js/app.clipboard.js

   1 /*jslint devel: true*/
   2 /*global $*/
   3
   4 /**
   5  * @class Config
   6  */
   7 function Clipboard() {
   8         'use strict';
   9         this.mode = this.INACTIVE_MODE;
  10 }
  11
  12 (function () { // strict mode wrapper
  13         'use strict';
  14         Clipboard.prototype = {
  15                 /**
  16                  * Clipboard mode for copying
  17                  */
  18                 COPY_MODE_ID: 0,
  19
  20                 /**
  21                  * Clipboard mode for moving
  22                  */
  23                 MOVE_MODE_ID: 1,
  24
  25                 /**
  26                  * Clipbboard inactive mode
  27                  */
  28                 INACTIVE_MODE: -1,
  29
  30                 /**
  31                  * Clipboard data
  32                  */
  33                 data: [],
  34
  35                 /**
  36                  * Clipboard mode: [copy | move | inactive]
  37                  */
  38                 mode: undefined,
  39
  40                 /**
  41                  * Returns all paths in clipboard
  42                  * @returns {array}
  43                  */
  44                 get: function Clipboard_get() {
  45                         return this.data;
  46                 },
  47
  48                 /**
  49                  * Add new path to clipboard
  50                  * @param {array} paths aray of full paths
  51                  * @returns {number} current length of clipboard objects
  52                  */
  53                 add: function Clipboard_add(paths) {
  54                         var len = paths.length,
  55                                 i;
  56
  57                         // clear clipboard
  58                         this.clear();
  59                         for (i = 0; i < len; i += 1) {
  60                                 if (this.has(paths[i]) === false) {
  61                                         this.data.push(paths[i]);
  62                                 }
  63                         }
  64
  65                         return this.data.length;
  66                 },
  67
  68                 /**
  69                  * Checks if specified path is already in clipboard
  70                  * @param {string} path full path
  71                  * @returns {boolean}
  72                  */
  73                 has: function Clipboard_has(path) {
  74                         return $.inArray(path, this.data) === -1 ? false : true;
  75                 },
  76
  77                 /**
  78                  * Clears all clipboard data and resets clipboard mode
  79                  */
  80                 clear: function Clipboard_clear() {
  81                         this.data = [];
  82                         this.mode = this.INACTIVE_MODE;
  83                 },
  84
  85                 /**
  86                  * Sets clipboard mode
  87                  * @param {number} mode
  88                  * @returns {boolean}
  89                  */
  90                 setMode: function Clipboard_setMode(mode) {
  91                         if ($.inArray(mode, [this.MOVE_MODE_ID, this.COPY_MODE_ID]) === false) {
  92                                 console.error('Incorrect clipboard mode');
  93                                 return false;
  94                         }
  95                         this.mode = mode;
  96                         return true;
  97                 },
  98
  99                 /**
 100                  * @returns {number} mode Clipboard mode
 101                  */
 102                 getMode: function Clipboard_getMode() {
 103                         return this.mode;
 104                 },
 105
 106                 /**
 107                  * @returns {boolean}
 108                  */
 109                 isEmpty: function Clipboard_isEmpty() {
 110                         return this.data.length === 0;
 111                 }
 112         };
 113 }());