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c1a40998 FC |
1 | /******************************************************************************* |
2 | * Copyright (c) 2011 MontaVista Software | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Yufen Kuo (ykuo@mvista.com) - Initial API and implementation | |
11 | *******************************************************************************/ | |
638eac44 | 12 | package org.eclipse.linuxtools.internal.lttng.ui.project.dialogs; |
c1a40998 FC |
13 | |
14 | import java.io.File; | |
15 | ||
16 | import org.eclipse.jface.wizard.WizardPage; | |
17 | import org.eclipse.swt.SWT; | |
18 | import org.eclipse.swt.events.ModifyEvent; | |
19 | import org.eclipse.swt.events.ModifyListener; | |
20 | import org.eclipse.swt.events.SelectionAdapter; | |
21 | import org.eclipse.swt.events.SelectionEvent; | |
22 | import org.eclipse.swt.graphics.Font; | |
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.DirectoryDialog; | |
28 | import org.eclipse.swt.widgets.Display; | |
29 | import org.eclipse.swt.widgets.Label; | |
30 | import org.eclipse.swt.widgets.Text; | |
31 | ||
32 | public class TraceLibraryPathWizardPage extends WizardPage { | |
33 | private static final String LTTVTRACEREAD_LOADER_LIBNAME = "lttvtraceread_loader"; //$NON-NLS-1$ | |
34 | private Button browsePathButton; | |
35 | private Text traceLibraryPath; | |
36 | ||
37 | protected TraceLibraryPathWizardPage(String pageName) { | |
38 | super(pageName); | |
39 | } | |
40 | ||
41 | @Override | |
42 | public void createControl(Composite parent) { | |
43 | Composite client = new Composite(parent, SWT.NONE); | |
44 | client.setLayoutData(new GridData(GridData.FILL_BOTH)); | |
45 | ||
46 | GridLayout layout = new GridLayout(3, false); | |
47 | layout.marginHeight = 0; | |
48 | layout.marginWidth = 0; | |
49 | client.setLayout(layout); | |
50 | ||
51 | Label label = new Label(client, SWT.NONE); | |
52 | label.setText(Messages.TraceLibraryPath_label); | |
53 | traceLibraryPath = new Text(client, SWT.BORDER); | |
54 | traceLibraryPath.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); | |
55 | traceLibraryPath.addModifyListener(new ModifyListener() { | |
56 | ||
57 | @Override | |
58 | public void modifyText(ModifyEvent e) { | |
59 | boolean valid = validatePage(); | |
60 | setPageComplete(valid); | |
61 | } | |
62 | ||
63 | }); | |
64 | browsePathButton = new Button(client, SWT.PUSH); | |
65 | browsePathButton.setLayoutData(new GridData(SWT.END, SWT.CENTER, false, false)); | |
66 | browsePathButton.setText(Messages.TraceLibraryPath_browseBtn); | |
67 | browsePathButton.addSelectionListener(new SelectionAdapter() { | |
68 | ||
69 | @Override | |
70 | public void widgetSelected(SelectionEvent e) { | |
71 | String dir = new DirectoryDialog(Display.getDefault() | |
72 | .getActiveShell()).open(); | |
73 | if (dir != null) { | |
74 | traceLibraryPath.setText(dir); | |
75 | } | |
76 | ||
77 | } | |
78 | ||
79 | }); | |
80 | ||
81 | Label noLabel = new Label(client, SWT.NONE); | |
82 | noLabel.setLayoutData(new GridData(SWT.RIGHT, SWT.TOP, false, false)); | |
83 | ||
84 | Label descTextLabel = new Label(client, SWT.WRAP); | |
85 | descTextLabel.setText(Messages.TraceLibraryPathWizard_Message); | |
86 | GridData gd = new GridData(SWT.FILL, SWT.CENTER, true, false); | |
87 | gd.widthHint = 400; | |
88 | gd.horizontalSpan = 2; | |
89 | descTextLabel.setLayoutData(gd); | |
90 | ||
91 | Label noteBoldLabel = new Label(client, SWT.BOLD); | |
92 | noteBoldLabel.setText(Messages.TraceLibraryPath_Note); | |
93 | noteBoldLabel.setLayoutData(new GridData(SWT.RIGHT, SWT.TOP, false, false)); | |
94 | Font font = noteBoldLabel.getFont(); | |
95 | if (font.getFontData().length > 0) | |
96 | noteBoldLabel.setFont(new Font(client.getDisplay(), font | |
97 | .getFontData()[0].getName(), font.getFontData()[0] | |
98 | .getHeight(), SWT.BOLD)); | |
99 | ||
100 | Label noteTextLabel = new Label(client, SWT.WRAP); | |
101 | noteTextLabel.setText(Messages.TraceLibraryPath_Message); | |
102 | gd = new GridData(SWT.FILL, SWT.CENTER, true, false); | |
103 | gd.widthHint = 400; | |
104 | gd.horizontalSpan = 2; | |
105 | noteTextLabel.setLayoutData(gd); | |
106 | setControl(client); | |
107 | ||
108 | } | |
109 | ||
110 | public String getPath() { | |
111 | if (traceLibraryPath != null && !traceLibraryPath.isDisposed()) { | |
112 | String path = traceLibraryPath.getText(); | |
113 | if (path != null && !path.trim().isEmpty()) | |
114 | return path; | |
115 | } | |
116 | return null; | |
117 | } | |
118 | ||
119 | private boolean validatePage() { | |
120 | String path = getPath(); | |
121 | if (path != null) { | |
122 | File file = new File(path); | |
123 | if (file.exists() && file.isDirectory()) { | |
124 | File loaderLib = new File(path, | |
125 | System.mapLibraryName(LTTVTRACEREAD_LOADER_LIBNAME)); | |
126 | if (!loaderLib.exists()) { | |
127 | setErrorMessage(Messages.TraceLibraryPathWizardPage_TraceLoaderLibrary_notExists); | |
128 | return false; | |
129 | } | |
130 | } else { | |
131 | setErrorMessage(Messages.TraceLibraryPathWizardPage_SpecifiedTraceLibraryLocation_notExists); | |
132 | return false; | |
133 | } | |
134 | } | |
135 | setErrorMessage(null); | |
136 | return true; | |
137 | ||
138 | } | |
139 | ||
140 | } |