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<?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="textBindings"
xmlns="http://www.mozilla.org/xbl"
xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
xmlns:html="http://www.w3.org/1999/xhtml">
<!-- bound to <description>s -->
<binding id="text-base" role="xul:text">
<implementation implements="nsIDOMXULDescriptionElement">
<property name="disabled" onset="if (val) this.setAttribute('disabled', 'true');
else this.removeAttribute('disabled');
return val;"
onget="return this.getAttribute('disabled') == 'true';"/>
<property name="value" onget="return this.getAttribute('value');"
onset="this.setAttribute('value', val); return val;"/>
<property name="crop" onget="return this.getAttribute('crop');"
onset="this.setAttribute('crop', val); return val;"/>
</implementation>
</binding>
<binding id="text-label" extends="chrome://global/content/bindings/text.xml#text-base">
<implementation implements="nsIDOMXULLabelElement">
<property name="accessKey">
<getter>
<![CDATA[
var accessKey = this.getAttribute('accesskey');
return accessKey ? accessKey[0] : null;
]]>
</getter>
<setter>
<![CDATA[
this.setAttribute('accesskey', val);
return val;
]]>
</setter>
</property>
<property name="control" onget="return getAttribute('control');">
<setter>
<![CDATA[
// After this gets set, the label will use the binding #label-control
this.setAttribute('control', val);
return val;
]]>
</setter>
</property>
</implementation>
</binding>
<binding id="label-control" extends="chrome://global/content/bindings/text.xml#text-label">
<content>
<children/><html:span anonid="accessKeyParens"></html:span>
</content>
<implementation implements="nsIDOMXULLabelElement">
<constructor>
<![CDATA[
this.formatAccessKey(true);
]]>
</constructor>
<method name="formatAccessKey">
<parameter name="firstTime"/>
<body>
<![CDATA[
var control = this.labeledControlElement;
if (!control) {
var bindingParent = document.getBindingParent(this);
if (bindingParent instanceof Components.interfaces.nsIDOMXULLabeledControlElement) {
control = bindingParent; // For controls that make the <label> an anon child
}
}
if (control) {
control.labelElement = this;
}
var accessKey = this.accessKey;
// No need to remove existing formatting the first time.
if (firstTime && !accessKey)
return;
if (this.mInsertSeparator === undefined) {
try {
var prefs = Components.classes["@mozilla.org/preferences-service;1"].
getService(Components.interfaces.nsIPrefBranch);
this.mUnderlineAccesskey = (prefs.getIntPref("ui.key.menuAccessKey") != 0);
const nsIPrefLocalizedString =
Components.interfaces.nsIPrefLocalizedString;
const prefNameInsertSeparator =
"intl.menuitems.insertseparatorbeforeaccesskeys";
const prefNameAlwaysAppendAccessKey =
"intl.menuitems.alwaysappendaccesskeys";
var val = prefs.getComplexValue(prefNameInsertSeparator,
nsIPrefLocalizedString).data;
this.mInsertSeparator = (val == "true");
val = prefs.getComplexValue(prefNameAlwaysAppendAccessKey,
nsIPrefLocalizedString).data;
this.mAlwaysAppendAccessKey = (val == "true");
}
catch (e) {
this.mInsertSeparator = true;
}
}
if (!this.mUnderlineAccesskey)
return;
var afterLabel = document.getAnonymousElementByAttribute(this, "anonid", "accessKeyParens");
afterLabel.textContent = "";
var oldAccessKey = this.getElementsByAttribute('class', 'accesskey').item(0);
if (oldAccessKey) { // Clear old accesskey
this.mergeElement(oldAccessKey);
}
var oldHiddenSpan =
this.getElementsByAttribute('class', 'hiddenColon').item(0);
if (oldHiddenSpan) {
this.mergeElement(oldHiddenSpan);
}
var labelText = this.textContent;
if (!accessKey || !labelText || !control) {
return;
}
var accessKeyIndex = -1;
if (!this.mAlwaysAppendAccessKey) {
accessKeyIndex = labelText.indexOf(accessKey);
if (accessKeyIndex < 0) { // Try again in upper case
accessKeyIndex =
labelText.toUpperCase().indexOf(accessKey.toUpperCase());
}
}
const HTML_NS = "http://www.w3.org/1999/xhtml";
var span = document.createElementNS(HTML_NS, "span");
span.className = "accesskey";
// Note that if you change the following code, see the comment of
// nsTextBoxFrame::UpdateAccessTitle.
// If accesskey is not in string, append in parentheses
if (accessKeyIndex < 0) {
// If end is colon, we should insert before colon.
// i.e., "label:" -> "label(X):"
var colonHidden = false;
if (/:$/.test(labelText)) {
labelText = labelText.slice(0, -1);
var hiddenSpan = document.createElementNS(HTML_NS, "span");
hiddenSpan.className = "hiddenColon";
hiddenSpan.style.display = "none";
// Hide the last colon by using span element.
// I.e., label<span style="display:none;">:</span>
this.wrapChar(hiddenSpan, labelText.length);
colonHidden = true;
}
// If end is space(U+20),
// we should not add space before parentheses.
var endIsSpace = false;
if (/ $/.test(labelText)) {
endIsSpace = true;
}
if (this.mInsertSeparator && !endIsSpace)
afterLabel.textContent = " (";
else
afterLabel.textContent = "(";
span.textContent = accessKey.toUpperCase();
afterLabel.appendChild(span);
if (!colonHidden)
afterLabel.appendChild(document.createTextNode(")"));
else
afterLabel.appendChild(document.createTextNode("):"));
return;
}
this.wrapChar(span, accessKeyIndex);
]]>
</body>
</method>
<method name="wrapChar">
<parameter name="element"/>
<parameter name="index"/>
<body>
<![CDATA[
var treeWalker = document.createTreeWalker(this,
NodeFilter.SHOW_TEXT,
null);
var node = treeWalker.nextNode();
while (index >= node.length) {
index -= node.length;
node = treeWalker.nextNode();
}
if (index) {
node = node.splitText(index);
}
node.parentNode.insertBefore(element, node);
if (node.length > 1) {
node.splitText(1);
}
element.appendChild(node);
]]>
</body>
</method>
<method name="mergeElement">
<parameter name="element"/>
<body>
<![CDATA[
if (element.previousSibling instanceof Text) {
element.previousSibling.appendData(element.textContent)
}
else {
element.parentNode.insertBefore(element.firstChild, element);
}
element.parentNode.removeChild(element);
]]>
</body>
</method>
<field name="mUnderlineAccesskey">
!/Mac/.test(navigator.platform)
</field>
<field name="mInsertSeparator"/>
<field name="mAlwaysAppendAccessKey">false</field>
<property name="accessKey">
<getter>
<![CDATA[
var accessKey = null;
var labeledEl = this.labeledControlElement;
if (labeledEl) {
accessKey = labeledEl.getAttribute('accesskey');
}
if (!accessKey) {
accessKey = this.getAttribute('accesskey');
}
return accessKey ? accessKey[0] : null;
]]>
</getter>
<setter>
<![CDATA[
// If this label already has an accesskey attribute store it here as well
if (this.hasAttribute('accesskey')) {
this.setAttribute('accesskey', val);
}
var control = this.labeledControlElement;
if (control) {
control.setAttribute('accesskey', val);
}
this.formatAccessKey(false);
return val;
]]>
</setter>
</property>
<property name="labeledControlElement" readonly="true"
onget="var control = this.control; return control ? document.getElementById(control) : null;" />
<property name="control" onget="return this.getAttribute('control');">
<setter>
<![CDATA[
var control = this.labeledControlElement;
if (control) {
control.labelElement = null; // No longer pointed to be this label
}
this.setAttribute('control', val);
this.formatAccessKey(false);
return val;
]]>
</setter>
</property>
</implementation>
<handlers>
<handler event="click" action="if (this.disabled) return;
var controlElement = this.labeledControlElement;
if(controlElement)
controlElement.focus();
"/>
</handlers>
</binding>
<binding id="text-link" extends="chrome://global/content/bindings/text.xml#text-label" role="xul:link">
<implementation>
<property name="href" onget="return this.getAttribute('href');"
onset="this.setAttribute('href', val); return val;" />
<method name="open">
<parameter name="aEvent"/>
<body>
<![CDATA[
var href = this.href;
if (!href || this.disabled || aEvent.defaultPrevented)
return;
var uri = null;
try {
const nsISSM = Components.interfaces.nsIScriptSecurityManager;
const secMan =
Components.classes["@mozilla.org/scriptsecuritymanager;1"]
.getService(nsISSM);
const ioService =
Components.classes["@mozilla.org/network/io-service;1"]
.getService(Components.interfaces.nsIIOService);
uri = ioService.newURI(href, null, null);
let principal;
if (this.getAttribute("useoriginprincipal") == "true") {
principal = this.nodePrincipal;
} else {
principal = secMan.createNullPrincipal({});
}
try {
secMan.checkLoadURIWithPrincipal(principal, uri,
nsISSM.DISALLOW_INHERIT_PRINCIPAL);
}
catch (ex) {
var msg = "Error: Cannot open a " + uri.scheme + ": link using \
the text-link binding.";
Components.utils.reportError(msg);
return;
}
const cID = "@mozilla.org/uriloader/external-protocol-service;1";
const nsIEPS = Components.interfaces.nsIExternalProtocolService;
var protocolSvc = Components.classes[cID].getService(nsIEPS);
// if the scheme is not an exposed protocol, then opening this link
// should be deferred to the system's external protocol handler
if (!protocolSvc.isExposedProtocol(uri.scheme)) {
protocolSvc.loadUrl(uri);
aEvent.preventDefault()
return;
}
}
catch (ex) {
Components.utils.reportError(ex);
}
aEvent.preventDefault();
href = uri ? uri.spec : href;
// Try handing off the link to the host application, e.g. for
// opening it in a tabbed browser.
var linkHandled = Components.classes["@mozilla.org/supports-PRBool;1"]
.createInstance(Components.interfaces.nsISupportsPRBool);
linkHandled.data = false;
let {shiftKey, ctrlKey, metaKey, altKey, button} = aEvent;
let data = {shiftKey, ctrlKey, metaKey, altKey, button, href};
Components.classes["@mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService)
.notifyObservers(linkHandled, "handle-xul-text-link", JSON.stringify(data));
if (linkHandled.data)
return;
// otherwise, fall back to opening the anchor directly
var win = window;
if (window instanceof Components.interfaces.nsIDOMChromeWindow) {
while (win.opener && !win.opener.closed)
win = win.opener;
}
win.open(href);
]]>
</body>
</method>
</implementation>
<handlers>
<handler event="click" phase="capturing" button="0" action="this.open(event)"/>
<handler event="click" phase="capturing" button="1" action="this.open(event)"/>
<handler event="keypress" preventdefault="true" keycode="VK_RETURN" action="this.click()" />
</handlers>
</binding>
</bindings>
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