1 files changed, 170 insertions, 0 deletions
diff --git a/plugins/org.eclipse.xtend.shared.ui/src/org/eclipse/xtend/shared/ui/expression/editor/codeassist/TextSelectingProposal.java b/plugins/org.eclipse.xtend.shared.ui/src/org/eclipse/xtend/shared/ui/expression/editor/codeassist/TextSelectingProposal.java
new file mode 100644
index 00000000..880b156c
--- /dev/null
+++ b/plugins/org.eclipse.xtend.shared.ui/src/org/eclipse/xtend/shared/ui/expression/editor/codeassist/TextSelectingProposal.java
@@ -0,0 +1,170 @@
+/*******************************************************************************
+ * Copyright (c) 2005, 2006 committers of openArchitectureWare and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     committers of openArchitectureWare - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.xtend.shared.ui.expression.editor.codeassist;
+
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.contentassist.ICompletionProposal;
+import org.eclipse.jface.text.contentassist.IContextInformation;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Point;
+
+public class TextSelectingProposal implements ICompletionProposal {
+
+	/** The string to be displayed in the completion proposal popup. */
+	private String fDisplayString;
+
+	/** The replacement string. */
+	private String fReplacementString;
+
+	/** The replacement offset. */
+	private int fReplacementOffset;
+
+	/** The replacement length. */
+	private int fReplacementLength;
+
+	/** The cursor position after this proposal has been applied. */
+	private int fCursorPosition;
+
+	/** The image to be displayed in the completion proposal popup. */
+	private Image fImage;
+
+	/** The context information of this proposal. */
+	private IContextInformation fContextInformation;
+
+	/** The additional info of this proposal. */
+	private String fAdditionalProposalInfo;
+
+	private int fSelectionLength;
+
+	/**
+	 * Creates a new completion proposal based on the provided information. The
+	 * replacement string is considered being the display string too. All
+	 * remaining fields are set to <code>null</code>.
+	 * 
+	 * @param replacementString
+	 *            the actual string to be inserted into the document
+	 * @param replacementOffset
+	 *            the offset of the text to be replaced
+	 * @param replacementLength
+	 *            the length of the text to be replaced
+	 * @param cursorPosition
+	 *            the position of the cursor following the insert relative to
+	 *            replacementOffset
+	 */
+	public TextSelectingProposal(final String replacementString, final int replacementOffset, final int replacementLength, final int cursorPosition,
+			final int selectionLength) {
+		this(replacementString, replacementOffset, replacementLength, cursorPosition, selectionLength, null, null, null, null);
+	}
+
+	/**
+	 * Creates a new completion proposal. All fields are initialized based on
+	 * the provided information.
+	 * 
+	 * @param replacementString
+	 *            the actual string to be inserted into the document
+	 * @param replacementOffset
+	 *            the offset of the text to be replaced
+	 * @param replacementLength
+	 *            the length of the text to be replaced
+	 * @param cursorPosition
+	 *            the position of the cursor following the insert relative to
+	 *            replacementOffset
+	 * @param image
+	 *            the image to display for this proposal
+	 * @param displayString
+	 *            the string to be displayed for the proposal
+	 * @param contextInformation
+	 *            the context information associated with this proposal
+	 * @param additionalProposalInfo
+	 *            the additional information associated with this proposal
+	 */
+	public TextSelectingProposal(final String replacementString, final int replacementOffset, final int replacementLength, final int cursorPosition,
+			final int selectionLength, final Image image, final String displayString, final IContextInformation contextInformation,
+			final String additionalProposalInfo) {
+		Assert.isNotNull(replacementString);
+		Assert.isTrue(replacementOffset >= 0);
+		Assert.isTrue(replacementLength >= 0);
+		Assert.isTrue(cursorPosition >= 0);
+
+		fReplacementString = replacementString;
+		fReplacementOffset = replacementOffset;
+		fReplacementLength = replacementLength;
+		fCursorPosition = cursorPosition;
+		fImage = image;
+		fDisplayString = displayString;
+		fContextInformation = contextInformation;
+		fAdditionalProposalInfo = additionalProposalInfo;
+
+		fSelectionLength = selectionLength;
+	}
+
+	// private final static Pattern pattern = Pattern.compile("\\A\\s*" +
+	// XpandTokens.RT);
+
+	/*
+	 * @see ICompletionProposal#apply(IDocument)
+	 */
+	public void apply(final IDocument document) {
+		try {
+
+			// String s = document.get().substring(fReplacementOffset +
+			// fReplacementLength);
+			// Matcher m = pattern.matcher(s);
+			// if (m.find()) {
+			// document.replace(m.start(), m.end(), "");
+			// }
+			document.replace(fReplacementOffset, fReplacementLength, fReplacementString);
+
+		} catch (final BadLocationException x) {
+			// ignore
+		}
+	}
+
+	/*
+	 * @see ICompletionProposal#getSelection(IDocument)
+	 */
+	public Point getSelection(final IDocument document) {
+		return new Point(fReplacementOffset + fCursorPosition, fSelectionLength);
+	}
+
+	/*
+	 * @see ICompletionProposal#getContextInformation()
+	 */
+	public IContextInformation getContextInformation() {
+		return fContextInformation;
+	}
+
+	/*
+	 * @see ICompletionProposal#getImage()
+	 */
+	public Image getImage() {
+		return fImage;
+	}
+
+	/*
+	 * @see ICompletionProposal#getDisplayString()
+	 */
+	public String getDisplayString() {
+		if (fDisplayString != null)
+			return fDisplayString;
+		return fReplacementString;
+	}
+
+	/*
+	 * @see ICompletionProposal#getAdditionalProposalInfo()
+	 */
+	public String getAdditionalProposalInfo() {
+		return fAdditionalProposalInfo;
+	}
+
+}