/*******************************************************************************
* 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.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 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;
String [] strings;
Image [] images;
boolean checked, grayed, cached;
Color foreground, background;
Color[] cellForeground, cellBackground;
Font font;
Font[] cellFont;
int width = -1;
/**
* 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, checkNull (parent).getItemCount (), true);
}
/**
* 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, true);
}
TableItem (Table parent, int style, int index, boolean create) {
super (parent, style);
this.parent = parent;
if (create) parent.createItem (this, index);
}
static Table checkNull (Table control) {
if (control == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
return control;
}
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 () {
text = "";
image = null;
strings = null;
images = null;
checked = grayed = cached = false;
foreground = background = null;
cellForeground = cellBackground = null;
font = null;
cellFont = null;
width = -1;
}
void destroyWidget () {
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 3.0
*/
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 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 ();
if (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED);
Rect rect = new Rect();
int itemIndex = parent.indexOf (this);
if (itemIndex == -1) return new Rectangle (0, 0, 0, 0);
int id = parent.getId (itemIndex);
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 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 (!parent.checkData (this, true)) error (SWT.ERROR_WIDGET_DISPOSED);
parent.checkItems (true);
if (index != 0 && !(0 <= index && index < parent.columnCount)) return new Rectangle (0, 0, 0, 0);
Rect rect = new Rect();
int itemIndex = parent.indexOf (this);
if (itemIndex == -1) return new Rectangle (0, 0, 0, 0);
int id = parent.getId (itemIndex);
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 x, y, width, height;
if (OS.VERSION >= 0x1040) {
if (parent.getLinesVisible ()) {
rect.left += Table.GRID_WIDTH;
rect.top += Table.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</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, true)) 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, 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 3.0
*/
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 3.0
*/
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</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, 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>
*/
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
* 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, true)) error (SWT.ERROR_WIDGET_DISPOSED);
parent.checkItems (true);
if (index != 0 && !(0 <= index && index < parent.columnCount)) return new Rectangle (0, 0, 0, 0);
Rect rect = new Rect();
int itemIndex = parent.indexOf (this);
if (itemIndex == -1) return new Rectangle (0, 0, 0, 0);
int id = parent.getId (itemIndex);
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);
}
/**
* 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, true)) error (SWT.ERROR_WIDGET_DISPOSED);
return 0;
}
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;
}
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>
*/
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
* 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, true)) error (SWT.ERROR_WIDGET_DISPOSED);
parent.checkItems (true);
if (index != 0 && !(0 <= index && index < parent.columnCount)) return new Rectangle (0, 0, 0, 0);
Rect rect = new Rect();
int itemIndex = parent.indexOf (this);
if (itemIndex == -1) return new Rectangle (0, 0, 0, 0);
int id = parent.getId (itemIndex);
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 imageWidth = 0;
int margin = parent.getInsetWidth () / 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) {
if (parent.getLinesVisible ()) {
rect.left += Table.GRID_WIDTH;
rect.top += Table.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);
}
void redraw (int propertyID) {
if (parent.currentItem == this) return;
if (!getDrawing () && propertyID != Table.CHECK_COLUMN_ID) return;
int itemIndex = parent.indexOf (this);
if (itemIndex == -1) return;
int [] id = new int [] {parent.getId (itemIndex)};
OS.UpdateDataBrowserItems (parent.handle, OS.kDataBrowserNoItem, id.length, id, OS.kDataBrowserItemNoProperty, propertyID);
/*
* 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 == Table.CHECK_COLUMN_ID) {
Rect rect = new Rect();
if (OS.GetDataBrowserItemPartBounds (parent.handle, parent.getId (itemIndex), 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 (parent.handle, x, y, width, height, false);
}
}
}
void releaseHandle () {
super.releaseHandle ();
parent = null;
}
void releaseParent () {
super.releaseParent ();
parent.checkItems (true);
}
void releaseWidget () {
super.releaseWidget ();
strings = null;
images = null;
background = foreground = null;
font = 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);
}
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 3.0
*/
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.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;
redraw (OS.kDataBrowserNoItem);
}
/**
* 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;
setChecked (checked, false);
}
void setChecked (boolean checked, boolean notify) {
this.checked = checked;
cached = true;
redraw (Table.CHECK_COLUMN_ID);
if (notify) {
Event event = new Event ();
event.item = this;
event.detail = SWT.CHECK;
parent.sendSelectionEvent (SWT.Selection, event, false);
}
}
/**
* 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 3.0
*/
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.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;
redraw (OS.kDataBrowserNoItem);
}
/**
* 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);
}
Color oldColor = 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 3.0
*/
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.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;
redraw (OS.kDataBrowserNoItem);
}
/**
* 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;
cached = true;
redraw (Table.CHECK_COLUMN_ID);
}
/**
* 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 itemIndex = parent.indexOf (this);
if (itemIndex == -1) return;
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);
redraw (OS.kDataBrowserNoItem);
}
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();
if (indent < 0) return;
cached = true;
/* Image indent is not supported on the Macintosh */
}
/**
* 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);
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);
redraw (OS.kDataBrowserNoItem);
}
public void setText (String string) {
checkWidget();
setText (0, string);
}
}