GitOutputPartViewImpl.java

/*******************************************************************************
 * Copyright (c) 2012-2016 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 org.eclipse.che.ide.ext.git.client.outputconsole;

import org.eclipse.che.ide.api.parts.PartStackUIResources;

import com.google.gwt.safehtml.shared.SimpleHtmlSanitizer;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.inject.Inject;

import org.eclipse.che.ide.ext.git.client.GitLocalizationConstant;
import org.eclipse.che.ide.ui.button.ConsoleButton;
import org.eclipse.che.ide.ui.button.ConsoleButtonFactory;
import org.vectomatic.dom.svg.ui.SVGResource;

import javax.validation.constraints.NotNull;


/**
 * Implements {@link GitOutputPartView}.
 *
 * @author Andrey Plotnikov
 */

public class GitOutputPartViewImpl extends Composite implements GitOutputPartView {

    private final ConsoleButtonFactory consoleButtonFactory;

    interface GitOutputPartViewImplUiBinder extends UiBinder<Widget, GitOutputPartViewImpl> {
    }

    private static final String INFO_COLOR    = "lightgreen";
    private static final String WARNING_COLOR = "cyan";
    private static final String ERROR_COLOR   = "#F62217";

    private ActionDelegate delegate;

    @UiField
    FlowPanel buttons;

    @UiField
    FlowPanel consoleArea;

    @UiField
    ScrollPanel scrollPanel;

    @Inject
    public GitOutputPartViewImpl(GitLocalizationConstant constant,
                                 PartStackUIResources resources,
                                 GitOutputPartViewImplUiBinder uiBinder,
                                 ConsoleButtonFactory consoleButtonFactory) {
        this.consoleButtonFactory = consoleButtonFactory;
        initWidget(uiBinder.createAndBindUi(this));

        ConsoleButton.ActionDelegate scrollBottomDelegate = new ConsoleButton.ActionDelegate() {
            @Override
            public void onButtonClicked() {
                delegate.onScrollClicked();
            }
        };
        createButton(resources.arrowBottom(), constant.buttonScroll(), scrollBottomDelegate);

        ConsoleButton.ActionDelegate cleanDelegate = new ConsoleButton.ActionDelegate() {
            @Override
            public void onButtonClicked() {
                delegate.onClearClicked();
            }
        };
        createButton(resources.erase(), constant.buttonClear(), cleanDelegate);
    }

    /** {@inheritDoc} */
    @Override
    public void print(String text) {
        String preStyle = " style='margin:0px; font-size: 12px;' ";

        HTML html = new HTML();

        String TEXT = text.toUpperCase();
        if (TEXT.startsWith("[INFO]")) {
            html.setHTML("<pre" + preStyle + ">[<span style='color:" + INFO_COLOR + ";'><b>INFO</b></span>] " +
                         SimpleHtmlSanitizer.sanitizeHtml(text.substring(6)).asString() + "</pre>");

        } else if (TEXT.startsWith("[ERROR]")) {
            html.setHTML("<pre" + preStyle + ">[<span style='color:" + ERROR_COLOR + ";'><b>ERROR</b></span>] " +
                         SimpleHtmlSanitizer.sanitizeHtml(text.substring(7)).asString() + "</pre>");

        } else if (TEXT.startsWith("[WARNING]")) {
            html.setHTML("<pre" + preStyle + ">[<span style='color:" + WARNING_COLOR + ";'><b>WARNING</b></span>] " +
                         SimpleHtmlSanitizer.sanitizeHtml(text.substring(9)).asString() + "</pre>");

        } else {
            html.setHTML("<pre" + preStyle + ">" + SimpleHtmlSanitizer.sanitizeHtml(text).asString() + "</pre>");
        }

        html.getElement().setAttribute("style", "padding-left: 2px;");
        consoleArea.add(html);
    }

    @Override
    public void print(String text, String color) {
        String preStyle = " style='margin:0px; font-size: 12px;' ";

        HTML html = new HTML();
        html.setHTML("<pre" + preStyle + "><span style='color:" + SimpleHtmlSanitizer.sanitizeHtml(color).asString() +
                     ";'>" + SimpleHtmlSanitizer.sanitizeHtml(text).asString() + "</span></pre>");

        html.getElement().setAttribute("style", "padding-left: 2px;");
        consoleArea.add(html);
    }

    @Override
    public void printInfo(String text) {
        print(text, INFO_COLOR);
    }

    @Override
    public void printWarn(String text) {
        print(text, WARNING_COLOR);
    }

    @Override
    public void printError(String text) {
        print(text, ERROR_COLOR);
    }

    /** {@inheritDoc} */
    @Override
    public void clear() {
        consoleArea.clear();
    }

    /** {@inheritDoc} */
    @Override
    public void scrollBottom() {
        scrollPanel.getElement().setScrollTop(scrollPanel.getElement().getScrollHeight());
    }

    @Override
    public void setDelegate(ActionDelegate delegate) {
        this.delegate = delegate;
    }

    @NotNull
    private void createButton(@NotNull SVGResource icon,
                              @NotNull String prompt,
                              @NotNull ConsoleButton.ActionDelegate delegate) {
        ConsoleButton button = consoleButtonFactory.createConsoleButton(prompt, icon);
        button.setDelegate(delegate);

        buttons.add(button);
    }

}