/
ExplorerPlugin.java
241 lines (216 loc) · 5.96 KB
/
ExplorerPlugin.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
/**
* Aptana Studio
* Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
* Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions).
* Please see the license.html included with this distribution for details.
* Any modifications to this file must keep this entire header intact.
*/
package com.aptana.explorer;
import org.eclipse.core.commands.Command;
import org.eclipse.core.commands.State;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.IPerspectiveDescriptor;
import org.eclipse.ui.IPerspectiveListener;
import org.eclipse.ui.IViewReference;
import org.eclipse.ui.IWindowListener;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.commands.ICommandService;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.eclipse.ui.progress.UIJob;
import org.osgi.framework.BundleContext;
import com.aptana.core.util.EclipseUtil;
/**
* The activator class controls the plug-in life cycle
*/
public class ExplorerPlugin extends AbstractUIPlugin
{
// The plug-in ID
public static final String PLUGIN_ID = "com.aptana.explorer"; //$NON-NLS-1$
private static final String COMMAND_ID = "com.aptana.explorer.commands.toggleAppExplorer"; //$NON-NLS-1$
private static final String COMMAND_STATE = "org.eclipse.ui.commands.toggleState"; //$NON-NLS-1$
// The shared instance
private static ExplorerPlugin plugin;
private final IPerspectiveListener fPerspectiveListener = new IPerspectiveListener()
{
public void perspectiveActivated(IWorkbenchPage page, IPerspectiveDescriptor perspective)
{
setCommandState(findView(page, IExplorerUIConstants.VIEW_ID) != null);
}
public void perspectiveChanged(IWorkbenchPage page, IPerspectiveDescriptor perspective, String changeId)
{
if (changeId.equals(IWorkbenchPage.CHANGE_VIEW_HIDE))
{
if (findView(page, IExplorerUIConstants.VIEW_ID) == null)
{
setCommandState(false);
}
}
else if (changeId.equals(IWorkbenchPage.CHANGE_VIEW_SHOW))
{
if (findView(page, IExplorerUIConstants.VIEW_ID) != null)
{
setCommandState(true);
}
}
}
private void setCommandState(boolean state)
{
ICommandService service = (ICommandService) PlatformUI.getWorkbench().getService(ICommandService.class);
Command command = service.getCommand(COMMAND_ID);
State commandState = command.getState(COMMAND_STATE);
if (((Boolean) commandState.getValue()) != state)
{
commandState.setValue(state);
service.refreshElements(COMMAND_ID, null);
}
}
};
private final IWindowListener fWindowListener = new IWindowListener()
{
public void windowActivated(IWorkbenchWindow window)
{
}
public void windowClosed(IWorkbenchWindow window)
{
window.removePerspectiveListener(fPerspectiveListener);
}
public void windowDeactivated(IWorkbenchWindow window)
{
}
public void windowOpened(IWorkbenchWindow window)
{
window.addPerspectiveListener(fPerspectiveListener);
}
};
/**
* The constructor
*/
public ExplorerPlugin()
{
}
private IViewReference findView(IWorkbenchPage page, String viewId)
{
IViewReference refs[] = page.getViewReferences();
for (int i = 0; i < refs.length; i++)
{
IViewReference ref = refs[i];
if (viewId.equals(ref.getId()))
{
return ref;
}
}
return null;
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
*/
public void start(BundleContext context) throws Exception
{
super.start(context);
plugin = this;
// Run this in a job so we don't slow down the plugin startup!
// FIXME Pull the toggle/part listener code out to it's own class?
UIJob uiJob = new UIJob("adding app explorer toggle listener") //$NON-NLS-1$
{
@Override
public IStatus runInUIThread(IProgressMonitor monitor)
{
addPartListener();
return Status.OK_STATUS;
}
};
EclipseUtil.setSystemForJob(uiJob);
uiJob.schedule();
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
*/
public void stop(BundleContext context) throws Exception
{
try
{
removePartListener();
}
finally
{
plugin = null;
super.stop(context);
}
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static ExplorerPlugin getDefault()
{
return plugin;
}
public static Image getImage(String string)
{
if (getDefault().getImageRegistry().get(string) == null)
{
ImageDescriptor id = imageDescriptorFromPlugin(PLUGIN_ID, string);
if (id != null)
getDefault().getImageRegistry().put(string, id);
}
return getDefault().getImageRegistry().get(string);
}
public static void logError(CoreException e)
{
getDefault().getLog().log(e.getStatus());
}
private void addPartListener()
{
IWorkbench workbench = null;
try
{
workbench = PlatformUI.getWorkbench();
}
catch (Exception e)
{
// ignore, may be running headless, like in tests
}
if (workbench != null)
{
IWorkbenchWindow[] windows = workbench.getWorkbenchWindows();
for (IWorkbenchWindow window : windows)
{
window.addPerspectiveListener(fPerspectiveListener);
}
// Listen on any future windows
workbench.addWindowListener(fWindowListener);
}
}
private void removePartListener()
{
IWorkbench workbench = null;
try
{
workbench = PlatformUI.getWorkbench();
}
catch (Exception e)
{
// ignore, may be running headless, like in tests
}
if (workbench != null)
{
IWorkbenchWindow[] windows = workbench.getWorkbenchWindows();
for (IWorkbenchWindow window : windows)
{
window.removePerspectiveListener(fPerspectiveListener);
}
workbench.removeWindowListener(fWindowListener);
}
}
}