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1 | /******************************************************************************* |
2 | * Copyright (c) 2011 Ericsson | |
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 | * Bernd Hufmann - Initial API and implementation | |
11 | * | |
12 | *******************************************************************************/ | |
13 | package org.eclipse.linuxtools.lttng.ui.tracecontrol.actions; | |
14 | ||
15 | import java.util.ArrayList; | |
16 | import java.util.Iterator; | |
17 | import java.util.List; | |
18 | ||
19 | import org.eclipse.jface.action.IAction; | |
20 | import org.eclipse.jface.dialogs.MessageDialog; | |
21 | import org.eclipse.jface.viewers.ISelection; | |
22 | import org.eclipse.jface.viewers.IStructuredSelection; | |
6c13869b | 23 | import org.eclipse.linuxtools.lttng.core.tracecontrol.model.TraceResource; |
e8d771d5 BH |
24 | import org.eclipse.linuxtools.lttng.ui.tracecontrol.Messages; |
25 | import org.eclipse.rse.core.events.ISystemRemoteChangeEvents; | |
26 | import org.eclipse.rse.core.model.ISystemRegistry; | |
27 | import org.eclipse.rse.core.model.SystemStartHere; | |
28 | import org.eclipse.rse.ui.SystemBasePlugin; | |
29 | import org.eclipse.swt.widgets.Shell; | |
30 | import org.eclipse.ui.IObjectActionDelegate; | |
31 | import org.eclipse.ui.IViewActionDelegate; | |
32 | import org.eclipse.ui.IViewPart; | |
33 | import org.eclipse.ui.IWorkbenchPart; | |
34 | import org.eclipse.ui.IWorkbenchWindow; | |
35 | import org.eclipse.ui.IWorkbenchWindowActionDelegate; | |
36 | ||
37 | /** | |
38 | * <b><u>DeleteTrace</u></b> | |
39 | * <p> | |
40 | * Action implementation to delete a new trace. | |
41 | * </p> | |
42 | */ | |
43 | public class DeleteTrace implements IObjectActionDelegate, IWorkbenchWindowActionDelegate, IViewActionDelegate { | |
44 | ||
45 | // ------------------------------------------------------------------------ | |
46 | // Attributes | |
47 | // ------------------------------------------------------------------------ | |
48 | ||
49 | private List<TraceResource> fSelectedTraces; | |
50 | ||
51 | // ------------------------------------------------------------------------ | |
52 | // Constructors | |
53 | // ------------------------------------------------------------------------ | |
54 | ||
55 | public DeleteTrace() { | |
56 | fSelectedTraces = new ArrayList<TraceResource>(); | |
57 | } | |
58 | ||
59 | // ------------------------------------------------------------------------ | |
60 | // Operations | |
61 | // ------------------------------------------------------------------------ | |
62 | ||
63 | /* | |
64 | * (non-Javadoc) | |
65 | * @see org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.action.IAction, org.eclipse.ui.IWorkbenchPart) | |
66 | */ | |
67 | @Override | |
68 | public void setActivePart(IAction arg0, IWorkbenchPart arg1) { | |
69 | } | |
70 | ||
71 | /** | |
72 | * Gets the first selected target. | |
73 | * | |
74 | * @return first selected target. | |
75 | */ | |
76 | protected TraceResource getSelectedTarget() { | |
77 | if (fSelectedTraces.size() > 0) { | |
78 | return (TraceResource) fSelectedTraces.get(0); | |
79 | } | |
80 | return null; | |
81 | } | |
82 | ||
83 | /* | |
84 | * (non-Javadoc) | |
85 | * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) | |
86 | */ | |
87 | @Override | |
88 | public void run(IAction arg0) { | |
89 | ||
90 | boolean confirm = MessageDialog.openConfirm(getShell(), | |
91 | Messages.DeleteTrace_ConfirmTitle, | |
92 | Messages.DeleteTrace_ConfirmMessage); | |
93 | if (!confirm) { | |
94 | return; | |
95 | } | |
96 | ||
97 | int size = fSelectedTraces.size(); | |
98 | for (int i = 0; i < size; i++) { | |
99 | ||
100 | final TraceResource trace = (TraceResource) fSelectedTraces.get(i); | |
101 | ||
102 | trace.getParent().removeTrace(trace); | |
103 | ||
104 | ISystemRegistry registry = SystemStartHere.getSystemRegistry(); | |
105 | registry.fireRemoteResourceChangeEvent(ISystemRemoteChangeEvents.SYSTEM_REMOTE_RESOURCE_DELETED, trace, trace.getParent(), trace.getSubSystem(), null); | |
106 | } | |
107 | } | |
108 | ||
109 | /* | |
110 | * (non-Javadoc) | |
111 | * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection) | |
112 | */ | |
113 | @SuppressWarnings("unchecked") | |
114 | @Override | |
115 | public void selectionChanged(IAction action, ISelection selection) { | |
116 | ||
117 | if (selection instanceof IStructuredSelection) { | |
118 | fSelectedTraces.clear(); | |
119 | ||
120 | // store the selected targets to be used when running | |
121 | Iterator<IStructuredSelection> theSet = ((IStructuredSelection) selection).iterator(); | |
122 | while (theSet.hasNext()) { | |
123 | Object obj = theSet.next(); | |
124 | if (obj instanceof TraceResource) { | |
125 | fSelectedTraces.add((TraceResource)obj); | |
126 | } | |
127 | } | |
128 | } | |
129 | ||
130 | } | |
131 | ||
132 | /** | |
133 | * Returns the active workbench shell of this plug-in. | |
134 | * | |
135 | * @return active workbench shell. | |
136 | */ | |
137 | protected Shell getShell() { | |
138 | return SystemBasePlugin.getActiveWorkbenchShell(); | |
139 | } | |
140 | ||
141 | /* | |
142 | * (non-Javadoc) | |
143 | * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow) | |
144 | */ | |
145 | @Override | |
146 | public void init(IWorkbenchWindow window) { | |
147 | } | |
148 | ||
149 | /* | |
150 | * (non-Javadoc) | |
151 | * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose() | |
152 | */ | |
153 | @Override | |
154 | public void dispose() { | |
155 | } | |
156 | ||
157 | /* | |
158 | * (non-Javadoc) | |
159 | * @see org.eclipse.ui.IViewActionDelegate#init(org.eclipse.ui.IViewPart) | |
160 | */ | |
161 | @Override | |
162 | public void init(IViewPart view) { | |
163 | } | |
164 | } |