Autopsy  4.20.0
Graphical digital forensics platform for The Sleuth Kit and other tools.
BaseMessageOverlay.java
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1 /*
2  * Autopsy Forensic Browser
3  *
4  * Copyright 2019-2021 Basis Technology Corp.
5  * Contact: carrier <at> sleuthkit <dot> org
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  * http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  */
19 package org.sleuthkit.autopsy.datasourcesummary.uiutils;
20 
21 import java.awt.Graphics;
22 import javax.swing.JLabel;
23 
28 public class BaseMessageOverlay {
29  private final JLabel label;
30  private boolean visible = false;
31 
35  public BaseMessageOverlay() {
36  label = new JLabel();
37  label.setHorizontalAlignment(JLabel.CENTER);
38  label.setVerticalAlignment(JLabel.CENTER);
39  label.setOpaque(false);
40  }
41 
45  public boolean isVisible() {
46  return visible;
47  }
48 
55  public void setVisible(boolean visible) {
56  this.visible = visible;
57  }
58 
64  public void setMessage(String message) {
65  label.setText(String.format("<html><div style='text-align: center;'>%s</div></html>",
66  message == null ? "" : message));
67  }
68 
76  public void paintOverlay(Graphics g, int width, int height) {
77  paintOverlay(g, width, height, null);
78  }
79 
90  public void paintOverlay(Graphics g, int parentWidth, int parentHeight, Integer labelMaxWidth) {
91  if (!visible) {
92  return;
93  }
94 
95  int labelWidth = (labelMaxWidth == null) ? parentWidth : Math.min(labelMaxWidth, parentWidth);
96  int leftPad = (parentWidth - labelWidth) / 2;
97 
98  // paint the jlabel if visible.
99  g.translate(leftPad, 0);
100  label.setBounds(0, 0, labelWidth, parentHeight);
101  g.translate(0, 0);
102 
103  label.paint(g);
104  }
105 }
org.sleuthkit.autopsy.datasourcesummary.uiutils.BaseMessageOverlay.paintOverlay
void paintOverlay(Graphics g, int parentWidth, int parentHeight, Integer labelMaxWidth)
Definition: BaseMessageOverlay.java:90

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