Autopsy  4.17.0
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 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 
30  private final JLabel label;
31  private boolean visible = false;
32 
36  public BaseMessageOverlay() {
37  label = new JLabel();
38  label.setHorizontalAlignment(JLabel.CENTER);
39  label.setVerticalAlignment(JLabel.CENTER);
40  label.setOpaque(false);
41  }
42 
46  public boolean isVisible() {
47  return visible;
48  }
49 
56  public void setVisible(boolean visible) {
57  this.visible = visible;
58  }
59 
65  public void setMessage(String message) {
66  label.setText(String.format("<html><div style='text-align: center;'>%s</div></html>",
67  message == null ? "" : message));
68  }
69 
77  public void paintOverlay(Graphics g, int width, int height) {
78  paintOverlay(g, width, height, null);
79  }
80 
91  public void paintOverlay(Graphics g, int parentWidth, int parentHeight, Integer labelMaxWidth) {
92  if (!visible) {
93  return;
94  }
95 
96  int labelWidth = (labelMaxWidth == null) ? parentWidth : Math.min(labelMaxWidth, parentWidth);
97  int leftPad = (parentWidth - labelWidth) / 2;
98 
99  // paint the jlabel if visible.
100  g.translate(leftPad, 0);
101  label.setBounds(0, 0, labelWidth, parentHeight);
102  g.translate(0, 0);
103 
104  label.paint(g);
105  }
106 }
org.sleuthkit.autopsy.datasourcesummary.uiutils.BaseMessageOverlay.paintOverlay
void paintOverlay(Graphics g, int parentWidth, int parentHeight, Integer labelMaxWidth)
Definition: BaseMessageOverlay.java:91

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