added support for readonly flag on staging areas, used for staging ar…

…eas that are only for pre-staged files, i.e. not a workbench project staging destination.

added some fault tolerance for broken remote staging configurations, such that preference pages still load.

staging/initialStagingAreasConfig.json

@@ -1,7 +1,7 @@
 {
 	"stagingAreas":{
 	    "data/":{
-	        "name":"BagIt Data Folder"
+	        "name":"BagIt Data Folder (local only)"
 	    }
 	},
     "customMappings" :{},

staging/src/main/java/staging/plugin/views/StagingAreasView.java

@@ -65,6 +65,7 @@ public class StagingAreasView extends ViewPart {
 	private static final int NAME_COL = 0;
 	private static final int STATUS_COL = 1;
 	private static final int BASE_URI_COL = 2;
+	private static final int WRITABLE_COL = 3;
 
 	private Action actionReloadConfiguration;
 	private Action actionConnect;
@@ -107,6 +108,8 @@ public String getColumnText(Object obj, int index) {
 				return stage.getURI().toString();
 			case STATUS_COL:
 				return stage.isConnected() ? "connected" : "";
+			case WRITABLE_COL:
+				return stage.isReadOnly() ? "no" : "yes";
 			}
 			return "";
 		}
@@ -164,8 +167,8 @@ public void createPartControl(Composite parent) {
 	}
 
 	private void createColumns(Composite parent, ViewLabelProvider labelProvider) {
-		String[] titles = { "Stage Name", "Base URI", "Status" };
-		int[] bounds = { 250, 300, 200 };
+		String[] titles = { "Stage Name", "Base URI", "Status", "Writable" };
+		int[] bounds = { 250, 300, 200, 200 };
 
 		TableViewerColumn col0 = createTableViewerColumn(titles[0], bounds[0], 0);
 		col0.setLabelProvider(new ColumnLabelProvider() {
@@ -198,6 +201,13 @@ public String getText(Object element) {
 				return ((StagingArea)element).getStatus();
 			}
 		});
+		TableViewerColumn col3 = createTableViewerColumn(titles[3], bounds[3], 3);
+		col3.setLabelProvider(new ColumnLabelProvider() {
+			@Override
+			public String getText(Object element) {
+				return ((StagingArea)element).isReadOnly() ? "no" : "yes";
+			}
+		});
 	}
 
 	public void refreshView() {

workbench_plugin/src/main/java/unc/lib/cdr/workbench/project/NewProjectStagingPage.java

@@ -92,17 +92,18 @@ public void createControl(Composite parent) {
 
 		Stages stages = StagingPlugin.getDefault().getStages();
 		for (SharedStagingArea area : stages.getAllAreas().values()) {
-			URL repo = area.getConfigURL();
-			TableItem add = new TableItem(stageTable, SWT.NULL);
-			add.setText(0, area.getName());
-			add.setText(1, repo.getHost());
-			add.setText(2, area.isConnected() ? "yes" : "no");
-			add.setData(area);
+			if (!area.isReadOnly()) {
+				URL repo = area.getConfigURL();
+				TableItem add = new TableItem(stageTable, SWT.NULL);
+				add.setText(0, area.getName());
+				add.setText(1, repo.getHost());
+				add.setText(2, area.isConnected() ? "yes" : "no");
+				add.setData(area);
+			}
 		}
 		cUri.pack();
 		cName.pack();
 		cConn.pack();
-
 
 		stageTable.addSelectionListener(new SelectionListener() {
 			@Override
@@ -150,22 +151,26 @@ private void stageSelectionChanged() {
 			this.stagingArea = (SharedStagingArea) stageTable.getSelection()[0]
 					.getData();
 			if (!this.stagingArea.isConnected()) {
-				StagingPlugin.getDefault().getStages().connect(this.stagingArea.getURI());
+				StagingPlugin.getDefault().getStages()
+						.connect(this.stagingArea.getURI());
 			}
 			URI projectManifestBase = null;
-			if(!this.stagingArea.getURI().isAbsolute()) {
+			if (!this.stagingArea.getURI().isAbsolute()) {
 				projectManifestBase = this.stagingArea.makeURI("");
 			} else {
-				projectManifestBase = this.stagingArea.makeURI(mainPage.getProjectName());
+				projectManifestBase = this.stagingArea.makeURI(mainPage
+						.getProjectName());
 			}
 			manifestReferencesText.setText(projectManifestBase.toString());
 			if (this.stagingArea.isConnected()) {
 				try {
-					URI projectStagedBase = this.stagingArea.getStorageURI(projectManifestBase);
+					URI projectStagedBase = this.stagingArea
+							.getStorageURI(projectManifestBase);
 					stageText.setText(projectStagedBase.toString());
 					this.setPageComplete(this.stagingArea != null);
 				} catch (StagingException e) {
-					stageText.setText("Cannot connect to this staging area: "+e.getMessage());
+					stageText.setText("Cannot connect to this staging area: "
+							+ e.getMessage());
 				}
 			} else {
 				stageText.setText("Cannot connect to this staging area");

workbench_plugin/src/main/java/unc/lib/cdr/workbench/project/StagingAreaContributionItem.java

@@ -55,7 +55,8 @@ public void fill(Menu menu, int index) {
 		submenuitem.setMenu (subMenu);
 
 		for(Entry<URI, SharedStagingArea> area : StagingPlugin.getDefault().getStages().getAllAreas().entrySet()) {
-			addStageMenuItem(area.getValue(), subMenu, mpn);
+			if(!area.getValue().isReadOnly())
+				addStageMenuItem(area.getValue(), subMenu, mpn);
 		}
 	}