--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2008, 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
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jdt.internal.ui.javaeditor.breadcrumb;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Item;
+import org.eclipse.swt.widgets.Shell;
+
+import org.eclipse.jface.viewers.ILabelProvider;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.ITreeContentProvider;
+import org.eclipse.jface.viewers.ViewerCell;
+
+
+/**
+ * An item in a breadcrumb viewer.
+ * <p>
+ * The item shows a label and an image. It also has the ability to expand, that is to open a drop
+ * down menu.
+ * </p>
+ * <p>
+ * The drop down allows to select any child of the items input element. The item shows the label and
+ * icon of its data element, if any.
+ * </p>
+ *
+ * @since 3.4
+ */
+class BreadcrumbItem extends Item {
+
+ private ILabelProvider fLabelProvider;
+ private ITreeContentProvider fContentProvider;
+
+ private final BreadcrumbViewer fParent;
+ private Composite fContainer;
+
+ BreadcrumbItemDetails fDetailsBlock;
+ private BreadcrumbItemDropDown fExpandBlock;
+ private ILabelProvider fToolTipLabelProvider;
+ private boolean fIsLast;
+
+ /**
+ * A new breadcrumb item which is shown inside the given viewer.
+ *
+ * @param viewer the items viewer
+ * @param parent the container containing the item
+ */
+ public BreadcrumbItem(BreadcrumbViewer viewer, Composite parent) {
+ super(parent, SWT.NONE);
+
+ fParent= viewer;
+
+ fContainer= new Composite(parent, SWT.NONE);
+ fContainer.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
+ GridLayout layout= new GridLayout(2, false);
+ layout.marginBottom= 1;
+ layout.marginHeight= 0;
+ layout.marginWidth= 0;
+ layout.horizontalSpacing= 0;
+ fContainer.setLayout(layout);
+
+ fDetailsBlock= new BreadcrumbItemDetails(this, fContainer);
+
+ fExpandBlock= new BreadcrumbItemDropDown(this, fContainer);
+ }
+
+ /**
+ * Returns this items viewer.
+ *
+ * @return the viewer showing this item
+ */
+ public BreadcrumbViewer getViewer() {
+ return fParent;
+ }
+
+ /**
+ * Sets the content provider of this item.
+ *
+ * @param contentProvider the content provider to use
+ */
+ public void setContentProvider(ITreeContentProvider contentProvider) {
+ fContentProvider= contentProvider;
+ }
+
+ /**
+ * Sets the label provider of this item.
+ *
+ * @param labelProvider the label provider to use
+ */
+ public void setLabelProvider(ILabelProvider labelProvider) {
+ fLabelProvider= labelProvider;
+ }
+
+ /**
+ * Sets the the label provider for the tool tips of this item.
+ *
+ * @param toolTipLabelProvider the label provider for the tool tips
+ */
+ public void setToolTipLabelProvider(ILabelProvider toolTipLabelProvider) {
+ fToolTipLabelProvider= toolTipLabelProvider;
+ }
+
+ /*
+ * @see org.eclipse.swt.widgets.Widget#dispose()
+ */
+ @Override
+ public void dispose() {
+ fContainer.dispose();
+ super.dispose();
+ }
+
+ /**
+ * Should this item show a text label.
+ *
+ * @param enabled true if it should
+ */
+ void setShowText(boolean enabled) {
+ fDetailsBlock.setTextVisible(enabled);
+ }
+
+ /**
+ * Does this item show a text label?
+ *
+ * @return true if it does.
+ */
+ boolean isShowText() {
+ return fDetailsBlock.isTextVisible();
+ }
+
+ /**
+ * Returns the width of this item.
+ *
+ * @return the width of this item
+ */
+ int getWidth() {
+ return fDetailsBlock.getWidth() + fExpandBlock.getWidth() + 2;
+ }
+
+ /**
+ * Sets whether this item has to be marked as
+ * selected or not.
+ *
+ * @param selected true if marked as selected
+ */
+ void setSelected(boolean selected) {
+ fDetailsBlock.setSelected(selected);
+ }
+
+ /**
+ * Sets whether this item has the keyboard focus.
+ *
+ * @param state <code>true</code> if it has focus, <code>false</code> otherwise
+ */
+ void setFocus(boolean state) {
+ fDetailsBlock.setFocus(state);
+ }
+
+ /**
+ * Returns whether this item has the keyboard focus.
+ *
+ * @return <code>true</code> if this item has the keyboard focus
+ */
+ boolean hasFocus() {
+ return fDetailsBlock.hasFocus();
+ }
+
+ /**
+ * Redraw this item, retrieves new labels from its label provider.
+ */
+ void refresh() {
+ String text= fLabelProvider.getText(getData());
+ Image image= fLabelProvider.getImage(getData());
+ String toolTip= fToolTipLabelProvider.getText(getData());
+
+ fDetailsBlock.generated_6397763314331257138(text, image, toolTip);
+
+ refreshArrow();
+ }
+
+ /**
+ * Refresh the arrows visibility.
+ */
+ void refreshArrow() {
+ fExpandBlock.setEnabled(fContentProvider.hasChildren(getData()));
+ }
+
+ /**
+ * Set whether this is the last item in the breadcrumb item chain or not.
+ *
+ * @param isLast <code>true</code> if this is the last item, <code>false</code> otherwise
+ */
+ void setIsLastItem(boolean isLast) {
+ fIsLast= isLast;
+
+ GridData data= (GridData) fContainer.getLayoutData();
+ data.grabExcessHorizontalSpace= isLast;
+ }
+
+ /**
+ * Sets whether or not the this item should show the details (name and label).
+ *
+ * @param visible true if the item shows details
+ */
+ void setDetailsVisible(boolean visible) {
+ fDetailsBlock.setVisible(visible);
+ }
+
+ /**
+ * Expand this item, shows the drop down menu.
+ */
+ void openDropDownMenu() {
+ fExpandBlock.showMenu();
+ }
+
+ /**
+ * @return true if this item is expanded
+ */
+ boolean isMenuShown() {
+ return fExpandBlock.isMenuShown();
+ }
+
+ /**
+ * Returns the drop down shell.
+ *
+ * @return the shell of the drop down if shown, <code>null</code> otherwise
+ */
+ Shell getDropDownShell() {
+ return fExpandBlock.getDropDownShell();
+ }
+
+ /**
+ * Returns the drop down selection provider of this item.
+ *
+ * @return the selection provider of the drop down or <code>null</code>
+ */
+ ISelectionProvider getDropDownSelectionProvider() {
+ return fExpandBlock.getDropDownSelectionProvider();
+ }
+
+ /**
+ * Returns the bounds of this item.
+ *
+ * @return the bounds of this item
+ */
+ public Rectangle getBounds() {
+ return fContainer.getBounds();
+ }
+
+ /**
+ * Set the tool tip of the item to the given text.
+ *
+ * @param text the tool tip for the item
+ */
+ public void setToolTip(String text) {
+ fDetailsBlock.setToolTip(text);
+ }
+
+ /*
+ * @see org.eclipse.swt.widgets.Item#setText(java.lang.String)
+ */
+ @Override
+ public void setText(String string) {
+ super.setText(string);
+ fDetailsBlock.setText(string);
+
+ //more or less space might be required for the label
+ if (fIsLast)
+ fContainer.layout(true, true);
+ }
+
+ /*
+ * @see org.eclipse.swt.widgets.Item#setImage(org.eclipse.swt.graphics.Image)
+ */
+ @Override
+ public void setImage(Image image) {
+ super.setImage(image);
+ fDetailsBlock.setImage(image);
+ }
+
+ public void generated_4566596398491783456(BreadcrumbViewer breadcrumbviewer, ViewerCell cell) {
+ if (breadcrumbviewer.fToolTipLabelProvider != null) {
+ setToolTip(breadcrumbviewer.fToolTipLabelProvider.getText(getData()));
+ } else {
+ setToolTip(cell.getText());
+ }
+ }
+
+ public List generated_6759778545297429978() {
+ if (getData() == null)
+ return Collections.EMPTY_LIST;
+
+ ArrayList<Object> result= new ArrayList<Object>();
+ result.add(getData());
+ return result;
+ }
+
+ public BreadcrumbItem generated_8712417121610677713(BreadcrumbViewer breadcrumbviewer) {
+ setContentProvider((ITreeContentProvider) breadcrumbviewer.getContentProvider());
+
+ return this;
+ }
+
+}