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1 /** |
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2 * Attempt to re-color SVG icons used in the admin menu or the toolbar |
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3 * |
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4 */ |
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5 |
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6 window.wp = window.wp || {}; |
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7 |
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8 wp.svgPainter = ( function( $, window, document, undefined ) { |
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9 'use strict'; |
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10 var selector, base64, painter, |
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11 colorscheme = {}, |
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12 elements = []; |
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13 |
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14 $(document).ready( function() { |
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15 // detection for browser SVG capability |
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16 if ( document.implementation.hasFeature( 'http://www.w3.org/TR/SVG11/feature#Image', '1.1' ) ) { |
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17 $( document.body ).removeClass( 'no-svg' ).addClass( 'svg' ); |
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18 wp.svgPainter.init(); |
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19 } |
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20 }); |
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21 |
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22 /** |
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23 * Needed only for IE9 |
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24 * |
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25 * Based on jquery.base64.js 0.0.3 - https://github.com/yckart/jquery.base64.js |
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26 * |
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27 * Based on: https://gist.github.com/Yaffle/1284012 |
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28 * |
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29 * Copyright (c) 2012 Yannick Albert (http://yckart.com) |
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30 * Licensed under the MIT license |
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31 * http://www.opensource.org/licenses/mit-license.php |
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32 */ |
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33 base64 = ( function() { |
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34 var c, |
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35 b64 = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/', |
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36 a256 = '', |
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37 r64 = [256], |
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38 r256 = [256], |
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39 i = 0; |
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40 |
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41 function init() { |
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42 while( i < 256 ) { |
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43 c = String.fromCharCode(i); |
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44 a256 += c; |
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45 r256[i] = i; |
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46 r64[i] = b64.indexOf(c); |
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47 ++i; |
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48 } |
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49 } |
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50 |
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51 function code( s, discard, alpha, beta, w1, w2 ) { |
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52 var tmp, length, |
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53 buffer = 0, |
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54 i = 0, |
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55 result = '', |
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56 bitsInBuffer = 0; |
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57 |
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58 s = String(s); |
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59 length = s.length; |
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60 |
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61 while( i < length ) { |
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62 c = s.charCodeAt(i); |
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63 c = c < 256 ? alpha[c] : -1; |
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64 |
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65 buffer = ( buffer << w1 ) + c; |
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66 bitsInBuffer += w1; |
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67 |
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68 while( bitsInBuffer >= w2 ) { |
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69 bitsInBuffer -= w2; |
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70 tmp = buffer >> bitsInBuffer; |
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71 result += beta.charAt(tmp); |
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72 buffer ^= tmp << bitsInBuffer; |
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73 } |
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74 ++i; |
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75 } |
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76 |
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77 if ( ! discard && bitsInBuffer > 0 ) { |
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78 result += beta.charAt( buffer << ( w2 - bitsInBuffer ) ); |
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79 } |
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80 |
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81 return result; |
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82 } |
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83 |
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84 function btoa( plain ) { |
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85 if ( ! c ) { |
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86 init(); |
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87 } |
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88 |
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89 plain = code( plain, false, r256, b64, 8, 6 ); |
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90 return plain + '===='.slice( ( plain.length % 4 ) || 4 ); |
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91 } |
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92 |
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93 function atob( coded ) { |
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94 var i; |
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95 |
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96 if ( ! c ) { |
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97 init(); |
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98 } |
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99 |
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100 coded = coded.replace( /[^A-Za-z0-9\+\/\=]/g, '' ); |
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101 coded = String(coded).split('='); |
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102 i = coded.length; |
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103 |
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104 do { |
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105 --i; |
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106 coded[i] = code( coded[i], true, r64, a256, 6, 8 ); |
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107 } while ( i > 0 ); |
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108 |
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109 coded = coded.join(''); |
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110 return coded; |
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111 } |
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112 |
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113 return { |
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114 atob: atob, |
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115 btoa: btoa |
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116 }; |
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117 })(); |
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118 |
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119 return { |
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120 init: function() { |
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121 painter = this; |
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122 selector = $( '#adminmenu .wp-menu-image, #wpadminbar .ab-item' ); |
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123 |
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124 this.setColors(); |
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125 this.findElements(); |
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126 this.paint(); |
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127 }, |
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128 |
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129 setColors: function( colors ) { |
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130 if ( typeof colors === 'undefined' && typeof window._wpColorScheme !== 'undefined' ) { |
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131 colors = window._wpColorScheme; |
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132 } |
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133 |
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134 if ( colors && colors.icons && colors.icons.base && colors.icons.current && colors.icons.focus ) { |
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135 colorscheme = colors.icons; |
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136 } |
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137 }, |
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138 |
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139 findElements: function() { |
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140 selector.each( function() { |
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141 var $this = $(this), bgImage = $this.css( 'background-image' ); |
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142 |
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143 if ( bgImage && bgImage.indexOf( 'data:image/svg+xml;base64' ) != -1 ) { |
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144 elements.push( $this ); |
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145 } |
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146 }); |
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147 }, |
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148 |
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149 paint: function() { |
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150 // loop through all elements |
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151 $.each( elements, function( index, $element ) { |
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152 var $menuitem = $element.parent().parent(); |
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153 |
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154 if ( $menuitem.hasClass( 'current' ) || $menuitem.hasClass( 'wp-has-current-submenu' ) ) { |
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155 // paint icon in 'current' color |
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156 painter.paintElement( $element, 'current' ); |
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157 } else { |
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158 // paint icon in base color |
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159 painter.paintElement( $element, 'base' ); |
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160 |
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161 // set hover callbacks |
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162 $menuitem.hover( |
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163 function() { |
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164 painter.paintElement( $element, 'focus' ); |
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165 }, |
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166 function() { |
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167 // Match the delay from hoverIntent |
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168 window.setTimeout( function() { |
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169 painter.paintElement( $element, 'base' ); |
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170 }, 100 ); |
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171 } |
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172 ); |
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173 } |
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174 }); |
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175 }, |
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176 |
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177 paintElement: function( $element, colorType ) { |
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178 var xml, encoded, color; |
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179 |
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180 if ( ! colorType || ! colorscheme.hasOwnProperty( colorType ) ) { |
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181 return; |
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182 } |
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183 |
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184 color = colorscheme[ colorType ]; |
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185 |
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186 // only accept hex colors: #101 or #101010 |
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187 if ( ! color.match( /^(#[0-9a-f]{3}|#[0-9a-f]{6})$/i ) ) { |
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188 return; |
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189 } |
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190 |
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191 xml = $element.data( 'wp-ui-svg-' + color ); |
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192 |
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193 if ( xml === 'none' ) { |
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194 return; |
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195 } |
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196 |
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197 if ( ! xml ) { |
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198 encoded = $element.css( 'background-image' ).match( /.+data:image\/svg\+xml;base64,([A-Za-z0-9\+\/\=]+)/ ); |
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199 |
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200 if ( ! encoded || ! encoded[1] ) { |
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201 $element.data( 'wp-ui-svg-' + color, 'none' ); |
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202 return; |
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203 } |
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204 |
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205 try { |
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206 if ( 'atob' in window ) { |
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207 xml = window.atob( encoded[1] ); |
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208 } else { |
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209 xml = base64.atob( encoded[1] ); |
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210 } |
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211 } catch ( error ) {} |
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212 |
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213 if ( xml ) { |
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214 // replace `fill` attributes |
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215 xml = xml.replace( /fill="(.+?)"/g, 'fill="' + color + '"'); |
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216 |
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217 // replace `style` attributes |
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218 xml = xml.replace( /style="(.+?)"/g, 'style="fill:' + color + '"'); |
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219 |
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220 // replace `fill` properties in `<style>` tags |
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221 xml = xml.replace( /fill:.*?;/g, 'fill: ' + color + ';'); |
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222 |
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223 if ( 'btoa' in window ) { |
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224 xml = window.btoa( xml ); |
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225 } else { |
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226 xml = base64.btoa( xml ); |
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227 } |
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228 |
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229 $element.data( 'wp-ui-svg-' + color, xml ); |
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230 } else { |
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231 $element.data( 'wp-ui-svg-' + color, 'none' ); |
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232 return; |
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233 } |
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234 } |
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235 |
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236 $element.attr( 'style', 'background-image: url("data:image/svg+xml;base64,' + xml + '") !important;' ); |
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237 } |
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238 }; |
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239 |
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240 })( jQuery, window, document ); |