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A port of SWT-Layouts like GridLayout to JavaFX
The newest version!
/*******************************************************************************
* Copyright (c) 2000, 2010 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Tom Schindl - ported to JavaFX
*******************************************************************************/
package org.eclipse.fx.ui.panes;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javafx.beans.property.BooleanProperty;
import javafx.beans.property.IntegerProperty;
import javafx.css.CssMetaData;
import javafx.css.SimpleStyleableBooleanProperty;
import javafx.css.SimpleStyleableIntegerProperty;
import javafx.css.Styleable;
import javafx.css.StyleableProperty;
import javafx.scene.Node;
import org.eclipse.fx.ui.panes.GridData.Alignment;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import com.sun.javafx.css.converters.BooleanConverter;
import com.sun.javafx.css.converters.SizeConverter;
/**
* @author tomschindl
*
*/
/**
* Layout pane known from SWT
*/
@SuppressWarnings("restriction")
public class GridLayoutPane extends AbstractLayoutPane {
@NonNull
private static final String LAYOUT_KEY = "gridData"; //$NON-NLS-1$
private static final CssMetaData NUM_COLUMNS = new CssMetaData("-fx-columns", SizeConverter.getInstance(), Integer.valueOf(1)) { //$NON-NLS-1$
@Override
public boolean isSettable(GridLayoutPane node) {
return !node.numColumnsProperty().isBound();
}
@SuppressWarnings("unchecked")
@Override
public StyleableProperty getStyleableProperty(GridLayoutPane node) {
return (StyleableProperty) node.numColumnsProperty();
}
};
private static final CssMetaData MAKE_COLS_EQUAL_WIDTH = new CssMetaData("-fx-columns-equal-width", BooleanConverter.getInstance(), Boolean.FALSE) { //$NON-NLS-1$
@Override
public boolean isSettable(GridLayoutPane node) {
return !node.makeColumnsEqualWidthProperty().isBound();
}
@SuppressWarnings("unchecked")
@Override
public StyleableProperty getStyleableProperty(GridLayoutPane node) {
return (StyleableProperty) node.makeColumnsEqualWidthProperty();
}
};
private static final CssMetaData MARGIN_WIDTH = new CssMetaData("-fx-inner-margin-width", SizeConverter.getInstance(), Integer.valueOf(5)) { //$NON-NLS-1$
@Override
public boolean isSettable(GridLayoutPane node) {
return !node.marginWidthProperty().isBound();
}
@SuppressWarnings("unchecked")
@Override
public StyleableProperty getStyleableProperty(GridLayoutPane node) {
return (StyleableProperty) node.marginWidthProperty();
}
};
private static final CssMetaData MARGIN_HEIGHT = new CssMetaData("-fx-inner-margin-height", SizeConverter.getInstance(), Integer.valueOf(5)) { //$NON-NLS-1$
@Override
public boolean isSettable(GridLayoutPane node) {
return !node.marginHeightProperty().isBound();
}
@SuppressWarnings("unchecked")
@Override
public StyleableProperty getStyleableProperty(GridLayoutPane node) {
return (StyleableProperty) node.marginHeightProperty();
}
};
private static final CssMetaData MARGIN_LEFT = new CssMetaData("-fx-inner-margin-left", SizeConverter.getInstance(), Integer.valueOf(0)) { //$NON-NLS-1$
@Override
public boolean isSettable(GridLayoutPane node) {
return !node.marginLeftProperty().isBound();
}
@SuppressWarnings("unchecked")
@Override
public StyleableProperty getStyleableProperty(GridLayoutPane node) {
return (StyleableProperty) node.marginLeftProperty();
}
};
private static final CssMetaData MARGIN_TOP = new CssMetaData("-fx-inner-margin-top", SizeConverter.getInstance(), Integer.valueOf(0)) { //$NON-NLS-1$
@Override
public boolean isSettable(GridLayoutPane node) {
return !node.marginTopProperty().isBound();
}
@SuppressWarnings("unchecked")
@Override
public StyleableProperty getStyleableProperty(GridLayoutPane node) {
return (StyleableProperty) node.marginTopProperty();
}
};
private static final CssMetaData MARGIN_RIGHT = new CssMetaData("-fx-inner-margin-right", SizeConverter.getInstance(), Integer.valueOf(0)) { //$NON-NLS-1$
@Override
public boolean isSettable(GridLayoutPane node) {
return !node.marginRightProperty().isBound();
}
@SuppressWarnings("unchecked")
@Override
public StyleableProperty getStyleableProperty(GridLayoutPane node) {
return (StyleableProperty) node.marginRightProperty();
}
};
private static final CssMetaData MARGIN_BOTTOM = new CssMetaData("-fx-inner-margin-bottom", SizeConverter.getInstance(), Integer.valueOf(0)) { //$NON-NLS-1$
@Override
public boolean isSettable(GridLayoutPane node) {
return !node.marginBottomProperty().isBound();
}
@SuppressWarnings("unchecked")
@Override
public StyleableProperty getStyleableProperty(GridLayoutPane node) {
return (StyleableProperty) node.marginBottomProperty();
}
};
private static final CssMetaData HORIZONTAL_SPACING = new CssMetaData("-fx-hspace", SizeConverter.getInstance(), Integer.valueOf(5)) { //$NON-NLS-1$
@Override
public boolean isSettable(GridLayoutPane node) {
return !node.horizontalSpacingProperty().isBound();
}
@SuppressWarnings("unchecked")
@Override
public StyleableProperty getStyleableProperty(GridLayoutPane node) {
return (StyleableProperty) node.horizontalSpacingProperty();
}
};
private static final CssMetaData VERTICAL_SPACING = new CssMetaData("-fx-vspace", SizeConverter.getInstance(), Integer.valueOf(5)) { //$NON-NLS-1$
@Override
public boolean isSettable(GridLayoutPane node) {
return !node.verticalSpacingProperty().isBound();
}
@SuppressWarnings("unchecked")
@Override
public StyleableProperty getStyleableProperty(GridLayoutPane node) {
return (StyleableProperty) node.verticalSpacingProperty();
}
};
private static final List> STYLEABLES;
static {
@SuppressWarnings("static-access")
final List> styleables = new ArrayList>(AbstractLayoutPane.getClassCssMetaData());
styleables.add(HORIZONTAL_SPACING);
styleables.add(MAKE_COLS_EQUAL_WIDTH);
styleables.add(MARGIN_BOTTOM);
styleables.add(MARGIN_HEIGHT);
styleables.add(MARGIN_LEFT);
styleables.add(MARGIN_RIGHT);
styleables.add(MARGIN_TOP);
styleables.add(MARGIN_WIDTH);
styleables.add(VERTICAL_SPACING);
STYLEABLES = Collections.unmodifiableList(styleables);
}
public static List> getClassCssMetaData() {
return STYLEABLES;
}
@Override
public List> getCssMetaData() {
return getClassCssMetaData();
}
@NonNull
private final IntegerProperty numColumns = new SimpleStyleableIntegerProperty(NUM_COLUMNS, this, "columns", Integer.valueOf(1)); //$NON-NLS-1$
@NonNull
private final BooleanProperty makeColumnsEqualWidth = new SimpleStyleableBooleanProperty(MAKE_COLS_EQUAL_WIDTH, this, "makeColumnsEqualWidth", false); //$NON-NLS-1$
@NonNull
private final IntegerProperty marginWidth = new SimpleStyleableIntegerProperty(MARGIN_WIDTH, this, "marginWidth", Integer.valueOf(5)); //$NON-NLS-1$
@NonNull
private final IntegerProperty marginHeight = new SimpleStyleableIntegerProperty(MARGIN_HEIGHT, this, "marginHeight", Integer.valueOf(5)); //$NON-NLS-1$
@NonNull
private final IntegerProperty marginLeft = new SimpleStyleableIntegerProperty(MARGIN_LEFT, this, "marginLeft", Integer.valueOf(0)); //$NON-NLS-1$
@NonNull
private final IntegerProperty marginTop = new SimpleStyleableIntegerProperty(MARGIN_TOP, this, "marginTop", Integer.valueOf(0)); //$NON-NLS-1$
@NonNull
private final IntegerProperty marginRight = new SimpleStyleableIntegerProperty(MARGIN_RIGHT, this, "marginRight", Integer.valueOf(0)); //$NON-NLS-1$
@NonNull
private final IntegerProperty marginBottom = new SimpleStyleableIntegerProperty(MARGIN_BOTTOM, this, "marginBottom", Integer.valueOf(0)); //$NON-NLS-1$
@NonNull
private final IntegerProperty horizontalSpacing = new SimpleStyleableIntegerProperty(HORIZONTAL_SPACING, this, "horizontalSpacing", Integer.valueOf(5)); //$NON-NLS-1$
@NonNull
private final IntegerProperty verticalSpacing = new SimpleStyleableIntegerProperty(VERTICAL_SPACING, this, "verticalSpacing", Integer.valueOf(5)); //$NON-NLS-1$
/**
* Associate a layout constraint with the node
*
* @param n
* the node
* @param griddata
* the constraint
*/
public final static void setConstraint(@NonNull Node n, @NonNull GridData griddata) {
setConstraint(n, LAYOUT_KEY, griddata);
}
/**
* Get the layout constraint for the node
*
* @param n
* the node
* @return the layout constraint or null
*/
public final static @Nullable GridData getConstraint(@NonNull Node n) {
return (GridData) getConstraint(n, LAYOUT_KEY);
}
@Override
protected org.eclipse.fx.ui.panes.AbstractLayoutPane.Size computeSize(double width, double height, boolean flushCache) {
return calculateLayout(false, 0, 0, width, height, flushCache);
}
@Override
protected void layoutChildren() {
super.layoutChildren();
calculateLayout(true, getLayoutBounds().getMinX(), getLayoutBounds().getMinY(), getLayoutBounds().getWidth(), getLayoutBounds().getHeight(), true);
}
@NonNull
private Size calculateLayout(boolean move, double x, double y, double width, double height, boolean flushCache) {
if (getNumColumns() < 1) {
return new Size(getInnerMarginLeft() + getInnerMarginRight(), getInnerMarginTop() + getInnerMarginBottom());
}
@SuppressWarnings("null")
@NonNull
Node[] children = getChildren().toArray(new Node[0]);
int count = 0;
for (int i = 0; i < children.length; i++) {
Node control = children[i];
GridData data = getConstraint(control);
if (data == null || !data.isExclude()) {
children[count++] = children[i];
}
}
if (count == 0) {
return new Size(getInnerMarginLeft() + getInnerMarginRight(), getInnerMarginTop() + getInnerMarginBottom());
}
for (int i = 0; i < count; i++) {
Node child = children[i];
GridData data = getConstraint(child);
if (data == null) {
data = new GridData();
setConstraint(child, data);
}
if (flushCache)
data.flushCache();
data.computeSize(child, data.getWidthHint(), data.getHeightHint(), flushCache);
if (data.isGrabExcessHorizontalSpace() && data.getMinimumWidth() > 0) {
if (data.cacheWidth < data.getMinimumWidth()) {
int trim = 0;
// TEMPORARY CODE
// FIXME
// if (child instanceof Scrollable) {
// Rectangle rect = ((Scrollable) child).computeTrim (0, 0,
// 0, 0);
// trim = rect.width;
// } else {
// trim = child.getBorderWidth () * 2;
// }
data.cacheWidth = data.cacheHeight = FX_DEFAULT;
data.computeSize(child, Math.max(0, data.getMinimumWidth() - trim), data.getHeightHint(), false);
}
}
if (data.isGrabExcessVerticalSpace() && data.getMinimumHeight() > 0) {
data.cacheHeight = Math.max(data.cacheHeight, data.getMinimumHeight());
}
}
/* Build the grid */
int row = 0, column = 0, rowCount = 0, columnCount = getNumColumns();
Node[][] grid = new Node[4][columnCount];
for (int i = 0; i < count; i++) {
Node child = children[i];
GridData data = getConstraint(child);
if (data == null) {
data = new GridData();
}
int hSpan = Math.max(1, Math.min(data.getHorizontalSpan(), columnCount));
int vSpan = Math.max(1, data.getVerticalSpan());
while (true) {
int lastRow = row + vSpan;
if (lastRow >= grid.length) {
Node[][] newGrid = new Node[lastRow + 4][columnCount];
System.arraycopy(grid, 0, newGrid, 0, grid.length);
grid = newGrid;
}
if (grid[row] == null) {
grid[row] = new Node[columnCount];
}
while (column < columnCount && grid[row][column] != null) {
column++;
}
int endCount = column + hSpan;
if (endCount <= columnCount) {
int index = column;
while (index < endCount && grid[row][index] == null) {
index++;
}
if (index == endCount)
break;
column = index;
}
if (column + hSpan >= columnCount) {
column = 0;
row++;
}
}
for (int j = 0; j < vSpan; j++) {
if (grid[row + j] == null) {
grid[row + j] = new Node[columnCount];
}
for (int k = 0; k < hSpan; k++) {
grid[row + j][column + k] = child;
}
}
rowCount = Math.max(rowCount, row + vSpan);
column += hSpan;
}
/* Column widths */
double availableWidth = width - getHorizontalSpacing() * (columnCount - 1) - (getInnerMarginLeft() + getInnerMarginRight());
int expandCount = 0;
double[] widths = new double[columnCount];
double[] minWidths = new double[columnCount];
boolean[] expandColumn = new boolean[columnCount];
for (int j = 0; j < columnCount; j++) {
for (int i = 0; i < rowCount; i++) {
GridData data = getData(grid, i, j, rowCount, columnCount, true);
if (data != null) {
int hSpan = Math.max(1, Math.min(data.getHorizontalSpan(), columnCount));
if (hSpan == 1) {
double w = data.cacheWidth + data.getHorizontalIndent();
widths[j] = Math.max(widths[j], w);
if (data.isGrabExcessHorizontalSpace()) {
if (!expandColumn[j])
expandCount++;
expandColumn[j] = true;
}
if (!data.isGrabExcessHorizontalSpace() || data.getMinimumWidth() != 0) {
w = !data.isGrabExcessHorizontalSpace() || data.getMinimumWidth() == FX_DEFAULT ? data.cacheWidth : data.getMinimumWidth();
w += data.getHorizontalIndent();
minWidths[j] = Math.max(minWidths[j], w);
}
}
}
}
for (int i = 0; i < rowCount; i++) {
GridData data = getData(grid, i, j, rowCount, columnCount, false);
if (data != null) {
int hSpan = Math.max(1, Math.min(data.getHorizontalSpan(), columnCount));
if (hSpan > 1) {
int spanWidth = 0, spanMinWidth = 0, spanExpandCount = 0;
for (int k = 0; k < hSpan; k++) {
spanWidth += widths[j - k];
spanMinWidth += minWidths[j - k];
if (expandColumn[j - k])
spanExpandCount++;
}
if (data.isGrabExcessHorizontalSpace() && spanExpandCount == 0) {
expandCount++;
expandColumn[j] = true;
}
double w = data.cacheWidth + data.getHorizontalIndent() - spanWidth - (hSpan - 1) * getHorizontalSpacing();
if (w > 0) {
if (isMakeColumnsEqualWidth()) {
double equalWidth = (w + spanWidth) / hSpan;
double remainder = (w + spanWidth) % hSpan;
int last = -1;
for (int k = 0; k < hSpan; k++) {
widths[last = j - k] = Math.max(equalWidth, widths[j - k]);
}
if (last > -1)
widths[last] += remainder;
} else {
if (spanExpandCount == 0) {
widths[j] += w;
} else {
double delta = w / spanExpandCount;
double remainder = w % spanExpandCount;
int last = -1;
for (int k = 0; k < hSpan; k++) {
if (expandColumn[j - k]) {
widths[last = j - k] += delta;
}
}
if (last > -1)
widths[last] += remainder;
}
}
}
if (!data.isGrabExcessHorizontalSpace() || data.getMinimumWidth() != 0) {
w = !data.isGrabExcessHorizontalSpace() || data.getMinimumWidth() == FX_DEFAULT ? data.cacheWidth : data.getMinimumWidth();
w += data.getHorizontalIndent() - spanMinWidth - (hSpan - 1) * getHorizontalSpacing();
if (w > 0) {
if (spanExpandCount == 0) {
minWidths[j] += w;
} else {
double delta = w / spanExpandCount;
double remainder = w % spanExpandCount;
int last = -1;
for (int k = 0; k < hSpan; k++) {
if (expandColumn[j - k]) {
minWidths[last = j - k] += delta;
}
}
if (last > -1)
minWidths[last] += remainder;
}
}
}
}
}
}
}
if (isMakeColumnsEqualWidth()) {
double minColumnWidth = 0;
double columnWidth = 0;
for (int i = 0; i < columnCount; i++) {
minColumnWidth = Math.max(minColumnWidth, minWidths[i]);
columnWidth = Math.max(columnWidth, widths[i]);
}
columnWidth = width == FX_DEFAULT || expandCount == 0 ? columnWidth : Math.max(minColumnWidth, availableWidth / columnCount);
for (int i = 0; i < columnCount; i++) {
expandColumn[i] = expandCount > 0;
widths[i] = columnWidth;
}
} else {
if (width != FX_DEFAULT && expandCount > 0) {
int totalWidth = 0;
for (int i = 0; i < columnCount; i++) {
totalWidth += widths[i];
}
int c = expandCount;
double delta = (availableWidth - totalWidth) / c;
double remainder = (availableWidth - totalWidth) % c;
int last = -1;
while (totalWidth != availableWidth) {
for (int j = 0; j < columnCount; j++) {
if (expandColumn[j]) {
if (widths[j] + delta > minWidths[j]) {
widths[last = j] = widths[j] + delta;
} else {
widths[j] = minWidths[j];
expandColumn[j] = false;
c--;
}
}
}
if (last > -1)
widths[last] += remainder;
for (int j = 0; j < columnCount; j++) {
for (int i = 0; i < rowCount; i++) {
GridData data = getData(grid, i, j, rowCount, columnCount, false);
if (data != null) {
int hSpan = Math.max(1, Math.min(data.getHorizontalSpan(), columnCount));
if (hSpan > 1) {
if (!data.isGrabExcessHorizontalSpace() || data.getMinimumWidth() != 0) {
int spanWidth = 0, spanExpandCount = 0;
for (int k = 0; k < hSpan; k++) {
spanWidth += widths[j - k];
if (expandColumn[j - k])
spanExpandCount++;
}
double w = !data.isGrabExcessHorizontalSpace() || data.getMinimumWidth() == FX_DEFAULT ? data.cacheWidth : data.getMinimumWidth();
w += data.getHorizontalIndent() - spanWidth - (hSpan - 1) * getHorizontalSpacing();
if (w > 0) {
if (spanExpandCount == 0) {
widths[j] += w;
} else {
double delta2 = w / spanExpandCount;
double remainder2 = w % spanExpandCount;
int last2 = -1;
for (int k = 0; k < hSpan; k++) {
if (expandColumn[j - k]) {
widths[last2 = j - k] += delta2;
}
}
if (last2 > -1)
widths[last2] += remainder2;
}
}
}
}
}
}
}
if (c == 0)
break;
totalWidth = 0;
for (int i = 0; i < columnCount; i++) {
totalWidth += widths[i];
}
delta = (availableWidth - totalWidth) / c;
remainder = (availableWidth - totalWidth) % c;
last = -1;
}
}
}
/* Wrapping */
GridData[] flush = null;
int flushLength = 0;
if (width != FX_DEFAULT) {
for (int j = 0; j < columnCount; j++) {
for (int i = 0; i < rowCount; i++) {
GridData data = getData(grid, i, j, rowCount, columnCount, false);
if (data != null) {
if (data.getHeightHint() == FX_DEFAULT) {
Node child = grid[i][j];
// TEMPORARY CODE
int hSpan = Math.max(1, Math.min(data.getHorizontalSpan(), columnCount));
int currentWidth = 0;
for (int k = 0; k < hSpan; k++) {
currentWidth += widths[j - k];
}
currentWidth += (hSpan - 1) * getHorizontalSpacing() - data.getHorizontalIndent();
if ((currentWidth != data.cacheWidth && data.getHorizontalAlignment() == Alignment.FILL) || (data.cacheWidth > currentWidth)) {
int trim = 0;
// FIXME
// if (child instanceof Scrollable) {
// Rectangle rect = ((Scrollable)
// child).computeTrim (0, 0, 0, 0);
// trim = rect.width;
// } else {
// trim = child.getBorderWidth () * 2;
// }
data.cacheWidth = data.cacheHeight = FX_DEFAULT;
data.computeSize(child, Math.max(0, currentWidth - trim), data.getHeightHint(), false);
if (data.isGrabExcessVerticalSpace() && data.getMinimumHeight() > 0) {
data.cacheHeight = Math.max(data.cacheHeight, data.getMinimumHeight());
}
if (flush == null)
flush = new GridData[count];
flush[flushLength++] = data;
}
}
}
}
}
}
/* Row heights */
double availableHeight = height - getVerticalSpacing() * (rowCount - 1) - (getInnerMarginTop() + getInnerMarginBottom());
expandCount = 0;
double[] heights = new double[rowCount];
double[] minHeights = new double[rowCount];
boolean[] expandRow = new boolean[rowCount];
for (int i = 0; i < rowCount; i++) {
for (int j = 0; j < columnCount; j++) {
GridData data = getData(grid, i, j, rowCount, columnCount, true);
if (data != null) {
int vSpan = Math.max(1, Math.min(data.getVerticalSpan(), rowCount));
if (vSpan == 1) {
double h = data.cacheHeight + data.getVerticalIndent();
heights[i] = Math.max(heights[i], h);
if (data.isGrabExcessVerticalSpace()) {
if (!expandRow[i])
expandCount++;
expandRow[i] = true;
}
if (!data.isGrabExcessVerticalSpace() || data.getMinimumHeight() != 0) {
h = !data.isGrabExcessVerticalSpace() || data.getMinimumHeight() == FX_DEFAULT ? data.cacheHeight : data.getMinimumHeight();
h += data.getVerticalIndent();
minHeights[i] = Math.max(minHeights[i], h);
}
}
}
}
for (int j = 0; j < columnCount; j++) {
GridData data = getData(grid, i, j, rowCount, columnCount, false);
if (data != null) {
int vSpan = Math.max(1, Math.min(data.getVerticalSpan(), rowCount));
if (vSpan > 1) {
int spanHeight = 0, spanMinHeight = 0, spanExpandCount = 0;
for (int k = 0; k < vSpan; k++) {
spanHeight += heights[i - k];
spanMinHeight += minHeights[i - k];
if (expandRow[i - k])
spanExpandCount++;
}
if (data.isGrabExcessVerticalSpace() && spanExpandCount == 0) {
expandCount++;
expandRow[i] = true;
}
double h = data.cacheHeight + data.getVerticalIndent() - spanHeight - (vSpan - 1) * getVerticalSpacing();
if (h > 0) {
if (spanExpandCount == 0) {
heights[i] += h;
} else {
double delta = h / spanExpandCount;
double remainder = h % spanExpandCount;
int last = -1;
for (int k = 0; k < vSpan; k++) {
if (expandRow[i - k]) {
heights[last = i - k] += delta;
}
}
if (last > -1)
heights[last] += remainder;
}
}
if (!data.isGrabExcessVerticalSpace() || data.getMinimumHeight() != 0) {
h = !data.isGrabExcessVerticalSpace() || data.getMinimumHeight() == FX_DEFAULT ? data.cacheHeight : data.getMinimumHeight();
h += data.getVerticalIndent() - spanMinHeight - (vSpan - 1) * getVerticalSpacing();
if (h > 0) {
if (spanExpandCount == 0) {
minHeights[i] += h;
} else {
double delta = h / spanExpandCount;
double remainder = h % spanExpandCount;
int last = -1;
for (int k = 0; k < vSpan; k++) {
if (expandRow[i - k]) {
minHeights[last = i - k] += delta;
}
}
if (last > -1)
minHeights[last] += remainder;
}
}
}
}
}
}
}
if (height != FX_DEFAULT && expandCount > 0) {
int totalHeight = 0;
for (int i = 0; i < rowCount; i++) {
totalHeight += heights[i];
}
int c = expandCount;
double delta = (availableHeight - totalHeight) / c;
double remainder = (availableHeight - totalHeight) % c;
int last = -1;
while (totalHeight != availableHeight) {
for (int i = 0; i < rowCount; i++) {
if (expandRow[i]) {
if (heights[i] + delta > minHeights[i]) {
heights[last = i] = heights[i] + delta;
} else {
heights[i] = minHeights[i];
expandRow[i] = false;
c--;
}
}
}
if (last > -1)
heights[last] += remainder;
for (int i = 0; i < rowCount; i++) {
for (int j = 0; j < columnCount; j++) {
GridData data = getData(grid, i, j, rowCount, columnCount, false);
if (data != null) {
int vSpan = Math.max(1, Math.min(data.getVerticalSpan(), rowCount));
if (vSpan > 1) {
if (!data.isGrabExcessVerticalSpace() || data.getMinimumHeight() != 0) {
int spanHeight = 0, spanExpandCount = 0;
for (int k = 0; k < vSpan; k++) {
spanHeight += heights[i - k];
if (expandRow[i - k])
spanExpandCount++;
}
double h = !data.isGrabExcessVerticalSpace() || data.getMinimumHeight() == FX_DEFAULT ? data.cacheHeight : data.getMinimumHeight();
h += data.getVerticalIndent() - spanHeight - (vSpan - 1) * getVerticalSpacing();
if (h > 0) {
if (spanExpandCount == 0) {
heights[i] += h;
} else {
double delta2 = h / spanExpandCount;
double remainder2 = h % spanExpandCount;
int last2 = -1;
for (int k = 0; k < vSpan; k++) {
if (expandRow[i - k]) {
heights[last2 = i - k] += delta2;
}
}
if (last2 > -1)
heights[last2] += remainder2;
}
}
}
}
}
}
}
if (c == 0)
break;
totalHeight = 0;
for (int i = 0; i < rowCount; i++) {
totalHeight += heights[i];
}
delta = (availableHeight - totalHeight) / c;
remainder = (availableHeight - totalHeight) % c;
last = -1;
}
}
/* Position the controls */
if (move) {
double gridY = y + getInnerMarginTop();
for (int i = 0; i < rowCount; i++) {
double gridX = x + getInnerMarginLeft();
for (int j = 0; j < columnCount; j++) {
GridData data = getData(grid, i, j, rowCount, columnCount, true);
if (data != null) {
int hSpan = Math.max(1, Math.min(data.getHorizontalSpan(), columnCount));
int vSpan = Math.max(1, data.getVerticalSpan());
int cellWidth = 0, cellHeight = 0;
for (int k = 0; k < hSpan; k++) {
cellWidth += widths[j + k];
}
for (int k = 0; k < vSpan; k++) {
cellHeight += heights[i + k];
}
cellWidth += getHorizontalSpacing() * (hSpan - 1);
double childX = gridX + data.getHorizontalIndent();
double childWidth = Math.min(data.cacheWidth, cellWidth);
switch (data.getHorizontalAlignment()) {
case CENTER:
childX += Math.max(0, (cellWidth - data.getHorizontalIndent() - childWidth) / 2);
break;
case END:
childX += Math.max(0, cellWidth - data.getHorizontalIndent() - childWidth);
break;
case FILL:
childWidth = cellWidth - data.getHorizontalIndent();
break;
case BEGINNING:
// Nothing todo
break;
}
cellHeight += getVerticalSpacing() * (vSpan - 1);
double childY = gridY + data.getVerticalIndent();
double childHeight = Math.min(data.cacheHeight, cellHeight);
switch (data.getVerticalAlignment()) {
case CENTER:
childY += Math.max(0, (cellHeight - data.getVerticalIndent() - childHeight) / 2);
break;
case END:
childY += Math.max(0, cellHeight - data.getVerticalIndent() - childHeight);
break;
case FILL:
childHeight = cellHeight - data.getVerticalIndent();
break;
case BEGINNING:
// Nothing todo
break;
}
Node child = grid[i][j];
if (child != null) {
child.resizeRelocate(childX, childY, childWidth, childHeight);
}
}
gridX += widths[j] + getHorizontalSpacing();
}
gridY += heights[i] + getVerticalSpacing();
}
}
// clean up cache
for (int i = 0; i < flushLength; i++) {
if (flush != null) {
flush[i].cacheWidth = flush[i].cacheHeight = -1;
}
}
int totalDefaultWidth = 0;
int totalDefaultHeight = 0;
for (int i = 0; i < columnCount; i++) {
totalDefaultWidth += widths[i];
}
for (int i = 0; i < rowCount; i++) {
totalDefaultHeight += heights[i];
}
totalDefaultWidth += getHorizontalSpacing() * (columnCount - 1) + getInnerMarginLeft() + getInnerMarginRight();
totalDefaultHeight += getVerticalSpacing() * (rowCount - 1) + getInnerMarginTop() + getInnerMarginBottom();
return new Size(totalDefaultWidth, totalDefaultHeight);
}
private int getInnerMarginLeft() {
return (int) Math.ceil(getMarginWidth() + getMarginLeft() + getPadding().getLeft());
}
private int getInnerMarginRight() {
return (int) Math.ceil(getMarginWidth() + getMarginRight() + getPadding().getRight());
}
private int getInnerMarginTop() {
return (int) Math.ceil(getMarginHeight() + getMarginTop() + getPadding().getTop());
}
private int getInnerMarginBottom() {
return (int) Math.ceil(getMarginHeight() + getMarginBottom() + getPadding().getBottom());
}
static GridData getData(Node[][] grid, int row, int column, int rowCount, int columnCount, boolean first) {
Node control = grid[row][column];
if (control != null) {
GridData data = (GridData) getConstraint(control);
if (data == null) {
data = new GridData();
}
int hSpan = Math.max(1, Math.min(data.getHorizontalSpan(), columnCount));
int vSpan = Math.max(1, data.getVerticalSpan());
int i = first ? row + vSpan - 1 : row - vSpan + 1;
int j = first ? column + hSpan - 1 : column - hSpan + 1;
if (0 <= i && i < rowCount) {
if (0 <= j && j < columnCount) {
if (control == grid[i][j])
return data;
}
}
}
return null;
}
/**
* The number of columns
*
* @param numColumns
* the columns
*/
public final void setNumColumns(int numColumns) {
numColumnsProperty().set(numColumns);
}
/**
* @return The number of columns
*/
public final int getNumColumns() {
return numColumnsProperty().get();
}
/**
* @return The number of columns
*/
public final @NonNull IntegerProperty numColumnsProperty() {
return this.numColumns;
}
/**
* If true all columns have the same width
*
* @param makeColumnsEqualWidth
* make all columns equal
*/
public final void setMakeColumnsEqualWidth(boolean makeColumnsEqualWidth) {
makeColumnsEqualWidthProperty().set(makeColumnsEqualWidth);
}
/**
* @return If true all columns have the same width
*/
public final boolean isMakeColumnsEqualWidth() {
return makeColumnsEqualWidthProperty().get();
}
/**
* @return If true all columns have the same width
*/
public final @NonNull BooleanProperty makeColumnsEqualWidthProperty() {
return this.makeColumnsEqualWidth;
}
/**
* Horizontal spacing between columns
*
* @param value
* the spacing
*/
public final void setHorizontalSpacing(int value) {
horizontalSpacingProperty().set(value);
}
/**
* @return Horizontal spacing between columns
*/
public final int getHorizontalSpacing() {
return horizontalSpacingProperty().get();
}
/**
* @return Horizontal spacing between columns
*/
public final @NonNull IntegerProperty horizontalSpacingProperty() {
return this.horizontalSpacing;
}
/**
* Margin on the left and right
*
* @param value
* the margin
*/
public final void setMarginWidth(int value) {
marginWidthProperty().set(value);
}
/**
* @return Margin on the left and right
*/
public final int getMarginWidth() {
return marginWidthProperty().get();
}
/**
* @return Margin on the left and right
*/
public final @NonNull IntegerProperty marginWidthProperty() {
return this.marginWidth;
}
/**
* Margin on the top and bottom
*
* @param value
* the margin
*/
public final void setMarginHeight(int value) {
marginHeightProperty().set(value);
}
/**
* @return Margin on the top and bottom
*/
public final int getMarginHeight() {
return marginHeightProperty().get();
}
/**
* @return Margin on the top and bottom
*/
public final @NonNull IntegerProperty marginHeightProperty() {
return this.marginHeight;
}
/**
* The margin on the left
*
* @param value
* the left margin
*/
public final void setMarginLeft(int value) {
marginLeftProperty().set(value);
}
/**
* @return The margin on the left
*/
public final int getMarginLeft() {
return marginLeftProperty().get();
}
/**
* @return The margin on the left
*/
public final @NonNull IntegerProperty marginLeftProperty() {
return this.marginLeft;
}
/**
* The margin on the top
*
* @param value
* the new margin
*/
public final void setMarginTop(int value) {
marginTopProperty().set(value);
}
/**
* @return The margin on the top
*/
public final int getMarginTop() {
return marginTopProperty().get();
}
/**
* @return The margin on the top
*/
public final @NonNull IntegerProperty marginTopProperty() {
return this.marginTop;
}
/**
* The margin on the right
*
* @param value
* the new margin
*/
public final void setMarginRight(int value) {
marginRightProperty().set(value);
}
/**
* @return The margin on the right
*/
public final int getMarginRight() {
return marginRightProperty().get();
}
/**
* @return The margin on the right
*/
public final @NonNull IntegerProperty marginRightProperty() {
return this.marginRight;
}
/**
* The margin on the bottom
*
* @param value
* the new margin
*/
public final void setMarginBottom(int value) {
marginBottomProperty().set(value);
}
/**
* @return The margin on the bottom
*/
public final int getMarginBottom() {
return marginBottomProperty().get();
}
/**
* @return The margin on the bottom
*/
public final @NonNull IntegerProperty marginBottomProperty() {
return this.marginBottom;
}
/**
* The vertical spacing between rows
*
* @param value
* the spacing
*/
public final void setVerticalSpacing(int value) {
verticalSpacingProperty().set(value);
}
/**
* @return The vertical spacing between rows
*/
public final int getVerticalSpacing() {
return verticalSpacingProperty().get();
}
/**
* @return The vertical spacing between rows
*/
public final @NonNull IntegerProperty verticalSpacingProperty() {
return this.verticalSpacing;
}
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