com.codenvy.ide.ext.java.client.documentation.QuickDocPresenter.java Source code

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Here is the source code for com.codenvy.ide.ext.java.client.documentation.QuickDocPresenter.java

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/*******************************************************************************
 * Copyright (c) 2012-2015 Codenvy, S.A.
 * 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:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package com.codenvy.ide.ext.java.client.documentation;

import com.codenvy.ide.api.app.AppContext;
import com.codenvy.ide.api.editor.EditorAgent;
import com.codenvy.ide.api.editor.EditorPartPresenter;
import com.codenvy.ide.ext.java.client.editor.JavaParserWorker;
import com.codenvy.ide.jseditor.client.position.PositionConverter;
import com.codenvy.ide.jseditor.client.texteditor.EmbeddedTextEditorPresenter;
import com.codenvy.ide.util.loging.Log;
import com.google.gwt.http.client.URL;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import com.google.inject.name.Named;

/**
 * @author Evgen Vidolob
 */
@Singleton
public class QuickDocPresenter implements QuickDocumentation, QuickDocView.ActionDelegate {

    private QuickDocView view;
    private AppContext appContext;
    private String caContext;
    private EditorAgent editorAgent;
    private JavaParserWorker worker;

    @Inject
    public QuickDocPresenter(QuickDocView view, AppContext appContext, @Named("javaCA") String caContext,
            EditorAgent editorAgent, JavaParserWorker worker) {
        this.view = view;
        this.appContext = appContext;
        this.caContext = caContext;
        this.editorAgent = editorAgent;
        this.worker = worker;
    }

    @Override
    public void showDocumentation() {
        EditorPartPresenter activeEditor = editorAgent.getActiveEditor();
        if (activeEditor == null) {
            return;
        }

        if (!(activeEditor instanceof EmbeddedTextEditorPresenter)) {
            Log.error(getClass(), "Quick Document support only EmbeddedTextEditorPresenter as editor");
            return;
        }

        EmbeddedTextEditorPresenter editor = ((EmbeddedTextEditorPresenter) activeEditor);
        int offset = editor.getCursorOffset();
        final PositionConverter.PixelCoordinates coordinates = editor.getPositionConverter().offsetToPixel(offset);

        worker.computeJavadocHandle(offset, editor.getEditorInput().getFile().getPath(),
                new JavaParserWorker.Callback<String>() {
                    @Override
                    public void onCallback(String result) {
                        if (result != null) {
                            result = URL.encodeQueryString(result);
                            view.show(
                                    caContext + "/javadoc/" + appContext.getWorkspace().getId() + "/find?fqn="
                                            + result + "&projectpath="
                                            + appContext.getCurrentProject().getProjectDescription().getPath(),
                                    coordinates.getX(), coordinates.getY() + 16);
                        }
                    }
                });
    }

    @Override
    public void onCloseView() {

    }
}