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1
11 package org.eclipse.ui.internal.part;
12
13 import java.io.PrintWriter  ;
14 import java.io.StringWriter ;
15
16 import org.eclipse.core.runtime.IStatus;
17 import org.eclipse.jface.dialogs.IDialogConstants;
18 import org.eclipse.swt.SWT;
19 import org.eclipse.swt.events.SelectionAdapter;
20 import org.eclipse.swt.events.SelectionEvent;
21 import org.eclipse.swt.graphics.Image;
22 import org.eclipse.swt.layout.FillLayout;
23 import org.eclipse.swt.layout.GridData;
24 import org.eclipse.swt.layout.GridLayout;
25 import org.eclipse.swt.widgets.Button;
26 import org.eclipse.swt.widgets.Composite;
27 import org.eclipse.swt.widgets.Control;
28 import org.eclipse.swt.widgets.Display;
29 import org.eclipse.swt.widgets.Label;
30 import org.eclipse.swt.widgets.Text;
31
32
35 public class StatusPart {
36
37 boolean showingDetails = false;
38 private Button detailsButton;
39 private Composite detailsArea;
40 private Control details = null;
41 private IStatus reason;
42
43 public StatusPart(final Composite parent, IStatus reason_) {
44 this.reason = reason_;
45 GridLayout layout = new GridLayout();
46
47 layout.numColumns = 3;
48
49 int spacing = 8;
50 int margins = 8;
51 layout.marginBottom = margins;
52 layout.marginTop = margins;
53 layout.marginLeft = margins;
54 layout.marginRight = margins;
55 layout.horizontalSpacing = spacing;
56 layout.verticalSpacing = spacing;
57 parent.setLayout(layout);
58
59 Label imageLabel = new Label(parent, SWT.NONE);
60 Image image = getImage();
61 if (image != null) {
62 image.setBackground(imageLabel.getBackground());
63 imageLabel.setImage(image);
64 imageLabel.setLayoutData(new GridData(
65 GridData.HORIZONTAL_ALIGN_CENTER
66 | GridData.VERTICAL_ALIGN_BEGINNING));
67 }
68
69 Text text = new Text(parent, SWT.MULTI | SWT.READ_ONLY | SWT.WRAP);
70 text.setBackground(text.getDisplay().getSystemColor(
71 SWT.COLOR_WIDGET_BACKGROUND));
72
73 text.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.GRAB_HORIZONTAL | GridData.VERTICAL_ALIGN_BEGINNING));
75 text.setText(reason.getMessage());
76
77 detailsButton = new Button(parent, SWT.PUSH);
78 detailsButton.addSelectionListener(new SelectionAdapter() {
79 public void widgetSelected(SelectionEvent e) {
80 showDetails(!showingDetails);
81 }
82 });
83
84 detailsButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING | GridData.VERTICAL_ALIGN_BEGINNING));
85 detailsButton.setVisible(reason.getException() != null);
86
87 updateDetailsText();
88
89 detailsArea = new Composite(parent, SWT.NONE);
90 GridData data = new GridData(GridData.FILL_BOTH);
91 data.horizontalSpan = 3;
92 data.verticalSpan = 1;
93 detailsArea.setLayoutData(data);
94 detailsArea.setLayout(new FillLayout());
95 parent.layout(true);
96 }
97
98
103 private Image getImage() {
104 Display d = Display.getCurrent();
105
106 switch(reason.getSeverity()) {
107 case IStatus.ERROR:
108 return d.getSystemImage(SWT.ICON_ERROR);
109 case IStatus.WARNING:
110 return d.getSystemImage(SWT.ICON_WARNING);
111 default:
112 return d.getSystemImage(SWT.ICON_INFORMATION);
113 }
114 }
115
116 private void showDetails(boolean shouldShow) {
117 if (shouldShow == showingDetails) {
118 return;
119 }
120 this.showingDetails = shouldShow;
121 updateDetailsText();
122 }
123
124 private void updateDetailsText() {
125 if (details != null) {
126 details.dispose();
127 details = null;
128 }
129
130 if (showingDetails) {
131 detailsButton.setText(IDialogConstants.HIDE_DETAILS_LABEL);
132 Text detailsText = new Text(detailsArea, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL
133 | SWT.MULTI | SWT.READ_ONLY | SWT.LEFT_TO_RIGHT);
134 detailsText.setText(getDetails(reason));
135 detailsText.setBackground(detailsText.getDisplay().getSystemColor(
136 SWT.COLOR_LIST_BACKGROUND));
137 details = detailsText;
138 detailsArea.layout(true);
139 } else {
140 detailsButton.setText(IDialogConstants.SHOW_DETAILS_LABEL);
141 }
142 }
143
144
145 private String getDetails(IStatus status) {
146 if (status.getException() != null) {
147 return getStackTrace(status.getException());
148 }
149
150 return ""; }
152
153 private String getStackTrace(Throwable throwable) {
154 StringWriter swriter = new StringWriter ();
155 PrintWriter pwriter = new PrintWriter (swriter);
156 throwable.printStackTrace(pwriter);
157 pwriter.flush();
158 pwriter.close();
159 return swriter.toString();
160 }
161 }
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