diff options
Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/refactorings/extractstring/ExtractStringProposal.java')
| -rw-r--r-- | eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/refactorings/extractstring/ExtractStringProposal.java | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/refactorings/extractstring/ExtractStringProposal.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/refactorings/extractstring/ExtractStringProposal.java new file mode 100644 index 000000000..5400be4e4 --- /dev/null +++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/refactorings/extractstring/ExtractStringProposal.java @@ -0,0 +1,185 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Eclipse Public License, Version 1.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.eclipse.org/org/documents/epl-v10.php + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package com.android.ide.eclipse.adt.internal.refactorings.extractstring; + +import com.android.ide.eclipse.adt.AdtPlugin; +import com.android.ide.eclipse.adt.AdtUtils; + +import org.eclipse.core.resources.IFile; +import org.eclipse.jdt.core.IBuffer; +import org.eclipse.jdt.core.JavaModelException; +import org.eclipse.jdt.core.dom.ASTNode; +import org.eclipse.jdt.ui.text.java.IInvocationContext; +import org.eclipse.jdt.ui.text.java.IJavaCompletionProposal; +import org.eclipse.jface.text.IDocument; +import org.eclipse.jface.text.ITextSelection; +import org.eclipse.jface.text.TextSelection; +import org.eclipse.jface.text.contentassist.IContextInformation; +import org.eclipse.ltk.ui.refactoring.RefactoringWizard; +import org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation; +import org.eclipse.swt.graphics.Image; +import org.eclipse.swt.graphics.Point; +import org.eclipse.ui.IEditorPart; +import org.eclipse.ui.IWorkbenchWindow; +import org.eclipse.ui.PlatformUI; + +/** + * Proposal for extracting strings in Java files + */ +public class ExtractStringProposal implements IJavaCompletionProposal { + private IInvocationContext mContext; + + public ExtractStringProposal(IInvocationContext context) { + mContext = context; + } + + @Override + public void apply(IDocument document) { + IEditorPart editor = AdtUtils.getActiveEditor(); + IFile file = AdtUtils.getActiveFile(); + if (editor == null || file == null) { + return; + } + + ASTNode coveringNode = mContext.getCoveringNode(); + int start = coveringNode.getStartPosition(); + int length = coveringNode.getLength(); + ITextSelection selection = new TextSelection(start, length); + + ExtractStringRefactoring refactoring = new ExtractStringRefactoring(file, editor, + selection); + + RefactoringWizard wizard = new ExtractStringWizard(refactoring, file.getProject()); + RefactoringWizardOpenOperation op = new RefactoringWizardOpenOperation(wizard); + try { + IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); + op.run(window.getShell(), wizard.getDefaultPageTitle()); + } catch (InterruptedException e) { + } + } + + @Override + public Point getSelection(IDocument document) { + return null; + } + + @Override + public String getAdditionalProposalInfo() { + try { + ASTNode coveringNode = mContext.getCoveringNode(); + int start = coveringNode.getStartPosition(); + int length = coveringNode.getLength(); + IBuffer buffer = mContext.getCompilationUnit().getBuffer(); + StringBuilder sb = new StringBuilder(); + String string = buffer.getText(start, length); + string = ExtractStringRefactoring.unquoteAttrValue(string); + String token = ExtractStringInputPage.guessId(string); + + // Look up the beginning and the end of the line (outside of the extracted string) + // such that we can show a preview of the diff, e.g. if you have + // foo.setTitle("Hello"); we want to show foo.setTitle(R.string.hello); + // so we need to extract "foo.setTitle(" and ");". + + // Look backwards to the beginning of the line (and strip whitespace) + int i = start - 1; + while (i > 0) { + char c = buffer.getChar(i); + if (c == '\r' || (c == '\n')) { + break; + } + i--; + } + String linePrefix = buffer.getText(i + 1, start - (i + 1)).trim(); + + // Look forwards to the end of the line (and strip whitespace) + i = start + length; + while (i < buffer.getLength()) { + char c = buffer.getChar(i); + if (c == '\r' || (c == '\n')) { + break; + } + i++; + } + String lineSuffix = buffer.getText(start + length, i - (start + length)); + + // Should we show the replacement as just R.string.foo or + // context.getString(R.string.foo) ? + boolean useContext = false; + ASTNode parent = coveringNode.getParent(); + if (parent != null) { + int type = parent.getNodeType(); + if (type == ASTNode.ASSIGNMENT + || type == ASTNode.VARIABLE_DECLARATION_STATEMENT + || type == ASTNode.VARIABLE_DECLARATION_FRAGMENT + || type == ASTNode.VARIABLE_DECLARATION_EXPRESSION) { + useContext = true; + } + } + + // Display .java change: + sb.append("...<br>"); //$NON-NLS-1$ + sb.append(linePrefix); + sb.append("<b>"); //$NON-NLS-1$ + if (useContext) { + sb.append("context.getString("); //$NON-NLS-1$ + } + sb.append("R.string."); //$NON-NLS-1$ + sb.append(token); + if (useContext) { + sb.append(")"); //$NON-NLS-1$ + } + sb.append("</b>"); //$NON-NLS-1$ + sb.append(lineSuffix); + sb.append("<br>...<br>"); //$NON-NLS-1$ + + // Display strings.xml change: + sb.append("<br>"); //$NON-NLS-1$ + sb.append("<resources><br>"); //$NON-NLS-1$ + sb.append(" <b><string name=\""); //$NON-NLS-1$ + sb.append(token); + sb.append("\">"); //$NON-NLS-1$ + sb.append(string); + sb.append("</string></b><br>"); //$NON-NLS-1$ + sb.append("</resources>"); //$NON-NLS-1$ + + return sb.toString(); + } catch (JavaModelException e) { + AdtPlugin.log(e, null); + } + + return "Initiates the Extract String refactoring operation"; + } + + @Override + public String getDisplayString() { + return "Extract String"; + } + + @Override + public Image getImage() { + return AdtPlugin.getAndroidLogo(); + } + + @Override + public IContextInformation getContextInformation() { + return null; + } + + @Override + public int getRelevance() { + return 80; + } +}
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