Attachment #80937 for bug #173060

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		initializeImages();
		Composite container = createClientContainer(section, 2, toolkit);
		TreePart treePart = getTreePart();
		createViewerPartControl(container, SWT.MULTI, 2, toolkit);
		fExtensionTree = treePart.getTreeViewer();
		fExtensionTree.setContentProvider(new ExtensionContentProvider());
		fExtensionTree.setLabelProvider(new ExtensionLabelProvider());

			public void modifyText(ModifyEvent e) {
				StructuredViewer viewer = getStructuredViewerPart().getViewer();
				IStructuredSelection ssel = (IStructuredSelection)viewer.getSelection();
				updateButtons(ssel.size() != 1 ? null : ssel);
			}
		});
	}

	
	protected void selectionChanged(IStructuredSelection selection) {
		getPage().getPDEEditor().setSelection(selection);
		updateButtons(selection);
		getTreePart().getButton(BUTTON_EDIT).setVisible(isSelectionEditable(selection));
	}
	protected void buttonSelected(int index) {

			return true;
		}
		if (actionId.equals(ActionFactory.CUT.getId())) {
			if(singleSelection()) {
				// delete here and let the editor transfer
				// the selection to the clipboard
				handleDelete();				
			}
			return true;
		}
		if (actionId.equals(ActionFactory.PASTE.getId())) {
			if(singleSelection()) {
				doPaste();
			}
			return true;
		}
		if(actionId.equals(ActionFactory.SELECT_ALL.getId())) {
			handleSelectAll();
			return true;
		}
		

					manager.add(new Separator());
				}
			}
			manager.add(new Separator());
			if (object instanceof IPluginExtension) {
				PluginSearchActionGroup actionGroup = new PluginSearchActionGroup();
				actionGroup.setContext(new ActionContext(selection));
				actionGroup.fillContextMenu(manager);
				manager.add(new Separator());
			}
		} else if (ssel.size() > 1) {
			// multiple
			Action delAction = new Action() {

			manager.add(new Separator());
			delAction.setEnabled(isEditable());
		}
//		if (ssel.size() == 1) {
//			manager.add(new Separator());
//			Object object = ssel.getFirstElement();
//			
//			//manager.add(new PropertiesAction(getFormPage().getEditor()));
//		}
				actionGroup.fillContextMenu(manager);
				manager.add(new Separator());
			}
			//manager.add(new PropertiesAction(getFormPage().getEditor()));
		}
		manager.add(new Separator());
		manager.add(new Separator());
		if(ssel.size() < 2) { //to disable actions when multiselect
			getPage().getPDEEditor().getContributor().addClipboardActions(manager);
		}
		getPage().getPDEEditor().getContributor().contextMenuAboutToShow(
				manager, false);


			});
		}
	}
	
	private void handleSelectAll() {
		fExtensionTree.getTree().selectAll();
		fExtensionTree.setSelection(fExtensionTree.getSelection());
	}
	
	private ArrayList getEditorWizards(IStructuredSelection selection) {
		if (selection.size()!=1) return null;
		Object obj = selection.getFirstElement();

	 * @see org.eclipse.pde.internal.ui.editor.StructuredViewerSection#canPaste(java.lang.Object, java.lang.Object[])
	 */
	protected boolean canPaste(Object targetObject, Object[] sourceObjects) {
		// Note: Multi-select in is enabled and this function can support 
		// multiple source object but it needs to be investigated
		// Rule:  Element source objects are always pasted as children of the
		// target object (if allowable)
		// Rule:  Extension source objects are always pasted and are independent

			downEnabled = false;
		}
		else {
			if(item instanceof IStructuredSelection) {
				if(((IStructuredSelection)item).size() == 1) {
					Object selected = ((IStructuredSelection)item).getFirstElement();
					if (selected instanceof IPluginElement) {
						IPluginElement element = (IPluginElement) selected;
						IPluginParent parent = (IPluginParent) element.getParent();
						// check up
						int index = parent.getIndexOf(element);
						if (index > 0)
							upEnabled = true;
						if (index < parent.getChildCount() - 1)
							downEnabled = true;
					} else if (selected instanceof IPluginExtension) {
						IPluginExtension extension = (IPluginExtension) selected;
						IExtensions extensions = (IExtensions) extension.getParent();
						int index = extensions.getIndexOf(extension);
						int size = extensions.getExtensions().length;
						if (index > 0)
							upEnabled = true;
						if (index < size - 1)
							downEnabled = true;
					}
				}
			}
		}
		getTreePart().setButtonEnabled(BUTTON_ADD, addEnabled);

		if (fSortAction.equals(event.getSource()) && IAction.RESULT.equals(event.getProperty())) {
			StructuredViewer viewer = getStructuredViewerPart().getViewer();
			IStructuredSelection ssel = (IStructuredSelection)viewer.getSelection();
			updateButtons(ssel);
		}
	}


		return fSortAction.isChecked();
	}
	
	private boolean singleSelection() {
		// selection from tree is always structured
		IStructuredSelection selection = (IStructuredSelection) fExtensionTree.getSelection();
		return selection.size() == 1;
	}
	
}

Return to bug 173060

Lines 245-251 Link Here

(-)src/org/eclipse/pde/internal/ui/editor/plugin/ExtensionsSection.java (-41 / +70 lines)
245	initializeImages();	245	initializeImages();
246	Composite container = createClientContainer(section, 2, toolkit);	246	Composite container = createClientContainer(section, 2, toolkit);
247	TreePart treePart = getTreePart();	247	TreePart treePart = getTreePart();
248	createViewerPartControl(container, SWT.SINGLE, 2, toolkit);	248	createViewerPartControl(container, SWT.MULTI, 2, toolkit);
249	fExtensionTree = treePart.getTreeViewer();	249	fExtensionTree = treePart.getTreeViewer();
250	fExtensionTree.setContentProvider(new ExtensionContentProvider());	250	fExtensionTree.setContentProvider(new ExtensionContentProvider());
251	fExtensionTree.setLabelProvider(new ExtensionLabelProvider());	251	fExtensionTree.setLabelProvider(new ExtensionLabelProvider());
Lines 262-268 Link Here
262	public void modifyText(ModifyEvent e) {	262	public void modifyText(ModifyEvent e) {
263	StructuredViewer viewer = getStructuredViewerPart().getViewer();	263	StructuredViewer viewer = getStructuredViewerPart().getViewer();
264	IStructuredSelection ssel = (IStructuredSelection)viewer.getSelection();	264	IStructuredSelection ssel = (IStructuredSelection)viewer.getSelection();
265	updateButtons(ssel.size() != 1 ? null : ssel.getFirstElement());	265	updateButtons(ssel.size() != 1 ? null : ssel);
266	}	266	}
267	});	267	});
268	}	268	}
Lines 301-307 Link Here
301		301
302	protected void selectionChanged(IStructuredSelection selection) {	302	protected void selectionChanged(IStructuredSelection selection) {
303	getPage().getPDEEditor().setSelection(selection);	303	getPage().getPDEEditor().setSelection(selection);
304	updateButtons(selection.getFirstElement());	304	updateButtons(selection);
305	getTreePart().getButton(BUTTON_EDIT).setVisible(isSelectionEditable(selection));	305	getTreePart().getButton(BUTTON_EDIT).setVisible(isSelectionEditable(selection));
306	}	306	}
307	protected void buttonSelected(int index) {	307	protected void buttonSelected(int index) {
Lines 352-364 Link Here
352	return true;	352	return true;
353	}	353	}
354	if (actionId.equals(ActionFactory.CUT.getId())) {	354	if (actionId.equals(ActionFactory.CUT.getId())) {
355	// delete here and let the editor transfer	355	if(singleSelection()) {
356	// the selection to the clipboard	356	// delete here and let the editor transfer
357	handleDelete();	357	// the selection to the clipboard
358	return false;	358	handleDelete();
		359	}
		360	return true;
359	}	361	}
360	if (actionId.equals(ActionFactory.PASTE.getId())) {	362	if (actionId.equals(ActionFactory.PASTE.getId())) {
361	doPaste();	363	if(singleSelection()) {
		364	doPaste();
		365	}
		366	return true;
		367	}
		368	if(actionId.equals(ActionFactory.SELECT_ALL.getId())) {
		369	handleSelectAll();
362	return true;	370	return true;
363	}	371	}
364		372
Lines 385-390 Link Here
385	manager.add(new Separator());	393	manager.add(new Separator());
386	}	394	}
387	}	395	}
		396	manager.add(new Separator());
		397	if (object instanceof IPluginExtension) {
		398	PluginSearchActionGroup actionGroup = new PluginSearchActionGroup();
		399	actionGroup.setContext(new ActionContext(selection));
		400	actionGroup.fillContextMenu(manager);
		401	manager.add(new Separator());
		402	}
388	} else if (ssel.size() > 1) {	403	} else if (ssel.size() > 1) {
389	// multiple	404	// multiple
390	Action delAction = new Action() {	405	Action delAction = new Action() {
Lines 397-416 Link Here
397	manager.add(new Separator());	412	manager.add(new Separator());
398	delAction.setEnabled(isEditable());	413	delAction.setEnabled(isEditable());
399	}	414	}
400	if (ssel.size() == 1) {	415	// if (ssel.size() == 1) {
401	manager.add(new Separator());	416	// manager.add(new Separator());
402	Object object = ssel.getFirstElement();	417	// Object object = ssel.getFirstElement();
403	if (object instanceof IPluginExtension) {	418	//
404	PluginSearchActionGroup actionGroup = new PluginSearchActionGroup();	419	// //manager.add(new PropertiesAction(getFormPage().getEditor()));
405	actionGroup.setContext(new ActionContext(selection));	420	// }
406	actionGroup.fillContextMenu(manager);
407	manager.add(new Separator());
408	}
409	//manager.add(new PropertiesAction(getFormPage().getEditor()));
410	}
411	manager.add(new Separator());	421	manager.add(new Separator());
412	manager.add(new Separator());	422	manager.add(new Separator());
413	getPage().getPDEEditor().getContributor().addClipboardActions(manager);	423	if(ssel.size() < 2) { //to disable actions when multiselect
		424	getPage().getPDEEditor().getContributor().addClipboardActions(manager);
		425	}
414	getPage().getPDEEditor().getContributor().contextMenuAboutToShow(	426	getPage().getPDEEditor().getContributor().contextMenuAboutToShow(
415	manager, false);	427	manager, false);
416		428
Lines 592-597 Link Here
592	});	604	});
593	}	605	}
594	}	606	}
		607
		608	private void handleSelectAll() {
		609	fExtensionTree.getTree().selectAll();
		610	fExtensionTree.setSelection(fExtensionTree.getSelection());
		611	}
		612
595	private ArrayList getEditorWizards(IStructuredSelection selection) {	613	private ArrayList getEditorWizards(IStructuredSelection selection) {
596	if (selection.size()!=1) return null;	614	if (selection.size()!=1) return null;
597	Object obj = selection.getFirstElement();	615	Object obj = selection.getFirstElement();
Lines 879-886 Link Here
879	* @see org.eclipse.pde.internal.ui.editor.StructuredViewerSection#canPaste(java.lang.Object, java.lang.Object[])	897	* @see org.eclipse.pde.internal.ui.editor.StructuredViewerSection#canPaste(java.lang.Object, java.lang.Object[])
880	*/	898	*/
881	protected boolean canPaste(Object targetObject, Object[] sourceObjects) {	899	protected boolean canPaste(Object targetObject, Object[] sourceObjects) {
882	// Note: Multi-select in tree viewer is disabled; but, this function	900	// Note: Multi-select in is enabled and this function can support
883	// can support multiple source objects	901	// multiple source object but it needs to be investigated
884	// Rule: Element source objects are always pasted as children of the	902	// Rule: Element source objects are always pasted as children of the
885	// target object (if allowable)	903	// target object (if allowable)
886	// Rule: Extension source objects are always pasted and are independent	904	// Rule: Extension source objects are always pasted and are independent
Lines 1137-1160 Link Here
1137	downEnabled = false;	1155	downEnabled = false;
1138	}	1156	}
1139	else {	1157	else {
1140	if (item instanceof IPluginElement) {	1158	if(item instanceof IStructuredSelection) {
1141	IPluginElement element = (IPluginElement) item;	1159	if(((IStructuredSelection)item).size() == 1) {
1142	IPluginParent parent = (IPluginParent) element.getParent();	1160	Object selected = ((IStructuredSelection)item).getFirstElement();
1143	// check up	1161	if (selected instanceof IPluginElement) {
1144	int index = parent.getIndexOf(element);	1162	IPluginElement element = (IPluginElement) selected;
1145	if (index > 0)	1163	IPluginParent parent = (IPluginParent) element.getParent();
1146	upEnabled = true;	1164	// check up
1147	if (index < parent.getChildCount() - 1)	1165	int index = parent.getIndexOf(element);
1148	downEnabled = true;	1166	if (index > 0)
1149	} else if (item instanceof IPluginExtension) {	1167	upEnabled = true;
1150	IPluginExtension extension = (IPluginExtension) item;	1168	if (index < parent.getChildCount() - 1)
1151	IExtensions extensions = (IExtensions) extension.getParent();	1169	downEnabled = true;
1152	int index = extensions.getIndexOf(extension);	1170	} else if (selected instanceof IPluginExtension) {
1153	int size = extensions.getExtensions().length;	1171	IPluginExtension extension = (IPluginExtension) selected;
1154	if (index > 0)	1172	IExtensions extensions = (IExtensions) extension.getParent();
1155	upEnabled = true;	1173	int index = extensions.getIndexOf(extension);
1156	if (index < size - 1)	1174	int size = extensions.getExtensions().length;
1157	downEnabled = true;	1175	if (index > 0)
		1176	upEnabled = true;
		1177	if (index < size - 1)
		1178	downEnabled = true;
		1179	}
		1180	}
1158	}	1181	}
1159	}	1182	}
1160	getTreePart().setButtonEnabled(BUTTON_ADD, addEnabled);	1183	getTreePart().setButtonEnabled(BUTTON_ADD, addEnabled);
Lines 1176-1182 Link Here
1176	if (fSortAction.equals(event.getSource()) && IAction.RESULT.equals(event.getProperty())) {	1199	if (fSortAction.equals(event.getSource()) && IAction.RESULT.equals(event.getProperty())) {
1177	StructuredViewer viewer = getStructuredViewerPart().getViewer();	1200	StructuredViewer viewer = getStructuredViewerPart().getViewer();
1178	IStructuredSelection ssel = (IStructuredSelection)viewer.getSelection();	1201	IStructuredSelection ssel = (IStructuredSelection)viewer.getSelection();
1179	updateButtons(ssel.size() != 1 ? null : ssel.getFirstElement());	1202	updateButtons(ssel);
1180	}	1203	}
1181	}	1204	}
1182		1205
Lines 1759-1762 Link Here
1759	return fSortAction.isChecked();	1782	return fSortAction.isChecked();
1760	}	1783	}
1761		1784
		1785	private boolean singleSelection() {
		1786	// selection from tree is always structured
		1787	IStructuredSelection selection = (IStructuredSelection) fExtensionTree.getSelection();
		1788	return selection.size() == 1;
		1789	}
		1790
1762	}	1791	}