| package org.eclipse.swt.widgets;
|
|
|
| /*
|
| * Copyright (c) 2000, 2002 IBM Corp. All rights reserved. |
| * This file is made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html
|
| */
|
|
|
| import org.eclipse.swt.*;
|
| import org.eclipse.swt.internal.*;
|
| import org.eclipse.swt.internal.gtk.*;
|
| import org.eclipse.swt.graphics.*;
|
| 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> |
| */ |
| public class TableItem extends Item {
|
| Table parent;
|
|
|
| /** |
| * 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 index to store the receiver in its parent |
| * |
| * @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, int index) {
|
| super (parent, style);
|
| this.parent = parent;
|
| parent.createItem (this, index);
|
| }
|
|
|
| /** |
| * 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) {
|
| super (parent, style);
|
| this.parent = parent;
|
| parent.createItem (this, parent.getItemCount ());
|
| }
|
|
|
| /**
|
| * 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 ();
|
| Table parent = getParent();
|
| return parent.getBackground();
|
| }
|
|
|
| /**
|
| * 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();
|
| int CELL_SPACING = 1;
|
| int clist = parent.handle;
|
| int columnHandle = OS.GTK_CLIST_COLUMN (clist);
|
| columnHandle= columnHandle + index * GtkCListColumn.sizeof;
|
| GtkCListColumn column = new GtkCListColumn ();
|
| OS.memmove (column, columnHandle, GtkCListColumn.sizeof);
|
| int x = column.area_x + OS.GTK_CLIST_HOFFSET (clist);
|
| int width = column.area_width;
|
| int height = OS.GTK_CLIST_ROW_HEIGHT (clist);
|
| int row = parent.indexOf (this);
|
| int headerHeight = OS.GTK_CLIST_COLUMN_TITLE_AREA_HEIGHT (clist);
|
| int y = headerHeight + OS.GTK_CLIST_VOFFSET (clist) + (height + CELL_SPACING) * row + 3;
|
| 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.
|
| *
|
| * @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.style & SWT.CHECK) == 0) return false;
|
| int row = parent.indexOf (this);
|
| if (row == -1) return false;
|
| int clist = parent.handle;
|
| int [] pixmap = new int [1];
|
| OS.gtk_clist_get_pixtext (clist, row, 0, null, null, pixmap, null);
|
| return pixmap [0] == parent.check;
|
| }
|
|
|
| public Display getDisplay () {
|
| Table parent = this.parent;
|
| if (parent == null) error (SWT.ERROR_WIDGET_DISPOSED);
|
| return parent.getDisplay ();
|
| }
|
|
|
| /**
|
| * 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 ();
|
| Table parent = getParent();
|
| return parent.getForeground();
|
| }
|
|
|
| /** |
| * Returns <code>true</code> if the receiver is grayed, |
| * and false otherwise. When the parent does not have |
| * the <code>CHECK style, return false. |
| * |
| * @return the grayed 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 getGrayed () {
|
| checkWidget ();
|
| //NOT DONE
|
| if ((parent.style & SWT.CHECK) == 0) return false;
|
| return false;
|
| }
|
|
|
| /** |
| * 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 (index == 0) return getImage ();
|
| int row = parent.indexOf (this);
|
| if (row == -1) return null;
|
| int clist = parent.handle;
|
| int [] pixmap = new int [1], mask = new int [1];
|
| OS.gtk_clist_get_pixtext (clist, row, index, null, null, pixmap, null);
|
| if (pixmap [0] == 0) return null;
|
| Display display = getDisplay ();
|
| return Image.gtk_new (display, mask [0] == 0 ? SWT.BITMAP : SWT.ICON, pixmap [0], mask [0]);
|
| }
|
|
|
| /** |
| * Returns a rectangle describing the size and location |
| * relative to its parent of an image at a column in the |
| * table. |
| * |
| * @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 ();
|
| int CELL_SPACING = 1;
|
| int clist = parent.handle;
|
| int columnHandle = OS.GTK_CLIST_COLUMN (clist);
|
| columnHandle= columnHandle + index * GtkCListColumn.sizeof;
|
| GtkCListColumn column = new GtkCListColumn ();
|
| OS.memmove (column, columnHandle, GtkCListColumn.sizeof);
|
| int x = column.area_x + OS.GTK_CLIST_HOFFSET (clist) + 1;
|
| int height = OS.GTK_CLIST_ROW_HEIGHT (clist);
|
| int row = parent.indexOf (this);
|
| int headerHeight = OS.GTK_CLIST_COLUMN_TITLE_AREA_HEIGHT (clist);
|
| int y = headerHeight + OS.GTK_CLIST_VOFFSET (clist) + (height + CELL_SPACING) * row + 3;
|
| int width = 0;
|
| if (!(index == 0 && (parent.style & SWT.CHECK) != 0)) {
|
| int [] pixmap = new int [1];
|
| OS.gtk_clist_get_pixtext (clist, row, index, null, null, pixmap, null);
|
| if (pixmap [0] != 0) {
|
| int [] w = new int [1], h = new int [1];
|
| OS.gdk_drawable_get_size (pixmap [0], w, h);
|
| width = w [0];
|
| }
|
| }
|
| 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 ();
|
| /* Image indent is not supported on GTK */
|
| return 0;
|
| }
|
|
|
| /** |
| * 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 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> |
| * @exception SWTError <ul> |
| * <li>ERROR_CANNOT_GET_TEXT - if the column at index does not exist</li> |
| * </ul> |
| */ |
| public String getText (int index) {
|
| checkWidget ();
|
| if (index == 0) return getText ();
|
| int row = parent.indexOf (this);
|
| if (row == -1) error (SWT.ERROR_CANNOT_GET_TEXT);
|
| int clist = parent.handle;
|
| int [] address = new int [1];
|
| int [] pixmap = new int [1];
|
| OS.gtk_clist_get_pixtext (clist, row, index, address, null, pixmap, null);
|
| if (pixmap [0] == 0) {
|
| OS.gtk_clist_get_text (clist, row, index, address);
|
| }
|
| if (address [0] == 0) return "";
|
| byte [] buffer = new byte [OS.strlen (address [0])];
|
| OS.memmove (buffer, address [0], buffer.length);
|
| return new String (Converter.mbcsToWcs (null, buffer));
|
| }
|
|
|
| void releaseChild () {
|
| super.releaseChild ();
|
| parent.destroyItem (this);
|
| }
|
|
|
| void releaseWidget () {
|
| super.releaseWidget ();
|
| parent = 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);
|
| }
|
| int row = parent.indexOf (this);
|
| if (row == -1) return;
|
| int clist = parent.handle;
|
| OS.gtk_clist_set_background (clist, row, color != null ? color.handle : null);
|
| }
|
|
|
| /** |
| * Sets the checked state of the receiver. |
| * |
| * @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();
|
| int row = parent.indexOf (this);
|
| if (row == -1) return;
|
| int ctable = parent.handle;
|
| byte [] buffer = Converter.wcsToMbcs (null, text, true);
|
| int pixmap = checked ? parent.check : parent.uncheck;
|
| byte [] spacing = new byte [1];
|
| OS.gtk_clist_get_pixtext(ctable, row, 0, null, spacing, null, null);
|
| OS.gtk_clist_set_pixtext (ctable, row, 0, buffer, spacing [0], pixmap, 0);
|
| }
|
|
|
| /**
|
| * 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);
|
| }
|
| int row = parent.indexOf (this);
|
| if (row == -1) return;
|
| int clist = parent.handle;
|
| OS.gtk_clist_set_foreground (clist, row, color != null ? color.handle : null);
|
| }
|
|
|
| /** |
| * Sets the grayed state of the receiver. |
| * |
| * @param checked the new grayed 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 setGrayed (boolean grayed) {
|
| checkWidget();
|
| //NOT IMPLEMENTED
|
| }
|
|
|
| /** |
| * 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);
|
| }
|
| if (index == 0) {
|
| if ((parent.style & SWT.CHECK) != 0) return;
|
| super.setImage (image);
|
| }
|
| int row = parent.indexOf (this);
|
| if (row == -1) return;
|
| int clist = parent.handle;
|
| String string = getText (index);
|
| byte [] buffer = Converter.wcsToMbcs (null, string, true);
|
| if (image == null) {
|
| OS.gtk_clist_set_text (clist, row, index, buffer);
|
| } else {
|
| int pixmap = image.pixmap, mask = image.mask;
|
| byte [] spacing = new byte [] {2};
|
| // OS.gtk_clist_get_pixtext (clist, row, index, null, spacing, null, null);
|
| OS.gtk_clist_set_pixtext (clist, row, index, buffer, spacing [0], pixmap, mask);
|
| if (parent.imageHeight == 0) {
|
| int [] width = new int [1], height = new int [1];
|
| OS.gdk_drawable_get_size (pixmap, width, height);
|
| if (height [0] > OS.GTK_CLIST_ROW_HEIGHT (parent.handle)) {
|
| parent.imageHeight = height [0];
|
| OS.gtk_widget_realize (clist);
|
| OS.gtk_clist_set_row_height (clist, height [0]);
|
| }
|
| }
|
| }
|
| }
|
|
|
| public void setImage (Image image) {
|
| checkWidget ();
|
| setImage (0, image);
|
| }
|
|
|
| /** |
| * 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 image indent. |
| * |
| * @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> |
| */ |
| public void setImageIndent (int indent) {
|
| checkWidget ();
|
| /* Image indent is not supported on GTK */
|
| }
|
|
|
| /** |
| * 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);
|
| if (index == 0) {
|
| super.setText (string);
|
| }
|
| int row = parent.indexOf (this);
|
| if (row == -1) return;
|
| int clist = parent.handle;
|
| byte [] buffer = Converter.wcsToMbcs (null, string, true);
|
| byte [] spacing = new byte [1];
|
| int [] pixmap = new int [1], mask = new int [1];
|
| OS.gtk_clist_get_pixtext (clist, row, index, null, spacing, pixmap, mask);
|
| if (pixmap [0] == 0) {
|
| OS.gtk_clist_set_text (clist, row, index, buffer);
|
| } else {
|
| OS.gtk_clist_set_pixtext (clist, row, index, buffer, spacing [0], pixmap [0], mask [0]);
|
| }
|
| }
|
|
|
| public void setText (String string) {
|
| checkWidget ();
|
| setText (0, string);
|
| }
|
|
|
| /** |
| * 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);
|
| }
|
| }
|
|
|
| }
|