Example usage for android.text Spanned SPAN_INTERMEDIATE

List of usage examples for android.text Spanned SPAN_INTERMEDIATE

Introduction

In this page you can find the example usage for android.text Spanned SPAN_INTERMEDIATE.

Prototype

int SPAN_INTERMEDIATE

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Document

This flag will be set for intermediate span changes, meaning there is guaranteed to be another change following it.

Usage

From source file:org.tlhInganHol.android.klingonassistant.EntryActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // TTS:/* w  ww .j  a v a 2 s.  co m*/
    // Initialize text-to-speech. This is an asynchronous operation.
    // The OnInitListener (second argument) is called after initialization completes.
    // Log.d(TAG, "Initialising TTS");
    mTts = new TextToSpeech(this, this, // TextToSpeech.OnInitListener
            "org.tlhInganHol.android.klingonttsengine"); // Requires API 14.

    setDrawerContentView(R.layout.entry);
    Resources resources = getResources();

    JellyBeanSpanFixTextView entryTitle = (JellyBeanSpanFixTextView) findViewById(R.id.entry_title);
    JellyBeanSpanFixTextView entryText = (JellyBeanSpanFixTextView) findViewById(R.id.definition);

    // TODO: Save and restore bundle state to preserve links.

    Uri uri = getIntent().getData();
    // Log.d(TAG, "EntryActivity - uri: " + uri.toString());
    // TODO: Disable the "About" menu item if this is the "About" entry.
    mParentQuery = getIntent().getStringExtra(SearchManager.QUERY);

    // Retrieve the entry's data.
    // Note: managedQuery is deprecated since API 11.
    Cursor cursor = managedQuery(uri, KlingonContentDatabase.ALL_KEYS, null, null, null);
    KlingonContentProvider.Entry entry = new KlingonContentProvider.Entry(cursor, getBaseContext());

    // Handle alternative spellings here.
    if (entry.isAlternativeSpelling()) {
        // TODO: Immediate redirect to query in entry.getDefinition();
    }

    // Get the shared preferences.
    SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(getBaseContext());

    // Set the entry's name (along with info like "slang", formatted in HTML).
    entryTitle.invalidate();
    boolean useKlingonFont = sharedPrefs.getBoolean(Preferences.KEY_KLINGON_FONT_CHECKBOX_PREFERENCE,
            /* default */false);
    Typeface klingonTypeface = KlingonAssistant.getKlingonFontTypeface(getBaseContext());
    if (useKlingonFont) {
        // Preference is set to display this in {pIqaD}!
        entryTitle.setTypeface(klingonTypeface);
        entryTitle.setText(entry.getEntryNameInKlingonFont());
    } else {
        // Boring transcription based on English (Latin) alphabet.
        entryTitle.setText(Html.fromHtml(entry.getFormattedEntryName(/* isHtml */true)));
    }
    mEntryName = entry.getEntryName();

    // Set the colour for the entry name depending on its part of speech.
    boolean useColours = sharedPrefs.getBoolean(Preferences.KEY_USE_COLOURS_CHECKBOX_PREFERENCE,
            /* default */true);
    if (useColours) {
        entryTitle.setTextColor(entry.getTextColor());
    }

    // Create the expanded definition.
    String pos = entry.getFormattedPartOfSpeech(/* isHtml */false);
    String expandedDefinition = pos + entry.getDefinition();

    // Show the German definition.
    String definition_DE = "";
    boolean displayGermanEntry = entry.shouldDisplayGerman();
    int germanDefinitionStart = -1;
    String germanDefinitionHeader = "\n" + resources.getString(R.string.label_german) + ": ";
    if (displayGermanEntry) {
        germanDefinitionStart = expandedDefinition.length();
        definition_DE = entry.getDefinition_DE();
        expandedDefinition += germanDefinitionHeader + definition_DE;
    }

    // Set the share intent.
    setShareEntryIntent(entry);

    // Show the basic notes.
    String notes = entry.getNotes();
    if (!notes.equals("")) {
        expandedDefinition += "\n\n" + notes;
    }

    // If this entry is hypothetical or extended canon, display warnings.
    if (entry.isHypothetical() || entry.isExtendedCanon()) {
        expandedDefinition += "\n\n";
        if (entry.isHypothetical()) {
            expandedDefinition += resources.getString(R.string.warning_hypothetical);
        }
        if (entry.isExtendedCanon()) {
            expandedDefinition += resources.getString(R.string.warning_extended_canon);
        }
    }

    // Show synonyms, antonyms, and related entries.
    String synonyms = entry.getSynonyms();
    String antonyms = entry.getAntonyms();
    String seeAlso = entry.getSeeAlso();
    if (!synonyms.equals("")) {
        expandedDefinition += "\n\n" + resources.getString(R.string.label_synonyms) + ": " + synonyms;
    }
    if (!antonyms.equals("")) {
        expandedDefinition += "\n\n" + resources.getString(R.string.label_antonyms) + ": " + antonyms;
    }
    if (!seeAlso.equals("")) {
        expandedDefinition += "\n\n" + resources.getString(R.string.label_see_also) + ": " + seeAlso;
    }

    // Display components if that field is not empty, unless we are showing an analysis link, in
    // which case we want to hide the components.
    boolean showAnalysis = entry.isSentence() || entry.isDerivative();
    String components = entry.getComponents();
    if (!components.equals("")) {
        // Treat the components column of inherent plurals and their
        // singulars differently than for other entries.
        if (entry.isInherentPlural()) {
            expandedDefinition += "\n\n"
                    + String.format(resources.getString(R.string.info_inherent_plural), components);
        } else if (entry.isSingularFormOfInherentPlural()) {
            expandedDefinition += "\n\n"
                    + String.format(resources.getString(R.string.info_singular_form), components);
        } else if (!showAnalysis) {
            // This is just a regular list of components.
            expandedDefinition += "\n\n" + resources.getString(R.string.label_components) + ": " + components;
        }
    }

    // Display plural information.
    if (!entry.isPlural() && !entry.isInherentPlural() && !entry.isPlural()) {
        if (entry.isBeingCapableOfLanguage()) {
            expandedDefinition += "\n\n" + resources.getString(R.string.info_being);
        } else if (entry.isBodyPart()) {
            expandedDefinition += "\n\n" + resources.getString(R.string.info_body);
        }
    }

    // If the entry is a useful phrase, link back to its category.
    if (entry.isSentence()) {
        String sentenceType = entry.getSentenceType();
        if (!sentenceType.equals("")) {
            // Put the query as a placeholder for the actual category.
            expandedDefinition += "\n\n" + resources.getString(R.string.label_category) + ": {"
                    + entry.getSentenceTypeQuery() + "}";
        }
    }

    // If the entry is a sentence, make a link to analyse its components.
    if (showAnalysis) {
        String analysisQuery = entry.getEntryName();
        if (!components.equals("")) {
            // Strip the brackets around each component so they won't be processed.
            analysisQuery += ":" + entry.getPartOfSpeech();
            int homophoneNumber = entry.getHomophoneNumber();
            if (homophoneNumber != -1) {
                analysisQuery += ":" + homophoneNumber;
            }
            analysisQuery += KlingonContentProvider.Entry.COMPONENTS_MARKER + components.replaceAll("[{}]", "");
        }
        expandedDefinition += "\n\n" + resources.getString(R.string.label_analyze) + ": {" + analysisQuery
                + "}";
    }

    // Show the examples.
    String examples = entry.getExamples();
    if (!examples.equals("")) {
        expandedDefinition += "\n\n" + resources.getString(R.string.label_examples) + ": " + examples;
    }

    // Show the source.
    String source = entry.getSource();
    if (!source.equals("")) {
        expandedDefinition += "\n\n" + resources.getString(R.string.label_sources) + ": " + source;
    }

    // If this is a verb (but not a prefix or suffix), show the transitivity information.
    String transitivity = "";
    if (entry.isVerb()
            && sharedPrefs.getBoolean(Preferences.KEY_SHOW_TRANSITIVITY_CHECKBOX_PREFERENCE, /* default */
                    true)) {
        // This is a verb and show transitivity preference is set to true.
        transitivity = entry.getTransitivityString();
    }
    int transitivityStart = -1;
    String transitivityHeader = "\n\n" + resources.getString(R.string.label_transitivity) + ": ";
    boolean showTransitivityInformation = !transitivity.equals("");
    if (showTransitivityInformation) {
        transitivityStart = expandedDefinition.length();
        expandedDefinition += transitivityHeader + transitivity;
    }

    // Show the hidden notes.
    String hiddenNotes = "";
    if (sharedPrefs.getBoolean(Preferences.KEY_SHOW_ADDITIONAL_INFORMATION_CHECKBOX_PREFERENCE, /* default */
            true)) {
        // Show additional information preference set to true.
        hiddenNotes = entry.getHiddenNotes();
    }
    int hiddenNotesStart = -1;
    String hiddenNotesHeader = "\n\n" + resources.getString(R.string.label_additional_information) + ": ";
    if (!hiddenNotes.equals("")) {
        hiddenNotesStart = expandedDefinition.length();
        expandedDefinition += hiddenNotesHeader + hiddenNotes;
    }

    // Format the expanded definition, including linkifying the links to other entries.
    float smallTextScale = (float) 0.8;
    SpannableStringBuilder ssb = new SpannableStringBuilder(expandedDefinition);
    int intermediateFlags = Spanned.SPAN_EXCLUSIVE_EXCLUSIVE | Spanned.SPAN_INTERMEDIATE;
    int finalFlags = Spanned.SPAN_EXCLUSIVE_EXCLUSIVE;
    if (!pos.equals("")) {
        // Italicise the part of speech.
        ssb.setSpan(new StyleSpan(android.graphics.Typeface.ITALIC), 0, pos.length(), finalFlags);
    }
    if (displayGermanEntry) {
        // Reduce the size of the German definition.
        ssb.setSpan(new RelativeSizeSpan(smallTextScale), germanDefinitionStart,
                germanDefinitionStart + germanDefinitionHeader.length() + definition_DE.length(), finalFlags);
    }
    if (showTransitivityInformation) {
        // Reduce the size of the transitivity information.
        ssb.setSpan(new RelativeSizeSpan(smallTextScale), transitivityStart,
                transitivityStart + transitivityHeader.length() + transitivity.length(), finalFlags);
    }
    if (!hiddenNotes.equals("")) {
        // Reduce the size of the hidden notes.
        ssb.setSpan(new RelativeSizeSpan(smallTextScale), hiddenNotesStart,
                hiddenNotesStart + hiddenNotesHeader.length() + hiddenNotes.length(), finalFlags);
    }
    Matcher m = KlingonContentProvider.Entry.ENTRY_PATTERN.matcher(expandedDefinition);
    while (m.find()) {

        // Strip the brackets {} to get the query.
        String query = expandedDefinition.substring(m.start() + 1, m.end() - 1);
        LookupClickableSpan viewLauncher = new LookupClickableSpan(query);

        // Process the linked entry information.
        KlingonContentProvider.Entry linkedEntry = new KlingonContentProvider.Entry(query, getBaseContext());
        // Log.d(TAG, "linkedEntry.getEntryName() = " + linkedEntry.getEntryName());

        // Delete the brackets and metadata parts of the string (which includes analysis components).
        ssb.delete(m.start() + 1 + linkedEntry.getEntryName().length(), m.end());
        ssb.delete(m.start(), m.start() + 1);
        int end = m.start() + linkedEntry.getEntryName().length();

        // Insert link to the category for a useful phrase.
        if (entry.isSentence() && !entry.getSentenceType().equals("")
                && linkedEntry.getEntryName().equals("*")) {
            // Delete the "*" placeholder.
            ssb.delete(m.start(), m.start() + 1);

            // Insert the category name.
            ssb.insert(m.start(), entry.getSentenceType());
            end += entry.getSentenceType().length() - 1;
        }

        // Set the font and link.
        // TODO: Source should link to description of the source.
        // This is true if this entry doesn't launch an EntryActivity.
        boolean disableEntryLink = linkedEntry.doNotLink() || linkedEntry.isSource() || linkedEntry.isURL();
        // The last span set on a range must have finalFlags.
        int maybeFinalFlags = disableEntryLink ? finalFlags : intermediateFlags;
        if (linkedEntry.isSource()) {
            // Names of sources are in italics.
            ssb.setSpan(new StyleSpan(android.graphics.Typeface.ITALIC), m.start(), end, maybeFinalFlags);
        } else if (linkedEntry.isURL()) {
            // Linkify URL if there is one.
            String url = linkedEntry.getURL();
            if (!url.equals("")) {
                ssb.setSpan(new URLSpan(url), m.start(), end, maybeFinalFlags);
            }
        } else if (useKlingonFont) {
            // Display the text using the Klingon font. Categories (which have an entry of "*") must
            // be handled specially.
            String klingonEntryName = !linkedEntry.getEntryName().equals("*")
                    ? linkedEntry.getEntryNameInKlingonFont()
                    : KlingonContentProvider.convertStringToKlingonFont(entry.getSentenceType());
            ssb.delete(m.start(), end);
            ssb.insert(m.start(), klingonEntryName);
            end = m.start() + klingonEntryName.length();
            ssb.setSpan(new KlingonTypefaceSpan("", klingonTypeface), m.start(), end, maybeFinalFlags);
        } else {
            // Klingon is in bold serif.
            ssb.setSpan(new StyleSpan(android.graphics.Typeface.BOLD), m.start(), end, intermediateFlags);
            ssb.setSpan(new TypefaceSpan("serif"), m.start(), end, maybeFinalFlags);
        }
        // If linked entry is hypothetical or extended canon, insert a "?" in front.
        if (linkedEntry.isHypothetical() || linkedEntry.isExtendedCanon()) {
            ssb.insert(m.start(), "?");
            ssb.setSpan(new RelativeSizeSpan(smallTextScale), m.start(), m.start() + 1, intermediateFlags);
            ssb.setSpan(new SuperscriptSpan(), m.start(), m.start() + 1, maybeFinalFlags);
            end++;
        }
        // Only apply colours to verbs, nouns, and affixes (exclude BLUE and WHITE).
        if (!disableEntryLink) {
            // Link to view launcher.
            ssb.setSpan(viewLauncher, m.start(), end, useColours ? intermediateFlags : finalFlags);
        }
        // Set the colour last, so it's not overridden by other spans.
        if (useColours) {
            ssb.setSpan(new ForegroundColorSpan(linkedEntry.getTextColor()), m.start(), end, finalFlags);
        }
        String linkedPos = linkedEntry.getBracketedPartOfSpeech(/* isHtml */false);
        if (!linkedPos.equals("") && linkedPos.length() > 1) {
            ssb.insert(end, linkedPos);

            int rightBracketLoc = linkedPos.indexOf(")");
            if (rightBracketLoc != -1) {
                // linkedPos is always of the form " (pos)[ (def'n N)]", we want to italicise
                // the "pos" part only.
                ssb.setSpan(new StyleSpan(android.graphics.Typeface.ITALIC), end + 2, end + rightBracketLoc,
                        finalFlags);
            }
        }

        // Rinse and repeat.
        expandedDefinition = ssb.toString();
        m = KlingonContentProvider.Entry.ENTRY_PATTERN.matcher(expandedDefinition);
    }

    // Display the entry name and definition.
    entryText.invalidate();
    entryText.setText(ssb);
    entryText.setMovementMethod(LinkMovementMethod.getInstance());
}