List of usage examples for android.text SpannableStringBuilder delete
public SpannableStringBuilder delete(int start, int end)
From source file:org.mozilla.gecko.home.HistoryPanel.java
/** * Make Span that is clickable, italicized, and underlined * between the string markers <code>FORMAT_S1</code> and * <code>FORMAT_S2</code>.//ww w .ja va2 s .c o m * * @param text String to format * @return formatted SpannableStringBuilder, or null if there * is not any text to format. */ private SpannableStringBuilder formatHintText(String text) { // Set formatting as marked by string placeholders. final int underlineStart = text.indexOf(FORMAT_S1); final int underlineEnd = text.indexOf(FORMAT_S2); // Check that there is text to be formatted. if (underlineStart >= underlineEnd) { return null; } final SpannableStringBuilder ssb = new SpannableStringBuilder(text); // Set italicization. ssb.setSpan(new StyleSpan(Typeface.ITALIC), 0, ssb.length(), 0); // Set clickable text. final ClickableSpan clickableSpan = new ClickableSpan() { @Override public void onClick(View widget) { Telemetry.sendUIEvent(TelemetryContract.Event.ACTION, TelemetryContract.Method.HOMESCREEN, "hint-private-browsing"); try { final JSONObject json = new JSONObject(); json.put("type", "Menu:Open"); EventDispatcher.getInstance().dispatchEvent(json, null); } catch (JSONException e) { Log.e(LOGTAG, "Error forming JSON for Private Browsing contextual hint", e); } } }; ssb.setSpan(clickableSpan, 0, text.length(), 0); // Remove underlining set by ClickableSpan. final UnderlineSpan noUnderlineSpan = new UnderlineSpan() { @Override public void updateDrawState(TextPaint textPaint) { textPaint.setUnderlineText(false); } }; ssb.setSpan(noUnderlineSpan, 0, text.length(), 0); // Add underlining for "Private Browsing". ssb.setSpan(new UnderlineSpan(), underlineStart, underlineEnd, 0); ssb.delete(underlineEnd, underlineEnd + FORMAT_S2.length()); ssb.delete(underlineStart, underlineStart + FORMAT_S1.length()); return ssb; }
From source file:com.juick.android.JuickMessagesAdapter.java
private static void setStyleSpans(SpannableStringBuilder ssb, int ssbOffset, Object what, String styleChar) { String txt;/* www. j a v a 2s. c o m*/ txt = ssb.subSequence(ssbOffset, ssb.length()).toString(); txt = " " + txt + " "; ssbOffset -= 1; // int scan = 0; int cnt = 0; while (cnt++ < 20) { // don't need bugs in production. int ix = txt.indexOf(styleChar, scan); if (ix < 0) break; if (" \n".indexOf(txt.charAt(ix - 1)) != -1) { int ix2 = txt.indexOf(styleChar, ix + 1); if (ix2 < 0) break; if (" \n".indexOf(txt.charAt(ix2 + 1)) == -1 // not ends with space || txt.substring(ix, ix2).indexOf("\n") != -1) { // spans several lines scan = ix2; // not ok continue; } else { CharacterStyle span = null; CharacterStyle span2 = null; // found needed stuff if (what instanceof Integer && (((Integer) what) == Typeface.BOLD)) { span = new StyleSpan(Typeface.BOLD); if (helvNueFonts) { span2 = new CustomTypefaceSpan("", JuickAdvancedApplication.helvNueBold); } } if (what instanceof Integer && (((Integer) what) == Typeface.ITALIC)) { span = new StyleSpan(Typeface.ITALIC); } if (what == UnderlineSpan.class) { span = new UnderlineSpan(); } if (span != null && ix2 - ix > 1) { ssb.delete(ssbOffset + ix, ssbOffset + ix + 1); // delete styling char txt = stringDelete(txt, ix, ix + 1); ix2--; // moves, too ssb.delete(ssbOffset + ix2, ssbOffset + ix2 + 1); // second char deleted txt = stringDelete(txt, ix2, ix2 + 1); ssb.setSpan(span, ssbOffset + ix, ssbOffset + ix2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); if (span2 != null) { ssb.setSpan(span2, ssbOffset + ix, ssbOffset + ix2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); } } scan = ix2; } } } }
From source file:org.tlhInganHol.android.klingonassistant.EntryActivity.java
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // TTS://from w ww . j a va2 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()); }