/eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/AbstractCdmEditorViewPart.java - Annotate - EDIT - EDIT Project Management

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taxeditor/eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/AbstractCdmEditorViewPart.java @ 795080d7

1	c10e4c27	n.hoffmann	/**
2	ee1ed5a9	Patric Plitzner	*
3	c10e4c27	n.hoffmann	*/
4	f211dd28	n.hoffmann	package eu.etaxonomy.taxeditor.view;
5	c10e4c27	n.hoffmann
6	2832a925	Patric Plitzner	import org.eclipse.jface.viewers.ISelection;
7	12257a98	Patrick Plitzner	import org.eclipse.jface.viewers.IStructuredSelection;
8	c10e4c27	n.hoffmann	import org.eclipse.swt.widgets.Composite;
9	2832a925	Patric Plitzner	import org.eclipse.swt.widgets.Display;
10			import org.eclipse.ui.IWorkbenchPart;
11	c10e4c27	n.hoffmann
12	296bc5e0	Patric Plitzner	import eu.etaxonomy.taxeditor.model.IDirtyMarkable;
13	da07b5ae	Patrick Plitzner	import eu.etaxonomy.taxeditor.workbench.part.ISelectionElementEditingPart;
14	c10e4c27	n.hoffmann
15			/**
16	9d33fde3	n.hoffmann	* <p>
17			* Abstract AbstractCdmEditorViewPart class.
18			* </p>
19	ee1ed5a9	Patric Plitzner	*
20	c10e4c27	n.hoffmann	* @author n.hoffmann
21			* @created Sep 21, 2010
22			* @version 1.0
23			*/
24	da07b5ae	Patrick Plitzner	public abstract class AbstractCdmEditorViewPart extends AbstractCdmViewPart implements ISelectionElementEditingPart {
25	c10e4c27	n.hoffmann
26	2832a925	Patric Plitzner	private DelaySelection delaySelection = null;
27			/**
28			* This is the monitor for the DelaySelection runnable.
29			* If it is <code>true</code> then it is currently delaying a selection.
30			*/
31	310e8ec9	Patric Plitzner	private boolean isInDelay;
32	12257a98	Patrick Plitzner
33	da07b5ae	Patrick Plitzner	protected Object selectionProvidingPart;
34	2832a925	Patric Plitzner
35
36			/**
37			* This class invokes internal_selectionChanged() in a separate thread.
38			* This allows an asynchronous and/or delayed handling of selection changes
39			*/
40			private class DelaySelection implements Runnable{
41			private IWorkbenchPart part;
42			private ISelection selection;
43
44			public DelaySelection(IWorkbenchPart part, ISelection selection) {
45			super();
46			this.part = part;
47			this.selection = selection;
48			}
49
50			@Override
51			public void run() {
52	310e8ec9	Patric Plitzner	try{
53	7beb1c71	Patric Plitzner	selectionChanged_internal(part, selection);
54	310e8ec9	Patric Plitzner	}
55			finally{
56			isInDelay = false;
57			}
58	2832a925	Patric Plitzner	}
59
60			public synchronized void setSelection(ISelection selection) {
61			this.selection = selection;
62			}
63
64			public synchronized void setPart(IWorkbenchPart part) {
65			this.part = part;
66			}
67
68			}
69
70			/**
71			* Handle selection change events here and <b>not</b> in
72			* {@link AbstractCdmEditorViewPart#selectionChanged(IWorkbenchPart, ISelection)}
73			* if you want asynchronous selection handling.
74			* @param part The workbench part that has issued the selection change
75			* @param selection the new selection
76			*/
77	7beb1c71	Patric Plitzner	protected abstract void selectionChanged_internal(IWorkbenchPart part, ISelection selection);
78	2832a925	Patric Plitzner
79			/** {@inheritDoc} */
80			@Override
81			public void selectionChanged(IWorkbenchPart part, ISelection selection) {
82	79724bfc	k.luther	/*to avoid widget is disposed exceptions
83	221d1c69	k.luther	if(getViewer().getControl().isDisposed()){
84			return;
85	79724bfc	k.luther	}*/
86	221d1c69	k.luther	if(delaySelection==null){
87	2832a925	Patric Plitzner	delaySelection = new DelaySelection(part, selection);
88			}
89			delaySelection.setPart(part);
90			delaySelection.setSelection(selection);
91			if(!isInDelay){
92			isInDelay = true;
93			Display.getCurrent().asyncExec(delaySelection);
94			}
95	12257a98	Patrick Plitzner	}
96
97			/**
98			* {@inheritDoc}
99			*/
100			@Override
101			public void showViewer(Object part, IStructuredSelection selection) {
102			super.showViewer(part, selection);
103	da07b5ae	Patrick Plitzner	selectionProvidingPart = part;
104			}
105
106			@Override
107			public Object getSelectionProvidingPart() {
108			return selectionProvidingPart;
109	2832a925	Patric Plitzner	}
110	f13a970a	Patrick Plitzner
111
112	2832a925	Patric Plitzner
113			/** {@inheritDoc} */
114			@Override
115			public void createPartControl(Composite parent) {
116			super.createPartControl(parent);
117	310e8ec9	Patric Plitzner	isInDelay = false;
118	2832a925	Patric Plitzner	}
119
120	68061e15	Patrick Plitzner	// /**
121			// * <p>
122			// * getEditor
123			// * </p>
124			// *
125			// * @return the currently active editor
126			// */
127			// public IEditorPart getEditor() {
128			//// return AbstractUtility.getActiveEditor();
129			// }
130	2832a925	Patric Plitzner
131	da07b5ae	Patrick Plitzner	/**
132			* {@inheritDoc}
133			*/
134			@Override
135			public void showEmptyPage() {
136			selectionProvidingPart = null;
137			super.showEmptyPage();
138			}
139
140	2832a925	Patric Plitzner	/** {@inheritDoc} */
141			@Override
142			public void setFocus() {
143			super.setFocus();
144
145	68061e15	Patrick Plitzner	// if(getEditor() != null && ISecuredEditor.class.isAssignableFrom(getEditor().getClass())){
146			// boolean doEnable = ((ISecuredEditor)getEditor()).permissionsSatisfied();
147			// setEnabled(doEnable);
148			// }
149	ee1ed5a9	Patric Plitzner	}
150	9d33fde3	n.hoffmann
151	da07b5ae	Patrick Plitzner	/**
152			* {@inheritDoc}
153			*/
154			@Override
155			public void dispose() {
156			selectionProvidingPart = null;
157			super.dispose();
158			}
159
160	ee1ed5a9	Patric Plitzner	/** {@inheritDoc} */
161			@Override
162			public void changed(Object object) {
163	f13a970a	Patrick Plitzner	if(part instanceof IDirtyMarkable){
164			((IDirtyMarkable) part).changed(object);
165			}
166			else {
167	68061e15	Patrick Plitzner	// IEditorPart editor = getEditor();
168			// if (editor != null && editor instanceof IDirtyMarkable) {
169			// ((IDirtyMarkable) editor).changed(object);
170			// }
171	ee1ed5a9	Patric Plitzner	}
172			}
173	c10e4c27	n.hoffmann
174			}

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