Ejemplo n.º 1
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  public final void testEqualsObject() {
    Rect r = new Rect(3, 4, 20, 30);

    assertFalse(r.equals(null));
    assertFalse(r.equals(new Object()));
    assertTrue(r.equals(new Rect(3, 4, 20, 30)));
  }
Ejemplo n.º 2
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  public final void testGetBottomRight() {
    Rect r = new Rect(3, 4, 20, 30);
    Point p = r.getBottomRight();

    assertEquals(3 + 20, p.x);
    assertEquals(4 + 30, p.y);
  }
Ejemplo n.º 3
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  public final void testGetCenter() {
    Rect r = new Rect(3, 4, 20, 30);
    Point p = r.getCenter();

    assertEquals(3 + 20 / 2, p.x);
    assertEquals(4 + 30 / 2, p.y);
  }
Ejemplo n.º 4
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  public final void testCopy() {
    Rect r = new Rect(1, 2, 3, 4);
    Rect r2 = r.copy();

    assertNotSame(r2, r);
    assertEquals(r2, r);
  }
Ejemplo n.º 5
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  public final void testGetTopLeft() {
    Rect r = new Rect(3, 4, 20, 30);
    Point p = r.getTopLeft();

    assertEquals(3, p.x);
    assertEquals(4, p.y);
  }
Ejemplo n.º 6
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 public final void testCenter() {
   Rect r = new Rect(10, 20, 30, 40);
   Point center = r.center();
   assertEquals(25, center.x);
   assertEquals(40, center.y);
   assertEquals(25, r.centerX());
   assertEquals(40, r.centerY());
 }
  /**
   * Computes a horizontal "gap" match - a preferred distance from the nearest edge, including
   * margin edges
   */
  private void addColumnGapMatch(
      Rect bounds, int x1, int x2, List<GridMatch> columnMatches, int max) {
    if (x1 < bounds.x + MARGIN_SIZE + max) {
      int matchedLine = bounds.x + MARGIN_SIZE;
      int distance = abs(matchedLine - x1);
      if (distance <= max) {
        boolean createCell = mGrid.getColumnX(mGrid.getColumn(matchedLine)) != matchedLine;
        columnMatches.add(
            new GridMatch(SegmentType.LEFT, distance, matchedLine, 0, createCell, MARGIN_SIZE));
      }
    } else if (x2 > bounds.x2() - MARGIN_SIZE - max) {
      int matchedLine = bounds.x2() - MARGIN_SIZE;
      int distance = abs(matchedLine - x2);
      if (distance <= max) {
        // This does not yet work properly; we need to use columnWeights to achieve this
        // boolean createCell = mGrid.getColumnX(mGrid.getColumn(matchedLine)) != matchedLine;
        // columnMatches.add(new GridMatch(SegmentType.RIGHT, distance, matchedLine,
        //        mGrid.actualColumnCount - 1, createCell, MARGIN_SIZE));
      }
    } else {
      int columnRight = mGrid.getColumn(x1 - SHORT_GAP_DP);
      int columnX = mGrid.getColumnMaxX(columnRight);
      int matchedLine = columnX + SHORT_GAP_DP;
      int distance = abs(matchedLine - x1);
      if (distance <= max) {
        boolean createCell = mGrid.getColumnX(mGrid.getColumn(matchedLine)) != matchedLine;
        columnMatches.add(
            new GridMatch(
                SegmentType.LEFT, distance, matchedLine, columnRight, createCell, SHORT_GAP_DP));
      }

      // Add a column directly adjacent (no gap)
      columnRight = mGrid.getColumn(x1);
      columnX = mGrid.getColumnMaxX(columnRight);
      matchedLine = columnX;
      distance = abs(matchedLine - x1);

      // Let's say you have this arrangement:
      //     [button1][button2]
      // This is two columns, where the right hand side edge of column 1 is
      // flush with the left side edge of column 2, because in fact the width of
      // button1 is what defines the width of column 1, and that in turn is what
      // defines the left side position of column 2.
      //
      // In this case we don't want to consider inserting a new column at the
      // right hand side of button1 a better match than matching left on column 2.
      // Therefore, to ensure that this doesn't happen, we "penalize" right column
      // matches such that they don't get preferential treatment when the matching
      // line is on the left side of the column.
      distance += 2;

      if (distance <= max) {
        boolean createCell = mGrid.getColumnX(mGrid.getColumn(matchedLine)) != matchedLine;
        columnMatches.add(
            new GridMatch(SegmentType.LEFT, distance, matchedLine, columnRight, createCell, 0));
      }
    }
  }
Ejemplo n.º 8
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  public final void testOffsetBy() {
    Rect r = new Rect(3, 4, 20, 30);
    Rect r2 = r.offsetBy(100, 200);

    assertSame(r2, r);
    assertEquals(103, r.x);
    assertEquals(204, r.y);
    assertEquals(20, r.w);
    assertEquals(30, r.h);
  }
Ejemplo n.º 9
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  public final void testMoveTo() {
    Rect r = new Rect(3, 4, 20, 30);
    Rect r2 = r.moveTo(100, 200);

    assertSame(r2, r);
    assertEquals(100, r.x);
    assertEquals(200, r.y);
    assertEquals(20, r.w);
    assertEquals(30, r.h);
  }
Ejemplo n.º 10
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  public final void testSetIntIntIntInt() {
    Rect r = new Rect(1, 2, 3, 4);
    Rect r2 = r.set(3, 4, 20, 30);

    assertSame(r2, r);
    assertEquals(3, r2.x);
    assertEquals(4, r2.y);
    assertEquals(20, r2.w);
    assertEquals(30, r2.h);
  }
Ejemplo n.º 11
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  public final void testSetRect() {
    Rect r = new Rect(1, 2, 3, 4);
    Rect r2 = new Rect(3, 4, 20, 30);
    Rect r3 = r.set(r2);

    assertSame(r3, r);
    assertNotSame(r3, r2);
    assertEquals(3, r.x);
    assertEquals(4, r.y);
    assertEquals(20, r.w);
    assertEquals(30, r.h);
  }
Ejemplo n.º 12
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  public final void testContainsPoint() {
    Rect r = new Rect(3, 4, 20, 30);

    assertTrue(r.contains(new Point(3, 4)));
    assertTrue(r.contains(new Point(3 + 19, 4)));
    assertTrue(r.contains(new Point(3 + 19, 4 + 29)));
    assertTrue(r.contains(new Point(3, 4 + 29)));

    assertFalse(r.contains(new Point(3 - 1, 4)));
    assertFalse(r.contains(new Point(3, 4 - 1)));
    assertFalse(r.contains(new Point(3 - 1, 4 - 1)));

    assertFalse(r.contains(new Point(3 + 20, 4)));
    assertFalse(r.contains(new Point(3 + 20, 4 + 30)));
    assertFalse(r.contains(new Point(3, 4 + 30)));
  }
Ejemplo n.º 13
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  public final void testHashCode() {
    Rect r = new Rect(1, 2, 3, 4);
    Rect r1 = new Rect(3, 4, 20, 30);
    Rect r2 = new Rect(3, 4, 20, 30);

    assertFalse(r1.hashCode() == r.hashCode());
    assertEquals(r2.hashCode(), r1.hashCode());
  }
  /**
   * Computes a vertical "gap" match - a preferred distance from the nearest edge, including margin
   * edges
   */
  private void addRowGapMatch(Rect bounds, int y1, int y2, List<GridMatch> rowMatches, int max) {
    if (y1 < bounds.y + MARGIN_SIZE + max) {
      int matchedLine = bounds.y + MARGIN_SIZE;
      int distance = abs(matchedLine - y1);
      if (distance <= max) {
        boolean createCell = mGrid.getRowY(mGrid.getRow(matchedLine)) != matchedLine;
        rowMatches.add(
            new GridMatch(SegmentType.TOP, distance, matchedLine, 0, createCell, MARGIN_SIZE));
      }
    } else if (y2 > bounds.y2() - MARGIN_SIZE - max) {
      int matchedLine = bounds.y2() - MARGIN_SIZE;
      int distance = abs(matchedLine - y2);
      if (distance <= max) {
        // This does not yet work properly; we need to use columnWeights to achieve this
        // boolean createCell = mGrid.getRowY(mGrid.getRow(matchedLine)) != matchedLine;
        // rowMatches.add(new GridMatch(SegmentType.BOTTOM, distance, matchedLine,
        //        mGrid.actualRowCount - 1, createCell, MARGIN_SIZE));
      }
    } else {
      int rowBottom = mGrid.getRow(y1 - SHORT_GAP_DP);
      int rowY = mGrid.getRowMaxY(rowBottom);
      int matchedLine = rowY + SHORT_GAP_DP;
      int distance = abs(matchedLine - y1);
      if (distance <= max) {
        boolean createCell = mGrid.getRowY(mGrid.getRow(matchedLine)) != matchedLine;
        rowMatches.add(
            new GridMatch(
                SegmentType.TOP, distance, matchedLine, rowBottom, createCell, SHORT_GAP_DP));
      }

      // Add a row directly adjacent (no gap)
      rowBottom = mGrid.getRow(y1);
      rowY = mGrid.getRowMaxY(rowBottom);
      matchedLine = rowY;
      distance = abs(matchedLine - y1);
      distance += 2; // See explanation in addColumnGapMatch
      if (distance <= max) {
        boolean createCell = mGrid.getRowY(mGrid.getRow(matchedLine)) != matchedLine;
        rowMatches.add(
            new GridMatch(SegmentType.TOP, distance, matchedLine, rowBottom, createCell, 0));
      }
    }
  }
Ejemplo n.º 15
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  public final void testIntersects() {
    Rect r1 = new Rect(0, 0, 10, 10);
    Rect r2 = new Rect(1, 1, 5, 5);
    Rect r3 = new Rect(10, 0, 1, 1);
    Rect r4 = new Rect(5, 5, 10, 10);
    Rect r5 = new Rect(-1, 0, 1, 1);
    Rect r6 = new Rect(0, 10, 1, 1);

    assertTrue(r1.intersects(r2));
    assertTrue(r2.intersects(r1));
    assertTrue(r1.intersects(r4));
    assertFalse(r1.intersects(r3));
    assertFalse(r1.intersects(r5));
    assertFalse(r1.intersects(r6));
  }
Ejemplo n.º 16
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  public final void testEqualsObject_Invalid() {
    Rect r = new Rect(3, 4, 20, 30);
    assertTrue(r.isValid());

    Rect i1 = new Rect(3, 4, 0, 0);
    assertFalse(i1.isValid());
    Rect i2 = new Rect(10, 20, 0, 0);
    assertFalse(i2.isValid());

    // valid rects can't be equal to invalid rects
    assertFalse(r.equals(i1));
    assertFalse(r.equals(i2));

    // invalid rects are equal to each other whatever their content is
    assertEquals(i2, i1);
  }
Ejemplo n.º 17
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  public final void testIsValid() {
    Rect r = new Rect();
    assertFalse(r.isValid());

    r = new Rect(1, 2, 3, 4);
    assertTrue(r.isValid());

    // Rectangles must have a width > 0 to be valid
    r = new Rect(1, 2, 0, 4);
    assertFalse(r.isValid());
    r = new Rect(1, 2, -5, 4);
    assertFalse(r.isValid());

    // Rectangles must have a height > 0 to be valid
    r = new Rect(1, 2, 3, 0);
    assertFalse(r.isValid());
    r = new Rect(1, 2, 3, -5);
    assertFalse(r.isValid());

    r = new Rect(1, 2, 0, 0);
    assertFalse(r.isValid());
    r = new Rect(1, 2, -20, -5);
    assertFalse(r.isValid());
  }
 /** Adds a horizontal match with the center axis of the GridLayout */
 private void addCenterColumnMatch(
     Rect bounds, int x1, int y1, int x2, int y2, List<GridMatch> columnMatches, int max) {
   Collection<INode> intersectsRow = mGrid.getIntersectsRow(y1, y2);
   if (intersectsRow.size() == 0) {
     // Offer centering on this row since there isn't anything there
     int matchedLine = bounds.centerX();
     int distance = abs((x1 + x2) / 2 - matchedLine);
     if (distance <= 2 * max) {
       boolean createCell = false; // always just put in column 0
       columnMatches.add(
           new GridMatch(
               SegmentType.CENTER_HORIZONTAL,
               distance,
               matchedLine,
               0 /* column */,
               createCell,
               UNDEFINED));
     }
   }
 }
  /**
   * Computes the best horizontal and vertical matches for a drag to the given position.
   *
   * @param feedback a {@link DropFeedback} object containing drag state like the drag bounds and
   *     the drag baseline
   * @param p the mouse position
   */
  public void computeMatches(DropFeedback feedback, Point p) {
    mRowMatch = mColumnMatch = null;
    feedback.tooltip = null;

    Rect bounds = mGrid.layout.getBounds();
    int x1 = p.x;
    int y1 = p.y;

    Rect dragBounds = feedback.dragBounds;
    int w = dragBounds != null ? dragBounds.w : 0;
    int h = dragBounds != null ? dragBounds.h : 0;
    if (!GridLayoutRule.sGridMode) {
      if (dragBounds != null) {
        // Sometimes the items are centered under the mouse so
        // offset by the top left corner distance
        x1 += dragBounds.x;
        y1 += dragBounds.y;
      }

      int x2 = x1 + w;
      int y2 = y1 + h;

      if (x2 < bounds.x || y2 < bounds.y || x1 > bounds.x2() || y1 > bounds.y2()) {
        return;
      }

      List<GridMatch> columnMatches = new ArrayList<GridMatch>();
      List<GridMatch> rowMatches = new ArrayList<GridMatch>();
      int max = BaseLayoutRule.getMaxMatchDistance();

      // Column matches:
      addLeftSideMatch(x1, columnMatches, max);
      addRightSideMatch(x2, columnMatches, max);
      addCenterColumnMatch(bounds, x1, y1, x2, y2, columnMatches, max);

      // Row matches:
      int row = (mGrid.getViewCount() == 0) ? 0 : mGrid.getClosestRow(y1);
      int rowY = mGrid.getRowY(row);
      addTopMatch(y1, rowMatches, max, row, rowY);
      addBaselineMatch(feedback.dragBaseline, y1, rowMatches, max, row, rowY);
      addBottomMatch(y2, rowMatches, max);

      // Look for gap-matches: Predefined spacing between widgets.
      // TODO: Make this use metadata for predefined spacing between
      // pairs of types of components. For example, buttons have certain
      // inserts in their 9-patch files (depending on the theme) that should
      // be considered and subtracted from the overall proposed distance!
      addColumnGapMatch(bounds, x1, x2, columnMatches, max);
      addRowGapMatch(bounds, y1, y2, rowMatches, max);

      // Fallback: Split existing cell. Also do snap-to-grid.
      if (GridLayoutRule.sSnapToGrid) {
        x1 = ((x1 - MARGIN_SIZE - bounds.x) / GRID_SIZE) * GRID_SIZE + MARGIN_SIZE + bounds.x;
        y1 = ((y1 - MARGIN_SIZE - bounds.y) / GRID_SIZE) * GRID_SIZE + MARGIN_SIZE + bounds.y;
        x2 = x1 + w;
        y2 = y1 + h;
      }

      if (columnMatches.size() == 0 && x1 >= bounds.x) {
        // Split the current cell since we have no matches
        // TODO: Decide whether it should be gravity left or right...
        columnMatches.add(
            new GridMatch(
                SegmentType.LEFT, 0, x1, mGrid.getColumn(x1), true /* createCell */, UNDEFINED));
      }
      if (rowMatches.size() == 0 && y1 >= bounds.y) {
        rowMatches.add(
            new GridMatch(
                SegmentType.TOP, 0, y1, mGrid.getRow(y1), true /* createCell */, UNDEFINED));
      }

      // Pick best matches
      Collections.sort(rowMatches);
      Collections.sort(columnMatches);

      mColumnMatch = null;
      mRowMatch = null;
      String columnDescription = null;
      String rowDescription = null;
      if (columnMatches.size() > 0) {
        mColumnMatch = columnMatches.get(0);
        columnDescription = mColumnMatch.getDisplayName(mGrid.layout);
      }
      if (rowMatches.size() > 0) {
        mRowMatch = rowMatches.get(0);
        rowDescription = mRowMatch.getDisplayName(mGrid.layout);
      }

      if (columnDescription != null && rowDescription != null) {
        feedback.tooltip = columnDescription + '\n' + rowDescription;
      }

      feedback.invalidTarget = mColumnMatch == null || mRowMatch == null;
    } else {
      // Find which cell we're inside.

      // TODO: Find out where within the cell we are, and offer to tweak the gravity
      // based on the position.
      int column = mGrid.getColumn(x1);
      int row = mGrid.getRow(y1);

      int leftDistance = mGrid.getColumnDistance(column, x1);
      int rightDistance = mGrid.getColumnDistance(column + 1, x1);
      int topDistance = mGrid.getRowDistance(row, y1);
      int bottomDistance = mGrid.getRowDistance(row + 1, y1);

      int SLOP = 2;
      int radius = mRule.getNewCellSize();
      if (rightDistance < radius + SLOP) {
        column = Math.min(column + 1, mGrid.actualColumnCount);
        leftDistance = rightDistance;
      }
      if (bottomDistance < radius + SLOP) {
        row = Math.min(row + 1, mGrid.actualRowCount);
        topDistance = bottomDistance;
      }

      boolean createColumn = leftDistance < radius + SLOP;
      boolean createRow = topDistance < radius + SLOP;
      if (x1 >= bounds.x2()) {
        createColumn = true;
      }
      if (y1 >= bounds.y2()) {
        createRow = true;
      }

      int cellWidth = leftDistance + rightDistance;
      int cellHeight = topDistance + bottomDistance;
      SegmentType horizontalType = SegmentType.LEFT;
      SegmentType verticalType = SegmentType.TOP;
      int minDistance = 10; // Don't center or right/bottom align in tiny cells
      if (!createColumn
          && leftDistance > minDistance
          && dragBounds != null
          && dragBounds.w < cellWidth - 10) {
        if (rightDistance < leftDistance) {
          horizontalType = SegmentType.RIGHT;
        }

        int centerDistance = Math.abs(cellWidth / 2 - leftDistance);
        if (centerDistance < leftDistance / 2 && centerDistance < rightDistance / 2) {
          horizontalType = SegmentType.CENTER_HORIZONTAL;
        }
      }
      if (!createRow
          && topDistance > minDistance
          && dragBounds != null
          && dragBounds.h < cellHeight - 10) {
        if (bottomDistance < topDistance) {
          verticalType = SegmentType.BOTTOM;
        }
        int centerDistance = Math.abs(cellHeight / 2 - topDistance);
        if (centerDistance < topDistance / 2 && centerDistance < bottomDistance / 2) {
          verticalType = SegmentType.CENTER_VERTICAL;
        }
      }

      mColumnMatch = new GridMatch(horizontalType, 0, x1, column, createColumn, 0);
      mRowMatch = new GridMatch(verticalType, 0, y1, row, createRow, 0);

      StringBuilder description = new StringBuilder(50);
      String rowString = Integer.toString(mColumnMatch.cellIndex + 1);
      String columnString = Integer.toString(mRowMatch.cellIndex + 1);
      if (mRowMatch.createCell && mRowMatch.cellIndex < mGrid.actualRowCount) {
        description.append(String.format("Shift row %1$d down", mRowMatch.cellIndex + 1));
        description.append('\n');
      }
      if (mColumnMatch.createCell && mColumnMatch.cellIndex < mGrid.actualColumnCount) {
        description.append(String.format("Shift column %1$d right", mColumnMatch.cellIndex + 1));
        description.append('\n');
      }
      description.append(String.format("Insert into cell (%1$s,%2$s)", rowString, columnString));
      description.append('\n');
      description.append(
          String.format(
              "Align %1$s, %2$s",
              horizontalType.name().toLowerCase(Locale.US),
              verticalType.name().toLowerCase(Locale.US)));
      feedback.tooltip = description.toString();
    }
  }
Ejemplo n.º 20
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 public final void testContainsIntInt_Invalid() {
   // Invalid rects always return false
   Rect r = new Rect(3, 4, -20, -30);
   assertFalse(r.contains(3, 4));
 }
Ejemplo n.º 21
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 public final void testContainsRect_Null() {
   // contains(null) returns false rather than an NPE
   Rect r = new Rect(3, 4, -20, -30);
   assertFalse(r.contains((Rect) null));
 }
Ejemplo n.º 22
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 public final void testX2Y2() {
   Rect r = new Rect(1, 2, 3, 4);
   assertEquals(4, r.x2());
   assertEquals(6, r.y2());
 }
Ejemplo n.º 23
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  public final void testContainsRect() {
    Rect r = new Rect(3, 4, 20, 30);

    assertTrue(r.contains(new Rect(3, 4, 5, 10)));
    assertFalse(r.contains(new Rect(3 - 1, 4, 5, 10)));
  }
Ejemplo n.º 24
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  public final void testToString() {
    Rect r = new Rect(3, 4, 20, 30);

    assertEquals("Rect [(3,4)-(23,34): 20x30]", r.toString());
  }