| /******************************************************************************* |
| * Copyright (c) 2006, 2012 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.jdt.internal.debug.ui.variables; |
| |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.internal.ui.elements.adapters.DefaultVariableCellModifier; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| import org.eclipse.jdt.core.Signature; |
| import org.eclipse.jdt.debug.core.IJavaVariable; |
| |
| /** |
| * @since 3.2 |
| * |
| */ |
| public class JavaVariableCellModifier extends DefaultVariableCellModifier { |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.debug.internal.ui.elements.adapters.DefaultVariableCellModifier#canModify(java.lang.Object, |
| * java.lang.String) |
| */ |
| @Override |
| public boolean canModify(Object element, String property) { |
| if (IDebugUIConstants.COLUMN_ID_VARIABLE_VALUE.equals(property)) { |
| if (element instanceof IJavaVariable) { |
| IJavaVariable var = (IJavaVariable) element; |
| if (var.supportsValueModification()){ |
| try { |
| String signature = var.getSignature(); |
| if (signature != null) { |
| if (signature.length() == 1) { |
| // primitive |
| return true; |
| } |
| return signature.equals("Ljava/lang/String;"); //$NON-NLS-1$ |
| } |
| } catch (DebugException e) { |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.debug.internal.ui.elements.adapters.DefaultVariableCellModifier#getValue(java.lang.Object, |
| * java.lang.String) |
| */ |
| @Override |
| public Object getValue(Object element, String property) { |
| if (IDebugUIConstants.COLUMN_ID_VARIABLE_VALUE.equals(property)) { |
| if (element instanceof IJavaVariable) { |
| IJavaVariable var = (IJavaVariable) element; |
| if (isBoolean(var)) { |
| try { |
| if (var.getValue().getValueString().equals(Boolean.toString(true))) { |
| return new Integer(0); |
| } |
| return new Integer(1); |
| } catch (DebugException e) { |
| } |
| } |
| } |
| } |
| return super.getValue(element, property); |
| } |
| |
| @Override |
| public void modify(Object element, String property, Object value) { |
| Object oldValue = getValue(element, property); |
| if (!value.equals(oldValue)) { |
| if (IDebugUIConstants.COLUMN_ID_VARIABLE_VALUE.equals(property)) { |
| if (element instanceof IJavaVariable) { |
| IJavaVariable var = (IJavaVariable) element; |
| if (isBoolean(var)) { |
| if (value instanceof Integer) { |
| switch (((Integer) value).intValue()) { |
| case 0: |
| super.modify(element, property, Boolean.toString(true)); |
| return; |
| case 1: |
| super.modify(element, property, Boolean.toString(false)); |
| return; |
| default: |
| // invalid value |
| return; |
| } |
| } |
| // invalid value |
| return; |
| } |
| } |
| } |
| super.modify(element, property, value); |
| } |
| } |
| |
| /** |
| * Returns whether the given variable is a boolean. |
| * |
| * @param variable |
| * @return |
| */ |
| public static boolean isBoolean(IJavaVariable variable) { |
| try { |
| String signature = variable.getSignature(); |
| return (signature.length() == 1 && signature.charAt(0) == Signature.C_BOOLEAN); |
| } catch (DebugException e) { |
| } |
| return false; |
| } |
| |
| } |