mirror of
https://github.com/RetroShare/RetroShare.git
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265 lines
7.2 KiB
JavaScript
265 lines
7.2 KiB
JavaScript
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//! [0]
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function Plugin(ui)
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{
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this.ui = ui;
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this.pendingAdditiveOperator = "";
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this.pendingMultiplicativeOperator = "";
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this.sumInMemory = 0;
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this.sumSoFar = 0;
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this.factorSoFar = 0;
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this.waitingForOperand = true;
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with (ui) {
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display.text = "0";
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zeroButton.clicked.connect(this, this.digitClicked);
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oneButton.clicked.connect(this, "digitClicked");
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twoButton.clicked.connect(this, "digitClicked");
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threeButton.clicked.connect(this, "digitClicked");
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fourButton.clicked.connect(this, "digitClicked");
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fiveButton.clicked.connect(this, "digitClicked");
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sixButton.clicked.connect(this, "digitClicked");
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sevenButton.clicked.connect(this, "digitClicked");
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eightButton.clicked.connect(this, "digitClicked");
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nineButton.clicked.connect(this, "digitClicked");
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pointButton.clicked.connect(this, "pointClicked");
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changeSignButton.clicked.connect(this, "changeSignClicked");
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backspaceButton.clicked.connect(this, "backspaceClicked");
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clearButton.clicked.connect(this, "clear");
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clearAllButton.clicked.connect(this, "clearAll");
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clearMemoryButton.clicked.connect(this, "clearMemory");
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readMemoryButton.clicked.connect(this, "readMemory");
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setMemoryButton.clicked.connect(this, "setMemory");
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addToMemoryButton.clicked.connect(this, "addToMemory");
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divisionButton.clicked.connect(this, "multiplicativeOperatorClicked");
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timesButton.clicked.connect(this, "multiplicativeOperatorClicked");
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minusButton.clicked.connect(this, "additiveOperatorClicked");
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plusButton.clicked.connect(this, "additiveOperatorClicked");
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squareRootButton.clicked.connect(this, "unaryOperatorClicked");
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powerButton.clicked.connect(this, "unaryOperatorClicked");
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reciprocalButton.clicked.connect(this, "unaryOperatorClicked");
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equalButton.clicked.connect(this, "equalClicked");
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}
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}
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//! [0]
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Plugin.prototype.abortOperation = function()
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{
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this.clearAll();
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this.ui.display.text = "####";
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}
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Plugin.prototype.calculate = function(rightOperand, pendingOperator)
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{
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if (pendingOperator == "+") {
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this.sumSoFar += rightOperand;
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} else if (pendingOperator == "-") {
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this.sumSoFar -= rightOperand;
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} else if (pendingOperator == "*") {
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this.factorSoFar *= rightOperand;
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} else if (pendingOperator == "/") {
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if (rightOperand == 0)
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return false;
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this.factorSoFar /= rightOperand;
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}
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return true;
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}
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//! [1]
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Plugin.prototype.digitClicked = function()
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{
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var digitValue = __qt_sender__.text - 0;
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if ((digitValue == 0) && (this.ui.display.text == "0"))
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return;
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if (this.waitingForOperand) {
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this.ui.display.clear();
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this.waitingForOperand = false;
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}
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this.ui.display.text += digitValue;
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}
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//! [1]
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Plugin.prototype.unaryOperatorClicked = function()
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{
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var operand = this.ui.display.text - 0;
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var result = 0;
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if (__qt_sender__.text == "Sqrt") {
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if (operand < 0) {
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this.abortOperation();
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return;
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}
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result = Math.sqrt(operand);
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} else if (__qt_sender__.text == "x^2") {
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result = Math.pow(operand, 2);
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} else if (__qt_sender__.text == "1/x") {
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if (operand == 0.0) {
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this.abortOperation();
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return;
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}
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result = 1 / operand;
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}
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this.ui.display.text = result + "";
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this.waitingForOperand = true;
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}
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Plugin.prototype.additiveOperatorClicked = function()
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{
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var operand = this.ui.display.text - 0;
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if (this.pendingMultiplicativeOperator.length != 0) {
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if (!this.calculate(operand, this.pendingMultiplicativeOperator)) {
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this.abortOperation();
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return;
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}
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this.ui.display.text = this.factorSoFar + "";
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operand = this.factorSoFar;
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this.factorSoFar = 0;
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this.pendingMultiplicativeOperator = "";
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}
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if (this.pendingAdditiveOperator.length != 0) {
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if (!this.calculate(operand, this.pendingAdditiveOperator)) {
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this.abortOperation();
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return;
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}
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this.ui.display.text = this.sumSoFar + "";
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} else {
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this.sumSoFar = operand;
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}
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this.pendingAdditiveOperator = __qt_sender__.text;
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this.waitingForOperand = true;
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}
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Plugin.prototype.multiplicativeOperatorClicked = function()
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{
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var operand = this.ui.display.text - 0;
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if (this.pendingMultiplicativeOperator.length != 0) {
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if (!this.calculate(operand, this.pendingMultiplicativeOperator)) {
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this.abortOperation();
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return;
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}
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this.ui.display.text = this.factorSoFar + "";
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} else {
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this.factorSoFar = operand;
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}
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this.pendingMultiplicativeOperator = __qt_sender__.text;
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this.waitingForOperand = true;
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}
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Plugin.prototype.equalClicked = function()
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{
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var operand = this.ui.display.text - 0;
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if (this.pendingMultiplicativeOperator.length != 0) {
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if (!this.calculate(operand, this.pendingMultiplicativeOperator)) {
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this.abortOperation();
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return;
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}
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operand = this.factorSoFar;
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this.factorSoFar = 0.0;
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this.pendingMultiplicativeOperator = "";
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}
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if (this.pendingAdditiveOperator.length != 0) {
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if (!this.calculate(operand, this.pendingAdditiveOperator)) {
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this.abortOperation();
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return;
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}
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this.pendingAdditiveOperator = "";
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} else {
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this.sumSoFar = operand;
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}
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this.ui.display.text = this.sumSoFar + "";
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this.sumSoFar = 0.0;
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this.waitingForOperand = true;
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}
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Plugin.prototype.pointClicked = function()
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{
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if (this.waitingForOperand)
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this.ui.display.text = "0";
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if (this.ui.display.text.indexOf(".") == -1)
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this.ui.display.text += ".";
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this.waitingForOperand = false;
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}
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//! [2]
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Plugin.prototype.changeSignClicked = function()
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{
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var text = this.ui.display.text;
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var value = text - 0;
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if (value > 0) {
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text = "-" + text;
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} else if (value < 0) {
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text = text.slice(1);
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}
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this.ui.display.text = text;
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}
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//! [2]
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Plugin.prototype.backspaceClicked = function()
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{
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if (this.waitingForOperand)
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return;
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var text = this.ui.display.text;
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text = text.slice(0, -1);
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if (text.length == 0) {
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text = "0";
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this.waitingForOperand = true;
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}
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this.ui.display.text = text;
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}
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Plugin.prototype.clear = function()
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{
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if (this.waitingForOperand)
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return;
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this.ui.display.text = "0";
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this.waitingForOperand = true;
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}
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Plugin.prototype.clearAll = function()
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{
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this.sumSoFar = 0.0;
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this.factorSoFar = 0.0;
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this.pendingAdditiveOperator = "";
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this.pendingMultiplicativeOperator = "";
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this.ui.display.text = "0";
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this.waitingForOperand = true;
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}
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Plugin.prototype.clearMemory = function()
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{
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this.sumInMemory = 0.0;
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}
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Plugin.prototype.readMemory = function()
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{
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this.ui.display.text = this.sumInMemory + "";
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this.waitingForOperand = true;
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}
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Plugin.prototype.setMemory = function()
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{
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this.equalClicked();
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this.sumInMemory = this.ui.display.text - 0;
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}
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Plugin.prototype.addToMemory = function()
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{
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this.equalClicked();
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this.sumInMemory += this.ui.display.text - 0;
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}
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