1 | <?php |
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2 | /** |
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3 | * The custom header image script. |
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4 | * |
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5 | * @package WordPress |
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6 | * @subpackage Administration |
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7 | */ |
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8 | |
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9 | /** |
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10 | * The custom header image class. |
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11 | * |
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12 | * @since unknown |
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13 | * @package WordPress |
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14 | * @subpackage Administration |
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15 | */ |
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16 | class Custom_Image_Header { |
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17 | |
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18 | /** |
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19 | * Callback for administration header. |
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20 | * |
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21 | * @var callback |
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22 | * @since unknown |
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23 | * @access private |
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24 | */ |
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25 | var $admin_header_callback; |
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26 | |
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27 | /** |
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28 | * PHP4 Constructor - Register administration header callback. |
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29 | * |
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30 | * @since unknown |
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31 | * @param callback $admin_header_callback |
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32 | * @return Custom_Image_Header |
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33 | */ |
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34 | function Custom_Image_Header($admin_header_callback) { |
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35 | $this->admin_header_callback = $admin_header_callback; |
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36 | } |
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37 | |
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38 | /** |
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39 | * Setup the hooks for the Custom Header admin page. |
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40 | * |
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41 | * @since unknown |
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42 | */ |
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43 | function init() { |
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44 | $page = add_theme_page(__('Custom Header'), __('Custom Header'), 'edit_themes', 'custom-header', array(&$this, 'admin_page')); |
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45 | |
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46 | add_action("admin_print_scripts-$page", array(&$this, 'js_includes')); |
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47 | add_action("admin_print_styles-$page", array(&$this, 'css_includes')); |
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48 | add_action("admin_head-$page", array(&$this, 'take_action'), 50); |
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49 | add_action("admin_head-$page", array(&$this, 'js'), 50); |
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50 | add_action("admin_head-$page", $this->admin_header_callback, 51); |
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51 | } |
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52 | |
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53 | /** |
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54 | * Get the current step. |
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55 | * |
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56 | * @since unknown |
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57 | * |
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58 | * @return int Current step |
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59 | */ |
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60 | function step() { |
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61 | if ( ! isset( $_GET['step'] ) ) |
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62 | return 1; |
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63 | |
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64 | $step = (int) $_GET['step']; |
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65 | if ( $step < 1 || 3 < $step ) |
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66 | $step = 1; |
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67 | |
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68 | return $step; |
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69 | } |
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70 | |
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71 | /** |
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72 | * Setup the enqueue for the JavaScript files. |
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73 | * |
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74 | * @since unknown |
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75 | */ |
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76 | function js_includes() { |
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77 | $step = $this->step(); |
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78 | |
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79 | if ( 1 == $step ) |
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80 | wp_enqueue_script('farbtastic'); |
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81 | elseif ( 2 == $step ) |
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82 | wp_enqueue_script('jcrop'); |
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83 | } |
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84 | |
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85 | /** |
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86 | * Setup the enqueue for the CSS files |
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87 | * |
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88 | * @since 2.7 |
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89 | */ |
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90 | function css_includes() { |
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91 | $step = $this->step(); |
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92 | |
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93 | if ( 1 == $step ) |
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94 | wp_enqueue_style('farbtastic'); |
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95 | elseif ( 2 == $step ) |
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96 | wp_enqueue_style('jcrop'); |
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97 | } |
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98 | |
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99 | /** |
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100 | * Execute custom header modification. |
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101 | * |
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102 | * @since unknown |
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103 | */ |
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104 | function take_action() { |
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105 | if ( isset( $_POST['textcolor'] ) ) { |
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106 | check_admin_referer('custom-header'); |
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107 | if ( 'blank' == $_POST['textcolor'] ) { |
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108 | set_theme_mod('header_textcolor', 'blank'); |
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109 | } else { |
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110 | $color = preg_replace('/[^0-9a-fA-F]/', '', $_POST['textcolor']); |
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111 | if ( strlen($color) == 6 || strlen($color) == 3 ) |
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112 | set_theme_mod('header_textcolor', $color); |
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113 | } |
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114 | } |
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115 | if ( isset($_POST['resetheader']) ) { |
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116 | check_admin_referer('custom-header'); |
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117 | remove_theme_mods(); |
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118 | } |
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119 | } |
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120 | |
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121 | /** |
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122 | * Execute Javascript depending on step. |
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123 | * |
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124 | * @since unknown |
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125 | */ |
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126 | function js() { |
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127 | $step = $this->step(); |
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128 | if ( 1 == $step ) |
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129 | $this->js_1(); |
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130 | elseif ( 2 == $step ) |
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131 | $this->js_2(); |
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132 | } |
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133 | |
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134 | /** |
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135 | * Display Javascript based on Step 1. |
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136 | * |
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137 | * @since unknown |
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138 | */ |
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139 | function js_1() { ?> |
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140 | <script type="text/javascript"> |
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141 | var buttons = ['#name', '#desc', '#pickcolor', '#defaultcolor']; |
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142 | var farbtastic; |
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143 | |
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144 | function pickColor(color) { |
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145 | jQuery('#name').css('color', color); |
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146 | jQuery('#desc').css('color', color); |
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147 | jQuery('#textcolor').val(color); |
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148 | farbtastic.setColor(color); |
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149 | } |
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150 | |
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151 | jQuery(document).ready(function() { |
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152 | jQuery('#pickcolor').click(function() { |
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153 | jQuery('#colorPickerDiv').show(); |
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154 | }); |
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155 | |
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156 | jQuery('#hidetext').click(function() { |
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157 | toggle_text(); |
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158 | }); |
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159 | |
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160 | farbtastic = jQuery.farbtastic('#colorPickerDiv', function(color) { pickColor(color); }); |
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161 | pickColor('#<?php echo get_theme_mod('header_textcolor', HEADER_TEXTCOLOR); ?>'); |
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162 | |
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163 | <?php if ( 'blank' == get_theme_mod('header_textcolor', HEADER_TEXTCOLOR) ) { ?> |
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164 | toggle_text(); |
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165 | <?php } ?> |
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166 | }); |
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167 | |
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168 | jQuery(document).mousedown(function(){ |
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169 | // Make the picker disappear, since we're using it in an independant div |
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170 | hide_picker(); |
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171 | }); |
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172 | |
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173 | function colorDefault() { |
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174 | pickColor('#<?php echo HEADER_TEXTCOLOR; ?>'); |
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175 | } |
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176 | |
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177 | function hide_picker(what) { |
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178 | var update = false; |
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179 | jQuery('#colorPickerDiv').each(function(){ |
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180 | var id = jQuery(this).attr('id'); |
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181 | if (id == what) { |
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182 | return; |
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183 | } |
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184 | var display = jQuery(this).css('display'); |
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185 | if (display == 'block') { |
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186 | jQuery(this).fadeOut(2); |
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187 | } |
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188 | }); |
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189 | } |
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190 | |
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191 | function toggle_text(force) { |
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192 | if(jQuery('#textcolor').val() == 'blank') { |
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193 | //Show text |
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194 | jQuery( buttons.toString() ).show(); |
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195 | jQuery('#textcolor').val('<?php echo HEADER_TEXTCOLOR; ?>'); |
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196 | jQuery('#hidetext').val('<?php _e('Hide Text'); ?>'); |
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197 | } |
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198 | else { |
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199 | //Hide text |
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200 | jQuery( buttons.toString() ).hide(); |
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201 | jQuery('#textcolor').val('blank'); |
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202 | jQuery('#hidetext').val('<?php _e('Show Text'); ?>'); |
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203 | } |
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204 | } |
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205 | |
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206 | |
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207 | |
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208 | </script> |
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209 | <?php |
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210 | } |
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211 | |
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212 | /** |
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213 | * Display Javascript based on Step 2. |
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214 | * |
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215 | * @since unknown |
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216 | */ |
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217 | function js_2() { ?> |
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218 | <script type="text/javascript"> |
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219 | function onEndCrop( coords ) { |
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220 | jQuery( '#x1' ).val(coords.x); |
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221 | jQuery( '#y1' ).val(coords.y); |
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222 | jQuery( '#x2' ).val(coords.x2); |
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223 | jQuery( '#y2' ).val(coords.y2); |
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224 | jQuery( '#width' ).val(coords.w); |
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225 | jQuery( '#height' ).val(coords.h); |
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226 | } |
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227 | |
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228 | // with a supplied ratio |
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229 | jQuery(document).ready(function() { |
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230 | var xinit = <?php echo HEADER_IMAGE_WIDTH; ?>; |
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231 | var yinit = <?php echo HEADER_IMAGE_HEIGHT; ?>; |
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232 | var ratio = xinit / yinit; |
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233 | var ximg = jQuery('#upload').width(); |
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234 | var yimg = jQuery('#upload').height(); |
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235 | |
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236 | //set up default values |
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237 | jQuery( '#x1' ).val(0); |
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238 | jQuery( '#y1' ).val(0); |
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239 | jQuery( '#x2' ).val(xinit); |
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240 | jQuery( '#y2' ).val(yinit); |
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241 | jQuery( '#width' ).val(xinit); |
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242 | jQuery( '#height' ).val(yinit); |
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243 | |
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244 | if ( yimg < yinit || ximg < xinit ) { |
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245 | if ( ximg / yimg > ratio ) { |
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246 | yinit = yimg; |
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247 | xinit = yinit * ratio; |
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248 | } else { |
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249 | xinit = ximg; |
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250 | yinit = xinit / ratio; |
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251 | } |
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252 | } |
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253 | |
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254 | jQuery('#upload').Jcrop({ |
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255 | aspectRatio: ratio, |
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256 | setSelect: [ 0, 0, xinit, yinit ], |
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257 | onSelect: onEndCrop |
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258 | }); |
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259 | }); |
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260 | </script> |
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261 | <?php |
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262 | } |
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263 | |
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264 | /** |
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265 | * Display first step of custom header image page. |
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266 | * |
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267 | * @since unknown |
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268 | */ |
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269 | function step_1() { |
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270 | if ( $_GET['updated'] ) { ?> |
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271 | <div id="message" class="updated fade"> |
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272 | <p><?php _e('Header updated.') ?></p> |
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273 | </div> |
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274 | <?php } ?> |
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275 | |
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276 | <?php screen_icon(); ?> |
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277 | <div class="wrap custom-header-text"> |
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278 | <h2><?php _e('Your Header Image'); ?></h2> |
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279 | <p><?php _e('This is your header image. You can change the text color or upload and crop a new image.'); ?></p> |
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280 | |
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281 | <div id="headimg" style="background-image: url(<?php esc_url(header_image()) ?>);"> |
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282 | <h1><a onclick="return false;" href="<?php bloginfo('url'); ?>" title="<?php bloginfo('name'); ?>" id="name"><?php bloginfo('name'); ?></a></h1> |
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283 | <div id="desc"><?php bloginfo('description');?></div> |
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284 | </div> |
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285 | <?php if ( !defined( 'NO_HEADER_TEXT' ) ) { ?> |
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286 | <form method="post" action="<?php echo admin_url('themes.php?page=custom-header&updated=true') ?>"> |
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287 | <input type="button" class="button" value="<?php esc_attr_e('Hide Text'); ?>" onclick="hide_text()" id="hidetext" /> |
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288 | <input type="button" class="button" value="<?php esc_attr_e('Select a Text Color'); ?>" id="pickcolor" /><input type="button" class="button" value="<?php esc_attr_e('Use Original Color'); ?>" onclick="colorDefault()" id="defaultcolor" /> |
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289 | <?php wp_nonce_field('custom-header') ?> |
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290 | <input type="hidden" name="textcolor" id="textcolor" value="#<?php esc_attr(header_textcolor()) ?>" /><input name="submit" type="submit" class="button" value="<?php esc_attr_e('Save Changes'); ?>" /></form> |
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291 | <?php } ?> |
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292 | |
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293 | <div id="colorPickerDiv" style="z-index: 100;background:#eee;border:1px solid #ccc;position:absolute;display:none;"> </div> |
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294 | </div> |
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295 | <div class="wrap custom-header-image"> |
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296 | <h2><?php _e('Upload New Header Image'); ?></h2><p><?php _e('Here you can upload a custom header image to be shown at the top of your blog instead of the default one. On the next screen you will be able to crop the image.'); ?></p> |
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297 | <p><?php printf(__('Images of exactly <strong>%1$d x %2$d pixels</strong> will be used as-is.'), HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT); ?></p> |
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298 | |
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299 | <form enctype="multipart/form-data" id="uploadForm" method="POST" action="<?php echo esc_attr(add_query_arg('step', 2)) ?>" style="margin: auto; width: 50%;"> |
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300 | <label for="upload"><?php _e('Choose an image from your computer:'); ?></label><br /><input type="file" id="upload" name="import" /> |
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301 | <input type="hidden" name="action" value="save" /> |
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302 | <?php wp_nonce_field('custom-header') ?> |
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303 | <p class="submit"> |
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304 | <input type="submit" value="<?php esc_attr_e('Upload'); ?>" /> |
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305 | </p> |
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306 | </form> |
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307 | |
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308 | </div> |
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309 | |
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310 | <?php if ( get_theme_mod('header_image') || get_theme_mod('header_textcolor') ) : ?> |
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311 | <div class="wrap custom-header-reset"> |
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312 | <h2><?php _e('Reset Header Image and Color'); ?></h2> |
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313 | <p><?php _e('This will restore the original header image and color. You will not be able to retrieve any customizations.') ?></p> |
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314 | <form method="post" action="<?php echo esc_attr(add_query_arg('step', 1)) ?>"> |
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315 | <?php wp_nonce_field('custom-header'); ?> |
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316 | <input type="submit" class="button" name="resetheader" value="<?php esc_attr_e('Restore Original Header'); ?>" /> |
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317 | </form> |
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318 | </div> |
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319 | <?php endif; |
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320 | |
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321 | } |
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322 | |
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323 | /** |
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324 | * Display second step of custom header image page. |
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325 | * |
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326 | * @since unknown |
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327 | */ |
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328 | function step_2() { |
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329 | check_admin_referer('custom-header'); |
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330 | $overrides = array('test_form' => false); |
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331 | $file = wp_handle_upload($_FILES['import'], $overrides); |
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332 | |
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333 | if ( isset($file['error']) ) |
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334 | die( $file['error'] ); |
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335 | |
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336 | $url = $file['url']; |
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337 | $type = $file['type']; |
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338 | $file = $file['file']; |
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339 | $filename = basename($file); |
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340 | |
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341 | // Construct the object array |
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342 | $object = array( |
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343 | 'post_title' => $filename, |
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344 | 'post_content' => $url, |
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345 | 'post_mime_type' => $type, |
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346 | 'guid' => $url); |
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347 | |
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348 | // Save the data |
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349 | $id = wp_insert_attachment($object, $file); |
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350 | |
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351 | list($width, $height, $type, $attr) = getimagesize( $file ); |
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352 | |
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353 | if ( $width == HEADER_IMAGE_WIDTH && $height == HEADER_IMAGE_HEIGHT ) { |
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354 | // Add the meta-data |
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355 | wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) ); |
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356 | |
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357 | set_theme_mod('header_image', esc_url($url)); |
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358 | do_action('wp_create_file_in_uploads', $file, $id); // For replication |
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359 | return $this->finished(); |
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360 | } elseif ( $width > HEADER_IMAGE_WIDTH ) { |
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361 | $oitar = $width / HEADER_IMAGE_WIDTH; |
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362 | $image = wp_crop_image($file, 0, 0, $width, $height, HEADER_IMAGE_WIDTH, $height / $oitar, false, str_replace(basename($file), 'midsize-'.basename($file), $file)); |
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363 | $image = apply_filters('wp_create_file_in_uploads', $image, $id); // For replication |
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364 | |
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365 | $url = str_replace(basename($url), basename($image), $url); |
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366 | $width = $width / $oitar; |
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367 | $height = $height / $oitar; |
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368 | } else { |
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369 | $oitar = 1; |
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370 | } |
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371 | ?> |
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372 | |
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373 | <div class="wrap"> |
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374 | |
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375 | <form method="POST" action="<?php echo esc_attr(add_query_arg('step', 3)) ?>"> |
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376 | |
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377 | <p><?php _e('Choose the part of the image you want to use as your header.'); ?></p> |
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378 | <div id="testWrap" style="position: relative"> |
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379 | <img src="<?php echo $url; ?>" id="upload" width="<?php echo $width; ?>" height="<?php echo $height; ?>" /> |
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380 | </div> |
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381 | |
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382 | <p class="submit"> |
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383 | <input type="hidden" name="x1" id="x1" /> |
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384 | <input type="hidden" name="y1" id="y1" /> |
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385 | <input type="hidden" name="x2" id="x2" /> |
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386 | <input type="hidden" name="y2" id="y2" /> |
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387 | <input type="hidden" name="width" id="width" /> |
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388 | <input type="hidden" name="height" id="height" /> |
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389 | <input type="hidden" name="attachment_id" id="attachment_id" value="<?php echo esc_attr($id); ?>" /> |
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390 | <input type="hidden" name="oitar" id="oitar" value="<?php echo esc_attr($oitar); ?>" /> |
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391 | <?php wp_nonce_field('custom-header') ?> |
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392 | <input type="submit" value="<?php esc_attr_e('Crop Header'); ?>" /> |
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393 | </p> |
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394 | |
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395 | </form> |
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396 | </div> |
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397 | <?php |
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398 | } |
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399 | |
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400 | /** |
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401 | * Display third step of custom header image page. |
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402 | * |
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403 | * @since unknown |
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404 | */ |
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405 | function step_3() { |
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406 | check_admin_referer('custom-header'); |
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407 | if ( $_POST['oitar'] > 1 ) { |
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408 | $_POST['x1'] = $_POST['x1'] * $_POST['oitar']; |
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409 | $_POST['y1'] = $_POST['y1'] * $_POST['oitar']; |
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410 | $_POST['width'] = $_POST['width'] * $_POST['oitar']; |
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411 | $_POST['height'] = $_POST['height'] * $_POST['oitar']; |
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412 | } |
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413 | |
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414 | $original = get_attached_file( $_POST['attachment_id'] ); |
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415 | |
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416 | $cropped = wp_crop_image($_POST['attachment_id'], $_POST['x1'], $_POST['y1'], $_POST['width'], $_POST['height'], HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT); |
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417 | $cropped = apply_filters('wp_create_file_in_uploads', $cropped, $_POST['attachment_id']); // For replication |
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418 | |
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419 | $parent = get_post($_POST['attachment_id']); |
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420 | $parent_url = $parent->guid; |
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421 | $url = str_replace(basename($parent_url), basename($cropped), $parent_url); |
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422 | |
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423 | // Construct the object array |
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424 | $object = array( |
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425 | 'ID' => $_POST['attachment_id'], |
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426 | 'post_title' => basename($cropped), |
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427 | 'post_content' => $url, |
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428 | 'post_mime_type' => 'image/jpeg', |
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429 | 'guid' => $url |
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430 | ); |
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431 | |
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432 | // Update the attachment |
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433 | wp_insert_attachment($object, $cropped); |
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434 | wp_update_attachment_metadata( $_POST['attachment_id'], wp_generate_attachment_metadata( $_POST['attachment_id'], $cropped ) ); |
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435 | |
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436 | set_theme_mod('header_image', $url); |
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437 | |
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438 | // cleanup |
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439 | $medium = str_replace(basename($original), 'midsize-'.basename($original), $original); |
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440 | @unlink( apply_filters( 'wp_delete_file', $medium ) ); |
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441 | @unlink( apply_filters( 'wp_delete_file', $original ) ); |
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442 | |
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443 | return $this->finished(); |
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444 | } |
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445 | |
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446 | /** |
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447 | * Display last step of custom header image page. |
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448 | * |
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449 | * @since unknown |
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450 | */ |
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451 | function finished() { |
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452 | ?> |
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453 | <div class="wrap"> |
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454 | <?php screen_icon(); ?><h2><?php _e('Header complete!'); ?></h2> |
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455 | |
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456 | <p><?php _e('Visit your site and you should see the new header now.'); ?></p> |
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457 | |
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458 | </div> |
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459 | <?php |
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460 | } |
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461 | |
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462 | /** |
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463 | * Display the page based on the current step. |
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464 | * |
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465 | * @since unknown |
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466 | */ |
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467 | function admin_page() { |
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468 | $step = $this->step(); |
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469 | if ( 1 == $step ) |
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470 | $this->step_1(); |
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471 | elseif ( 2 == $step ) |
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472 | $this->step_2(); |
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473 | elseif ( 3 == $step ) |
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474 | $this->step_3(); |
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475 | } |
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476 | |
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477 | } |
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478 | ?> |
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