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diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ExpandBar.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ExpandBar.java
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--- a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ExpandBar.java
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-/*******************************************************************************
- * Copyright (c) 2000, 2009 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.swt.widgets;
-
-import org.eclipse.swt.internal.wpf.*;
-import org.eclipse.swt.*;
-import org.eclipse.swt.graphics.*;
-import org.eclipse.swt.events.*;
-
-/**
- * Instances of this class support the layout of selectable
- * expand bar items.
- * <p>
- * The item children that may be added to instances of this class
- * must be of type <code>ExpandItem</code>.
- * </p><p>
- * <dl>
- * <dt><b>Styles:</b></dt>
- * <dd>V_SCROLL</dd>
- * <dt><b>Events:</b></dt>
- * <dd>Expand, Collapse</dd>
- * </dl>
- * </p><p>
- * IMPORTANT: This class is <em>not</em> intended to be subclassed.
- * </p>
- *
- * @see ExpandItem
- * @see ExpandEvent
- * @see ExpandListener
- * @see ExpandAdapter
- * @see <a href="http://www.eclipse.org/swt/snippets/#expandbar">ExpandBar snippets</a>
- * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a>
- * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
- *
- * @since 3.2
- * @noextend This class is not intended to be subclassed by clients.
- */
-public class ExpandBar extends Composite {
- int parentingHandle;
- Control [] children;
- int itemCount, childCount;
- int spacing;
-
-
-/**
- * Constructs a new instance of this class given its parent
- * and a style value describing its behavior and appearance.
- * <p>
- * The style value is either one of the style constants defined in
- * class <code>SWT</code> which is applicable to instances of this
- * class, or must be built by <em>bitwise OR</em>'ing together
- * (that is, using the <code>int</code> "|" operator) two or more
- * of those <code>SWT</code> style constants. The class description
- * lists the style constants that are applicable to the class.
- * Style bits are also inherited from superclasses.
- * </p>
- *
- * @param parent a composite control which will be the parent of the new instance (cannot be null)
- * @param style the style of control to construct
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
- * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
- * </ul>
- *
- * @see SWT#V_SCROLL
- * @see Widget#checkSubclass
- * @see Widget#getStyle
- */
-public ExpandBar (Composite parent, int style) {
- super (parent, checkStyle (style));
-}
-
-Control [] _getChildren () {
- // return children in reverse order.
- Control[] result = new Control [childCount];
- for (int i = 0; i < childCount; i++) {
- result [childCount - i - 1] = children [i];
- }
- return result;
-}
-
-void addChild (Control control) {
- super.addChild (control);
- if (childCount == children.length) {
- Control [] newChildren = new Control [childCount + 4];
- System.arraycopy (children, 0, newChildren, 0, childCount);
- children = newChildren;
- }
- children [childCount++] = control;
-}
-
-/**
- * Adds the listener to the collection of listeners who will
- * be notified when an item in the receiver is expanded or collapsed
- * by sending it one of the messages defined in the <code>ExpandListener</code>
- * interface.
- *
- * @param listener the listener which should be notified
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- * @see ExpandListener
- * @see #removeExpandListener
- */
-public void addExpandListener (ExpandListener listener) {
- checkWidget ();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- TypedListener typedListener = new TypedListener (listener);
- addListener (SWT.Expand, typedListener);
- addListener (SWT.Collapse, typedListener);
-}
-
-protected void checkSubclass () {
- if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
-}
-
-static int checkStyle (int style) {
- style &= ~SWT.H_SCROLL;
- return style;
-}
-
-public Point computeSize (int wHint, int hHint, boolean changed) {
- checkWidget ();
- Point size = computeSize (handle, wHint, hHint, changed);
- Rectangle trim = computeTrim (0, 0, size.x, size.y);
- return new Point (trim.width, trim.height);
-}
-
-void createHandle () {
- state |= THEME_BACKGROUND;
- parentingHandle = OS.gcnew_Canvas ();
- if (parentingHandle == 0) error (SWT.ERROR_NO_HANDLES);
- scrolledHandle = OS.gcnew_ScrollViewer ();
- if (scrolledHandle == 0) error (SWT.ERROR_NO_HANDLES);
- handle = OS.gcnew_StackPanel ();
- if (handle == 0) error (SWT.ERROR_NO_HANDLES);
- int children = OS.Panel_Children (parentingHandle);
- OS.UIElementCollection_Add (children, scrolledHandle);
- OS.GCHandle_Free (children);
- OS.ContentControl_Content (scrolledHandle, handle);
-}
-
-void createItem (ExpandItem item, int style, int index) {
- if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE);
- item.createWidget ();
- int items = OS.Panel_Children (handle);
- OS.UIElementCollection_Insert (items, index, item.topHandle ());
- int count = OS.UIElementCollection_Count (items);
- OS.GCHandle_Free (items);
- if (itemCount == count) error (SWT.ERROR_ITEM_NOT_ADDED);
- itemCount++;
-}
-
-void createWidget () {
- super.createWidget ();
- children = new Control [4];
-}
-
-int defaultBackground () {
- return OS.SystemColors_ControlColor;
-}
-
-void deregister () {
- super.deregister ();
- display.removeWidget (parentingHandle);
-}
-
-void destroyItem (ExpandItem item) {
- int items = OS.Panel_Children (handle);
- OS.UIElementCollection_Remove (items, item.topHandle ());
- int count = OS.UIElementCollection_Count (items);
- OS.GCHandle_Free (items);
- if (itemCount == count) error (SWT.ERROR_ITEM_NOT_REMOVED);
- itemCount--;
-}
-
-void fixScrollbarVisibility () {
- OS.ScrollViewer_SetHorizontalScrollBarVisibility (scrolledHandle, OS.ScrollBarVisibility_Hidden);
- if ((style & SWT.V_SCROLL) == 0) {
- OS.ScrollViewer_SetVerticalScrollBarVisibility (scrolledHandle, OS.ScrollBarVisibility_Hidden);
- } else {
- OS.ScrollViewer_SetVerticalScrollBarVisibility (scrolledHandle, OS.ScrollBarVisibility_Auto);
- }
-}
-
-Point getLocation (Control child) {
- int topHandle = child.topHandle ();
- int point = OS.gcnew_Point (0, 0);
- if (point == 0) error (SWT.ERROR_NO_HANDLES);
- int location = OS.UIElement_TranslatePoint (topHandle, point, handle);
- int x = (int) OS.Point_X (location);
- int y = (int) OS.Point_Y (location);
- OS.GCHandle_Free (point);
- OS.GCHandle_Free (location);
- return new Point (x, y);
-}
-
-/**
- * Returns the item at the given, zero-relative index in the
- * receiver. Throws an exception if the index is out of range.
- *
- * @param index the index of the item to return
- * @return the item at the given index
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public ExpandItem getItem (int index) {
- checkWidget ();
- if (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE);
- int items = OS.Panel_Children (handle);
- ExpandItem item = getItem (items, index);
- OS.GCHandle_Free (items);
- return item;
-}
-
-ExpandItem getItem (int items, int index) {
- int item = OS.UIElementCollection_default (items, index);
- ExpandItem result = (ExpandItem) display.getWidget (item);
- OS.GCHandle_Free (item);
- return result;
-}
-
-/**
- * Returns the number of items contained in the receiver.
- *
- * @return the number of items
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public int getItemCount () {
- checkWidget ();
- return itemCount;
-}
-
-/**
- * Returns an array of <code>ExpandItem</code>s which are the items
- * in the receiver.
- * <p>
- * Note: This is not the actual structure used by the receiver
- * to maintain its list of items, so modifying the array will
- * not affect the receiver.
- * </p>
- *
- * @return the items in the receiver
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public ExpandItem [] getItems () {
- checkWidget ();
- ExpandItem [] result = new ExpandItem [itemCount];
- int items = OS.Panel_Children (handle);
- for (int i=0; i<itemCount; i++) {
- result [i] = getItem (items, i);
- }
- OS.GCHandle_Free (items);
- return result;
-}
-
-int getScrollBarHandle (int style) {
- if ((style & SWT.H_SCROLL) != 0) return 0;
- updateLayout (handle);
- int template = OS.Control_Template (scrolledHandle);
- int part = createDotNetString ("PART_VerticalScrollBar", false);
- int scrollbar = OS.FrameworkTemplate_FindName (template, part, scrolledHandle);
- OS.GCHandle_Free (part);
- OS.GCHandle_Free (template);
- return scrollbar;
-}
-
-/**
- * Returns the receiver's spacing.
- *
- * @return the spacing
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public int getSpacing () {
- checkWidget ();
- return spacing;
-}
-
-boolean hasItems () {
- return true;
-}
-
-/**
- * Searches the receiver's list starting at the first item
- * (index 0) until an item is found that is equal to the
- * argument, and returns the index of that item. If no item
- * is found, returns -1.
- *
- * @param item the search item
- * @return the index of the item
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the item is null</li>
- * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public int indexOf (ExpandItem item) {
- checkWidget ();
- if (item == null) error (SWT.ERROR_NULL_ARGUMENT);
- int items = OS.Panel_Children (handle);
- int index = OS.UIElementCollection_IndexOf (items, item.topHandle ());
- OS.GCHandle_Free (items);
- return index;
-}
-
-int parentingHandle() {
- return parentingHandle;
-}
-
-void register () {
- super.register ();
- display.addWidget (parentingHandle, this);
-}
-
-void releaseChildren (boolean destroy) {
- int items = OS.Panel_Children (handle);
- for (int i=0; i<itemCount; i++) {
- ExpandItem item = getItem (items, i);
- if (item != null && !item.isDisposed ()) item.release (false);
- }
- OS.GCHandle_Free (items);
- super.releaseChildren (destroy);
-}
-
-void releaseHandle () {
- super.releaseHandle ();
- if (parentingHandle != 0) OS.GCHandle_Free (parentingHandle);
- parentingHandle = 0;
-}
-
-void removeChild (Control control) {
- super.removeChild (control);
- int index = 0;
- while (index < childCount) {
- if (children [index] == control) break;
- index++;
- }
- if (index == childCount) return;
- System.arraycopy (children, index+1, children, index, --childCount - index);
- children [childCount] = null;
-}
-
-void removeControl (Control control) {
- super.removeControl (control);
- int items = OS.Panel_Children (handle);
- for (int i=0; i<itemCount; i++) {
- ExpandItem item = getItem (items, i);
- if (item.control == control) {
- item.setControl (null);
- break;
- }
- }
- OS.GCHandle_Free (items);
-}
-
-/**
- * Removes the listener from the collection of listeners who will
- * be notified when items in the receiver are expanded or collapsed.
- *
- * @param listener the listener which should no longer be notified
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- * @see ExpandListener
- * @see #addExpandListener
- */
-public void removeExpandListener (ExpandListener listener) {
- checkWidget ();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- if (eventTable == null) return;
- eventTable.unhook (SWT.Expand, listener);
- eventTable.unhook (SWT.Collapse, listener);
-}
-
-int setBounds (int x, int y, int width, int height, int flags) {
- int result = super.setBounds (x, y, width, height, flags);
- if ((result & RESIZED) != 0) {
- OS.FrameworkElement_Height (scrolledHandle, height);
- OS.FrameworkElement_Width (scrolledHandle, width);
- }
- return result;
-}
-
-/**
- * Sets the receiver's spacing. Spacing specifies the number of pixels allocated around
- * each item.
- *
- * @param spacing the spacing around each item
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public void setSpacing (int spacing) {
- checkWidget ();
- if (spacing < 0) return;
- if (spacing == this.spacing) return;
- this.spacing = spacing;
- int thickness = OS.gcnew_Thickness (spacing, spacing, spacing, spacing);
- int items = OS.Panel_Children (handle);
- for (int i = 0; i < itemCount; i++) {
- ExpandItem item = getItem (items, i);
- OS.FrameworkElement_Margin (item.handle, thickness);
- }
- OS.GCHandle_Free (items);
- OS.GCHandle_Free (thickness);
-}
-
-int topHandle () {
- return parentingHandle;
-}
-} \ No newline at end of file