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Code Issues Packages Projects Releases Wiki Activity

Moved WrapLayout to its own public class

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This commit is contained in:
Kelly Kelly 2019-06-11 08:04:00 -04:00
parent 1ab509d428
commit 1ba6ee2b28
2 changed files with 206 additions and 181 deletions
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180
Core/src/org/sleuthkit/autopsy/corecomponents/DataResultViewerThumbnail.java
View File

@ -19,14 +19,9 @@
package org.sleuthkit.autopsy.corecomponents; package org.sleuthkit.autopsy.corecomponents;
import java.awt.Color; import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Cursor; import java.awt.Cursor;
import java.awt.Dialog; import java.awt.Dialog;
import java.awt.Dimension;
import java.awt.EventQueue; import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.Insets;
import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener; import java.beans.PropertyChangeListener;
import java.util.List; import java.util.List;
@ -37,10 +32,7 @@ import java.util.logging.Level;
import java.util.prefs.Preferences; import java.util.prefs.Preferences;
import java.util.stream.Collectors; import java.util.stream.Collectors;
import javax.swing.JOptionPane; import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.ListSelectionModel; import javax.swing.ListSelectionModel;
import javax.swing.SortOrder;
import javax.swing.SwingUtilities;
import javax.swing.SwingWorker; import javax.swing.SwingWorker;
import org.apache.commons.lang3.StringUtils; import org.apache.commons.lang3.StringUtils;
import org.netbeans.api.progress.ProgressHandle; import org.netbeans.api.progress.ProgressHandle;
@ -757,176 +749,4 @@ public final class DataResultViewerThumbnail extends AbstractDataResultViewer {
} }
} }
} }
private class WrapLayout extends FlowLayout {
private Dimension preferredLayoutSize;
/**
* Constructs a new <code>WrapLayout</code> with a left alignment and a
* default 5-unit horizontal and vertical gap.
*/
public WrapLayout() {
super();
}
/**
* Constructs a new <code>FlowLayout</code> with the specified alignment
* and a default 5-unit horizontal and vertical gap. The value of the
* alignment argument must be one of <code>WrapLayout</code>,
* <code>WrapLayout</code>, or <code>WrapLayout</code>.
*
* @param align the alignment value
*/
public WrapLayout(int align) {
super(align);
}
/**
* Creates a new flow layout manager with the indicated alignment and
* the indicated horizontal and vertical gaps.
* <p>
* The value of the alignment argument must be one of
* <code>WrapLayout</code>, <code>WrapLayout</code>, or
* <code>WrapLayout</code>.
*
* @param align the alignment value
* @param hgap the horizontal gap between components
* @param vgap the vertical gap between components
*/
public WrapLayout(int align, int hgap, int vgap) {
super(align, hgap, vgap);
}
/**
* Returns the preferred dimensions for this layout given the
* <i>visible</i> components in the specified target container.
*
* @param target the component which needs to be laid out
*
* @return the preferred dimensions to lay out the subcomponents of the
* specified container
*/
@Override
public Dimension preferredLayoutSize(Container target) {
return layoutSize(target, true);
}
/**
* Returns the minimum dimensions needed to layout the <i>visible</i>
* components contained in the specified target container.
*
* @param target the component which needs to be laid out
*
* @return the minimum dimensions to lay out the subcomponents of the
* specified container
*/
@Override
public Dimension minimumLayoutSize(Container target) {
Dimension minimum = layoutSize(target, false);
minimum.width -= (getHgap() + 1);
return minimum;
}
/**
* Returns the minimum or preferred dimension needed to layout the
* target container.
*
* @param target target to get layout size for
* @param preferred should preferred size be calculated
*
* @return the dimension to layout the target container
*/
private Dimension layoutSize(Container target, boolean preferred) {
synchronized (target.getTreeLock()) {
// Each row must fit with the width allocated to the containter.
// When the container width = 0, the preferred width of the container
// has not yet been calculated so lets ask for the maximum.
int targetWidth = target.getSize().width;
Container container = target;
while (container.getSize().width == 0 && container.getParent() != null) {
container = container.getParent();
}
targetWidth = container.getSize().width;
if (targetWidth == 0) {
targetWidth = Integer.MAX_VALUE;
}
int hgap = getHgap();
int vgap = getVgap();
Insets insets = target.getInsets();
int horizontalInsetsAndGap = insets.left + insets.right + (hgap * 2);
int maxWidth = targetWidth - horizontalInsetsAndGap;
// Fit components into the allowed width
Dimension dim = new Dimension(0, 0);
int rowWidth = 0;
int rowHeight = 0;
int nmembers = target.getComponentCount();
for (int i = 0; i < nmembers; i++) {
Component m = target.getComponent(i);
if (m.isVisible()) {
Dimension d = preferred ? m.getPreferredSize() : m.getMinimumSize();
// Can't add the component to current row. Start a new row.
if (rowWidth + d.width > maxWidth) {
addRow(dim, rowWidth, rowHeight);
rowWidth = 0;
rowHeight = 0;
}
// Add a horizontal gap for all components after the first
if (rowWidth != 0) {
rowWidth += hgap;
}
rowWidth += d.width;
rowHeight = Math.max(rowHeight, d.height);
}
}
addRow(dim, rowWidth, rowHeight);
dim.width += horizontalInsetsAndGap;
dim.height += insets.top + insets.bottom + vgap * 2;
// When using a scroll pane or the DecoratedLookAndFeel we need to
// make sure the preferred size is less than the size of the
// target containter so shrinking the container size works
// correctly. Removing the horizontal gap is an easy way to do this.
Container scrollPane = SwingUtilities.getAncestorOfClass(JScrollPane.class, target);
if (scrollPane != null && target.isValid()) {
dim.width -= (hgap + 1);
}
return dim;
}
}
/*
* A new row has been completed. Use the dimensions of this row to
* update the preferred size for the container.
*
* @param dim update the width and height when appropriate @param
* rowWidth the width of the row to add @param rowHeight the height of
* the row to add
*/
private void addRow(Dimension dim, int rowWidth, int rowHeight) {
dim.width = Math.max(dim.width, rowWidth);
if (dim.height > 0) {
dim.height += getVgap();
}
dim.height += rowHeight;
}
}
} }

205
Core/src/org/sleuthkit/autopsy/corecomponents/WrapLayout.java Executable file
View File

@ -0,0 +1,205 @@
/*
* Autopsy Forensic Browser
*
* Copyright 2019 Basis Technology Corp.
* Contact: carrier <at> sleuthkit <dot> org
*
* 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 org.sleuthkit.autopsy.corecomponents;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Insets;
import javax.swing.JScrollPane;
import javax.swing.SwingUtilities;
/**
* FlowLayout subclass that fully supports wrapping of components.
*
* Originally written by Rob Camick
* https://tips4java.wordpress.com/2008/11/06/wrap-layout/
*/
public class WrapLayout extends FlowLayout {
private Dimension preferredLayoutSize;
/**
* Constructs a new <code>WrapLayout</code> with a left alignment and a
* default 5-unit horizontal and vertical gap.
*/
public WrapLayout() {
super();
}
/**
* Constructs a new <code>FlowLayout</code> with the specified alignment
* and a default 5-unit horizontal and vertical gap. The value of the
* alignment argument must be one of <code>WrapLayout</code>,
* <code>WrapLayout</code>, or <code>WrapLayout</code>.
*
* @param align the alignment value
*/
public WrapLayout(int align) {
super(align);
}
/**
* Creates a new flow layout manager with the indicated alignment and
* the indicated horizontal and vertical gaps.
* <p>
* The value of the alignment argument must be one of
* <code>WrapLayout</code>, <code>WrapLayout</code>, or
* <code>WrapLayout</code>.
*
* @param align the alignment value
* @param hgap the horizontal gap between components
* @param vgap the vertical gap between components
*/
public WrapLayout(int align, int hgap, int vgap) {
super(align, hgap, vgap);
}
/**
* Returns the preferred dimensions for this layout given the
* <i>visible</i> components in the specified target container.
*
* @param target the component which needs to be laid out
*
* @return the preferred dimensions to lay out the subcomponents of the
* specified container
*/
@Override
public Dimension preferredLayoutSize(Container target) {
return layoutSize(target, true);
}
/**
* Returns the minimum dimensions needed to layout the <i>visible</i>
* components contained in the specified target container.
*
* @param target the component which needs to be laid out
*
* @return the minimum dimensions to lay out the subcomponents of the
* specified container
*/
@Override
public Dimension minimumLayoutSize(Container target) {
Dimension minimum = layoutSize(target, false);
minimum.width -= (getHgap() + 1);
return minimum;
}
/**
* Returns the minimum or preferred dimension needed to layout the
* target container.
*
* @param target target to get layout size for
* @param preferred should preferred size be calculated
*
* @return the dimension to layout the target container
*/
private Dimension layoutSize(Container target, boolean preferred) {
synchronized (target.getTreeLock()) {
// Each row must fit with the width allocated to the containter.
// When the container width = 0, the preferred width of the container
// has not yet been calculated so lets ask for the maximum.
int targetWidth = target.getSize().width;
Container container = target;
while (container.getSize().width == 0 && container.getParent() != null) {
container = container.getParent();
}
targetWidth = container.getSize().width;
if (targetWidth == 0) {
targetWidth = Integer.MAX_VALUE;
}
int hgap = getHgap();
int vgap = getVgap();
Insets insets = target.getInsets();
int horizontalInsetsAndGap = insets.left + insets.right + (hgap * 2);
int maxWidth = targetWidth - horizontalInsetsAndGap;
// Fit components into the allowed width
Dimension dim = new Dimension(0, 0);
int rowWidth = 0;
int rowHeight = 0;
int nmembers = target.getComponentCount();
for (int i = 0; i < nmembers; i++) {
Component m = target.getComponent(i);
if (m.isVisible()) {
Dimension d = preferred ? m.getPreferredSize() : m.getMinimumSize();
// Can't add the component to current row. Start a new row.
if (rowWidth + d.width > maxWidth) {
addRow(dim, rowWidth, rowHeight);
rowWidth = 0;
rowHeight = 0;
}
// Add a horizontal gap for all components after the first
if (rowWidth != 0) {
rowWidth += hgap;
}
rowWidth += d.width;
rowHeight = Math.max(rowHeight, d.height);
}
}
addRow(dim, rowWidth, rowHeight);
dim.width += horizontalInsetsAndGap;
dim.height += insets.top + insets.bottom + vgap * 2;
// When using a scroll pane or the DecoratedLookAndFeel we need to
// make sure the preferred size is less than the size of the
// target containter so shrinking the container size works
// correctly. Removing the horizontal gap is an easy way to do this.
Container scrollPane = SwingUtilities.getAncestorOfClass(JScrollPane.class, target);
if (scrollPane != null && target.isValid()) {
dim.width -= (hgap + 1);
}
return dim;
}
}
/*
* A new row has been completed. Use the dimensions of this row to
* update the preferred size for the container.
*
* @param dim update the width and height when appropriate @param
* rowWidth the width of the row to add @param rowHeight the height of
* the row to add
*/
private void addRow(Dimension dim, int rowWidth, int rowHeight) {
dim.width = Math.max(dim.width, rowWidth);
if (dim.height > 0) {
dim.height += getVgap();
}
dim.height += rowHeight;
}
}