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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/TreeItem.java')
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/TreeItem.java | 1435 |
1 files changed, 0 insertions, 1435 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/TreeItem.java b/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/TreeItem.java deleted file mode 100644 index 2027e55e11..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/TreeItem.java +++ /dev/null @@ -1,1435 +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.carbon.DataBrowserCallbacks; -import org.eclipse.swt.internal.carbon.OS; -import org.eclipse.swt.internal.carbon.Rect; - -import org.eclipse.swt.*; -import org.eclipse.swt.graphics.*; - -/** - * Instances of this class represent a selectable user interface object - * that represents a hierarchy of tree items in a tree widget. - * - * <dl> - * <dt><b>Styles:</b></dt> - * <dd>(none)</dd> - * <dt><b>Events:</b></dt> - * <dd>(none)</dd> - * </dl> - * <p> - * IMPORTANT: This class is <em>not</em> intended to be subclassed. - * </p> - * - * @see <a href="http://www.eclipse.org/swt/snippets/#tree">Tree, TreeItem, TreeColumn snippets</a> - * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> - * @noextend This class is not intended to be subclassed by clients. - */ -public class TreeItem extends Item { - Tree parent; - TreeItem parentItem; - String [] strings; - Image [] images; - boolean checked, grayed, cached; - Color foreground, background; - Color[] cellForeground, cellBackground; - Font font; - Font[] cellFont; - int id, width = -1; - int itemCount = 0; - int [] childIds; - -/** - * Constructs a new instance of this class given its parent - * (which must be a <code>Tree</code> or a <code>TreeItem</code>) - * and a style value describing its behavior and appearance. - * The item is added to the end of the items maintained by its parent. - * <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 tree 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 - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public TreeItem (Tree parent, int style) { - this (checkNull (parent), null, style, -1, true); -} - -/** - * Constructs a new instance of this class given its parent - * (which must be a <code>Tree</code> or a <code>TreeItem</code>), - * a style value describing its behavior and appearance, and the index - * at which to place it in the items maintained by its parent. - * <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 tree control which will be the parent of the new instance (cannot be null) - * @param style the style of control to construct - * @param index the zero-relative index to store the receiver in its parent - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> - * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</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 - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public TreeItem (Tree parent, int style, int index) { - this (checkNull (parent), null, style, checkIndex (index), true); -} - -/** - * Constructs a new instance of this class given its parent - * (which must be a <code>Tree</code> or a <code>TreeItem</code>) - * and a style value describing its behavior and appearance. - * The item is added to the end of the items maintained by its parent. - * <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 parentItem a tree 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 - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public TreeItem (TreeItem parentItem, int style) { - this (checkNull (parentItem).parent, parentItem, style, -1, true); -} - -/** - * Constructs a new instance of this class given its parent - * (which must be a <code>Tree</code> or a <code>TreeItem</code>), - * a style value describing its behavior and appearance, and the index - * at which to place it in the items maintained by its parent. - * <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 parentItem a tree control which will be the parent of the new instance (cannot be null) - * @param style the style of control to construct - * @param index the zero-relative index to store the receiver in its parent - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> - * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</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 - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public TreeItem (TreeItem parentItem, int style, int index) { - this (checkNull (parentItem).parent, parentItem, style, checkIndex (index), true); -} - -TreeItem (Tree parent, TreeItem parentItem, int style, int index, boolean create) { - super (parent, style); - this.parent = parent; - this.parentItem = parentItem; - if (create) parent.createItem (this, parentItem, index); -} - -boolean _getExpanded () { - int [] state = new int [1]; - OS.GetDataBrowserItemState (parent.handle, id, state); - return (state [0] & OS.kDataBrowserContainerIsOpen) != 0; -} - -static TreeItem checkNull (TreeItem item) { - if (item == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); - return item; -} - -static Tree checkNull (Tree parent) { - if (parent == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); - return parent; -} - -static int checkIndex (int index) { - if (index < 0) SWT.error (SWT.ERROR_INVALID_RANGE); - return index; -} - -int calculateWidth (int index, GC gc) { - if (index == 0 && width != -1) return width; - int width = 0; - Image image = index == 0 ? this.image : (images == null ? null : images [index]); - String text = index == 0 ? this.text : (strings == null ? "" : strings [index]); - Font font = null; - if (cellFont != null) font = cellFont[index]; - if (font == null) font = this.font; - if (font == null) font = parent.getFont(); - gc.setFont (font); - if (image != null) width += image.getBounds ().width + parent.getGap (); - if (text != null && text.length () > 0) width += gc.stringExtent (text).x; - boolean sendMeasure = true; - if ((parent.style & SWT.VIRTUAL) != 0) { - sendMeasure = cached; - } - if (sendMeasure && parent.hooks (SWT.MeasureItem)) { - Event event = new Event (); - event.item = this; - event.index = index; - event.gc = gc; - short [] height = new short [1]; - OS.GetDataBrowserTableViewRowHeight (parent.handle, height); - event.width = width; - event.height = height [0]; - parent.sendEvent (SWT.MeasureItem, event); - if (height [0] < event.height) { - OS.SetDataBrowserTableViewRowHeight (parent.handle, (short) event.height); - redrawWidget (parent.handle, false); - } - width = event.width; - } - if (index == 0) this.width = width; - return width; -} - -protected void checkSubclass () { - if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); -} - -void clear () { - cached = false; - text = ""; - image = null; - strings = null; - images = null; - checked = grayed = false; - foreground = background = null; - cellForeground = cellBackground = null; - font = null; - cellFont = null; -} - -/** - * Clears the item at the given zero-relative index in the receiver. - * The text, icon and other attributes of the item are set to the default - * value. If the tree was created with the <code>SWT.VIRTUAL</code> style, - * these attributes are requested again as needed. - * - * @param index the index of the item to clear - * @param all <code>true</code> if all child items of the indexed item should be - * cleared recursively, and <code>false</code> otherwise - * - * @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> - * - * @see SWT#VIRTUAL - * @see SWT#SetData - * - * @since 3.2 - */ -public void clear (int index, boolean all) { - checkWidget (); - int count = parent.getItemCount (this); - if (index < 0 || index >= count) SWT.error (SWT.ERROR_INVALID_RANGE); - parent.clear (this, index, all); -} - - -/** - * Clears all the items in the receiver. The text, icon and other - * attributes of the items are set to their default values. If the - * tree was created with the <code>SWT.VIRTUAL</code> style, these - * attributes are requested again as needed. - * - * @param all <code>true</code> if all child items should be cleared - * recursively, and <code>false</code> otherwise - * - * @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 SWT#VIRTUAL - * @see SWT#SetData - * - * @since 3.2 - */ -public void clearAll (boolean all) { - checkWidget (); - parent.clearAll (this, all); -} - -void destroyWidget () { - //TEMPORARY CODE -// parent.releaseItem (this, false); - parent.destroyItem (this); - releaseHandle (); -} - -/** - * Returns the receiver's background color. - * - * @return the background color - * - * @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> - * - * @since 2.0 - * - */ -public Color getBackground () { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - return background != null ? background : parent.getBackground (); -} - -/** - * Returns the background color at the given column index in the receiver. - * - * @param index the column index - * @return the background color - * - * @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> - * - * @since 3.1 - */ -public Color getBackground (int index) { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - int count = Math.max (1, parent.columnCount); - if (0 > index || index > count -1) return getBackground (); - if (cellBackground == null || cellBackground [index] == null) return getBackground (); - return cellBackground [index]; -} - -/** - * Returns a rectangle describing the receiver's size and location - * relative to its parent. - * - * @return the receiver's bounding rectangle - * - * @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 Rectangle getBounds () { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - Rect rect = new Rect(); - int columnId = parent.columnCount == 0 ? parent.column_id : parent.columns [0].id; - if (OS.GetDataBrowserItemPartBounds (parent.handle, id, columnId, OS.kDataBrowserPropertyContentPart, rect) != OS.noErr) { - return new Rectangle (0, 0, 0, 0); - } - int x = rect.left, y = rect.top; - int width = 0; - if (image != null) { - Rectangle bounds = image.getBounds (); - x += bounds.width + parent.getGap (); - } - GC gc = new GC (parent); - Point extent = gc.stringExtent (text); - gc.dispose (); - width += extent.x; - if (parent.columnCount > 0) { - width = Math.min (width, rect.right - x); - } - int height = rect.bottom - rect.top; - return new Rectangle (x, y, width, height); -} - -/** - * Returns a rectangle describing the receiver's size and location - * relative to its parent at a column in the tree. - * - * @param index the index that specifies the column - * @return the receiver's bounding column rectangle - * - * @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> - * - * @since 3.1 - */ -public Rectangle getBounds (int index) { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - if (index != 0 && !(0 <= index && index < parent.columnCount)) return new Rectangle (0, 0, 0, 0); - Rect rect = new Rect(); - int columnId = parent.columnCount == 0 ? parent.column_id : parent.columns [index].id; - if (OS.GetDataBrowserItemPartBounds (parent.handle, id, columnId, OS.kDataBrowserPropertyEnclosingPart, rect) != OS.noErr) { - return new Rectangle (0, 0, 0, 0); - } - int[] disclosure = new int [1]; - OS.GetDataBrowserListViewDisclosureColumn (parent.handle, disclosure, new boolean [1]); - int x, y, width, height; - if (OS.VERSION >= 0x1040 && disclosure [0] != columnId) { - if (parent.getLinesVisible ()) { - rect.left += Tree.GRID_WIDTH; - rect.top += Tree.GRID_WIDTH; - } - x = rect.left; - y = rect.top; - width = rect.right - rect.left; - height = rect.bottom - rect.top; - } else { - Rect rect2 = new Rect(); - if (OS.GetDataBrowserItemPartBounds (parent.handle, id, columnId, OS.kDataBrowserPropertyContentPart, rect2) != OS.noErr) { - return new Rectangle (0, 0, 0, 0); - } - x = rect2.left; - y = rect2.top; - width = rect.right - rect2.left + 1; - height = rect2.bottom - rect2.top + 1; - } - return new Rectangle (x, y, width, height); -} - -/** - * Returns <code>true</code> if the receiver is checked, - * and false otherwise. When the parent does not have - * the <code>CHECK style, return false. - * <p> - * - * @return the checked state - * - * @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 boolean getChecked () { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - if ((parent.style & SWT.CHECK) == 0) return false; - return checked; -} - -/** - * Returns <code>true</code> if the receiver is expanded, - * and false otherwise. - * <p> - * - * @return the expanded state - * - * @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 boolean getExpanded () { - checkWidget (); - return (state & EXPANDING) != 0 ? false : _getExpanded (); -} - -/** - * Returns the font that the receiver will use to paint textual information for this item. - * - * @return the receiver's font - * - * @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> - * - * @since 3.0 - */ -public Font getFont () { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - return font != null ? font : 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 <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> - * - * @since 3.1 - */ -public Font getFont (int index) { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - int count = Math.max (1, parent.columnCount); - if (0 > index || index > count -1) return getFont (); - if (cellFont == null || cellFont [index] == null) return getFont (); - return cellFont [index]; -} - -/** - * Returns the foreground color that the receiver will use to draw. - * - * @return the receiver's foreground color - * - * @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> - * - * @since 2.0 - * - */ -public Color getForeground () { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - return foreground != null ? foreground : 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 <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> - * - * @since 3.1 - */ -public Color getForeground (int index) { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - int count = Math.max (1, parent.columnCount); - if (0 > index || index > count -1) return getForeground (); - if (cellForeground == null || cellForeground [index] == null) return getForeground (); - return cellForeground [index]; -} - -/** - * Returns <code>true</code> if the receiver is grayed, - * and false otherwise. When the parent does not have - * the <code>CHECK style, return false. - * <p> - * - * @return the grayed state of the checkbox - * - * @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 boolean getGrayed () { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - if ((parent.style & SWT.CHECK) == 0) return false; - return grayed; -} - -public Image getImage () { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - return super.getImage (); -} - -/** - * 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 <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> - * - * @since 3.1 - */ -public Image getImage (int index) { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - if (index == 0) return getImage (); - 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 <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> - * - * @since 3.1 - */ -public Rectangle getImageBounds (int index) { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - if (index != 0 && !(0 <= index && index < parent.columnCount)) return new Rectangle (0, 0, 0, 0); - Rect rect = new Rect(); - int columnId = parent.columnCount == 0 ? parent.column_id : parent.columns [index].id; - if (OS.GetDataBrowserItemPartBounds (parent.handle, id, columnId, OS.kDataBrowserPropertyContentPart, rect) != OS.noErr) { - return new Rectangle (0, 0, 0, 0); - } - int x = rect.left, y = rect.top; - int width = 0; - if (index == 0 && image != null) { - Rectangle bounds = image.getBounds (); - width += bounds.width; - } - if (index != 0 && images != null && images[index] != null) { - Rectangle bounds = images [index].getBounds (); - width += bounds.width; - } - int height = rect.bottom - rect.top + 1; - return new Rectangle (x, y, width, height); -} - -/** - * 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> - * - * @since 3.1 - */ -public TreeItem getItem (int index) { - checkWidget (); - if (index < 0) error (SWT.ERROR_INVALID_RANGE); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - if (index >= itemCount) error (SWT.ERROR_INVALID_RANGE); - return parent._getItem (this, index); -} - -/** - * Returns the number of items contained in the receiver - * that are direct item children of 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 (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - return parent.getItemCount (this); -} - -/** - * Returns a (possibly empty) array of <code>TreeItem</code>s which - * are the direct item children of 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 receiver's 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 TreeItem [] getItems () { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - return parent.getItems (this); -} - -String getNameText () { - if ((parent.style & SWT.VIRTUAL) != 0) { - if (!cached) return "*virtual*"; //$NON-NLS-1$ - } - return super.getNameText (); -} - -/** - * Returns the receiver's parent, which must be a <code>Tree</code>. - * - * @return the receiver's parent - * - * @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 Tree getParent () { - checkWidget (); - return parent; -} - -/** - * Returns the receiver's parent item, which must be a - * <code>TreeItem</code> or null when the receiver is a - * root. - * - * @return the receiver's parent 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 TreeItem getParentItem () { - checkWidget (); - return parentItem; -} - -public String getText () { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - return super.getText (); -} - -/** - * 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 <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> - * - * @since 3.1 - */ -public String getText (int index) { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - if (index == 0) return getText (); - if (strings != null) { - if (0 <= index && index < strings.length) { - String string = strings [index]; - return string != null ? string : ""; - } - } - return ""; -} - -/** - * Returns a rectangle describing the size and location - * relative to its parent of the text at a column in the - * tree. - * - * @param index the index that specifies the column - * @return the receiver's bounding text rectangle - * - * @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> - * - * @since 3.3 - */ -public Rectangle getTextBounds (int index) { - checkWidget (); - if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED); - if (index != 0 && !(0 <= index && index < parent.columnCount)) return new Rectangle (0, 0, 0, 0); - Rect rect = new Rect(); - int columnId = parent.columnCount == 0 ? parent.column_id : parent.columns [index].id; - if (OS.GetDataBrowserItemPartBounds (parent.handle, id, columnId, OS.kDataBrowserPropertyEnclosingPart, rect) != OS.noErr) { - return new Rectangle (0, 0, 0, 0); - } - int[] disclosure = new int [1]; - OS.GetDataBrowserListViewDisclosureColumn (parent.handle, disclosure, new boolean [1]); - int imageWidth = 0; - int margin = index == 0 ? 0 : parent.getInsetWidth (columnId, false) / 2; - Image image = getImage (index); - if (image != null) { - Rectangle bounds = image.getBounds (); - imageWidth = bounds.width + parent.getGap (); - } - int x, y, width, height; - if (OS.VERSION >= 0x1040 && disclosure [0] != columnId) { - if (parent.getLinesVisible ()) { - rect.left += Tree.GRID_WIDTH; - rect.top += Tree.GRID_WIDTH; - } - x = rect.left + imageWidth + margin; - y = rect.top; - width = Math.max (0, rect.right - rect.left - imageWidth - margin * 2);; - height = rect.bottom - rect.top; - } else { - Rect rect2 = new Rect(); - if (OS.GetDataBrowserItemPartBounds (parent.handle, id, columnId, OS.kDataBrowserPropertyContentPart, rect2) != OS.noErr) { - return new Rectangle (0, 0, 0, 0); - } - x = rect2.left + imageWidth + margin; - y = rect2.top; - width = Math.max (0, rect.right - rect2.left + 1 - imageWidth - margin * 2); - height = rect2.bottom - rect2.top + 1; - } - return new Rectangle (x, y, width, height); -} - -/** - * 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> - * - * @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); - if (item.parentItem != this) return -1; - return parent._indexOf (this, item); -} - -void redraw (int propertyID) { - if (parent.ignoreRedraw) return; - if (!getDrawing () && propertyID != Tree.CHECK_COLUMN_ID) return; - int parentHandle = parent.handle; - int parentID = parentItem == null ? OS.kDataBrowserNoItem : parentItem.id; - /* - * Feature in Carbon. Calling UpdateDataBrowserItems with kDataBrowserNoItem - * updates all columns associated with the items in the items array. This is - * much slower than updating the items array for a specific column. The fix - * is to give the specific column ids instead. - */ - DataBrowserCallbacks callbacks = new DataBrowserCallbacks (); - OS.GetDataBrowserCallbacks (parent.handle, callbacks); - callbacks.v1_itemCompareCallback = 0; - OS.SetDataBrowserCallbacks (parent.handle, callbacks); - int [] ids = new int [] {id}; - if (propertyID == OS.kDataBrowserNoItem) { - if ((parent.style & SWT.CHECK) != 0) { - OS.UpdateDataBrowserItems (parentHandle, parentID, ids.length, ids, OS.kDataBrowserItemNoProperty, Tree.CHECK_COLUMN_ID); - } - if (parent.columnCount == 0) { - OS.UpdateDataBrowserItems (parentHandle, parentID, ids.length, ids, OS.kDataBrowserItemNoProperty, parent.column_id); - } else { - for (int i=0; i<parent.columnCount; i++) { - OS.UpdateDataBrowserItems (parentHandle, parentID, ids.length, ids, OS.kDataBrowserItemNoProperty, parent.columns[i].id); - } - } - } else { - OS.UpdateDataBrowserItems (parentHandle, parentID, ids.length, ids, OS.kDataBrowserItemNoProperty, propertyID); - } - callbacks.v1_itemCompareCallback = display.itemCompareProc; - OS.SetDataBrowserCallbacks (parent.handle, callbacks); - /* - * Bug in the Macintosh. When the height of the row is smaller than the - * check box, the tail of the check mark draws outside of the item part - * bounds. This means it will not be redrawn when the item is unckeched. - * The fix is to redraw the area. - */ - if (propertyID == Tree.CHECK_COLUMN_ID) { - Rect rect = new Rect(); - if (OS.GetDataBrowserItemPartBounds (parentHandle, id, propertyID, OS.kDataBrowserPropertyEnclosingPart, rect) == OS.noErr) { - int x = rect.left; - int y = rect.top - 1; - int width = rect.right - rect.left; - int height = 1; - redrawWidget (parentHandle, x, y, width, height, false); - } - } -} - -void releaseChildren (boolean destroy) { - if (destroy) { - parent.releaseItems (childIds); - } - super.releaseChildren (destroy); -} - -void releaseHandle () { - super.releaseHandle (); - parentItem = null; - id = 0; - parent = null; -} - -void releaseWidget () { - super.releaseWidget (); - strings = null; - images = null; - background = foreground = null; - font = null; - cellBackground = cellForeground = null; - cellFont = null; -} - -/** - * Removes all of the items from the receiver. - * <p> - * @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> - * - * @since 3.1 - */ -public void removeAll () { - checkWidget (); - for (int i=itemCount - 1; i >= 0; i--) { - TreeItem item = parent._getItem (childIds [i], false); - if (item != null && !item.isDisposed ()) { - item.dispose (); - } - } -} - -/** - * 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 <ul> - * <li>ERROR_INVALID_ARGUMENT - if the argument 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> - * - * @since 2.0 - * - */ -public void setBackground (Color color) { - checkWidget (); - if (color != null && color.isDisposed ()) { - SWT.error (SWT.ERROR_INVALID_ARGUMENT); - } - Color oldColor = background; - if (oldColor == color) return; - background = color; - if (oldColor != null && oldColor.equals (color)) return; - cached = true; - redraw (OS.kDataBrowserNoItem); -} - -/** - * 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 <ul> - * <li>ERROR_INVALID_ARGUMENT - if the argument 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> - * - * @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.columnCount); - if (0 > index || index > count - 1) return; - if (cellBackground == null) { - if (color == null) return; - cellBackground = new Color [count]; - } - Color oldColor = cellBackground [index]; - if (oldColor == color) return; - cellBackground [index] = color; - if (oldColor != null && oldColor.equals (color)) return; - cached = true; - int columnId = parent.columnCount == 0 ? parent.column_id : parent.columns [index].id; - redraw (columnId); -} - -/** - * Sets the checked state of the receiver. - * <p> - * - * @param checked the new checked state - * - * @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 setChecked (boolean checked) { - checkWidget (); - if ((parent.style & SWT.CHECK) == 0) return; - if (this.checked == checked) return; - setChecked (checked, false); -} - -void setChecked (boolean checked, boolean notify) { - this.checked = checked; - cached = true; - redraw (Tree.CHECK_COLUMN_ID); - if (notify) { - Event event = new Event (); - event.item = this; - event.detail = SWT.CHECK; - parent.postEvent (SWT.Selection, event); - } -} - -/** - * Sets the expanded state of the receiver. - * <p> - * - * @param expanded the new expanded state - * - * @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 setExpanded (boolean expanded) { - checkWidget (); - if (expanded == getExpanded ()) return; - parent.ignoreExpand = true; - if (expanded) { - OS.OpenDataBrowserContainer (parent.handle, id); - } else { - OS.CloseDataBrowserContainer (parent.handle, id); - } - parent.ignoreExpand = false; - cached = true; - if (expanded) { - parent.setScrollWidth (false, childIds, false); - } else { - parent.setScrollWidth (true); - parent.fixScrollBar (); - } -} - -/** - * 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 <ul> - * <li>ERROR_INVALID_ARGUMENT - if the argument 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> - * - * @since 3.0 - */ -public void setFont (Font font) { - checkWidget (); - if (font != null && font.isDisposed ()) { - SWT.error (SWT.ERROR_INVALID_ARGUMENT); - } - Font oldFont = this.font; - if (oldFont == font) return; - this.font = font; - if (oldFont != null && oldFont.equals (font)) return; - cached = true; - redraw (OS.kDataBrowserNoItem); -} - -/** - * 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 <ul> - * <li>ERROR_INVALID_ARGUMENT - if the argument 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> - * - * @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.columnCount); - if (0 > index || index > count - 1) return; - if (cellFont == null) { - if (font == null) return; - cellFont = new Font [count]; - } - Font oldFont = cellFont [index]; - if (oldFont == font) return; - cellFont [index] = font; - if (oldFont != null && oldFont.equals (font)) return; - cached = true; - int columnId = parent.columnCount == 0 ? parent.column_id : parent.columns [index].id; - redraw (columnId); -} - -/** - * 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 <ul> - * <li>ERROR_INVALID_ARGUMENT - if the argument 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> - * - * @since 2.0 - * - */ -public void setForeground (Color color) { - checkWidget (); - if (color != null && color.isDisposed ()) { - SWT.error (SWT.ERROR_INVALID_ARGUMENT); - } - Color oldColor = this.foreground; - if (oldColor == color) return; - foreground = color; - if (oldColor != null && oldColor.equals (color)) return; - cached = true; - redraw (OS.kDataBrowserNoItem); -} - -/** - * 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 <ul> - * <li>ERROR_INVALID_ARGUMENT - if the argument 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> - * - * @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.columnCount); - if (0 > index || index > count - 1) return; - if (cellForeground == null) { - if (color == null) return; - cellForeground = new Color [count]; - } - Color oldColor = cellForeground [index]; - if (oldColor == color) return; - cellForeground [index] = color; - if (oldColor != null && oldColor.equals (color)) return; - cached = true; - int columnId = parent.columnCount == 0 ? parent.column_id : parent.columns [index].id; - redraw (columnId); -} - -/** - * 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 <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 setGrayed (boolean grayed) { - checkWidget (); - if ((parent.style & SWT.CHECK) == 0) return; - if (this.grayed == grayed) return; - this.grayed = grayed; - cached = true; - redraw (Tree.CHECK_COLUMN_ID); -} - -/** - * Sets the image for multiple columns in the tree. - * - * @param images the array of new images - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the array of images is null</li> - * <li>ERROR_INVALID_ARGUMENT - if one of the images 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> - * - * @since 3.1 - */ -public void setImage (Image [] images) { - checkWidget (); - if (images == null) error (SWT.ERROR_NULL_ARGUMENT); - for (int i=0; i<images.length; i++) { - setImage (i, images [i]); - } -} - -/** - * Sets the receiver's image at a column. - * - * @param index the column index - * @param image the new image - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_ARGUMENT - if the image 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> - * - * @since 3.1 - */ -public void setImage (int index, Image image) { - checkWidget (); - if (image != null && image.isDisposed ()) { - error(SWT.ERROR_INVALID_ARGUMENT); - } - if (parent.imageBounds == null && image != null) { - parent.setItemHeight (image); - } - if (index == 0) { - if (image != null && image.type == SWT.ICON) { - if (image.equals (this.image)) return; - } - width = -1; - super.setImage (image); - } - int count = Math.max (1, parent.columnCount); - if (0 <= index && index < count) { - if (images == null) images = new Image [count]; - if (image != null && image.type == SWT.ICON) { - if (image.equals (images [index])) return; - } - images [index] = image; - } - cached = true; - if (index == 0) parent.setScrollWidth (this); - if (0 <= index && index < count) { - int columnId = parent.columnCount == 0 ? parent.column_id : parent.columns [index].id; - redraw (columnId); - } -} - -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 <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> - * - * @since 3.2 - */ -public void setItemCount (int count) { - checkWidget (); - count = Math.max (0, count); - parent.setItemCount (this, count); -} - -/** - * Sets the text for multiple columns in the tree. - * - * @param strings the array of new strings - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the text 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> - * - * @since 3.1 - */ -public void setText (String [] strings) { - checkWidget (); - if (strings == null) error (SWT.ERROR_NULL_ARGUMENT); - for (int i=0; i<strings.length; i++) { - String string = strings [i]; - if (string != null) setText (i, string); - } -} - -/** - * Sets the receiver's text at a column - * - * @param index the column index - * @param string the new text - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the text 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> - * - * @since 3.1 - */ -public void setText (int index, String string) { - checkWidget (); - if (string == null) error (SWT.ERROR_NULL_ARGUMENT); - if (index == 0) { - if (string.equals (text)) return; - width = -1; - super.setText (string); - } - int count = Math.max (1, parent.columnCount); - if (0 <= index && index < count) { - if (strings == null) strings = new String [count]; - if (string.equals (strings [index])) return; - strings [index] = string; - } - cached = true; - if (index == 0) parent.setScrollWidth (this); - if (0 <= index && index < count) { - int columnId = parent.columnCount == 0 ? parent.column_id : parent.columns [index].id; - redraw (columnId); - } -} - -public void setText (String string) { - checkWidget (); - setText (0, string); -} - -} |