Examples of ae.java.awt.im.spi.InputMethodDescriptor

ae.java.awt.im.spi.InputMethodDescriptor
Defines methods that provide sufficient information about an input method to enable selection and loading of that input method. The input method itself is only loaded when it is actually used. @since 1.3


        // set up host adapter locator
        Toolkit toolkit = Toolkit.getDefaultToolkit();
        try {
            if (toolkit instanceof InputMethodSupport) {
                InputMethodDescriptor hostAdapterDescriptor =
                    ((InputMethodSupport)toolkit)
                    .getInputMethodAdapterDescriptor();
                if (hostAdapterDescriptor != null) {
                    hostAdapterLocator = new InputMethodLocator(hostAdapterDescriptor, null, null);
                }

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                return preferredLocator;
            }
            // look for Java input methods
            for (int i = 0; i < javaInputMethodLocatorList.size(); i++) {
                InputMethodLocator locator = javaInputMethodLocatorList.get(i);
                InputMethodDescriptor descriptor = locator.getDescriptor();
                if (descriptor.getClass().getName().equals(descriptorName)) {
                    advertised = getAdvertisedLocale(locator, locale);
                    if (advertised != null) {
                        preferredLocator = locator.deriveLocator(advertised);
                        preferredLocatorCache.put(locale.toString().intern(), preferredLocator);
                    }

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     * the user's Preferences tree in accordance with the given locale.
     *
     * @param inputMethodLocator input method locator to remember.
     */
    private synchronized void putPreferredInputMethod(InputMethodLocator locator) {
        InputMethodDescriptor descriptor = locator.getDescriptor();
        Locale preferredLocale = locator.getLocale();


        if (preferredLocale == null) {
            // check available locales of the input method
            try {
                Locale[] availableLocales = descriptor.getAvailableLocales();
                if (availableLocales.length == 1) {
                    preferredLocale = availableLocales[0];
                } else {
                    // there is no way to know which locale is the preferred one, so do nothing.
                    return;
                }
            } catch (AWTException ae) {
                // do nothing here, either.
                return;
            }
        }


        // for regions that have only one language, we need to regard
        // "xx_YY" as "xx" when putting the preference into tree
        if (preferredLocale.equals(Locale.JAPAN)) {
            preferredLocale = Locale.JAPANESE;
        }
        if (preferredLocale.equals(Locale.KOREA)) {
            preferredLocale = Locale.KOREAN;
        }
        if (preferredLocale.equals(new Locale("th", "TH"))) {
            preferredLocale = new Locale("th");
        }


        // obtain node
        String path = preferredIMNode + "/" + createLocalePath(preferredLocale);


        // write in the preference tree
        writePreferredInputMethod(path, descriptor.getClass().getName());
        preferredLocatorCache.put(preferredLocale.toString().intern(),
            locator.deriveLocator(preferredLocale));


        return;
    }

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    abstract void addMenuItem(Object targetMenu, String label, String command,
                              String currentSelection);


    void addOneInputMethodToMenu(InputMethodLocator locator, String currentSelection) {
        InputMethodDescriptor descriptor = locator.getDescriptor();
        String label = descriptor.getInputMethodDisplayName(null, Locale.getDefault());
        String command = locator.getActionCommandString();
        Locale[] locales = null;
        int localeCount;
        try {
            locales = descriptor.getAvailableLocales();
            localeCount = locales.length;
        } catch (AWTException e) {
            // ??? should have better error handling -
            // tell user what happened, then remove this input method from the list.
            // For the time being, just show it disabled.
            localeCount = 0;
        }
        if (localeCount == 0) {
            // could be IIIMP adapter which has lost its connection
            addMenuItem(label, null, currentSelection);
        } else if (localeCount == 1) {
            if (descriptor.hasDynamicLocaleList()) {
                // try to make sure that what the user sees and what
                // we eventually select is consistent even if the locale
                // list changes in the meantime
                label = descriptor.getInputMethodDisplayName(locales[0], Locale.getDefault());
                command = locator.deriveLocator(locales[0]).getActionCommandString();
            }
            addMenuItem(label, command, currentSelection);
        } else {
            Object submenu = createSubmenu(label);

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Related Classes of ae.java.awt.im.spi.InputMethodDescriptor

ae.sun.awt.im.ExecutableInputMethodManager

ae.sun.awt.im.InputMethodPopupMenu

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