- * nachoTextView.setNachoValidator(new ChipifyingNachoValidator()); - *- * Note: The NachoValidator will be ignored if a ChipTokenizer is not set. To perform validation without a ChipTokenizer you can use - * {@link AutoCompleteTextView}'s built-in {@link AutoCompleteTextView.Validator Validator} through {@link #setValidator(Validator)} - *
- * String[] suggestions = new String[]{"suggestion 1", "suggestion 2"};
- * ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_dropdown_item_1line, suggestions);
- * nachoTextView.setAdapter(adapter);
- * nachoTextView.addChipTerminator('\n', ChipTerminatorHandler.BEHAVIOR_CHIPIFY_ALL);
- * nachoTextView.addChipTerminator(' ', ChipTerminatorHandler.BEHAVIOR_CHIPIFY_TO_TERMINATOR);
- * nachoTextView.setIllegalCharacters('@');
- * nachoTextView.setNachoValidator(new ChipifyingNachoValidator());
- * nachoTextView.enableEditChipOnTouch(true, true);
- * nachoTextView.setOnChipClickListener(new NachoTextView.OnChipClickListener() {
- * {@literal @Override}
- * public void onChipClick(Chip chip, MotionEvent motionEvent) {
- * // Handle click event
- * }
- * });
- * nachoTextView.setOnChipRemoveListener(new NachoTextView.OnChipRemoveListener() {
- * {@literal @Override}
- * public void onChipRemove(Chip chip) {
- * // Handle remove event
- * }
- * });
- *
- *
- * @see SpanChipTokenizer
- * @see DefaultChipTerminatorHandler
- * @see ChipifyingNachoValidator
- */
-public class NachoTextView extends MultiAutoCompleteTextView implements TextWatcher, AdapterView.OnItemClickListener {
-
- // UI Attributes
- private int mChipHorizontalSpacing = -1;
- private ColorStateList mChipBackground = null;
- private int mChipCornerRadius = -1;
- private int mChipTextColor = Color.TRANSPARENT;
- private int mChipTextSize = -1;
- private int mChipHeight = -1;
- private int mChipVerticalSpacing = -1;
-
- private int mDefaultPaddingTop = 0;
- private int mDefaultPaddingBottom = 0;
- /**
- * Flag to keep track of the padding state so we only update the padding when necessary
- */
- private boolean mUsingDefaultPadding = true;
-
- // Touch events
- @Nullable
- private OnChipClickListener mOnChipClickListener;
- private GestureDetector singleTapDetector;
- private boolean mEditChipOnTouchEnabled;
- private boolean mMoveChipToEndOnEdit;
- private boolean mChipifyUnterminatedTokensOnEdit;
-
- // Text entry
- @Nullable
- private ChipTokenizer mChipTokenizer;
- @Nullable
- private ChipTerminatorHandler mChipTerminatorHandler;
- @Nullable
- private NachoValidator mNachoValidator;
- @Nullable
- private IllegalCharacterIdentifier illegalCharacterIdentifier;
-
- @Nullable
- private OnChipRemoveListener mOnChipRemoveListener;
- private List- * Note: If an {@link OnChipClickListener} is set it's behavior will override the behavior described here if it's - * {@link OnChipClickListener#onChipClick(Chip, MotionEvent)} method returns true. If that method returns false, the touched chip will be put - * in editing mode as expected. - *
- * - * @param moveChipToEnd if true, the chip will also be moved to the end of the text when it is put in editing mode - * @param chipifyUnterminatedTokens if true, all unterminated tokens will be chipified before the touched chip is put in editing mode - * @see #disableEditChipOnTouch() - */ - public void enableEditChipOnTouch(boolean moveChipToEnd, boolean chipifyUnterminatedTokens) { - mEditChipOnTouchEnabled = true; - mMoveChipToEndOnEdit = moveChipToEnd; - mChipifyUnterminatedTokensOnEdit = chipifyUnterminatedTokens; - } - - /** - * Disables editing chips on touch events. To re-enable this behavior call {@link #enableEditChipOnTouch(boolean, boolean)}. - * - * @see #enableEditChipOnTouch(boolean, boolean) - */ - public void disableEditChipOnTouch() { - mEditChipOnTouchEnabled = false; - } - - /** - * Puts the provided Chip in editing mode (i.e. reverts it to an unchipified token whose text can be edited). - * - * @param chip the chip to edit - * @param moveChipToEnd if true, the chip will also be moved to the end of the text - */ - public void setEditingChip(Chip chip, boolean moveChipToEnd) { - if (mChipTokenizer == null) { - return; - } - - beginUnwatchedTextChange(); - - Editable text = getText(); - if (moveChipToEnd) { - // Move the chip text to the end of the text - text.append(chip.getText()); - // Delete the existing chip - mChipTokenizer.deleteChipAndPadding(chip, text); - // Move the cursor to the end of the text - setSelection(text.length()); - } else { - int chipStart = mChipTokenizer.findChipStart(chip, text); - mChipTokenizer.revertChipToToken(chip, text); - setSelection(mChipTokenizer.findTokenEnd(text, chipStart)); - } - - endUnwatchedTextChange(); - } - - @Override - public boolean onTouchEvent(@NonNull MotionEvent event) { - boolean wasHandled = false; - clearChipStates(); - Chip touchedChip = findTouchedChip(event); - if (touchedChip != null && isFocused() && singleTapDetector.onTouchEvent(event)) { - touchedChip.setState(View.PRESSED_SELECTED_STATE_SET); - if (onChipClicked(touchedChip)) { - wasHandled = true; - } - if (mOnChipClickListener != null) { - mOnChipClickListener.onChipClick(touchedChip, event); - } - } - - // Getting NullPointerException inside Editor.updateFloatingToolbarVisibility (Editor.java:1520) - // primarily seen in Samsung Nougat devices. - boolean superOnTouch = false; - try { - superOnTouch = super.onTouchEvent(event); - } catch (NullPointerException e) { - Log.w("Nacho", String.format("Error during touch event of type [%d]", event.getAction()), e); - // can't handle or reproduce, but will monitor the error - } - - return wasHandled || superOnTouch; - } - - @Nullable - private Chip findTouchedChip(MotionEvent event) { - if (mChipTokenizer == null) { - return null; - } - - Editable text = getText(); - int offset = getOffsetForPosition(event.getX(), event.getY()); - List
- * If there is no ChipTokenizer set, we call through to the super method.
- *
- * @param text the text to be chipified
- */
- @Override
- protected void replaceText(CharSequence text) {
- // If we have a ChipTokenizer, this will be handled by our OnItemClickListener so we can do nothing here.
- // If we don't have a ChipTokenizer, we'll use the default behavior
- if (mChipTokenizer == null) {
- super.replaceText(text);
- }
- }
-
- @Override
- public void beforeTextChanged(CharSequence s, int start, int count, int after) {
- if (mIgnoreTextChangedEvents) {
- return;
- }
-
- mTextChangedStart = start;
- mTextChangedEnd = start + after;
-
- // Check for backspace
- if (mChipTokenizer != null) {
- if (count > 0 && after < count) {
- int end = start + count;
- Editable message = getText();
- Chip[] chips = mChipTokenizer.findAllChips(start, end, message);
-
- for (Chip chip : chips) {
- int spanStart = mChipTokenizer.findChipStart(chip, message);
- int spanEnd = mChipTokenizer.findChipEnd(chip, message);
- if ((spanStart < end) && (spanEnd > start)) {
- // Add to remove list
- mChipsToRemove.add(chip);
- }
- }
- }
- }
- }
-
- @Override
- public void onTextChanged(@NonNull CharSequence textChanged, int start, int before, int count) {
- }
-
- @Override
- public void afterTextChanged(Editable message) {
- if (mIgnoreTextChangedEvents) {
- return;
- }
-
- // Avoid triggering text changed events from changes we make in this method
- beginUnwatchedTextChange();
-
- // Handle backspace key
- if (mChipTokenizer != null) {
- Iterator
- * In the context of this interface, a token is considered to be plain (non-chipped) text. Once a token is terminated it becomes or contains a chip.
- *
- * The CharSequences passed to the ChipTokenizer methods may contain both chipped text
- * and plain text so the tokenizer must have some method of distinguishing between the two (e.g. using a delimeter character.
- * The {@link #terminateToken(CharSequence, Object)} method is where a chip can be formed and returned to replace the plain text.
- * Whatever class the implementation deems to represent a chip, must implement the {@link Chip} interface.
- *
- * This will also apply the provided {@link ChipConfiguration} to any existing chips in the provided text.
- *
- *
- * (chip vertical spacing / 2)
- * ----------------------------------------------------------
- * | |
- * (left margin) | (padding edge) text (padding between image) icon | (right margin)
- * | |
- * ----------------------------------------------------------
- * (chip vertical spacing / 2)
- *
- *
- * For chips with the icon on the left (see {@link #setShowIconOnLeft(boolean)}):
- *
- *
- * (chip vertical spacing / 2)
- * ----------------------------------------------------------
- * | |
- * (left margin) | icon (padding between image) text (padding edge) | (right margin)
- * | |
- * ----------------------------------------------------------
- * (chip vertical spacing / 2)
- *
- */
-public class ChipSpan extends ImageSpan implements Chip {
-
- private static final float SCALE_PERCENT_OF_CHIP_HEIGHT = 0.70f;
- private static final boolean ICON_ON_LEFT_DEFAULT = true;
-
- private int[] mStateSet = new int[]{};
-
- private String mEllipsis;
-
- private ColorStateList mDefaultBackgroundColor;
- private ColorStateList mBackgroundColor;
- private int mTextColor;
- private int mCornerRadius = -1;
- private int mIconBackgroundColor;
-
- private int mTextSize = -1;
- private int mPaddingEdgePx;
- private int mPaddingBetweenImagePx;
- private int mLeftMarginPx;
- private int mRightMarginPx;
- private int mMaxAvailableWidth = -1;
-
- private CharSequence mText;
- private String mTextToDraw;
-
- private Drawable mIcon;
- private boolean mShowIconOnLeft = ICON_ON_LEFT_DEFAULT;
-
- private int mChipVerticalSpacing = 0;
- private int mChipHeight = -1;
- private int mChipWidth = -1;
- private int mIconWidth;
-
- private int mCachedSize = -1;
-
- private Object mData;
-
- /**
- * Constructs a new ChipSpan.
- *
- * @param context a {@link Context} that will be used to retrieve default configurations from resource files
- * @param text the text for the ChipSpan to display
- * @param icon an optional icon (can be {@code null}) for the ChipSpan to display
- */
- public ChipSpan(@NonNull Context context, @NonNull CharSequence text, @Nullable Drawable icon, Object data) {
- super(icon);
- mIcon = icon;
- mText = text;
- mTextToDraw = mText.toString();
-
- mEllipsis = context.getString(R.string.chip_ellipsis);
-
- mDefaultBackgroundColor = ContextCompat.getColorStateList(context, R.color.chip_material_background);
- mBackgroundColor = mDefaultBackgroundColor;
-
- mTextColor = ContextCompat.getColor(context, R.color.chip_default_text_color);
- mIconBackgroundColor = ContextCompat.getColor(context, R.color.chip_default_icon_background_color);
-
- Resources resources = context.getResources();
- mPaddingEdgePx = resources.getDimensionPixelSize(R.dimen.chip_default_padding_edge);
- mPaddingBetweenImagePx = resources.getDimensionPixelSize(R.dimen.chip_default_padding_between_image);
- mLeftMarginPx = resources.getDimensionPixelSize(R.dimen.chip_default_left_margin);
- mRightMarginPx = resources.getDimensionPixelSize(R.dimen.chip_default_right_margin);
-
- mData = data;
- }
-
- /**
- * Copy constructor to recreate a ChipSpan from an existing one
- *
- * @param context a {@link Context} that will be used to retrieve default configurations from resource files
- * @param chipSpan the ChipSpan to copy
- */
- public ChipSpan(@NonNull Context context, @NonNull ChipSpan chipSpan) {
- this(context, chipSpan.getText(), chipSpan.getDrawable(), chipSpan.getData());
-
- mDefaultBackgroundColor = chipSpan.mDefaultBackgroundColor;
- mTextColor = chipSpan.mTextColor;
- mIconBackgroundColor = chipSpan.mIconBackgroundColor;
- mCornerRadius = chipSpan.mCornerRadius;
-
- mTextSize = chipSpan.mTextSize;
- mPaddingEdgePx = chipSpan.mPaddingEdgePx;
- mPaddingBetweenImagePx = chipSpan.mPaddingBetweenImagePx;
- mLeftMarginPx = chipSpan.mLeftMarginPx;
- mRightMarginPx = chipSpan.mRightMarginPx;
- mMaxAvailableWidth = chipSpan.mMaxAvailableWidth;
-
- mShowIconOnLeft = chipSpan.mShowIconOnLeft;
-
- mChipVerticalSpacing = chipSpan.mChipVerticalSpacing;
- mChipHeight = chipSpan.mChipHeight;
-
- mStateSet = chipSpan.mStateSet;
- }
-
- @Override
- public Object getData() {
- return mData;
- }
-
- /**
- * Sets the height of the chip. This height should not include any extra spacing (for extra vertical spacing call {@link #setChipVerticalSpacing(int)}).
- * The background of the chip will fill the full height provided here. If this method is never called, the chip will have the height of one full line
- * of text by default. If {@code -1} is passed here, the chip will revert to this default behavior.
- *
- * @param chipHeight the height to set in pixels
- */
- public void setChipHeight(int chipHeight) {
- mChipHeight = chipHeight;
- }
-
- /**
- * Sets the vertical spacing to include in between chips. Half of the value set here will be placed as empty space above the chip and half the value
- * will be placed as empty space below the chip. Therefore chips on consecutive lines will have the full value as vertical space in between them.
- * This spacing is achieved by adjusting the font metrics used by the text view containing these chips; however it does not come into effect until
- * at least one chip is created. Note that vertical spacing is dependent on having a fixed chip height (set in {@link #setChipHeight(int)}). If a
- * height is not specified in that method, the value set here will be ignored.
- *
- * @param chipVerticalSpacing the vertical spacing to set in pixels
- */
- public void setChipVerticalSpacing(int chipVerticalSpacing) {
- mChipVerticalSpacing = chipVerticalSpacing;
- }
-
- /**
- * Sets the font size for the chip's text. If this method is never called, the chip text will have the same font size as the text in the TextView
- * containing this chip by default. If {@code -1} is passed here, the chip will revert to this default behavior.
- *
- * @param size the font size to set in pixels
- */
- public void setTextSize(int size) {
- mTextSize = size;
- invalidateCachedSize();
- }
-
- /**
- * Sets the color for the chip's text.
- *
- * @param color the color to set (as a hexadecimal number in the form 0xAARRGGBB)
- */
- public void setTextColor(int color) {
- mTextColor = color;
- }
-
- /**
- * Sets where the icon (if an icon was provided in the constructor) will appear.
- *
- * @param showIconOnLeft if true, the icon will appear on the left, otherwise the icon will appear on the right
- */
- public void setShowIconOnLeft(boolean showIconOnLeft) {
- this.mShowIconOnLeft = showIconOnLeft;
- invalidateCachedSize();
- }
-
- /**
- * Sets the left margin. This margin will appear as empty space (it will not share the chip's background color) to the left of the chip.
- *
- * @param leftMarginPx the left margin to set in pixels
- */
- public void setLeftMargin(int leftMarginPx) {
- mLeftMarginPx = leftMarginPx;
- invalidateCachedSize();
- }
-
- /**
- * Sets the right margin. This margin will appear as empty space (it will not share the chip's background color) to the right of the chip.
- *
- * @param rightMarginPx the right margin to set in pixels
- */
- public void setRightMargin(int rightMarginPx) {
- this.mRightMarginPx = rightMarginPx;
- invalidateCachedSize();
- }
-
- /**
- * Sets the background color. To configure which color in the {@link ColorStateList} is shown you can call {@link #setState(int[])}.
- * Passing {@code null} here will cause the chip to revert to it's default background.
- *
- * @param backgroundColor a {@link ColorStateList} containing backgrounds for different states.
- * @see #setState(int[])
- */
- public void setBackgroundColor(@Nullable ColorStateList backgroundColor) {
- mBackgroundColor = backgroundColor != null ? backgroundColor : mDefaultBackgroundColor;
- }
-
- /**
- * Sets the chip background corner radius.
- *
- * @param cornerRadius The corner radius value, in pixels.
- */
- public void setCornerRadius(@Dimension int cornerRadius) {
- mCornerRadius = cornerRadius;
- }
-
- /**
- * Sets the icon background color. This is the color of the circle that gets drawn behind the icon passed to the
- * {@link #ChipSpan(Context, CharSequence, Drawable, Object)} constructor}
- *
- * @param iconBackgroundColor the icon background color to set (as a hexadecimal number in the form 0xAARRGGBB)
- */
- public void setIconBackgroundColor(int iconBackgroundColor) {
- mIconBackgroundColor = iconBackgroundColor;
- }
-
- public void setMaxAvailableWidth(int maxAvailableWidth) {
- mMaxAvailableWidth = maxAvailableWidth;
- invalidateCachedSize();
- }
-
- /**
- * Sets the UI state. This state will be reflected in the background color drawn for the chip.
- *
- * @param stateSet one of the state constants in {@link android.view.View}
- * @see #setBackgroundColor(ColorStateList)
- */
- @Override
- public void setState(int[] stateSet) {
- this.mStateSet = stateSet != null ? stateSet : new int[]{};
- }
-
- @Override
- public CharSequence getText() {
- return mText;
- }
-
- @Override
- public int getWidth() {
- // If we haven't actually calculated a chip width yet just return -1, otherwise return the chip width + margins
- return mChipWidth != -1 ? (mLeftMarginPx + mChipWidth + mRightMarginPx) : -1;
- }
-
- @Override
- public int getSize(Paint paint, CharSequence text, int start, int end, Paint.FontMetricsInt fm) {
- boolean usingFontMetrics = (fm != null);
-
- // Adjust the font metrics regardless of whether or not there is a cached size so that the text view can maintain its height
- if (usingFontMetrics) {
- adjustFontMetrics(paint, fm);
- }
-
- if (mCachedSize == -1 && usingFontMetrics) {
- mIconWidth = (mIcon != null) ? calculateChipHeight(fm.top, fm.bottom) : 0;
-
- int actualWidth = calculateActualWidth(paint);
- mCachedSize = actualWidth;
-
- if (mMaxAvailableWidth != -1) {
- int maxAvailableWidthMinusMargins = mMaxAvailableWidth - mLeftMarginPx - mRightMarginPx;
- if (actualWidth > maxAvailableWidthMinusMargins) {
- mTextToDraw = mText + mEllipsis;
-
- while ((calculateActualWidth(paint) > maxAvailableWidthMinusMargins) && mTextToDraw.length() > 0) {
- int lastCharacterIndex = mTextToDraw.length() - mEllipsis.length() - 1;
- if (lastCharacterIndex < 0) {
- break;
- }
- mTextToDraw = mTextToDraw.substring(0, lastCharacterIndex) + mEllipsis;
- }
-
- // Avoid a negative width
- mChipWidth = Math.max(0, maxAvailableWidthMinusMargins);
- mCachedSize = mMaxAvailableWidth;
- }
- }
- }
-
- return mCachedSize;
- }
-
- private int calculateActualWidth(Paint paint) {
- // Only change the text size if a text size was set
- if (mTextSize != -1) {
- paint.setTextSize(mTextSize);
- }
-
- int totalPadding = mPaddingEdgePx;
-
- // Find text width
- Rect bounds = new Rect();
- paint.getTextBounds(mTextToDraw, 0, mTextToDraw.length(), bounds);
- int textWidth = bounds.width();
-
- if (mIcon != null) {
- totalPadding += mPaddingBetweenImagePx;
- } else {
- totalPadding += mPaddingEdgePx;
- }
-
- mChipWidth = totalPadding + textWidth + mIconWidth;
- return getWidth();
- }
-
- public void invalidateCachedSize() {
- mCachedSize = -1;
- }
-
- /**
- * Adjusts the provided font metrics to make it seem like the font takes up {@code mChipHeight + mChipVerticalSpacing} pixels in height.
- * This effectively ensures that the TextView will have a height equal to {@code mChipHeight + mChipVerticalSpacing} + whatever padding it has set.
- * In {@link #draw(Canvas, CharSequence, int, int, float, int, int, int, Paint)} the chip itself is drawn to that it is vertically centered with
- * {@code mChipVerticalSpacing / 2} pixels of space above and below it
- *
- * @param paint the paint whose font metrics should be adjusted
- * @param fm the font metrics object to populate through {@link Paint#getFontMetricsInt(Paint.FontMetricsInt)}
- */
- private void adjustFontMetrics(Paint paint, Paint.FontMetricsInt fm) {
- // Only actually adjust font metrics if we have a chip height set
- if (mChipHeight != -1) {
- paint.getFontMetricsInt(fm);
- int textHeight = fm.descent - fm.ascent;
- // Break up the vertical spacing in half because half will go above the chip, half will go below the chip
- int halfSpacing = mChipVerticalSpacing / 2;
-
- // Given that the text is centered vertically within the chip, the amount of space above or below the text (inbetween the text and chip)
- // is half their difference in height:
- int spaceBetweenChipAndText = (mChipHeight - textHeight) / 2;
-
- int textTop = fm.top;
- int chipTop = fm.top - spaceBetweenChipAndText;
-
- int textBottom = fm.bottom;
- int chipBottom = fm.bottom + spaceBetweenChipAndText;
-
- // The text may have been taller to begin with so we take the most negative coordinate (highest up) to be the top of the content
- int topOfContent = Math.min(textTop, chipTop);
- // Same as above but we want the largest positive coordinate (lowest down) to be the bottom of the content
- int bottomOfContent = Math.max(textBottom, chipBottom);
-
- // Shift the top up by halfSpacing and the bottom down by halfSpacing
- int topOfContentWithSpacing = topOfContent - halfSpacing;
- int bottomOfContentWithSpacing = bottomOfContent + halfSpacing;
-
- // Change the font metrics so that the TextView thinks the font takes up the vertical space of a chip + spacing
- fm.ascent = topOfContentWithSpacing;
- fm.descent = bottomOfContentWithSpacing;
- fm.top = topOfContentWithSpacing;
- fm.bottom = bottomOfContentWithSpacing;
- }
- }
-
- private int calculateChipHeight(int top, int bottom) {
- // If a chip height was set we can return that, otherwise calculate it from top and bottom
- return mChipHeight != -1 ? mChipHeight : bottom - top;
- }
-
- @Override
- public void draw(Canvas canvas, CharSequence text, int start, int end, float x, int top, int y, int bottom, Paint paint) {
- // Shift everything mLeftMarginPx to the left to create an empty space on the left (creating the margin)
- x += mLeftMarginPx;
- if (mChipHeight != -1) {
- // If we set a chip height, adjust to vertically center chip in the line
- // Adding (bottom - top) / 2 shifts the chip down so the top of it will be centered vertically
- // Subtracting (mChipHeight / 2) shifts the chip back up so that the center of it will be centered vertically (as desired)
- top += ((bottom - top) / 2) - (mChipHeight / 2);
- bottom = top + mChipHeight;
- }
-
- // Perform actual drawing
- drawBackground(canvas, x, top, bottom, paint);
- drawText(canvas, x, top, bottom, paint, mTextToDraw);
- if (mIcon != null) {
- drawIcon(canvas, x, top, bottom, paint);
- }
- }
-
- private void drawBackground(Canvas canvas, float x, int top, int bottom, Paint paint) {
- int backgroundColor = mBackgroundColor.getColorForState(mStateSet, mBackgroundColor.getDefaultColor());
- paint.setColor(backgroundColor);
- int height = calculateChipHeight(top, bottom);
- RectF rect = new RectF(x, top, x + mChipWidth, bottom);
- int cornerRadius = (mCornerRadius != -1) ? mCornerRadius : height / 2;
- canvas.drawRoundRect(rect, cornerRadius, cornerRadius, paint);
- paint.setColor(mTextColor);
- }
-
- private void drawText(Canvas canvas, float x, int top, int bottom, Paint paint, CharSequence text) {
- if (mTextSize != -1) {
- paint.setTextSize(mTextSize);
- }
- int height = calculateChipHeight(top, bottom);
- Paint.FontMetrics fm = paint.getFontMetrics();
-
- // The top value provided here is the y coordinate for the very top of the chip
- // The y coordinate we are calculating is where the baseline of the text will be drawn
- // Our objective is to have the midpoint between the top and baseline of the text be in line with the vertical center of the chip
- // First we add height / 2 which will put the baseline at the vertical center of the chip
- // Then we add half the height of the text which will lower baseline so that the midpoint is at the vertical center of the chip as desired
- float adjustedY = top + ((height / 2) + ((-fm.top - fm.bottom) / 2));
-
- // The x coordinate provided here is the left-most edge of the chip
- // If there is no icon or the icon is on the right, then the text will start at the left-most edge, but indented with the edge padding, so we
- // add mPaddingEdgePx
- // If there is an icon and it's on the left, the text will start at the left-most edge, but indented by the combined width of the icon and
- // the padding between the icon and text, so we add (mIconWidth + mPaddingBetweenImagePx)
- float adjustedX = x + ((mIcon == null || !mShowIconOnLeft) ? mPaddingEdgePx : (mIconWidth + mPaddingBetweenImagePx));
-
- canvas.drawText(text, 0, text.length(), adjustedX, adjustedY, paint);
- }
-
- private void drawIcon(Canvas canvas, float x, int top, int bottom, Paint paint) {
- drawIconBackground(canvas, x, top, bottom, paint);
- drawIconBitmap(canvas, x, top, bottom, paint);
- }
-
- private void drawIconBackground(Canvas canvas, float x, int top, int bottom, Paint paint) {
- int height = calculateChipHeight(top, bottom);
-
- paint.setColor(mIconBackgroundColor);
-
- // Since it's a circle the diameter is equal to the height, so the radius == diameter / 2 == height / 2
- int radius = height / 2;
- // The coordinates that get passed to drawCircle are for the center of the circle
- // x is the left edge of the chip, (x + mChipWidth) is the right edge of the chip
- // So the center of the circle is one radius distance from either the left or right edge (depending on which side the icon is being drawn on)
- float circleX = mShowIconOnLeft ? (x + radius) : (x + mChipWidth - radius);
- // The y coordinate is always just one radius distance from the top
- canvas.drawCircle(circleX, top + radius, radius, paint);
-
- paint.setColor(mTextColor);
- }
-
- private void drawIconBitmap(Canvas canvas, float x, int top, int bottom, Paint paint) {
- int height = calculateChipHeight(top, bottom);
-
- // Create a scaled down version of the bitmap to fit within the circle (whose diameter == height)
- Bitmap iconBitmap = Bitmap.createBitmap(mIcon.getIntrinsicWidth(), mIcon.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
- Bitmap scaledIconBitMap = scaleDown(iconBitmap, (float) height * SCALE_PERCENT_OF_CHIP_HEIGHT, true);
- iconBitmap.recycle();
- Canvas bitmapCanvas = new Canvas(scaledIconBitMap);
- mIcon.setBounds(0, 0, bitmapCanvas.getWidth(), bitmapCanvas.getHeight());
- mIcon.draw(bitmapCanvas);
-
- // We are drawing a square icon inside of a circle
- // The coordinates we pass to canvas.drawBitmap have to be for the top-left corner of the bitmap
- // The bitmap should be inset by half of (circle width - bitmap width)
- // Since it's a circle, the circle's width is equal to it's height which is equal to the chip height
- float xInsetWithinCircle = (height - bitmapCanvas.getWidth()) / 2;
-
- // The icon x coordinate is going to be insetWithinCircle pixels away from the left edge of the circle
- // If the icon is on the left, the left edge of the circle is just x
- // If the icon is on the right, the left edge of the circle is x + mChipWidth - height
- float iconX = mShowIconOnLeft ? (x + xInsetWithinCircle) : (x + mChipWidth - height + xInsetWithinCircle);
-
- // The y coordinate works the same way (only it's always from the top edge)
- float yInsetWithinCircle = (height - bitmapCanvas.getHeight()) / 2;
- float iconY = top + yInsetWithinCircle;
-
- canvas.drawBitmap(scaledIconBitMap, iconX, iconY, paint);
- }
-
- private Bitmap scaleDown(Bitmap realImage, float maxImageSize, boolean filter) {
- float ratio = Math.min(maxImageSize / realImage.getWidth(), maxImageSize / realImage.getHeight());
- int width = Math.round(ratio * realImage.getWidth());
- int height = Math.round(ratio * realImage.getHeight());
- return Bitmap.createScaledBitmap(realImage, width, height, filter);
- }
-
- @Override
- public String toString() {
- return mText.toString();
- }
-}
diff --git a/nachos/src/main/java/com/hootsuite/nachos/chip/ChipSpanChipCreator.java b/nachos/src/main/java/com/hootsuite/nachos/chip/ChipSpanChipCreator.java
deleted file mode 100644
index 8e0278f0..00000000
--- a/nachos/src/main/java/com/hootsuite/nachos/chip/ChipSpanChipCreator.java
+++ /dev/null
@@ -1,60 +0,0 @@
-package com.hootsuite.nachos.chip;
-
-import android.content.Context;
-import android.content.res.ColorStateList;
-import android.graphics.Color;
-
-import androidx.annotation.NonNull;
-
-import com.hootsuite.nachos.ChipConfiguration;
-
-public class ChipSpanChipCreator implements ChipCreator
- *
- *
- * @param character the character to mark as a chip terminator
- * @param behavior the behavior describing how to respond to the chip terminator
- */
- void addChipTerminator(char character, int behavior);
-
- /**
- * Customizes the way paste events are handled.
- * If one of:
- *
- *
- * is passed, all chip terminators will be handled with that behavior when a paste event occurs.
- * If {@link #PASTE_BEHAVIOR_USE_DEFAULT} is passed, whatever behavior is configured for a particular chip terminator
- * (through {@link #setChipTerminators(Map)} or {@link #addChipTerminator(char, int)} will be used for that chip terminator
- *
- * @param pasteBehavior the behavior to use on a paste event
- */
- void setPasteBehavior(int pasteBehavior);
-
- /**
- * Parses the provided text looking for characters marked as chip terminators through {@link #addChipTerminator(char, int)} and {@link #setChipTerminators(Map)}.
- * The provided {@link Editable} will be modified if chip terminators are encountered.
- *
- * @param tokenizer the {@link ChipTokenizer} to use to identify and chipify tokens in the text
- * @param text the text in which to search for chip terminators tokens to be chipped
- * @param start the index at which to begin looking for chip terminators (inclusive)
- * @param end the index at which to end looking for chip terminators (exclusive)
- * @param isPasteEvent true if this handling is for a paste event in which case the behavior set in {@link #setPasteBehavior(int)} will be used,
- * otherwise false
- * @return an non-negative integer indicating the index where the cursor (selection) should be placed once the handling is complete,
- * or a negative integer indicating that the cursor should not be moved.
- */
- int findAndHandleChipTerminators(@NonNull ChipTokenizer tokenizer, @NonNull Editable text, int start, int end, boolean isPasteEvent);
-}
diff --git a/nachos/src/main/java/com/hootsuite/nachos/terminator/DefaultChipTerminatorHandler.java b/nachos/src/main/java/com/hootsuite/nachos/terminator/DefaultChipTerminatorHandler.java
deleted file mode 100644
index 75cb9b0d..00000000
--- a/nachos/src/main/java/com/hootsuite/nachos/terminator/DefaultChipTerminatorHandler.java
+++ /dev/null
@@ -1,115 +0,0 @@
-package com.hootsuite.nachos.terminator;
-
-import android.text.Editable;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.hootsuite.nachos.tokenizer.ChipTokenizer;
-
-import java.util.HashMap;
-import java.util.Map;
-
-public class DefaultChipTerminatorHandler implements ChipTerminatorHandler {
-
- @Nullable
- private Mapcursor within text.
- */
- int findTokenStart(CharSequence text, int cursor);
-
- /**
- * Returns the end of the token (minus trailing punctuation)
- * that begins at offset cursor within text.
- */
- int findTokenEnd(CharSequence text, int cursor);
-
- /**
- * Searches through {@code text} for any tokens.
- *
- * @param text the text in which to search for un-terminated tokens
- * @return a list of {@link Pair}s of the form (startIndex, endIndex) containing the locations of all
- * unterminated tokens
- */
- @NonNull
- Listtext, modified, if necessary, to ensure that
- * it ends with a token terminator (for example a space or comma).
- */
- CharSequence terminateToken(CharSequence text, @Nullable Object data);
-
- /**
- * Terminates (converts from token into chip) all unterminated tokens in the provided text.
- * This method CAN alter the provided text.
- *
- * @param text the text in which to terminate all tokens
- */
- void terminateAllTokens(Editable text);
-
- /**
- * Finds the index of the first character in {@code text} that is a part of {@code chip}
- *
- * @param chip the chip whose start should be found
- * @param text the text in which to search for the start of {@code chip}
- * @return the start index of the chip
- */
- int findChipStart(Chip chip, Spanned text);
-
- /**
- * Finds the index of the character after the last character in {@code text} that is a part of {@code chip}
- *
- * @param chip the chip whose end should be found
- * @param text the text in which to search for the end of {@code chip}
- * @return the end index of the chip
- */
- int findChipEnd(Chip chip, Spanned text);
-
- /**
- * Searches through {@code text} for any chips
- *
- * @param start index to start looking for terminated tokens (inclusive)
- * @param end index to end looking for terminated tokens (exclusive)
- * @param text the text in which to search for terminated tokens
- * @return a list of objects implementing the {@link Chip} interface to represent the terminated tokens
- */
- @NonNull
- Chip[] findAllChips(int start, int end, Spanned text);
-
- /**
- * Effectively does the opposite of {@link #terminateToken(CharSequence, Object)} by reverting the provided chip back into a token.
- * This method CAN alter the provided text.
- *
- * @param chip the chip to revert into a token
- * @param text the text in which the chip resides
- */
- void revertChipToToken(Chip chip, Editable text);
-
- /**
- * Removes a chip and any text it encompasses from {@code text}. This method CAN alter the provided text.
- *
- * @param chip the chip to remove
- * @param text the text to remove the chip from
- */
- void deleteChip(Chip chip, Editable text);
-
- /**
- * Removes a chip, any text it encompasses AND any padding text (such as spaces) that may have been inserted when the chip was created in
- * {@link #terminateToken(CharSequence, Object)} or after. This method CAN alter the provided text.
- *
- * @param chip the chip to remove
- * @param text the text to remove the chip and padding from
- */
- void deleteChipAndPadding(Chip chip, Editable text);
-}
diff --git a/nachos/src/main/java/com/hootsuite/nachos/tokenizer/SpanChipTokenizer.java b/nachos/src/main/java/com/hootsuite/nachos/tokenizer/SpanChipTokenizer.java
deleted file mode 100644
index 79410e20..00000000
--- a/nachos/src/main/java/com/hootsuite/nachos/tokenizer/SpanChipTokenizer.java
+++ /dev/null
@@ -1,248 +0,0 @@
-package com.hootsuite.nachos.tokenizer;
-
-import android.content.Context;
-import android.text.Editable;
-import android.text.SpannableString;
-import android.text.Spanned;
-import android.util.Pair;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.hootsuite.nachos.ChipConfiguration;
-import com.hootsuite.nachos.chip.Chip;
-import com.hootsuite.nachos.chip.ChipCreator;
-import com.hootsuite.nachos.chip.ChipSpan;
-
-import java.lang.reflect.Array;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-
-/**
- * A default implementation of {@link ChipTokenizer}.
- * This implementation does the following:
- *
- *
- * Each terminated token will therefore look like the following (this is what will be returned from {@link #terminateToken(CharSequence, Object)}):
- *
- *
- *
- * -----------------------------------------------------------
- * | SpannableString |
- * | ---------------------------------------------------- |
- * | | ChipSpan | |
- * | | | |
- * | | space separator text separator space | |
- * | | | |
- * | ---------------------------------------------------- |
- * -----------------------------------------------------------
- *
- *
- * @see ChipSpan
- */
-public class SpanChipTokenizer