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Java > Open Source Codes > org > eclipse > jdt > internal > ui > preferences > JavaElementInfoPage


1 /*******************************************************************************
2  * Copyright (c) 2000, 2005 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/

11 package org.eclipse.jdt.internal.ui.preferences;
12
13 import org.eclipse.core.resources.IResource;
14
15 import org.eclipse.swt.SWT;
16 import org.eclipse.swt.layout.GridData;
17 import org.eclipse.swt.layout.GridLayout;
18 import org.eclipse.swt.widgets.Composite;
19 import org.eclipse.swt.widgets.Control;
20 import org.eclipse.swt.widgets.Label;
21
22 import org.eclipse.jface.dialogs.Dialog;
23
24 import org.eclipse.ui.PlatformUI;
25 import org.eclipse.ui.dialogs.PropertyPage;
26
27 import org.eclipse.jdt.core.IClasspathEntry;
28 import org.eclipse.jdt.core.ICompilationUnit;
29 import org.eclipse.jdt.core.IJavaElement;
30 import org.eclipse.jdt.core.IJavaProject;
31 import org.eclipse.jdt.core.IPackageFragment;
32 import org.eclipse.jdt.core.IPackageFragmentRoot;
33 import org.eclipse.jdt.core.JavaModelException;
34
35 import org.eclipse.jdt.internal.corext.util.Resources;
36
37 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
38
39
40 /**
41  * This is a dummy PropertyPage for JavaElements.
42  * Copied from the ResourceInfoPage
43  */

44 public class JavaElementInfoPage extends PropertyPage {
45     
46     /*
47      * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
48      */

49     public void createControl(Composite parent) {
50         super.createControl(parent);
51         PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaHelpContextIds.JAVA_ELEMENT_INFO_PAGE);
52     }
53     
54     /*
55      * (non-Javadoc)
56      * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
57      */

58     protected Control createContents(Composite parent) {
59         // ensure the page has no special buttons
60
noDefaultAndApplyButton();
61
62         IJavaElement element= (IJavaElement)getElement();
63         
64         IResource resource= element.getResource();
65         
66         Composite composite= new Composite(parent, SWT.NONE);
67         GridLayout layout= new GridLayout();
68         layout.numColumns= 2;
69         composite.setLayout(layout);
70         composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL));
71
72         Label nameLabel= new Label(composite, SWT.NONE);
73         nameLabel.setText(PreferencesMessages.JavaElementInfoPage_nameLabel);
74
75         Label nameValueLabel= new Label(composite, SWT.NONE);
76         nameValueLabel.setText(element.getElementName());
77
78         if (resource != null) {
79             // path label
80
Label pathLabel= new Label(composite, SWT.NONE);
81             pathLabel.setText(PreferencesMessages.JavaElementInfoPage_resource_path);
82
83             // path value label
84
Label pathValueLabel= new Label(composite, SWT.NONE);
85             pathValueLabel.setText(resource.getFullPath().toString());
86         }
87         if (element instanceof ICompilationUnit) {
88             ICompilationUnit unit= (ICompilationUnit)element;
89             Label packageLabel= new Label(composite, SWT.NONE);
90             packageLabel.setText(PreferencesMessages.JavaElementInfoPage_package);
91             Label packageName= new Label(composite, SWT.NONE);
92             packageName.setText(unit.getParent().getElementName());
93             
94         } else if (element instanceof IPackageFragment) {
95             IPackageFragment packageFragment= (IPackageFragment)element;
96             Label packageContents= new Label(composite, SWT.NONE);
97             packageContents.setText(PreferencesMessages.JavaElementInfoPage_package_contents);
98             Label packageContentsType= new Label(composite, SWT.NONE);
99             try {
100                 if (packageFragment.getKind() == IPackageFragmentRoot.K_SOURCE)
101                     packageContentsType.setText(PreferencesMessages.JavaElementInfoPage_source);
102                 else
103                     packageContentsType.setText(PreferencesMessages.JavaElementInfoPage_binary);
104             } catch (JavaModelException e) {
105                 packageContentsType.setText(PreferencesMessages.JavaElementInfoPage_not_present);
106             }
107         } else if (element instanceof IPackageFragmentRoot) {
108             Label rootContents= new Label(composite, SWT.NONE);
109             rootContents.setText(PreferencesMessages.JavaElementInfoPage_classpath_entry_kind);
110             Label rootContentsType= new Label(composite, SWT.NONE);
111             try {
112                 IClasspathEntry entry= ((IPackageFragmentRoot)element).getRawClasspathEntry();
113                 if (entry != null) {
114                     switch (entry.getEntryKind()) {
115                         case IClasspathEntry.CPE_SOURCE:
116                             rootContentsType.setText(PreferencesMessages.JavaElementInfoPage_source); break;
117                         case IClasspathEntry.CPE_PROJECT:
118                             rootContentsType.setText(PreferencesMessages.JavaElementInfoPage_project); break;
119                         case IClasspathEntry.CPE_LIBRARY:
120                             rootContentsType.setText(PreferencesMessages.JavaElementInfoPage_library); break;
121                         case IClasspathEntry.CPE_VARIABLE:
122                             rootContentsType.setText(PreferencesMessages.JavaElementInfoPage_variable);
123                             Label varPath= new Label(composite, SWT.NONE);
124                             varPath.setText(PreferencesMessages.JavaElementInfoPage_variable_path);
125                             Label varPathVar= new Label(composite, SWT.NONE);
126                             varPathVar.setText(entry.getPath().makeRelative().toString());
127                             break;
128                     }
129                 } else {
130                     rootContentsType.setText(PreferencesMessages.JavaElementInfoPage_not_present);
131                 }
132             } catch (JavaModelException e) {
133                 rootContentsType.setText(PreferencesMessages.JavaElementInfoPage_not_present);
134             }
135         } else if (element instanceof IJavaProject) {
136             Label packageLabel= new Label(composite, SWT.NONE);
137             packageLabel.setText(PreferencesMessages.JavaElementInfoPage_location);
138             String JavaDoc location= Resources.getLocationString(((IJavaProject)element).getProject());
139             if (location != null) {
140                 Label packageName= new Label(composite, SWT.NONE);
141                 packageName.setText(location);
142             }
143         }
144         Dialog.applyDialogFont(composite);
145         return composite;
146     }
147
148 }
149
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