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1
11 package org.eclipse.pde.internal.ui.editor.schema;
12
13 import org.eclipse.jface.action.IMenuManager;
14 import org.eclipse.jface.resource.JFaceResources;
15 import org.eclipse.jface.text.Document;
16 import org.eclipse.jface.text.DocumentEvent;
17 import org.eclipse.jface.text.IDocument;
18 import org.eclipse.jface.text.IDocumentListener;
19 import org.eclipse.jface.text.ITextOperationTarget;
20 import org.eclipse.jface.text.source.SourceViewer;
21 import org.eclipse.jface.viewers.ISelection;
22 import org.eclipse.jface.viewers.ISelectionChangedListener;
23 import org.eclipse.jface.viewers.IStructuredSelection;
24 import org.eclipse.jface.viewers.SelectionChangedEvent;
25 import org.eclipse.pde.internal.core.ischema.ISchemaObject;
26 import org.eclipse.pde.internal.core.ischema.ISchemaObjectReference;
27 import org.eclipse.pde.internal.core.schema.SchemaObject;
28 import org.eclipse.pde.internal.ui.PDEUIMessages;
29 import org.eclipse.pde.internal.ui.editor.FormLayoutFactory;
30 import org.eclipse.pde.internal.ui.editor.PDEFormPage;
31 import org.eclipse.pde.internal.ui.editor.PDESection;
32 import org.eclipse.pde.internal.ui.editor.context.XMLDocumentSetupParticpant;
33 import org.eclipse.pde.internal.ui.editor.text.IColorManager;
34 import org.eclipse.pde.internal.ui.editor.text.XMLConfiguration;
35 import org.eclipse.swt.SWT;
36 import org.eclipse.swt.dnd.Clipboard;
37 import org.eclipse.swt.events.FocusAdapter;
38 import org.eclipse.swt.events.FocusEvent;
39 import org.eclipse.swt.layout.GridData;
40 import org.eclipse.swt.widgets.Composite;
41 import org.eclipse.swt.widgets.Control;
42 import org.eclipse.ui.actions.ActionFactory;
43 import org.eclipse.ui.forms.IFormPart;
44 import org.eclipse.ui.forms.IPartSelectionListener;
45 import org.eclipse.ui.forms.widgets.FormToolkit;
46 import org.eclipse.ui.forms.widgets.Section;
47
48 public class DescriptionSection extends PDESection implements IPartSelectionListener {
49 private SourceViewer fSourceViewer;
50 private IDocument fDocument;
51 private ISchemaObject fElement;
52 private boolean fIgnoreChange;
53 private XMLConfiguration fSourceConfiguration;
54
55 public DescriptionSection(PDEFormPage page, Composite parent, IColorManager colorManager) {
56 super(page, parent, Section.DESCRIPTION);
57 fSourceConfiguration = new XMLConfiguration(colorManager);
58 getSection().setText(PDEUIMessages.SchemaEditor_DescriptionSection_title);
59 getSection().setDescription(PDEUIMessages.SchemaEditor_DescriptionSection_desc);
60 createClient(getSection(), page.getManagedForm().getToolkit());
61 }
62
63 public void commit(boolean onSave) {
64 updateDescription();
65 super.commit(onSave);
66 }
67
68 public void createClient(
69 Section section,
70 FormToolkit toolkit) {
71
72 Composite container = toolkit.createComposite(section);
73 container.setLayout(FormLayoutFactory.createSectionClientGridLayout(false, 2));
74 GridData data = new GridData(GridData.FILL_HORIZONTAL);
75 section.setLayoutData(data);
76
77 GridData gd;
78 fSourceViewer = new SourceViewer(container, null, SWT.MULTI|SWT.WRAP|SWT.V_SCROLL| SWT.H_SCROLL);
79 fSourceViewer.configure(fSourceConfiguration);
80 fDocument = new Document();
81 new XMLDocumentSetupParticpant().setup(fDocument);
82 fSourceViewer.setDocument(fDocument);
83 fSourceViewer.setEditable(isEditable());
84 fSourceViewer.addSelectionChangedListener(new ISelectionChangedListener() {
85 public void selectionChanged(SelectionChangedEvent event) {
86 updateSelection(event.getSelection());
87 }
88 });
89
90 Control styledText = fSourceViewer.getTextWidget();
91 styledText.setFont(JFaceResources.getFontRegistry().get(JFaceResources.TEXT_FONT));
92 if (SWT.getPlatform().equals("motif") == false) toolkit.paintBordersFor(container);
94 styledText.setData(FormToolkit.KEY_DRAW_BORDER, FormToolkit.TEXT_BORDER);
95 Control[] children = container.getChildren();
96 Control control = children[children.length - 1];
97 gd = new GridData(GridData.FILL_BOTH);
98 gd.widthHint = 200;
99 gd.heightHint = 120;
100 control.setLayoutData(gd);
101 styledText.setMenu(getPage().getPDEEditor().getContextMenu());
102 styledText.addFocusListener(new FocusAdapter() {
103 public void focusGained(FocusEvent e) {
104 updateSelection(fSourceViewer.getSelection());
105 }
106 });
107 section.setClient(container);
108 initialize();
109 }
110
111 private void updateSelection(ISelection selection) {
112 getPage().getPDEEditor().setSelection(selection);
113 }
114
115 public boolean doGlobalAction(String  actionId) {
116 if (actionId.equals(ActionFactory.CUT.getId())) {
117 fSourceViewer.doOperation(ITextOperationTarget.CUT);
118 return true;
119 } else if (
120 actionId.equals(ActionFactory.COPY.getId())) {
121 fSourceViewer.doOperation(ITextOperationTarget.COPY);
122 return true;
123 } else if (
124 actionId.equals(ActionFactory.PASTE.getId())) {
125 fSourceViewer.doOperation(ITextOperationTarget.PASTE);
126 return true;
127 } else if (
128 actionId.equals(ActionFactory.SELECT_ALL.getId())) {
129 fSourceViewer.doOperation(ITextOperationTarget.SELECT_ALL);
130 return true;
131 } else if (
132 actionId.equals(ActionFactory.DELETE.getId())) {
133 fSourceViewer.doOperation(ITextOperationTarget.DELETE);
134 return true;
135 } else if (
136 actionId.equals(ActionFactory.UNDO.getId())) {
137 fSourceViewer.doOperation(ITextOperationTarget.UNDO);
138 return true;
139 } else if (
140 actionId.equals(ActionFactory.REDO.getId())) {
141 fSourceViewer.doOperation(ITextOperationTarget.REDO);
142 return true;
143 }
144 return false;
145 }
146
147 protected void fillContextMenu(IMenuManager manager) {
148 getPage().getPDEEditor().getContributor().contextMenuAboutToShow(manager);
149 }
150
151 private void updateDescription() {
152 if (fElement instanceof SchemaObject) {
153 ((SchemaObject)fElement).setDescription(fDocument.get());
154 }
155 }
156
157 public void initialize() {
158 updateDocument();
159 fDocument.addDocumentListener(new IDocumentListener() {
160 public void documentChanged(DocumentEvent e) {
161 if (!fIgnoreChange && getPage().getPDEEditor().getAggregateModel().isEditable()) {
162 markDirty();
163 }
164 }
165 public void documentAboutToBeChanged(DocumentEvent e) {
166 }
167 });
168 }
169
170 public void selectionChanged(IFormPart part, ISelection selection) {
171 if (!(part instanceof ElementSection))
172 return;
173 Object changeObject = ((IStructuredSelection)selection).getFirstElement();
174 if (changeObject != fElement && isDirty())
175 updateDescription();
176 fElement = (ISchemaObject) changeObject;
177 if (fElement instanceof ISchemaObjectReference)
178 fElement = ((ISchemaObjectReference)fElement).getReferencedObject();
179 updateDocument();
180 }
181
182 public void setFocus() {
183 fSourceViewer.getTextWidget().setFocus();
184 }
185
186 public void updateDocument() {
187 if (fElement != null) {
188 fIgnoreChange = true;
189 String text = fElement.getDescription();
190 fDocument.set(text == null ? "" : text); fIgnoreChange = false;
192 }
193 }
194
195 public boolean canPaste(Clipboard clipboard) {
196 return fSourceViewer.canDoOperation(ITextOperationTarget.PASTE);
197 }
198
199
202 public void dispose() {
203 if (fSourceConfiguration != null) {
205 fSourceConfiguration.dispose();
206 }
207 super.dispose();
208 }
209
210 }
211 |
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