Java Code Examples for org.eclipse.ui.XMLMemento#createReadRoot()

/**
 * Read all profiles from the given store to this profile manager
 * @param ips
 */
public void readFromStore(IPreferenceStore ips) {
    int allCount = ips.getInt(idInStore + ID_PROFILES_COUNT);
    for (int cnt=0; cnt < allCount; ++cnt) {
        try {
            String xml = ips.getString(idInStore + ID_PROFILE + cnt);
            StringReader reader = new StringReader(xml);
            XMLMemento memento = XMLMemento.createReadRoot(reader);
            IProfile ip = profileFactory.createFromMemento(memento);
            if (ip != null) {
                String name = ip.getName();
                IProfile ipOld = getProfile(name);
                if (ipOld == null) {
                    profiles.add(ip);
                } else {
                    ipOld.copyFrom(ip);
                }
            }
        } catch (Exception e) {
            LogHelper.logError(e);
        }
    }
    setActiveProfileName(ips.getString(idInStore + ID_ACTIVE_PROFILE_NAME));
}
 

public static IProfile readProfileFromStore(String profName, IPreferenceStore ips, String id, IProfile profileFactory) {
    int allCount = ips.getInt(id + ID_PROFILES_COUNT);
    for (int cnt=0; cnt < allCount; ++cnt) {
        try {
            String xml = ips.getString(id + ID_PROFILE + cnt);
            StringReader reader = new StringReader(xml);
            XMLMemento memento = XMLMemento.createReadRoot(reader);
            IProfile ip = profileFactory.createFromMemento(memento);
            if (ip != null && profName.equals(ip.getName())) {
                return ip;
            }
        } catch (Exception e) {
            LogHelper.logError(e);
        }
    }
    return null;
}
 

@Override
public void init(IViewSite site, IMemento memento) throws PartInitException {
    viewMemento = memento;
    if (memento == null) {
        IDialogSettings dialogSettings = FindbugsPlugin.getDefault().getDialogSettings();
        String persistedMemento = dialogSettings.get(TAG_MEMENTO);
        if (persistedMemento == null) {
            // See bug 2504068. First time user opens a view, no settings
            // are defined
            // but we still need to enforce initialisation of content
            // provider
            // which can only happen if memento is not null
            memento = XMLMemento.createWriteRoot("bugExplorer");
        } else {
            try {
                memento = XMLMemento.createReadRoot(new StringReader(persistedMemento));
            } catch (WorkbenchException e) {
                // don't do anything. Simply don't restore the settings
            }
        }
    }
    super.init(site, memento);
}
 

@Override
public void init(IViewSite site, IMemento memento) throws PartInitException {
	super.init(site, memento);
	if (memento == null) {
		String persistedMemento= fDialogSettings.get(TAG_MEMENTO);
		if (persistedMemento != null) {
			try {
				memento= XMLMemento.createReadRoot(new StringReader(persistedMemento));
			} catch (WorkbenchException e) {
				// don't do anything. Simply don't restore the settings
			}
		}
	}
	fMemento= memento;
	if (memento != null) {
		restoreLayoutState(memento);
		restoreLinkingEnabled(memento);
		restoreRootMode(memento);
	}
	if (getRootMode() == WORKING_SETS_AS_ROOTS) {
		createWorkingSetModel();
	}
}
 

@Override
protected void restoreDialog(IDialogSettings settings) {
    super.restoreDialog(settings);

    String setting = settings.get(WORKINGS_SET_SETTINGS);
    if (setting != null) {
        try {
            IMemento memento = XMLMemento.createReadRoot(new StringReader(setting));
            workingSetFilterActionGroup.restoreState(memento);
        } catch (WorkbenchException e) {
            StatusManager.getManager().handle(
                    new Status(IStatus.ERROR, AnalysisPlugin.getPluginID(), IStatus.ERROR, "", e)); //$NON-NLS-1$
            // don't do anything. Simply don't restore the settings
        }
    }

    addListFilter(workingSetFilter);

    applyFilter();
}
 

/**
 * Retrieves the root memento from the workspace preferences if there were
 * existing palette customizations.
 * 
 * @return the root memento if there were existing customizations; null
 *         otherwise
 */
private XMLMemento getExistingCustomizations() {
	if (preferences != null) {
		String sValue = preferences.getString(PALETTE_CUSTOMIZATIONS_ID);
		if (sValue != null && sValue.length() != 0) { //$NON-NLS-1$
			try {
				XMLMemento rootMemento = XMLMemento.createReadRoot(new StringReader(sValue));
				return rootMemento;
			} catch (WorkbenchException e) {
				Trace.catching(GefPlugin.getInstance(), GefDebugOptions.EXCEPTIONS_CATCHING, getClass(),
						"Problem creating the XML memento when saving the palette customizations.", //$NON-NLS-1$
						e);
				Log.warning(GefPlugin.getInstance(), GefStatusCodes.IGNORED_EXCEPTION_WARNING,
						"Problem creating the XML memento when saving the palette customizations.", //$NON-NLS-1$
						e);
			}
		}
	}
	return null;
}
 

public InstalledUpdatesRegistry loadInstalledUpdatesRegistry() throws IOException, WorkbenchException {
	if (installedUpdatesRegistry == null) {
		File installedUpdatesRegistryFile = getInstalledUpdatesRegistryFile();
		if (installedUpdatesRegistryFile.exists()) {
			Reader reader = new FileReader(installedUpdatesRegistryFile);
			XMLMemento memento = XMLMemento.createReadRoot(reader);
			installedUpdatesRegistry = loadInstalledUpdatesRegistry(memento);
		}
		else {
			installedUpdatesRegistry = new InstalledUpdatesRegistry(new HashMap<String, InstalledUpdate>());
		}
	}
	return installedUpdatesRegistry;
}
 

/**
 * Restores dialog using persisted settings. The default implementation
 * restores the status of the details line and the selection history.
 *
 * @param settings
 *            settings used to restore dialog
 */
protected void restoreDialog(IDialogSettings settings) {
	boolean toggleStatusLine = true;

	if (settings.get(SHOW_STATUS_LINE) != null) {
		toggleStatusLine = settings.getBoolean(SHOW_STATUS_LINE);
	}

	toggleStatusLineAction.setChecked(toggleStatusLine);

	details.setVisible(toggleStatusLine);

	String setting = settings.get(HISTORY_SETTINGS);
	if (setting != null) {
		try {
			IMemento memento = XMLMemento.createReadRoot(new StringReader(
					setting));
			this.contentProvider.loadHistory(memento);
		} catch (WorkbenchException e) {
			// Simply don't restore the settings
			StatusManager
					.getManager()
					.handle(
							new Status(
									IStatus.ERROR,
									PlatformUI.PLUGIN_ID,
									IStatus.ERROR,
									WorkbenchMessages.FilteredItemsSelectionDialog_restoreError,
									e));
		}
	}
}
 

protected IMemento getMemento() {
	File file = UIEplPlugin.getDefault().getStateLocation().append(URLS).addFileExtension(XML).toFile();
	if (file.exists()) {
		try {
			FileReader reader = new FileReader(file);
			XMLMemento memento = XMLMemento.createReadRoot(reader);
			return memento;
		} catch (Exception e) {
			IdeLog.logError(UIEplPlugin.getDefault(), e);
		}
	}
	return null;
}
 

@Override
protected void restoreDialog(IDialogSettings settings) {
	super.restoreDialog(settings);

	if (! BUG_184693) {
		boolean showContainer= settings.getBoolean(SHOW_CONTAINER_FOR_DUPLICATES);
		fShowContainerForDuplicatesAction.setChecked(showContainer);
		fTypeInfoLabelProvider.setContainerInfo(showContainer);
	} else {
		fTypeInfoLabelProvider.setContainerInfo(true);
	}

	if (fAllowScopeSwitching) {
		String setting= settings.get(WORKINGS_SET_SETTINGS);
		if (setting != null) {
			try {
				IMemento memento= XMLMemento.createReadRoot(new StringReader(setting));
				fFilterActionGroup.restoreState(memento);
			} catch (WorkbenchException e) {
				// don't do anything. Simply don't restore the settings
				JavaPlugin.log(e);
			}
		}
		IWorkingSet ws= fFilterActionGroup.getWorkingSet();
		if (ws == null || (ws.isAggregateWorkingSet() && ws.isEmpty())) {
			setSearchScope(SearchEngine.createWorkspaceScope());
			setSubtitle(null);
		} else {
			setSearchScope(JavaSearchScopeFactory.getInstance().createJavaSearchScope(ws, true));
			setSubtitle(ws.getLabel());
		}
	}

	// TypeNameMatch[] types = OpenTypeHistory.getInstance().getTypeInfos();
	//
	// for (int i = 0; i < types.length; i++) {
	// TypeNameMatch type = types[i];
	// accessedHistoryItem(type);
	// }
}
 

private static IndexedJsniJavaRef loadRef(String xmlFragment)
    throws WorkbenchException {
  StringReader reader = new StringReader(xmlFragment);
  XMLMemento memento = XMLMemento.createReadRoot(reader);
  return IndexedJsniJavaRef.load(memento);
}
 

private static JsniJavaRefParamType loadRef(String xmlFragment)
    throws WorkbenchException {
  StringReader reader = new StringReader(xmlFragment);
  XMLMemento memento = XMLMemento.createReadRoot(reader);
  return JsniJavaRefParamType.load(memento);
}
 

private void fillViewMenu(IMenuManager viewMenu) {
	if (!fMultipleSelection) {
		ToggleStatusLineAction showStatusLineAction= new ToggleStatusLineAction();
		showStatusLineAction.setChecked(fSettings.getBoolean(SHOW_STATUS_LINE));
		viewMenu.add(showStatusLineAction);
	}
	FullyQualifyDuplicatesAction fullyQualifyDuplicatesAction= new FullyQualifyDuplicatesAction();
	fullyQualifyDuplicatesAction.setChecked(fSettings.getBoolean(FULLY_QUALIFY_DUPLICATES));
	viewMenu.add(fullyQualifyDuplicatesAction);
	if (fScope == null) {
		fFilterActionGroup= new WorkingSetFilterActionGroup(getShell(),
			JavaPlugin.getActivePage(),
			new IPropertyChangeListener() {
				public void propertyChange(PropertyChangeEvent event) {
					IWorkingSet ws= (IWorkingSet)event.getNewValue();
					if (ws == null || (ws.isAggregateWorkingSet() && ws.isEmpty())) {
						fScope= SearchEngine.createWorkspaceScope();
						fTitleLabel.setText(null);
					} else {
						fScope= JavaSearchScopeFactory.getInstance().createJavaSearchScope(ws, true);
						fTitleLabel.setText(ws.getLabel());
					}
					fViewer.setSearchScope(fScope, true);
				}
			});
		String setting= fSettings.get(WORKINGS_SET_SETTINGS);
		if (setting != null) {
			try {
				IMemento memento= XMLMemento.createReadRoot(new StringReader(setting));
				fFilterActionGroup.restoreState(memento);
			} catch (WorkbenchException e) {
			}
		}
		IWorkingSet ws= fFilterActionGroup.getWorkingSet();
		if (ws == null || (ws.isAggregateWorkingSet() && ws.isEmpty())) {
			fScope= SearchEngine.createWorkspaceScope();
			fTitleLabel.setText(null);
		} else {
			fScope= JavaSearchScopeFactory.getInstance().createJavaSearchScope(ws, true);
			fTitleLabel.setText(ws.getLabel());
		}
		fFilterActionGroup.fillViewMenu(viewMenu);
	}
}