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1
9 package de.loskutov.bco.ui.actions;
10
11 import java.util.ArrayList  ;
12 import java.util.BitSet ;
13 import java.util.Iterator ;
14
15 import org.eclipse.compare.CompareUI;
16 import org.eclipse.core.resources.IFile;
17 import org.eclipse.core.runtime.IAdaptable;
18 import org.eclipse.jdt.core.IClassFile;
19 import org.eclipse.jdt.core.ICompilationUnit;
20 import org.eclipse.jdt.core.IJavaElement;
21 import org.eclipse.jdt.core.JavaCore;
22 import org.eclipse.jface.action.IAction;
23 import org.eclipse.jface.preference.IPreferenceStore;
24 import org.eclipse.jface.viewers.ISelection;
25 import org.eclipse.jface.viewers.IStructuredSelection;
26 import org.eclipse.swt.widgets.Shell;
27 import org.eclipse.ui.IObjectActionDelegate;
28 import org.eclipse.ui.IWorkbenchPart;
29
30 import de.loskutov.bco.BytecodeOutlinePlugin;
31 import de.loskutov.bco.compare.BytecodeCompare;
32 import de.loskutov.bco.compare.TypedElement;
33 import de.loskutov.bco.preferences.BCOConstants;
34 import de.loskutov.bco.ui.JdtUtils;
35
36
39 public abstract class BytecodeAction implements IObjectActionDelegate {
40 protected IStructuredSelection selection;
41 protected Shell shell;
42
43
48 public void selectionChanged(IAction action, ISelection newSelection) {
49 if (newSelection instanceof IStructuredSelection) {
50 this.selection = (IStructuredSelection) newSelection;
51 }
52 }
53
54
57 public void setActivePart(IAction action, IWorkbenchPart targetPart) {
58 this.shell = targetPart.getSite().getShell();
59 }
60
61
64 protected void exec(IJavaElement element1, IJavaElement element2) throws Exception {
65 final BitSet modes = getModes();
66 CompareUI.openCompareEditor(new BytecodeCompare(
67 createTypedElement(element1, modes),
68 createTypedElement(element2, modes)));
69 }
70
71 protected TypedElement createTypedElement(IJavaElement javaElement, BitSet modes) {
72 String name;
73 IClassFile classFile = (IClassFile) javaElement
74 .getAncestor(IJavaElement.CLASS_FILE);
75 if (classFile != null) {
77 name = classFile.getPath().toOSString();
78 if (!name.endsWith(".class")) { name += '/' + JdtUtils.getFullBytecodeName(classFile);
80 }
81 } else {
82 name = JdtUtils.getByteCodePath(javaElement);
84 }
85 String methodName = null;
86 if(javaElement.getElementType() == IJavaElement.METHOD ||
87 javaElement.getElementType() == IJavaElement.INITIALIZER){
88 methodName = JdtUtils.getMethodSignature(javaElement);
89 if(methodName != null){
90 name += ":" + methodName;
91 }
92 }
93 return new TypedElement(name, methodName, TypedElement.TYPE_BYTECODE, javaElement, modes);
94 }
95
96 private BitSet getModes() {
97 IPreferenceStore store = BytecodeOutlinePlugin.getDefault().getPreferenceStore();
98 BitSet modes = new BitSet ();
99 modes.set(BCOConstants.F_LINK_VIEW_TO_EDITOR, store.getBoolean(BCOConstants.LINK_VIEW_TO_EDITOR));
100 modes.set(BCOConstants.F_SHOW_ONLY_SELECTED_ELEMENT, store.getBoolean(BCOConstants.SHOW_ONLY_SELECTED_ELEMENT));
101 modes.set(BCOConstants.F_SHOW_RAW_BYTECODE, store.getBoolean(BCOConstants.SHOW_RAW_BYTECODE));
102 modes.set(BCOConstants.F_SHOW_LINE_INFO, store.getBoolean(BCOConstants.SHOW_LINE_INFO));
103 modes.set(BCOConstants.F_SHOW_VARIABLES, store.getBoolean(BCOConstants.SHOW_VARIABLES));
104 modes.set(BCOConstants.F_SHOW_ASMIFIER_CODE, store.getBoolean(BCOConstants.SHOW_ASMIFIER_CODE));
105 modes.set(BCOConstants.F_SHOW_ANALYZER, store.getBoolean(BCOConstants.SHOW_ANALYZER));
106 modes.set(BCOConstants.F_SHOW_STACKMAP, store.getBoolean(BCOConstants.SHOW_STACKMAP));
107 modes.set(BCOConstants.F_EXPAND_STACKMAP, store.getBoolean(BCOConstants.EXPAND_STACKMAP));
108 return modes;
109 }
110
111 protected IJavaElement[] getSelectedResources() {
112 ArrayList resources = null;
113 if (!selection.isEmpty()) {
114 resources = new ArrayList ();
115 for (Iterator elements = selection.iterator(); elements.hasNext();) {
116 Object next = elements.next();
117 if (next instanceof IFile) {
118 resources.add(JavaCore.create((IFile)next));
119 continue;
120 } if (next instanceof IJavaElement) {
121 resources.add(next);
122 continue;
123 } else if (next instanceof IAdaptable) {
124 IAdaptable a = (IAdaptable) next;
125 Object adapter = a.getAdapter(IFile.class);
126 if (adapter instanceof IFile) {
127 resources.add(JavaCore.create((IFile)adapter));
128 continue;
129 }
130 adapter = a.getAdapter(ICompilationUnit.class);
131 if (adapter instanceof ICompilationUnit) {
132 resources.add(adapter);
133 continue;
134 }
135
136 adapter = a.getAdapter(IClassFile.class);
137 if (adapter instanceof IClassFile) {
138 resources.add(adapter);
139 continue;
140 }
141 }
142 }
143 }
144
145 if (resources != null && !resources.isEmpty()) {
146 return (IJavaElement[]) resources.toArray(new IJavaElement[resources
147 .size()]);
148 }
149
150 return new IJavaElement[0];
151 }
152 }
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