コード例 #1
0
 private Dimension getTotalGap(Container container, DimensionInfo hInfo, DimensionInfo vInfo) {
   Insets insets = getInsets(container);
   return new Dimension(
       insets.left
           + insets.right
           + countGap(hInfo, 0, hInfo.getCellCount())
           + this.myMargin.left
           + this.myMargin.right,
       insets.top
           + insets.bottom
           + countGap(vInfo, 0, vInfo.getCellCount())
           + this.myMargin.top
           + this.myMargin.bottom);
 }
コード例 #2
0
  private static boolean isCellEmpty(DimensionInfo info, int cellIndex) {
    if (cellIndex >= 0 && cellIndex < info.getCellCount()) {
      for (int i = 0; i < info.getComponentCount(); ++i) {
        Component component = info.getComponent(i);
        if (info.getCell(i) == cellIndex && !(component instanceof Spacer)) {
          return false;
        }
      }

      return true;
    } else {
      throw new IllegalArgumentException(
          "wrong cellIndex: " + cellIndex + "; cellCount=" + info.getCellCount());
    }
  }
コード例 #3
0
  private int[] getMinOrPrefSizes(DimensionInfo info, boolean min) {
    int[] widths = new int[info.getCellCount()];

    int toProcess;
    for (toProcess = 0; toProcess < widths.length; ++toProcess) {
      widths[toProcess] = this.myMinCellSize;
    }

    for (toProcess = info.getComponentCount() - 1; toProcess >= 0; --toProcess) {
      if (info.getSpan(toProcess) == 1) {
        int i =
            min
                ? getMin2(info, toProcess)
                : Math.max(info.getMinimumWidth(toProcess), info.getPreferredWidth(toProcess));
        int size = info.getCell(toProcess);
        int span = countGap(info, size, info.getSpan(toProcess));
        i = Math.max(i - span, 0);
        widths[size] = Math.max(widths[size], i);
      }
    }

    updateSizesFromChildren(info, min, widths);
    boolean[] priority = new boolean[info.getCellCount()];
    for (int i = info.getComponentCount() - 1; i >= 0; --i) {
      int size =
          min ? getMin2(info, i) : Math.max(info.getMinimumWidth(i), info.getPreferredWidth(i));
      int span = info.getSpan(i);
      int cell = info.getCell(i);
      int gap = countGap(info, cell, span);
      size = Math.max(size - gap, 0);
      Arrays.fill(priority, false);
      int curSize = 0;

      for (int higherPriorityCells = 0; higherPriorityCells < span; ++higherPriorityCells) {
        curSize += widths[higherPriorityCells + cell];
        priority[higherPriorityCells + cell] = true;
      }

      if (curSize < size) {
        boolean[] higherPriorityCells = new boolean[priority.length];
        this.getCellsWithHigherPriorities(info, priority, higherPriorityCells, false, widths);
        distribute(higherPriorityCells, info, size - curSize, widths);
      }
    }

    return widths;
  }
コード例 #4
0
  private void new_doIt(
      int[] widths, int cell, int span, int minWidth, DimensionInfo info, boolean checkPrefs) {
    int toDistribute = minWidth;

    for (int allowedCells = cell; allowedCells < cell + span; ++allowedCells) {
      toDistribute -= widths[allowedCells];
    }

    if (toDistribute > 0) {
      boolean[] priority = new boolean[info.getCellCount()];
      for (int higherPriorityCells = cell;
          higherPriorityCells < cell + span;
          ++higherPriorityCells) {
        priority[higherPriorityCells] = true;
      }

      boolean[] higherPriorityCells = new boolean[info.getCellCount()];
      this.getCellsWithHigherPriorities(info, priority, higherPriorityCells, checkPrefs, widths);
      distribute(higherPriorityCells, info, toDistribute, widths);
    }
  }
コード例 #5
0
  private static boolean shouldAddGapAfterCell(DimensionInfo info, int cellIndex) {
    if (cellIndex >= 0 && cellIndex < info.getCellCount()) {
      boolean endsInThis = false;
      boolean startsInNext = false;
      int indexOfNextNotEmpty = -1;

      int i;
      for (i = cellIndex + 1; i < info.getCellCount(); ++i) {
        if (!isCellEmpty(info, i)) {
          indexOfNextNotEmpty = i;
          break;
        }
      }

      for (i = 0; i < info.getComponentCount(); ++i) {
        Component component = info.getComponent(i);
        if (!(component instanceof Spacer)) {
          if (info.componentBelongsCell(i, cellIndex)
              && DimensionInfo.findAlignedChild(component, info.getConstraints(i)) != null) {
            return true;
          }

          if (info.getCell(i) == indexOfNextNotEmpty) {
            startsInNext = true;
          }

          if (info.getCell(i) + info.getSpan(i) - 1 == cellIndex) {
            endsInThis = true;
          }
        }
      }

      return startsInNext && endsInThis;
    } else {
      throw new IllegalArgumentException(
          "wrong cellIndex: " + cellIndex + "; cellCount=" + info.getCellCount());
    }
  }
コード例 #6
0
  private static void distribute(
      boolean[] higherPriorityCells, DimensionInfo info, int toDistribute, int[] widths) {
    int stretches = 0;

    int i;
    for (i = 0; i < info.getCellCount(); ++i) {
      if (higherPriorityCells[i]) {
        stretches += info.getStretch(i);
      }
    }

    i = toDistribute;

    for (int i1 = 0; i1 < info.getCellCount(); ++i1) {
      if (higherPriorityCells[i1]) {
        int addon = i * info.getStretch(i1) / stretches;
        widths[i1] += addon;
        toDistribute -= addon;
      }
    }

    if (toDistribute != 0) {
      for (i = 0; i < info.getCellCount(); ++i) {
        if (higherPriorityCells[i]) {
          ++widths[i];
          --toDistribute;
          if (toDistribute == 0) {
            break;
          }
        }
      }
    }

    if (toDistribute != 0) {
      throw new IllegalStateException("toDistribute = " + toDistribute);
    }
  }
コード例 #7
0
  private static int[] getSameSizes(DimensionInfo info, int totalWidth) {
    int[] widths = new int[info.getCellCount()];
    int average = totalWidth / widths.length;
    int rest = totalWidth % widths.length;

    for (int i = 0; i < widths.length; ++i) {
      widths[i] = average;
      if (rest > 0) {
        ++widths[i];
        --rest;
      }
    }

    return widths;
  }
コード例 #8
0
  public void layoutContainer(Container container) {
    this.validateInfos(container);
    LayoutState layoutState = this.myLayoutState;
    DimensionInfo horizontalInfo = this.myHorizontalInfo;
    DimensionInfo verticalInfo = this.myVerticalInfo;
    Insets insets = getInsets(container);
    int skipLayout = this.checkSetSizesFromParent(container, insets);
    Dimension gap = this.getTotalGap(container, horizontalInfo, verticalInfo);
    Dimension size = container.getSize();
    size.width -= gap.width;
    size.height -= gap.height;
    Dimension prefSize = this.preferredLayoutSize(container);
    prefSize.width -= gap.width;
    prefSize.height -= gap.height;
    Dimension minSize = this.minimumLayoutSize(container);
    minSize.width -= gap.width;
    minSize.height -= gap.height;
    int[] i;
    int c;
    int component;
    if ((skipLayout & 1) == 0) {
      if (this.mySameSizeVertically) {
        i = getSameSizes(verticalInfo, Math.max(size.height, minSize.height));
      } else if (size.height < prefSize.height) {
        i = this.getMinSizes(verticalInfo);
        this.new_doIt(i, 0, verticalInfo.getCellCount(), size.height, verticalInfo, true);
      } else {
        i = this.getPrefSizes(verticalInfo);
        this.new_doIt(i, 0, verticalInfo.getCellCount(), size.height, verticalInfo, false);
      }

      c = insets.top + this.myMargin.top;

      for (component = 0; component < i.length; ++component) {
        this.myYs[component] = c;
        this.myHeights[component] = i[component];
        c += i[component];
        if (shouldAddGapAfterCell(verticalInfo, component)) {
          c += verticalInfo.getGap();
        }
      }
    }

    if ((skipLayout & 2) == 0) {
      if (this.mySameSizeHorizontally) {
        i = getSameSizes(horizontalInfo, Math.max(size.width, minSize.width));
      } else if (size.width < prefSize.width) {
        i = this.getMinSizes(horizontalInfo);
        this.new_doIt(i, 0, horizontalInfo.getCellCount(), size.width, horizontalInfo, true);
      } else {
        i = this.getPrefSizes(horizontalInfo);
        this.new_doIt(i, 0, horizontalInfo.getCellCount(), size.width, horizontalInfo, false);
      }

      c = insets.left + this.myMargin.left;

      for (component = 0; component < i.length; ++component) {
        this.myXs[component] = c;
        this.myWidths[component] = i[component];
        c += i[component];
        if (shouldAddGapAfterCell(horizontalInfo, component)) {
          c += horizontalInfo.getGap();
        }
      }
    }

    for (int index = 0; index < layoutState.getComponentCount(); ++index) {
      GridConstraints constraints = layoutState.getConstraints(index);
      Component cmpnt = layoutState.getComponent(index);
      int column = horizontalInfo.getCell(index);
      int colSpan = horizontalInfo.getSpan(index);
      int row = verticalInfo.getCell(index);
      int rowSpan = verticalInfo.getSpan(index);
      int cellWidth =
          this.myXs[column + colSpan - 1] + this.myWidths[column + colSpan - 1] - this.myXs[column];
      int cellHeight =
          this.myYs[row + rowSpan - 1] + this.myHeights[row + rowSpan - 1] - this.myYs[row];
      Dimension componentSize = new Dimension(cellWidth, cellHeight);
      if ((constraints.getFill() & 1) == 0) {
        componentSize.width =
            Math.min(componentSize.width, horizontalInfo.getPreferredWidth(index));
      }

      if ((constraints.getFill() & 2) == 0) {
        componentSize.height =
            Math.min(componentSize.height, verticalInfo.getPreferredWidth(index));
      }

      Util.adjustSize(cmpnt, constraints, componentSize);
      int dx = 0;
      int dy = 0;
      if ((constraints.getAnchor() & 4) != 0) {
        dx = cellWidth - componentSize.width;
      } else if ((constraints.getAnchor() & 8) == 0) {
        dx = (cellWidth - componentSize.width) / 2;
      }

      if ((constraints.getAnchor() & 2) != 0) {
        dy = cellHeight - componentSize.height;
      } else if ((constraints.getAnchor() & 1) == 0) {
        dy = (cellHeight - componentSize.height) / 2;
      }

      int indent = 10 * constraints.getIndent();
      componentSize.width -= indent;
      dx += indent;
      cmpnt.setBounds(
          this.myXs[column] + dx, this.myYs[row] + dy, componentSize.width, componentSize.height);
    }
  }