gecko-dev/toolkit/content/widgets/numberbox.xml

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XML

<?xml version="1.0"?>
<!-- This Source Code Form is subject to the terms of the Mozilla Public
- License, v. 2.0. If a copy of the MPL was not distributed with this
- file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
<bindings id="numberboxBindings"
xmlns="http://www.mozilla.org/xbl"
xmlns:html="http://www.w3.org/1999/xhtml"
xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
xmlns:xbl="http://www.mozilla.org/xbl">
<binding id="numberbox"
extends="chrome://global/content/bindings/textbox.xml#textbox">
<resources>
<stylesheet src="chrome://global/skin/numberbox.css"/>
</resources>
<content>
<xul:hbox class="textbox-input-box numberbox-input-box" flex="1" xbl:inherits="context,disabled,focused">
<html:input class="numberbox-input textbox-input" anonid="input"
xbl:inherits="value,maxlength,disabled,size,readonly,placeholder,tabindex,accesskey"/>
</xul:hbox>
<xul:spinbuttons anonid="buttons" xbl:inherits="disabled,hidden=hidespinbuttons"/>
</content>
<implementation>
<field name="_valueEntered">false</field>
<field name="_spinButtons">null</field>
<field name="_value">0</field>
<field name="decimalSymbol">"."</field>
<property name="spinButtons" readonly="true">
<getter>
<![CDATA[
if (!this._spinButtons)
this._spinButtons = document.getAnonymousElementByAttribute(this, "anonid", "buttons");
return this._spinButtons;
]]>
</getter>
</property>
<property name="value" onget="return '' + this.valueNumber"
onset="return this.valueNumber = val;"/>
<property name="valueNumber">
<getter>
if (this._valueEntered) {
var newval = this.inputField.value;
newval = newval.replace(this.decimalSymbol, ".");
this._validateValue(newval, false);
}
return this._value;
</getter>
<setter>
this._validateValue(val, false);
return val;
</setter>
</property>
<property name="wrapAround">
<getter>
<![CDATA[
return (this.getAttribute('wraparound') == 'true')
]]>
</getter>
<setter>
<![CDATA[
if (val)
this.setAttribute('wraparound', 'true');
else
this.removeAttribute('wraparound');
this._enableDisableButtons();
return val;
]]>
</setter>
</property>
<property name="min">
<getter>
var min = this.getAttribute("min");
return min ? Number(min) : 0;
</getter>
<setter>
<![CDATA[
if (typeof val == "number") {
this.setAttribute("min", val);
if (this.valueNumber < val)
this._validateValue(val, false);
}
return val;
]]>
</setter>
</property>
<property name="max">
<getter>
var max = this.getAttribute("max");
return max ? Number(max) : Infinity;
</getter>
<setter>
<![CDATA[
if (typeof val != "number")
return val;
var min = this.min;
if (val < min)
val = min;
this.setAttribute("max", val);
if (this.valueNumber > val)
this._validateValue(val, false);
return val;
]]>
</setter>
</property>
<property name="decimalPlaces">
<getter>
var places = this.getAttribute("decimalplaces");
return places ? Number(places) : 0;
</getter>
<setter>
if (typeof val == "number") {
this.setAttribute("decimalplaces", val);
this._validateValue(this.valueNumber, false);
}
return val;
</setter>
</property>
<property name="increment">
<getter>
var increment = this.getAttribute("increment");
return increment ? Number(increment) : 1;
</getter>
<setter>
<![CDATA[
if (typeof val == "number")
this.setAttribute("increment", val);
return val;
]]>
</setter>
</property>
<method name="decrease">
<body>
return this._validateValue(this.valueNumber - this.increment, true);
</body>
</method>
<method name="increase">
<body>
return this._validateValue(this.valueNumber + this.increment, true);
</body>
</method>
<method name="_modifyUp">
<body>
<![CDATA[
if (this.disabled || this.readOnly)
return;
var oldval = this.valueNumber;
var newval = this.increase();
this.inputField.select();
if (oldval != newval)
this._fireChange();
]]>
</body>
</method>
<method name="_modifyDown">
<body>
<![CDATA[
if (this.disabled || this.readOnly)
return;
var oldval = this.valueNumber;
var newval = this.decrease();
this.inputField.select();
if (oldval != newval)
this._fireChange();
]]>
</body>
</method>
<method name="_enableDisableButtons">
<body>
<![CDATA[
var buttons = this.spinButtons;
if (this.wrapAround) {
buttons.decreaseDisabled = buttons.increaseDisabled = false;
}
else if (this.disabled || this.readOnly) {
buttons.decreaseDisabled = buttons.increaseDisabled = true;
}
else {
buttons.decreaseDisabled = (this.valueNumber <= this.min);
buttons.increaseDisabled = (this.valueNumber >= this.max);
}
]]>
</body>
</method>
<method name="_validateValue">
<parameter name="aValue"/>
<parameter name="aIsIncDec"/>
<body>
<![CDATA[
aValue = Number(aValue) || 0;
var min = this.min;
var max = this.max;
var wrapAround = this.wrapAround &&
min != -Infinity && max != Infinity;
if (aValue < min)
aValue = (aIsIncDec && wrapAround ? max : min);
else if (aValue > max)
aValue = (aIsIncDec && wrapAround ? min : max);
var places = this.decimalPlaces;
aValue = (places == Infinity) ? "" + aValue : aValue.toFixed(places);
this._valueEntered = false;
this._value = Number(aValue);
this.inputField.value = aValue.replace(/\./, this.decimalSymbol);
if (!wrapAround)
this._enableDisableButtons();
return aValue;
]]>
</body>
</method>
<method name="_fireChange">
<body>
var evt = document.createEvent("Events");
evt.initEvent("change", true, true);
this.dispatchEvent(evt);
</body>
</method>
<constructor><![CDATA[
if (this.max < this.min)
this.max = this.min;
var dsymbol = (Number(5.4)).toLocaleString().match(/\D/);
if (dsymbol != null)
this.decimalSymbol = dsymbol[0];
var value = this.inputField.value || 0;
this._validateValue(value, false);
]]></constructor>
</implementation>
<handlers>
<handler event="input" phase="capturing">
this._valueEntered = true;
</handler>
<handler event="keypress">
<![CDATA[
if (!event.ctrlKey && !event.metaKey && !event.altKey && event.charCode) {
if (event.charCode == this.decimalSymbol.charCodeAt(0) &&
this.decimalPlaces &&
String(this.inputField.value).indexOf(this.decimalSymbol) == -1)
return;
if (event.charCode == 45 && this.min < 0)
return;
if (event.charCode < 48 || event.charCode > 57)
event.preventDefault();
}
]]>
</handler>
<handler event="keypress" keycode="VK_UP">
this._modifyUp();
</handler>
<handler event="keypress" keycode="VK_DOWN">
this._modifyDown();
</handler>
<handler event="up" preventdefault="true">
this._modifyUp();
</handler>
<handler event="down" preventdefault="true">
this._modifyDown();
</handler>
<handler event="change">
if (event.originalTarget == this.inputField) {
var newval = this.inputField.value;
newval = newval.replace(this.decimalSymbol, ".");
this._validateValue(newval, false);
}
</handler>
</handlers>
</binding>
</bindings>