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AriaNg/src/scripts/directives/pieceMap.js

63 lines
2.3 KiB
JavaScript

(function () {
'use strict';
angular.module('ariaNg').directive('ngPieceMap', ['aria2TaskService', function (aria2TaskService) {
return {
restrict: 'E',
template: '<div class="piece-map"></div>',
replace: true,
scope: {
bitField: '=',
pieceCount: '='
},
link: function (scope, element) {
var pieces = [];
var currentPieceStatus = [];
var redraw = function () {
currentPieceStatus = aria2TaskService.getPieceStatus(scope.bitField, scope.pieceCount);
pieces.length = 0;
element.empty();
var pieceCount = Math.max(1, currentPieceStatus.length);
for (var i = 0; i < pieceCount; i++) {
var piece = angular.element('<div class="piece' + (currentPieceStatus[i] ? ' piece-completed' : '') + '"></div>');
pieces.push(piece);
element.append(piece);
}
};
var refresh = function () {
var newPieceStatus = aria2TaskService.getPieceStatus(scope.bitField, scope.pieceCount);
if (!currentPieceStatus || !newPieceStatus || currentPieceStatus.length !== newPieceStatus.length || newPieceStatus.length !== pieces.length) {
redraw();
return;
}
for (var i = 0; i < pieces.length; i++) {
if (currentPieceStatus[i] !== newPieceStatus[i]) {
if (newPieceStatus[i]) {
pieces[i].addClass('piece-completed');
} else {
pieces[i].removeClass('piece-completed');
}
}
}
currentPieceStatus = newPieceStatus;
};
scope.$watch('bitField', function () {
refresh();
});
scope.$watch('pieceCount', function () {
redraw();
});
}
};
}]);
}());