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-rw-r--r--examples/declarative/demos/calculator/qml/calculator/CalculatorCore/calculator.js91
1 files changed, 91 insertions, 0 deletions
diff --git a/examples/declarative/demos/calculator/qml/calculator/CalculatorCore/calculator.js b/examples/declarative/demos/calculator/qml/calculator/CalculatorCore/calculator.js
new file mode 100644
index 00000000..7c363c7f
--- /dev/null
+++ b/examples/declarative/demos/calculator/qml/calculator/CalculatorCore/calculator.js
@@ -0,0 +1,91 @@
+
+var curVal = 0
+var memory = 0
+var lastOp = ""
+var timer = 0
+
+function disabled(op) {
+ if (op == "." && display.text.toString().search(/\./) != -1) {
+ return true
+ } else if (op == squareRoot && display.text.toString().search(/-/) != -1) {
+ return true
+ } else {
+ return false
+ }
+}
+
+function doOperation(op) {
+ if (disabled(op)) {
+ return
+ }
+
+ if (op.toString().length==1 && ((op >= "0" && op <= "9") || op==".") ) {
+ if (display.text.toString().length >= 14)
+ return; // No arbitrary length numbers
+ if (lastOp.toString().length == 1 && ((lastOp >= "0" && lastOp <= "9") || lastOp == ".") ) {
+ display.text = display.text + op.toString()
+ } else {
+ display.text = op
+ }
+ lastOp = op
+ return
+ }
+ lastOp = op
+
+ if (display.currentOperation.text == "+") {
+ display.text = Number(display.text.valueOf()) + Number(curVal.valueOf())
+ } else if (display.currentOperation.text == "-") {
+ display.text = Number(curVal) - Number(display.text.valueOf())
+ } else if (display.currentOperation.text == multiplication) {
+ display.text = Number(curVal) * Number(display.text.valueOf())
+ } else if (display.currentOperation.text == division) {
+ display.text = Number(Number(curVal) / Number(display.text.valueOf())).toString()
+ } else if (display.currentOperation.text == "=") {
+ }
+
+ if (op == "+" || op == "-" || op == multiplication || op == division) {
+ display.currentOperation.text = op
+ curVal = display.text.valueOf()
+ return
+ }
+
+ curVal = 0
+ display.currentOperation.text = ""
+
+ if (op == "1/x") {
+ display.text = (1 / display.text.valueOf()).toString()
+ } else if (op == "x^2") {
+ display.text = (display.text.valueOf() * display.text.valueOf()).toString()
+ } else if (op == "Abs") {
+ display.text = (Math.abs(display.text.valueOf())).toString()
+ } else if (op == "Int") {
+ display.text = (Math.floor(display.text.valueOf())).toString()
+ } else if (op == plusminus) {
+ display.text = (display.text.valueOf() * -1).toString()
+ } else if (op == squareRoot) {
+ display.text = (Math.sqrt(display.text.valueOf())).toString()
+ } else if (op == "mc") {
+ memory = 0;
+ } else if (op == "m+") {
+ memory += display.text.valueOf()
+ } else if (op == "mr") {
+ display.text = memory.toString()
+ } else if (op == "m-") {
+ memory = display.text.valueOf()
+ } else if (op == leftArrow) {
+ display.text = display.text.toString().slice(0, -1)
+ if (display.text.length == 0) {
+ display.text = "0"
+ }
+ } else if (op == "Off") {
+ Qt.quit();
+ } else if (op == "C") {
+ display.text = "0"
+ } else if (op == "AC") {
+ curVal = 0
+ memory = 0
+ lastOp = ""
+ display.text ="0"
+ }
+}
+