Examples with Spannable android.text.Spannable used on opensource projects

Example 11 with Spannable

use of android.text.Spannable in project android_frameworks_base by ResurrectionRemix.

the class TextView method setText.

private void setText(CharSequence text, BufferType type, boolean notifyBefore, int oldlen) {
    if (text == null) {
        text = "";
    }
    // If suggestions are not enabled, remove the suggestion spans from the text
    if (!isSuggestionsEnabled()) {
        text = removeSuggestionSpans(text);
    }
    if (!mUserSetTextScaleX)
        mTextPaint.setTextScaleX(1.0f);
    if (text instanceof Spanned && ((Spanned) text).getSpanStart(TextUtils.TruncateAt.MARQUEE) >= 0) {
        if (ViewConfiguration.get(mContext).isFadingMarqueeEnabled()) {
            setHorizontalFadingEdgeEnabled(true);
            mMarqueeFadeMode = MARQUEE_FADE_NORMAL;
        } else {
            setHorizontalFadingEdgeEnabled(false);
            mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS;
        }
        setEllipsize(TextUtils.TruncateAt.MARQUEE);
    }
    int n = mFilters.length;
    for (int i = 0; i < n; i++) {
        CharSequence out = mFilters[i].filter(text, 0, text.length(), EMPTY_SPANNED, 0, 0);
        if (out != null) {
            text = out;
        }
    }
    if (notifyBefore) {
        if (mText != null) {
            oldlen = mText.length();
            sendBeforeTextChanged(mText, 0, oldlen, text.length());
        } else {
            sendBeforeTextChanged("", 0, 0, text.length());
        }
    }
    boolean needEditableForNotification = false;
    if (mListeners != null && mListeners.size() != 0) {
        needEditableForNotification = true;
    }
    if (type == BufferType.EDITABLE || getKeyListener() != null || needEditableForNotification) {
        createEditorIfNeeded();
        mEditor.forgetUndoRedo();
        Editable t = mEditableFactory.newEditable(text);
        text = t;
        setFilters(t, mFilters);
        InputMethodManager imm = InputMethodManager.peekInstance();
        if (imm != null)
            imm.restartInput(this);
    } else if (type == BufferType.SPANNABLE || mMovement != null) {
        text = mSpannableFactory.newSpannable(text);
    } else if (!(text instanceof CharWrapper)) {
        text = TextUtils.stringOrSpannedString(text);
    }
    if (mAutoLinkMask != 0) {
        Spannable s2;
        if (type == BufferType.EDITABLE || text instanceof Spannable) {
            s2 = (Spannable) text;
        } else {
            s2 = mSpannableFactory.newSpannable(text);
        }
        if (Linkify.addLinks(s2, mAutoLinkMask)) {
            text = s2;
            type = (type == BufferType.EDITABLE) ? BufferType.EDITABLE : BufferType.SPANNABLE;
            /*
                 * We must go ahead and set the text before changing the
                 * movement method, because setMovementMethod() may call
                 * setText() again to try to upgrade the buffer type.
                 */
            mText = text;
            // would prevent an arbitrary cursor displacement.
            if (mLinksClickable && !textCanBeSelected()) {
                setMovementMethod(LinkMovementMethod.getInstance());
            }
        }
    }
    mBufferType = type;
    mText = text;
    if (mTransformation == null) {
        mTransformed = text;
    } else {
        mTransformed = mTransformation.getTransformation(text, this);
    }
    final int textLength = text.length();
    if (text instanceof Spannable && !mAllowTransformationLengthChange) {
        Spannable sp = (Spannable) text;
        // Remove any ChangeWatchers that might have come from other TextViews.
        final ChangeWatcher[] watchers = sp.getSpans(0, sp.length(), ChangeWatcher.class);
        final int count = watchers.length;
        for (int i = 0; i < count; i++) {
            sp.removeSpan(watchers[i]);
        }
        if (mChangeWatcher == null)
            mChangeWatcher = new ChangeWatcher();
        sp.setSpan(mChangeWatcher, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE | (CHANGE_WATCHER_PRIORITY << Spanned.SPAN_PRIORITY_SHIFT));
        if (mEditor != null)
            mEditor.addSpanWatchers(sp);
        if (mTransformation != null) {
            sp.setSpan(mTransformation, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
        }
        if (mMovement != null) {
            mMovement.initialize(this, (Spannable) text);
            /*
                 * Initializing the movement method will have set the
                 * selection, so reset mSelectionMoved to keep that from
                 * interfering with the normal on-focus selection-setting.
                 */
            if (mEditor != null)
                mEditor.mSelectionMoved = false;
        }
    }
    if (mLayout != null) {
        checkForRelayout();
    }
    sendOnTextChanged(text, 0, oldlen, textLength);
    onTextChanged(text, 0, oldlen, textLength);
    notifyViewAccessibilityStateChangedIfNeeded(AccessibilityEvent.CONTENT_CHANGE_TYPE_TEXT);
    if (needEditableForNotification) {
        sendAfterTextChanged((Editable) text);
    }
    // SelectionModifierCursorController depends on textCanBeSelected, which depends on text
    if (mEditor != null)
        mEditor.prepareCursorControllers();
}

Example 12 with Spannable

use of android.text.Spannable in project android_frameworks_base by ResurrectionRemix.

the class TextView method setTextKeepState.

/**
     * Like {@link #setText(CharSequence, android.widget.TextView.BufferType)},
     * except that the cursor position (if any) is retained in the new text.
     *
     * @see #setText(CharSequence, android.widget.TextView.BufferType)
     */
public final void setTextKeepState(CharSequence text, BufferType type) {
    int start = getSelectionStart();
    int end = getSelectionEnd();
    int len = text.length();
    setText(text, type);
    if (start >= 0 || end >= 0) {
        if (mText instanceof Spannable) {
            Selection.setSelection((Spannable) mText, Math.max(0, Math.min(start, len)), Math.max(0, Math.min(end, len)));
        }
    }
}

Example 13 with Spannable

use of android.text.Spannable in project android_frameworks_base by ResurrectionRemix.

the class TextView method onRestoreInstanceState.

@Override
public void onRestoreInstanceState(Parcelable state) {
    if (!(state instanceof SavedState)) {
        super.onRestoreInstanceState(state);
        return;
    }
    SavedState ss = (SavedState) state;
    super.onRestoreInstanceState(ss.getSuperState());
    // XXX restore buffer type too, as well as lots of other stuff
    if (ss.text != null) {
        setText(ss.text);
    }
    if (ss.selStart >= 0 && ss.selEnd >= 0) {
        if (mText instanceof Spannable) {
            int len = mText.length();
            if (ss.selStart > len || ss.selEnd > len) {
                String restored = "";
                if (ss.text != null) {
                    restored = "(restored) ";
                }
                Log.e(LOG_TAG, "Saved cursor position " + ss.selStart + "/" + ss.selEnd + " out of range for " + restored + "text " + mText);
            } else {
                Selection.setSelection((Spannable) mText, ss.selStart, ss.selEnd);
                if (ss.frozenWithFocus) {
                    createEditorIfNeeded();
                    mEditor.mFrozenWithFocus = true;
                }
            }
        }
    }
    if (ss.error != null) {
        final CharSequence error = ss.error;
        // Display the error later, after the first layout pass
        post(new Runnable() {

            public void run() {
                if (mEditor == null || !mEditor.mErrorWasChanged) {
                    setError(error);
                }
            }
        });
    }
    if (ss.editorState != null) {
        createEditorIfNeeded();
        mEditor.restoreInstanceState(ss.editorState);
    }
}

Example 14 with Spannable

use of android.text.Spannable in project android_frameworks_base by ResurrectionRemix.

the class TextView method moveCursorToVisibleOffset.

/**
     * Move the cursor, if needed, so that it is at an offset that is visible
     * to the user.  This will not move the cursor if it represents more than
     * one character (a selection range).  This will only work if the
     * TextView contains spannable text; otherwise it will do nothing.
     *
     * @return True if the cursor was actually moved, false otherwise.
     */
public boolean moveCursorToVisibleOffset() {
    if (!(mText instanceof Spannable)) {
        return false;
    }
    int start = getSelectionStart();
    int end = getSelectionEnd();
    if (start != end) {
        return false;
    }
    // First: make sure the line is visible on screen:
    int line = mLayout.getLineForOffset(start);
    final int top = mLayout.getLineTop(line);
    final int bottom = mLayout.getLineTop(line + 1);
    final int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom();
    int vslack = (bottom - top) / 2;
    if (vslack > vspace / 4)
        vslack = vspace / 4;
    final int vs = mScrollY;
    if (top < (vs + vslack)) {
        line = mLayout.getLineForVertical(vs + vslack + (bottom - top));
    } else if (bottom > (vspace + vs - vslack)) {
        line = mLayout.getLineForVertical(vspace + vs - vslack - (bottom - top));
    }
    // Next: make sure the character is visible on screen:
    final int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight();
    final int hs = mScrollX;
    final int leftChar = mLayout.getOffsetForHorizontal(line, hs);
    final int rightChar = mLayout.getOffsetForHorizontal(line, hspace + hs);
    // line might contain bidirectional text
    final int lowChar = leftChar < rightChar ? leftChar : rightChar;
    final int highChar = leftChar > rightChar ? leftChar : rightChar;
    int newStart = start;
    if (newStart < lowChar) {
        newStart = lowChar;
    } else if (newStart > highChar) {
        newStart = highChar;
    }
    if (newStart != start) {
        Selection.setSelection((Spannable) mText, newStart);
        return true;
    }
    return false;
}

Example 15 with Spannable

use of android.text.Spannable in project android_frameworks_base by ResurrectionRemix.

the class TextView method onSaveInstanceState.

@Override
public Parcelable onSaveInstanceState() {
    Parcelable superState = super.onSaveInstanceState();
    // Save state if we are forced to
    final boolean freezesText = getFreezesText();
    boolean hasSelection = false;
    int start = -1;
    int end = -1;
    if (mText != null) {
        start = getSelectionStart();
        end = getSelectionEnd();
        if (start >= 0 || end >= 0) {
            // Or save state if there is a selection
            hasSelection = true;
        }
    }
    if (freezesText || hasSelection) {
        SavedState ss = new SavedState(superState);
        if (freezesText) {
            if (mText instanceof Spanned) {
                final Spannable sp = new SpannableStringBuilder(mText);
                if (mEditor != null) {
                    removeMisspelledSpans(sp);
                    sp.removeSpan(mEditor.mSuggestionRangeSpan);
                }
                ss.text = sp;
            } else {
                ss.text = mText.toString();
            }
        }
        if (hasSelection) {
            // XXX Should also save the current scroll position!
            ss.selStart = start;
            ss.selEnd = end;
        }
        if (isFocused() && start >= 0 && end >= 0) {
            ss.frozenWithFocus = true;
        }
        ss.error = getError();
        if (mEditor != null) {
            ss.editorState = mEditor.saveInstanceState();
        }
        return ss;
    }
    return superState;
}