org.eclipse.jface.action.LegacyActionTools Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2005, 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.jface.action;
import java.util.HashMap;
import java.util.Map;
import java.util.StringTokenizer;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.util.Util;
import org.eclipse.swt.SWT;
/**
*
* Some static utility methods for handling labels on actions. This includes
* mnemonics and accelerators.
*
*
* Clients may neither instantiate this class nor extend.
*
*
* @since 1.0
*/
public final class LegacyActionTools {
/**
* Table of key codes (key type: String, value type:
* Integer); null if not yet initialized.
*
* @see #findKeyCode
*/
private static Map keyCodes = null;
/**
* Table of string representations of keys (key type: Integer,
* value type: String); null> if not yet
* initialized.
*
* @see #findKeyString
*/
private static Map keyStrings = null;
/**
* The localized uppercase version of ALT
*/
private static String localizedAlt;
/**
* The localized uppercase version of COMMAND
*/
private static String localizedCommand;
/**
* The localized uppercase version of CTRL
*/
private static String localizedCtrl;
/**
* Table of key codes (key type: String, value type:
* Integer); null if not yet initialized. The
* key is the localalized name of the key as it appears in menus.
*
* @see #findLocalizedKeyCode
*/
private static Map localizedKeyCodes = null;
/**
* The localized uppercase version of SHIFT
*/
private static String localizedShift;
/**
* The constant to use if there is no mnemonic for this location.
*/
public static final char MNEMONIC_NONE = 0;
/**
* Converts an accelerator key code to a string representation.
*
* @param keyCode
* the key code to be translated
* @return a string representation of the key code
*/
public static final String convertAccelerator(final int keyCode) {
String modifier = getModifierString(keyCode);
String fullKey;
if (modifier.equals("")) { //$NON-NLS-1$
fullKey = findKeyString(keyCode);
} else {
fullKey = modifier + "+" + findKeyString(keyCode); //$NON-NLS-1$
}
return fullKey;
}
/**
* Parses the given accelerator text, and converts it to an accelerator key
* code.
*
* @param acceleratorText
* the accelerator text
* @return the SWT key code, or 0 if there is no accelerator
*/
public static final int convertAccelerator(final String acceleratorText) {
int accelerator = 0;
StringTokenizer stok = new StringTokenizer(acceleratorText, "+"); //$NON-NLS-1$
int keyCode = -1;
boolean hasMoreTokens = stok.hasMoreTokens();
while (hasMoreTokens) {
String token = stok.nextToken();
hasMoreTokens = stok.hasMoreTokens();
// Every token except the last must be one of the modifiers
// Ctrl, Shift, Alt, or Command
if (hasMoreTokens) {
int modifier = findModifier(token);
if (modifier != 0) {
accelerator |= modifier;
} else { // Leave if there are none
return 0;
}
} else {
keyCode = findKeyCode(token);
}
}
if (keyCode != -1) {
accelerator |= keyCode;
}
return accelerator;
}
/**
* Parses the given accelerator text, and converts it to an accelerator key
* code.
*
* Support for localized modifiers is for backwards compatibility with 1.0.
* Use setAccelerator(int) to set accelerators programatically or the
* accelerator tag in action definitions in plugin.xml.
*
* @param acceleratorText
* the accelerator text localized to the current locale
* @return the SWT key code, or 0 if there is no accelerator
*/
static final int convertLocalizedAccelerator(final String acceleratorText) {
int accelerator = 0;
StringTokenizer stok = new StringTokenizer(acceleratorText, "+"); //$NON-NLS-1$
int keyCode = -1;
boolean hasMoreTokens = stok.hasMoreTokens();
while (hasMoreTokens) {
String token = stok.nextToken();
hasMoreTokens = stok.hasMoreTokens();
// Every token except the last must be one of the modifiers
// Ctrl, Shift, Alt, or Command
if (hasMoreTokens) {
int modifier = findLocalizedModifier(token);
if (modifier != 0) {
accelerator |= modifier;
} else { // Leave if there are none
return 0;
}
} else {
keyCode = findLocalizedKeyCode(token);
}
}
if (keyCode != -1) {
accelerator |= keyCode;
}
return accelerator;
}
/**
* Extracts the accelerator text from the given text. Returns
* null if there is no accelerator text, and the empty string
* if there is no text after the accelerator delimeter (tab or '@').
*
* @param text
* the text for the action; may be null.
* @return the accelerator text, or null
*/
public static final String extractAcceleratorText(final String text) {
if (text == null) {
return null;
}
int index = text.lastIndexOf('\t');
if (index == -1) {
index = text.lastIndexOf('@');
}
if (index >= 0) {
return text.substring(index + 1);
}
return null;
}
/**
* Extracts the mnemonic text from the given string.
*
* @param text
* The text from which the mnemonic should be extracted; may be
* null
* @return The text of the mnemonic; will be {@link #MNEMONIC_NONE} if there
* is no mnemonic;
*/
public static final char extractMnemonic(final String text) {
if (text == null) {
return MNEMONIC_NONE;
}
int index = text.indexOf('&');
if (index == -1) {
return MNEMONIC_NONE;
}
final int textLength = text.length();
// Ignore '&' at the end of the string.
if (index == textLength - 1) {
return MNEMONIC_NONE;
}
// Ignore two consecutive ampersands.
while (text.charAt(index + 1) == '&') {
index = text.indexOf('&', ++index);
if (index == textLength - 1) {
return MNEMONIC_NONE;
}
}
return text.charAt(index + 1);
}
/**
* Maps a standard keyboard key name to an SWT key code. Key names are
* converted to upper case before comparison. If the key name is a single
* letter, for example "S", its character code is returned.
*
* The following key names are known (case is ignored):
*
* "BACKSPACE""TAB""RETURN""ENTER""ESC""ESCAPE""DELETE""SPACE""ARROW_UP", "ARROW_DOWN",
* "ARROW_LEFT", and "ARROW_RIGHT""PAGE_UP" and "PAGE_DOWN""HOME""END""INSERT""F1", "F2" through "F12"
*
*
* @param token
* the key name
* @return the SWT key code, -1 if no match was found
* @see SWT
*/
public static final int findKeyCode(String token) {
if (keyCodes == null) {
initKeyCodes();
}
token = token.toUpperCase();
Integer i = (Integer) keyCodes.get(token);
if (i != null) {
return i.intValue();
}
if (token.length() == 1) {
return token.charAt(0);
}
return -1;
}
/**
* Maps an SWT key code to a standard keyboard key name. The key code is
* stripped of modifiers (SWT.CTRL, SWT.ALT, SWT.SHIFT, and SWT.COMMAND). If
* the key code is not an SWT code (for example if it a key code for the key
* 'S'), a string containing a character representation of the key code is
* returned.
*
* @param keyCode
* the key code to be translated
* @return the string representation of the key code
* @see SWT
*/
public static final String findKeyString(final int keyCode) {
if (keyStrings == null) {
initKeyStrings();
}
int i = keyCode & ~(SWT.CTRL | SWT.ALT | SWT.SHIFT | SWT.COMMAND);
Integer integer = new Integer(i);
String result = (String) keyStrings.get(integer);
if (result != null) {
return result;
}
result = new String(new char[] { (char) i });
return result;
}
/**
* Find the supplied code for a localized key. As #findKeyCode but localized
* to the current locale.
*
* Support for localized modifiers is for backwards compatibility with 1.0.
* Use setAccelerator(int) to set accelerators programatically or the
* accelerator tag in action definitions in plugin.xml.
*
* @param token
* the localized key name
* @return the SWT key code, -1 if no match was found
* @see #findKeyCode
*/
private static final int findLocalizedKeyCode(String token) {
if (localizedKeyCodes == null) {
initLocalizedKeyCodes();
}
token = token.toUpperCase();
Integer i = (Integer) localizedKeyCodes.get(token);
if (i != null) {
return i.intValue();
}
if (token.length() == 1) {
return token.charAt(0);
}
return -1;
}
/**
* Maps the localized modifier names to a code in the same manner as
* #findModifier.
*
* Support for localized modifiers is for backwards compatibility with 1.0.
* Use setAccelerator(int) to set accelerators programatically or the
* accelerator tag in action definitions in plugin.xml.
*
* @see #findModifier
*/
private static final int findLocalizedModifier(String token) {
if (localizedCtrl == null) {
initLocalizedModifiers();
}
token = token.toUpperCase();
if (token.equals(localizedCtrl)) {
return SWT.CTRL;
}
if (token.equals(localizedShift)) {
return SWT.SHIFT;
}
if (token.equals(localizedAlt)) {
return SWT.ALT;
}
if (token.equals(localizedCommand)) {
return SWT.COMMAND;
}
return 0;
}
/**
* Maps standard keyboard modifier key names to the corresponding SWT
* modifier bit. The following modifier key names are recognized (case is
* ignored): "CTRL", "SHIFT",
* "ALT", and "COMMAND". The given modifier
* key name is converted to upper case before comparison.
*
* @param token
* the modifier key name
* @return the SWT modifier bit, or 0 if no match was found
* @see SWT
*/
public static final int findModifier(String token) {
token = token.toUpperCase();
if (token.equals("CTRL")) { //$NON-NLS-1$
return SWT.CTRL;
}
if (token.equals("SHIFT")) { //$NON-NLS-1$
return SWT.SHIFT;
}
if (token.equals("ALT")) { //$NON-NLS-1$
return SWT.ALT;
}
if (token.equals("COMMAND")) { //$NON-NLS-1$
return SWT.COMMAND;
}
return 0;
}
/**
* Returns a string representation of an SWT modifier bit (SWT.CTRL,
* SWT.ALT, SWT.SHIFT, and SWT.COMMAND). Returns null if the
* key code is not an SWT modifier bit.
*
* @param keyCode
* the SWT modifier bit to be translated
* @return the string representation of the SWT modifier bit, or
* null if the key code was not an SWT modifier bit
* @see SWT
*/
public static final String findModifierString(final int keyCode) {
if (keyCode == SWT.CTRL) {
return JFaceResources.getString("Ctrl"); //$NON-NLS-1$
}
if (keyCode == SWT.ALT) {
return JFaceResources.getString("Alt"); //$NON-NLS-1$
}
if (keyCode == SWT.SHIFT) {
return JFaceResources.getString("Shift"); //$NON-NLS-1$
}
if (keyCode == SWT.COMMAND) {
return JFaceResources.getString("Command"); //$NON-NLS-1$
}
return null;
}
/**
* Returns the string representation of the modifiers (Ctrl, Alt, Shift,
* Command) of the key event.
*
* @param keyCode
* The key code for which the modifier string is desired.
* @return The string representation of the key code; never
* null.
*/
private static String getModifierString(int keyCode) {
String modString = ""; //$NON-NLS-1$
if ((keyCode & SWT.CTRL) != 0) {
modString = findModifierString(keyCode & SWT.CTRL);
}
if ((keyCode & SWT.ALT) != 0) {
if (modString.equals("")) { //$NON-NLS-1$
modString = findModifierString(keyCode & SWT.ALT);
} else {
modString = modString
+ "+" + findModifierString(keyCode & SWT.ALT); //$NON-NLS-1$
}
}
if ((keyCode & SWT.SHIFT) != 0) {
if (modString.equals("")) { //$NON-NLS-1$
modString = findModifierString(keyCode & SWT.SHIFT);
} else {
modString = modString
+ "+" + findModifierString(keyCode & SWT.SHIFT); //$NON-NLS-1$
}
}
if ((keyCode & SWT.COMMAND) != 0) {
if (modString.equals("")) { //$NON-NLS-1$
modString = findModifierString(keyCode & SWT.COMMAND);
} else {
modString = modString
+ "+" + findModifierString(keyCode & SWT.COMMAND); //$NON-NLS-1$
}
}
return modString;
}
/**
* Initializes the internal key code table.
*/
private static final void initKeyCodes() {
keyCodes = new HashMap(40);
keyCodes.put("BACKSPACE", new Integer(8)); //$NON-NLS-1$
keyCodes.put("TAB", new Integer(9)); //$NON-NLS-1$
keyCodes.put("RETURN", new Integer(13)); //$NON-NLS-1$
keyCodes.put("ENTER", new Integer(13)); //$NON-NLS-1$
keyCodes.put("ESCAPE", new Integer(27)); //$NON-NLS-1$
keyCodes.put("ESC", new Integer(27)); //$NON-NLS-1$
keyCodes.put("DELETE", new Integer(127)); //$NON-NLS-1$
keyCodes.put("SPACE", new Integer(' ')); //$NON-NLS-1$
keyCodes.put("ARROW_UP", new Integer(SWT.ARROW_UP)); //$NON-NLS-1$
keyCodes.put("ARROW_DOWN", new Integer(SWT.ARROW_DOWN)); //$NON-NLS-1$
keyCodes.put("ARROW_LEFT", new Integer(SWT.ARROW_LEFT)); //$NON-NLS-1$
keyCodes.put("ARROW_RIGHT", new Integer(SWT.ARROW_RIGHT)); //$NON-NLS-1$
keyCodes.put("PAGE_UP", new Integer(SWT.PAGE_UP)); //$NON-NLS-1$
keyCodes.put("PAGE_DOWN", new Integer(SWT.PAGE_DOWN)); //$NON-NLS-1$
keyCodes.put("HOME", new Integer(SWT.HOME)); //$NON-NLS-1$
keyCodes.put("END", new Integer(SWT.END)); //$NON-NLS-1$
keyCodes.put("INSERT", new Integer(SWT.INSERT)); //$NON-NLS-1$
keyCodes.put("F1", new Integer(SWT.F1)); //$NON-NLS-1$
keyCodes.put("F2", new Integer(SWT.F2)); //$NON-NLS-1$
keyCodes.put("F3", new Integer(SWT.F3)); //$NON-NLS-1$
keyCodes.put("F4", new Integer(SWT.F4)); //$NON-NLS-1$
keyCodes.put("F5", new Integer(SWT.F5)); //$NON-NLS-1$
keyCodes.put("F6", new Integer(SWT.F6)); //$NON-NLS-1$
keyCodes.put("F7", new Integer(SWT.F7)); //$NON-NLS-1$
keyCodes.put("F8", new Integer(SWT.F8)); //$NON-NLS-1$
keyCodes.put("F9", new Integer(SWT.F9)); //$NON-NLS-1$
keyCodes.put("F10", new Integer(SWT.F10)); //$NON-NLS-1$
keyCodes.put("F11", new Integer(SWT.F11)); //$NON-NLS-1$
keyCodes.put("F12", new Integer(SWT.F12)); //$NON-NLS-1$
keyCodes.put("F13", new Integer(SWT.F13)); //$NON-NLS-1$
keyCodes.put("F14", new Integer(SWT.F14)); //$NON-NLS-1$
keyCodes.put("F15", new Integer(SWT.F15)); //$NON-NLS-1$
keyCodes.put("F16", new Integer(SWT.F16)); //$NON-NLS-1$
keyCodes.put("F17", new Integer(SWT.F17)); //$NON-NLS-1$
keyCodes.put("F18", new Integer(SWT.F18)); //$NON-NLS-1$
keyCodes.put("F19", new Integer(SWT.F19)); //$NON-NLS-1$
keyCodes.put("F20", new Integer(SWT.F20)); //$NON-NLS-1$
}
/**
* Initializes the internal key string table.
*/
private static void initKeyStrings() {
keyStrings = new HashMap(40);
keyStrings.put(new Integer(8), JFaceResources.getString("Backspace")); //$NON-NLS-1$
keyStrings.put(new Integer(9), JFaceResources.getString("Tab")); //$NON-NLS-1$
keyStrings.put(new Integer(13), JFaceResources.getString("Return")); //$NON-NLS-1$
keyStrings.put(new Integer(13), JFaceResources.getString("Enter")); //$NON-NLS-1$
keyStrings.put(new Integer(27), JFaceResources.getString("Escape")); //$NON-NLS-1$
keyStrings.put(new Integer(27), JFaceResources.getString("Esc")); //$NON-NLS-1$
keyStrings.put(new Integer(127), JFaceResources.getString("Delete")); //$NON-NLS-1$
keyStrings.put(new Integer(' '), JFaceResources.getString("Space")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.ARROW_UP), JFaceResources
.getString("Arrow_Up")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.ARROW_DOWN), JFaceResources
.getString("Arrow_Down")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.ARROW_LEFT), JFaceResources
.getString("Arrow_Left")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.ARROW_RIGHT), JFaceResources
.getString("Arrow_Right")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.PAGE_UP), JFaceResources
.getString("Page_Up")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.PAGE_DOWN), JFaceResources
.getString("Page_Down")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.HOME), JFaceResources.getString("Home")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.END), JFaceResources.getString("End")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.INSERT), JFaceResources
.getString("Insert")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F1), JFaceResources.getString("F1")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F2), JFaceResources.getString("F2")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F3), JFaceResources.getString("F3")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F4), JFaceResources.getString("F4")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F5), JFaceResources.getString("F5")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F6), JFaceResources.getString("F6")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F7), JFaceResources.getString("F7")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F8), JFaceResources.getString("F8")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F9), JFaceResources.getString("F9")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F10), JFaceResources.getString("F10")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F11), JFaceResources.getString("F11")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F12), JFaceResources.getString("F12")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F13), JFaceResources.getString("F13")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F14), JFaceResources.getString("F14")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F15), JFaceResources.getString("F15")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F16), JFaceResources.getString("F16")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F17), JFaceResources.getString("F17")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F18), JFaceResources.getString("F18")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F19), JFaceResources.getString("F19")); //$NON-NLS-1$
keyStrings.put(new Integer(SWT.F20), JFaceResources.getString("F20")); //$NON-NLS-1$
}
/**
* Initializes the localized internal key code table.
*/
private static void initLocalizedKeyCodes() {
localizedKeyCodes = new HashMap(40);
localizedKeyCodes.put(JFaceResources
.getString("Backspace").toUpperCase(), new Integer(8)); //$NON-NLS-1$
localizedKeyCodes.put(
JFaceResources.getString("Tab").toUpperCase(), new Integer(9)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("Return").toUpperCase(), new Integer(13)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("Enter").toUpperCase(), new Integer(13)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("Escape").toUpperCase(), new Integer(27)); //$NON-NLS-1$
localizedKeyCodes.put(
JFaceResources.getString("Esc").toUpperCase(), new Integer(27)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("Delete").toUpperCase(), new Integer(127)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("Space").toUpperCase(), new Integer(' ')); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("Arrow_Up").toUpperCase(), new Integer(SWT.ARROW_UP)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("Arrow_Down").toUpperCase(), new Integer(SWT.ARROW_DOWN)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("Arrow_Left").toUpperCase(), new Integer(SWT.ARROW_LEFT)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("Arrow_Right").toUpperCase(), new Integer(SWT.ARROW_RIGHT)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("Page_Up").toUpperCase(), new Integer(SWT.PAGE_UP)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("Page_Down").toUpperCase(), new Integer(SWT.PAGE_DOWN)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("Home").toUpperCase(), new Integer(SWT.HOME)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("End").toUpperCase(), new Integer(SWT.END)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("Insert").toUpperCase(), new Integer(SWT.INSERT)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F1").toUpperCase(), new Integer(SWT.F1)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F2").toUpperCase(), new Integer(SWT.F2)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F3").toUpperCase(), new Integer(SWT.F3)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F4").toUpperCase(), new Integer(SWT.F4)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F5").toUpperCase(), new Integer(SWT.F5)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F6").toUpperCase(), new Integer(SWT.F6)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F7").toUpperCase(), new Integer(SWT.F7)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F8").toUpperCase(), new Integer(SWT.F8)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F9").toUpperCase(), new Integer(SWT.F9)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F10").toUpperCase(), new Integer(SWT.F10)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F11").toUpperCase(), new Integer(SWT.F11)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F12").toUpperCase(), new Integer(SWT.F12)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F13").toUpperCase(), new Integer(SWT.F13)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F14").toUpperCase(), new Integer(SWT.F14)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F15").toUpperCase(), new Integer(SWT.F15)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F16").toUpperCase(), new Integer(SWT.F16)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F17").toUpperCase(), new Integer(SWT.F17)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F18").toUpperCase(), new Integer(SWT.F18)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F19").toUpperCase(), new Integer(SWT.F19)); //$NON-NLS-1$
localizedKeyCodes
.put(
JFaceResources.getString("F20").toUpperCase(), new Integer(SWT.F20)); //$NON-NLS-1$
}
/**
* Initialize the list of localized modifiers
*/
private static void initLocalizedModifiers() {
localizedCtrl = JFaceResources.getString("Ctrl").toUpperCase(); //$NON-NLS-1$
localizedShift = JFaceResources.getString("Shift").toUpperCase(); //$NON-NLS-1$
localizedAlt = JFaceResources.getString("Alt").toUpperCase(); //$NON-NLS-1$
localizedCommand = JFaceResources.getString("Command").toUpperCase(); //$NON-NLS-1$
}
/**
* Convenience method for removing any optional accelerator text from the
* given string. The accelerator text appears at the end of the text, and is
* separated from the main part by a single tab character '\t'.
*
* @param text
* the text
* @return the text sans accelerator
*/
public static final String removeAcceleratorText(final String text) {
int index = text.lastIndexOf('\t');
if (index == -1) {
index = text.lastIndexOf('@');
}
if (index >= 0) {
return text.substring(0, index);
}
return text;
}
/**
* Convenience method for removing any mnemonics from the given string. For
* example, removeMnemonics("&Open") will return
* "Open".
*
* @param text
* the text
* @return the text sans mnemonics
*/
public static final String removeMnemonics(final String text) {
int index = text.indexOf('&');
if (index == -1) {
return text;
}
int len = text.length();
StringBuffer sb = new StringBuffer(len);
int lastIndex = 0;
while (index != -1) {
// ignore & at the end
if (index == len - 1) {
break;
}
// handle the && case
if (text.charAt(index + 1) == '&') {
++index;
}
// DBCS languages use "(&X)" format
if (index > 0 && text.charAt(index - 1) == '('
&& text.length() >= index + 3
&& text.charAt(index + 2) == ')') {
sb.append(text.substring(lastIndex, index - 1));
index += 3;
} else {
sb.append(text.substring(lastIndex, index));
// skip the &
++index;
}
lastIndex = index;
index = text.indexOf('&', index);
}
if (lastIndex < len) {
sb.append(text.substring(lastIndex, len));
}
return sb.toString();
}
/**
* Convenience method for escaping all mnemonics in the given string. For
* example, escapeMnemonics("a & b & c") will return
* "a && b && c".
*
* @param text
* the text
* @return the text with mnemonics escaped
* @since 1.3
*/
public static final String escapeMnemonics(String text) {
return Util.replaceAll(text, "&", "&&"); //$NON-NLS-1$//$NON-NLS-2$
}
/**
* This class cannot be instantiated.
*/
private LegacyActionTools() {
// Does nothing
}
}