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1 var imageEdit; |
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2 |
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3 (function($) { |
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4 imageEdit = { |
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5 iasapi : {}, |
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6 hold : {}, |
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7 postid : '', |
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8 |
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9 intval : function(f) { |
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10 return f | 0; |
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11 }, |
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12 |
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13 setDisabled : function(el, s) { |
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14 if ( s ) { |
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15 el.removeClass('disabled'); |
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16 $('input', el).removeAttr('disabled'); |
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17 } else { |
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18 el.addClass('disabled'); |
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19 $('input', el).attr('disabled', 'disabled'); |
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20 } |
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21 }, |
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22 |
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23 init : function(postid, nonce) { |
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24 var t = this, old = $('#image-editor-' + t.postid), |
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25 x = t.intval( $('#imgedit-x-' + postid).val() ), |
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26 y = t.intval( $('#imgedit-y-' + postid).val() ); |
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27 |
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28 if ( t.postid != postid && old.length ) |
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29 t.close(t.postid); |
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30 |
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31 t.hold['w'] = t.hold['ow'] = x; |
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32 t.hold['h'] = t.hold['oh'] = y; |
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33 t.hold['xy_ratio'] = x / y; |
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34 t.hold['sizer'] = parseFloat( $('#imgedit-sizer-' + postid).val() ); |
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35 t.postid = postid; |
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36 $('#imgedit-response-' + postid).empty(); |
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37 |
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38 $('input[type="text"]', '#imgedit-panel-' + postid).keypress(function(e) { |
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39 var k = e.keyCode; |
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40 |
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41 if ( 36 < k && k < 41 ) |
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42 $(this).blur() |
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43 |
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44 if ( 13 == k ) { |
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45 e.preventDefault(); |
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46 e.stopPropagation(); |
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47 return false; |
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48 } |
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49 }); |
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50 }, |
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51 |
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52 toggleEditor : function(postid, toggle) { |
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53 var wait = $('#imgedit-wait-' + postid); |
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54 |
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55 if ( toggle ) |
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56 wait.height( $('#imgedit-panel-' + postid).height() ).fadeIn('fast'); |
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57 else |
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58 wait.fadeOut('fast'); |
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59 }, |
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60 |
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61 toggleHelp : function(el) { |
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62 $(el).siblings('.imgedit-help').slideToggle('fast'); |
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63 return false; |
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64 }, |
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65 |
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66 getTarget : function(postid) { |
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67 return $('input[name=imgedit-target-' + postid + ']:checked', '#imgedit-save-target-' + postid).val() || 'full'; |
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68 }, |
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69 |
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70 scaleChanged : function(postid, x) { |
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71 var w = $('#imgedit-scale-width-' + postid), h = $('#imgedit-scale-height-' + postid), |
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72 warn = $('#imgedit-scale-warn-' + postid), w1 = '', h1 = ''; |
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73 |
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74 if ( x ) { |
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75 h1 = (w.val() != '') ? this.intval( w.val() / this.hold['xy_ratio'] ) : ''; |
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76 h.val( h1 ); |
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77 } else { |
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78 w1 = (h.val() != '') ? this.intval( h.val() * this.hold['xy_ratio'] ) : ''; |
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79 w.val( w1 ); |
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80 } |
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81 |
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82 if ( ( h1 && h1 > this.hold['oh'] ) || ( w1 && w1 > this.hold['ow'] ) ) |
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83 warn.css('visibility', 'visible'); |
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84 else |
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85 warn.css('visibility', 'hidden'); |
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86 }, |
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87 |
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88 getSelRatio : function(postid) { |
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89 var x = this.hold['w'], y = this.hold['h'], |
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90 X = this.intval( $('#imgedit-crop-width-' + postid).val() ), |
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91 Y = this.intval( $('#imgedit-crop-height-' + postid).val() ); |
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92 |
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93 if ( X && Y ) |
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94 return X + ':' + Y; |
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95 |
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96 if ( x && y ) |
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97 return x + ':' + y; |
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98 |
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99 return '1:1'; |
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100 }, |
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101 |
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102 filterHistory : function(postid, setSize) { |
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103 // apply undo state to history |
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104 var history = $('#imgedit-history-' + postid).val(), pop, n, o, i, op = []; |
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105 |
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106 if ( history != '' ) { |
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107 history = JSON.parse(history); |
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108 pop = this.intval( $('#imgedit-undone-' + postid).val() ); |
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109 if ( pop > 0 ) { |
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110 while ( pop > 0 ) { |
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111 history.pop(); |
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112 pop--; |
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113 } |
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114 } |
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115 |
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116 if ( setSize ) { |
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117 if ( !history.length ) { |
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118 this.hold['w'] = this.hold['ow']; |
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119 this.hold['h'] = this.hold['oh']; |
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120 return ''; |
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121 } |
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122 |
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123 // restore |
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124 o = history[history.length - 1]; |
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125 o = o.c || o.r || o.f || false; |
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126 |
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127 if ( o ) { |
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128 this.hold['w'] = o.fw; |
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129 this.hold['h'] = o.fh; |
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130 } |
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131 } |
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132 |
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133 // filter the values |
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134 for ( n in history ) { |
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135 i = history[n]; |
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136 if ( i.hasOwnProperty('c') ) { |
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137 op[n] = { 'c': { 'x': i.c.x, 'y': i.c.y, 'w': i.c.w, 'h': i.c.h } }; |
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138 } else if ( i.hasOwnProperty('r') ) { |
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139 op[n] = { 'r': i.r.r }; |
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140 } else if ( i.hasOwnProperty('f') ) { |
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141 op[n] = { 'f': i.f.f }; |
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142 } |
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143 } |
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144 return JSON.stringify(op); |
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145 } |
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146 return ''; |
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147 }, |
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148 |
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149 refreshEditor : function(postid, nonce, callback) { |
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150 var t = this, data, img; |
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151 |
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152 t.toggleEditor(postid, 1); |
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153 data = { |
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154 'action': 'imgedit-preview', |
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155 '_ajax_nonce': nonce, |
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156 'postid': postid, |
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157 'history': t.filterHistory(postid, 1), |
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158 'rand': t.intval(Math.random() * 1000000) |
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159 }; |
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160 |
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161 img = $('<img id="image-preview-' + postid + '" />'); |
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162 img.load( function() { |
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163 var max1, max2, parent = $('#imgedit-crop-' + postid), t = imageEdit; |
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164 |
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165 parent.empty().append(img); |
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166 |
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167 // w, h are the new full size dims |
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168 max1 = Math.max( t.hold.w, t.hold.h ); |
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169 max2 = Math.max( $(img).width(), $(img).height() ); |
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170 t.hold['sizer'] = max1 > max2 ? max2 / max1 : 1; |
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171 |
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172 t.initCrop(postid, img, parent); |
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173 t.setCropSelection(postid, 0); |
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174 |
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175 if ( (typeof callback != "unknown") && callback != null ) |
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176 callback(); |
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177 |
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178 if ( $('#imgedit-history-' + postid).val() && $('#imgedit-undone-' + postid).val() == 0 ) |
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179 $('input.imgedit-submit-btn', '#imgedit-panel-' + postid).removeAttr('disabled'); |
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180 else |
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181 $('input.imgedit-submit-btn', '#imgedit-panel-' + postid).attr('disabled', 'disabled'); |
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182 |
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183 t.toggleEditor(postid, 0); |
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184 }).attr('src', ajaxurl + '?' + $.param(data)); |
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185 }, |
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186 |
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187 action : function(postid, nonce, action) { |
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188 var t = this, data, w, h, fw, fh; |
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189 |
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190 if ( t.notsaved(postid) ) |
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191 return false; |
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192 |
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193 data = { |
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194 'action': 'image-editor', |
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195 '_ajax_nonce': nonce, |
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196 'postid': postid |
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197 }; |
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198 |
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199 if ( 'scale' == action ) { |
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200 w = $('#imgedit-scale-width-' + postid), |
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201 h = $('#imgedit-scale-height-' + postid), |
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202 fw = t.intval(w.val()), |
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203 fh = t.intval(h.val()); |
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204 |
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205 if ( fw < 1 ) { |
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206 w.focus(); |
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207 return false;; |
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208 } else if ( fh < 1 ) { |
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209 h.focus(); |
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210 return false;; |
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211 } |
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212 |
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213 if ( fw == t.hold.ow || fh == t.hold.oh ) |
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214 return false; |
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215 |
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216 data['do'] = 'scale'; |
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217 data['fwidth'] = fw; |
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218 data['fheight'] = fh; |
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219 } else if ( 'restore' == action ) { |
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220 data['do'] = 'restore'; |
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221 } else { |
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222 return false; |
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223 } |
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224 |
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225 t.toggleEditor(postid, 1); |
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226 $.post(ajaxurl, data, function(r) { |
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227 $('#image-editor-' + postid).empty().append(r); |
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228 t.toggleEditor(postid, 0); |
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229 }); |
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230 }, |
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231 |
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232 save : function(postid, nonce) { |
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233 var data, target = this.getTarget(postid), history = this.filterHistory(postid, 0); |
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234 |
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235 if ( '' == history ) |
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236 return false; |
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237 |
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238 this.toggleEditor(postid, 1); |
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239 data = { |
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240 'action': 'image-editor', |
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241 '_ajax_nonce': nonce, |
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242 'postid': postid, |
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243 'history': history, |
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244 'target': target, |
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245 'do': 'save' |
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246 }; |
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247 |
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248 $.post(ajaxurl, data, function(r) { |
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249 var ret = JSON.parse(r); |
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250 |
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251 if ( ret.error ) { |
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252 $('#imgedit-response-' + postid).html('<div class="error"><p>' + ret.error + '</p><div>'); |
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253 imageEdit.close(postid); |
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254 return; |
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255 } |
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256 |
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257 if ( ret.fw && ret.fh ) |
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258 $('#media-dims-' + postid).html( ret.fw + ' × ' + ret.fh ); |
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259 |
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260 if ( ret.thumbnail ) |
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261 $('.thumbnail', '#thumbnail-head-' + postid).attr('src', ''+ret.thumbnail); |
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262 |
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263 if ( ret.msg ) |
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264 $('#imgedit-response-' + postid).html('<div class="updated"><p>' + ret.msg + '</p></div>'); |
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265 |
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266 imageEdit.close(postid); |
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267 }); |
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268 }, |
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269 |
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270 open : function(postid, nonce) { |
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271 var data, elem = $('#image-editor-' + postid), head = $('#media-head-' + postid), |
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272 btn = $('#imgedit-open-btn-' + postid), spin = btn.siblings('img'); |
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273 |
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274 btn.attr('disabled', 'disabled'); |
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275 spin.css('visibility', 'visible'); |
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276 |
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277 data = { |
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278 'action': 'image-editor', |
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279 '_ajax_nonce': nonce, |
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280 'postid': postid, |
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281 'do': 'open' |
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282 }; |
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283 |
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284 elem.load(ajaxurl, data, function() { |
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285 elem.fadeIn('fast'); |
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286 head.fadeOut('fast', function(){ |
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287 btn.removeAttr('disabled'); |
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288 spin.css('visibility', 'hidden'); |
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289 }); |
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290 }); |
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291 }, |
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292 |
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293 imgLoaded : function(postid) { |
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294 var img = $('#image-preview-' + postid), parent = $('#imgedit-crop-' + postid); |
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295 |
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296 this.initCrop(postid, img, parent); |
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297 this.setCropSelection(postid, 0); |
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298 this.toggleEditor(postid, 0); |
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299 }, |
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300 |
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301 initCrop : function(postid, image, parent) { |
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302 var t = this, selW = $('#imgedit-sel-width-' + postid), |
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303 selH = $('#imgedit-sel-height-' + postid); |
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304 |
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305 t.iasapi = $(image).imgAreaSelect({ |
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306 parent: parent, |
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307 instance: true, |
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308 handles: true, |
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309 keys: true, |
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310 minWidth: 3, |
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311 minHeight: 3, |
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312 |
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313 onInit: function(img, c) { |
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314 parent.children().mousedown(function(e){ |
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315 var ratio = false, sel, defRatio; |
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316 |
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317 if ( e.shiftKey ) { |
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318 sel = t.iasapi.getSelection(); |
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319 defRatio = t.getSelRatio(postid); |
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320 ratio = ( sel && sel.width && sel.height ) ? sel.width + ':' + sel.height : defRatio; |
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321 } |
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322 |
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323 t.iasapi.setOptions({ |
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324 aspectRatio: ratio |
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325 }); |
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326 }); |
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327 }, |
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328 |
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329 onSelectStart: function(img, c) { |
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330 imageEdit.setDisabled($('#imgedit-crop-sel-' + postid), 1); |
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331 }, |
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332 |
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333 onSelectEnd: function(img, c) { |
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334 imageEdit.setCropSelection(postid, c); |
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335 }, |
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336 |
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337 onSelectChange: function(img, c) { |
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338 var sizer = imageEdit.hold.sizer; |
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339 selW.val( imageEdit.round(c.width / sizer) ); |
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340 selH.val( imageEdit.round(c.height / sizer) ); |
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341 } |
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342 }); |
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343 }, |
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344 |
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345 setCropSelection : function(postid, c) { |
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346 var sel, min = $('#imgedit-minthumb-' + postid).val() || '128:128', |
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347 sizer = this.hold['sizer']; |
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348 min = min.split(':'); |
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349 c = c || 0; |
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350 |
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351 if ( !c || ( c.width < 3 && c.height < 3 ) ) { |
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352 this.setDisabled($('.imgedit-crop', '#imgedit-panel-' + postid), 0); |
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353 this.setDisabled($('#imgedit-crop-sel-' + postid), 0); |
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354 $('#imgedit-sel-width-' + postid).val(''); |
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355 $('#imgedit-sel-height-' + postid).val(''); |
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356 $('#imgedit-selection-' + postid).val(''); |
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357 return false; |
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358 } |
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359 |
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360 if ( c.width < (min[0] * sizer) && c.height < (min[1] * sizer) ) { |
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361 this.setDisabled($('.imgedit-crop', '#imgedit-panel-' + postid), 0); |
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362 $('#imgedit-selection-' + postid).val(''); |
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363 return false; |
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364 } |
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365 |
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366 sel = { 'x': c.x1, 'y': c.y1, 'w': c.width, 'h': c.height }; |
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367 this.setDisabled($('.imgedit-crop', '#imgedit-panel-' + postid), 1); |
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368 $('#imgedit-selection-' + postid).val( JSON.stringify(sel) ); |
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369 }, |
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370 |
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371 close : function(postid, warn) { |
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372 warn = warn || false; |
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373 |
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374 if ( warn && this.notsaved(postid) ) |
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375 return false; |
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376 |
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377 this.iasapi = {}; |
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378 this.hold = {}; |
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379 $('#image-editor-' + postid).fadeOut('fast', function() { |
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380 $('#media-head-' + postid).fadeIn('fast'); |
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381 $(this).empty(); |
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382 }); |
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383 }, |
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384 |
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385 notsaved : function(postid) { |
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386 var h = $('#imgedit-history-' + postid).val(), |
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387 history = (h != '') ? JSON.parse(h) : new Array(), |
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388 pop = this.intval( $('#imgedit-undone-' + postid).val() ); |
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389 |
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390 if ( pop < history.length ) { |
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391 if ( confirm( $('#imgedit-leaving-' + postid).html() ) ) |
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392 return false; |
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393 return true; |
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394 } |
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395 return false; |
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396 }, |
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397 |
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398 addStep : function(op, postid, nonce) { |
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399 var t = this, elem = $('#imgedit-history-' + postid), |
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400 history = (elem.val() != '') ? JSON.parse(elem.val()) : new Array(), |
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401 undone = $('#imgedit-undone-' + postid), |
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402 pop = t.intval(undone.val()); |
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403 |
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404 while ( pop > 0 ) { |
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405 history.pop(); |
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406 pop--; |
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407 } |
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408 undone.val(0); // reset |
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409 |
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410 history.push(op); |
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411 elem.val( JSON.stringify(history) ); |
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412 |
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413 t.refreshEditor(postid, nonce, function() { |
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414 t.setDisabled($('#image-undo-' + postid), true); |
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415 t.setDisabled($('#image-redo-' + postid), false); |
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416 }); |
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417 }, |
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418 |
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419 rotate : function(angle, postid, nonce, t) { |
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420 if ( $(t).hasClass('disabled') ) |
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421 return false; |
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422 |
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423 this.addStep({ 'r': { 'r': angle, 'fw': this.hold['h'], 'fh': this.hold['w'] }}, postid, nonce); |
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424 }, |
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425 |
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426 flip : function (axis, postid, nonce, t) { |
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427 if ( $(t).hasClass('disabled') ) |
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428 return false; |
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429 |
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430 this.addStep({ 'f': { 'f': axis, 'fw': this.hold['w'], 'fh': this.hold['h'] }}, postid, nonce); |
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431 }, |
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432 |
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433 crop : function (postid, nonce, t) { |
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434 var sel = $('#imgedit-selection-' + postid).val(), |
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435 w = this.intval( $('#imgedit-sel-width-' + postid).val() ), |
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436 h = this.intval( $('#imgedit-sel-height-' + postid).val() ); |
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437 |
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438 if ( $(t).hasClass('disabled') || sel == '' ) |
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439 return false; |
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440 |
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441 sel = JSON.parse(sel); |
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442 if ( sel.w > 0 && sel.h > 0 && w > 0 && h > 0 ) { |
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443 sel['fw'] = w; |
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444 sel['fh'] = h; |
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445 this.addStep({ 'c': sel }, postid, nonce); |
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446 } |
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447 }, |
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448 |
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449 undo : function (postid, nonce) { |
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450 var t = this, button = $('#image-undo-' + postid), elem = $('#imgedit-undone-' + postid), |
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451 pop = t.intval( elem.val() ) + 1; |
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452 |
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453 if ( button.hasClass('disabled') ) |
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454 return; |
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455 |
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456 elem.val(pop); |
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457 t.refreshEditor(postid, nonce, function() { |
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458 var elem = $('#imgedit-history-' + postid), |
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459 history = (elem.val() != '') ? JSON.parse(elem.val()) : new Array(); |
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460 |
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461 t.setDisabled($('#image-redo-' + postid), true); |
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462 t.setDisabled(button, pop < history.length); |
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463 }); |
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464 }, |
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465 |
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466 redo : function(postid, nonce) { |
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467 var t = this, button = $('#image-redo-' + postid), elem = $('#imgedit-undone-' + postid), |
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468 pop = t.intval( elem.val() ) - 1; |
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469 |
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470 if ( button.hasClass('disabled') ) |
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471 return; |
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472 |
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473 elem.val(pop); |
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474 t.refreshEditor(postid, nonce, function() { |
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475 t.setDisabled($('#image-undo-' + postid), true); |
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476 t.setDisabled(button, pop > 0); |
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477 }); |
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478 }, |
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479 |
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480 setNumSelection : function(postid) { |
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481 var sel, elX = $('#imgedit-sel-width-' + postid), elY = $('#imgedit-sel-height-' + postid), |
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482 x = this.intval( elX.val() ), y = this.intval( elY.val() ), |
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483 img = $('#image-preview-' + postid), imgh = img.height(), imgw = img.width(), |
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484 sizer = this.hold['sizer'], x1, y1, x2, y2, ias = this.iasapi; |
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485 |
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486 if ( x < 1 ) { |
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487 elX.val(''); |
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488 return false; |
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489 } |
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490 |
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491 if ( y < 1 ) { |
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492 elY.val(''); |
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493 return false; |
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494 } |
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495 |
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496 if ( x && y && ( sel = ias.getSelection() ) ) { |
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497 x2 = sel.x1 + Math.round( x * sizer ); |
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498 y2 = sel.y1 + Math.round( y * sizer ); |
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499 x1 = sel.x1; |
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500 y1 = sel.y1; |
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501 |
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502 if ( x2 > imgw ) { |
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503 x1 = 0; |
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504 x2 = imgw; |
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505 elX.val( Math.round( x2 / sizer ) ); |
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506 } |
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507 |
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508 if ( y2 > imgh ) { |
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509 y1 = 0; |
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510 y2 = imgh; |
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511 elY.val( Math.round( y2 / sizer ) ); |
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512 } |
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513 |
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514 ias.setSelection( x1, y1, x2, y2 ); |
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515 ias.update(); |
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516 this.setCropSelection(postid, ias.getSelection()); |
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517 } |
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518 }, |
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519 |
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520 round : function(num) { |
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521 var s; |
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522 num = Math.round(num); |
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523 |
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524 if ( this.hold.sizer > 0.6 ) |
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525 return num; |
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526 |
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527 s = num.toString().slice(-1); |
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528 |
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529 if ( '1' == s ) |
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530 return num - 1; |
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531 else if ( '9' == s ) |
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532 return num + 1; |
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533 |
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534 return num; |
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535 }, |
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536 |
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537 setRatioSelection : function(postid, n, el) { |
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538 var sel, r, x = this.intval( $('#imgedit-crop-width-' + postid).val() ), |
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539 y = this.intval( $('#imgedit-crop-height-' + postid).val() ), |
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540 h = $('#image-preview-' + postid).height(); |
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541 |
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542 if ( !this.intval( $(el).val() ) ) { |
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543 $(el).val(''); |
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544 return; |
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545 } |
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546 |
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547 if ( x && y ) { |
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548 this.iasapi.setOptions({ |
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549 aspectRatio: x + ':' + y |
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550 }); |
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551 |
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552 if ( sel = this.iasapi.getSelection(true) ) { |
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553 r = Math.ceil( sel.y1 + ((sel.x2 - sel.x1) / (x / y)) ); |
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554 |
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555 if ( r > h ) { |
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556 r = h; |
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557 if ( n ) |
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558 $('#imgedit-crop-height-' + postid).val(''); |
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559 else |
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560 $('#imgedit-crop-width-' + postid).val(''); |
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561 } |
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562 |
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563 this.iasapi.setSelection( sel.x1, sel.y1, sel.x2, r ); |
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564 this.iasapi.update(); |
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565 } |
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566 } |
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567 } |
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568 } |
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569 })(jQuery); |