import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Tree;
-
/**
- * A list with a button bar.
- * Typical buttons are 'Add', 'Remove', 'Up' and 'Down'.
- * List model is independend of widget creation.
- * DialogFields controls are: Label, List and Composite containing buttons.
+ * A list with a button bar. Typical buttons are 'Add', 'Remove', 'Up' and
+ * 'Down'. List model is independend of widget creation. DialogFields controls
+ * are: Label, List and Composite containing buttons.
*/
public class TreeListDialogField extends DialogField {
protected TreeViewer fTree;
+
protected ILabelProvider fLabelProvider;
+
protected TreeViewerAdapter fTreeViewerAdapter;
+
protected List fElements;
+
protected ViewerSorter fViewerSorter;
protected String[] fButtonLabels;
+
private Button[] fButtonControls;
private boolean[] fButtonsEnabled;
private int fRemoveButtonIndex;
+
private int fUpButtonIndex;
+
private int fDownButtonIndex;
private Label fLastSeparator;
private Tree fTreeControl;
+
private Composite fButtonsControl;
+
private ISelection fSelectionWhenEnabled;
private ITreeListAdapter fTreeAdapter;
private Object fParentElement;
+
private int fTreeExpandLevel;
/**
- * @param adapter Can be <code>null</code>.
+ * @param adapter
+ * Can be <code>null</code>.
*/
- public TreeListDialogField(ITreeListAdapter adapter, String[] buttonLabels, ILabelProvider lprovider) {
+ public TreeListDialogField(ITreeListAdapter adapter, String[] buttonLabels,
+ ILabelProvider lprovider) {
super();
- fTreeAdapter= adapter;
+ fTreeAdapter = adapter;
- fLabelProvider= lprovider;
- fTreeViewerAdapter= new TreeViewerAdapter();
- fParentElement= this;
+ fLabelProvider = lprovider;
+ fTreeViewerAdapter = new TreeViewerAdapter();
+ fParentElement = this;
- fElements= new ArrayList(10);
+ fElements = new ArrayList(10);
- fButtonLabels= buttonLabels;
+ fButtonLabels = buttonLabels;
if (fButtonLabels != null) {
- int nButtons= fButtonLabels.length;
- fButtonsEnabled= new boolean[nButtons];
- for (int i= 0; i < nButtons; i++) {
- fButtonsEnabled[i]= true;
+ int nButtons = fButtonLabels.length;
+ fButtonsEnabled = new boolean[nButtons];
+ for (int i = 0; i < nButtons; i++) {
+ fButtonsEnabled[i] = true;
}
}
- fTree= null;
- fTreeControl= null;
- fButtonsControl= null;
+ fTree = null;
+ fTreeControl = null;
+ fButtonsControl = null;
+
+ fRemoveButtonIndex = -1;
+ fUpButtonIndex = -1;
+ fDownButtonIndex = -1;
- fRemoveButtonIndex= -1;
- fUpButtonIndex= -1;
- fDownButtonIndex= -1;
-
- fTreeExpandLevel= 0;
+ fTreeExpandLevel = 0;
}
/**
- * Sets the index of the 'remove' button in the button label array passed in
- * the constructor. The behaviour of the button marked as the 'remove' button
- * will then behandled internally. (enable state, button invocation
- * behaviour)
- */
+ * Sets the index of the 'remove' button in the button label array passed in
+ * the constructor. The behaviour of the button marked as the 'remove'
+ * button will then behandled internally. (enable state, button invocation
+ * behaviour)
+ */
public void setRemoveButtonIndex(int removeButtonIndex) {
Assert.isTrue(removeButtonIndex < fButtonLabels.length);
- fRemoveButtonIndex= removeButtonIndex;
+ fRemoveButtonIndex = removeButtonIndex;
}
/**
- * Sets the index of the 'up' button in the button label array passed in the
- * constructor. The behaviour of the button marked as the 'up' button will
- * then behandled internally.
- * (enable state, button invocation behaviour)
- */
+ * Sets the index of the 'up' button in the button label array passed in the
+ * constructor. The behaviour of the button marked as the 'up' button will
+ * then behandled internally. (enable state, button invocation behaviour)
+ */
public void setUpButtonIndex(int upButtonIndex) {
Assert.isTrue(upButtonIndex < fButtonLabels.length);
- fUpButtonIndex= upButtonIndex;
+ fUpButtonIndex = upButtonIndex;
}
/**
- * Sets the index of the 'down' button in the button label array passed in
- * the constructor. The behaviour of the button marked as the 'down' button
- * will then be handled internally. (enable state, button invocation
- * behaviour)
- */
+ * Sets the index of the 'down' button in the button label array passed in
+ * the constructor. The behaviour of the button marked as the 'down' button
+ * will then be handled internally. (enable state, button invocation
+ * behaviour)
+ */
public void setDownButtonIndex(int downButtonIndex) {
Assert.isTrue(downButtonIndex < fButtonLabels.length);
- fDownButtonIndex= downButtonIndex;
+ fDownButtonIndex = downButtonIndex;
}
/**
- * Sets the viewerSorter.
- * @param viewerSorter The viewerSorter to set
- */
+ * Sets the viewerSorter.
+ *
+ * @param viewerSorter
+ * The viewerSorter to set
+ */
public void setViewerSorter(ViewerSorter viewerSorter) {
- fViewerSorter= viewerSorter;
+ fViewerSorter = viewerSorter;
}
-
+
/**
- * Sets the viewerSorter.
- * @param viewerSorter The viewerSorter to set
- */
+ * Sets the viewerSorter.
+ *
+ * @param viewerSorter
+ * The viewerSorter to set
+ */
public void setTreeExpansionLevel(int level) {
- fTreeExpandLevel= level;
+ fTreeExpandLevel = level;
if (fTree != null) {
fTree.expandToLevel(level);
}
- }
+ }
// ------ adapter communication
}
/**
- * Checks if the button pressed is handled internally
- * @return Returns true if button has been handled.
- */
+ * Checks if the button pressed is handled internally
+ *
+ * @return Returns true if button has been handled.
+ */
protected boolean managedButtonPressed(int index) {
if (index == fRemoveButtonIndex) {
remove();
// ------ layout helpers
/*
- * @see DialogField#doFillIntoGrid
- */
+ * @see DialogField#doFillIntoGrid
+ */
public Control[] doFillIntoGrid(Composite parent, int nColumns) {
- PixelConverter converter= new PixelConverter(parent);
+ PixelConverter converter = new PixelConverter(parent);
assertEnoughColumns(nColumns);
- Label label= getLabelControl(parent);
- GridData gd= gridDataForLabel(1);
- gd.verticalAlignment= GridData.BEGINNING;
+ Label label = getLabelControl(parent);
+ GridData gd = gridDataForLabel(1);
+ gd.verticalAlignment = GridData.BEGINNING;
label.setLayoutData(gd);
- Control list= getTreeControl(parent);
- gd= new GridData();
- gd.horizontalAlignment= GridData.FILL;
- gd.grabExcessHorizontalSpace= false;
- gd.verticalAlignment= GridData.FILL;
- gd.grabExcessVerticalSpace= true;
- gd.horizontalSpan= nColumns - 2;
- gd.widthHint= converter.convertWidthInCharsToPixels(50);
- gd.heightHint= converter.convertHeightInCharsToPixels(6);
+ Control list = getTreeControl(parent);
+ gd = new GridData();
+ gd.horizontalAlignment = GridData.FILL;
+ gd.grabExcessHorizontalSpace = false;
+ gd.verticalAlignment = GridData.FILL;
+ gd.grabExcessVerticalSpace = true;
+ gd.horizontalSpan = nColumns - 2;
+ gd.widthHint = converter.convertWidthInCharsToPixels(50);
+ gd.heightHint = converter.convertHeightInCharsToPixels(6);
list.setLayoutData(gd);
- Composite buttons= getButtonBox(parent);
- gd= new GridData();
- gd.horizontalAlignment= GridData.FILL;
- gd.grabExcessHorizontalSpace= false;
- gd.verticalAlignment= GridData.FILL;
- gd.grabExcessVerticalSpace= true;
- gd.horizontalSpan= 1;
+ Composite buttons = getButtonBox(parent);
+ gd = new GridData();
+ gd.horizontalAlignment = GridData.FILL;
+ gd.grabExcessHorizontalSpace = false;
+ gd.verticalAlignment = GridData.FILL;
+ gd.grabExcessVerticalSpace = true;
+ gd.horizontalSpan = 1;
buttons.setLayoutData(gd);
return new Control[] { label, list, buttons };
}
/*
- * @see DialogField#getNumberOfControls
- */
+ * @see DialogField#getNumberOfControls
+ */
public int getNumberOfControls() {
return 3;
}
/**
- * Sets the minimal width of the buttons. Must be called after widget creation.
- */
+ * Sets the minimal width of the buttons. Must be called after widget
+ * creation.
+ */
public void setButtonsMinWidth(int minWidth) {
if (fLastSeparator != null) {
- ((GridData) fLastSeparator.getLayoutData()).widthHint= minWidth;
+ ((GridData) fLastSeparator.getLayoutData()).widthHint = minWidth;
}
}
// ------ ui creation
/**
- * Returns the tree control. When called the first time, the control will be
- * created.
- * @param The parent composite when called the first time, or <code>null</code>
- * after.
- */
+ * Returns the tree control. When called the first time, the control will be
+ * created.
+ *
+ * @param The
+ * parent composite when called the first time, or
+ * <code>null</code> after.
+ */
public Control getTreeControl(Composite parent) {
if (fTreeControl == null) {
assertCompositeNotNull(parent);
- fTree= createTreeViewer(parent);
+ fTree = createTreeViewer(parent);
- fTreeControl= (Tree) fTree.getControl();
+ fTreeControl = (Tree) fTree.getControl();
fTreeControl.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent e) {
handleKeyPressed(e);
}
/**
- * Returns the internally used table viewer.
- */
+ * Returns the internally used table viewer.
+ */
public TreeViewer getTreeViewer() {
return fTree;
}
/*
- * Subclasses may override to specify a different style.
- */
+ * Subclasses may override to specify a different style.
+ */
protected int getTreeStyle() {
- int style= SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL;
+ int style = SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL;
return style;
}
protected TreeViewer createTreeViewer(Composite parent) {
- Tree tree= new Tree(parent, getTreeStyle());
+ Tree tree = new Tree(parent, getTreeStyle());
return new TreeViewer(tree);
}
- protected Button createButton(Composite parent, String label, SelectionListener listener) {
- Button button= new Button(parent, SWT.PUSH);
+ protected Button createButton(Composite parent, String label,
+ SelectionListener listener) {
+ Button button = new Button(parent, SWT.PUSH);
button.setText(label);
button.addSelectionListener(listener);
- GridData gd= new GridData();
- gd.horizontalAlignment= GridData.FILL;
- gd.grabExcessHorizontalSpace= true;
- gd.verticalAlignment= GridData.BEGINNING;
- gd.heightHint= SWTUtil.getButtonHeightHint(button);
- gd.widthHint= SWTUtil.getButtonWidthHint(button);
+ GridData gd = new GridData();
+ gd.horizontalAlignment = GridData.FILL;
+ gd.grabExcessHorizontalSpace = true;
+ gd.verticalAlignment = GridData.BEGINNING;
+ gd.heightHint = SWTUtil.getButtonHeightHint(button);
+ gd.widthHint = SWTUtil.getButtonWidthHint(button);
button.setLayoutData(gd);
return button;
}
private Label createSeparator(Composite parent) {
- Label separator= new Label(parent, SWT.NONE);
+ Label separator = new Label(parent, SWT.NONE);
separator.setVisible(false);
- GridData gd= new GridData();
- gd.horizontalAlignment= GridData.FILL;
- gd.verticalAlignment= GridData.BEGINNING;
- gd.heightHint= 4;
+ GridData gd = new GridData();
+ gd.horizontalAlignment = GridData.FILL;
+ gd.verticalAlignment = GridData.BEGINNING;
+ gd.heightHint = 4;
separator.setLayoutData(gd);
return separator;
}
/**
- * Returns the composite containing the buttons. When called the first time, the control
- * will be created.
- * @param The parent composite when called the first time, or <code>null</code>
- * after.
- */
+ * Returns the composite containing the buttons. When called the first time,
+ * the control will be created.
+ *
+ * @param The
+ * parent composite when called the first time, or
+ * <code>null</code> after.
+ */
public Composite getButtonBox(Composite parent) {
if (fButtonsControl == null) {
assertCompositeNotNull(parent);
- SelectionListener listener= new SelectionListener() {
+ SelectionListener listener = new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
doButtonSelected(e);
}
+
public void widgetSelected(SelectionEvent e) {
doButtonSelected(e);
}
};
- Composite contents= new Composite(parent, SWT.NULL);
- GridLayout layout= new GridLayout();
- layout.marginWidth= 0;
- layout.marginHeight= 0;
+ Composite contents = new Composite(parent, SWT.NULL);
+ GridLayout layout = new GridLayout();
+ layout.marginWidth = 0;
+ layout.marginHeight = 0;
contents.setLayout(layout);
if (fButtonLabels != null) {
- fButtonControls= new Button[fButtonLabels.length];
- for (int i= 0; i < fButtonLabels.length; i++) {
- String currLabel= fButtonLabels[i];
+ fButtonControls = new Button[fButtonLabels.length];
+ for (int i = 0; i < fButtonLabels.length; i++) {
+ String currLabel = fButtonLabels[i];
if (currLabel != null) {
- fButtonControls[i]= createButton(contents, currLabel, listener);
- fButtonControls[i].setEnabled(isEnabled() && fButtonsEnabled[i]);
+ fButtonControls[i] = createButton(contents, currLabel,
+ listener);
+ fButtonControls[i].setEnabled(isEnabled()
+ && fButtonsEnabled[i]);
} else {
- fButtonControls[i]= null;
+ fButtonControls[i] = null;
createSeparator(contents);
}
}
}
- fLastSeparator= createSeparator(contents);
+ fLastSeparator = createSeparator(contents);
updateButtonState();
- fButtonsControl= contents;
+ fButtonsControl = contents;
}
return fButtonsControl;
private void doButtonSelected(SelectionEvent e) {
if (fButtonControls != null) {
- for (int i= 0; i < fButtonControls.length; i++) {
+ for (int i = 0; i < fButtonControls.length; i++) {
if (e.widget == fButtonControls[i]) {
buttonPressed(i);
return;
}
/**
- * Handles key events in the table viewer. Specifically
- * when the delete key is pressed.
- */
+ * Handles key events in the table viewer. Specifically when the delete key
+ * is pressed.
+ */
protected void handleKeyPressed(KeyEvent event) {
if (event.character == SWT.DEL && event.stateMask == 0) {
- if (fRemoveButtonIndex != -1 && isButtonEnabled(fTree.getSelection(), fRemoveButtonIndex)) {
+ if (fRemoveButtonIndex != -1
+ && isButtonEnabled(fTree.getSelection(), fRemoveButtonIndex)) {
managedButtonPressed(fRemoveButtonIndex);
return;
}
// ------ enable / disable management
/*
- * @see DialogField#dialogFieldChanged
- */
+ * @see DialogField#dialogFieldChanged
+ */
public void dialogFieldChanged() {
super.dialogFieldChanged();
updateButtonState();
}
/*
- * Updates the enable state of the all buttons
- */
+ * Updates the enable state of the all buttons
+ */
protected void updateButtonState() {
if (fButtonControls != null) {
- ISelection sel= fTree.getSelection();
- for (int i= 0; i < fButtonControls.length; i++) {
- Button button= fButtonControls[i];
+ ISelection sel = fTree.getSelection();
+ for (int i = 0; i < fButtonControls.length; i++) {
+ Button button = fButtonControls[i];
if (isOkToUse(button)) {
button.setEnabled(isButtonEnabled(sel, i));
}
}
}
}
-
-
+
protected boolean containsAttributes(List selected) {
- for (int i= 0; i < selected.size(); i++) {
+ for (int i = 0; i < selected.size(); i++) {
if (!fElements.contains(selected.get(i))) {
return true;
}
}
return false;
}
-
protected boolean getManagedButtonState(ISelection sel, int index) {
- List selected= getSelectedElements();
- boolean hasAttributes= containsAttributes(selected);
+ List selected = getSelectedElements();
+ boolean hasAttributes = containsAttributes(selected);
if (index == fRemoveButtonIndex) {
return !selected.isEmpty() && !hasAttributes;
} else if (index == fUpButtonIndex) {
}
/*
- * @see DialogField#updateEnableState
- */
+ * @see DialogField#updateEnableState
+ */
protected void updateEnableState() {
super.updateEnableState();
- boolean enabled= isEnabled();
+ boolean enabled = isEnabled();
if (isOkToUse(fTreeControl)) {
if (!enabled) {
- fSelectionWhenEnabled= fTree.getSelection();
+ fSelectionWhenEnabled = fTree.getSelection();
selectElements(null);
} else {
selectElements(fSelectionWhenEnabled);
- fSelectionWhenEnabled= null;
+ fSelectionWhenEnabled = null;
}
fTreeControl.setEnabled(enabled);
}
}
/**
- * Sets a button enabled or disabled.
- */
+ * Sets a button enabled or disabled.
+ */
public void enableButton(int index, boolean enable) {
if (fButtonsEnabled != null && index < fButtonsEnabled.length) {
- fButtonsEnabled[index]= enable;
+ fButtonsEnabled[index] = enable;
updateButtonState();
}
}
private boolean isButtonEnabled(ISelection sel, int index) {
- boolean extraState= getManagedButtonState(sel, index);
+ boolean extraState = getManagedButtonState(sel, index);
return isEnabled() && extraState && fButtonsEnabled[index];
}
// ------ model access
/**
- * Sets the elements shown in the list.
- */
+ * Sets the elements shown in the list.
+ */
public void setElements(List elements) {
- fElements= new ArrayList(elements);
+ fElements = new ArrayList(elements);
refresh();
if (fTree != null) {
fTree.expandToLevel(fTreeExpandLevel);
}
/**
- * Gets the elements shown in the list.
- * The list returned is a copy, so it can be modified by the user.
- */
+ * Gets the elements shown in the list. The list returned is a copy, so it
+ * can be modified by the user.
+ */
public List getElements() {
return new ArrayList(fElements);
}
/**
- * Gets the element shown at the given index.
- */
+ * Gets the element shown at the given index.
+ */
public Object getElement(int index) {
return fElements.get(index);
}
-
+
/**
- * Gets the index of an element in the list or -1 if element is not in list.
- */
+ * Gets the index of an element in the list or -1 if element is not in list.
+ */
public int getIndexOfElement(Object elem) {
return fElements.indexOf(elem);
- }
+ }
/**
- * Replace an element.
- */
- public void replaceElement(Object oldElement, Object newElement) throws IllegalArgumentException {
- int idx= fElements.indexOf(oldElement);
+ * Replace an element.
+ */
+ public void replaceElement(Object oldElement, Object newElement)
+ throws IllegalArgumentException {
+ int idx = fElements.indexOf(oldElement);
if (idx != -1) {
fElements.set(idx, newElement);
if (fTree != null) {
- List selected= getSelectedElements();
+ List selected = getSelectedElements();
if (selected.remove(oldElement)) {
selected.add(newElement);
}
- boolean isExpanded= fTree.getExpandedState(oldElement);
+ boolean isExpanded = fTree.getExpandedState(oldElement);
fTree.remove(oldElement);
fTree.add(fParentElement, newElement);
if (isExpanded) {
}
/**
- * Adds an element at the end of the tree list.
- */
+ * Adds an element at the end of the tree list.
+ */
public void addElement(Object element) {
if (fElements.contains(element)) {
return;
}
/**
- * Adds elements at the end of the tree list.
- */
+ * Adds elements at the end of the tree list.
+ */
public void addElements(List elements) {
- int nElements= elements.size();
+ int nElements = elements.size();
if (nElements > 0) {
// filter duplicated
- ArrayList elementsToAdd= new ArrayList(nElements);
+ ArrayList elementsToAdd = new ArrayList(nElements);
- for (int i= 0; i < nElements; i++) {
- Object elem= elements.get(i);
+ for (int i = 0; i < nElements; i++) {
+ Object elem = elements.get(i);
if (!fElements.contains(elem)) {
elementsToAdd.add(elem);
}
fElements.addAll(elementsToAdd);
if (fTree != null) {
fTree.add(fParentElement, elementsToAdd.toArray());
- for (int i= 0; i < elementsToAdd.size(); i++) {
+ for (int i = 0; i < elementsToAdd.size(); i++) {
fTree.expandToLevel(elementsToAdd.get(i), fTreeExpandLevel);
}
}
}
/**
- * Adds an element at a position.
- */
+ * Adds an element at a position.
+ */
public void insertElementAt(Object element, int index) {
if (fElements.contains(element)) {
return;
}
/**
- * Adds an element at a position.
- */
+ * Adds an element at a position.
+ */
public void removeAllElements() {
if (fElements.size() > 0) {
fElements.clear();
}
/**
- * Removes an element from the list.
- */
+ * Removes an element from the list.
+ */
public void removeElement(Object element) throws IllegalArgumentException {
if (fElements.remove(element)) {
if (fTree != null) {
}
/**
- * Removes elements from the list.
- */
+ * Removes elements from the list.
+ */
public void removeElements(List elements) {
if (elements.size() > 0) {
fElements.removeAll(elements);
}
/**
- * Gets the number of elements
- */
+ * Gets the number of elements
+ */
public int getSize() {
return fElements.size();
}
public void selectElements(ISelection selection) {
- fSelectionWhenEnabled= selection;
+ fSelectionWhenEnabled = selection;
if (fTree != null) {
fTree.setSelection(selection, true);
}
}
public void selectFirstElement() {
- Object element= null;
+ Object element = null;
if (fViewerSorter != null) {
- Object[] arr= fElements.toArray();
+ Object[] arr = fElements.toArray();
fViewerSorter.sort(fTree, arr);
if (arr.length > 0) {
- element= arr[0];
+ element = arr[0];
}
} else {
if (fElements.size() > 0) {
- element= fElements.get(0);
+ element = fElements.get(0);
}
}
if (element != null) {
public void postSetSelection(final ISelection selection) {
if (isOkToUse(fTreeControl)) {
- Display d= fTreeControl.getDisplay();
+ Display d = fTreeControl.getDisplay();
d.asyncExec(new Runnable() {
public void run() {
if (isOkToUse(fTreeControl)) {
}
/**
- * Refreshes the tree.
- */
+ * Refreshes the tree.
+ */
public void refresh() {
if (fTree != null) {
fTree.refresh();
}
}
-
+
/**
- * Refreshes the tree.
- */
+ * Refreshes the tree.
+ */
public void refresh(Object element) {
if (fTree != null) {
fTree.refresh(element);
}
- }
+ }
// ------- list maintenance
private List moveUp(List elements, List move) {
- int nElements= elements.size();
- List res= new ArrayList(nElements);
- Object floating= null;
- for (int i= 0; i < nElements; i++) {
- Object curr= elements.get(i);
+ int nElements = elements.size();
+ List res = new ArrayList(nElements);
+ Object floating = null;
+ for (int i = 0; i < nElements; i++) {
+ Object curr = elements.get(i);
if (move.contains(curr)) {
res.add(curr);
} else {
if (floating != null) {
res.add(floating);
}
- floating= curr;
+ floating = curr;
}
}
if (floating != null) {
}
private List reverse(List p) {
- List reverse= new ArrayList(p.size());
- for (int i= p.size() - 1; i >= 0; i--) {
+ List reverse = new ArrayList(p.size());
+ for (int i = p.size() - 1; i >= 0; i--) {
reverse.add(p.get(i));
}
return reverse;
private boolean canMoveUp(List selectedElements) {
if (isOkToUse(fTreeControl)) {
- int nSelected= selectedElements.size();
- int nElements= fElements.size();
- for (int i= 0; i < nElements && nSelected > 0; i++) {
+ int nSelected = selectedElements.size();
+ int nElements = fElements.size();
+ for (int i = 0; i < nElements && nSelected > 0; i++) {
if (!selectedElements.contains(fElements.get(i))) {
return true;
}
private boolean canMoveDown(List selectedElements) {
if (isOkToUse(fTreeControl)) {
- int nSelected= selectedElements.size();
- for (int i= fElements.size() - 1; i >= 0 && nSelected > 0; i--) {
+ int nSelected = selectedElements.size();
+ for (int i = fElements.size() - 1; i >= 0 && nSelected > 0; i--) {
if (!selectedElements.contains(fElements.get(i))) {
return true;
}
- nSelected--;
+ nSelected--;
}
}
return false;
}
/**
- * Returns the selected elements.
- */
+ * Returns the selected elements.
+ */
public List getSelectedElements() {
- ArrayList result= new ArrayList();
+ ArrayList result = new ArrayList();
if (fTree != null) {
- ISelection selection= fTree.getSelection();
+ ISelection selection = fTree.getSelection();
if (selection instanceof IStructuredSelection) {
- Iterator iter= ((IStructuredSelection)selection).iterator();
+ Iterator iter = ((IStructuredSelection) selection).iterator();
while (iter.hasNext()) {
result.add(iter.next());
}
}
return result;
}
-
+
public void expandElement(Object element, int level) {
if (fTree != null) {
fTree.expandToLevel(element, level);
}
}
-
// ------- TreeViewerAdapter
- private class TreeViewerAdapter implements ITreeContentProvider, ISelectionChangedListener, IDoubleClickListener {
+ private class TreeViewerAdapter implements ITreeContentProvider,
+ ISelectionChangedListener, IDoubleClickListener {
- private final Object[] NO_ELEMENTS= new Object[0];
+ private final Object[] NO_ELEMENTS = new Object[0];
// ------- ITreeContentProvider Interface ------------
public Object[] getElements(Object obj) {
return fElements.toArray();
}
-
+
public Object[] getChildren(Object element) {
if (fTreeAdapter != null) {
- return fTreeAdapter.getChildren(TreeListDialogField.this, element);
+ return fTreeAdapter.getChildren(TreeListDialogField.this,
+ element);
}
return NO_ELEMENTS;
}
public Object getParent(Object element) {
if (!fElements.contains(element) && fTreeAdapter != null) {
- return fTreeAdapter.getParent(TreeListDialogField.this, element);
+ return fTreeAdapter
+ .getParent(TreeListDialogField.this, element);
}
return fParentElement;
}
public boolean hasChildren(Object element) {
if (fTreeAdapter != null) {
- return fTreeAdapter.hasChildren(TreeListDialogField.this, element);
+ return fTreeAdapter.hasChildren(TreeListDialogField.this,
+ element);
}
return false;
- }
+ }
// ------- ISelectionChangedListener Interface ------------
public void selectionChanged(SelectionChangedEvent event) {
doListSelected(event);
}
-
- /* (non-Javadoc)
+
+ /*
+ * (non-Javadoc)
+ *
* @see org.eclipse.jface.viewers.IDoubleClickListener#doubleClick(org.eclipse.jface.viewers.DoubleClickEvent)
*/
public void doubleClick(DoubleClickEvent event) {
doDoubleClick(event);
- }
+ }
}
fTreeAdapter.selectionChanged(this);
}
}
-
+
protected void doDoubleClick(DoubleClickEvent event) {
if (fTreeAdapter != null) {
fTreeAdapter.doubleClicked(this);
}
}
-
-
}