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define(["sugar-web/graphics/palette", "mustache"],
function(palette, mustache) {
var algebrapalette = {};
var isIos = (navigator.userAgent.match(/iPad|iPhone|iPod/g) ? true : false)
algebrapalette.algebraPalette = function(invoker, primaryText) {
palette.Palette.call(this, invoker, primaryText);
this.algebraChangeEvent = document.createEvent("CustomEvent");
this.algebraChangeEvent.initCustomEvent('algebraClick', true, true, {});
this.template =
'<tbody>' +
'{{#rows}}' +
'<tr>' +
'{{#.}}' +
'<td>' +
'<button style="background:none; border-radius:0px; border:0px; margin:3px; width:55px; height:55px; background-image: url({{backgroundSvg}})" value="{{value}}"></button>' +
'</td>' +
'{{/.}}' +
'</tr>' +
'{{/rows}}' +
'</tbody>';
var algebraElem = document.createElement('table');
algebraElem.className = "algebras";
var algebraData = {
rows: [
[{
title: "EXP",
value: "exp(",
backgroundSvg: "icons/algebra-exp.svg"
}, {
title: "LN",
value: "log(",
backgroundSvg: "icons/algebra-ln.svg"
}, {
title: "SQRT",
value: "sqrt(",
backgroundSvg: "icons/algebra-sqrt.svg"
}],
[{
title: "X",
value: "x",
backgroundSvg: "icons/algebra-x.svg"
}, {
title: "POW",
value: "^",
backgroundSvg: "icons/algebra-xpowy.svg"
}, {
title: "PI",
value: "3.14159",
backgroundSvg: "icons/constants-pi.svg"
}],
[{
title: "F(X)",
value: "f(x)=",
backgroundSvg: "icons/plot.svg"
}]
]
};
algebraElem.innerHTML = mustache.render(this.template, algebraData);
this.setContent([algebraElem]);
// Pop-down the palette when a item in the menu is clicked.
this.buttons = algebraElem.querySelectorAll('button');
var that = this;
function popDownOnButtonClick(event) {
that.algebraChangeEvent.detail.value = event.target.value;
that.getPalette().dispatchEvent(that.algebraChangeEvent);
that.popDown();
}
for (var i = 0; i < this.buttons.length; i++) {
if (isIos) {
this.buttons[i].addEventListener('touchstart', popDownOnButtonClick);
} else {
this.buttons[i].addEventListener('click', popDownOnButtonClick);
}
}
};
var setColor = function(index) {
// Click the nth button
var event = document.createEvent("MouseEvents");
event.initEvent("click", true, true);
this.buttons[index].dispatchEvent(event);
};
var addEventListener = function(type, listener, useCapture) {
return this.getPalette().addEventListener(type, listener, useCapture);
};
algebrapalette.algebraPalette.prototype =
Object.create(palette.Palette.prototype, {
setColor: {
value: setColor,
enumerable: true,
configurable: true,
writable: true
},
addEventListener: {
value: addEventListener,
enumerable: true,
configurable: true,
writable: true
}
});
return algebrapalette;
});