зеркало из https://github.com/mozilla/pjs.git
370 строки
12 KiB
XML
370 строки
12 KiB
XML
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<?xml version="1.0"?>
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<bindings id="radioBindings"
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xmlns="http://www.mozilla.org/xbl"
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xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
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xmlns:xbl="http://www.mozilla.org/xbl">
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<binding id="radiogroup">
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<resources>
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<stylesheet src="chrome://global/skin/radio.css"/>
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</resources>
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<implementation implements="nsIDOMXULSelectControlElement, nsIAccessibleProvider">
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<property name="accessible">
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<getter>
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<![CDATA[
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var accService = Components.classes["@mozilla.org/accessibilityService;1"].getService(Components.interfaces.nsIAccessibilityService);
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return accService.createXULRadioGroupAccessible(this);
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]]>
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</getter>
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</property>
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<property name="value" onset="this.setAttribute('value',val); return val;"
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onget="return this.getAttribute('value');"/>
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<property name="disabled">
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<getter>
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<![CDATA[
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return this.getAttribute('disabled') == 'true';
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]]>
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</getter>
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<setter>
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<![CDATA[
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if (val)
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this.setAttribute('disabled', 'true');
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else
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this.removeAttribute('disabled');
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var children = this._getRadioChildren();
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for (var i = 0; i < children.length; ++i) {
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children[i].disabled = val;
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}
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return val;
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]]>
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</setter>
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</property>
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<property name="selectedItem">
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<getter>
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<![CDATA[
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var children = this._getRadioChildren();
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for (var i = 0; i < children.length; ++i) {
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if (children[i].selected)
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return children[i];
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}
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return null;
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]]>
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</getter>
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<setter>
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<![CDATA[
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if (this.getAttribute("focused") == "true")
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val.setAttribute("focused", "true");
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val.setAttribute("selected", "true");
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this.value = val.value;
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// uncheck all other group nodes
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var children = this._getRadioChildren();
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for (var i = 0; i < children.length; ++i) {
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if (children[i] != val) {
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children[i].removeAttribute("selected");
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children[i].removeAttribute("focused");
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}
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}
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var event = document.createEvent("Events");
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event.initEvent("select", false, true);
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this.dispatchEvent(event);
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var myEvent = document.createEvent("Events");
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myEvent.initEvent("RadioStateChange", true, true);
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val.dispatchEvent(myEvent);
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return val;
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]]>
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</setter>
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</property>
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<property name="focusedItem">
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<getter>
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<![CDATA[
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var children = this._getRadioChildren();
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for (var i = 0; i < children.length; ++i) {
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if (children[i].getAttribute("focused") == "true")
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return children[i];
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}
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return null;
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]]>
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</getter>
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<setter>
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<![CDATA[
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if (val) val.setAttribute("focused", "true");
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// unfocus all other group nodes
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var children = this._getRadioChildren();
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for (var i = 0; i < children.length; ++i) {
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if (children[i] != val)
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children[i].removeAttribute("focused");
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}
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return val;
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]]>
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</setter>
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</property>
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<method name="checkAdjacentElement">
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<parameter name="aNextFlag"/>
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<body>
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<![CDATA[
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var currentElement = this.focusedItem;
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// If focused item isn't a radio button, do nothing!
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// (This allows textbox to work inside a radiogroup)
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if (!currentElement)
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return;
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var index, i;
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var children = this._getRadioChildren();
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for (i = 0; i < children.length; ++i ) {
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if (children[i] == currentElement)
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break;
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}
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if (aNextFlag) {
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do {
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index = ++i % children.length;
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if (i > children.length)
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break;
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}
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while (children[index].getAttribute("hidden") == "true" || children[index].disabled);
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// XXX check for collapsed attr and display/visibility props too
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this.selectedItem = children[index];
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children[index].doCommand();
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}
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else {
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do {
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index = i > 0 ? --i : (i = children.length - 1);
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if (i == children.length)
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break;
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}
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while (children[index].getAttribute("hidden") == "true" || children[index].disabled);
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// XXX check for collapsed attr and display/visibility props too
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this.selectedItem = children[index];
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children[index].doCommand();
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}
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]]>
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</body>
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</method>
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<field name="mRadioChildren">[]</field>
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<method name="_getRadioChildren">
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<parameter name="aNode">this</parameter>
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<body>
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<![CDATA[
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if (aNode) {
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if (aNode == this && this.mRadioChildren)
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return this.mRadioChildren;
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else if (aNode.localName == "radio") {
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this.mRadioChildren[this.mRadioChildren.length++] = aNode;
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return this.mRadioChildren;
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}
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else if (aNode.localName == "radiogroup" && aNode != this)
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return this.mRadioChildren;
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for (var i = 0; i < aNode.childNodes.length; ++i)
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this._getRadioChildren(aNode.childNodes[i]);
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}
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return this.mRadioChildren;
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]]>
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</body>
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</method>
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<method name="appendItem">
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<parameter name="label"/>
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<parameter name="value"/>
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<body>
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<![CDATA[
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var XULNS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
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var radio = document.createElementNS(XULNS, "radio");
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radio.setAttribute("label", label);
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radio.setAttribute("value", value);
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this.appendChild(radio);
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return radio;
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]]>
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</body>
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</method>
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<method name="insertItemAt">
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<parameter name="index"/>
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<parameter name="label"/>
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<parameter name="value"/>
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<body>
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<![CDATA[
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var XULNS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
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var radio = document.createElementNS(XULNS, "radio");
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radio.setAttribute("label", label);
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radio.setAttribute("value", value);
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var before = this.childNodes[index];
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if (before)
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this.insertBefore(radio, before);
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else
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this.appendChild(radio);
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return radio;
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]]>
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</body>
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</method>
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<method name="removeItemAt">
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<parameter name="index"/>
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<body>
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<![CDATA[
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var remove = this.childNodes[index];
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if (remove)
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this.removeChild(remove);
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return remove;
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]]>
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</body>
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</method>
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</implementation>
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<handlers>
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<handler event="click" button="0">
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<![CDATA[
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if (event.target.localName == "radio" && !event.target.disabled)
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this.selectedItem = event.target;
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event.preventBubble();
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]]>
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</handler>
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<handler event="select">
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<![CDATA[
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//XXXblake this should not be necessary
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// initEvent was supposed to prevent this from bubbling
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event.preventBubble();
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]]>
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</handler>
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<handler event="mousedown" button="0">
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<![CDATA[
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if (event.target.localName == "radio" && !event.target.disabled)
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this.focusedItem = event.target;
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event.preventBubble();
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]]>
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</handler>
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<!-- keyboard navigation -->
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<!-- Here's how keyboard navigation works in radio groups on Windows:
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The group takes 'focus'
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The user is then free to navigate around inside the group
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using the arrow keys. Accessing previous or following radio buttons
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is done solely through the arrow keys and not the tab button. Tab
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takes you to the next widget in the tab order -->
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<handler event="keypress" key=" ">
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this.selectedItem = this.focusedItem;
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this.selectedItem.doCommand();
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</handler>
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<handler event="keypress" keycode="VK_UP" phase="target">
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this.checkAdjacentElement(false);
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event.preventBubble();
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</handler>
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<handler event="keypress" keycode="VK_LEFT" phase="target">
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this.checkAdjacentElement(false);
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event.preventBubble();
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</handler>
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<handler event="keypress" keycode="VK_DOWN" phase="target">
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this.checkAdjacentElement(true);
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event.preventBubble();
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</handler>
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<handler event="keypress" keycode="VK_RIGHT" phase="target">
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this.checkAdjacentElement(true);
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event.preventBubble();
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</handler>
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<!-- set a focused attribute on the selected item when the group
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receives focus so that we can style it as if it were focused even though
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it is not (Windows platform behaviour is for the group to receive focus,
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not the item -->
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<handler event="focus" phase="target">
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if (event.target == this) {
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this.setAttribute("focused", "true");
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if (!this.focusedItem)
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this.focusedItem = this.selectedItem;
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}
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</handler>
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<handler event="blur" phase="target">
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this.removeAttribute("focused");
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this.focusedItem = null;
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</handler>
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</handlers>
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</binding>
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<binding id="radio" extends="chrome://global/content/bindings/general.xml#control-item">
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<resources>
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<stylesheet src="chrome://global/skin/radio.css"/>
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</resources>
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<content>
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<xul:image class="radio-check" xbl:inherits="disabled,selected"/>
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<xul:hbox class="radio-label-box" xbl:inherits="flex">
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<xul:image class="radio-icon" xbl:inherits="src"/>
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<xul:label class="radio-label" xbl:inherits="xbl:text=label,flex,accesskey,crop"/>
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</xul:hbox>
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</content>
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<implementation implements="nsIDOMXULSelectControlItemElement, nsIAccessibleProvider">
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<constructor>
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<![CDATA[
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var parent = this.radioGroup;
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parent.mRadioChildren[parent.mRadioChildren.length++] = this;
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]]>
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</constructor>
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<destructor>
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<![CDATA[
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var parent = this.radioGroup;
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for (var i = 0; i < parent.mRadioChildren.length; ++i) {
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if (parent.mRadioChildren[i] == this) {
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parent.mRadioChildren.slice(i, i);
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return;
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}
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}
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]]>
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</destructor>
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<property name="accessible">
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<getter>
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<![CDATA[
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var accService = Components.classes["@mozilla.org/accessibilityService;1"].getService(Components.interfaces.nsIAccessibilityService);
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return accService.createXULRadioButtonAccessible(this);
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]]>
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</getter>
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</property>
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<property name="selected" readonly="true">
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<getter>
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<![CDATA[
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return this.hasAttribute('selected');
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]]>
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</getter>
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</property>
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<property name="radioGroup">
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<getter>
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<![CDATA[
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var parent = this.parentNode;
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while (parent) {
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if (parent.localName == "radiogroup")
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return parent;
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parent = parent.parentNode;
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}
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return null;
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]]>
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</getter>
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</property>
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</implementation>
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<handlers>
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<handler event="click" button="0">
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<![CDATA[
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if (!this.disabled)
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this.radioGroup.selectedItem = this;
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]]>
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</handler>
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<handler event="mousedown" button="0">
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<![CDATA[
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if (!this.disabled)
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this.radioGroup.focusedItem = this;
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]]>
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</handler>
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</handlers>
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</binding>
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</bindings>
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