63 lines
2.1 KiB
JavaScript
63 lines
2.1 KiB
JavaScript
/**
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* @file Plugin to count symbols, symbols without blanks and words
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*/
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( function(){
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var emptyHtml = '<span class="cke_empty"> </span>';
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CKEDITOR.plugins.add( 'counter',
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{
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init : function( editor )
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{
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var spaceId = 'cke_counter_' + editor.name;
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var spaceElement;
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var ckeditorEventThemeSpace = 'uiSpace';
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var getSpaceElement = function()
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{
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if ( !spaceElement )
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spaceElement = CKEDITOR.document.getById( spaceId );
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return spaceElement;
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};
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if (Drupal.ckeditor_ver == 3) {
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ckeditorEventThemeSpace = 'themeSpace';
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}
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editor.on( ckeditorEventThemeSpace, function( event )
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{
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if ( event.data.space == 'bottom' )
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{
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event.data.html +=
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'<span id="' + spaceId + '_label" class="cke_voice_label">Counter</span>' +
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'<div id="' + spaceId + '" class="cke_counter" role="group" aria-labelledby="' + spaceId + '_label">' + emptyHtml + '</div>';
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}
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});
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function count( ev )
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{
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var space = getSpaceElement();
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var text = ev.editor.getData();
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// decode HTML entities; it also removes HTML tags, but works only if jQuery is available
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text = jQuery('<div/>').html(text).text();
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// remove all redundant blank symbols
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text = text.replace(new RegExp('\\s+', 'g'), ' ');
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// remove all blank symbols at the start and at the end
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text = text.replace(new RegExp('(^\\s+)|(\\s+$)', 'g'), '');
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var symbols = text.length;
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var words = text.split(' ').length;
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//remove all blank symbols
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text = text.replace(new RegExp('\\s+', 'g'), '');
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var symbols_wo_blanks = text.length;
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space.setHtml( '<span class="cke_counter" style="float: right">' + symbols + ' / ' + symbols_wo_blanks + ' symbols; ' + words + ' words</span>' );
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}
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editor.on( 'dataReady', count );
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editor.on( 'blur', count );
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editor.on( 'focus', count );
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// Almost useless
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//editor.on( 'saveSnapshot', count );
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// Requires too much resources
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//editor.on( 'key', count );
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}
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});
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})();
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