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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ExpandBar.java')
-rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ExpandBar.java | 459 |
1 files changed, 0 insertions, 459 deletions
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 deleted file mode 100644 index b6cfac15bc..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ExpandBar.java +++ /dev/null @@ -1,459 +0,0 @@ -/******************************************************************************* - * 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; -} -}
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