--- a/jdk/src/share/classes/sun/awt/VariableGridLayout.java Fri Dec 23 16:39:22 2011 -0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,231 +0,0 @@
-/*
- * Copyright (c) 1995, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package sun.awt;
-
-import java.awt.*;
-import java.util.BitSet;
-
-
-/**
- * A layout manager for a container that lays out grids. Allows setting
- * the relative sizes of rows and columns.
- *
- * @author Herb Jellinek
- */
-
-
-public class VariableGridLayout extends GridLayout {
-
- BitSet rowsSet = new BitSet();
- double rowFractions[] = null;
-
- BitSet colsSet = new BitSet();
- double colFractions[] = null;
-
- int rows;
- int cols;
- int hgap;
- int vgap;
-
- /**
- * Creates a grid layout with the specified rows and specified columns.
- * @param rows the rows
- * @param cols the columns
- */
- public VariableGridLayout(int rows, int cols) {
- this(rows, cols, 0, 0);
-
- if (rows != 0) {
- rowsSet = new BitSet(rows);
- stdRowFractions(rows);
- }
-
- if (cols != 0) {
- colsSet = new BitSet(cols);
- stdColFractions(cols);
- }
- }
-
- /**
- * Creates a grid layout with the specified rows, columns,
- * horizontal gap, and vertical gap.
- * @param rows the rows
- * @param cols the columns
- * @param hgap the horizontal gap variable
- * @param vgap the vertical gap variable
- * @exception IllegalArgumentException If the rows and columns are invalid.
- */
- public VariableGridLayout(int rows, int cols, int hgap, int vgap) {
- super(rows, cols, hgap, vgap);
-
- this.rows = rows;
- this.cols = cols;
- this.hgap = hgap;
- this.vgap = vgap;
-
- if (rows != 0) {
- rowsSet = new BitSet(rows);
- stdRowFractions(rows);
- }
-
- if (cols != 0) {
- colsSet = new BitSet(cols);
- stdColFractions(cols);
- }
- }
-
- void stdRowFractions(int nrows) {
- rowFractions = new double[nrows];
- for (int i = 0; i < nrows; i++) {
- rowFractions[i] = 1.0 / nrows;
- }
- }
-
- void stdColFractions(int ncols) {
- colFractions = new double[ncols];
- for (int i = 0; i < ncols; i++) {
- colFractions[i] = 1.0 / ncols;
- }
- }
-
- public void setRowFraction(int rowNum, double fraction) {
- rowsSet.set(rowNum);
- rowFractions[rowNum] = fraction;
- }
-
- public void setColFraction(int colNum, double fraction) {
- colsSet.set(colNum);
- colFractions[colNum] = fraction;
- }
-
- public double getRowFraction(int rowNum) {
- return rowFractions[rowNum];
- }
-
- public double getColFraction(int colNum) {
- return colFractions[colNum];
- }
-
- void allocateExtraSpace(double vec[], BitSet userSet) {
- // collect the space that's been explicitly allocated...
- double total = 0.0;
- int unallocated = 0;
- int i;
- for (i = 0; i < vec.length; i++) {
- if (userSet.get(i)) {
- total += vec[i];
- } else {
- unallocated++;
- }
- }
-
- // ... then spread the extra space
- if (unallocated != 0) {
- double space = (1.0 - total) / unallocated;
- for (i = 0; i < vec.length; i++) {
- if (!userSet.get(i)) {
- vec[i] = space;
- userSet.set(i);
- }
- }
- }
- }
-
-
- void allocateExtraSpace() {
- allocateExtraSpace(rowFractions, rowsSet);
- allocateExtraSpace(colFractions, colsSet);
- }
-
- /**
- * Lays out the container in the specified panel.
- * @param parent the specified component being laid out
- * @see Container
- */
- public void layoutContainer(Container parent) {
- Insets insets = parent.insets();
- int ncomponents = parent.countComponents();
- int nrows = rows;
- int ncols = cols;
-
- if (nrows > 0) {
- ncols = (ncomponents + nrows - 1) / nrows;
- } else {
- nrows = (ncomponents + ncols - 1) / ncols;
- }
-
- if (rows == 0) {
- stdRowFractions(nrows);
- }
- if (cols == 0) {
- stdColFractions(ncols);
- }
-
- Dimension size = parent.size();
- int w = size.width - (insets.left + insets.right);
- int h = size.height - (insets.top + insets.bottom);
-
- w = (w - (ncols - 1) * hgap);
- h = (h - (nrows - 1) * vgap);
-
- allocateExtraSpace();
-
- for (int c = 0, x = insets.left ; c < ncols ; c++) {
- int colWidth = (int)(getColFraction(c) * w);
- for (int r = 0, y = insets.top ; r < nrows ; r++) {
- int i = r * ncols + c;
- int rowHeight = (int)(getRowFraction(r) * h);
-
- if (i < ncomponents) {
- parent.getComponent(i).reshape(x, y, colWidth, rowHeight);
- }
- y += rowHeight + vgap;
- }
- x += colWidth + hgap;
- }
- }
-
- static String fracsToString(double array[]) {
- String result = "["+array.length+"]";
-
- for (int i = 0; i < array.length; i++) {
- result += "<"+array[i]+">";
- }
- return result;
- }
-
- /**
- * Returns the String representation of this VariableGridLayout's values.
- */
- public String toString() {
- return getClass().getName() + "[hgap=" + hgap + ",vgap=" + vgap +
- ",rows=" + rows + ",cols=" + cols +
- ",rowFracs=" +
- fracsToString(rowFractions) +
- ",colFracs=" +
- fracsToString(colFractions) + "]";
- }
-}