diff options
Diffstat (limited to 'org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/BreadcrumbViewer.java')
| -rw-r--r-- | org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/BreadcrumbViewer.java | 135 |
1 files changed, 83 insertions, 52 deletions
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/BreadcrumbViewer.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/BreadcrumbViewer.java index d659b0bef..37d0fac29 100644 --- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/BreadcrumbViewer.java +++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/BreadcrumbViewer.java @@ -1,5 +1,5 @@ /******************************************************************************* - * Copyright (c) 2008, 2011 IBM Corporation and others. + * Copyright (c) 2008, 2013 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 @@ -70,7 +70,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { private final int fStyle; private final Composite fContainer; - private final ArrayList fBreadcrumbItems; + private final ArrayList<BreadcrumbItem> fBreadcrumbItems; private final ListenerList fMenuListeners; private Image fGradientBackground; @@ -93,13 +93,14 @@ public abstract class BreadcrumbViewer extends StructuredViewer { */ public BreadcrumbViewer(Composite parent, int style) { fStyle = style; - fBreadcrumbItems= new ArrayList(); + fBreadcrumbItems = new ArrayList<BreadcrumbItem>(); fMenuListeners= new ListenerList(); fContainer= new Composite(parent, SWT.NONE); GridData layoutData= new GridData(SWT.FILL, SWT.TOP, true, false); fContainer.setLayoutData(layoutData); fContainer.addTraverseListener(new TraverseListener() { + @Override public void keyTraversed(TraverseEvent e) { e.doit= true; } @@ -107,15 +108,17 @@ public abstract class BreadcrumbViewer extends StructuredViewer { fContainer.setBackgroundMode(SWT.INHERIT_DEFAULT); fContainer.addListener(SWT.Resize, new Listener() { - public void handleEvent(Event event) { + @Override + public void handleEvent(Event event) { int height= fContainer.getClientArea().height; if (fGradientBackground == null || fGradientBackground.getBounds().height != height) { Image image= height == 0 ? null : createGradientImage(height, event.display); fContainer.setBackgroundImage(image); - if (fGradientBackground != null) - fGradientBackground.dispose(); + if (fGradientBackground != null) { + fGradientBackground.dispose(); + } fGradientBackground= image; } } @@ -136,6 +139,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { fContainer.setLayout(gridLayout); fContainer.addListener(SWT.Resize, new Listener() { + @Override public void handleEvent(Event event) { updateSize(); fContainer.layout(true, true); @@ -160,6 +164,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { /* * @see org.eclipse.jface.viewers.Viewer#getControl() */ + @Override public Control getControl() { return fContainer; } @@ -167,6 +172,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { /* * @see org.eclipse.jface.viewers.StructuredViewer#reveal(java.lang.Object) */ + @Override public void reveal(Object element) { //all elements are always visible } @@ -180,10 +186,11 @@ public abstract class BreadcrumbViewer extends StructuredViewer { if (fSelectedItem != null) { fSelectedItem.setFocus(true); } else { - if (fBreadcrumbItems.size() == 0) + if (fBreadcrumbItems.size() == 0) { return; + } - BreadcrumbItem item= (BreadcrumbItem) fBreadcrumbItems.get(fBreadcrumbItems.size() - 1); + BreadcrumbItem item= fBreadcrumbItems.get(fBreadcrumbItems.size() - 1); item.setFocus(true); } } @@ -193,9 +200,10 @@ public abstract class BreadcrumbViewer extends StructuredViewer { */ public boolean isDropDownOpen() { for (int i= 0, size= fBreadcrumbItems.size(); i < size; i++) { - BreadcrumbItem item= (BreadcrumbItem) fBreadcrumbItems.get(i); - if (item.isMenuShown()) + BreadcrumbItem item= fBreadcrumbItems.get(i); + if (item.isMenuShown()) { return true; + } } return false; @@ -209,9 +217,10 @@ public abstract class BreadcrumbViewer extends StructuredViewer { */ public Shell getDropDownShell() { for (int i= 0, size= fBreadcrumbItems.size(); i < size; i++) { - BreadcrumbItem item= (BreadcrumbItem) fBreadcrumbItems.get(i); - if (item.isMenuShown()) + BreadcrumbItem item= fBreadcrumbItems.get(i); + if (item.isMenuShown()) { return item.getDropDownShell(); + } } return null; @@ -240,6 +249,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { /* * @see org.eclipse.jface.viewers.StructuredViewer#assertContentProviderType(org.eclipse.jface.viewers.IContentProvider) */ + @Override protected void assertContentProviderType(IContentProvider provider) { super.assertContentProviderType(provider); Assert.isTrue(provider instanceof ITreePathContentProvider); @@ -248,14 +258,17 @@ public abstract class BreadcrumbViewer extends StructuredViewer { /* * @see org.eclipse.jface.viewers.Viewer#inputChanged(java.lang.Object, java.lang.Object) */ + @Override protected void inputChanged(final Object input, Object oldInput) { - if (fContainer.isDisposed()) + if (fContainer.isDisposed()) { return; + } disableRedraw(); try { preservingSelection(new Runnable() { - public void run() { + @Override + public void run() { buildItemChain(input); } }); @@ -267,12 +280,15 @@ public abstract class BreadcrumbViewer extends StructuredViewer { /* * @see org.eclipse.jface.viewers.StructuredViewer#doFindInputItem(java.lang.Object) */ + @Override protected Widget doFindInputItem(Object element) { - if (element == null) + if (element == null) { return null; + } - if (element == getInput() || element.equals(getInput())) + if (element == getInput() || element.equals(getInput())) { return doFindItem(element); + } return null; } @@ -280,14 +296,17 @@ public abstract class BreadcrumbViewer extends StructuredViewer { /* * @see org.eclipse.jface.viewers.StructuredViewer#doFindItem(java.lang.Object) */ + @Override protected Widget doFindItem(Object element) { - if (element == null) + if (element == null) { return null; + } for (int i= 0, size= fBreadcrumbItems.size(); i < size; i++) { - BreadcrumbItem item= (BreadcrumbItem) fBreadcrumbItems.get(i); - if (item.getData() == element || element.equals(item.getData())) + BreadcrumbItem item= fBreadcrumbItems.get(i); + if (item.getData() == element || element.equals(item.getData())) { return item; + } } return null; @@ -296,6 +315,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { /* * @see org.eclipse.jface.viewers.StructuredViewer#doUpdateItem(org.eclipse.swt.widgets.Widget, java.lang.Object, boolean) */ + @Override protected void doUpdateItem(Widget widget, Object element, boolean fullMap) { myDoUpdateItem(widget, element, fullMap); } @@ -326,7 +346,8 @@ public abstract class BreadcrumbViewer extends StructuredViewer { * ITreeSelection. * @return the current selection */ - public ISelection getSelection() { + @Override + public ISelection getSelection() { Control control = getControl(); if (control == null || control.isDisposed()) { return TreeSelection.EMPTY; @@ -341,9 +362,9 @@ public abstract class BreadcrumbViewer extends StructuredViewer { } protected TreePath getTreePathFromItem(BreadcrumbItem item) { - List elements = new ArrayList(fBreadcrumbItems.size()); + List<Object> elements = new ArrayList<Object>(fBreadcrumbItems.size()); for (int i = 0; i < fBreadcrumbItems.size(); i++) { - elements.add( ((BreadcrumbItem)fBreadcrumbItems.get(i)).getData() ); + elements.add( fBreadcrumbItems.get(i).getData() ); if (fBreadcrumbItems.get(i).equals(item)) { return new TreePath(elements.toArray()); } @@ -354,14 +375,17 @@ public abstract class BreadcrumbViewer extends StructuredViewer { /* * @see org.eclipse.jface.viewers.StructuredViewer#getSelectionFromWidget() */ + @Override protected List getSelectionFromWidget() { - if (fSelectedItem == null) + if (fSelectedItem == null) { return Collections.EMPTY_LIST; + } - if (fSelectedItem.getData() == null) + if (fSelectedItem.getData() == null) { return Collections.EMPTY_LIST; + } - ArrayList result= new ArrayList(); + ArrayList<Object> result = new ArrayList<Object>(); result.add(fSelectedItem.getData()); return result; } @@ -369,6 +393,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { /* * @see org.eclipse.jface.viewers.StructuredViewer#internalRefresh(java.lang.Object) */ + @Override protected void internalRefresh(Object element) { disableRedraw(); @@ -378,7 +403,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { BreadcrumbItem item= (BreadcrumbItem) doFindItem(element); if (item == null || element != null && element.equals(getInput())) { for (int i= 0, size= fBreadcrumbItems.size(); i < size; i++) { - BreadcrumbItem item1= (BreadcrumbItem) fBreadcrumbItems.get(i); + BreadcrumbItem item1= fBreadcrumbItems.get(i); layoutChanged = refreshItem(item1) || layoutChanged; } } else { @@ -397,14 +422,16 @@ public abstract class BreadcrumbViewer extends StructuredViewer { /* * @see org.eclipse.jface.viewers.StructuredViewer#setSelectionToWidget(java.util.List, boolean) */ + @Override protected void setSelectionToWidget(List l, boolean reveal) { BreadcrumbItem focusItem= null; // Unselect the currently selected items, and remember the focused item. for (int i= 0, size= fBreadcrumbItems.size(); i < size; i++) { - BreadcrumbItem item= (BreadcrumbItem) fBreadcrumbItems.get(i); - if (item.hasFocus()) + BreadcrumbItem item= fBreadcrumbItems.get(i); + if (item.hasFocus()) { focusItem= item; + } item.setSelected(false); } @@ -415,7 +442,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { // Set the new selection to items. fSelectedItem = null; - for (Iterator iterator= l.iterator(); iterator.hasNext();) { + for (Iterator<Object> iterator = l.iterator(); iterator.hasNext();) { Object element= iterator.next(); BreadcrumbItem item= (BreadcrumbItem) doFindItem(element); if (item != null) { @@ -440,8 +467,9 @@ public abstract class BreadcrumbViewer extends StructuredViewer { * @param item the item to select or <code>null</code> */ void selectItem(BreadcrumbItem item) { - if (fSelectedItem != null) + if (fSelectedItem != null) { fSelectedItem.setSelected(false); + } fSelectedItem= item; setSelectionToWidget(getSelection(), false); @@ -466,7 +494,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { * @return the item ad the given <code>index</code> */ BreadcrumbItem getItem(int index) { - return (BreadcrumbItem) fBreadcrumbItems.get(index); + return fBreadcrumbItems.get(index); } /** @@ -477,9 +505,10 @@ public abstract class BreadcrumbViewer extends StructuredViewer { */ int getIndexOfItem(BreadcrumbItem item) { for (int i= 0, size= fBreadcrumbItems.size(); i < size; i++) { - BreadcrumbItem pItem= (BreadcrumbItem) fBreadcrumbItems.get(i); - if (pItem == item) + BreadcrumbItem pItem= fBreadcrumbItems.get(i); + if (pItem == item) { return i; + } } return -1; @@ -527,27 +556,28 @@ public abstract class BreadcrumbViewer extends StructuredViewer { * one will be selected */ void doTraverse(boolean next) { - if (fSelectedItem == null) + if (fSelectedItem == null) { return; + } int index= fBreadcrumbItems.indexOf(fSelectedItem); if (next) { if (index == fBreadcrumbItems.size() - 1) { - BreadcrumbItem current= (BreadcrumbItem) fBreadcrumbItems.get(index); + BreadcrumbItem current= fBreadcrumbItems.get(index); current.openDropDownMenu(); current.getDropDownShell().setFocus(); } else { - BreadcrumbItem nextItem= (BreadcrumbItem) fBreadcrumbItems.get(index + 1); + BreadcrumbItem nextItem= fBreadcrumbItems.get(index + 1); selectItem(nextItem); } } else { if (index == 0) { - BreadcrumbItem root= (BreadcrumbItem) fBreadcrumbItems.get(index); + BreadcrumbItem root= fBreadcrumbItems.get(index); root.openDropDownMenu(); root.getDropDownShell().setFocus(); } else { - selectItem((BreadcrumbItem) fBreadcrumbItems.get(index - 1)); + selectItem(fBreadcrumbItems.get(index - 1)); } } } @@ -558,7 +588,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { */ private void buildItemChain(Object input) { if (fBreadcrumbItems.size() > 0) { - BreadcrumbItem last= (BreadcrumbItem) fBreadcrumbItems.get(fBreadcrumbItems.size() - 1); + BreadcrumbItem last= fBreadcrumbItems.get(fBreadcrumbItems.size() - 1); last.setIsLastItem(false); } @@ -592,21 +622,22 @@ public abstract class BreadcrumbViewer extends StructuredViewer { BreadcrumbItem last = null; if (index <= fBreadcrumbItems.size()) { - last = ((BreadcrumbItem)fBreadcrumbItems.get(index - 1)); + last = (fBreadcrumbItems.get(index - 1)); last.setIsLastItem(true); } while (index < fBreadcrumbItems.size()) { updateLayout = true; - BreadcrumbItem item= (BreadcrumbItem) fBreadcrumbItems.remove(fBreadcrumbItems.size() - 1); + BreadcrumbItem item= fBreadcrumbItems.remove(fBreadcrumbItems.size() - 1); if (item.hasFocus() && last != null) { last.setFocus(true); } if (item == fSelectedItem) { selectItem(null); } - if (item.getData() != null) + if (item.getData() != null) { unmapElement(item.getData()); + } item.dispose(); } @@ -653,7 +684,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { private boolean updateOrCreateItem(int index, TreePath path, Object element) { BreadcrumbItem item; if (fBreadcrumbItems.size() > index) { - item = (BreadcrumbItem)fBreadcrumbItems.get(index); + item = fBreadcrumbItems.get(index); if (item.getData() != null) { unmapElement(item.getData()); } @@ -692,7 +723,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { if (currentWidth > width) { int index= 0; while (currentWidth > width && index < fBreadcrumbItems.size() - 1) { - BreadcrumbItem viewer= (BreadcrumbItem) fBreadcrumbItems.get(index); + BreadcrumbItem viewer= fBreadcrumbItems.get(index); if (viewer.isShowText()) { viewer.setShowText(false); currentWidth= getCurrentWidth(); @@ -707,7 +738,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { int index= fBreadcrumbItems.size() - 1; while (currentWidth < width && index >= 0) { - BreadcrumbItem viewer= (BreadcrumbItem) fBreadcrumbItems.get(index); + BreadcrumbItem viewer= fBreadcrumbItems.get(index); if (!viewer.isShowText()) { viewer.setShowText(true); currentWidth= getCurrentWidth(); @@ -734,7 +765,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { private int getCurrentWidth() { int result= 0; for (int i= 0, size= fBreadcrumbItems.size(); i < size; i++) { - BreadcrumbItem viewer= (BreadcrumbItem) fBreadcrumbItems.get(i); + BreadcrumbItem viewer= fBreadcrumbItems.get(i); result+= viewer.getWidth(); } @@ -745,8 +776,9 @@ public abstract class BreadcrumbViewer extends StructuredViewer { * Enables redrawing of the breadcrumb. */ private void enableRedraw() { - if (IS_GTK) //flickers on GTK + if (IS_GTK) { return; + } fContainer.setRedraw(true); } @@ -759,8 +791,9 @@ public abstract class BreadcrumbViewer extends StructuredViewer { * </p> */ private void disableRedraw() { - if (IS_GTK) //flickers on GTK + if (IS_GTK) { return; + } fContainer.setRedraw(false); } @@ -871,6 +904,7 @@ public abstract class BreadcrumbViewer extends StructuredViewer { * * @since 3.7 */ + @Override protected void handleDispose(DisposeEvent event) { if (fGradientBackground != null) { fGradientBackground.dispose(); @@ -878,14 +912,11 @@ public abstract class BreadcrumbViewer extends StructuredViewer { } if (fBreadcrumbItems != null) { - Iterator iterator= fBreadcrumbItems.iterator(); - while (iterator.hasNext()) { - BreadcrumbItem item= (BreadcrumbItem)iterator.next(); + for (BreadcrumbItem item : fBreadcrumbItems) { item.dispose(); } } super.handleDispose(event); } - } |