Java GridConstraints.getSpan方法代码示例

import com.intellij.uiDesigner.core.GridConstraints; //导入方法依赖的package包/类
/**
 * @param cellIndex column or row index, depending on isRow parameter; must be in the range 0..grid.get{Row|Column}Count()-1
 * @param isRow if true, row is splitted, otherwise column
 */
public static void splitCell(final RadContainer grid, final int cellIndex, final boolean isRow) {
  check(grid, isRow, cellIndex);

  int insertedCells = grid.getGridLayoutManager().insertGridCells(grid, cellIndex, isRow, false, false);

  for (int i=grid.getComponentCount() - 1; i >= 0; i--){
    final RadComponent component = grid.getComponent(i);
    final GridConstraints constraints = component.getConstraints();

    if (constraints.getCell(isRow) + constraints.getSpan(isRow) - 1 == cellIndex) {
      // component belongs to the cell being resized - increment component's span
      GridConstraints oldConstraints = (GridConstraints)constraints.clone();
      constraints.setSpan(isRow, constraints.getSpan(isRow) + insertedCells);
      component.fireConstraintsChanged(oldConstraints);
    }
  }
}
 

import com.intellij.uiDesigner.core.GridConstraints; //导入方法依赖的package包/类
private static boolean isSpaceBelowEmpty(final RadComponent component, boolean incrementRow) {
  final GridConstraints constraints = component.getConstraints();
  int startRow = constraints.getCell(incrementRow) + constraints.getSpan(incrementRow);
  int endRow = constraints.getCell(incrementRow) + constraints.getSpan(incrementRow)*2 +
               component.getParent().getGridLayoutManager().getGapCellCount();
  if (endRow > component.getParent().getGridCellCount(incrementRow)) {
    return false;
  }
  for(int row=startRow; row < endRow; row++) {
    for(int col=constraints.getCell(!incrementRow); col < constraints.getCell(!incrementRow) + constraints.getSpan(!incrementRow); col++) {
      if (component.getParent().getComponentAtGrid(incrementRow, row, col) != null) {
        return false;
      }
    }
  }
  return true;
}
 

import com.intellij.uiDesigner.core.GridConstraints; //导入方法依赖的package包/类
private void adjustDeletedCellOrigins(final RadContainer grid, final int cellIndex, final boolean isRow) {
  int gapCellDelta = isGapCell(grid, isRow, cellIndex+1) ? 2 : 1;
  for(RadComponent component: grid.getComponents()) {
    // ensure that we don't have component origins in the deleted cells
    final GridConstraints gc = component.getConstraints();
    if (gc.getCell(isRow) == cellIndex) {
      final int span = gc.getSpan(isRow);
      if (span > gapCellDelta) {
        gc.setCell(isRow, cellIndex+gapCellDelta);
        gc.setSpan(isRow, span -gapCellDelta);
        updateConstraints(component);
      }
      else {
        throw new IllegalArgumentException("Attempt to delete grid row/column which contains origins of 1-span components");
      }
    }
  }
}
 

import com.intellij.uiDesigner.core.GridConstraints; //导入方法依赖的package包/类
private boolean constraintsIntersect(final boolean horizontal,
                                     final GridConstraints constraints,
                                     final GridConstraints otherConstraints) {
  int start = constraints.getCell(!horizontal);
  int end = start + constraints.getSpan(!horizontal) - 1;
  int otherStart = otherConstraints.getCell(!horizontal);
  int otherEnd = otherStart + otherConstraints.getSpan(!horizontal) - 1;
  return start <= otherEnd && otherStart <= end;
}
 

import com.intellij.uiDesigner.core.GridConstraints; //导入方法依赖的package包/类
/**
  * @param cellIndex column or row index, depending on isRow parameter; must be in the range 0..grid.get{Row|Column}Count()-1
  * @param isRow if true, row is deleted, otherwise column
  * @return whether the specified column can be deleted
  */
public static CellStatus canDeleteCell(@NotNull final RadContainer grid, final int cellIndex, final boolean isRow) {
   check(grid, isRow, cellIndex);

   // Do not allow to delete the single row/column
   if(isRow && grid.getGridRowCount() <= grid.getGridLayoutManager().getMinCellCount()) {
     return CellStatus.Required;
   }
   else if(!isRow && grid.getGridColumnCount() <= grid.getGridLayoutManager().getMinCellCount()) {
     return CellStatus.Required;
   }

   boolean haveComponents = false;
   boolean haveOrigins = false;
   boolean haveSingleSpan = false;
   for (int i = 0; i < grid.getComponentCount(); i++) {
     final GridConstraints constraints = grid.getComponent(i).getConstraints();
     final int cell = constraints.getCell(isRow);
     final int span = constraints.getSpan(isRow);

     if (cellIndex >= cell && cellIndex < cell+span) {
       haveComponents = true;
       if (cellIndex == cell) {
         haveOrigins = true;
         if (span == 1) {
           haveSingleSpan = true;
         }
       }
     }
   }
   if (haveSingleSpan)
     return CellStatus.Required;
   if (haveOrigins)
     return CellStatus.CanShift;
   if (haveComponents)
     return CellStatus.Redundant;
   return CellStatus.Empty;
 }
 

import com.intellij.uiDesigner.core.GridConstraints; //导入方法依赖的package包/类
private static void deleteEmptyGridCells(final RadContainer parent, final GridConstraints delConstraints, final boolean isRow) {
  final RadAbstractGridLayoutManager layoutManager = parent.getGridLayoutManager();
  for (int cell = delConstraints.getCell(isRow) + delConstraints.getSpan(isRow) - 1; cell >= delConstraints.getCell(isRow); cell--) {
    if (cell < parent.getGridCellCount(isRow) && GridChangeUtil.canDeleteCell(parent, cell, isRow) == GridChangeUtil.CellStatus.Empty &&
        !layoutManager.isGapCell(parent, isRow, cell)) {
      layoutManager.deleteGridCells(parent, cell, isRow);
    }
  }
}
 

import com.intellij.uiDesigner.core.GridConstraints; //导入方法依赖的package包/类
private static boolean constraintsIntersect(boolean horizontal,
                                            GridConstraints constraints,
                                            Rectangle rc) {
  int start = constraints.getCell(!horizontal);
  int end = start + constraints.getSpan(!horizontal) - 1;
  int otherStart = horizontal ? rc.x : rc.y;
  int otherEnd = otherStart + (horizontal ? rc.width : rc.height) - 1;
  return start <= otherEnd && otherStart <= end;
}
 

import com.intellij.uiDesigner.core.GridConstraints; //导入方法依赖的package包/类
private boolean isInsertInsideComponent(final int size) {
  int endColumn = getInsertCell();
  if (isInsertAfter()) endColumn++;
  int row = getOppositeCell();

  for(int r=row; r<row+size; r++) {
    for(int col = 0; col<endColumn; col++) {
      RadComponent component;
      if (isColumnInsert()) {
        component = RadAbstractGridLayoutManager.getComponentAtGrid(getContainer(), r, col);
      }
      else {
        component = RadAbstractGridLayoutManager.getComponentAtGrid(getContainer(), col, r);
      }

      if (component != null) {
        GridConstraints constraints = component.getConstraints();
        final boolean isRow = !isColumnInsert();
        if (constraints.getCell(isRow) + constraints.getSpan(isRow) > endColumn &&
            constraints.getSpan(isRow) > 1) {
          return true;
        }
      }
    }
  }
  return false;
}
 

import com.intellij.uiDesigner.core.GridConstraints; //导入方法依赖的package包/类
public void processCellResized(RadContainer container, final boolean isRow, final int cell, final int newSize) {
  int cellCount = isRow ? container.getGridRowCount() : container.getGridColumnCount();
  if (container.getParent().isXY()  && cell == cellCount-1) {
    processRootContainerResize(container, isRow, newSize);
  }
  else {
    for(RadComponent component: container.getComponents()) {
      GridConstraints c = component.getConstraints();
      if (c.getCell(isRow) == cell && c.getSpan(isRow) == 1) {
        Dimension preferredSize = new Dimension(c.myPreferredSize);
        if (isRow) {
          preferredSize.height = newSize;
          if (preferredSize.width == -1) {
            preferredSize.width = component.getDelegee().getPreferredSize().width;
          }
        }
        else {
          preferredSize.width = newSize;
          if (preferredSize.height == -1) {
            preferredSize.height = component.getDelegee().getPreferredSize().height;
          }
        }
        PreferredSizeProperty.getInstance(container.getProject()).setValueEx(component, preferredSize);
      }
    }
  }
}
 

import com.intellij.uiDesigner.core.GridConstraints; //导入方法依赖的package包/类
private static boolean isCellInsideComponent(final GridConstraints constraints, final boolean isRow, final int cellIndex) {
  final int cell = constraints.getCell(isRow);
  final int span = constraints.getSpan(isRow);
  return cell <= cellIndex && cellIndex <= cell + span - 1;
}