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/* ************************************************************************
Copyright:
License:
Authors:
************************************************************************ */
/* ************************************************************************
#asset(calculator/*)
************************************************************************ */
/**
* This is the main application class of your custom application "calculator"
*/
qx.Class.define("calculator.Application",
{
extend : qx.application.Standalone,
/*
*****************************************************************************
MEMBERS
*****************************************************************************
*/
members :
{
__edit: null,
__win: null,
__last: null,
__lastCmd: null,
__clear: false,
__rpc: null,
/**
* This method contains the initial application code and gets called
* during startup of the application
*
* @lint ignoreDeprecated(alert)
*/
main : function()
{
// Call super class
this.base(arguments);
// Enable logging in debug variant
if (qx.core.Variant.isSet("qx.debug", "on"))
{
// support native logging capabilities, e.g. Firebug for Firefox
qx.log.appender.Native;
// support additional cross-browser console. Press F7 to toggle visibility
qx.log.appender.Console;
}
/*
-------------------------------------------------------------------------
Below is your actual application code...
-------------------------------------------------------------------------
*/
// Document is the application root
var doc = this.getRoot();
doc.setBackgroundColor("#ffffff");
var back = new qx.ui.basic.Image("calculator/back.png");
back.setScale(true);
doc.add(back, {left:0, top: 0});
var win = new qx.ui.window.Window("Calculator");
this.__win = win;
doc.add(win, {left: 50, top: 50});
var winLayout = new qx.ui.layout.Grid();
winLayout.setSpacing(10);
win.setLayout(winLayout);
win.setShowStatusbar(true);
win.open();
this.__edit = new qx.ui.form.TextField();
this.__edit.setAppearance("calc-edit");
win.add(this.__edit, {row: 0, column: 0, colSpan: 5 });
this.__edit.setReadOnly(true);
var app = this;
var makeButton = function(text, r, c)
{
var button = new qx.ui.form.Button(text);
win.add(button, {row: r, column: c });
button.addListener("execute", function(e) {
this.__doKey(text);
}, app);
button.setAppearance("calc-button");
}
makeButton("1", 4, 0);
makeButton("2", 4, 1);
makeButton("3", 4, 2);
makeButton("4", 3, 0);
makeButton("5", 3, 1);
makeButton("6", 3, 2);
makeButton("7", 2, 0);
makeButton("8", 2, 1);
makeButton("9", 2, 2);
makeButton("0", 5, 0);
var clearButton = new qx.ui.form.Button("C");
win.add(clearButton, {row: 1, column: 0});
clearButton.addListener("execute", this.__clearAll, this);
clearButton.setAppearance("calc-button");
var makeOpp = function(text, func, r, c, span)
{
if (span == null)
span = 1;
var button = new qx.ui.form.Button(text);
win.add(button, {row: r, column: c, colSpan: span });
button.addListener("execute", function(e) {
app.__doExec(func);
}, app);
button.setAppearance("calc-button");
}
makeOpp("=", null, 1, 4);
makeOpp("+", "Add", 2, 4);
makeOpp("-", "Sub", 3, 4);
makeOpp("*", "Multiply", 4, 4);
makeOpp("/", "Divide", 5, 4);
this.__rpc = new qx.io.remote.Rpc("http://localhost:8080/rpc", "com.pengutronix.jdb.Calculator|/");
},
__doKey : function(key)
{
var value;
this.__win.setStatus("");
if (this.__clear) {
value = "";
this.__clear = false;
}
else {
value = this.__edit.getValue();
if (value == null)
value = "";
}
this.__edit.setValue(value + key);
},
__doExec : function(func)
{
this.__win.setStatus("");
var current = parseInt(this.__edit.getValue());
if (current == null)
current = 0;
if ((this.__last == null) || (this.__lastCmd == null)) {
this.__last = current;
}
else {
try {
this.__last = this.__rpc.callSync("com.pengutronix.jdb.Calculator." + this.__lastCmd,
"ii", this.__last, current);
this.__edit.setValue("" + this.__last);
}
catch (error) {
this.__clearAll();
this.__win.setStatus(error);
return;
}
}
this.__lastCmd = func;
this.__clear = true;
},
__clearAll : function()
{
this.__last = null;
this.__lastCmd = null;
this.__edit.setValue("");
}
}
});
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