source: [view]
define("dojox/calc/GraphPro", ["dojo", "dojox/calc/Standard", "dijit/dijit", "dijit/form/ComboBox", "dijit/form/Select", "dijit/form/CheckBox", "dijit/ColorPalette", "dojox/charting/Chart2D", "dojox/calc/Grapher", "dojox/layout/FloatingPane", "dojox/charting/themes/Tufte", "dojo/colors"], function(dojo) {
dojo.experimental("dojox.calc.GraphPro");
dojo.declare(
"dojox.calc.GraphPro",
dojox.calc.Standard,
{
// summary:
// The dialog widget for a graphing, scientific calculator
//
templateString: dojo.cache("dojox.calc", "templates/GraphPro.html"),
grapher:null,
funcMaker:null,
aFloatingPane: null,
executorLoaded: function(){
// summary
// when executor loads check to see if the writestore is there
this.inherited(arguments);
dojo.addOnLoad(dojo.hitch(this, function(){
if(this.writeStore == null && "functionMakerButton" in this){
dojo.style(this.functionMakerButton.domNode, { visibility: "hidden" });
}
}));
},
makeFunctionWindow: function(){
// summary
// use this function to create a function window (with the button on the layout)
var body = dojo.body();
var pane = dojo.create('div');
body.appendChild(pane);
this.aFloatingPane = new dojox.layout.FloatingPane({resizable:false, dockable:true, maxable:false, closable:true, duration:300, title:"Function Window", style:"position:absolute;left:10em;top:10em;width:50em;"}, pane);
var that = this;
var d = dojo.create("div");
this.funcMaker = new dojox.calc.FuncGen({
writeStore:that.writeStore,
readStore:that.readStore,
functions:that.functions,
deleteFunction: that.executor.deleteFunction,
onSaved:function(){
var name,
body;
if((name = this.combo.get("value")) == ""){
this.status.set("value", "The function needs a name");
}else if ((body = this.textarea.get("value")) == ""){
// i don't think users need empty functions for math
this.status.set("value", "The function needs a body");
}else{
var args = this.args.get("value");
if(!(name in this.functions)){
this.combo.item = this.writeStore.newItem({name: name, args: args, body: body});
this.writeStore.save();
}
this.saveFunction(name, args, body);
this.status.set("value", "Function "+name+" was saved");
}
},
saveFunction: dojo.hitch(that, that.saveFunction)
}, d);
this.aFloatingPane.set('content', this.funcMaker);
this.aFloatingPane.startup();
this.aFloatingPane.bringToTop();
},
makeGrapherWindow: function(){
// summary
// use this to make a Grapher window appear with a button
var body = dojo.body();
var pane = dojo.create('div');
body.appendChild(pane);
this.aFloatingPane = new dojox.layout.FloatingPane({resizable:false, dockable:true, maxable:false, closable:true, duration:300, title:"Graph Window", style:"position:absolute;left:10em;top:5em;width:50em;"}, pane);
var that = this;
var d = dojo.create("div");
this.grapher = new dojox.calc.Grapher({
myPane: this.aFloatingPane,
drawOne: function(i){
this.array[i][this.chartIndex].resize(this.graphWidth.get("value"), this.graphHeight.get("value"));
this.array[i][this.chartIndex].axes["x"].max = this.graphMaxX.get('value');
if(this.array[i][this.expressionIndex].get("value")==""){
this.setStatus(i, "Error");
return;
}
var func;
var yEquals = (this.array[i][this.functionMode]=="y=");
if(this.array[i][this.expressionIndex].get("value")!=this.array[i][this.evaluatedExpression]){
var args = 'x';
if(!yEquals){
args = 'y';
}
func = that.executor.Function('', args, "return "+this.array[i][this.expressionIndex].get('value'));
this.array[i][this.evaluatedExpression] = this.array[i][this.expressionIndex].value;
this.array[i][this.functionRef] = func;
}
else{
func = this.array[i][this.functionRef];
}
var pickedColor = this.array[i][this.colorIndex].get("value");
if(!pickedColor){
pickedColor = 'black';
}
dojox.calc.Grapher.draw(this.array[i][this.chartIndex], func, {graphNumber:this.array[i][this.funcNumberIndex], fOfX:yEquals, color:{stroke:{color:pickedColor}}});
this.setStatus(i, "Drawn");
},
onDraw:function(){
for(var i = 0; i < this.rowCount; i++){
if((!this.dirty && this.array[i][this.checkboxIndex].get("checked")) || (this.dirty && this.array[i][this.statusIndex].innerHTML=="Drawn")){
this.drawOne(i);
}else{
this.array[i][this.chartIndex].resize(this.graphWidth.get("value"), this.graphHeight.get("value"));
this.array[i][this.chartIndex].axes["x"].max = this.graphMaxX.get('value');
}
}
var bufferY = dojo.position(this.outerDiv).y-dojo.position(this.myPane.domNode).y;
bufferY*=2;
bufferY=Math.abs(bufferY);
var height = "" + Math.max(parseInt(this.graphHeight.get('value'))+50, this.outerDiv.scrollHeight+bufferY);
var width = "" + (parseInt(this.graphWidth.get('value')) + this.outerDiv.scrollWidth);
this.myPane.resize({w:width, h:height});
}
}, d);
this.aFloatingPane.set('content', this.grapher);
this.aFloatingPane.startup();
this.aFloatingPane.bringToTop();