+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2004 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package net.sourceforge.phpdt.internal.ui.text.template.contentassist;
-
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-
-import org.eclipse.jface.text.Assert;
-import org.eclipse.jface.text.BadLocationException;
-import org.eclipse.jface.text.DocumentEvent;
-import org.eclipse.jface.text.IDocument;
-import org.eclipse.jface.text.ITextViewer;
-import org.eclipse.jface.text.contentassist.ICompletionProposal;
-import org.eclipse.jface.text.contentassist.ICompletionProposalExtension2;
-import org.eclipse.jface.text.contentassist.IContextInformation;
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.graphics.Point;
-
-/**
- * Global state for templates. Selecting a proposal for the master template
- * variable will cause the value (and the proposals) for the slave variables to
- * change.
- *
- * @see MultiVariable
- */
-public class MultiVariableGuess {
-
- /**
- * Implementation of the <code>ICompletionProposal</code> interface and
- * extension.
- */
- class Proposal implements ICompletionProposal,
- ICompletionProposalExtension2 {
-
- /** The string to be displayed in the completion proposal popup */
- private String fDisplayString;
-
- /** The replacement string */
- 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;
-
- /**
- * 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 Proposal(String replacementString, int replacementOffset,
- int replacementLength, int cursorPosition) {
- this(replacementString, replacementOffset, replacementLength,
- cursorPosition, 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 Proposal(String replacementString, int replacementOffset,
- int replacementLength, int cursorPosition, Image image,
- String displayString, IContextInformation contextInformation,
- 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;
- }
-
- /*
- * @see ICompletionProposal#apply(IDocument)
- */
- public void apply(IDocument document) {
- try {
- document.replace(fReplacementOffset, fReplacementLength,
- fReplacementString);
- } catch (BadLocationException x) {
- // ignore
- }
- }
-
- /*
- * @see ICompletionProposal#getSelection(IDocument)
- */
- public Point getSelection(IDocument document) {
- return new Point(fReplacementOffset + fCursorPosition, 0);
- }
-
- /*
- * @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;
- }
-
- /*
- * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#apply(org.eclipse.jface.text.ITextViewer,
- * char, int, int)
- */
- public void apply(ITextViewer viewer, char trigger, int stateMask,
- int offset) {
- apply(viewer.getDocument());
- }
-
- /*
- * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#selected(org.eclipse.jface.text.ITextViewer,
- * boolean)
- */
- public void selected(ITextViewer viewer, boolean smartToggle) {
- }
-
- /*
- * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#unselected(org.eclipse.jface.text.ITextViewer)
- */
- public void unselected(ITextViewer viewer) {
- }
-
- /*
- * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#validate(org.eclipse.jface.text.IDocument,
- * int, org.eclipse.jface.text.DocumentEvent)
- */
- public boolean validate(IDocument document, int offset,
- DocumentEvent event) {
- try {
- String content = document.get(fReplacementOffset,
- fReplacementLength);
- if (content.startsWith(fReplacementString))
- return true;
- } catch (BadLocationException e) {
- // ignore concurrently modified document
- }
- return false;
- }
- }
-
- private final List fSlaves = new ArrayList();
-
- private MultiVariable fMaster;
-
- /**
- * @param mv
- */
- public MultiVariableGuess(MultiVariable mv) {
- fMaster = mv;
- }
-
- /**
- * @param variable
- * @return
- */
- public ICompletionProposal[] getProposals(MultiVariable variable,
- int offset, int length) {
- if (variable.equals(fMaster)) {
- String[] choices = variable.getValues();
-
- ICompletionProposal[] ret = new ICompletionProposal[choices.length];
- for (int i = 0; i < ret.length; i++) {
- ret[i] = new Proposal(choices[i], offset, length, offset
- + length) {
-
- /*
- * @see org.eclipse.jface.text.link.MultiVariableGuess.Proposal#apply(org.eclipse.jface.text.IDocument)
- */
- public void apply(IDocument document) {
- super.apply(document);
-
- try {
- Object old = fMaster.getSet();
- fMaster.setSet(fReplacementString);
- if (!fReplacementString.equals(old)) {
- for (Iterator it = fSlaves.iterator(); it
- .hasNext();) {
- VariablePosition pos = (VariablePosition) it
- .next();
- String[] values = pos.getVariable()
- .getValues(fReplacementString);
- if (values != null)
- document.replace(pos.getOffset(), pos
- .getLength(), values[0]);
- }
- }
- } catch (BadLocationException e) {
- // ignore and continue
- }
-
- }
- };
- }
-
- return ret;
-
- } else {
-
- String[] choices = variable.getValues(fMaster.getSet());
-
- if (choices == null || choices.length < 2)
- return null;
-
- ICompletionProposal[] ret = new ICompletionProposal[choices.length];
- for (int i = 0; i < ret.length; i++) {
- ret[i] = new Proposal(choices[i], offset, length, offset
- + length);
- }
-
- return ret;
- }
- }
-
- /**
- * @param position
- */
- public void addSlave(VariablePosition position) {
- fSlaves.add(position);
- }
-
-}
git://secure.phpeclipse.com / phpeclipse.git / blobdiff