]> git.uio.no Git - ifi-stolz-refaktor.git/blobdiff - case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/javaeditor/breadcrumb/BreadcrumbItem.java
Case Study: adding data and statistics
[ifi-stolz-refaktor.git] / case-study / jdt-after / ui / org / eclipse / jdt / internal / ui / javaeditor / breadcrumb / BreadcrumbItem.java
diff --git a/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/javaeditor/breadcrumb/BreadcrumbItem.java b/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/javaeditor/breadcrumb/BreadcrumbItem.java
new file mode 100644 (file)
index 0000000..6450b11
--- /dev/null
@@ -0,0 +1,319 @@
+/*******************************************************************************
+ * 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;
+       }
+
+}