/*
* Copyright 2003-2012 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.nodeEditor.cells;
import jetbrains.mps.openapi.editor.cells.CellTraversalUtil;
import jetbrains.mps.openapi.editor.cells.EditorCell;
import jetbrains.mps.openapi.editor.cells.optional.WithCaret;
import java.awt.Rectangle;
/**
* TODO: push up to openapi package
* User: shatalin
* Date: 12/7/12
*/
public class GeometryUtil {
public static Rectangle getBounds(EditorCell... cells) {
assert cells.length > 0;
Rectangle result = null;
for (int i = 0; i < cells.length; i++) {
Rectangle nextRectangle = new Rectangle(cells[i].getX(), cells[i].getY(), cells[i].getWidth(), cells[i].getHeight());
result = result == null ? nextRectangle : result.union(nextRectangle);
}
return result;
}
public static boolean contains(EditorCell cell, int x, int y) {
return getBounds(cell).contains(x, y);
}
public static int getHorizontalDistance(EditorCell cell, int x_point) {
if (cell.getX() + cell.getLeftGap() <= x_point && x_point <= cell.getX() + cell.getWidth() - cell.getRightGap()) {
return 0;
}
return Math.min(Math.abs(cell.getX() + cell.getLeftGap() - x_point), Math.abs(cell.getX() + cell.getWidth() - cell.getRightGap() - x_point));
}
public static boolean isAbove(EditorCell above, EditorCell below) {
return above.getY() + above.getHeight() <= below.getY();
}
public static boolean isLeftToRight(EditorCell left, EditorCell right) {
return left.getX() + left.getWidth() <= right.getX();
}
public static boolean isFirstPositionInBigCell(EditorCell cell) {
if (cell instanceof WithCaret) {
return ((WithCaret) cell).isFirstCaretPosition() && CellTraversalUtil.getFirstLeaf(CellTraversalUtil.getContainingBigCell(cell)) == cell;
}
if (cell instanceof jetbrains.mps.nodeEditor.cells.EditorCell) {
// TODO: remove this option after MPS 3.4
return ((jetbrains.mps.nodeEditor.cells.EditorCell) cell).isFirstCaretPosition() &&
CellTraversalUtil.getFirstLeaf(CellTraversalUtil.getContainingBigCell(cell)) == cell;
}
return false;
}
public static boolean isLastPositionInBigCell(EditorCell cell) {
if (cell instanceof WithCaret) {
return ((WithCaret) cell).isLastCaretPosition() && CellTraversalUtil.getLastLeaf(CellTraversalUtil.getContainingBigCell(cell)) == cell;
}
if (cell instanceof jetbrains.mps.nodeEditor.cells.EditorCell) {
// TODO: remove this option after MPS 3.4
return ((jetbrains.mps.nodeEditor.cells.EditorCell) cell).isLastCaretPosition() &&
CellTraversalUtil.getLastLeaf(CellTraversalUtil.getContainingBigCell(cell)) == cell;
}
return false;
}
}