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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/PopupList.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/PopupList.java | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/PopupList.java b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/PopupList.java deleted file mode 100755 index c3bb6f073d..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/PopupList.java +++ /dev/null @@ -1,274 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2008 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.custom; - -import org.eclipse.swt.*; -import org.eclipse.swt.events.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.widgets.*; - -/** -* A PopupList is a list of selectable items that appears in its own shell positioned above -* its parent shell. It is used for selecting items when editing a Table cell (similar to the -* list that appears when you open a Combo box). -* -* The list will be positioned so that it does not run off the screen and the largest number of items -* are visible. It may appear above the current cursor location or below it depending how close you -* are to the edge of the screen. -* -* @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> -*/ -public class PopupList { - Shell shell; - List list; - int minimumWidth; -/** -* Creates a PopupList above the specified shell. -* -* @param parent a Shell control which will be the parent of the new instance (cannot be null) -*/ -public PopupList(Shell parent) { - this (parent, 0); -} -/** -* Creates a PopupList above the specified shell. -* -* @param parent a widget which will be the parent of the new instance (cannot be null) -* @param style the style of widget to construct -* -* @since 3.0 -*/ -public PopupList(Shell parent, int style) { - shell = new Shell(parent, checkStyle(style)); - - list = new List(shell, SWT.SINGLE | SWT.V_SCROLL); - - // close dialog if user selects outside of the shell - shell.addListener(SWT.Deactivate, new Listener() { - public void handleEvent(Event e){ - shell.setVisible (false); - } - }); - - // resize shell when list resizes - shell.addControlListener(new ControlListener() { - public void controlMoved(ControlEvent e){} - public void controlResized(ControlEvent e){ - Rectangle shellSize = shell.getClientArea(); - list.setSize(shellSize.width, shellSize.height); - } - }); - - // return list selection on Mouse Up or Carriage Return - list.addMouseListener(new MouseListener() { - public void mouseDoubleClick(MouseEvent e){} - public void mouseDown(MouseEvent e){} - public void mouseUp(MouseEvent e){ - shell.setVisible (false); - } - }); - list.addKeyListener(new KeyListener() { - public void keyReleased(KeyEvent e){} - public void keyPressed(KeyEvent e){ - if (e.character == '\r'){ - shell.setVisible (false); - } - } - }); - -} -private static int checkStyle (int style) { - int mask = SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT; - return style & mask; -} -/** -* Gets the widget font. -* <p> -* @return the widget 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> -*/ -public Font getFont () { - return list.getFont(); -} -/** -* Gets the items. -* <p> -* This operation will fail if the items cannot -* be queried from the OS. -* -* @return the items in the widget -* -* @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[] getItems () { - return list.getItems(); -} -/** -* Gets the minimum width of the list. -* -* @return the minimum width of the list -*/ -public int getMinimumWidth () { - return minimumWidth; -} -/** -* Launches the Popup List, waits for an item to be selected and then closes the PopupList. -* -* @param rect the initial size and location of the PopupList; the dialog will be -* positioned so that it does not run off the screen and the largest number of items are visible -* -* @return the text of the selected item or null if no item is selected -*/ -public String open (Rectangle rect) { - - Point listSize = list.computeSize (rect.width, SWT.DEFAULT, false); - Rectangle screenSize = shell.getDisplay().getBounds(); - - // Position the dialog so that it does not run off the screen and the largest number of items are visible - int spaceBelow = screenSize.height - (rect.y + rect.height) - 30; - int spaceAbove = rect.y - 30; - - int y = 0; - if (spaceAbove > spaceBelow && listSize.y > spaceBelow) { - // place popup list above table cell - if (listSize.y > spaceAbove){ - listSize.y = spaceAbove; - } else { - listSize.y += 2; - } - y = rect.y - listSize.y; - - } else { - // place popup list below table cell - if (listSize.y > spaceBelow){ - listSize.y = spaceBelow; - } else { - listSize.y += 2; - } - y = rect.y + rect.height; - } - - // Make dialog as wide as the cell - listSize.x = rect.width; - // dialog width should not be less than minimumWidth - if (listSize.x < minimumWidth) - listSize.x = minimumWidth; - - // Align right side of dialog with right side of cell - int x = rect.x + rect.width - listSize.x; - - shell.setBounds(x, y, listSize.x, listSize.y); - - shell.open(); - list.setFocus(); - - Display display = shell.getDisplay(); - while (!shell.isDisposed () && shell.isVisible ()) { - if (!display.readAndDispatch()) display.sleep(); - } - - String result = null; - if (!shell.isDisposed ()) { - String [] strings = list.getSelection (); - shell.dispose(); - if (strings.length != 0) result = strings [0]; - } - return result; -} -/** -* Selects an item with text that starts with specified String. -* <p> -* If the item is not currently selected, it is selected. -* If the item at an index is selected, it remains selected. -* If the string is not matched, it is ignored. -* -* @param string the text of the item -* -* @exception SWTException <ul> -* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> -* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> -* </ul> -*/ -public void select(String string) { - String[] items = list.getItems(); - - // find the first entry in the list that starts with the - // specified string - if (string != null){ - for (int i = 0; i < items.length; i++) { - if (items[i].startsWith(string)){ - int index = list.indexOf(items[i]); - list.select(index); - break; - } - } - } -} -/** -* Sets the widget font. -* <p> -* When new font is null, the font reverts -* to the default system font for the widget. -* -* @param font the new font (or null) -* -* @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 setFont (Font font) { - list.setFont(font); -} -/** -* Sets all items. -* <p> -* The previous selection is cleared. -* The previous items are deleted. -* The new items are added. -* The top index is set to 0. -* -* @param strings the array of items -* -* This operation will fail when an item is null -* or could not be added in the OS. -* -* @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 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[] strings) { - list.setItems(strings); -} -/** -* Sets the minimum width of the list. -* -* @param width the minimum width of the list -*/ -public void setMinimumWidth (int width) { - if (width < 0) - SWT.error(SWT.ERROR_INVALID_ARGUMENT); - - minimumWidth = width; -} -} |