open input amount as modal

src/js/controllers/modals/inputAmount.js

@@ -0,0 +1,150 @@
+'use strict';
+
+angular.module('copayApp.controllers').controller('inputAmountController', function($scope, lodash, configService, go, rateService) {
+  var unitToSatoshi;
+  var satToUnit;
+  var unitDecimals;
+  var self = $scope.self;
+
+  $scope.init = function() {
+    var config = configService.getSync().wallet.settings;
+    $scope.unitName = config.unitName;
+    $scope.alternativeIsoCode = config.alternativeIsoCode;
+    unitToSatoshi = config.unitToSatoshi;
+    satToUnit = 1 / unitToSatoshi;
+    unitDecimals = config.unitDecimals;
+    console.log($scope.showAlternativeAmount);
+    resetAmount();
+  };
+
+  $scope.toggleAlternative = function() {
+    $scope.showAlternativeAmount = !$scope.showAlternativeAmount;
+    var amount;
+
+    if ($scope.showAlternativeAmount) {
+      $scope.alternativeAmount = $scope.amountResult;
+      amount = processFormat($scope.amount);
+      $scope.alternativeResult = isOperator(lodash.last(amount)) ? evaluate(amount.slice(0, -1)) : evaluate(amount);
+    } else {
+      $scope.amount = $scope.alternativeResult;
+      amount = processFormat($scope.alternativeAmount);
+      $scope.amountResult = isOperator(lodash.last(amount)) ? evaluate(amount.slice(0, -1)) : evaluate(amount);
+    }
+  };
+
+  $scope.pushDigit = function(digit) {
+    var amount = $scope.showAlternativeAmount ? $scope.alternativeAmount : $scope.amount;
+
+    if (amount.toString().length >= 10) return;
+    if (amount == 0 && digit == 0) return;
+
+    var val = amount ? amount + digit : digit;
+    processAmount(val);
+  };
+
+  $scope.pushOperator = function(operator) {
+    if ($scope.showAlternativeAmount) {
+      if (!$scope.alternativeAmount || $scope.alternativeAmount.length == 0) return;
+      $scope.alternativeAmount = _pushOperator($scope.alternativeAmount);
+    } else {
+      if (!$scope.amount || $scope.amount.length == 0) return;
+      $scope.amount = _pushOperator($scope.amount);
+    }
+
+    function _pushOperator(val) {
+      if (!isOperator(lodash.last(val))) {
+        return val + operator;
+      } else {
+        return val.slice(0, -1) + operator;
+      }
+    };
+  };
+
+  function isOperator(val) {
+    var regex = /[\/\-\+\x\*]/;
+    var match = regex.exec(val);
+    if (match) return true;
+    return false;
+  };
+
+  $scope.removeDigit = function() {
+    var amount = $scope.showAlternativeAmount ? $scope.alternativeAmount : $scope.amount;
+
+    if (amount && amount.toString().length == 0) {
+      resetAmount();
+      return;
+    }
+
+    amount = amount.toString().slice(0, -1);
+
+    if ($scope.showAlternativeAmount)
+      $scope.alternativeAmount = amount;
+    else
+      $scope.amount = amount;
+
+    processAmount(amount);
+  };
+
+  function resetAmount() {
+    $scope.amount = $scope.alternativeAmount = $scope.alternativeResult = $scope.amountResult = 0;
+  };
+
+  function processAmount(val) {
+    if (!val) {
+      resetAmount();
+      return;
+    }
+
+    if ($scope.showAlternativeAmount) {
+      if ($scope.alternativeAmount == 0 && val == '.') {
+        $scope.alternativeAmount += val;
+      }
+    } else {
+      if ($scope.amount == 0 && val == '.') {
+        $scope.amount += val;
+      }
+    }
+
+    var formatedValue = processFormat(val);
+    var result = evaluate(formatedValue);
+
+    if (lodash.isNumber(result)) {
+      $scope.amount = $scope.alternativeAmount = val;
+      $scope.alternativeResult = parseFloat((rateService.fromFiat(result, $scope.alternativeIsoCode) * satToUnit).toFixed(unitDecimals), 10);
+      $scope.amountResult = parseFloat((rateService.toFiat(result * unitToSatoshi, $scope.alternativeIsoCode)).toFixed(2), 10);
+    }
+  };
+
+  function evaluate(val) {
+    var result;
+    try {
+      result = eval(val);
+    } catch (e) {
+      return null;
+    }
+    return result;
+  };
+
+  function processFormat(val) {
+    return val.toString().replace('x', '*');
+  };
+
+  $scope.save = function() {
+    if ($scope.showAlternativeAmount) {
+      if ($scope.alternativeResult == 0) return;
+
+      self.showAlternativeAmount = true;
+      self.setForm(null, $scope.alternativeResult, null);
+    } else {
+      if ($scope.amountResult == 0) return;
+
+      self.showAlternativeAmount = false;
+      self.setForm(null, $scope.amountResult, null);
+    }
+    $scope.cancel();
+  };
+
+  $scope.cancel = function() {
+    $scope.inputAmountModal.hide();
+  };
+});