1 | /** |
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2 | * @output wp-includes/js/wplink.js |
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3 | */ |
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4 | |
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5 | /* global wpLink */ |
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6 | |
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7 | ( function( $, wpLinkL10n, wp ) { |
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8 | var editor, searchTimer, River, Query, correctedURL, |
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9 | emailRegexp = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,63}$/i, |
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10 | urlRegexp = /^(https?|ftp):\/\/[A-Z0-9.-]+\.[A-Z]{2,63}[^ "]*$/i, |
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11 | inputs = {}, |
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12 | rivers = {}, |
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13 | isTouch = ( 'ontouchend' in document ); |
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14 | |
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15 | function getLink() { |
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16 | if ( editor ) { |
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17 | return editor.$( 'a[data-wplink-edit="true"]' ); |
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18 | } |
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19 | |
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20 | return null; |
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21 | } |
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22 | |
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23 | window.wpLink = { |
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24 | timeToTriggerRiver: 150, |
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25 | minRiverAJAXDuration: 200, |
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26 | riverBottomThreshold: 5, |
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27 | keySensitivity: 100, |
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28 | lastSearch: '', |
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29 | textarea: '', |
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30 | modalOpen: false, |
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31 | |
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32 | init: function() { |
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33 | inputs.wrap = $('#wp-link-wrap'); |
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34 | inputs.dialog = $( '#wp-link' ); |
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35 | inputs.backdrop = $( '#wp-link-backdrop' ); |
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36 | inputs.submit = $( '#wp-link-submit' ); |
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37 | inputs.close = $( '#wp-link-close' ); |
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38 | |
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39 | // Input. |
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40 | inputs.text = $( '#wp-link-text' ); |
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41 | inputs.url = $( '#wp-link-url' ); |
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42 | inputs.nonce = $( '#_ajax_linking_nonce' ); |
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43 | inputs.openInNewTab = $( '#wp-link-target' ); |
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44 | inputs.search = $( '#wp-link-search' ); |
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45 | |
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46 | // Build rivers. |
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47 | rivers.search = new River( $( '#search-results' ) ); |
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48 | rivers.recent = new River( $( '#most-recent-results' ) ); |
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49 | rivers.elements = inputs.dialog.find( '.query-results' ); |
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50 | |
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51 | // Get search notice text. |
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52 | inputs.queryNotice = $( '#query-notice-message' ); |
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53 | inputs.queryNoticeTextDefault = inputs.queryNotice.find( '.query-notice-default' ); |
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54 | inputs.queryNoticeTextHint = inputs.queryNotice.find( '.query-notice-hint' ); |
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55 | |
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56 | // Bind event handlers. |
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57 | inputs.dialog.on( 'keydown', wpLink.keydown ); |
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58 | inputs.dialog.on( 'keyup', wpLink.keyup ); |
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59 | inputs.submit.on( 'click', function( event ) { |
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60 | event.preventDefault(); |
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61 | wpLink.update(); |
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62 | }); |
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63 | |
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64 | inputs.close.add( inputs.backdrop ).add( '#wp-link-cancel button' ).on( 'click', function( event ) { |
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65 | event.preventDefault(); |
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66 | wpLink.close(); |
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67 | }); |
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68 | |
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69 | rivers.elements.on( 'river-select', wpLink.updateFields ); |
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70 | |
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71 | // Display 'hint' message when search field or 'query-results' box are focused. |
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72 | inputs.search.on( 'focus.wplink', function() { |
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73 | inputs.queryNoticeTextDefault.hide(); |
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74 | inputs.queryNoticeTextHint.removeClass( 'screen-reader-text' ).show(); |
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75 | } ).on( 'blur.wplink', function() { |
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76 | inputs.queryNoticeTextDefault.show(); |
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77 | inputs.queryNoticeTextHint.addClass( 'screen-reader-text' ).hide(); |
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78 | } ); |
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79 | |
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80 | inputs.search.on( 'keyup input', function() { |
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81 | window.clearTimeout( searchTimer ); |
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82 | searchTimer = window.setTimeout( function() { |
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83 | wpLink.searchInternalLinks(); |
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84 | }, 500 ); |
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85 | }); |
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86 | |
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87 | inputs.url.on( 'paste', function() { |
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88 | setTimeout( wpLink.correctURL, 0 ); |
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89 | } ); |
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90 | |
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91 | inputs.url.on( 'blur', wpLink.correctURL ); |
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92 | }, |
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93 | |
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94 | // If URL wasn't corrected last time and doesn't start with http:, https:, ? # or /, prepend http://. |
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95 | correctURL: function () { |
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96 | var url = inputs.url.val().trim(); |
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97 | |
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98 | if ( url && correctedURL !== url && ! /^(?:[a-z]+:|#|\?|\.|\/)/.test( url ) ) { |
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99 | inputs.url.val( 'http://' + url ); |
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100 | correctedURL = url; |
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101 | } |
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102 | }, |
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103 | |
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104 | open: function( editorId, url, text ) { |
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105 | var ed, |
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106 | $body = $( document.body ); |
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107 | |
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108 | $( '#wpwrap' ).attr( 'aria-hidden', 'true' ); |
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109 | $body.addClass( 'modal-open' ); |
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110 | wpLink.modalOpen = true; |
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111 | |
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112 | wpLink.range = null; |
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113 | |
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114 | if ( editorId ) { |
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115 | window.wpActiveEditor = editorId; |
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116 | } |
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117 | |
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118 | if ( ! window.wpActiveEditor ) { |
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119 | return; |
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120 | } |
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121 | |
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122 | this.textarea = $( '#' + window.wpActiveEditor ).get( 0 ); |
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123 | |
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124 | if ( typeof window.tinymce !== 'undefined' ) { |
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125 | // Make sure the link wrapper is the last element in the body, |
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126 | // or the inline editor toolbar may show above the backdrop. |
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127 | $body.append( inputs.backdrop, inputs.wrap ); |
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128 | |
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129 | ed = window.tinymce.get( window.wpActiveEditor ); |
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130 | |
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131 | if ( ed && ! ed.isHidden() ) { |
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132 | editor = ed; |
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133 | } else { |
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134 | editor = null; |
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135 | } |
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136 | } |
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137 | |
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138 | if ( ! wpLink.isMCE() && document.selection ) { |
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139 | this.textarea.focus(); |
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140 | this.range = document.selection.createRange(); |
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141 | } |
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142 | |
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143 | inputs.wrap.show(); |
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144 | inputs.backdrop.show(); |
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145 | |
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146 | wpLink.refresh( url, text ); |
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147 | |
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148 | $( document ).trigger( 'wplink-open', inputs.wrap ); |
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149 | }, |
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150 | |
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151 | isMCE: function() { |
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152 | return editor && ! editor.isHidden(); |
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153 | }, |
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154 | |
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155 | refresh: function( url, text ) { |
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156 | var linkText = ''; |
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157 | |
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158 | // Refresh rivers (clear links, check visibility). |
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159 | rivers.search.refresh(); |
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160 | rivers.recent.refresh(); |
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161 | |
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162 | if ( wpLink.isMCE() ) { |
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163 | wpLink.mceRefresh( url, text ); |
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164 | } else { |
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165 | // For the Text editor the "Link text" field is always shown. |
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166 | if ( ! inputs.wrap.hasClass( 'has-text-field' ) ) { |
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167 | inputs.wrap.addClass( 'has-text-field' ); |
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168 | } |
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169 | |
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170 | if ( document.selection ) { |
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171 | // Old IE. |
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172 | linkText = document.selection.createRange().text || text || ''; |
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173 | } else if ( typeof this.textarea.selectionStart !== 'undefined' && |
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174 | ( this.textarea.selectionStart !== this.textarea.selectionEnd ) ) { |
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175 | // W3C. |
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176 | text = this.textarea.value.substring( this.textarea.selectionStart, this.textarea.selectionEnd ) || text || ''; |
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177 | } |
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178 | |
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179 | inputs.text.val( text ); |
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180 | wpLink.setDefaultValues(); |
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181 | } |
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182 | |
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183 | if ( isTouch ) { |
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184 | // Close the onscreen keyboard. |
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185 | inputs.url.trigger( 'focus' ).trigger( 'blur' ); |
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186 | } else { |
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187 | /* |
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188 | * Focus the URL field and highlight its contents. |
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189 | * If this is moved above the selection changes, |
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190 | * IE will show a flashing cursor over the dialog. |
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191 | */ |
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192 | window.setTimeout( function() { |
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193 | inputs.url[0].select(); |
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194 | inputs.url.trigger( 'focus' ); |
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195 | } ); |
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196 | } |
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197 | |
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198 | // Load the most recent results if this is the first time opening the panel. |
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199 | if ( ! rivers.recent.ul.children().length ) { |
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200 | rivers.recent.ajax(); |
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201 | } |
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202 | |
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203 | correctedURL = inputs.url.val().replace( /^http:\/\//, '' ); |
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204 | }, |
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205 | |
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206 | hasSelectedText: function( linkNode ) { |
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207 | var node, nodes, i, html = editor.selection.getContent(); |
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208 | |
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209 | // Partial html and not a fully selected anchor element. |
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210 | if ( /</.test( html ) && ( ! /^<a [^>]+>[^<]+<\/a>$/.test( html ) || html.indexOf('href=') === -1 ) ) { |
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211 | return false; |
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212 | } |
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213 | |
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214 | if ( linkNode.length ) { |
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215 | nodes = linkNode[0].childNodes; |
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216 | |
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217 | if ( ! nodes || ! nodes.length ) { |
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218 | return false; |
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219 | } |
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220 | |
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221 | for ( i = nodes.length - 1; i >= 0; i-- ) { |
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222 | node = nodes[i]; |
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223 | |
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224 | if ( node.nodeType != 3 && ! window.tinymce.dom.BookmarkManager.isBookmarkNode( node ) ) { |
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225 | return false; |
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226 | } |
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227 | } |
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228 | } |
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229 | |
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230 | return true; |
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231 | }, |
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232 | |
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233 | mceRefresh: function( searchStr, text ) { |
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234 | var linkText, href, |
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235 | linkNode = getLink(), |
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236 | onlyText = this.hasSelectedText( linkNode ); |
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237 | |
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238 | if ( linkNode.length ) { |
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239 | linkText = linkNode.text(); |
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240 | href = linkNode.attr( 'href' ); |
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241 | |
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242 | if ( ! linkText.trim() ) { |
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243 | linkText = text || ''; |
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244 | } |
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245 | |
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246 | if ( searchStr && ( urlRegexp.test( searchStr ) || emailRegexp.test( searchStr ) ) ) { |
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247 | href = searchStr; |
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248 | } |
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249 | |
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250 | if ( href !== '_wp_link_placeholder' ) { |
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251 | inputs.url.val( href ); |
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252 | inputs.openInNewTab.prop( 'checked', '_blank' === linkNode.attr( 'target' ) ); |
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253 | inputs.submit.val( wpLinkL10n.update ); |
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254 | } else { |
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255 | this.setDefaultValues( linkText ); |
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256 | } |
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257 | |
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258 | if ( searchStr && searchStr !== href ) { |
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259 | // The user has typed something in the inline dialog. Trigger a search with it. |
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260 | inputs.search.val( searchStr ); |
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261 | } else { |
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262 | inputs.search.val( '' ); |
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263 | } |
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264 | |
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265 | // Always reset the search. |
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266 | window.setTimeout( function() { |
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267 | wpLink.searchInternalLinks(); |
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268 | } ); |
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269 | } else { |
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270 | linkText = editor.selection.getContent({ format: 'text' }) || text || ''; |
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271 | this.setDefaultValues( linkText ); |
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272 | } |
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273 | |
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274 | if ( onlyText ) { |
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275 | inputs.text.val( linkText ); |
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276 | inputs.wrap.addClass( 'has-text-field' ); |
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277 | } else { |
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278 | inputs.text.val( '' ); |
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279 | inputs.wrap.removeClass( 'has-text-field' ); |
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280 | } |
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281 | }, |
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282 | |
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283 | close: function( reset ) { |
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284 | $( document.body ).removeClass( 'modal-open' ); |
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285 | $( '#wpwrap' ).removeAttr( 'aria-hidden' ); |
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286 | wpLink.modalOpen = false; |
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287 | |
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288 | if ( reset !== 'noReset' ) { |
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289 | if ( ! wpLink.isMCE() ) { |
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290 | wpLink.textarea.focus(); |
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291 | |
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292 | if ( wpLink.range ) { |
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293 | wpLink.range.moveToBookmark( wpLink.range.getBookmark() ); |
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294 | wpLink.range.select(); |
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295 | } |
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296 | } else { |
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297 | if ( editor.plugins.wplink ) { |
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298 | editor.plugins.wplink.close(); |
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299 | } |
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300 | |
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301 | editor.focus(); |
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302 | } |
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303 | } |
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304 | |
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305 | inputs.backdrop.hide(); |
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306 | inputs.wrap.hide(); |
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307 | |
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308 | correctedURL = false; |
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309 | |
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310 | $( document ).trigger( 'wplink-close', inputs.wrap ); |
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311 | }, |
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312 | |
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313 | getAttrs: function() { |
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314 | wpLink.correctURL(); |
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315 | |
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316 | return { |
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317 | href: inputs.url.val().trim(), |
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318 | target: inputs.openInNewTab.prop( 'checked' ) ? '_blank' : null |
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319 | }; |
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320 | }, |
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321 | |
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322 | buildHtml: function(attrs) { |
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323 | var html = '<a href="' + attrs.href + '"'; |
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324 | |
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325 | if ( attrs.target ) { |
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326 | html += ' rel="noopener" target="' + attrs.target + '"'; |
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327 | } |
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328 | |
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329 | return html + '>'; |
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330 | }, |
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331 | |
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332 | update: function() { |
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333 | if ( wpLink.isMCE() ) { |
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334 | wpLink.mceUpdate(); |
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335 | } else { |
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336 | wpLink.htmlUpdate(); |
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337 | } |
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338 | }, |
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339 | |
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340 | htmlUpdate: function() { |
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341 | var attrs, text, html, begin, end, cursor, selection, |
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342 | textarea = wpLink.textarea; |
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343 | |
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344 | if ( ! textarea ) { |
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345 | return; |
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346 | } |
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347 | |
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348 | attrs = wpLink.getAttrs(); |
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349 | text = inputs.text.val(); |
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350 | |
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351 | var parser = document.createElement( 'a' ); |
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352 | parser.href = attrs.href; |
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353 | |
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354 | if ( 'javascript:' === parser.protocol || 'data:' === parser.protocol ) { // jshint ignore:line |
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355 | attrs.href = ''; |
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356 | } |
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357 | |
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358 | // If there's no href, return. |
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359 | if ( ! attrs.href ) { |
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360 | return; |
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361 | } |
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362 | |
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363 | html = wpLink.buildHtml(attrs); |
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364 | |
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365 | // Insert HTML. |
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366 | if ( document.selection && wpLink.range ) { |
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367 | // IE. |
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368 | // Note: If no text is selected, IE will not place the cursor |
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369 | // inside the closing tag. |
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370 | textarea.focus(); |
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371 | wpLink.range.text = html + ( text || wpLink.range.text ) + '</a>'; |
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372 | wpLink.range.moveToBookmark( wpLink.range.getBookmark() ); |
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373 | wpLink.range.select(); |
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374 | |
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375 | wpLink.range = null; |
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376 | } else if ( typeof textarea.selectionStart !== 'undefined' ) { |
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377 | // W3C. |
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378 | begin = textarea.selectionStart; |
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379 | end = textarea.selectionEnd; |
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380 | selection = text || textarea.value.substring( begin, end ); |
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381 | html = html + selection + '</a>'; |
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382 | cursor = begin + html.length; |
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383 | |
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384 | // If no text is selected, place the cursor inside the closing tag. |
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385 | if ( begin === end && ! selection ) { |
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386 | cursor -= 4; |
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387 | } |
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388 | |
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389 | textarea.value = ( |
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390 | textarea.value.substring( 0, begin ) + |
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391 | html + |
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392 | textarea.value.substring( end, textarea.value.length ) |
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393 | ); |
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394 | |
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395 | // Update cursor position. |
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396 | textarea.selectionStart = textarea.selectionEnd = cursor; |
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397 | } |
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398 | |
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399 | wpLink.close(); |
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400 | textarea.focus(); |
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401 | $( textarea ).trigger( 'change' ); |
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402 | |
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403 | // Audible confirmation message when a link has been inserted in the Editor. |
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404 | wp.a11y.speak( wpLinkL10n.linkInserted ); |
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405 | }, |
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406 | |
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407 | mceUpdate: function() { |
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408 | var attrs = wpLink.getAttrs(), |
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409 | $link, text, hasText; |
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410 | |
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411 | var parser = document.createElement( 'a' ); |
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412 | parser.href = attrs.href; |
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413 | |
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414 | if ( 'javascript:' === parser.protocol || 'data:' === parser.protocol ) { // jshint ignore:line |
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415 | attrs.href = ''; |
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416 | } |
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417 | |
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418 | if ( ! attrs.href ) { |
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419 | editor.execCommand( 'unlink' ); |
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420 | wpLink.close(); |
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421 | return; |
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422 | } |
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423 | |
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424 | $link = getLink(); |
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425 | |
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426 | editor.undoManager.transact( function() { |
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427 | if ( ! $link.length ) { |
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428 | editor.execCommand( 'mceInsertLink', false, { href: '_wp_link_placeholder', 'data-wp-temp-link': 1 } ); |
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429 | $link = editor.$( 'a[data-wp-temp-link="1"]' ).removeAttr( 'data-wp-temp-link' ); |
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430 | hasText = $link.text().trim(); |
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431 | } |
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432 | |
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433 | if ( ! $link.length ) { |
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434 | editor.execCommand( 'unlink' ); |
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435 | } else { |
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436 | if ( inputs.wrap.hasClass( 'has-text-field' ) ) { |
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437 | text = inputs.text.val(); |
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438 | |
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439 | if ( text ) { |
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440 | $link.text( text ); |
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441 | } else if ( ! hasText ) { |
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442 | $link.text( attrs.href ); |
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443 | } |
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444 | } |
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445 | |
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446 | attrs['data-wplink-edit'] = null; |
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447 | attrs['data-mce-href'] = attrs.href; |
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448 | $link.attr( attrs ); |
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449 | } |
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450 | } ); |
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451 | |
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452 | wpLink.close( 'noReset' ); |
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453 | editor.focus(); |
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454 | |
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455 | if ( $link.length ) { |
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456 | editor.selection.select( $link[0] ); |
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457 | |
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458 | if ( editor.plugins.wplink ) { |
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459 | editor.plugins.wplink.checkLink( $link[0] ); |
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460 | } |
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461 | } |
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462 | |
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463 | editor.nodeChanged(); |
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464 | |
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465 | // Audible confirmation message when a link has been inserted in the Editor. |
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466 | wp.a11y.speak( wpLinkL10n.linkInserted ); |
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467 | }, |
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468 | |
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469 | updateFields: function( e, li ) { |
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470 | inputs.url.val( li.children( '.item-permalink' ).val() ); |
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471 | |
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472 | if ( inputs.wrap.hasClass( 'has-text-field' ) && ! inputs.text.val() ) { |
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473 | inputs.text.val( li.children( '.item-title' ).text() ); |
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474 | } |
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475 | }, |
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476 | |
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477 | getUrlFromSelection: function( selection ) { |
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478 | if ( ! selection ) { |
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479 | if ( this.isMCE() ) { |
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480 | selection = editor.selection.getContent({ format: 'text' }); |
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481 | } else if ( document.selection && wpLink.range ) { |
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482 | selection = wpLink.range.text; |
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483 | } else if ( typeof this.textarea.selectionStart !== 'undefined' ) { |
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484 | selection = this.textarea.value.substring( this.textarea.selectionStart, this.textarea.selectionEnd ); |
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485 | } |
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486 | } |
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487 | |
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488 | selection = selection || ''; |
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489 | selection = selection.trim(); |
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490 | |
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491 | if ( selection && emailRegexp.test( selection ) ) { |
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492 | // Selection is email address. |
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493 | return 'mailto:' + selection; |
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494 | } else if ( selection && urlRegexp.test( selection ) ) { |
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495 | // Selection is URL. |
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496 | return selection.replace( /&|�?38;/gi, '&' ); |
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497 | } |
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498 | |
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499 | return ''; |
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500 | }, |
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501 | |
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502 | setDefaultValues: function( selection ) { |
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503 | inputs.url.val( this.getUrlFromSelection( selection ) ); |
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504 | |
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505 | // Empty the search field and swap the "rivers". |
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506 | inputs.search.val(''); |
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507 | wpLink.searchInternalLinks(); |
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508 | |
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509 | // Update save prompt. |
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510 | inputs.submit.val( wpLinkL10n.save ); |
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511 | }, |
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512 | |
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513 | searchInternalLinks: function() { |
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514 | var waiting, |
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515 | search = inputs.search.val() || '', |
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516 | minInputLength = parseInt( wpLinkL10n.minInputLength, 10 ) || 3; |
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517 | |
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518 | if ( search.length >= minInputLength ) { |
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519 | rivers.recent.hide(); |
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520 | rivers.search.show(); |
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521 | |
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522 | // Don't search if the keypress didn't change the title. |
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523 | if ( wpLink.lastSearch == search ) |
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524 | return; |
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525 | |
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526 | wpLink.lastSearch = search; |
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527 | waiting = inputs.search.parent().find( '.spinner' ).addClass( 'is-active' ); |
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528 | |
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529 | rivers.search.change( search ); |
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530 | rivers.search.ajax( function() { |
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531 | waiting.removeClass( 'is-active' ); |
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532 | }); |
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533 | } else { |
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534 | rivers.search.hide(); |
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535 | rivers.recent.show(); |
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536 | } |
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537 | }, |
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538 | |
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539 | next: function() { |
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540 | rivers.search.next(); |
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541 | rivers.recent.next(); |
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542 | }, |
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543 | |
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544 | prev: function() { |
---|
545 | rivers.search.prev(); |
---|
546 | rivers.recent.prev(); |
---|
547 | }, |
---|
548 | |
---|
549 | keydown: function( event ) { |
---|
550 | var fn, id; |
---|
551 | |
---|
552 | // Escape key. |
---|
553 | if ( 27 === event.keyCode ) { |
---|
554 | wpLink.close(); |
---|
555 | event.stopImmediatePropagation(); |
---|
556 | // Tab key. |
---|
557 | } else if ( 9 === event.keyCode ) { |
---|
558 | id = event.target.id; |
---|
559 | |
---|
560 | // wp-link-submit must always be the last focusable element in the dialog. |
---|
561 | // Following focusable elements will be skipped on keyboard navigation. |
---|
562 | if ( id === 'wp-link-submit' && ! event.shiftKey ) { |
---|
563 | inputs.close.trigger( 'focus' ); |
---|
564 | event.preventDefault(); |
---|
565 | } else if ( id === 'wp-link-close' && event.shiftKey ) { |
---|
566 | inputs.submit.trigger( 'focus' ); |
---|
567 | event.preventDefault(); |
---|
568 | } |
---|
569 | } |
---|
570 | |
---|
571 | // Up Arrow and Down Arrow keys. |
---|
572 | if ( event.shiftKey || ( 38 !== event.keyCode && 40 !== event.keyCode ) ) { |
---|
573 | return; |
---|
574 | } |
---|
575 | |
---|
576 | if ( document.activeElement && |
---|
577 | ( document.activeElement.id === 'link-title-field' || document.activeElement.id === 'url-field' ) ) { |
---|
578 | return; |
---|
579 | } |
---|
580 | |
---|
581 | // Up Arrow key. |
---|
582 | fn = 38 === event.keyCode ? 'prev' : 'next'; |
---|
583 | clearInterval( wpLink.keyInterval ); |
---|
584 | wpLink[ fn ](); |
---|
585 | wpLink.keyInterval = setInterval( wpLink[ fn ], wpLink.keySensitivity ); |
---|
586 | event.preventDefault(); |
---|
587 | }, |
---|
588 | |
---|
589 | keyup: function( event ) { |
---|
590 | // Up Arrow and Down Arrow keys. |
---|
591 | if ( 38 === event.keyCode || 40 === event.keyCode ) { |
---|
592 | clearInterval( wpLink.keyInterval ); |
---|
593 | event.preventDefault(); |
---|
594 | } |
---|
595 | }, |
---|
596 | |
---|
597 | delayedCallback: function( func, delay ) { |
---|
598 | var timeoutTriggered, funcTriggered, funcArgs, funcContext; |
---|
599 | |
---|
600 | if ( ! delay ) |
---|
601 | return func; |
---|
602 | |
---|
603 | setTimeout( function() { |
---|
604 | if ( funcTriggered ) |
---|
605 | return func.apply( funcContext, funcArgs ); |
---|
606 | // Otherwise, wait. |
---|
607 | timeoutTriggered = true; |
---|
608 | }, delay ); |
---|
609 | |
---|
610 | return function() { |
---|
611 | if ( timeoutTriggered ) |
---|
612 | return func.apply( this, arguments ); |
---|
613 | // Otherwise, wait. |
---|
614 | funcArgs = arguments; |
---|
615 | funcContext = this; |
---|
616 | funcTriggered = true; |
---|
617 | }; |
---|
618 | } |
---|
619 | }; |
---|
620 | |
---|
621 | River = function( element, search ) { |
---|
622 | var self = this; |
---|
623 | this.element = element; |
---|
624 | this.ul = element.children( 'ul' ); |
---|
625 | this.contentHeight = element.children( '#link-selector-height' ); |
---|
626 | this.waiting = element.find('.river-waiting'); |
---|
627 | |
---|
628 | this.change( search ); |
---|
629 | this.refresh(); |
---|
630 | |
---|
631 | $( '#wp-link .query-results, #wp-link #link-selector' ).on( 'scroll', function() { |
---|
632 | self.maybeLoad(); |
---|
633 | }); |
---|
634 | element.on( 'click', 'li', function( event ) { |
---|
635 | self.select( $( this ), event ); |
---|
636 | }); |
---|
637 | }; |
---|
638 | |
---|
639 | $.extend( River.prototype, { |
---|
640 | refresh: function() { |
---|
641 | this.deselect(); |
---|
642 | this.visible = this.element.is( ':visible' ); |
---|
643 | }, |
---|
644 | show: function() { |
---|
645 | if ( ! this.visible ) { |
---|
646 | this.deselect(); |
---|
647 | this.element.show(); |
---|
648 | this.visible = true; |
---|
649 | } |
---|
650 | }, |
---|
651 | hide: function() { |
---|
652 | this.element.hide(); |
---|
653 | this.visible = false; |
---|
654 | }, |
---|
655 | // Selects a list item and triggers the river-select event. |
---|
656 | select: function( li, event ) { |
---|
657 | var liHeight, elHeight, liTop, elTop; |
---|
658 | |
---|
659 | if ( li.hasClass( 'unselectable' ) || li == this.selected ) |
---|
660 | return; |
---|
661 | |
---|
662 | this.deselect(); |
---|
663 | this.selected = li.addClass( 'selected' ); |
---|
664 | // Make sure the element is visible. |
---|
665 | liHeight = li.outerHeight(); |
---|
666 | elHeight = this.element.height(); |
---|
667 | liTop = li.position().top; |
---|
668 | elTop = this.element.scrollTop(); |
---|
669 | |
---|
670 | if ( liTop < 0 ) // Make first visible element. |
---|
671 | this.element.scrollTop( elTop + liTop ); |
---|
672 | else if ( liTop + liHeight > elHeight ) // Make last visible element. |
---|
673 | this.element.scrollTop( elTop + liTop - elHeight + liHeight ); |
---|
674 | |
---|
675 | // Trigger the river-select event. |
---|
676 | this.element.trigger( 'river-select', [ li, event, this ] ); |
---|
677 | }, |
---|
678 | deselect: function() { |
---|
679 | if ( this.selected ) |
---|
680 | this.selected.removeClass( 'selected' ); |
---|
681 | this.selected = false; |
---|
682 | }, |
---|
683 | prev: function() { |
---|
684 | if ( ! this.visible ) |
---|
685 | return; |
---|
686 | |
---|
687 | var to; |
---|
688 | if ( this.selected ) { |
---|
689 | to = this.selected.prev( 'li' ); |
---|
690 | if ( to.length ) |
---|
691 | this.select( to ); |
---|
692 | } |
---|
693 | }, |
---|
694 | next: function() { |
---|
695 | if ( ! this.visible ) |
---|
696 | return; |
---|
697 | |
---|
698 | var to = this.selected ? this.selected.next( 'li' ) : $( 'li:not(.unselectable):first', this.element ); |
---|
699 | if ( to.length ) |
---|
700 | this.select( to ); |
---|
701 | }, |
---|
702 | ajax: function( callback ) { |
---|
703 | var self = this, |
---|
704 | delay = this.query.page == 1 ? 0 : wpLink.minRiverAJAXDuration, |
---|
705 | response = wpLink.delayedCallback( function( results, params ) { |
---|
706 | self.process( results, params ); |
---|
707 | if ( callback ) |
---|
708 | callback( results, params ); |
---|
709 | }, delay ); |
---|
710 | |
---|
711 | this.query.ajax( response ); |
---|
712 | }, |
---|
713 | change: function( search ) { |
---|
714 | if ( this.query && this._search == search ) |
---|
715 | return; |
---|
716 | |
---|
717 | this._search = search; |
---|
718 | this.query = new Query( search ); |
---|
719 | this.element.scrollTop( 0 ); |
---|
720 | }, |
---|
721 | process: function( results, params ) { |
---|
722 | var list = '', alt = true, classes = '', |
---|
723 | firstPage = params.page == 1; |
---|
724 | |
---|
725 | if ( ! results ) { |
---|
726 | if ( firstPage ) { |
---|
727 | list += '<li class="unselectable no-matches-found"><span class="item-title"><em>' + |
---|
728 | wpLinkL10n.noMatchesFound + '</em></span></li>'; |
---|
729 | } |
---|
730 | } else { |
---|
731 | $.each( results, function() { |
---|
732 | classes = alt ? 'alternate' : ''; |
---|
733 | classes += this.title ? '' : ' no-title'; |
---|
734 | list += classes ? '<li class="' + classes + '">' : '<li>'; |
---|
735 | list += '<input type="hidden" class="item-permalink" value="' + this.permalink + '" />'; |
---|
736 | list += '<span class="item-title">'; |
---|
737 | list += this.title ? this.title : wpLinkL10n.noTitle; |
---|
738 | list += '</span><span class="item-info">' + this.info + '</span></li>'; |
---|
739 | alt = ! alt; |
---|
740 | }); |
---|
741 | } |
---|
742 | |
---|
743 | this.ul[ firstPage ? 'html' : 'append' ]( list ); |
---|
744 | }, |
---|
745 | maybeLoad: function() { |
---|
746 | var self = this, |
---|
747 | el = this.element, |
---|
748 | bottom = el.scrollTop() + el.height(); |
---|
749 | |
---|
750 | if ( ! this.query.ready() || bottom < this.contentHeight.height() - wpLink.riverBottomThreshold ) |
---|
751 | return; |
---|
752 | |
---|
753 | setTimeout(function() { |
---|
754 | var newTop = el.scrollTop(), |
---|
755 | newBottom = newTop + el.height(); |
---|
756 | |
---|
757 | if ( ! self.query.ready() || newBottom < self.contentHeight.height() - wpLink.riverBottomThreshold ) |
---|
758 | return; |
---|
759 | |
---|
760 | self.waiting.addClass( 'is-active' ); |
---|
761 | el.scrollTop( newTop + self.waiting.outerHeight() ); |
---|
762 | |
---|
763 | self.ajax( function() { |
---|
764 | self.waiting.removeClass( 'is-active' ); |
---|
765 | }); |
---|
766 | }, wpLink.timeToTriggerRiver ); |
---|
767 | } |
---|
768 | }); |
---|
769 | |
---|
770 | Query = function( search ) { |
---|
771 | this.page = 1; |
---|
772 | this.allLoaded = false; |
---|
773 | this.querying = false; |
---|
774 | this.search = search; |
---|
775 | }; |
---|
776 | |
---|
777 | $.extend( Query.prototype, { |
---|
778 | ready: function() { |
---|
779 | return ! ( this.querying || this.allLoaded ); |
---|
780 | }, |
---|
781 | ajax: function( callback ) { |
---|
782 | var self = this, |
---|
783 | query = { |
---|
784 | action : 'wp-link-ajax', |
---|
785 | page : this.page, |
---|
786 | '_ajax_linking_nonce' : inputs.nonce.val() |
---|
787 | }; |
---|
788 | |
---|
789 | if ( this.search ) |
---|
790 | query.search = this.search; |
---|
791 | |
---|
792 | this.querying = true; |
---|
793 | |
---|
794 | $.post( window.ajaxurl, query, function( r ) { |
---|
795 | self.page++; |
---|
796 | self.querying = false; |
---|
797 | self.allLoaded = ! r; |
---|
798 | callback( r, query ); |
---|
799 | }, 'json' ); |
---|
800 | } |
---|
801 | }); |
---|
802 | |
---|
803 | $( wpLink.init ); |
---|
804 | })( jQuery, window.wpLinkL10n, window.wp ); |
---|