* IMPORTANT: This class is not intended to be subclassed. *
*/ public class TreeItem extends Item { Tree parent; Image [] images; int itemCount; int stringList, imageList, foregroundList, backgroundList, fontList, checkState; boolean checked, grayed, cached, ignoreNotify; /** * Constructs a new instance of this class given its parent * (which must be aTree or a TreeItem)
* and a style value describing its behavior and appearance.
* The item is added to the end of the items maintained by its parent.
*
* The style value is either one of the style constants defined in
* class SWT which is applicable to instances of this
* class, or must be built by bitwise OR'ing together
* (that is, using the int "|" operator) two or more
* of those SWT style constants. The class description
* lists the style constants that are applicable to the class.
* Style bits are also inherited from superclasses.
*
Tree or a TreeItem),
* a style value describing its behavior and appearance, and the index
* at which to place it in the items maintained by its parent.
*
* The style value is either one of the style constants defined in
* class SWT which is applicable to instances of this
* class, or must be built by bitwise OR'ing together
* (that is, using the int "|" operator) two or more
* of those SWT style constants. The class description
* lists the style constants that are applicable to the class.
* Style bits are also inherited from superclasses.
*
Tree or a TreeItem)
* and a style value describing its behavior and appearance.
* The item is added to the end of the items maintained by its parent.
*
* The style value is either one of the style constants defined in
* class SWT which is applicable to instances of this
* class, or must be built by bitwise OR'ing together
* (that is, using the int "|" operator) two or more
* of those SWT style constants. The class description
* lists the style constants that are applicable to the class.
* Style bits are also inherited from superclasses.
*
Tree or a TreeItem),
* a style value describing its behavior and appearance, and the index
* at which to place it in the items maintained by its parent.
*
* The style value is either one of the style constants defined in
* class SWT which is applicable to instances of this
* class, or must be built by bitwise OR'ing together
* (that is, using the int "|" operator) two or more
* of those SWT style constants. The class description
* lists the style constants that are applicable to the class.
* Style bits are also inherited from superclasses.
*
SWT.VIRTUAL style,
* these attributes are requested again as needed.
*
* @param index the index of the item to clear
* @param all true if all child items of the indexed item should be
* cleared recursively, and false otherwise
*
* @exception IllegalArgumentException SWT.VIRTUAL style, these
* attributes are requested again as needed.
*
* @param all true if all child items should be cleared
* recursively, and false otherwise
*
* @exception SWTException true if the receiver is checked,
* and false otherwise. When the parent does not have
* the CHECK style, return false.
*
*
* @return the checked state
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public boolean getChecked () {
checkWidget ();
if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED);
if ((parent.style & SWT.CHECK) == 0) return false;
return checked;
}
/**
* Returns true if the receiver is expanded,
* and false otherwise.
*
*
* @return the expanded state
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public boolean getExpanded () {
checkWidget ();
return OS.TreeViewItem_IsExpanded (handle);
}
/**
* Returns the font that the receiver will use to paint textual information for this item.
*
* @return the receiver's font
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.0
*/
public Font getFont () {
checkWidget ();
if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED);
return parent.getFont ();
}
/**
* Returns the font that the receiver will use to paint textual information
* for the specified cell in this item.
*
* @param index the column index
* @return the receiver's font
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public Font getFont (int index) {
checkWidget ();
if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED);
return parent.getFont ();
}
/**
* Returns the foreground color that the receiver will use to draw.
*
* @return the receiver's foreground color
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 2.0
*
*/
public Color getForeground () {
checkWidget ();
if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED);
return parent.getForeground ();
}
/**
*
* Returns the foreground color at the given column index in the receiver.
*
* @param index the column index
* @return the foreground color
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public Color getForeground (int index) {
checkWidget ();
if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED);
return parent.getForeground ();
}
/**
* Returns true if the receiver is grayed,
* and false otherwise. When the parent does not have
* the CHECK style, return false.
*
*
* @return the grayed state of the checkbox
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public boolean getGrayed () {
checkWidget ();
if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED);
if ((parent.style & SWT.CHECK) == 0) return false;
return false;
}
/**
* 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
* - ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public TreeItem getItem (int index) {
checkWidget ();
if (index < 0 || index >= itemCount) error (SWT.ERROR_INVALID_RANGE);
if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED);
int items = OS.ItemsControl_Items (handle);
TreeItem item = parent.getItem (items, index, true);
OS.GCHandle_Free (items);
return item;
}
/**
* Returns the number of items contained in the receiver
* that are direct item children of the receiver.
*
* @return the number of items
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public int getItemCount () {
checkWidget ();
if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED);
return itemCount;
}
/**
* Returns a (possibly empty) array of TreeItems which
* are the direct item children of the receiver.
*
* 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.
*
*
* @return the receiver's items
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public TreeItem [] getItems () {
checkWidget ();
if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED);
int items = OS.ItemsControl_Items (handle);
TreeItem [] result = new TreeItem [itemCount];
for (int i = 0; i < result.length; i++) {
result [i] = parent.getItem (items, i, true);
}
OS.GCHandle_Free (items);
return result;
}
public Image getImage () {
checkWidget ();
return getImage (0);
}
/**
* Returns the image stored at the given column index in the receiver,
* or null if the image has not been set or if the column does not exist.
*
* @param index the column index
* @return the image stored at the given column index in the receiver
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public Image getImage (int index) {
checkWidget ();
if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED);
if (images != null) {
if (0 <= index && index < images.length) return images [index];
}
return null;
}
/**
* Returns a rectangle describing the size and location
* relative to its parent of an image at a column in the
* tree.
*
* @param index the index that specifies the column
* @return the receiver's bounding image rectangle
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public Rectangle getImageBounds (int index) {
checkWidget ();
if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED);
if (index != 0 && !(0 <= index && index < parent.columnCount)) return new Rectangle (0, 0, 0, 0);
int parentHandle = parent.topHandle ();
int part = findPart (index, Tree.IMAGE_PART_NAME);
int point = OS.gcnew_Point (0, 0);
if (point == 0) error (SWT.ERROR_NO_HANDLES);
int location = OS.UIElement_TranslatePoint (part, point, parentHandle);
int x = (int) OS.Point_X (location);
int y = (int) OS.Point_Y (location);
OS.GCHandle_Free (point);
OS.GCHandle_Free (location);
int width = (int) OS.FrameworkElement_ActualWidth (part);
int height = (int) OS.FrameworkElement_ActualHeight (part);
OS.GCHandle_Free (part);
return new Rectangle (x, y, width, height);
}
/**
* Returns the receiver's parent, which must be a Tree.
*
* @return the receiver's parent
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public Tree getParent () {
checkWidget ();
return parent;
}
/**
* Returns the receiver's parent item, which must be a
* TreeItem or null when the receiver is a
* root.
*
* @return the receiver's parent item
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public TreeItem getParentItem () {
checkWidget ();
int parentItem = OS.FrameworkElement_Parent (handle);
TreeItem result = null;
if (!OS.Object_Equals (parentItem, parent.handle)) {
result = (TreeItem) display.getWidget (parentItem);
}
OS.GCHandle_Free (parentItem);
return result;
}
public Rectangle getTextBounds (int index) {
checkWidget ();
if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED);
if (index != 0 && !(0 <= index && index < parent.columnCount)) return new Rectangle (0, 0, 0, 0);
int parentHandle = parent.topHandle ();
int part = findPart (index, Tree.TEXT_PART_NAME);
int point = OS.gcnew_Point (0, 0);
if (point == 0) error (SWT.ERROR_NO_HANDLES);
int location = OS.UIElement_TranslatePoint (part, point, parentHandle);
int x = (int) OS.Point_X (location);
int y = (int) OS.Point_Y (location);
OS.GCHandle_Free (point);
OS.GCHandle_Free (location);
int width = (int) OS.FrameworkElement_ActualWidth (part);
int height = (int) OS.FrameworkElement_ActualHeight (part);
OS.GCHandle_Free (part);
return new Rectangle (x, y, width, height);
}
public String getText () {
checkWidget ();
return getText (0);
}
/**
* Returns the text stored at the given column index in the receiver,
* or empty string if the text has not been set.
*
* @param index the column index
* @return the text stored at the given column index in the receiver
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public String getText (int index) {
checkWidget ();
if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED);
if (stringList != 0) {
if (0 <= index && index < OS.ArrayList_Count (stringList)) {
int ptr = OS.ArrayList_default (stringList, index);
String result = createJavaString (ptr);
OS.GCHandle_Free (ptr);
return result;
}
}
return "";
}
Control getWidgetControl () {
return parent;
}
/**
* 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
* - ERROR_NULL_ARGUMENT - if the tool item is null
* - ERROR_INVALID_ARGUMENT - if the tool item has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public int indexOf (TreeItem item) {
checkWidget ();
if (item == null) error (SWT.ERROR_NULL_ARGUMENT);
if (item.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT);
int items = OS.ItemsControl_Items (handle);
int index = OS.ItemCollection_IndexOf(items, item.handle);
OS.GCHandle_Free (items);
return index;
}
void register () {
display.addWidget (handle, this);
}
void releaseChildren (boolean destroy) {
int items = OS.ItemsControl_Items (handle);
for (int i=0; i
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public void removeAll () {
checkWidget ();
int items = OS.ItemsControl_Items (handle);
for (int i = 0; i < itemCount; i++) {
TreeItem item = parent.getItem (items, i, false);
if (item != null && !item.isDisposed ()) item.release (false);
}
parent.ignoreSelection = true;
OS.ItemCollection_Clear (items);
parent.ignoreSelection = false;
OS.GCHandle_Free (items);
}
/**
* Sets the receiver's background color to the color specified
* by the argument, or to the default system color for the item
* if the argument is null.
*
* @param color the new color (or null)
*
* @exception IllegalArgumentException
* - ERROR_INVALID_ARGUMENT - if the argument has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 2.0
*
*/
public void setBackground (Color color) {
checkWidget ();
if (color != null && color.isDisposed ()) {
SWT.error (SWT.ERROR_INVALID_ARGUMENT);
}
//TODO
if ((parent.style & SWT.VIRTUAL) != 0) cached = true;
}
/**
* Sets the background color at the given column index in the receiver
* to the color specified by the argument, or to the default system color for the item
* if the argument is null.
*
* @param index the column index
* @param color the new color (or null)
*
* @exception IllegalArgumentException
* - ERROR_INVALID_ARGUMENT - if the argument has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*
*/
public void setBackground (int index, Color color) {
checkWidget ();
if (color != null && color.isDisposed ()) {
SWT.error (SWT.ERROR_INVALID_ARGUMENT);
}
int count = Math.max (1, parent.getColumnCount ());
if (0 > index || index > count - 1) return;
//TODO
if ((parent.style & SWT.VIRTUAL) != 0) cached = true;
}
/**
* Sets the checked state of the receiver.
*
*
* @param checked the new checked state
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setChecked (boolean checked) {
checkWidget ();
if ((parent.style & SWT.CHECK) == 0) return;
if (this.checked == checked) return;
this.checked = checked;
if ((parent.style & SWT.VIRTUAL) != 0) cached = true;
updateCheckState (true);
}
/**
* Sets the expanded state of the receiver.
*
*
* @param expanded the new expanded state
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setExpanded (boolean expanded) {
checkWidget ();
OS.TreeViewItem_IsExpanded (handle, expanded);
}
/**
* Sets the font that the receiver will use to paint textual information
* for this item to the font specified by the argument, or to the default font
* for that kind of control if the argument is null.
*
* @param font the new font (or null)
*
* @exception IllegalArgumentException
* - ERROR_INVALID_ARGUMENT - if the argument has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.0
*/
public void setFont (Font font){
checkWidget ();
if (font != null && font.isDisposed ()) {
SWT.error (SWT.ERROR_INVALID_ARGUMENT);
}
//TODO
if ((parent.style & SWT.VIRTUAL) != 0) cached = true;
}
/**
* Sets the font that the receiver will use to paint textual information
* for the specified cell in this item to the font specified by the
* argument, or to the default font for that kind of control if the
* argument is null.
*
* @param index the column index
* @param font the new font (or null)
*
* @exception IllegalArgumentException
* - ERROR_INVALID_ARGUMENT - if the argument has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public void setFont (int index, Font font) {
checkWidget ();
if (font != null && font.isDisposed ()) {
SWT.error (SWT.ERROR_INVALID_ARGUMENT);
}
int count = Math.max (1, parent.getColumnCount ());
if (0 > index || index > count - 1) return;
//TODO
if ((parent.style & SWT.VIRTUAL) != 0) cached = true;
}
/**
* Sets the receiver's foreground color to the color specified
* by the argument, or to the default system color for the item
* if the argument is null.
*
* @param color the new color (or null)
*
* @since 2.0
*
* @exception IllegalArgumentException
* - ERROR_INVALID_ARGUMENT - if the argument has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 2.0
*
*/
public void setForeground (Color color) {
checkWidget ();
if (color != null && color.isDisposed ()) {
SWT.error (SWT.ERROR_INVALID_ARGUMENT);
}
//TODO
if ((parent.style & SWT.VIRTUAL) != 0) cached = true;
}
/**
* Sets the foreground color at the given column index in the receiver
* to the color specified by the argument, or to the default system color for the item
* if the argument is null.
*
* @param index the column index
* @param color the new color (or null)
*
* @exception IllegalArgumentException
* - ERROR_INVALID_ARGUMENT - if the argument has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*
*/
public void setForeground (int index, Color color){
checkWidget ();
if (color != null && color.isDisposed ()) {
SWT.error (SWT.ERROR_INVALID_ARGUMENT);
}
int count = Math.max (1, parent.getColumnCount ());
if (0 > index || index > count - 1) return;
//TODO
if ((parent.style & SWT.VIRTUAL) != 0) cached = true;
}
/**
* Sets the grayed state of the checkbox for this item. This state change
* only applies if the Tree was created with the SWT.CHECK style.
*
* @param grayed the new grayed state of the checkbox
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setGrayed (boolean grayed) {
checkWidget ();
if ((parent.style & SWT.CHECK) == 0) return;
if (this.grayed == grayed) return;
this.grayed = grayed;
if ((parent.style & SWT.VIRTUAL) != 0) cached = true;
updateCheckState (true);
}
/**
* Sets the image for multiple columns in the tree.
*
* @param images the array of new images
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the array of images is null
* - ERROR_INVALID_ARGUMENT - if one of the images has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public void setImage (Image [] images) {
checkWidget ();
if (images == null) error (SWT.ERROR_NULL_ARGUMENT);
for (int i=0; i
* ERROR_INVALID_ARGUMENT - if the image has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public void setImage (int index, Image image) {
checkWidget();
if (image != null && image.isDisposed ()) {
error(SWT.ERROR_INVALID_ARGUMENT);
}
int count = Math.max (1, parent.getColumnCount ());
if (0 > index || index > count - 1) return;
if (images == null) {
images = new Image [count];
}
images [index] = image;
if ((parent.style & SWT.VIRTUAL) != 0) cached = true;
if (imageList == 0) {
imageList = OS.gcnew_ArrayList (count);
for (int i = 0; i < count; i++) {
OS.ArrayList_Insert (imageList, i, 0);
}
}
int imageHandle = image != null ? image.handle : 0;
OS.ArrayList_default (imageList, index, imageHandle);
if (ignoreNotify) return;
int row;
if (parent.columnCount != 0) {
int header = OS.HeaderedItemsControl_Header (handle);
row = OS.GridViewRowPresenter_Content (header);
OS.GCHandle_Free (header);
} else {
row = OS.HeaderedItemsControl_Header (handle);
}
OS.SWTRow_NotifyPropertyChanged (row, Tree.IMAGE_NOTIFY);
OS.GCHandle_Free (row);
}
public void setImage (Image image) {
checkWidget ();
setImage (0, image);
}
/**
* Sets the number of child items contained in the receiver.
*
* @param count the number of items
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.2
*/
public void setItemCount (int count) {
checkWidget ();
parent.setItemCount (this, count);
}
/**
* Sets the text for multiple columns in the tree.
*
* @param strings the array of new strings
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the text is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public void setText (String [] strings) {
checkWidget ();
if (strings == null) error (SWT.ERROR_NULL_ARGUMENT);
for (int i=0; i
* ERROR_NULL_ARGUMENT - if the text is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public void setText (int index, String string) {
checkWidget ();
if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
int count = Math.max(1, parent.getColumnCount ());
if (0 > index || index > count - 1) return;
if ((parent.style & SWT.VIRTUAL) != 0) cached = true;
if (stringList == 0) {
stringList = OS.gcnew_ArrayList (count);
for (int i = 0; i < count; i++) {
OS.ArrayList_Insert (stringList, i, 0);
}
}
int str = createDotNetString (string, false);
OS.ArrayList_default (stringList, index, str);
OS.GCHandle_Free (str);
if (ignoreNotify) return;
int row;
if (parent.columnCount != 0) {
int header = OS.HeaderedItemsControl_Header (handle);
row = OS.GridViewRowPresenter_Content (header);
OS.GCHandle_Free (header);
} else {
row = OS.HeaderedItemsControl_Header (handle);
}
OS.SWTRow_NotifyPropertyChanged (row, Tree.TEXT_NOTIFY);
OS.GCHandle_Free (row);
}
public void setText (String string) {
checkWidget ();
setText (0, string);
}
void updateCheckState (boolean notify) {
if ((parent.style & SWT.CHECK) == 0) return;
if (checkState != 0) OS.GCHandle_Free (checkState);
if (checked) {
checkState = grayed ? OS.gcnew_IntPtr (2) : OS.gcnew_IntPtr (1);
} else {
checkState = OS.gcnew_IntPtr (0);
}
if (notify) {
int row;
if (parent.columnCount != 0) {
int header = OS.HeaderedItemsControl_Header (handle);
row = OS.GridViewRowPresenter_Content (header);
OS.GCHandle_Free (header);
} else {
row = OS.HeaderedItemsControl_Header (handle);
}
parent.ignoreSelection = true;
OS.SWTRow_NotifyPropertyChanged (row, Table.CHECK_NOTIFY);
parent.ignoreSelection = false;
OS.GCHandle_Free (row);
}
}
}