org.eclipse.babel.tapiji.tools.java.ui/src/org/eclipse/babel/tapiji/tools/java/ui/autocompletion/NewResourceBundleEntryProposal.java

/*******************************************************************************
 * Copyright (c) 2012 Martin Reiterer.
 * 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:
 *     Martin Reiterer - initial API and implementation
 ******************************************************************************/
package org.eclipse.babel.tapiji.tools.java.ui.autocompletion;

import org.eclipse.babel.tapiji.tools.core.Logger;
import org.eclipse.babel.tapiji.tools.core.ui.ResourceBundleManager;
import org.eclipse.babel.tapiji.tools.core.ui.dialogs.CreateResourceBundleEntryDialog;
import org.eclipse.babel.tapiji.tools.core.ui.dialogs.CreateResourceBundleEntryDialog.DialogConfiguration;
import org.eclipse.babel.tapiji.tools.java.ui.util.ASTutilsUI;
import org.eclipse.core.resources.IResource;
import org.eclipse.jdt.ui.text.java.IJavaCompletionProposal;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.contentassist.IContextInformation;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;

public class NewResourceBundleEntryProposal implements IJavaCompletionProposal {

    private int startPos;
    private int endPos;
    private String value;
    private boolean bundleContext;
    private String projectName;
    private IResource resource;
    private String bundleName;
    private String reference;

    public NewResourceBundleEntryProposal(IResource resource, int startPos,
            int endPos, String value, boolean isStringLiteral,
            boolean bundleContext, String projectName, String bundleName) {

        this.startPos = startPos;
        this.endPos = endPos;
        this.value = value;
        this.bundleContext = bundleContext;
        this.projectName = projectName;
        this.resource = resource;
        this.bundleName = bundleName;
    }

    @Override
    public void apply(IDocument document) {

        CreateResourceBundleEntryDialog dialog = new CreateResourceBundleEntryDialog(
                Display.getDefault().getActiveShell());

        DialogConfiguration config = dialog.new DialogConfiguration();
        config.setPreselectedKey(bundleContext ? value : "");
        config.setPreselectedMessage(value);
        config.setPreselectedBundle(bundleName == null ? "" : bundleName);
        config.setPreselectedLocale("");
        config.setProjectName(projectName);

        dialog.setDialogConfiguration(config);

        if (dialog.open() != InputDialog.OK) {
            return;
        }

        String resourceBundleId = dialog.getSelectedResourceBundle();
        String key = dialog.getSelectedKey();

        try {
            if (!bundleContext) {
                reference = ASTutilsUI.insertNewBundleRef(document, resource,
                        startPos, endPos - startPos, resourceBundleId, key);
            } else {
                document.replace(startPos, endPos - startPos, key);
                reference = key + "\"";
            }
            ResourceBundleManager.rebuildProject(resource);
        } catch (Exception e) {
            Logger.logError(e);
        }
    }

    @Override
    public String getAdditionalProposalInfo() {
        if (value != null && value.length() > 0) {
            return "Exports the focused string literal into a Java Resource-Bundle. This action results "
                    + "in a Resource-Bundle reference!";
        } else {
            return "";
        }
    }

    @Override
    public IContextInformation getContextInformation() {
        return null;
    }

    @Override
    public String getDisplayString() {
        String displayStr = "";
        if (bundleContext) {
            displayStr = "Create a new resource-bundle-entry";
        } else {
            displayStr = "Create a new localized string literal";
        }

        if (value != null && value.length() > 0) {
            displayStr += " for '" + value + "'";
        }

        return displayStr;
    }

    @Override
    public Image getImage() {
        return PlatformUI.getWorkbench().getSharedImages()
                .getImageDescriptor(ISharedImages.IMG_OBJ_ADD).createImage();
    }

    @Override
    public Point getSelection(IDocument document) {
        int refLength = reference == null ? 0 : reference.length() - 1;
        return new Point(startPos + refLength, 0);
    }

    @Override
    public int getRelevance() {
        if (this.value.trim().length() == 0) {
            return 96;
        } else {
            return 1096;
        }
    }

}