| /******************************************************************************* |
| * Copyright (c) 2009, 2011 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| *******************************************************************************/ |
| |
| package org.eclipse.jdt.internal.ui.callhierarchy; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Text; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.IStatus; |
| |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.dialogs.StatusDialog; |
| import org.eclipse.jface.layout.PixelConverter; |
| import org.eclipse.jface.operation.IRunnableContext; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.jface.viewers.ViewerComparator; |
| import org.eclipse.jface.window.Window; |
| |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.dialogs.SelectionDialog; |
| import org.eclipse.ui.preferences.IWorkbenchPreferenceContainer; |
| |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.JavaConventions; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.search.IJavaSearchScope; |
| import org.eclipse.jdt.core.search.SearchEngine; |
| |
| import org.eclipse.jdt.ui.IJavaElementSearchConstants; |
| import org.eclipse.jdt.ui.JavaUI; |
| import org.eclipse.jdt.ui.PreferenceConstants; |
| |
| import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.jdt.internal.ui.JavaPluginImages; |
| import org.eclipse.jdt.internal.ui.dialogs.StatusInfo; |
| import org.eclipse.jdt.internal.ui.dialogs.TextFieldNavigationHandler; |
| import org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock; |
| import org.eclipse.jdt.internal.ui.util.BusyIndicatorRunnableContext; |
| import org.eclipse.jdt.internal.ui.util.ExceptionHandler; |
| import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels; |
| import org.eclipse.jdt.internal.ui.viewsupport.JavaElementImageProvider; |
| import org.eclipse.jdt.internal.ui.wizards.IStatusChangeListener; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.IDialogFieldListener; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.IStringButtonAdapter; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringButtonDialogField; |
| |
| /** |
| * Call hierarchy expand with constructors configuration block. |
| * |
| * @since 3.6 |
| */ |
| public class ExpandWithConstructorsConfigurationBlock extends OptionsConfigurationBlock { |
| |
| /** |
| * Call hierarchy expand with constructors dialog for types and members. |
| */ |
| private static class CallHierarchyTypesOrMembersDialog extends StatusDialog { |
| |
| /** |
| * The change listener class for the dialog field and the string button dialog field. |
| * |
| */ |
| private class StringButtonAdapter implements IDialogFieldListener, IStringButtonAdapter { |
| /* |
| * @see IDialogFieldListener#dialogFieldChanged(DialogField) |
| */ |
| public void dialogFieldChanged(DialogField field) { |
| doValidation(); |
| } |
| |
| /* |
| * @see IStringButtonAdapter#changeControlPressed(DialogField) |
| */ |
| public void changeControlPressed(DialogField field) { |
| doBrowseTypes(); |
| } |
| } |
| |
| /** |
| * The name dialog field to hold the default expand with constructors list. |
| */ |
| private StringButtonDialogField fNameDialogField; |
| |
| /** |
| * The list of previously existing entries. |
| */ |
| private List<String> fExistingEntries; |
| |
| /** |
| * Tells whether it is an member or type. |
| */ |
| private final boolean fIsEditingMember; |
| |
| /** |
| * Creates a call hierarchy preference dialog for members or types. |
| * |
| * @param parent the parent shell |
| * @param existingEntries the existing list of types and members |
| * @param isEditingMember <code>true</code if its a member, <code>false</code> otherwise |
| */ |
| public CallHierarchyTypesOrMembersDialog(Shell parent, List<String> existingEntries, boolean isEditingMember) { |
| super(parent); |
| fIsEditingMember= isEditingMember; |
| fExistingEntries= existingEntries; |
| |
| String label, title; |
| if (isEditingMember) { |
| title= CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_member_title; |
| label= CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_member_labelText; |
| } else { |
| title= CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_type_title; |
| label= CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_type_labelText; |
| } |
| setTitle(title); |
| |
| StringButtonAdapter adapter= new StringButtonAdapter(); |
| |
| fNameDialogField= new StringButtonDialogField(adapter); |
| fNameDialogField.setLabelText(label); |
| fNameDialogField.setButtonLabel(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_browse_button); |
| fNameDialogField.setDialogFieldListener(adapter); |
| fNameDialogField.setText(""); //$NON-NLS-1$ |
| } |
| |
| /* |
| * @see org.eclipse.jface.dialogs.Dialog#isResizable() * |
| */ |
| @Override |
| protected boolean isResizable() { |
| return true; |
| } |
| |
| /** |
| * Sets the initial selection in the name dialog field. |
| * |
| * @param editedEntry the edited entry |
| */ |
| public void setInitialSelection(String editedEntry) { |
| Assert.isNotNull(editedEntry); |
| if (editedEntry.length() == 0) |
| fNameDialogField.setText(""); //$NON-NLS-1$ |
| else |
| fNameDialogField.setText(editedEntry); |
| } |
| |
| /** |
| * Returns the resulting text from the name dialog field. |
| * |
| * @return the resulting text from the name dialog field |
| */ |
| public String getResult() { |
| String val= fNameDialogField.getText(); |
| if (!fIsEditingMember) |
| val= val + WILDCARD; |
| return val; |
| } |
| |
| /* |
| * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite) |
| */ |
| @Override |
| protected Control createDialogArea(Composite parent) { |
| Composite composite= (Composite)super.createDialogArea(parent); |
| initializeDialogUnits(composite); |
| |
| GridLayout layout= (GridLayout)composite.getLayout(); |
| layout.numColumns= 2; |
| |
| fNameDialogField.doFillIntoGrid(composite, 3); |
| |
| fNameDialogField.getChangeControl(null).setVisible(!fIsEditingMember); |
| |
| LayoutUtil.setHorizontalSpan(fNameDialogField.getLabelControl(null), 2); |
| |
| int fieldWidthHint= convertWidthInCharsToPixels(60); |
| Text text= fNameDialogField.getTextControl(null); |
| LayoutUtil.setWidthHint(text, fieldWidthHint); |
| LayoutUtil.setHorizontalGrabbing(text); |
| LayoutUtil.setHorizontalSpan(text, fIsEditingMember ? 2 : 1); |
| TextFieldNavigationHandler.install(text); |
| |
| DialogField.createEmptySpace(composite, 1); |
| |
| fNameDialogField.postSetFocusOnDialogField(parent.getDisplay()); |
| |
| applyDialogFont(composite); |
| return composite; |
| } |
| |
| /** |
| * Creates the type hierarchy for type selection. |
| */ |
| private void doBrowseTypes() { |
| IRunnableContext context= new BusyIndicatorRunnableContext(); |
| IJavaSearchScope scope= SearchEngine.createWorkspaceScope(); |
| int style= IJavaElementSearchConstants.CONSIDER_ALL_TYPES; |
| try { |
| SelectionDialog dialog= JavaUI.createTypeDialog(getShell(), context, scope, style, false, fNameDialogField.getText()); |
| dialog.setTitle(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_ChooseTypeDialog_title); |
| dialog.setMessage(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_ChooseTypeDialog_description); |
| if (dialog.open() == Window.OK) { |
| IType res= (IType)dialog.getResult()[0]; |
| fNameDialogField.setText(res.getFullyQualifiedName('.')); |
| } |
| } catch (JavaModelException e) { |
| ExceptionHandler.handle(e, getShell(), CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_ChooseTypeDialog_title, |
| CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_ChooseTypeDialog_error_message); |
| } |
| } |
| |
| /** |
| * Validates the entered type or member and updates the status. |
| */ |
| private void doValidation() { |
| StatusInfo status= new StatusInfo(); |
| String newText= fNameDialogField.getText(); |
| if (newText.length() == 0) { |
| status.setError(""); //$NON-NLS-1$ |
| } else { |
| IStatus val= JavaConventions.validateJavaTypeName(newText, JavaCore.VERSION_1_3, JavaCore.VERSION_1_3); |
| if (val.matches(IStatus.ERROR)) { |
| if (fIsEditingMember) |
| status.setError(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_error_invalidMemberName); |
| else |
| status.setError(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_error_invalidTypeName); |
| } else { |
| if (doesExist(newText)) { |
| status.setError(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_error_entryExists); |
| } |
| } |
| } |
| updateStatus(status); |
| } |
| |
| /** |
| * Checks if the entry already exists. |
| * |
| * @param name the type or member name |
| * @return <code>true</code> if it already exists in the list of types and members, |
| * <code>false</code> otherwise |
| */ |
| private boolean doesExist(String name) { |
| for (int i= 0; i < fExistingEntries.size(); i++) { |
| String entry= fExistingEntries.get(i); |
| if (name.equals(entry)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| |
| /* |
| * @see org.eclipse.jface.window.Window#configureShell(Shell) |
| */ |
| @Override |
| protected void configureShell(Shell newShell) { |
| super.configureShell(newShell); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IJavaHelpContextIds.CALL_HIERARCHY_EXPAND_WITH_CONSTRUCTORS_DIALOG); |
| } |
| |
| } |
| |
| /* |
| * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#performOk() |
| */ |
| @Override |
| public boolean performOk() { |
| setValue(ANONYMOUS_EXPAND_WITH_CONSTRUCTORS, fIsAnonymous); |
| return super.performOk(); |
| } |
| |
| /** |
| * The list label provider class. |
| */ |
| private static class ListLabelProvider extends LabelProvider { |
| |
| public final Image MEMBER_ICON; |
| |
| private final Image CLASS_ICON; |
| |
| /** |
| * Create the member and class icons. |
| */ |
| public ListLabelProvider() { |
| MEMBER_ICON= JavaElementImageProvider.getDecoratedImage(JavaPluginImages.DESC_MISC_PUBLIC, 0, JavaElementImageProvider.SMALL_SIZE); |
| CLASS_ICON= JavaElementImageProvider.getDecoratedImage(JavaPluginImages.DESC_OBJS_CLASS, 0, JavaElementImageProvider.SMALL_SIZE); |
| } |
| |
| /* |
| * @see org.eclipse.jface.viewers.LabelProvider#getImage(java.lang.Object) |
| */ |
| @Override |
| public Image getImage(Object element) { |
| return ((String)element).endsWith(WILDCARD) ? CLASS_ICON : MEMBER_ICON; |
| } |
| |
| /* |
| * @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object) |
| */ |
| @Override |
| public String getText(Object element) { |
| return BasicElementLabels.getJavaElementName((String)element); |
| } |
| } |
| |
| |
| /** |
| * The change listener for <code>ListDialogField</code>. |
| */ |
| private class ListAdapter implements IListAdapter<String>, IDialogFieldListener { |
| |
| /** |
| * Checks if field can be edited. |
| * |
| * @param field the list dialog field |
| * @return <code>true</code> if it can be edited, <code>false</code> otherwise |
| */ |
| private boolean canEdit(ListDialogField<String> field) { |
| List<String> selected= field.getSelectedElements(); |
| return selected.size() == 1; |
| } |
| |
| /* |
| * @see org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter#customButtonPressed(org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField, int) |
| */ |
| public void customButtonPressed(ListDialogField<String> field, int index) { |
| doButtonPressed(index); |
| } |
| |
| /* |
| * @see org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter#selectionChanged(org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField) |
| */ |
| public void selectionChanged(ListDialogField<String> field) { |
| fList.enableButton(IDX_EDIT, canEdit(field)); |
| fList.enableButton(IDX_REMOVE, canRemove(field)); |
| } |
| |
| /** |
| * Checks if the field can be removed. |
| * |
| * @param field the list dialog field |
| * @return <code>true</code> if it can be removed, <code>false</code> otherwise |
| */ |
| private boolean canRemove(ListDialogField<String> field) { |
| List<String> selected= field.getSelectedElements(); |
| return selected.size() != 0; |
| } |
| |
| /* ) |
| * @see org.eclipse.jdt.internal.ui.wizards.dialogfields.IDialogFieldListener#dialogFieldChanged(org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField) |
| */ |
| public void dialogFieldChanged(DialogField field) { |
| doDialogFieldChanged(field); |
| } |
| |
| /* |
| * @see org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter#doubleClicked(org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField) |
| */ |
| public void doubleClicked(ListDialogField<String> field) { |
| if (canEdit(field)) { |
| doButtonPressed(IDX_EDIT); |
| } |
| } |
| } |
| |
| private static final String WILDCARD= ".*"; //$NON-NLS-1$ |
| |
| private static final int IDX_NEW_TYPE= 0; |
| private static final int IDX_NEW_MEMBER= 1; |
| private static final int IDX_EDIT= 2; |
| private static final int IDX_REMOVE= 3; |
| private static final int IDX_RESTORE_DEFAULTS= 4; |
| |
| private ListDialogField<String> fList; |
| |
| private Button fAnonymousButton; |
| |
| protected boolean fIsAnonymous; |
| |
| /** |
| * A key that holds the list of methods or types whose methods are by default expanded with constructors in the Call Hierarchy. |
| */ |
| private static Key DEFAULT_EXPAND_WITH_CONSTRUCTORS_MEMBERS= getJDTUIKey(PreferenceConstants.PREF_DEFAULT_EXPAND_WITH_CONSTRUCTORS_MEMBERS); |
| |
| /** |
| * A key that controls whether the methods from anonymous types are by default expanded with constructors in the Call Hierarchy. |
| */ |
| private static Key ANONYMOUS_EXPAND_WITH_CONSTRUCTORS= getJDTUIKey(PreferenceConstants.PREF_ANONYMOUS_EXPAND_WITH_CONSTRUCTORS); |
| |
| /** |
| * Returns all the key values. |
| * |
| * @return array of keys |
| */ |
| public static Key[] getAllKeys() { |
| return new Key[] { DEFAULT_EXPAND_WITH_CONSTRUCTORS_MEMBERS, ANONYMOUS_EXPAND_WITH_CONSTRUCTORS }; |
| } |
| |
| |
| /** |
| * Creates the call hierarchy preferences configuration block. |
| * |
| * @param context the status |
| * @param container the preference container |
| */ |
| public ExpandWithConstructorsConfigurationBlock(IStatusChangeListener context, IWorkbenchPreferenceContainer container) { |
| super(context, null, getAllKeys(), container); |
| } |
| |
| /* |
| * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#createContents(org.eclipse.swt.widgets.Composite) |
| */ |
| @Override |
| protected Control createContents(Composite parent) { |
| Composite control= new Composite(parent, SWT.NONE); |
| GridLayout layout= new GridLayout(); |
| layout.numColumns= 2; |
| layout.marginWidth= 10; |
| layout.marginHeight= 10; |
| control.setLayout(layout); |
| |
| createPreferenceList(control); |
| |
| fAnonymousButton= new Button(control, SWT.CHECK); |
| fAnonymousButton.setText(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_anonymousTypes_label); |
| fIsAnonymous= getBooleanValue(ANONYMOUS_EXPAND_WITH_CONSTRUCTORS); |
| fAnonymousButton.setSelection(fIsAnonymous); |
| fAnonymousButton.setLayoutData(new GridData(SWT.LEAD, SWT.TOP, false, false)); |
| fAnonymousButton.addSelectionListener(new SelectionAdapter() { |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| fIsAnonymous= fAnonymousButton.getSelection(); |
| } |
| |
| }); |
| |
| initialize(); |
| |
| Dialog.applyDialogFont(control); |
| |
| return control; |
| } |
| |
| /** |
| * Create a list dialog field. |
| * |
| * @param parent the composite |
| */ |
| private void createPreferenceList(Composite parent) { |
| String[] buttonLabels= new String[] { |
| CallHierarchyMessages.ExpandWithConstructorsConfigurationBlock_newType_button, |
| CallHierarchyMessages.ExpandWithConstructorsConfigurationBlock_newMember_button, |
| CallHierarchyMessages.ExpandWithConstructorsConfigurationBlock_edit_button, |
| CallHierarchyMessages.ExpandWithConstructorsConfigurationBlock_remove_button, |
| CallHierarchyMessages.ExpandWithConstructorsConfigurationBlock_restoreDefaults_button |
| }; |
| |
| ListAdapter adapter= new ListAdapter(); |
| |
| fList= new ListDialogField<String>(adapter, buttonLabels, new ListLabelProvider()); |
| fList.setDialogFieldListener(adapter); |
| fList.setLabelText(CallHierarchyMessages.ExpandWithConstructorsConfigurationBlock_description); |
| fList.setRemoveButtonIndex(IDX_REMOVE); |
| fList.enableButton(IDX_EDIT, false); |
| fList.setViewerComparator(new ViewerComparator()); |
| |
| PixelConverter pixelConverter= new PixelConverter(parent); |
| |
| fList.doFillIntoGrid(parent, 3); |
| LayoutUtil.setHorizontalSpan(fList.getLabelControl(null), 2); |
| LayoutUtil.setWidthHint(fList.getLabelControl(null), pixelConverter.convertWidthInCharsToPixels(60)); |
| LayoutUtil.setHorizontalGrabbing(fList.getListControl(null)); |
| |
| Control listControl= fList.getListControl(null); |
| GridData gd= (GridData)listControl.getLayoutData(); |
| gd.verticalAlignment= GridData.FILL; |
| gd.grabExcessVerticalSpace= true; |
| gd.heightHint= pixelConverter.convertHeightInCharsToPixels(10); |
| } |
| |
| /** |
| * Initialize the elements of the list dialog field. |
| */ |
| public void initialize() { |
| fList.setElements(Arrays.asList(getDefaultExpandWithConstructorsMembers())); |
| } |
| |
| /* |
| * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#performDefaults() |
| */ |
| @Override |
| public void performDefaults() { |
| String str= PreferenceConstants.getPreferenceStore().getDefaultString(PreferenceConstants.PREF_DEFAULT_EXPAND_WITH_CONSTRUCTORS_MEMBERS); |
| fList.setElements(Arrays.asList(deserializeMembers(str))); |
| fIsAnonymous= PreferenceConstants.getPreferenceStore().getDefaultBoolean(PreferenceConstants.PREF_ANONYMOUS_EXPAND_WITH_CONSTRUCTORS); |
| fAnonymousButton.setSelection(fIsAnonymous); |
| super.performDefaults(); |
| } |
| |
| /* |
| * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#getFullBuildDialogStrings(boolean) |
| */ |
| @Override |
| protected String[] getFullBuildDialogStrings(boolean workspaceSettings) { |
| return null; |
| } |
| |
| /* |
| * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#validateSettings(org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock.Key, java.lang.String, java.lang.String) |
| */ |
| @Override |
| protected void validateSettings(Key changedKey, String oldValue, String newValue) { |
| |
| } |
| |
| /** |
| * Perform the 'New' and 'Edit' button operations by opening the respective call hierarchy |
| * preferences dialog, and 'Restore Defaults' button by restoring to default values for the list dialog. |
| * |
| * @param index the index of the button |
| */ |
| private void doButtonPressed(int index) { |
| if (index == IDX_NEW_TYPE || index == IDX_NEW_MEMBER) { // add new |
| List<String> existing= fList.getElements(); |
| CallHierarchyTypesOrMembersDialog dialog= new CallHierarchyTypesOrMembersDialog(getShell(), existing, index == IDX_NEW_MEMBER); |
| if (dialog.open() == Window.OK) { |
| fList.addElement(dialog.getResult()); |
| } |
| } else if (index == IDX_EDIT) { // edit |
| List<String> selected= fList.getSelectedElements(); |
| if (selected.isEmpty()) |
| return; |
| |
| String editedEntry= selected.get(0); |
| |
| List<String> existing= fList.getElements(); |
| existing.remove(editedEntry); |
| boolean isType= editedEntry.endsWith(WILDCARD); |
| CallHierarchyTypesOrMembersDialog dialog= new CallHierarchyTypesOrMembersDialog(getShell(), existing, !isType); |
| if (isType) |
| dialog.setInitialSelection(editedEntry.substring(0, editedEntry.length() - 2)); |
| else |
| dialog.setInitialSelection(editedEntry); |
| |
| if (dialog.open() == Window.OK) { |
| fList.replaceElement(editedEntry, dialog.getResult()); |
| } |
| } else if (index == IDX_RESTORE_DEFAULTS){ |
| performDefaults(); |
| } |
| } |
| |
| /** |
| * Update the key on dialog field change. |
| * |
| * @param field the dialog field |
| */ |
| protected final void doDialogFieldChanged(DialogField field) { |
| // set values in working copy |
| if (field == fList) { |
| setValue(DEFAULT_EXPAND_WITH_CONSTRUCTORS_MEMBERS, serializeMembers(fList.getElements())); |
| } |
| } |
| |
| /** |
| * Returns the array of strings containing the types or methods for default expand with constructors. |
| * |
| * @return the array of strings containing the types or methods for default expand with constructors |
| */ |
| private String[] getDefaultExpandWithConstructorsMembers() { |
| String str= getValue(DEFAULT_EXPAND_WITH_CONSTRUCTORS_MEMBERS); |
| if (str != null && str.length() > 0) { |
| return deserializeMembers(str); |
| } |
| return new String[0]; |
| } |
| |
| /** |
| * Return the array of types and/or methods after splitting the stored preference string. |
| * |
| * @param str the input string |
| * @return the array of types and/or methods |
| */ |
| private static String[] deserializeMembers(String str) { |
| return str.split(";"); //$NON-NLS-1$ |
| } |
| |
| /** |
| * Creates a single output string from the list of strings using a delimiter. |
| * |
| * @param list the input list of types and/or methods |
| * @return the single output string from the list of strings using a delimiter |
| */ |
| public static String serializeMembers(List<String> list) { |
| int size= list.size(); |
| StringBuffer buf= new StringBuffer(); |
| for (int i= 0; i < size; i++) { |
| buf.append(list.get(i)); |
| if (i < size - 1) |
| buf.append(';'); |
| } |
| return buf.toString(); |
| } |
| |
| } |