/**
 * Defines the icon images used in the {@link Common.view.DocumentItem} class
 *
 * @since 21.3
 * @author Jeff Martin
 * @singleton
 */
Ext.define('Common.util.IconData', {
    singleton: true,

    iconData: {
        // 32x32 PDF icon .png file. Copied from http://www.adobe.com/legal/permissions/icons-web-logos.html
        pdf: 'iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAAOkklEQVR42uVbe2wcxRn/Zu99vjv7 bJ/t2Gc7wUlaGlKSAIGgtpRWSFVVKVBa0UAfREgU0Ra1EEgr1NilLQ2iEn9QpX8UEESlQlVIX+KV Vq0IFWpIimhS7CSO33Yc23Fi+3x3tu9upzO7O7vf7O45TrxRWnXhsruzuzPz/b73N2MC/+cHudIT uNKHZwD09PRE2Om+ubm5e6urq69TFOVK0wZz8wv3t7Y0/8oTAI4ePUYCAT8EAkHw+31AiPYpKRSL 6YWFhUcj4fB97D6SrK6GQDDEnhDxDhuEXxtnhQCl1BqYP2D3FE2If0eNNn4G7QzafalU0s78Hf4u NZ6xbkFlFyWVal2G/H6YGD/T0dLc/CNPAOjq6iJ+1in/+Xw+mJqa8jMu74hGo49XVVVVFAoFKLLJ xWJxBlKAEaqY3WvEm2AYDQZVol0QzO8UDSRGrKqaYIj3eJtOsH6vUp1gRjeoqg6sj33v9ylw5gwH IO0NACdPniQ+DgAjnhFblc1m99XV1X0mFAppgEyeOweJRAKCjPuBYNDgkM55TpiCCOUECq4SNBOD 2UIoJMLFwds4saK5WFI1EPj7fh8xx/EpHIDRjua0RwAwHSec0IWFQmxuLv/XVCp1fZARytu4WGYy s5CoTEAoFNYkwGC1KaZ4IDF5glop+he/rYNBTXDsaqFSSyI454XEcJC5BKSbmrwBoK+vjyg+Hxk7 c+bX6XR6myCeq8TMzIx2Ha2IgWhHUi4PSPA1urGjZOM6BkC0iQYuAT4m8vhzDsgokwDPAOjv71dO nz59ByN+XzgcBmwPzjHxj0SiEI5ENACAkLId2wHA79n5L2GnGUFqGkNdfwxjaagK7o8DwCWgqanR 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        // 64x64 .png file
        word: '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        // 64x64 .png file
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    },

    /**
     * Returns the icon image for the provided file extension
     * @param {String} fileExtension
     * @returns {String} The icon data in base64 format
     */
    getIconForFileType: function(fileExtension) {

        if(!fileExtension) {
            return this.iconData.file;
        }

        if(fileExtension.indexOf('.doc') !== -1) {
            return this.iconData.word;
        }
        if(fileExtension.indexOf('.pdf') !== -1) {
            return this.iconData.pdf;
        }
        if(fileExtension.indexOf('.xls') !== -1) {
            return this.iconData.excel;
        }

        return this.iconData.file;
    }

});