Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-after / ui / org / eclipse / jdt / internal / ui / text / javadoc / JavadocContentAssistInvocationContext.java

/*******************************************************************************
 * Copyright (c) 2005, 2011 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.ui.text.javadoc;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.eclipse.swt.graphics.Point;

import org.eclipse.core.resources.IFile;

import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.contentassist.ICompletionProposal;

import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.part.FileEditorInput;

import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.JavaModelException;

import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jdt.ui.text.java.IJavaCompletionProposal;
import org.eclipse.jdt.ui.text.java.IJavadocCompletionProcessor;
import org.eclipse.jdt.ui.text.java.JavaContentAssistInvocationContext;


/**
 *
 * @since 3.2
 */
public final class JavadocContentAssistInvocationContext extends JavaContentAssistInvocationContext {

	private final int fFlags;

	/**
	 * @param viewer
	 * @param offset
	 * @param editor
	 * @param flags see {@link org.eclipse.jdt.ui.text.java.IJavadocCompletionProcessor#RESTRICT_TO_MATCHING_CASE}
	 */
	public JavadocContentAssistInvocationContext(ITextViewer viewer, int offset, IEditorPart editor, int flags) {
		super(viewer, offset, editor);
		fFlags= flags;
	}

	/**
	 * Returns the flags for this content assist invocation.
	 *
	 * @return the flags for this content assist invocation
	 * @see org.eclipse.jdt.ui.text.java.IJavadocCompletionProcessor#RESTRICT_TO_MATCHING_CASE
	 */
	public int getFlags() {
		return fFlags;
	}

	/**
	 * Returns the selection length of the viewer.
	 *
	 * @return the selection length of the viewer
	 */
	public int getSelectionLength() {
		return getViewer().getSelectedRange().y;
	}

	/*
	 * @see org.eclipse.jface.text.contentassist.TextContentAssistInvocationContext#equals(java.lang.Object)
	 */
	@Override
	public boolean equals(Object obj) {
		if (!super.equals(obj))
			return false;

		return fFlags == ((JavadocContentAssistInvocationContext) obj).fFlags;
	}

	/*
	 * @see org.eclipse.jface.text.contentassist.TextContentAssistInvocationContext#hashCode()
	 */
	@Override
	public int hashCode() {
		return super.hashCode() << 2 | fFlags;
	}

	public List<ICompletionProposal> generated_3719129671907519056(HTMLTagCompletionProposalComputer htmltagcompletionproposalcomputer) {
		int flags= getFlags();
		htmltagcompletionproposalcomputer.fCurrentPos= getInvocationOffset();
		htmltagcompletionproposalcomputer.fCurrentLength= getSelectionLength();
		htmltagcompletionproposalcomputer.fRestrictToMatchingCase= (flags & IJavadocCompletionProcessor.RESTRICT_TO_MATCHING_CASE) != 0;
	
		ICompilationUnit cu= getCompilationUnit();
		if (cu == null)
			return Collections.emptyList();
		IEditorInput editorInput= new FileEditorInput((IFile) cu.getResource());
		htmltagcompletionproposalcomputer.fDocument= JavaUI.getDocumentProvider().getDocument(editorInput);
		if (htmltagcompletionproposalcomputer.fDocument == null) {
			return null;
		}
	
		try {
			htmltagcompletionproposalcomputer.fResult= new ArrayList<ICompletionProposal>(100);
			htmltagcompletionproposalcomputer.evalProposals();
			return htmltagcompletionproposalcomputer.fResult;
		} catch (JavaModelException e) {
			htmltagcompletionproposalcomputer.fErrorMessage= e.getLocalizedMessage();
		} finally {
			htmltagcompletionproposalcomputer.fResult= null;
		}
		return null;
	}

	public ArrayList<ICompletionProposal> generated_8004475765966742722(LegacyJavadocCompletionProposalComputer legacyjavadoccompletionproposalcomputer) {
		ICompilationUnit cu= getCompilationUnit();
		int offset= getInvocationOffset();
		int length= getSelectionLength();
		Point selection= getViewer().getSelectedRange();
		if (selection.y > 0) {
			offset= selection.x;
			length= selection.y;
		}
	
		ArrayList<ICompletionProposal> result= new ArrayList<ICompletionProposal>();
	
		IJavadocCompletionProcessor[] processors= legacyjavadoccompletionproposalcomputer.getContributedProcessors();
		for (int i= 0; i < processors.length; i++) {
			IJavadocCompletionProcessor curr= processors[i];
			IJavaCompletionProposal[] proposals= curr.computeCompletionProposals(cu, offset, length, getFlags());
			if (proposals != null) {
				for (int k= 0; k < proposals.length; k++) {
					result.add(proposals[k]);
				}
			}
		}
		return result;
	}

}