [3,1], [5,3], [5,4], [3,1], [3,1] ], [ ] ],
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| 69 | Csus4 : [ [ 2, [ -1], [3,1], [5,2], [5,3], [6,4], [3,1] ], [ ] ],
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| 70 | Cdim : [ [ 0, [-1 ], [3,3], [4,4], [2,2], [1,1], [-1 ] ], [ ] ],
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| 71 | Cdim7 : [ [ 0, [-1 ], [-1 ], [1,1], [2,3], [1,2], [2,4] ], [ ] ],
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| 72 | Caug : [ [ 0, [-1 ], [-1 ], [2,2], [1,1], [1,1], [4,4] ], [ ] ],
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| 73 |
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| 74 | "C#" : [ [ 0, [-1 ], [4,4], [3,4], [1,1], [2,2], [1,1] ], [ ] ],
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| 75 | "C#m" : [ [ 0, [-1 ], [-1 ], [2,2], [1,1], [2,3], [0 ] ], [ ] ],
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| 76 | "C#6" : [ [ 0, [-1 ], [-1 ], [3,2], [3,3], [2,1], [4,4] ], [ ] ],
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| 77 | "C#m6" : [ [ 0, [-1 ], [4,3], [2,1], [3,2], [2,1], [4,4] ], [ ] ],
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| 78 | "C#69" : [ [ 2, [-1 ], [4,2], [3,1], [3,1], [4,3], [4,4] ], [ ] ],
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| 79 | "C#7" : [ [ 0, [-1 ], [-1 ], [3,2], [4,3], [2,1], [4,4] ], [ ] ],
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| 80 | "C#m7" : [ [ 0, [-1 ], [-1 ], [2,1], [4,3], [2,1], [4,4] ], [ ] ],
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| 81 | "C#maj7": [ [ 0, [-1 ], [4,4], [3,3], [1,1], [1,1], [1,1] ], [ ] ],
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| 82 | "C#7b5" : [ [ 0, [3,2], [0 ], [3,3], [4,4], [2,1], [-1 ] ], [ ] ],
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| 83 | "C#7#5" : [ [ 0, [-1 ], [4,3], [3,2], [2,1], [0 ], [-1 ] ], [ ] ],
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| 84 | "C#m7b5": [ [ 0, [-1 ], [2,1], [2,2], [0 ], [2,3], [0 ] ], [ ] ],
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| 87 | "C#m9" : [ [ 0, [0 ], [2,2], [1,1], [1,1], [2,3], [0 ] ], [ ] ],
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| 88 | "C#maj9": [ [ 0, [-1 ], [4,4], [1,1], [1,1], [1,1], [1,1] ], [ ] ],
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| 89 | "C#add9": [ [ 0, [1,1], [-1 ], [1,1], [1,1], [2,2], [1,1] ], [ ] ],
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| 90 | "C#13" : [ [ 3, [-1 ], [4,1], [6,2], [4,1], [6,3], [6,4] ], [ ] ],
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| 91 | "C#sus2": [ [ 0, [-1 ], [-1 ], [3,3], [3,4], [1,1], [1,1] ], [ ] ],
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| 92 | "C#sus4": [ [ 0, [-1 ], [-1 ], [3,2], [3,3], [4,4], [1,1] ], [ ] ],
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| 93 | "C#dim" : [ [ 0, [-1 ], [-1 ], [2,1], [3,3], [2,2], [3,4] ], [ ] ],
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| 94 | "C#dim7": [ [ 0, [-1 ], [-1 ], [2,1], [3,3], [2,2], [3,4] ], [ ] ],
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| 95 | "C#aug" : [ [ 0, [-1 ], [4,4], [3,3], [2,1], [2,2], [-1 ] ], [ ] ],
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| 96 |
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| 97 |
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| 98 | D : [ [ 0, [-1 ], [0 ], [0 ], [2,1], [3,3], [2,2] ], [ 12, [-1,-1], [12,1], [12,1], [14,3], [15,4], [14,2] ] ],
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| 99 | Dm : [ [ 0, [-1 ], [0 ], [0 ], [2,2], [3,3], [1,1] ], [ 12, [-1,-1], [12,1], [12,1], [14,3], [15,4], [13,2] ] ],
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| 100 | D6 : [ [ 0, [-1 ], [0 ], [0 ], [2,2], [0 ], [2,3] ], [ 12, [-1,-1], [12,1], [12,1], [14,3], [12,1], [14,4] ] ],
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| 101 | Dm6 : [ [ 0, [-1 ], [2,2], [0 ], [2,3], [0 ], [1,1] ], [ 12, [-1,-1], [14,3], [12,1], [14,4], [12,1], [1,2] ] ],
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| 102 | D69 : [ [ 3, [-1 ], [5,2], [4,1], [4,1], [5,3], [5,4] ], [ ] ],
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| 103 | D7 : [ [ 0, [-1 ], [0 ], [0 ], [2,2], [1,1], [2,3] ], [ 12, [-1,-1], [12,1], [12,1], [14,3], [13,2], [14,4] ] ],
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| 104 | Dm7 : [ [ 0, [-1 ], [-1 ], [0 ], [2,2], [1,1], [1,1] ], [ 12, [-1,-1], [-1,-1], [12,1], [14,4], [13,2], [13,3] ] ],
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| 105 | Dmaj7 : [ [ 0, [-1 ], [5,4], [4,3], [2,1], [2,1], [2,1] ], [ ] ],
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| 106 | D7b5 : [ [ 4, [-1 ], [5,1], [6,3], [5,2], [7,4], [-1 ] ], [ ] ],
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| 107 | "D7#5" : [ [ 0, [-1 ], [-1 ], [0 ], [4,3], [1,1], [2,2] ], [ 12, [-1,-1], [-1,-1], [12,1], [16,4], [13,2], [14,3] ] ],
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| 108 | Dm7b5 : [ [ 0, [-1 ], [-1 ], [0 ], [1,1], [1,1], [1,1] ], [ 12, [-1,-1], [-1,-1], [12,1], [12,2], [12,3], [12,4] ] ],
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| 109 | D7b9 : [ [ 3, [-1 ], [5,2], [4,1], [5,3], [4,1], [5,4] ], [ ] ],
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| 110 | D9 : [ [ 0, [2,2], [-1 ], [0 ], [2,3], [1,1], [0 ] ], [ 12, [14,4 ], [-1,-1], [12,1], [14,3], [13,2], [12,1] ] ],
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| 112 | Dmaj9 : [ [ 0, [-1 ], [5,4], [2,1], [2,1], [2,1], [2,1] ], [ ] ],
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| 113 | Dadd9 : [ [ 0, [-1 ], [-1 ], [0 ], [2,1], [3,2], [0 ] ], [ 12, [-1,-1], [-1,-1], [12,1], [14,3], [15,4], [12,1] ] ],
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| 114 | D13 : [ [ 4, [-1 ], [5,1], [7,2], [5,1], [7,3], [7,4] ], [ ] ],
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| 115 | Dsus2 : [ [ 0, [-1 ], [-1 ], [0 ], [2,1], [3,3], [0 ] ], [ 12, [-1,-1], [-1,-1], [12,1], [14,3], [15,4], [12,1] ] ],
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| 116 | Dsus4 : [ [ 0, [-1 ], [-1 ], [0 ], [2,1], [3,3], [3,4] ], [ 12, [-1,-1], [-1,-1], [12,1], [14,2], [15,3], [15,4] ] ],
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| 117 | Ddim : [ [ 0, [-1 ], [-1 ], [0 ], [1,1], [0 ], [1,2] ], [ 12, [-1,-1], [-1,-1], [12,1], [13,2], [12,1], [13,3] ] ],
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| 118 | Ddim7 : [ [ 0, [-1 ], [2,3], [0 ], [1,1], [0 ], [1,2] ], [ 12, [-1,-1], [14,4], [12,1], [13,2], [12,1], [13,3] ] ],
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| 119 | Daug : [ [ 0, [-1 ], [-1 ], [0 ], [3,2], [3,3], [2,1] ], [ 12, [-1,-1], [-1,-1], [12,1], [15,3], [15,4], [14,2] ] ],
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| 120 |
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| 121 | "Eb" : [ [ 0, [-1 ], [-1 ], [5,4], [3,1], [4,3], [3,2] ], [ ] ],
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| 122 | "Ebm" : [ [ 0, [-1 ], [-1 ], [4,3], [3,2], [4,4], [2,1] ], [ ] ],
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| 123 | "Eb6" : [ [ 0, [-1 ], [3,1], [5,3], [3,1], [4,2], [3,1] ], [ ] ],
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| 128 | "Ebmaj7": [ [ 0, [-1 ], [-1 ], [1,1], [3,2], [3,3], [3,4] ], [ ] ],
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| 129 | "Eb7b5" : [ [ 0, [-1 ], [-1 ], [1,1], [2,2], [2,3], [4,4] ], [ ] ],
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| 137 | "Eb13" : [ [ 4, [-1 ], [6,2], [5,1], [6,3], [8,4], [8,4] ], [ ] ],
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| 138 | "Ebsus2": [ [ 0, [1,1], [1,1], [1,1], [3,3], [-1 ], [1,1] ], [ ] ],
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| 141 | "Ebdim7": [ [ 0, [-1 ], [-1 ], [1,1], [2,3], [1,2], [2,4] ], [ ] ],
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| 142 | "Ebaug" : [ [ 0, [3,3], [2,2], [1,1], [0 ], [0 ], [3,4] ], [ ] ],
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| 143 |
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| 154 | Em7b5 : [ [ 0, [-1 ], [-1 ], [2,1], [3,2], [3,3], [3,4] ], [ ] ],
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| 161 | Esus2 : [ [ 0, [ -1], [2,1], [4,3], [4,4], [-1 ], [0 ] ], [ 12, [ -1,-1], [14,2], [16,3], [16,4], [-1 ], [12,1] ] ],
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| 304 |
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|
|---|
| 310 | B7 : [ [ 0, [ -1], [2,2], [1,1], [2,3], [0 ], [2,4] ], [ ] ],
|
|---|
| 311 | Bm7 : [ [ 0, [ -1], [2,2], [0 ], [2,3], [0 ], [2,4] ], [ ] ],
|
|---|
| 312 | Bmaj7 : [ [ 0, [ -1], [2,1], [4,3], [3,2], [4,4], [2,1] ], [ ] ],
|
|---|
| 313 | B7b5 : [ [ 5, [7,2], [-1 ], [7,3], [8,4], [6,1], [-1 ] ], [ ] ],
|
|---|
| 314 | "B7#5" : [ [ 0, [ -1], [2,2], [1,1], [2,3], [0 ], [3,4] ], [ ] ],
|
|---|
| 315 | "Bm7b5" : [ [ 0, [-1 ], [2,2], [0 ], [2,3], [0 ], [1,1] ], [ ] ],
|
|---|
| 316 | B7b9 : [ [ 0, [ -1], [2,2], [1,1], [2,3], [1,1], [2,4] ], [ ] ],
|
|---|
| 317 | B9 : [ [ 6, [7,1], [9,3], [7,1], [8,2], [7,1], [9,4] ], [ ] ],
|
|---|
| 318 | Bm9 : [ [ 0, [ -1], [2,1], [0 ], [2,2], [2,3], [2,4] ], [ ] ],
|
|---|
| 319 | Bmaj9 : [ [ 0, [ -1], [2,2], [1,1], [3,4], [2,3], [2,3] ], [ ] ],
|
|---|
| 320 | Badd9 : [ [ 0, [ -1], [2,1], [4,3], [4,4], [2,1], [2,1] ], [ ] ],
|
|---|
| 321 | B13 : [ [ 0, [-1 ], [2,2], [1,1], [2,3], [0 ], [4,4] ], [ ] ],
|
|---|
| 322 | Bsus2 : [ [ 0, [ -1], [2,1], [4,3], [4,4], [2,1], [2,1] ], [ ] ],
|
|---|
| 323 | Bsus4 : [ [ 0, [ -1], [2,1], [4,2], [4,3], [5,4], [2,1] ], [ ] ],
|
|---|
| 324 | Bdim : [ [ 0, [-1], [2,1], [3,2], [4,4], [3,3], [-1 ] ], [ ] ],
|
|---|
| 325 | Bdim7 : [ [ 0, [-1], [-1 ], [0 ], [1,1], [0 ], [1,2] ], [ ] ],
|
|---|
| 326 | Baug : [ [ 0, [-1], [2,1], [5,4], [4,2], [4,3], [3,1] ], [ ] ]
|
|---|
| 327 | },
|
|---|
| 328 | WesternScale: {
|
|---|
| 329 | BaseNotes: { // for each: array[ translated western scale note, caged base, base fret ]
|
|---|
| 330 | 'C' : [ 'C' , 'C', 0 ],
|
|---|
| 331 | 'C#': [ 'C#', 'C', 1 ],
|
|---|
| 332 | 'Db': [ 'C#', 'C', 1 ],
|
|---|
| 333 | 'D' : [ 'D' , 'D', 0 ],
|
|---|
| 334 | 'D#': [ 'Eb', 'D', 1 ],
|
|---|
| 335 | 'Eb': [ 'Eb', 'D', 1 ],
|
|---|
| 336 | 'E' : [ 'E' , 'E', 0 ],
|
|---|
| 337 | 'F' : [ 'F' , 'E', 1 ],
|
|---|
| 338 | 'F#': [ 'F#', 'E', 2 ],
|
|---|
| 339 | 'Gb': [ 'F#', 'E', 2 ],
|
|---|
| 340 | 'G' : [ 'G' , 'G', 0 ],
|
|---|
| 341 | 'G#': [ 'G#', 'G', 1 ],
|
|---|
| 342 | 'Ab': [ 'G#', 'G', 1 ],
|
|---|
| 343 | 'A' : [ 'A' , 'A', 0 ],
|
|---|
| 344 | 'A#': [ 'Bb', 'A', 1 ],
|
|---|
| 345 | 'Bb': [ 'Bb', 'A', 1 ],
|
|---|
| 346 | 'B' : [ 'B' , 'A', 2 ]
|
|---|
| 347 | },
|
|---|
| 348 | BaseIntervals: ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'G#', 'A', 'Bb', 'B']
|
|---|
| 349 | },
|
|---|
| 350 | ChordList : function() {
|
|---|
| 351 | var list = [];
|
|---|
| 352 | for (var key in jtab.Chords) {
|
|---|
| 353 | list.push( key );
|
|---|
| 354 | }
|
|---|
| 355 | return list;
|
|---|
| 356 | },
|
|---|
| 357 | /*
|
|---|
| 358 | * Usage: jtab.AddChord("ChordName", Chord-Array)
|
|---|
| 359 | * Example of Add: jtab.AddChord("Dsus4l", [ [ 0, [-1 ], [-1 ], [3,2], [2,1], [3,3], [3,4] ], [ 12, [-1,-1], [-1,-1], [12,1], [14,2], [15,3], [15,4] ] ]);
|
|---|
| 360 | * Example of Update: jtab.AddChord("A", [ [ 0, [-1], [0 ], [2,3], [2,2], [2,1], [0 ] ], [ 12, [-1,-1], [12,1], [14,2], [14,3], [14,4], [12,1] ] ]);
|
|---|
| 361 | */
|
|---|
| 362 | AddChord : function(chordName, chord) {
|
|---|
| 363 | this.Chords[chordName] = chord;
|
|---|
| 364 | }
|
|---|
| 365 | };
|
|---|
| 366 |
|
|---|
| 367 | //
|
|---|
| 368 | // define Array utility functions
|
|---|
| 369 | //
|
|---|
| 370 |
|
|---|
| 371 | Array.prototype.max_chars = function() {
|
|---|
| 372 | var max = this[0].length;
|
|---|
| 373 | var len = this.length;
|
|---|
| 374 | for (var i = 1; i < len; i++) if (this[i].length > max) max = this[i].length;
|
|---|
| 375 | return max;
|
|---|
| 376 | }
|
|---|
| 377 |
|
|---|
| 378 |
|
|---|
| 379 | //
|
|---|
| 380 | // define jtabChord class
|
|---|
| 381 | // public members:
|
|---|
| 382 | // isValid = whether valid chord defined
|
|---|
| 383 | // isCaged = whether chord is CAGED type
|
|---|
| 384 | // isCustom = whether chord is a custom fingering
|
|---|
| 385 | // fullChordName = full chord name, including position e.g. D#m7:3
|
|---|
| 386 | // chordName = chord name, without position e.g. D#m7
|
|---|
| 387 | // baseName = translated chord name (B <-> #), without position e.g. Ebm7
|
|---|
| 388 | // rootNote = root note e.g. D#
|
|---|
| 389 | // rootExt = root note extension e.g. m7
|
|---|
| 390 | // cagedBaseShape = caged base shape e.g. D
|
|---|
| 391 | // cagedBaseFret = caged base fret e.g. 0
|
|---|
| 392 | // cagedPos = caged position e.g. 3
|
|---|
| 393 | //
|
|---|
| 394 |
|
|---|
| 395 | function jtabChord (token) {
|
|---|
| 396 |
|
|---|
| 397 | this.scale = jtab.WesternScale;
|
|---|
| 398 | this.baseNotes = this.scale.BaseNotes;
|
|---|
| 399 | this.baseChords = jtab.Chords;
|
|---|
| 400 | this.chordArray = null;
|
|---|
| 401 | this.isValid = false;
|
|---|
| 402 |
|
|---|
| 403 | this.fullChordName = token;
|
|---|
| 404 | this.isCustom = ( this.fullChordName.match( /\%/ ) != null )
|
|---|
| 405 | this.isCaged = ( this.fullChordName.match( /\:/ ) != null )
|
|---|
| 406 |
|
|---|
| 407 |
|
|---|
| 408 | if (this.isCaged) {
|
|---|
| 409 | var parts = this.fullChordName.split(':');
|
|---|
| 410 | this.chordName = parts[0];
|
|---|
| 411 | this.cagedPos = parts[1];
|
|---|
| 412 | } else if (this.isCustom){
|
|---|
| 413 | var parts = this.fullChordName.match( /\[(.+?)\]/ );
|
|---|
| 414 | if(parts){
|
|---|
| 415 | this.chordName = parts[1];
|
|---|
| 416 | } else {
|
|---|
| 417 | this.chordName = '';
|
|---|
| 418 | }
|
|---|
| 419 | } else {
|
|---|
| 420 | this.chordName = this.fullChordName;
|
|---|
| 421 | this.cagedPos = 1;
|
|---|
| 422 | }
|
|---|
| 423 | this.rootExt = this.chordName.replace(/^[A-G#b]{1,2}/,'');
|
|---|
| 424 | this.rootNote = this.chordName.substr(0, this.chordName.length - this.rootExt.length);
|
|---|
| 425 | var baseNoteInfo = this.baseNotes[this.rootNote];
|
|---|
| 426 | if (baseNoteInfo) {
|
|---|
| 427 | this.baseName = baseNoteInfo[0] + this.rootExt;
|
|---|
| 428 | this.cagedBaseShape = baseNoteInfo[1];
|
|---|
| 429 | this.cagedBaseFret = baseNoteInfo[2];
|
|---|
| 430 | } else {
|
|---|
| 431 | this.cagedBaseShape = '';
|
|---|
| 432 | this.cagedBaseFret = 0;
|
|---|
| 433 | }
|
|---|
| 434 |
|
|---|
| 435 | if ( ( this.isCaged ) && ( this.cagedPos > 1 ) ) {
|
|---|
| 436 | this.setCagedChordArray();
|
|---|
| 437 | } else if (this.isCustom){
|
|---|
| 438 | this.setCustomChordArray();
|
|---|
| 439 | } else {
|
|---|
| 440 | this.setChordArray(this.baseName);
|
|---|
| 441 | }
|
|---|
| 442 | }
|
|---|
| 443 |
|
|---|
| 444 | jtabChord.prototype.setCustomChordArray = function(){
|
|---|
| 445 | this.chordArray = new Array();
|
|---|
| 446 | this.chordArray = this.parseCustomChordArrayFromToken();
|
|---|
| 447 | };
|
|---|
| 448 |
|
|---|
| 449 | jtabChord.prototype.parseCustomChordArrayFromToken = function() {
|
|---|
| 450 | notes = this.fullChordName.replace(/(\%|\[.+\])/g, '');
|
|---|
| 451 | pairs = notes.split('.');
|
|---|
| 452 | if (pairs.length < 6){
|
|---|
| 453 | this.isValid = false;
|
|---|
| 454 | return;
|
|---|
| 455 | }
|
|---|
| 456 | this.isValid = true;
|
|---|
| 457 |
|
|---|
| 458 | array = [];
|
|---|
| 459 | for (var i = 0; i < pairs.length; i++){
|
|---|
| 460 | pair = pairs[i].split('/')
|
|---|
| 461 | if (pair[0].match(/X/)){
|
|---|
| 462 | pair = [-1]
|
|---|
| 463 | }
|
|---|
| 464 | array.push(pair)
|
|---|
| 465 | }
|
|---|
| 466 |
|
|---|
| 467 | // fingeredFrets = array.reject(function(p){
|
|---|
| 468 | // return p.length === 1
|
|---|
| 469 | // }).collect(function(p){
|
|---|
| 470 | // return parseInt(p[0])
|
|---|
| 471 | // }).flatten().without(0,-1)
|
|---|
| 472 |
|
|---|
| 473 | // `array` is an array of string/fretnumber pairs like [0,1].
|
|---|
| 474 |
|
|---|
| 475 | fingeredFrets = jQuery.grep(array, function(pair){
|
|---|
| 476 | // get only the pairs with two elements
|
|---|
| 477 | return (pair.length != 1);
|
|---|
| 478 | }).map(function(pair){
|
|---|
| 479 | return parseInt(pair[0]);
|
|---|
| 480 | }).map(function(i){
|
|---|
| 481 | if ((i != 0) || (i != -1)){
|
|---|
| 482 | return i;
|
|---|
| 483 | } else {
|
|---|
| 484 | return null;
|
|---|
| 485 | }
|
|---|
| 486 | })
|
|---|
| 487 |
|
|---|
| 488 | fingeredFrets = jQuery.grep(fingeredFrets,function(n){
|
|---|
| 489 | return(n);
|
|---|
| 490 | });
|
|---|
| 491 |
|
|---|
| 492 | //find all the fret positions which arent X or 0. I'm sure there's a better way to do this.
|
|---|
| 493 |
|
|---|
| 494 | min = Math.min.apply( Math, fingeredFrets );
|
|---|
| 495 |
|
|---|
| 496 | array.unshift(min-1);
|
|---|
| 497 | return array;
|
|---|
| 498 | };
|
|---|
| 499 |
|
|---|
| 500 | jtabChord.prototype.setChordArray = function(chordName) { // clones chord array (position 0) from chord ref data into this object
|
|---|
| 501 | this.chordArray = new Array();
|
|---|
| 502 | if (this.baseChords[chordName] === undefined ) {
|
|---|
| 503 | this.isValid = false;
|
|---|
| 504 | return;
|
|---|
| 505 | }
|
|---|
| 506 | this.isValid = true;
|
|---|
| 507 | var modelRef = this.baseChords[chordName][0];
|
|---|
| 508 | this.chordArray[0] = modelRef[0]
|
|---|
| 509 | for (var i = 1; i < modelRef.length ; i++) {
|
|---|
| 510 | this.chordArray[i] = modelRef[i]; // TODO: this.chordArray[i] = modelRef[i].clone();
|
|---|
| 511 | }
|
|---|
| 512 | };
|
|---|
| 513 |
|
|---|
| 514 | jtabChord.prototype.setCagedChordArray = function() {
|
|---|
| 515 | if ( ! this.cagedBaseShape.match( /[CAGED]/ ) ) return;
|
|---|
| 516 | var caged_index = "CAGED".indexOf(this.cagedBaseShape) + 1; // get 1-based index
|
|---|
| 517 | var fret_widths = [3,2,3,2,2];
|
|---|
| 518 |
|
|---|
| 519 | var starting_fret = this.cagedBaseFret;
|
|---|
| 520 |
|
|---|
| 521 | for (var i = 1; i < this.cagedPos ; i++) {
|
|---|
| 522 | var index = (caged_index - 1) % 5;
|
|---|
| 523 | caged_index = ( caged_index >= 5) ? 1 : caged_index + 1;
|
|---|
| 524 | starting_fret += fret_widths[index];
|
|---|
| 525 | }
|
|---|
| 526 |
|
|---|
| 527 | var modelChord = "CAGED".charAt( caged_index - 1 ) + this.rootExt;
|
|---|
| 528 | this.setChordArray(modelChord);
|
|---|
| 529 | this.shiftChordArray(starting_fret,modelChord);
|
|---|
| 530 | };
|
|---|
| 531 |
|
|---|
| 532 | jtabChord.prototype.shiftChordArray = function(atFret,modelChord) { // shift chord to new fret position
|
|---|
| 533 | var initFret = this.chordArray[0];
|
|---|
| 534 | if (atFret != initFret) {
|
|---|
| 535 | var use_caged_fingering = ( (this.isCaged) && (this.cagedPos > 0) && ( ! ( this.baseChords[modelChord][1][0] === undefined ) ) );
|
|---|
| 536 |
|
|---|
| 537 | this.chordArray[0] = atFret - 1;
|
|---|
| 538 | for (var i = 1; i < this.chordArray.length ; i++) {
|
|---|
| 539 | var fret = (this.chordArray[i][0] >= 0 ) ? this.chordArray[i][0] + atFret - initFret : this.chordArray[i][0];
|
|---|
| 540 | var finger = (use_caged_fingering) ? this.baseChords[modelChord][1][i][1] : this.chordArray[i][1];
|
|---|
| 541 | this.chordArray[i] = [ fret , finger ];
|
|---|
| 542 | }
|
|---|
| 543 | }
|
|---|
| 544 | };
|
|---|
| 545 |
|
|---|
| 546 |
|
|---|
| 547 |
|
|---|
| 548 | //
|
|---|
| 549 | // define extensions to the Raphael class
|
|---|
| 550 | //
|
|---|
| 551 |
|
|---|
| 552 | Raphael.fn.tabtype = 0; // 0 = none, 1 = tab & chord, 2 = chord, 3 = tab
|
|---|
| 553 | Raphael.fn.has_chord = false;
|
|---|
| 554 | Raphael.fn.has_tab = false;
|
|---|
| 555 |
|
|---|
| 556 | Raphael.fn.debug = false;
|
|---|
| 557 | Raphael.fn.scale = 1;
|
|---|
| 558 | Raphael.fn.margin_top = 36;
|
|---|
| 559 | Raphael.fn.margin_bottom = 10;
|
|---|
| 560 | Raphael.fn.margin_left = 16;
|
|---|
| 561 | Raphael.fn.margin_right = 10;
|
|---|
| 562 |
|
|---|
| 563 | Raphael.fn.current_offset = Raphael.fn.margin_left;
|
|---|
| 564 |
|
|---|
| 565 | Raphael.fn.string_spacing = 16;
|
|---|
| 566 | Raphael.fn.strings_drawn = 6;
|
|---|
| 567 | Raphael.fn.fret_spacing = 16;
|
|---|
| 568 | Raphael.fn.frets_drawn = 4;
|
|---|
| 569 | Raphael.fn.note_radius = 7;
|
|---|
| 570 |
|
|---|
| 571 | Raphael.fn.fret_width = Raphael.fn.string_spacing * ( Raphael.fn.strings_drawn - 1 );
|
|---|
| 572 | Raphael.fn.fret_height = Raphael.fn.fret_spacing * (Raphael.fn.frets_drawn + 0.5);
|
|---|
| 573 | Raphael.fn.chord_width = Raphael.fn.margin_left + Raphael.fn.fret_width + Raphael.fn.string_spacing + Raphael.fn.margin_right;
|
|---|
| 574 | Raphael.fn.chord_height = Raphael.fn.margin_top + Raphael.fn.fret_height + Raphael.fn.margin_bottom;
|
|---|
| 575 |
|
|---|
| 576 | Raphael.fn.tab_current_string = 0; // 1,2,3,4,5,6 or 0 = not set
|
|---|
| 577 | Raphael.fn.tab_margin_top = 10;
|
|---|
| 578 | Raphael.fn.tab_top = Raphael.fn.chord_height + Raphael.fn.tab_margin_top;
|
|---|
| 579 | Raphael.fn.tab_spacing = Raphael.fn.fret_spacing;
|
|---|
| 580 | Raphael.fn.tab_height = Raphael.fn.tab_spacing * 5;
|
|---|
| 581 | Raphael.fn.tab_char_width = 8;
|
|---|
| 582 |
|
|---|
| 583 | Raphael.fn.total_height = Raphael.fn.tab_top + Raphael.fn.tab_height + Raphael.fn.margin_bottom;
|
|---|
| 584 |
|
|---|
| 585 | Raphael.fn.color = "#000";
|
|---|
| 586 | Raphael.fn.fingering_text_color = "#fff";
|
|---|
| 587 | Raphael.fn.tab_text_color = "#000";
|
|---|
| 588 |
|
|---|
| 589 |
|
|---|
| 590 | // debug helper - puts grid marks on the rendered image
|
|---|
| 591 | Raphael.fn.debug_grid = function (width) {
|
|---|
| 592 | // h ticks
|
|---|
| 593 | this.path(this.svg_params(this.current_offset, 0,0,4)).attr({stroke: this.color, "stroke-width":0.2 })
|
|---|
| 594 | this.path(this.svg_params( this.current_offset + this.margin_left, 0,0,2)).attr({stroke: this.color, "stroke-width":0.2 })
|
|---|
| 595 | this.path(this.svg_params( this.current_offset + width - this.margin_right, 0,0,2)).attr({stroke: this.color, "stroke-width":0.2 })
|
|---|
| 596 | // v ticks
|
|---|
| 597 | if (this.tabtype == 3) {
|
|---|
| 598 | this.path(this.svg_params(this.current_offset, this.tab_margin_top,2,0)).attr({stroke: this.color, "stroke-width":0.2 })
|
|---|
| 599 | } else {
|
|---|
| 600 | this.path(this.svg_params(this.current_offset, this.margin_top,2, 0)).attr({stroke: this.color, "stroke-width":0.2 })
|
|---|
| 601 | }
|
|---|
| 602 | }
|
|---|
| 603 |
|
|---|
| 604 |
|
|---|
| 605 | // step the current position for drawing
|
|---|
| 606 | Raphael.fn.increment_offset = function (width) {
|
|---|
| 607 | w = ( width === undefined ) ? this.chord_width : width;
|
|---|
| 608 | if (this.debug) this.debug_grid(w);
|
|---|
| 609 | this.current_offset += w;
|
|---|
| 610 | this.setSize( this.current_offset, this.total_height );
|
|---|
| 611 | }
|
|---|
| 612 |
|
|---|
| 613 | Raphael.fn.svg_params = function(x,y,l1,l2) {
|
|---|
| 614 | // http://www.w3.org/TR/SVG/paths.html#PathData --helpful reading
|
|---|
| 615 | var move_line_to = "m"+x+" "+y+"l"+l1+" "+l2
|
|---|
| 616 | if(arguments.length == 4) return move_line_to
|
|---|
| 617 | }
|
|---|
| 618 |
|
|---|
| 619 | // draw the fretboard
|
|---|
| 620 | Raphael.fn.chord_fretboard = function ( position, chord_name ) {
|
|---|
| 621 | var fret_left = this.current_offset + this.margin_left;
|
|---|
| 622 | // conventional fret labels
|
|---|
| 623 | var fret_labels = [ '', '', '', 'III', '', 'V', '', 'VII', '', 'IX', '', '', 'XII', '', '', 'XV', '', 'XVII', '', 'XIX', '', 'XXI', '' ];
|
|---|
| 624 | // alternative friendly fret labels. Currently disabled, maybe bring these back as a configurable option?
|
|---|
| 625 | // var fret_labels = [ '', '1fr', '2fr', '3fr', '4fr', '5fr', '6fr', '7fr', '8fr', '9fr', '10fr', '11fr', '12fr', '13fr', '14fr', '15fr', '16fr', '17fr', '18fr', '19fr', '20fr', '21fr', '' ];
|
|---|
| 626 |
|
|---|
| 627 | this.text( // chord name
|
|---|
| 628 | fret_left + 2.5 * this.string_spacing,
|
|---|
| 629 | this.margin_top - 20,
|
|---|
| 630 | chord_name).attr({fill: this.tab_text_color, "font-size":"20px"});
|
|---|
| 631 |
|
|---|
| 632 | var stroke_width = position == 0 ? 3 : 0 // nut
|
|---|
| 633 | var chord_fretboard_path = this.path(this.svg_params(fret_left,this.margin_top,this.string_spacing * (this.strings_drawn - 1),0))
|
|---|
| 634 | chord_fretboard_path.attr({stroke: this.color, "stroke-width":stroke_width })
|
|---|
| 635 |
|
|---|
| 636 | for (var i = 0; i <= this.frets_drawn; i++ ) { // frets
|
|---|
| 637 |
|
|---|
| 638 | this.path(this.svg_params(fret_left,this.margin_top + (i * this.fret_spacing),this.string_spacing * (this.strings_drawn - 1), 0))
|
|---|
| 639 |
|
|---|
| 640 | pos = ( fret_labels[ position + i ] === undefined ) ? '' : fret_labels[ position + i ];
|
|---|
| 641 |
|
|---|
| 642 | if ( pos.length > 0 ) { // draw fret position
|
|---|
| 643 | this.text(
|
|---|
| 644 | fret_left + this.fret_width + this.string_spacing * 1.0,
|
|---|
| 645 | this.margin_top + ( ( i - 0.5 ) * this.fret_spacing),
|
|---|
| 646 | pos).attr({stroke: this.tab_text_color, "font-size":"12px"});
|
|---|
| 647 | }
|
|---|
| 648 | }
|
|---|
| 649 | for (var i = 0; i < this.strings_drawn; i++ ) {
|
|---|
| 650 | this.path(this.svg_params(fret_left + (i * this.string_spacing),this.margin_top,0, this.fret_spacing * (this.frets_drawn + 0.5))) // strings
|
|---|
| 651 | }
|
|---|
| 652 | this.tab_extend(this.chord_width); // extend the tab if present
|
|---|
| 653 | }
|
|---|
| 654 |
|
|---|
| 655 |
|
|---|
| 656 | // draw a stroke (/)
|
|---|
| 657 | Raphael.fn.stroke = function () {
|
|---|
| 658 |
|
|---|
| 659 | if (this.has_tab) {
|
|---|
| 660 | var width = this.tab_char_width * 3;
|
|---|
| 661 | // extend tab
|
|---|
| 662 | this.tab_extend(width);
|
|---|
| 663 | // stroke
|
|---|
| 664 | var stroke_path = this.path(this.svg_params(this.current_offset + this.tab_char_width, this.tab_top + (3.5 * this.tab_spacing),this.tab_char_width, - 2 * this.tab_spacing))
|
|---|
| 665 | stroke_path.attr({stroke: this.tab_text_color, "stroke-width":4 })
|
|---|
| 666 |
|
|---|
| 667 | this.increment_offset(width);
|
|---|
| 668 | } else if (this.has_chord) {
|
|---|
| 669 | var dx = this.string_spacing;
|
|---|
| 670 | var dy = 2 * this.fret_spacing;
|
|---|
| 671 | this.path(this.svg_params(this.current_offset + this.margin_left,
|
|---|
| 672 | this.margin_top + this.fret_spacing + dy,dx,-dy)).attr({stroke: this.tab_text_color, "stroke-width":4 })
|
|---|
| 673 |
|
|---|
| 674 | this.increment_offset( this.margin_left + dx + this.margin_right );
|
|---|
| 675 | }
|
|---|
| 676 | }
|
|---|
| 677 |
|
|---|
| 678 |
|
|---|
| 679 | // draw a bar
|
|---|
| 680 | Raphael.fn.bar = function () {
|
|---|
| 681 |
|
|---|
| 682 | if (this.has_tab) {
|
|---|
| 683 | var width = this.tab_char_width * 2;
|
|---|
| 684 | // extend tab
|
|---|
| 685 | this.tab_extend(width);
|
|---|
| 686 | var bar_stroke=this.path(this.svg_params(this.current_offset + this.tab_char_width, this.tab_top,0, this.tab_height))
|
|---|
| 687 | this.increment_offset(width);
|
|---|
| 688 |
|
|---|
| 689 | } else if (this.has_chord) {
|
|---|
| 690 | var fret_left = this.current_offset + this.margin_left;
|
|---|
| 691 | var bar_stroke=this.path(this.svg_params(this.current_offset + this.margin_left, this.margin_top,0, 0, this.fret_height))
|
|---|
| 692 | this.increment_offset( this.margin_left + this.margin_right );
|
|---|
| 693 | }
|
|---|
| 694 | bar_stroke.attr({stroke: this.color, "stroke-width":1 })
|
|---|
| 695 |
|
|---|
| 696 | }
|
|---|
| 697 |
|
|---|
| 698 |
|
|---|
| 699 | // draw double bar
|
|---|
| 700 | Raphael.fn.doublebar = function () {
|
|---|
| 701 | if (this.has_tab) {
|
|---|
| 702 | var width = this.tab_char_width + 8;
|
|---|
| 703 | // extend tab
|
|---|
| 704 | this.tab_extend(width);
|
|---|
| 705 | // bar
|
|---|
| 706 | var path_1 = this.path(this.svg_params(this.current_offset + this.tab_char_width, this.tab_top,0, this.tab_height))
|
|---|
| 707 | var path_2 = this.path(this.svg_params(this.current_offset + this.tab_char_width + 6, this.tab_top,0, this.tab_height ))
|
|---|
| 708 | this.increment_offset(width);
|
|---|
| 709 |
|
|---|
| 710 | } else if (this.has_chord) {
|
|---|
| 711 | var left = this.current_offset + this.margin_left;
|
|---|
| 712 |
|
|---|
| 713 | var path_1 = this.path(this.svg_params(left, this.margin_top,0, this.fret_height))
|
|---|
| 714 | var path_2 = this.path(this.svg_params(left + 6, this.margin_top,0, this.fret_height))
|
|---|
| 715 |
|
|---|
| 716 | this.increment_offset( this.margin_left + 6 + this.margin_right );
|
|---|
| 717 | }
|
|---|
| 718 | path_1.attr({stroke: this.color, "stroke-width":1 })
|
|---|
| 719 | path_2.attr({stroke: this.color, "stroke-width":4 })
|
|---|
| 720 | }
|
|---|
| 721 |
|
|---|
| 722 |
|
|---|
| 723 | // draw a note in a chord
|
|---|
| 724 | Raphael.fn.chord_note = function (position, string_number, note) {
|
|---|
| 725 | // NB: internal string_number in chords counts from low to high
|
|---|
| 726 | var fret_number = note[0];
|
|---|
| 727 | var fret_left = this.current_offset + this.margin_left;
|
|---|
| 728 |
|
|---|
| 729 | if (fret_number < 0 ) {
|
|---|
| 730 | // muted/not played
|
|---|
| 731 | this.text(fret_left + (string_number - 1) * this.string_spacing, this.margin_top - 8, "x").attr({stroke: this.tab_text_color, "font-size":"9px"});
|
|---|
| 732 | } else if (fret_number == 0 ) {
|
|---|
| 733 | // open
|
|---|
| 734 | this.text(fret_left + (string_number - 1) * this.string_spacing, this.margin_top - 8, "o").attr({stroke: this.tab_text_color, "font-size":"9px"});
|
|---|
| 735 | } else {
|
|---|
| 736 | var fret_dy = (fret_number - position - 0.5) * this.fret_spacing;
|
|---|
| 737 | //var circle =
|
|---|
| 738 | this.circle(
|
|---|
| 739 | fret_left + (string_number - 1) * this.string_spacing,
|
|---|
| 740 | this.margin_top + fret_dy, this.note_radius).attr({stroke: this.color, fill: this.color});
|
|---|
| 741 | if ( ! (note[1] === undefined) ) {
|
|---|
| 742 | //console.log("*** fret_dy = " + fret_dy);
|
|---|
| 743 | this.text( fret_left + (string_number - 1) * this.string_spacing,
|
|---|
| 744 | this.margin_top + fret_dy, note[1] ).attr({fill: this.fingering_text_color, "font-size":"12px"});
|
|---|
| 745 | }
|
|---|
| 746 | }
|
|---|
| 747 |
|
|---|
| 748 | if ( this.has_tab && fret_number >= 0 ) {
|
|---|
| 749 | this.draw_tab_note( (this.strings_drawn - string_number + 1), fret_number, this.margin_left + this.string_spacing * 2.5 );
|
|---|
| 750 | }
|
|---|
| 751 | }
|
|---|
| 752 |
|
|---|
| 753 |
|
|---|
| 754 | // extend the tab drawing area
|
|---|
| 755 | Raphael.fn.tab_extend = function (width) {
|
|---|
| 756 | if (this.has_tab == false) return;
|
|---|
| 757 | for (var i = 0; i < this.strings_drawn; i++ ) {
|
|---|
| 758 | this.path(this.svg_params(this.current_offset, this.tab_top + (i * this.tab_spacing),width, 0)).attr({stroke: this.color})
|
|---|
| 759 | }
|
|---|
| 760 | }
|
|---|
| 761 |
|
|---|
| 762 |
|
|---|
| 763 | // start the tab
|
|---|
| 764 | Raphael.fn.tab_start = function () {
|
|---|
| 765 | if (this.has_tab == false) return;
|
|---|
| 766 | var width = this.tab_char_width * 3;
|
|---|
| 767 | // start bar
|
|---|
| 768 | this.path(this.svg_params(this.current_offset, this.tab_top,0, this.tab_height)).attr({stroke: this.color, "stroke-width":1 })
|
|---|
| 769 |
|
|---|
| 770 | // extend tab
|
|---|
| 771 | this.tab_extend(width);
|
|---|
| 772 |
|
|---|
| 773 | //write TAB
|
|---|
| 774 | this.text(this.current_offset + this.tab_char_width, this.tab_top + this.tab_spacing * 1.5, "T").attr({stroke: this.color, "font-size":"14px"});
|
|---|
| 775 | this.text(this.current_offset + this.tab_char_width, this.tab_top + this.tab_spacing * 2.5, "A").attr({stroke: this.color, "font-size":"14px"});
|
|---|
| 776 | this.text(this.current_offset + this.tab_char_width, this.tab_top + this.tab_spacing * 3.5, "B").attr({stroke: this.color, "font-size":"14px"});
|
|---|
| 777 | this.increment_offset(width);
|
|---|
| 778 |
|
|---|
| 779 | }
|
|---|
| 780 |
|
|---|
| 781 |
|
|---|
| 782 | // draw an individual note in the tab
|
|---|
| 783 | Raphael.fn.draw_tab_note = function (string_number, token, left_offset) {
|
|---|
| 784 | // NB: internal string_number in tab counts from high to low
|
|---|
| 785 | this.text(this.current_offset + left_offset,
|
|---|
| 786 | this.tab_top + this.tab_spacing * (string_number - 1),
|
|---|
| 787 | token).attr({fill: this.color, "font-size":"16px"});
|
|---|
| 788 | }
|
|---|
| 789 |
|
|---|
| 790 | // gets string number from token $[1-6|EADGBe]
|
|---|
| 791 | Raphael.fn.get_string_number = function (token) {
|
|---|
| 792 | var string_number = null;
|
|---|
| 793 | if ( token.match( /^\$[1-6]/ ) != null ) {
|
|---|
| 794 | string_number = token.substr(1,1);
|
|---|
| 795 | } else if ( token.match( /^\$[EADGBe]/ ) != null ) {
|
|---|
| 796 | string_number = 6 - "EADGBe".indexOf(token.substr(1,1));
|
|---|
| 797 | }
|
|---|
| 798 | return string_number;
|
|---|
| 799 | }
|
|---|
| 800 |
|
|---|
| 801 |
|
|---|
| 802 | // identify if full chord of notes specified i.e. A:1 = X02220 or C:4 = 8.10.10.9.8.8
|
|---|
| 803 | // returns:
|
|---|
| 804 | // false = not a full chord representation
|
|---|
| 805 | // array = array of notes (low to high)
|
|---|
| 806 | Raphael.fn.get_fullchord_notes = function (token) {
|
|---|
| 807 | var rc = false;
|
|---|
| 808 | if ( token.match( /[^\.xX0-9]/ ) != null ) {
|
|---|
| 809 | rc = false;
|
|---|
| 810 | } else {
|
|---|
| 811 | if ( token.match( /\./ ) != null ) {
|
|---|
| 812 | rc = token.split('.');
|
|---|
| 813 | } else {
|
|---|
| 814 | rc = token.split('');
|
|---|
| 815 | }
|
|---|
| 816 | if (rc.length != 6) rc = false;
|
|---|
| 817 | }
|
|---|
| 818 | return rc;
|
|---|
| 819 | }
|
|---|
| 820 |
|
|---|
| 821 |
|
|---|
| 822 | // draw a token on the tab
|
|---|
| 823 | Raphael.fn.tab_note = function (token) {
|
|---|
| 824 | if (this.has_tab == false) return;
|
|---|
| 825 |
|
|---|
| 826 | if ( token.match( /\$/ ) != null ) { // contains a string specifier
|
|---|
| 827 | if ( token.match( /\./ ) != null ) { // is a multi-string specifier
|
|---|
| 828 | var parts = token.split(".");
|
|---|
| 829 | var width = 2;
|
|---|
| 830 | for (var i = 0; i < parts.length ; i++) { // get the max length of the multi-string specifiers
|
|---|
| 831 | if ( parts[i].length > width ) width = parts[i].length;
|
|---|
| 832 | }
|
|---|
| 833 | width *= this.tab_char_width + 1;
|
|---|
| 834 | this.tab_extend( width );
|
|---|
| 835 | for (var i = 0; i < parts.length ; i++) {
|
|---|
| 836 | var part = parts[i];
|
|---|
| 837 | var string_number = this.get_string_number(part);
|
|---|
| 838 | if (string_number != null) {
|
|---|
| 839 | this.tab_current_string = string_number;
|
|---|
| 840 | } else if ( this.tab_current_string > 0 ) {
|
|---|
| 841 | this.draw_tab_note( this.tab_current_string, part, width * 0.5 );
|
|---|
| 842 | }
|
|---|
| 843 | }
|
|---|
| 844 | this.increment_offset( width );
|
|---|
| 845 |
|
|---|
| 846 | } else { // just a string setting
|
|---|
| 847 | this.tab_current_string = this.get_string_number(token);
|
|---|
| 848 | }
|
|---|
| 849 | } else {
|
|---|
| 850 | var fullchord_notes = this.get_fullchord_notes(token);
|
|---|
| 851 | if ( fullchord_notes ) {
|
|---|
| 852 | var max_chars = fullchord_notes.max_chars();
|
|---|
| 853 | var width = this.tab_char_width * (max_chars + 2);
|
|---|
| 854 | this.tab_extend( width );
|
|---|
| 855 | for (var i = 0; i < fullchord_notes.length ; i++) {
|
|---|
| 856 | this.draw_tab_note( 6 - i, fullchord_notes[i], width * 0.5 );
|
|---|
| 857 | }
|
|---|
| 858 | this.increment_offset( width );
|
|---|
| 859 | } else if ( this.tab_current_string > 0 ) { // else draw literal, but only if a current string selected
|
|---|
| 860 | var width = this.tab_char_width * ( token.length + 2 );
|
|---|
| 861 | this.tab_extend( width );
|
|---|
| 862 | this.draw_tab_note( this.tab_current_string, token, width * 0.5 );
|
|---|
| 863 | this.increment_offset( width );
|
|---|
| 864 | }
|
|---|
| 865 | }
|
|---|
| 866 | }
|
|---|
| 867 |
|
|---|
| 868 |
|
|---|
| 869 | // main drawing routine entry point: to render a token - chord or tab
|
|---|
| 870 | Raphael.fn.render_token = function (token) {
|
|---|
| 871 |
|
|---|
| 872 | var c = new jtabChord(token);
|
|---|
| 873 |
|
|---|
| 874 | if ( c.isValid ) { // draw chord
|
|---|
| 875 | var chord = c.chordArray;
|
|---|
| 876 | // this.chord_fretboard(chord[0], c.fullChordName );
|
|---|
| 877 | this.chord_fretboard(chord[0], c.chordName );
|
|---|
| 878 | for (var i = 1; i < chord.length ; i++) {
|
|---|
| 879 | this.chord_note(chord[0], i, chord[i]);
|
|---|
| 880 | }
|
|---|
| 881 | this.increment_offset();
|
|---|
| 882 |
|
|---|
| 883 | } else {
|
|---|
| 884 | if (token == "/" ) {
|
|---|
| 885 | this.stroke();
|
|---|
| 886 | } else if (token == "|" ) {
|
|---|
| 887 | this.bar();
|
|---|
| 888 | } else if (token == "||" ) {
|
|---|
| 889 | this.doublebar();
|
|---|
| 890 | } else if ( this.has_tab ) {
|
|---|
| 891 | this.tab_note( token );
|
|---|
| 892 | }
|
|---|
| 893 |
|
|---|
| 894 | }
|
|---|
| 895 | }
|
|---|
| 896 |
|
|---|
| 897 |
|
|---|
| 898 | //
|
|---|
| 899 | // add jtab class methods
|
|---|
| 900 | //
|
|---|
| 901 |
|
|---|
| 902 |
|
|---|
| 903 | // determine nature of the token stream
|
|---|
| 904 | // returns:
|
|---|
| 905 | // 1 : chord and tab present
|
|---|
| 906 | // 2 : chord only
|
|---|
| 907 | // 3 : tab only
|
|---|
| 908 | // 0 : unknown
|
|---|
| 909 | jtab.characterize = function (notation) {
|
|---|
| 910 | var tabtype = 0;
|
|---|
| 911 |
|
|---|
| 912 | if(notation == undefined){
|
|---|
| 913 | notation = '';
|
|---|
| 914 | }
|
|---|
| 915 |
|
|---|
| 916 | var gotCustomChord = ( notation.match( /[\%]([0-4|T|X])?/ ) != undefined );
|
|---|
| 917 | var gotNormalChord = ( notation.match( /[^\$][A-G]|^[A-G]/ ) != undefined );
|
|---|
| 918 | var gotTab = ( ( notation.match( /\$/ ) != null ) || ( notation.match( /[^\%][0-9|Xx|\.]{6,}/ ) != null ) );
|
|---|
| 919 | var gotChord = gotNormalChord || gotCustomChord ;
|
|---|
| 920 |
|
|---|
| 921 | // set defaults - apply scaling here (TODO)
|
|---|
| 922 | Raphael.fn.current_offset = Raphael.fn.margin_left;
|
|---|
| 923 | if ( gotChord && gotTab ) { // chord and tab
|
|---|
| 924 | tabtype = 1;
|
|---|
| 925 | Raphael.fn.has_chord = true;
|
|---|
| 926 | Raphael.fn.has_tab = true;
|
|---|
| 927 | Raphael.fn.tab_top = Raphael.fn.chord_height + Raphael.fn.tab_margin_top;
|
|---|
| 928 | Raphael.fn.total_height = Raphael.fn.tab_top + Raphael.fn.tab_height + Raphael.fn.margin_bottom;
|
|---|
| 929 | } else if ( gotChord ) { // chord only
|
|---|
| 930 | tabtype = 2;
|
|---|
| 931 | Raphael.fn.has_chord = true;
|
|---|
| 932 | Raphael.fn.has_tab = false;
|
|---|
| 933 | Raphael.fn.tab_top = Raphael.fn.chord_height + Raphael.fn.tab_margin_top;
|
|---|
| 934 | Raphael.fn.total_height = Raphael.fn.chord_height;
|
|---|
| 935 | } else if ( gotTab ) { // tab only
|
|---|
| 936 | tabtype = 3;
|
|---|
| 937 | Raphael.fn.has_chord = false;
|
|---|
| 938 | Raphael.fn.has_tab = true;
|
|---|
| 939 | Raphael.fn.tab_top = Raphael.fn.tab_margin_top;
|
|---|
| 940 | Raphael.fn.total_height = Raphael.fn.tab_top + Raphael.fn.tab_height + Raphael.fn.margin_bottom;
|
|---|
| 941 | }
|
|---|
| 942 | Raphael.fn.tabtype = tabtype;
|
|---|
| 943 | return tabtype;
|
|---|
| 944 | }
|
|---|
| 945 |
|
|---|
| 946 | // utility function to get calculated style based on given element
|
|---|
| 947 | jtab.getStyle = function (element, style) {
|
|---|
| 948 | var value = element.css(style);
|
|---|
| 949 | if(!value) {
|
|---|
| 950 | if(document.defaultView) {
|
|---|
| 951 | value = document.defaultView.getComputedStyle(element[0], "").getPropertyValue(style);
|
|---|
| 952 | } else if(element.currentStyle) {
|
|---|
| 953 | value = element.currentStyle[style];
|
|---|
| 954 | }
|
|---|
| 955 | }
|
|---|
| 956 |
|
|---|
| 957 | return value;
|
|---|
| 958 | }
|
|---|
| 959 |
|
|---|
| 960 | // set color pallette for the jtab rendering
|
|---|
| 961 | jtab.setPalette = function (element) {
|
|---|
| 962 | var fgColor = jtab.getStyle( jQuery(element), 'color' );
|
|---|
| 963 | if (!fgColor) {
|
|---|
| 964 | fgColor = '#000';
|
|---|
| 965 | }
|
|---|
| 966 | Raphael.fn.color = fgColor;
|
|---|
| 967 | Raphael.fn.tab_text_color = fgColor;
|
|---|
| 968 |
|
|---|
| 969 | bgColor = jtab.getStyle( jQuery(element), 'background-color' );
|
|---|
| 970 | if (!bgColor || (bgColor == 'transparent') || (bgColor == 'rgba(0, 0, 0, 0)')) {
|
|---|
| 971 | bgColor = '#fff';
|
|---|
| 972 | }
|
|---|
| 973 | Raphael.fn.fingering_text_color = bgColor;
|
|---|
| 974 | }
|
|---|
| 975 |
|
|---|
| 976 | // Render the tab for a given +element+.
|
|---|
| 977 | // +element+ is a DOM node
|
|---|
| 978 | // +notation_text+ is the optional notation to render (if not specified, +element+ text content will be used)
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| 979 | // After rendering, the +element+ will be given the additional "rendered" class.
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| 980 | jtab.render = function (element,notation_text) {
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| 981 |
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| 982 | var notation = notation_text || jQuery(element).text() || '';
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| 983 |
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| 984 | var tabtype = jtab.characterize( notation );
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| 985 | if (tabtype == 0 ) return;
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| 986 |
|
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| 987 | var rndID="builder_"+jtab.element_count++;
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| 988 |
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| 989 | // add the Raphael canvas in its own DIV. this gets around an IE6 issue with not removing previous renderings
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| 990 | var canvas_holder = jQuery('<div id="'+rndID+'"></div>').css({height: Raphael.fn.total_height});
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| 991 |
|
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| 992 | jQuery(element).html(canvas_holder);
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| 993 | jtab.setPalette(element);
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| 994 | canvas = Raphael(rndID, 80, Raphael.fn.total_height );
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| 995 | canvas.tab_start();
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| 996 |
|
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| 997 | var tokens = notation.split(/\s/);
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| 998 | for(var i = 0; i < tokens.length; i++) {
|
|---|
| 999 | canvas.render_token(tokens[i]);
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|---|
| 1000 | }
|
|---|
| 1001 | jQuery(element).addClass('rendered');
|
|---|
| 1002 | }
|
|---|
| 1003 |
|
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| 1004 | // Render all nodes with class 'jtab'.
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|---|
| 1005 | // +within_scope+ is an optional selector that will restrict rendering to only those nodes contained within.
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|---|
| 1006 | jtab.renderimplicit = function(within_scope) {
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| 1007 | jQuery('.jtab',within_scope).not('.rendered').each( function(name, index) { jtab.render(this); } );
|
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| 1008 | }
|
|---|
| 1009 |
|
|---|
| 1010 | // initialize jtab library.
|
|---|
| 1011 | // Sets up to run implicit rendering on window.onload
|
|---|
| 1012 | jtab.init = function() {
|
|---|
| 1013 | var oldonload = window.onload;
|
|---|
| 1014 | window.onload = function() {
|
|---|
| 1015 | if (typeof oldonload == 'function') oldonload();
|
|---|
| 1016 | jtab.renderimplicit(null);
|
|---|
| 1017 | }
|
|---|
| 1018 | }
|
|---|
| 1019 |
|
|---|
| 1020 | // bootstrap jtab when jQuery is ready
|
|---|
| 1021 | jQuery(document).ready(function($) {
|
|---|
| 1022 | jtab.init();
|
|---|
| 1023 | });
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