зеркало из https://github.com/mozilla/gecko-dev.git
216 строки
8.0 KiB
XML
216 строки
8.0 KiB
XML
<?xml version="1.0"?>
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<bindings id="textBindings"
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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:html="http://www.w3.org/1999/xhtml">
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<!-- bound to <description>s -->
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<binding id="text-base" extends="chrome://global/content/bindings/general.xml#basecontrol">
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<implementation implements="nsIDOMXULDescriptionElement, 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.createXULTextAccessible(this);
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]]>
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</getter>
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</property>
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<property name="value" onget="return this.getAttribute('value');"
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onset="this.setAttribute('value', val); return val;"/>
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<property name="crop" onget="return this.getAttribute('crop');"
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onset="this.setAttribute('crop', val); return val;"/>
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</implementation>
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</binding>
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<binding id="text-label" extends="chrome://global/content/bindings/text.xml#text-base">
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<implementation implements="nsIDOMXULLabelElement">
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<field name="mUnderlineAccesskey">
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!/Mac/.test(navigator.platform)
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</field>
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<property name="accessKey">
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<getter>
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<![CDATA[
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var accessKey = this.getAttribute('accesskey');
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return accessKey ? accessKey[0] : null;
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]]>
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</getter>
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<setter>
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<![CDATA[
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this.setAttribute('accesskey', val);
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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="control" onget="return getAttribute('control');">
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<setter>
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<![CDATA[
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// After this gets set, the label will use the binding #label-control
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this.setAttribute('control', val);
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return val;
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]]>
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</setter>
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</property>
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</implementation>
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</binding>
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<binding id="label-control" extends="chrome://global/content/bindings/text.xml#text-label">
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<content>
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<html:span anonid="accessKeyParens"><children/></html:span>
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</content>
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<implementation implements="nsIDOMXULLabelElement">
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<constructor>
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<![CDATA[
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try {
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var prefs = Components.classes["@mozilla.org/preferences-service;1"].
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getService(Components.interfaces.nsIPrefBranch);
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this.mUnderlineAccesskey = (prefs.getIntPref("ui.key.menuAccessKey") != 0);
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}
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catch (e) { }
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this.formatAccessKey();
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]]>
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</constructor>
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<method name="formatAccessKey">
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<body>
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<![CDATA[
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if (!this.mUnderlineAccesskey)
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return;
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var control = this.labeledControlElement;
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if (!control) {
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var bindingParent = document.getBindingParent(this);
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if (bindingParent instanceof Components.interfaces.nsIDOMXULLabeledControlElement) {
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control = bindingParent; // For controls that make the <label> an anon child
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}
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}
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if (control) {
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control.labelElement = this;
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}
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var afterLabel = document.getAnonymousElementByAttribute(this, "anonid", "accessKeyParens");
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afterLabel.textContent = ""; // This does not clear real nodes!
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var oldAccessKey = this.getElementsByAttribute('class', 'accesskey').item(0);
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if (oldAccessKey) { // Clear old accesskey
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if (oldAccessKey.previousSibling instanceof Text) {
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oldAccessKey.previousSibling.appendData(oldAccessKey.textContent)
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}
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else {
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oldAccessKey.parentNode.insertBefore(oldAccessKey.firstChild, oldAccessKey);
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}
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oldAccessKey.parentNode.removeChild(oldAccessKey);
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}
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var accessKey = this.accessKey;
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var labelText = this.textContent;
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if (!accessKey || !labelText || !control) {
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return;
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}
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var accessKeyIndex = labelText.indexOf(accessKey);
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if (accessKeyIndex < 0) { // Try again in upper case
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accessKeyIndex = labelText.toUpperCase().indexOf(accessKey.toUpperCase());
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}
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var span = document.createElementNS("http://www.w3.org/1999/xhtml", "span");
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span.className = "accesskey";
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if (accessKeyIndex < 0) {
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// If accesskey is not in string, append in parentheses
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afterLabel.textContent = " (";
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span.textContent = accessKey.toUpperCase();
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afterLabel.appendChild(span);
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afterLabel.appendChild(document.createTextNode(")"));
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return;
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}
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var treeWalker = document.createTreeWalker(this, NodeFilter.SHOW_TEXT, null, true);
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var accessKeyNode = treeWalker.nextNode();
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while (accessKeyIndex >= accessKeyNode.length) {
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accessKeyIndex -= accessKeyNode.length;
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accessKeyNode = treeWalker.nextNode();
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}
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// Now wrap the access key in a <span class="accesskey"/>
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if (accessKeyIndex) {
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accessKeyNode = accessKeyNode.splitText(accessKeyIndex); // returns 2nd node from split
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}
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accessKeyNode.parentNode.insertBefore(span, accessKeyNode);
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if (accessKeyNode.length > 1) {
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accessKeyNode.splitText(1);
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}
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span.appendChild(accessKeyNode);
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]]>
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</body>
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</method>
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<property name="accessKey">
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<getter>
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<![CDATA[
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var accessKey = null;
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var labeledEl = this.labeledControlElement;
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if (labeledEl) {
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accessKey = labeledEl.getAttribute('accesskey');
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}
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if (!accessKey) {
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accessKey = this.getAttribute('accesskey');
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}
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return accessKey ? accessKey[0] : 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 label already has an accesskey attribute store it here as well
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if (this.hasAttribute('accesskey')) {
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this.setAttribute('accesskey', val);
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}
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var control = this.labeledControlElement;
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if (control) {
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control.setAttribute('accesskey', val);
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}
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this.formatAccessKey();
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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="labeledControlElement" readonly="true"
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onget="var control = this.control; return control ? document.getElementById(control) : null;" />
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<property name="control" onget="return this.getAttribute('control');">
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<setter>
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<![CDATA[
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var control = this.labeledControlElement;
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if (control) {
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control.labelElement = null; // No longer pointed to be this label
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}
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this.setAttribute('control', val);
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this.formatAccessKey();
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return val;
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]]>
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</setter>
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</property>
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</implementation>
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<handlers>
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<handler event="click" action="if (this.disabled) return;
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var controlElementID = this.getAttribute('control');
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var controlElement;
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if (controlElementID)
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controlElement = document.getElementById(controlElementID);
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if(controlElement)
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controlElement.focus();
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"/>
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</handlers>
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</binding>
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<binding id="text-link" extends="chrome://global/content/bindings/text.xml#text-label">
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<handlers>
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<handler event="keypress" keycode="VK_ENTER" action="this.click()" />
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<handler event="keypress" keycode="VK_RETURN" action="this.click()" />
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</handlers>
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</binding>
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</bindings>
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