| /******************************************************************************* |
| * Copyright (c) 2006 Sybase, Inc. 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: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.jsf.common.ui.internal.utils; |
| |
| import java.util.Arrays; |
| |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.accessibility.ACC; |
| import org.eclipse.swt.accessibility.AccessibleAdapter; |
| import org.eclipse.swt.accessibility.AccessibleControlAdapter; |
| import org.eclipse.swt.accessibility.AccessibleControlEvent; |
| import org.eclipse.swt.accessibility.AccessibleEvent; |
| import org.eclipse.swt.accessibility.AccessibleTextAdapter; |
| import org.eclipse.swt.accessibility.AccessibleTextEvent; |
| import org.eclipse.swt.events.ModifyListener; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.graphics.GC; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Layout; |
| import org.eclipse.swt.widgets.Listener; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Table; |
| import org.eclipse.swt.widgets.TableColumn; |
| import org.eclipse.swt.widgets.TableItem; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.swt.widgets.TypedListener; |
| |
| /** |
| * The CCombo class represents a selectable user interface object that combines |
| * a text field and a list and issues notification when an item is selected from |
| * the list. |
| * <p> |
| * Note that although this class is a subclass of <code>Composite</code>, it |
| * does not make sense to add children to it, or set a layout on it. |
| * </p> |
| * <dl> |
| * <dt><b>Styles:</b> |
| * <dd>BORDER, READ_ONLY, FLAT</dd> |
| * <dt><b>Events:</b> |
| * <dd>Selection</dd> |
| * </dl> |
| */ |
| public final class StyleCombo extends Composite { |
| |
| Text text; |
| |
| Table table; |
| |
| int visibleItemCount = 4; |
| |
| Shell popup; |
| |
| Button arrow; |
| |
| boolean hasFocus; |
| |
| Listener listener, filter; |
| |
| Color foreground, background; |
| |
| Font font; |
| |
| String defaultValue; |
| |
| /** |
| * Constructs a new instance of this class given its parent and a style |
| * value describing its behavior and appearance. |
| * <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 widget which will be the parent of the new instance (cannot |
| * be null) |
| * @param style |
| * the style of widget to construct |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
| * </ul> |
| * @exception org.eclipse.swt.SWTException |
| * <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the |
| * thread that created the parent</li> |
| * </ul> |
| * |
| * @see SWT#BORDER |
| * @see SWT#READ_ONLY |
| * @see SWT#FLAT |
| */ |
| public StyleCombo(Composite parent, int style) { |
| super(parent, style = checkStyle(style)); |
| |
| listener = new Listener() { |
| public void handleEvent(Event event) { |
| if (popup == event.widget) { |
| popupEvent(event); |
| return; |
| } |
| if (text == event.widget) { |
| textEvent(event); |
| return; |
| } |
| if (table == event.widget) { |
| tableEvent(event); |
| return; |
| } |
| if (arrow == event.widget) { |
| arrowEvent(event); |
| return; |
| } |
| if (StyleCombo.this == event.widget) { |
| comboEvent(event); |
| return; |
| } |
| if (getShell() == event.widget) { |
| handleFocus(SWT.FocusOut); |
| } |
| } |
| }; |
| |
| filter = new Listener() { |
| public void handleEvent(Event event) { |
| Shell shell = ((Control) event.widget).getShell(); |
| if (shell == StyleCombo.this.getShell()) { |
| handleFocus(SWT.FocusOut); |
| } |
| } |
| }; |
| |
| int[] comboEvents = { SWT.Dispose, SWT.Move, SWT.Resize }; |
| for (int i = 0; i < comboEvents.length; i++) |
| this.addListener(comboEvents[i], listener); |
| |
| createText(style); |
| createArrow(style); |
| |
| createPopup(null, -1); |
| initAccessible(); |
| } |
| |
| /** |
| * @param style |
| */ |
| private void createArrow(int style) { |
| int arrowStyle = SWT.ARROW | SWT.DOWN; |
| if ((style & SWT.FLAT) != 0) { |
| arrowStyle |= SWT.FLAT; |
| } |
| arrow = new Button(this, arrowStyle); |
| int[] arrowEvents = { SWT.Selection, SWT.FocusIn }; |
| for (int i = 0; i < arrowEvents.length; i++) { |
| arrow.addListener(arrowEvents[i], listener); |
| } |
| } |
| |
| /** |
| * @param style |
| */ |
| private void createText(int style) { |
| int textStyle = SWT.SINGLE; |
| if ((style & SWT.READ_ONLY) != 0) { |
| textStyle |= SWT.READ_ONLY; |
| } |
| if ((style & SWT.FLAT) != 0) { |
| textStyle |= SWT.FLAT; |
| } |
| text = new Text(this, textStyle); |
| int[] textEvents = { SWT.KeyDown, SWT.KeyUp, SWT.Modify, SWT.MouseDown, |
| SWT.MouseUp, SWT.Traverse, SWT.FocusIn }; |
| for (int i = 0; i < textEvents.length; i++) { |
| text.addListener(textEvents[i], listener); |
| } |
| } |
| |
| static int checkStyle(int style) { |
| int mask = SWT.BORDER | SWT.READ_ONLY | SWT.FLAT | SWT.LEFT_TO_RIGHT |
| | SWT.RIGHT_TO_LEFT; |
| return style & mask; |
| } |
| |
| /** |
| * Adds the argument to the end of the receiver's list. |
| * |
| * @param string |
| * the new item |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
| * </ul> |
| * @exception org.eclipse.swt.SWTException |
| * <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been |
| * disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the |
| * thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #add(String,int) |
| */ |
| public void add(String string) { |
| checkWidget(); |
| if (string == null) { |
| SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| } |
| TableItem item = new TableItem(table, SWT.NONE); |
| item.setText(0, string); |
| } |
| |
| /** |
| * Adds the argument to the receiver's list at the given zero-relative |
| * index. |
| * <p> |
| * Note: To add an item at the end of the list, use the result of calling |
| * <code>getItemCount()</code> as the index or use |
| * <code>add(String)</code>. |
| * </p> |
| * |
| * @param string |
| * the new item |
| * @param index |
| * the index for the item |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 |
| * and the number of elements in the list (inclusive)</li> |
| * </ul> |
| * @exception org.eclipse.swt.SWTException |
| * <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been |
| * disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the |
| * thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #add(String) |
| */ |
| public void add(String string, int index) { |
| checkWidget(); |
| if (string == null) { |
| SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| } |
| TableItem item = new TableItem(table, SWT.NONE, index); |
| item.setText(0, string); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will be notified |
| * when the receiver's text is modified, by sending it one of the messages |
| * defined in the <code>ModifyListener</code> interface. |
| * |
| * @param listener1 |
| * the listener which should be notified |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception org.eclipse.swt.SWTException |
| * <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been |
| * disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the |
| * thread that created the receiver</li> |
| * </ul> |
| * |
| * @see ModifyListener |
| * @see #removeModifyListener |
| */ |
| public void addModifyListener(ModifyListener listener1) { |
| checkWidget(); |
| if (listener1 == null) { |
| SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| } |
| TypedListener typedListener = new TypedListener(listener1); |
| addListener(SWT.Modify, typedListener); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will be notified |
| * when the receiver's selection changes, by sending it one of the messages |
| * defined in the <code>SelectionListener</code> interface. |
| * <p> |
| * <code>widgetSelected</code> is called when the combo's list selection |
| * changes. <code>widgetDefaultSelected</code> is typically called when |
| * ENTER is pressed the combo's text area. |
| * </p> |
| * |
| * @param listener1 |
| * the listener which should be notified |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception org.eclipse.swt.SWTException |
| * <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been |
| * disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the |
| * thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SelectionListener |
| * @see #removeSelectionListener |
| */ |
| public void addSelectionListener(SelectionListener listener1) { |
| checkWidget(); |
| if (listener1 == null) { |
| SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| } |
| TypedListener typedListener = new TypedListener(listener1); |
| addListener(SWT.Selection, typedListener); |
| addListener(SWT.DefaultSelection, typedListener); |
| } |
| |
| void arrowEvent(Event event) { |
| switch (event.type) { |
| case SWT.FocusIn: { |
| handleFocus(SWT.FocusIn); |
| break; |
| } |
| case SWT.Selection: { |
| dropDown(!isDropped()); |
| break; |
| } |
| } |
| } |
| |
| /** |
| * Sets the selection in the receiver's text field to an empty selection |
| * starting just before the first character. If the text field is editable, |
| * this has the effect of placing the i-beam at the start of the text. |
| * <p> |
| * Note: To clear the selected items in the receiver's list, use |
| * <code>deselectAll()</code>. |
| * </p> |
| * |
| * @exception org.eclipse.swt.SWTException |
| * <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been |
| * disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the |
| * thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #deselectAll |
| */ |
| public void clearSelection() { |
| checkWidget(); |
| text.clearSelection(); |
| table.deselectAll(); |
| } |
| |
| void comboEvent(Event event) { |
| switch (event.type) { |
| case SWT.Dispose: |
| if (popup != null && !popup.isDisposed()) { |
| table.removeListener(SWT.Dispose, listener); |
| popup.dispose(); |
| } |
| Shell shell = getShell(); |
| shell.removeListener(SWT.Deactivate, listener); |
| Display display = getDisplay(); |
| display.removeFilter(SWT.FocusIn, filter); |
| popup = null; |
| text = null; |
| table = null; |
| arrow = null; |
| break; |
| case SWT.Move: |
| dropDown(false); |
| break; |
| case SWT.Resize: |
| internalLayout(false); |
| break; |
| } |
| } |
| |
| private String[] getTableItems() { |
| TableItem[] items = table.getItems(); |
| String[] values = new String[items.length]; |
| for (int i = 0; i < items.length; i++) { |
| values[i] = items[i].getText(0); |
| } |
| return values; |
| } |
| |
| public Point computeSize(int wHint, int hHint, boolean changed) { |
| checkWidget(); |
| int width = 0, height = 0; |
| String[] items = getTableItems(); |
| int textWidth = 0; |
| GC gc = new GC(text); |
| int spacer = gc.stringExtent(" ").x; //$NON-NLS-1$ |
| for (int i = 0; i < items.length; i++) { |
| textWidth = Math.max(gc.stringExtent(items[i]).x, textWidth); |
| } |
| gc.dispose(); |
| Point textSize = text.computeSize(SWT.DEFAULT, SWT.DEFAULT, changed); |
| Point arrowSize = arrow.computeSize(SWT.DEFAULT, SWT.DEFAULT, changed); |
| Point listSize = table.computeSize(wHint, SWT.DEFAULT, changed); |
| int borderWidth = getBorderWidth(); |
| |
| height = Math.max(hHint, Math.max(textSize.y, arrowSize.y) + 2 |
| * borderWidth); |
| width = Math.max(wHint, Math.max(textWidth + 2 * spacer + arrowSize.x |
| + 2 * borderWidth, listSize.x)); |
| return new Point(width, height); |
| } |
| |
| void createPopup(String[] items, int selectionIndex) { |
| // create shell and list |
| popup = new Shell(getShell(), SWT.NO_TRIM | SWT.ON_TOP); |
| table = new Table(popup, SWT.SINGLE | SWT.V_SCROLL | SWT.FULL_SELECTION); |
| new TableColumn(table, SWT.LEFT); |
| if (font != null) { |
| table.setFont(font); |
| } |
| if (foreground != null) { |
| table.setForeground(foreground); |
| } |
| if (background != null) { |
| table.setBackground(background); |
| } |
| |
| int[] popupEvents = { SWT.Close, SWT.Paint, SWT.Deactivate }; |
| for (int i = 0; i < popupEvents.length; i++) { |
| popup.addListener(popupEvents[i], listener); |
| } |
| int[] listEvents = { SWT.MouseUp, SWT.Selection, SWT.Traverse, |
| SWT.KeyDown, SWT.KeyUp, SWT.FocusIn, SWT.FocusOut, SWT.Dispose }; |
| for (int i = 0; i < listEvents.length; i++) { |
| table.addListener(listEvents[i], listener); |
| } |
| if (items != null) { |
| setItems(items); |
| } |
| if (selectionIndex != -1) { |
| select(selectionIndex); |
| } |
| } |
| |
| /** |
| * Deselects the item at the given zero-relative index in the receiver's |
| * list. If the item at the index was already deselected, it remains |
| * deselected. Indices that are out of range are ignored. |
| * |
| * @param index |
| * the index of the item to deselect |
| * |
| * @exception org.eclipse.swt.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 deselect(int index) { |
| checkWidget(); |
| table.deselect(index); |
| } |
| |
| /** |
| * Deselects all selected items in the receiver's list. |
| * <p> |
| * Note: To clear the selection in the receiver's text field, use |
| * <code>clearSelection()</code>. |
| * </p> |
| * |
| * @exception org.eclipse.swt.SWTException |
| * <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been |
| * disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the |
| * thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #clearSelection |
| */ |
| public void deselectAll() { |
| checkWidget(); |
| table.deselectAll(); |
| } |
| |
| void dropDown(boolean drop) { |
| if (drop == isDropped()) { |
| return; |
| } |
| if (!drop) { |
| popup.setVisible(false); |
| table.getColumns()[0].setWidth(0); |
| if (!isDisposed() && arrow.isFocusControl()) { |
| text.setFocus(); |
| } |
| return; |
| } |
| |
| if (getShell() != popup.getParent()) { |
| String[] items = getTableItems(); |
| int selectionIndex = table.getSelectionIndex(); |
| table.removeListener(SWT.Dispose, listener); |
| popup.dispose(); |
| popup = null; |
| table = null; |
| createPopup(items, selectionIndex); |
| } |
| |
| Point size = getSize(); |
| int itemCount = table.getItemCount(); |
| itemCount = (itemCount == 0) ? visibleItemCount : Math.min( |
| visibleItemCount, itemCount); |
| int itemHeight = table.getItemHeight() * itemCount; |
| Point tableSize = table.computeSize(SWT.DEFAULT, itemHeight, false); |
| // int tableWidth = this.getClientArea() |
| table.setBounds(1, 1, Math.max(size.x - 2, tableSize.x), tableSize.y |
| - table.getHorizontalBar().getSize().y + 2); |
| |
| int index = table.getSelectionIndex(); |
| if (index != -1) { |
| table.setTopIndex(index); |
| } |
| Display display = getDisplay(); |
| Rectangle tableRect = table.getBounds(); |
| Rectangle parentRect = display.map(getParent(), null, getBounds()); |
| Point comboSize = getSize(); |
| Rectangle displayRect = getMonitor().getClientArea(); |
| int width = Math.max(comboSize.x, tableRect.width + 2); |
| int height = tableRect.height + 2; |
| int x = parentRect.x; |
| int y = parentRect.y + comboSize.y; |
| if (y + height > displayRect.y + displayRect.height) { |
| y = parentRect.y - height; |
| } |
| popup.setBounds(x, y, width, height); |
| popup.setVisible(true); |
| |
| if (table.getItemCount() > visibleItemCount) { |
| table.getColumns()[0].setWidth(text.getSize().x - 2); |
| } else { |
| table.getColumns()[0].setWidth(table.getClientArea().width); |
| } |
| table.setFocus(); |
| } |
| |
| /* |
| * Return the Label immediately preceding the receiver in the z-order, or |
| * null if none. |
| */ |
| Label getAssociatedLabel() { |
| Control[] siblings = getParent().getChildren(); |
| for (int i = 0; i < siblings.length; i++) { |
| if (siblings[i] == StyleCombo.this) { |
| if (i > 0 && siblings[i - 1] instanceof Label) { |
| return (Label) siblings[i - 1]; |
| } |
| } |
| } |
| return null; |
| } |
| |
| public Control[] getChildren() { |
| checkWidget(); |
| return new Control[0]; |
| } |
| |
| /** |
| * Gets the editable state. |
| * |
| * @return whether or not the reciever is editable |
| * |
| * @exception org.eclipse.swt.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 boolean getEditable() { |
| checkWidget(); |
| return text.getEditable(); |
| } |
| |
| /** |
| * Returns the item at the given, zero-relative index in the receiver's |
| * list. Throws an exception if the index is out of range. |
| * |
| * @param index |
| * the index of the item to return |
| * @return the item at the given index |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 |
| * and the number of elements in the list minus 1 (inclusive)</li> |
| * </ul> |
| * @exception org.eclipse.swt.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 getItem(int index) { |
| checkWidget(); |
| return table.getItem(index).getText(0); |
| } |
| |
| /** |
| * Returns the number of items contained in the receiver's list. |
| * |
| * @return the number of items |
| * |
| * @exception org.eclipse.swt.SWTException |
| * <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been |
| * disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the |
| * thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getItemCount() { |
| checkWidget(); |
| return table.getItemCount(); |
| } |
| |
| /** |
| * Returns the height of the area which would be used to display |
| * <em>one</em> of the items in the receiver's list. |
| * |
| * @return the height of one item |
| * |
| * @exception org.eclipse.swt.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 getItemHeight() { |
| checkWidget(); |
| return table.getItemHeight(); |
| } |
| |
| /** |
| * Returns an array of <code>String</code>s which are the items in the |
| * receiver's list. |
| * <p> |
| * Note: This is not the actual structure used by the receiver to maintain |
| * its list of items, so modifying the array will not affect the receiver. |
| * </p> |
| * |
| * @return the items in the receiver's list |
| * |
| * @exception org.eclipse.swt.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[] getItems() { |
| checkWidget(); |
| return getTableItems(); |
| } |
| |
| char getMnemonic(String string) { |
| int index = 0; |
| int length = string.length(); |
| do { |
| while ((index < length) && (string.charAt(index) != '&')) { |
| index++; |
| } |
| if (++index >= length) { |
| return '\0'; |
| } |
| if (string.charAt(index) != '&') { |
| return string.charAt(index); |
| } |
| index++; |
| } while (index < length); |
| return '\0'; |
| } |
| |
| /** |
| * Returns a <code>Point</code> whose x coordinate is the start of the |
| * selection in the receiver's text field, and whose y coordinate is the end |
| * of the selection. The returned values are zero-relative. An "empty" |
| * selection as indicated by the the x and y coordinates having the same |
| * value. |
| * |
| * @return a point representing the selection start and end |
| * |
| * @exception org.eclipse.swt.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 Point getSelection() { |
| checkWidget(); |
| return text.getSelection(); |
| } |
| |
| /** |
| * Returns the zero-relative index of the item which is currently selected |
| * in the receiver's list, or -1 if no item is selected. |
| * |
| * @return the index of the selected item |
| * |
| * @exception org.eclipse.swt.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 getSelectionIndex() { |
| checkWidget(); |
| return table.getSelectionIndex(); |
| } |
| |
| public int getStyle() { |
| int style = super.getStyle(); |
| style &= ~SWT.READ_ONLY; |
| if (!text.getEditable()) { |
| style |= SWT.READ_ONLY; |
| } |
| return style; |
| } |
| |
| /** |
| * Returns a string containing a copy of the contents of the receiver's text |
| * field. |
| * |
| * @return the receiver's text |
| * |
| * @exception org.eclipse.swt.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() { |
| checkWidget(); |
| return text.getText(); |
| } |
| |
| /** |
| * Returns the height of the receivers's text field. |
| * |
| * @return the text height |
| * |
| * @exception org.eclipse.swt.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 getTextHeight() { |
| checkWidget(); |
| return text.getLineHeight(); |
| } |
| |
| /** |
| * Returns the maximum number of characters that the receiver's text field |
| * is capable of holding. If this has not been changed by |
| * <code>setTextLimit()</code>, it will be the constant |
| * <code>Combo.LIMIT</code>. |
| * |
| * @return the text limit |
| * |
| * @exception org.eclipse.swt.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 getTextLimit() { |
| checkWidget(); |
| return text.getTextLimit(); |
| } |
| |
| /** |
| * Gets the number of items that are visible in the drop down portion of the |
| * receiver's list. |
| * |
| * @return the number of items that are visible |
| * |
| * @exception org.eclipse.swt.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 int getVisibleItemCount() { |
| checkWidget(); |
| return visibleItemCount; |
| } |
| |
| void handleFocus(int type) { |
| if (isDisposed()) { |
| return; |
| } |
| switch (type) { |
| case SWT.FocusIn: { |
| if (hasFocus) { |
| return; |
| } |
| if (getEditable()) { |
| text.selectAll(); |
| } |
| hasFocus = true; |
| Shell shell = getShell(); |
| shell.removeListener(SWT.Deactivate, listener); |
| shell.addListener(SWT.Deactivate, listener); |
| Display display = getDisplay(); |
| display.removeFilter(SWT.FocusIn, filter); |
| display.addFilter(SWT.FocusIn, filter); |
| Event e = new Event(); |
| notifyListeners(SWT.FocusIn, e); |
| break; |
| } |
| case SWT.FocusOut: { |
| if (!hasFocus) { |
| return; |
| } |
| Control focusControl = getDisplay().getFocusControl(); |
| if (focusControl == arrow || focusControl == table |
| || focusControl == text) { |
| return; |
| } |
| hasFocus = false; |
| Shell shell = getShell(); |
| shell.removeListener(SWT.Deactivate, listener); |
| Display display = getDisplay(); |
| display.removeFilter(SWT.FocusIn, filter); |
| Event e = new Event(); |
| notifyListeners(SWT.FocusOut, e); |
| break; |
| } |
| } |
| } |
| |
| /** |
| * Searches the receiver's list starting at the first item (index 0) until |
| * an item is found that is equal to the argument, and returns the index of |
| * that item. If no item is found, returns -1. |
| * |
| * @param string |
| * the search item |
| * @return the index of the item |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
| * </ul> |
| * @exception org.eclipse.swt.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 indexOf(String string) { |
| checkWidget(); |
| if (string == null) { |
| SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| } |
| return Arrays.asList(getTableItems()).indexOf(string); |
| } |
| |
| /** |
| * Searches the receiver's list starting at the given, zero-relative index |
| * until an item is found that is equal to the argument, and returns the |
| * index of that item. If no item is found or the starting index is out of |
| * range, returns -1. |
| * |
| * @param string |
| * the search item |
| * @param start |
| * the zero-relative index at which to begin the search |
| * @return the index of the item |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
| * </ul> |
| * @exception org.eclipse.swt.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 indexOf(String string, int start) { |
| checkWidget(); |
| if (string == null) { |
| SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| } |
| String[] items = getTableItems(); |
| for (int i = start; i < items.length; i++) { |
| if (items[i].equals(string)) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| void initAccessible() { |
| AccessibleAdapter accessibleAdapter = new AccessibleAdapter() { |
| public void getName(AccessibleEvent e) { |
| String name = null; |
| Label label = getAssociatedLabel(); |
| if (label != null) { |
| name = stripMnemonic(label.getText()); |
| } |
| e.result = name; |
| } |
| |
| public void getKeyboardShortcut(AccessibleEvent e) { |
| String shortcut = null; |
| Label label = getAssociatedLabel(); |
| if (label != null) { |
| String text1 = label.getText(); |
| if (text1 != null) { |
| char mnemonic = getMnemonic(text1); |
| if (mnemonic != '\0') { |
| shortcut = "Alt+" + mnemonic; //$NON-NLS-1$ |
| } |
| } |
| } |
| e.result = shortcut; |
| } |
| |
| public void getHelp(AccessibleEvent e) { |
| e.result = getToolTipText(); |
| } |
| }; |
| getAccessible().addAccessibleListener(accessibleAdapter); |
| text.getAccessible().addAccessibleListener(accessibleAdapter); |
| table.getAccessible().addAccessibleListener(accessibleAdapter); |
| |
| arrow.getAccessible().addAccessibleListener(new AccessibleAdapter() { |
| public void getName(AccessibleEvent e) { |
| e.result = isDropped() ? SWT.getMessage("SWT_Close") : SWT.getMessage("SWT_Open"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| public void getKeyboardShortcut(AccessibleEvent e) { |
| e.result = "Alt+Down Arrow"; //$NON-NLS-1$ |
| } |
| |
| public void getHelp(AccessibleEvent e) { |
| e.result = getToolTipText(); |
| } |
| }); |
| |
| getAccessible().addAccessibleTextListener(new AccessibleTextAdapter() { |
| public void getCaretOffset(AccessibleTextEvent e) { |
| e.offset = text.getCaretPosition(); |
| } |
| }); |
| |
| getAccessible().addAccessibleControlListener( |
| new AccessibleControlAdapter() { |
| public void getChildAtPoint(AccessibleControlEvent e) { |
| Point testPoint = toControl(e.x, e.y); |
| if (getBounds().contains(testPoint)) { |
| e.childID = ACC.CHILDID_SELF; |
| } |
| } |
| |
| public void getLocation(AccessibleControlEvent e) { |
| Rectangle location = getBounds(); |
| Point pt = toDisplay(location.x, location.y); |
| e.x = pt.x; |
| e.y = pt.y; |
| e.width = location.width; |
| e.height = location.height; |
| } |
| |
| public void getChildCount(AccessibleControlEvent e) { |
| e.detail = 0; |
| } |
| |
| public void getRole(AccessibleControlEvent e) { |
| e.detail = ACC.ROLE_COMBOBOX; |
| } |
| |
| public void getState(AccessibleControlEvent e) { |
| e.detail = ACC.STATE_NORMAL; |
| } |
| |
| public void getValue(AccessibleControlEvent e) { |
| e.result = getText(); |
| } |
| }); |
| |
| text.getAccessible().addAccessibleControlListener( |
| new AccessibleControlAdapter() { |
| public void getRole(AccessibleControlEvent e) { |
| e.detail = text.getEditable() ? ACC.ROLE_TEXT |
| : ACC.ROLE_LABEL; |
| } |
| }); |
| |
| arrow.getAccessible().addAccessibleControlListener( |
| new AccessibleControlAdapter() { |
| public void getDefaultAction(AccessibleControlEvent e) { |
| e.result = isDropped() ? SWT.getMessage("SWT_Close") : SWT.getMessage("SWT_Open"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| }); |
| } |
| |
| boolean isDropped() { |
| return popup.getVisible(); |
| } |
| |
| public boolean isFocusControl() { |
| checkWidget(); |
| if (text.isFocusControl() || arrow.isFocusControl() |
| || table.isFocusControl() || popup.isFocusControl()) { |
| return true; |
| } |
| return super.isFocusControl(); |
| } |
| |
| void internalLayout(boolean changed) { |
| if (isDropped()) { |
| dropDown(false); |
| } |
| Rectangle rect = getClientArea(); |
| int width = rect.width; |
| int height = rect.height; |
| Point arrowSize = arrow.computeSize(SWT.DEFAULT, height, changed); |
| text.setBounds(0, 0, width - arrowSize.x, height); |
| arrow.setBounds(width - arrowSize.x, 0, arrowSize.x, arrowSize.y); |
| } |
| |
| void tableEvent(Event event) { |
| switch (event.type) { |
| case SWT.Dispose: |
| if (getShell() != popup.getParent()) { |
| String[] items = getTableItems(); |
| int selectionIndex = table.getSelectionIndex(); |
| popup = null; |
| table = null; |
| createPopup(items, selectionIndex); |
| } |
| break; |
| case SWT.FocusIn: { |
| handleFocus(SWT.FocusIn); |
| break; |
| } |
| case SWT.MouseUp: { |
| if (event.button != 1) { |
| return; |
| } |
| dropDown(false); |
| break; |
| } |
| case SWT.Selection: { |
| int index = table.getSelectionIndex(); |
| if (index == -1) |
| return; |
| text.setText(table.getItem(index).getText()); |
| text.selectAll(); |
| table.setSelection(index); |
| Event e = new Event(); |
| e.time = event.time; |
| e.stateMask = event.stateMask; |
| e.doit = event.doit; |
| notifyListeners(SWT.Selection, e); |
| event.doit = e.doit; |
| break; |
| } |
| case SWT.Traverse: { |
| switch (event.detail) { |
| case SWT.TRAVERSE_RETURN: |
| case SWT.TRAVERSE_ESCAPE: |
| case SWT.TRAVERSE_ARROW_PREVIOUS: |
| case SWT.TRAVERSE_ARROW_NEXT: |
| event.doit = false; |
| break; |
| } |
| Event e = new Event(); |
| e.time = event.time; |
| e.detail = event.detail; |
| e.doit = event.doit; |
| e.character = event.character; |
| e.keyCode = event.keyCode; |
| notifyListeners(SWT.Traverse, e); |
| event.doit = e.doit; |
| event.detail = e.detail; |
| break; |
| } |
| case SWT.KeyUp: { |
| Event e = new Event(); |
| e.time = event.time; |
| e.character = event.character; |
| e.keyCode = event.keyCode; |
| e.stateMask = event.stateMask; |
| notifyListeners(SWT.KeyUp, e); |
| break; |
| } |
| case SWT.KeyDown: { |
| if (event.character == SWT.ESC) { |
| // Escape key cancels popup list |
| dropDown(false); |
| } |
| if ((event.stateMask & SWT.ALT) != 0 |
| && (event.keyCode == SWT.ARROW_UP || event.keyCode == SWT.ARROW_DOWN)) { |
| dropDown(false); |
| } |
| if (event.character == SWT.CR) { |
| // Enter causes default selection |
| dropDown(false); |
| Event e = new Event(); |
| e.time = event.time; |
| e.stateMask = event.stateMask; |
| notifyListeners(SWT.DefaultSelection, e); |
| } |
| // At this point the widget may have been disposed. |
| // If so, do not continue. |
| if (isDisposed()) { |
| break; |
| } |
| Event e = new Event(); |
| e.time = event.time; |
| e.character = event.character; |
| e.keyCode = event.keyCode; |
| e.stateMask = event.stateMask; |
| notifyListeners(SWT.KeyDown, e); |
| break; |
| |
| } |
| } |
| } |
| |
| void popupEvent(Event event) { |
| switch (event.type) { |
| case SWT.Paint: |
| // draw black rectangle around list |
| Rectangle listRect = table.getBounds(); |
| Color black = getDisplay().getSystemColor(SWT.COLOR_BLACK); |
| event.gc.setForeground(black); |
| event.gc.drawRectangle(0, 0, listRect.width + 1, |
| listRect.height + 1); |
| break; |
| case SWT.Close: |
| event.doit = false; |
| dropDown(false); |
| break; |
| case SWT.Deactivate: |
| dropDown(false); |
| break; |
| } |
| } |
| |
| public void redraw() { |
| super.redraw(); |
| text.redraw(); |
| arrow.redraw(); |
| if (popup.isVisible()) { |
| table.redraw(); |
| } |
| } |
| |
| public void redraw(int x, int y, int width, int height, boolean all) { |
| super.redraw(x, y, width, height, true); |
| } |
| |
| /** |
| * Removes the item from the receiver's list at the given zero-relative |
| * index. |
| * |
| * @param index |
| * the index for the item |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 |
| * and the number of elements in the list minus 1 (inclusive)</li> |
| * </ul> |
| * @exception org.eclipse.swt.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 remove(int index) { |
| checkWidget(); |
| table.remove(index); |
| } |
| |
| /** |
| * Removes the items from the receiver's list which are between the given |
| * zero-relative start and end indices (inclusive). |
| * |
| * @param start |
| * the start of the range |
| * @param end |
| * the end of the range |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_INVALID_RANGE - if either the start or end are |
| * not between 0 and the number of elements in the list minus |
| * 1 (inclusive)</li> |
| * </ul> |
| * @exception org.eclipse.swt.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 remove(int start, int end) { |
| checkWidget(); |
| table.remove(start, end); |
| } |
| |
| /** |
| * Searches the receiver's list starting at the first item until an item is |
| * found that is equal to the argument, and removes that item from the list. |
| * |
| * @param string |
| * the item to remove |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the string is not found |
| * in the list</li> |
| * </ul> |
| * @exception org.eclipse.swt.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 remove(String string) { |
| checkWidget(); |
| if (string == null) { |
| SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| } |
| int index = Arrays.asList(getTableItems()).indexOf(string); |
| table.remove(index); |
| } |
| |
| /** |
| * Removes all of the items from the receiver's list and clear the contents |
| * of receiver's text field. |
| * <p> |
| * |
| * @exception org.eclipse.swt.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 removeAll() { |
| checkWidget(); |
| text.setText(""); //$NON-NLS-1$ |
| table.removeAll(); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will be |
| * notified when the receiver's text is modified. |
| * |
| * @param listener1 |
| * the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception org.eclipse.swt.SWTException |
| * <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been |
| * disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the |
| * thread that created the receiver</li> |
| * </ul> |
| * |
| * @see ModifyListener |
| * @see #addModifyListener |
| */ |
| public void removeModifyListener(ModifyListener listener1) { |
| checkWidget(); |
| if (listener1 == null) { |
| SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| } |
| removeListener(SWT.Modify, listener1); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will be |
| * notified when the receiver's selection changes. |
| * |
| * @param listener1 |
| * the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception org.eclipse.swt.SWTException |
| * <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been |
| * disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the |
| * thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SelectionListener |
| * @see #addSelectionListener |
| */ |
| public void removeSelectionListener(SelectionListener listener1) { |
| checkWidget(); |
| if (listener1 == null) { |
| SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| } |
| removeListener(SWT.Selection, listener1); |
| removeListener(SWT.DefaultSelection, listener1); |
| } |
| |
| /** |
| * Selects the item at the given zero-relative index in the receiver's list. |
| * If the item at the index was already selected, it remains selected. |
| * Indices that are out of range are ignored. |
| * |
| * @param index |
| * the index of the item to select |
| * |
| * @exception org.eclipse.swt.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 select(int index) { |
| checkWidget(); |
| if (index == -1) { |
| table.deselectAll(); |
| text.setText(""); //$NON-NLS-1$ |
| return; |
| } |
| if (0 <= index && index < table.getItemCount()) { |
| if (index != getSelectionIndex()) { |
| text.setText(table.getItem(index).getText()); |
| text.selectAll(); |
| table.select(index); |
| table.showSelection(); |
| } |
| } |
| } |
| |
| public void setBackground(Color color) { |
| super.setBackground(color); |
| background = color; |
| if (text != null) { |
| text.setBackground(color); |
| } |
| if (table != null) { |
| table.setBackground(color); |
| } |
| if (arrow != null) { |
| arrow.setBackground(color); |
| } |
| } |
| |
| /** |
| * Sets the editable state. |
| * |
| * @param editable |
| * the new editable state |
| * |
| * @exception org.eclipse.swt.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 setEditable(boolean editable) { |
| checkWidget(); |
| text.setEditable(editable); |
| } |
| |
| public void setEnabled(boolean enabled) { |
| super.setEnabled(enabled); |
| if (popup != null) { |
| popup.setVisible(false); |
| } |
| if (text != null) { |
| text.setEnabled(enabled); |
| } |
| if (arrow != null) { |
| arrow.setEnabled(enabled); |
| } |
| } |
| |
| public boolean setFocus() { |
| checkWidget(); |
| return text.setFocus(); |
| } |
| |
| public void setFont(Font font) { |
| super.setFont(font); |
| this.font = font; |
| text.setFont(font); |
| table.setFont(font); |
| internalLayout(true); |
| } |
| |
| public void setForeground(Color color) { |
| super.setForeground(color); |
| foreground = color; |
| if (text != null) { |
| text.setForeground(color); |
| } |
| if (table != null) { |
| table.setForeground(color); |
| } |
| if (arrow != null) { |
| arrow.setForeground(color); |
| } |
| } |
| |
| /** |
| * Sets the text of the item in the receiver's list at the given |
| * zero-relative index to the string argument. This is equivalent to |
| * <code>remove</code>'ing the old item at the index, and then |
| * <code>add</code>'ing the new item at that index. |
| * |
| * @param index |
| * the index for the item |
| * @param string |
| * the new text for the item |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 |
| * and the number of elements in the list minus 1 (inclusive)</li> |
| * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
| * </ul> |
| * @exception org.eclipse.swt.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 setItem(int index, String string) { |
| checkWidget(); |
| table.getItem(index).setText(0, string); |
| } |
| |
| /** |
| * Sets the receiver's list to be the given array of items. |
| * |
| * @param items |
| * the array of items |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the items array is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if an item in the items |
| * array is null</li> |
| * </ul> |
| * @exception org.eclipse.swt.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 setItems(String[] items) { |
| checkWidget(); |
| if (items == null) { |
| SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| } |
| |
| for (int i = 0; i < items.length; i++) { |
| TableItem item = new TableItem(table, SWT.NONE); |
| if (items[i].equals(defaultValue)) { |
| item.setFont(JFaceResources.getFontRegistry().getBold( |
| JFaceResources.DEFAULT_FONT)); |
| } |
| item.setText(0, items[i]); |
| } |
| } |
| |
| /** |
| * Sets the layout which is associated with the receiver to be the argument |
| * which may be null. |
| * <p> |
| * Note : No Layout can be set on this Control because it already manages |
| * the size and position of its children. |
| * </p> |
| * |
| * @param layout |
| * the receiver's new layout or null |
| * |
| * @exception org.eclipse.swt.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 setLayout(Layout layout) { |
| checkWidget(); |
| return; |
| } |
| |
| /** |
| * Sets the selection in the receiver's text field to the range specified by |
| * the argument whose x coordinate is the start of the selection and whose y |
| * coordinate is the end of the selection. |
| * |
| * @param selection |
| * a point representing the new selection start and end |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the point is null</li> |
| * </ul> |
| * @exception org.eclipse.swt.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 setSelection(Point selection) { |
| checkWidget(); |
| if (selection == null) { |
| SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| } |
| text.setSelection(selection.x, selection.y); |
| } |
| |
| /** |
| * Sets the contents of the receiver's text field to the given string. |
| * <p> |
| * Note: The text field in a <code>Combo</code> is typically only capable |
| * of displaying a single line of text. Thus, setting the text to a string |
| * containing line breaks or other special characters will probably cause it |
| * to display incorrectly. |
| * </p> |
| * |
| * @param string |
| * the new text |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
| * </ul> |
| * @exception org.eclipse.swt.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 string) { |
| checkWidget(); |
| if (string == null) { |
| SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| } |
| int index = Arrays.asList(getTableItems()).indexOf(string); |
| if (index == -1) { |
| table.deselectAll(); |
| text.setText(string); |
| return; |
| } |
| text.setText(string); |
| text.selectAll(); |
| table.setSelection(index); |
| table.showSelection(); |
| } |
| |
| /** |
| * Sets the maximum number of characters that the receiver's text field is |
| * capable of holding to be the argument. |
| * |
| * @param limit |
| * new text limit |
| * |
| * @exception IllegalArgumentException |
| * <ul> |
| * <li>ERROR_CANNOT_BE_ZERO - if the limit is zero</li> |
| * </ul> |
| * @exception org.eclipse.swt.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 setTextLimit(int limit) { |
| checkWidget(); |
| text.setTextLimit(limit); |
| } |
| |
| public void setToolTipText(String string) { |
| checkWidget(); |
| super.setToolTipText(string); |
| arrow.setToolTipText(string); |
| text.setToolTipText(string); |
| } |
| |
| public void setVisible(boolean visible) { |
| super.setVisible(visible); |
| if (!visible) { |
| popup.setVisible(false); |
| } |
| } |
| |
| /** |
| * Sets the number of items that are visible in the drop down portion of the |
| * receiver's list. |
| * |
| * @param count |
| * the new number of items to be visible |
| * |
| * @exception org.eclipse.swt.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 setVisibleItemCount(int count) { |
| checkWidget(); |
| if (count < 0) { |
| return; |
| } |
| visibleItemCount = count; |
| } |
| |
| String stripMnemonic(String string) { |
| int index = 0; |
| int length = string.length(); |
| do { |
| while ((index < length) && (string.charAt(index) != '&')) { |
| index++; |
| } |
| if (++index >= length) { |
| return string; |
| } |
| if (string.charAt(index) != '&') { |
| return string.substring(0, index - 1) |
| + string.substring(index, length); |
| } |
| index++; |
| } while (index < length); |
| return string; |
| } |
| |
| void textEvent(Event event) { |
| switch (event.type) { |
| case SWT.FocusIn: { |
| handleFocus(SWT.FocusIn); |
| break; |
| } |
| case SWT.KeyDown: { |
| if (event.character == SWT.CR) { |
| dropDown(false); |
| Event e = new Event(); |
| e.time = event.time; |
| e.stateMask = event.stateMask; |
| notifyListeners(SWT.DefaultSelection, e); |
| } |
| // At this point the widget may have been disposed. |
| // If so, do not continue. |
| if (isDisposed()) { |
| break; |
| } |
| |
| if (event.keyCode == SWT.ARROW_UP |
| || event.keyCode == SWT.ARROW_DOWN) { |
| event.doit = false; |
| if ((event.stateMask & SWT.ALT) != 0) { |
| boolean dropped = isDropped(); |
| text.selectAll(); |
| if (!dropped) { |
| setFocus(); |
| } |
| dropDown(!dropped); |
| break; |
| } |
| |
| int oldIndex = getSelectionIndex(); |
| if (event.keyCode == SWT.ARROW_UP) { |
| select(Math.max(oldIndex - 1, 0)); |
| } else { |
| select(Math.min(oldIndex + 1, getItemCount() - 1)); |
| } |
| if (oldIndex != getSelectionIndex()) { |
| Event e = new Event(); |
| e.time = event.time; |
| e.stateMask = event.stateMask; |
| notifyListeners(SWT.Selection, e); |
| } |
| // At this point the widget may have been disposed. |
| // If so, do not continue. |
| if (isDisposed()) { |
| break; |
| } |
| } |
| |
| // Further work : Need to add support for incremental search in |
| // pop up list as characters typed in text widget |
| |
| Event e = new Event(); |
| e.time = event.time; |
| e.character = event.character; |
| e.keyCode = event.keyCode; |
| e.stateMask = event.stateMask; |
| notifyListeners(SWT.KeyDown, e); |
| break; |
| } |
| case SWT.KeyUp: { |
| Event e = new Event(); |
| e.time = event.time; |
| e.character = event.character; |
| e.keyCode = event.keyCode; |
| e.stateMask = event.stateMask; |
| notifyListeners(SWT.KeyUp, e); |
| break; |
| } |
| case SWT.Modify: { |
| table.deselectAll(); |
| Event e = new Event(); |
| e.time = event.time; |
| notifyListeners(SWT.Modify, e); |
| break; |
| } |
| case SWT.MouseDown: { |
| if (event.button != 1) { |
| return; |
| } |
| if (text.getEditable()) { |
| return; |
| } |
| boolean dropped = isDropped(); |
| text.selectAll(); |
| if (!dropped) { |
| setFocus(); |
| } |
| dropDown(!dropped); |
| break; |
| } |
| case SWT.MouseUp: { |
| if (event.button != 1) { |
| return; |
| } |
| if (text.getEditable()) { |
| return; |
| } |
| text.selectAll(); |
| break; |
| } |
| case SWT.Traverse: { |
| switch (event.detail) { |
| case SWT.TRAVERSE_RETURN: |
| case SWT.TRAVERSE_ARROW_PREVIOUS: |
| case SWT.TRAVERSE_ARROW_NEXT: |
| // The enter causes default selection and |
| // the arrow keys are used to manipulate the list contents so |
| // do not use them for traversal. |
| event.doit = false; |
| break; |
| } |
| |
| Event e = new Event(); |
| e.time = event.time; |
| e.detail = event.detail; |
| e.doit = event.doit; |
| e.character = event.character; |
| e.keyCode = event.keyCode; |
| notifyListeners(SWT.Traverse, e); |
| event.doit = e.doit; |
| event.detail = e.detail; |
| break; |
| } |
| } |
| } |
| |
| /** |
| * @param defaultValue |
| */ |
| public void setDefaultValue(String defaultValue) { |
| this.defaultValue = defaultValue; |
| int index = Arrays.asList(getTableItems()).indexOf(defaultValue); |
| if (index != -1) { |
| table.getItem(index).setFont( |
| JFaceResources.getFontRegistry().getBold( |
| JFaceResources.DEFAULT_FONT)); |
| } |
| } |
| } |
