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1
11 package org.eclipse.ltk.internal.ui.refactoring.scripting;
12
13 import java.io.BufferedInputStream  ;
14 import java.io.ByteArrayInputStream ;
15 import java.io.File ;
16 import java.io.FileInputStream ;
17 import java.io.IOException ;
18 import java.io.InputStream ;
19 import java.io.UnsupportedEncodingException ;
20 import java.net.URI ;
21
22 import org.eclipse.core.runtime.Assert;
23 import org.eclipse.core.runtime.CoreException;
24
25 import org.eclipse.ltk.core.refactoring.RefactoringCore;
26 import org.eclipse.ltk.core.refactoring.RefactoringDescriptor;
27
28 import org.eclipse.ltk.internal.core.refactoring.IRefactoringSerializationConstants;
29 import org.eclipse.ltk.internal.ui.refactoring.IRefactoringHelpContextIds;
30 import org.eclipse.ltk.internal.ui.refactoring.RefactoringUIPlugin;
31
32 import org.eclipse.swt.SWT;
33 import org.eclipse.swt.dnd.Clipboard;
34 import org.eclipse.swt.dnd.TextTransfer;
35 import org.eclipse.swt.layout.GridData;
36 import org.eclipse.swt.layout.GridLayout;
37 import org.eclipse.swt.widgets.Composite;
38 import org.eclipse.swt.widgets.Group;
39
40 import org.eclipse.jface.dialogs.Dialog;
41 import org.eclipse.jface.wizard.WizardPage;
42
43 import org.eclipse.ui.PlatformUI;
44
45
50 public final class ApplyRefactoringScriptWizardPage extends WizardPage {
51
52
53 private static final String PAGE_NAME= "ApplyRefactoringScriptWizardPage";
55
56 private boolean fFirstTime= true;
57
58
59 private RefactoringScriptLocationControl fLocationControl= null;
60
61
62 private final ApplyRefactoringScriptWizard fWizard;
63
64
70 public ApplyRefactoringScriptWizardPage(final ApplyRefactoringScriptWizard wizard) {
71 super(PAGE_NAME);
72 Assert.isNotNull(wizard);
73 fWizard= wizard;
74 setTitle(ScriptingMessages.ApplyRefactoringScriptWizard_title);
75 setDescription(ScriptingMessages.ApplyRefactoringScriptWizard_description);
76 }
77
78
81 public boolean canFlipToNextPage() {
82 return super.canFlipToNextPage();
83 }
84
85
88 public void createControl(final Composite parent) {
89 initializeDialogUnits(parent);
90 final Composite composite= new Composite(parent, SWT.NONE);
91 composite.setLayout(new GridLayout());
92 composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL));
93
94 final Group group= new Group(composite, SWT.NONE);
95 group.setText(ScriptingMessages.ApplyRefactoringScriptWizardPage_location_caption);
96 final GridLayout layout= new GridLayout();
97 layout.marginWidth= 0;
98 group.setLayout(layout);
99 group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
100
101 fLocationControl= new RefactoringScriptLocationControl(fWizard, group) {
102
103 protected final void handleClipboardScriptChanged() {
104 super.handleClipboardScriptChanged();
105 ApplyRefactoringScriptWizardPage.this.fWizard.setRefactoringHistory(null);
106 setErrorMessage(null);
107 setPageComplete(true);
108 handleClipboardChanged();
109 }
110
111 protected final void handleExternalLocationChanged() {
112 super.handleExternalLocationChanged();
113 ApplyRefactoringScriptWizardPage.this.fWizard.setRefactoringHistory(null);
114 setErrorMessage(null);
115 setPageComplete(true);
116 handleLocationChanged();
117 }
118 };
119 setPageComplete(false);
120 fLocationControl.loadHistory();
121 fFirstTime= false;
122 setControl(composite);
123 Dialog.applyDialogFont(composite);
124 PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IRefactoringHelpContextIds.REFACTORING_APPLY_SCRIPT_PAGE);
125 }
126
127
130 private void handleClipboardChanged() {
131 Clipboard clipboard= null;
132 try {
133 clipboard= new Clipboard(fLocationControl.getDisplay());
134 final Object contents= clipboard.getContents(TextTransfer.getInstance());
135 if (contents == null) {
136 setErrorMessage(ScriptingMessages.ApplyRefactoringScriptWizardPage_empty_clipboard);
137 setPageComplete(false);
138 return;
139 }
140 if (contents instanceof String ) {
141 final String script= (String ) contents;
142 try {
143 final ByteArrayInputStream stream= new ByteArrayInputStream (script.getBytes(IRefactoringSerializationConstants.OUTPUT_ENCODING));
144 fWizard.setRefactoringHistory(RefactoringCore.getHistoryService().readRefactoringHistory(stream, RefactoringDescriptor.NONE));
145 } catch (UnsupportedEncodingException exception) {
146 } catch (CoreException exception) {
148 setErrorMessage(ScriptingMessages.ApplyRefactoringScriptWizardPage_no_script_clipboard);
149 setPageComplete(false);
150 return;
151 }
152 } else {
153 setErrorMessage(ScriptingMessages.ApplyRefactoringScriptWizardPage_no_text_clipboard);
154 setPageComplete(false);
155 }
156 } finally {
157 if (clipboard != null)
158 clipboard.dispose();
159 }
160 }
161
162
165 private void handleLocationChanged() {
166 final URI uri= fLocationControl.getRefactoringScript();
167 if (uri == null) {
168 setErrorMessage(ScriptingMessages.ApplyRefactoringScriptWizardPage_invalid_location);
169 setPageComplete(false);
170 return;
171 }
172 final File file= new File (uri);
173 if (!file.exists()) {
174 setErrorMessage(ScriptingMessages.ApplyRefactoringScriptWizardPage_invalid_script_file);
175 setPageComplete(false);
176 return;
177 }
178 InputStream stream= null;
179 try {
180 stream= new BufferedInputStream (new FileInputStream (file));
181 fWizard.setRefactoringHistory(RefactoringCore.getHistoryService().readRefactoringHistory(stream, RefactoringDescriptor.NONE));
182 } catch (IOException exception) {
183 setErrorMessage(ScriptingMessages.ApplyRefactoringScriptWizardPage_error_cannot_read);
184 setPageComplete(false);
185 return;
186 } catch (CoreException exception) {
187 setErrorMessage(ScriptingMessages.ApplyRefactoringScriptWizardPage_invalid_format);
188 setPageComplete(false);
189 return;
190 } finally {
191 if (stream != null) {
192 try {
193 stream.close();
194 } catch (IOException exception) {
195 }
197 }
198 }
199 }
200
201
204 public void performFinish() {
205 fLocationControl.saveHistory();
206 }
207
208
211 public void setErrorMessage(final String message) {
212 if (!fFirstTime)
213 super.setErrorMessage(message);
214 else
215 setMessage(message, NONE);
216 }
217
218
221 public void setVisible(final boolean visible) {
222 if (visible) {
223 final URI uri= fWizard.getRefactoringScript();
224 if (uri != null) {
225 fWizard.setRefactoringScript(null);
226 try {
227 fLocationControl.setRefactoringScript(uri);
228 handleLocationChanged();
229 } catch (IllegalArgumentException exception) {
230 RefactoringUIPlugin.log(exception);
231 }
232 }
233 }
234 super.setVisible(visible);
235 }
236 }
237 |
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