/******************************************************************************* * 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.*; /** * Instances of this class represent a selectable user interface object * that represents an item in a table. * <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/#table">Table, TableItem, TableColumn 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 TableItem extends Item { Table parent; Image [] images; String [] strings; Color [] cellBackground, cellForeground; Font [] cellFont; int rowHandle; boolean checked, grayed, cached; Color background, foreground; Font font; /** * Constructs a new instance of this class given its parent * (which must be a <code>Table</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 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 * @see Widget#checkSubclass * @see Widget#getStyle */ public TableItem (Table parent, int style) { this (parent, style, -1); } /** * Constructs a new instance of this class given its parent * (which must be a <code>Table</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 composite 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 TableItem (Table parent, int style, int index) { this (parent, style, index, 0); } TableItem (Table parent, int style, int index, int handle) { super (parent, style); this.parent = parent; this.handle = handle; if (handle == 0) { parent.createItem (this, index); } else { createWidget (); } } double computeWidth (int columnIndex) { int rowPresenterType = OS.GridViewRowPresenter_typeid (); double width = 0; if (rowHandle != 0) { int contentPresenter = OS.VisualTreeHelper_GetChild (rowHandle, columnIndex); int availSize = OS.gcnew_Size (0x7FFFFFFF,0x7FFFFFFF); OS.UIElement_Measure (contentPresenter, availSize); OS.GCHandle_Free (availSize); int size = OS.UIElement_DesiredSize (contentPresenter); width = OS.Size_Width (size); OS.GCHandle_Free (size); OS.GCHandle_Free (contentPresenter); } OS.GCHandle_Free (rowPresenterType); return width; } protected void checkSubclass () { if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); } void columnAdded (int index) { int newLength = parent.columnCount + 1; if (strings != null) { String [] temp = new String [newLength]; System.arraycopy (strings, 0, temp, 0, index); System.arraycopy (strings, index, temp, index + 1, parent.columnCount - index); strings = temp; } if (images != null) { Image [] temp = new Image [newLength]; System.arraycopy (images, 0, temp, 0, index); System.arraycopy (images, index, temp, index + 1, parent.columnCount - index); images = temp; } if (cellBackground != null) { Color [] temp = new Color [newLength]; System.arraycopy (cellBackground, 0, temp, 0, index); System.arraycopy (cellBackground, index, temp, index + 1, parent.columnCount - index); cellBackground = temp; } if (cellForeground != null) { Color [] temp = new Color [newLength]; System.arraycopy (cellForeground, 0, temp, 0, index); System.arraycopy (cellForeground, index, temp, index + 1, parent.columnCount - index); cellForeground = temp; } if (cellFont != null) { Font [] temp = new Font [newLength]; System.arraycopy (cellFont, 0, temp, 0, index); System.arraycopy (cellFont, index, temp, index + 1, parent.columnCount - index); cellFont = temp; } } void columnRemoved (int index) { if (strings != null) { String [] temp = new String [parent.columnCount]; System.arraycopy (strings, 0, temp, 0, index); System.arraycopy (strings, index + 1, temp, index, parent.columnCount - index); strings = temp; } if (images != null) { Image [] temp = new Image [parent.columnCount]; System.arraycopy (images, 0, temp, 0, index); System.arraycopy (images, index + 1, temp, index, parent.columnCount - index); images = temp; } if (cellBackground != null) { Color [] temp = new Color [parent.columnCount]; System.arraycopy (cellBackground, 0, temp, 0, index); System.arraycopy (cellBackground, index + 1, temp, index, parent.columnCount - index); cellBackground = temp; } if (cellForeground != null) { Color [] temp = new Color [parent.columnCount]; System.arraycopy (cellForeground, 0, temp, 0, index); System.arraycopy (cellForeground, index + 1, temp, index, parent.columnCount - index); cellForeground = temp; } if (cellFont != null) { Font [] temp = new Font [parent.columnCount]; System.arraycopy (cellFont, 0, temp, 0, index); System.arraycopy (cellFont, index + 1, temp, index, parent.columnCount - index); cellFont = temp; } } void createHandle () { if (handle == 0) { handle = OS.gcnew_ListViewItem (); if (handle == 0) error (SWT.ERROR_NO_HANDLES); } OS.Control_HorizontalContentAlignment (handle, OS.HorizontalAlignment_Stretch); OS.Control_VerticalContentAlignment (handle, OS.VerticalAlignment_Stretch); } void clear () { strings = null; images = null; checked = grayed = false; setFont (null); setForeground (null); setBackground (null); if ((parent.style & SWT.VIRTUAL) != 0) cached = false; updateCheck (); int columns = parent.columnCount == 0 ? 1 : parent.columnCount; for (int i = 0; i < columns; i++) { updateText (i); updateImage (i); updateBackground (i); updateForeground (i); updateFont (i); } if ((parent.style & SWT.VIRTUAL) != 0) cached = false; int part = findPart (0, Table.RENDER_PANEL_NAME); if (part != 0) OS.UIElement_InvalidateVisual (part); OS.GCHandle_Free (part); } void deregister () { display.removeWidget (handle); } void destroyWidget () { parent.destroyItem (this); releaseHandle (); } int findRowPresenter (int current, int rowPresenterType) { int type = OS.Object_GetType (current); boolean found = OS.Object_Equals (rowPresenterType, type); OS.GCHandle_Free (type); if (found) return current; int childCount = OS.VisualTreeHelper_GetChildrenCount (current); for (int i = 0; i < childCount; i++) { int child = OS.VisualTreeHelper_GetChild (current, i); int result = findRowPresenter (child, rowPresenterType); if (child != result) OS.GCHandle_Free (child); if (result != 0) return result; } return 0; } int findPart (int column, String partName) { if (rowHandle == 0) return 0; //not Loaded yet. updateLayout (rowHandle); int contentPresenter = OS.VisualTreeHelper_GetChild (rowHandle, column); if (contentPresenter == 0) return 0; int columnHandle; if (parent.columnCount == 0) { int columns = OS.GridView_Columns (parent.gridViewHandle); columnHandle = OS.GridViewColumnCollection_default (columns, column); OS.GCHandle_Free (columns); } else { columnHandle = parent.columns [column].handle; } int cellTemplate = OS.GridViewColumn_CellTemplate (columnHandle); int name = createDotNetString (partName, false); int result = OS.FrameworkTemplate_FindName (cellTemplate, name, contentPresenter); OS.GCHandle_Free (contentPresenter); if (parent.columnCount == 0) OS.GCHandle_Free (columnHandle); OS.GCHandle_Free (cellTemplate); OS.GCHandle_Free (name); return result; } /** * 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)) 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 3.0 */ public Color getBackground (int index) { checkWidget (); if (!parent.checkData (this)) 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 size and location of the receiver's * text relative to its parent. * * @return the bounding rectangle of the receiver's text * * @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 Rectangle getBounds () { checkWidget(); return getTextBounds (0); } /** * Returns a rectangle describing the receiver's size and location * relative to its parent at a column in the table. * * @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> */ public Rectangle getBounds (int index) { checkWidget(); if (index != 0 && !parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); if (!(0 <= index && index < parent.columnCount)) return new Rectangle (0, 0, 0, 0); int rowPresenterType = OS.GridViewRowPresenter_typeid (); int contentPresenter = OS.VisualTreeHelper_GetChild (rowHandle, index); int point = OS.gcnew_Point (0, 0); if (point == 0) error (SWT.ERROR_NO_HANDLES); int parentHandle = parent.topHandle (); int location = OS.UIElement_TranslatePoint (contentPresenter, point, parentHandle); int x = (int) OS.Point_X (location); int y = (int) OS.Point_Y (location); int width = (int) OS.FrameworkElement_ActualWidth (contentPresenter); int height = (int) OS.FrameworkElement_ActualHeight (handle); OS.GCHandle_Free (rowPresenterType); OS.GCHandle_Free (point); OS.GCHandle_Free (location); OS.GCHandle_Free (contentPresenter); 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</code> style, return false. * * @return the checked 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 getChecked () { checkWidget(); if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); if ((parent.style & SWT.CHECK) == 0) return false; return checked; } /** * 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)) 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 3.0 */ public Font getFont (int index) { checkWidget (); if (!parent.checkData (this)) 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)) 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 3.0 */ public Color getForeground (int index) { checkWidget (); if (!parent.checkData (this)) 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</code> style, return false. * * @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)) error (SWT.ERROR_WIDGET_DISPOSED); if ((parent.style & SWT.CHECK) == 0) return false; return grayed; } public Image getImage () { checkWidget (); if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); 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 <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 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 * table. An empty rectangle is returned if index exceeds * the index of the table's last column. * * @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> */ 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 image = findPart (index, Table.IMAGE_PART_NAME); int point = OS.gcnew_Point (0, 0); if (point == 0) error (SWT.ERROR_NO_HANDLES); int location = OS.UIElement_TranslatePoint (image, 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 (image); int height = (int) OS.FrameworkElement_ActualHeight (image); OS.GCHandle_Free (image); return new Rectangle (x, y, width, height); } /** * Gets the image indent. * * @return the indent * * @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 getImageIndent () { checkWidget (); if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); //TODO return 0; // return imageIndent; } 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>Table</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 Table getParent () { checkWidget (); return parent; } /** * Returns a rectangle describing the size and location * relative to its parent of the text at a column in the * table. An empty rectangle is returned if index exceeds * the index of the table's last column. * * @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)) 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 point = OS.gcnew_Point (0, 0); if (point == 0) error (SWT.ERROR_NO_HANDLES); int textBlock = findPart (index, Table.TEXT_PART_NAME); int renderPanel = findPart (index, Table.RENDER_PANEL_NAME); Rectangle result = new Rectangle (0, 0, 0, 0); if (textBlock != 0 && renderPanel != 0) { int location = OS.UIElement_TranslatePoint (textBlock, point, parentHandle); int x = (int) OS.Point_X (location); int y = (int) OS.Point_Y (location); OS.GCHandle_Free (location); double textWidth = OS.FrameworkElement_ActualWidth (textBlock); int panelLocation = OS.UIElement_TranslatePoint (textBlock, point, renderPanel); double visibleWidth = Math.max (0, OS.FrameworkElement_ActualWidth (renderPanel) - OS.Point_X (panelLocation)); OS.GCHandle_Free (panelLocation); int width = (int) Math.min (textWidth, visibleWidth); int height = (int) OS.FrameworkElement_ActualHeight (textBlock); result = new Rectangle (x, y, width, height); } OS.GCHandle_Free (point); if (textBlock != 0) OS.GCHandle_Free (textBlock); if (renderPanel != 0) OS.GCHandle_Free (renderPanel); return result; } public String getText () { checkWidget (); if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); 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 <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 String getText (int index) { checkWidget (); if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); if (strings != null && 0 <= index && index < strings.length) { return strings [index]!= null ? strings[index] : ""; } return ""; } Control getWidgetControl () { return parent; } void register () { display.addWidget (handle, this); } void releaseHandle () { super.releaseHandle (); if (handle != 0) OS.GCHandle_Free (handle); handle = 0; if (rowHandle != 0) OS.GCHandle_Free (rowHandle); rowHandle = 0; parent = null; } void releaseWidget () { super.releaseWidget (); strings = null; images = null; cellBackground = cellForeground = null; cellFont = null; } /** * 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); } if (color != null) { int brush = OS.gcnew_SolidColorBrush (color.handle); OS.Control_Background (handle, brush); OS.GCHandle_Free (brush); } else { int property = OS.Control_BackgroundProperty (); OS.DependencyObject_ClearValue (handle, property); OS.GCHandle_Free (property); } background = color; 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 <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 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; if (cellBackground == null) cellBackground = new Color [count]; cellBackground [index] = color; updateBackground (index); if ((parent.style & SWT.VIRTUAL) != 0) cached = true; } /** * Sets the checked state of the checkbox for this item. This state change * only applies if the Table was created with the SWT.CHECK style. * * @param checked the new checked 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 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; updateCheck (); } /** * 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); } if (font != null) { int family = OS.Typeface_FontFamily (font.handle); OS.Control_FontFamily (handle, family); OS.GCHandle_Free (family); int stretch = OS.Typeface_Stretch (font.handle); OS.Control_FontStretch (handle, stretch); OS.GCHandle_Free (stretch); int style = OS.Typeface_Style (font.handle); OS.Control_FontStyle (handle, style); OS.GCHandle_Free (style); int weight = OS.Typeface_Weight (font.handle); OS.Control_FontWeight (handle, weight); OS.GCHandle_Free (weight); OS.Control_FontSize (handle, font.size); } else { int property = OS.Control_FontFamilyProperty (); OS.DependencyObject_ClearValue (handle, property); OS.GCHandle_Free (property); property = OS. Control_FontStyleProperty (); OS.DependencyObject_ClearValue (handle, property); OS.GCHandle_Free (property); property = OS.Control_FontStretchProperty (); OS.DependencyObject_ClearValue (handle, property); OS.GCHandle_Free (property); property = OS.Control_FontWeightProperty (); OS.DependencyObject_ClearValue (handle, property); OS.GCHandle_Free (property); property = OS.Control_FontSizeProperty (); OS.DependencyObject_ClearValue (handle, property); OS.GCHandle_Free (property); } this.font = font; 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 <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 (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; 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; updateFont (index); 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) * * @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); } if (color != null) { int brush = OS.gcnew_SolidColorBrush (color.handle); OS.Control_Foreground (handle, brush); OS.GCHandle_Free (brush); } else { int property = OS.Control_ForegroundProperty (); OS.DependencyObject_ClearValue (handle, property); OS.GCHandle_Free (property); } foreground = color; 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 <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 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; if (cellForeground == null) cellForeground = new Color [count]; cellForeground [index] = color; updateForeground (index); 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 Table 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; if ((parent.style & SWT.VIRTUAL) != 0) cached = true; updateCheck (); } /** * Sets the image for multiple columns in the table. * * @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> */ 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> */ 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; updateImage (index); if ((parent.style & SWT.VIRTUAL) != 0) cached = true; } public void setImage (Image image) { checkWidget (); setImage (0, image); } /** * Sets the indent of the first column's image, expressed in terms of the image's width. * * @param indent the new indent * * </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> * * @deprecated this functionality is not supported on most platforms */ public void setImageIndent (int indent) { checkWidget (); } /** * Sets the text for multiple columns in the table. * * @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> */ 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> */ 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 (strings == null) strings = new String [count]; if ((parent.style & SWT.VIRTUAL) != 0) cached = true; strings [index] = string; updateText (index); } public void setText (String string) { checkWidget (); setText (0, string); } void updateBackground (int index) { int panel = findPart (index, Table.CONTENTPANEL_PART_NAME); if (panel != 0) { if (cellBackground != null && cellBackground [index] != null) { int brush = OS.gcnew_SolidColorBrush (cellBackground [index].handle); int current = OS.Panel_Background (panel); if (!OS.Object_Equals (brush, current)) OS.Panel_Background (panel, brush); OS.GCHandle_Free (current); OS.GCHandle_Free (brush); } else { int property = OS.Panel_BackgroundProperty (); OS.DependencyObject_ClearValue (panel, property); OS.GCHandle_Free (property); } OS.GCHandle_Free (panel); } } void updateCheck () { if ((parent.style & SWT.CHECK) == 0) return; int checkBox = findPart (0, Table.CHECKBOX_PART_NAME); if (checkBox != 0) { parent.ignoreSelection = true; if (!grayed) { OS.ToggleButton_IsChecked (checkBox, checked); } else { if (checked) OS.ToggleButton_IsCheckedNullSetter (checkBox); } parent.ignoreSelection = false; OS.GCHandle_Free (checkBox); } } void updateFont (int index) { int textBlock = findPart (index, Table.TEXT_PART_NAME); if (textBlock != 0) { Font font = cellFont != null ? cellFont [index] : null; if (font != null) { int family = OS.Typeface_FontFamily (font.handle); OS.TextBlock_FontFamily (textBlock, family); OS.GCHandle_Free (family); int stretch = OS.Typeface_Stretch (font.handle); OS.TextBlock_FontStretch (textBlock, stretch); OS.GCHandle_Free (stretch); int style = OS.Typeface_Style (font.handle); OS.TextBlock_FontStyle (textBlock, style); OS.GCHandle_Free (style); int weight = OS.Typeface_Weight (font.handle); OS.TextBlock_FontWeight (textBlock, weight); OS.GCHandle_Free (weight); OS.TextBlock_FontSize (textBlock, font.size); } else { int property = OS.TextBlock_FontFamilyProperty (); OS.DependencyObject_ClearValue (textBlock, property); OS.GCHandle_Free (property); property = OS.TextBlock_FontSizeProperty (); OS.DependencyObject_ClearValue (textBlock, property); OS.GCHandle_Free (property); property = OS.TextBlock_FontStretchProperty (); OS.DependencyObject_ClearValue (textBlock, property); OS.GCHandle_Free (property); property = OS.TextBlock_FontWeightProperty (); OS.DependencyObject_ClearValue (textBlock, property); OS.GCHandle_Free (property); property = OS.TextBlock_FontStyleProperty (); OS.DependencyObject_ClearValue (textBlock, property); OS.GCHandle_Free (property); } OS.GCHandle_Free (textBlock); } } void updateForeground (int index) { int textBlock = findPart (index, Table.TEXT_PART_NAME); if (textBlock != 0) { if (cellForeground != null && cellForeground [index] != null) { int brush = OS.gcnew_SolidColorBrush (cellForeground [index].handle); OS.TextBlock_Foreground (textBlock, brush); OS.GCHandle_Free (brush); } else { int property = OS.Control_ForegroundProperty (); OS.DependencyObject_ClearValue (textBlock, property); OS.GCHandle_Free (property); } OS.GCHandle_Free (textBlock); } } void updateImage (int index) { int img = findPart (index, Table.IMAGE_PART_NAME); if (img != 0) { int src = 0; if (images != null) src = images [index] != null ? images [index].handle : 0; int current = OS.Image_Source (img); OS.Image_Source (img, src); OS.GCHandle_Free (current); OS.GCHandle_Free (img); } } void updateText (int index) { int textBlock = findPart (index, Table.TEXT_PART_NAME); if (textBlock != 0) { if (strings != null && strings [index] != null) { int strPtr = createDotNetString (strings [index], false); OS.TextBlock_Text (textBlock, strPtr); OS.GCHandle_Free (strPtr); } else { int property = OS.TextBlock_TextProperty (); OS.DependencyObject_ClearValue (textBlock, property); OS.GCHandle_Free (property); } OS.GCHandle_Free (textBlock); } } }