PullViewImpl.java

/*******************************************************************************
 * Copyright (c) 2012-2017 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.pull;

import org.eclipse.che.ide.ext.git.client.GitLocalizationConstant;
import org.eclipse.che.api.git.shared.Remote;
import org.eclipse.che.ide.ext.git.client.GitResources;
import org.eclipse.che.ide.ui.window.Window;

import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.Widget;
import com.google.inject.Inject;
import com.google.inject.Singleton;

import javax.validation.constraints.NotNull;
import java.util.List;

/**
 * The implementation of {@link PullView}.
 *
 * @author Andrey Plotnikov
 */
@Singleton
public class PullViewImpl extends Window implements PullView {
    interface PullViewImplUiBinder extends UiBinder<Widget, PullViewImpl> {
    }

    private static PullViewImplUiBinder ourUiBinder = GWT.create(PullViewImplUiBinder.class);

    @UiField
    ListBox repository;
    @UiField
    ListBox localBranch;
    @UiField
    ListBox remoteBranch;
    Button btnPull;
    Button btnCancel;
    @UiField(provided = true)
    final   GitResources            res;
    @UiField(provided = true)
    final   GitLocalizationConstant locale;
    private ActionDelegate          delegate;

    /**
     * Create view.
     *
     * @param resources
     * @param locale
     */
    @Inject
    protected PullViewImpl(GitResources resources, GitLocalizationConstant locale) {
        this.res = resources;
        this.locale = locale;
        this.ensureDebugId("git-remotes-pull-window");

        Widget widget = ourUiBinder.createAndBindUi(this);

        this.setTitle(locale.pullTitle());
        this.setWidget(widget);

        btnCancel = createButton(locale.buttonCancel(), "git-remotes-pull-cancel", new ClickHandler() {

            @Override
            public void onClick(ClickEvent event) {
                delegate.onCancelClicked();
            }
        });
        addButtonToFooter(btnCancel);

        btnPull = createButton(locale.buttonPull(), "git-remotes-pull-pull", new ClickHandler() {

            @Override
            public void onClick(ClickEvent event) {
                delegate.onPullClicked();
            }
        });
        addButtonToFooter(btnPull);
    }

    @Override
    protected void onEnterClicked() {
        if (isWidgetFocused(btnCancel)) {
            delegate.onCancelClicked();
            return;
        }

        if (isWidgetFocused(btnPull)) {
            delegate.onPullClicked();
        }
    }

    /** {@inheritDoc} */
    @NotNull
    @Override
    public String getRepositoryName() {
        int index = repository.getSelectedIndex();
        return index != -1 ? repository.getItemText(index) : "";
    }

    /** {@inheritDoc} */
    @NotNull
    @Override
    public String getRepositoryUrl() {
        int index = repository.getSelectedIndex();
        return repository.getValue(index);
    }

    /** {@inheritDoc} */
    @Override
    public void setRepositories(@NotNull List<Remote> repositories) {
        this.repository.clear();
        for (Remote repository : repositories) {
            this.repository.addItem(repository.getName(), repository.getUrl());
        }
    }

    /** {@inheritDoc} */
    @NotNull
    @Override
    public String getLocalBranch() {
        int index = localBranch.getSelectedIndex();
        return index != -1 ? localBranch.getItemText(index) : "";
    }

    /** {@inheritDoc} */
    @Override
    public void setLocalBranches(@NotNull List<String> branches) {
        this.localBranch.clear();
        for (String branch : branches) {
            this.localBranch.addItem(branch);
        }
    }

    /** {@inheritDoc} */
    @NotNull
    @Override
    public String getRemoteBranch() {
        int index = remoteBranch.getSelectedIndex();
        return index != -1 ? remoteBranch.getItemText(index) : "";
    }

    /** {@inheritDoc} */
    @Override
    public void setRemoteBranches(@NotNull List<String> branches) {
        this.remoteBranch.clear();
        for (String branch : branches) {
            this.remoteBranch.addItem(branch);
        }
    }

    /** {@inheritDoc} */
    @Override
    public void setEnablePullButton(final boolean enabled) {
        btnPull.setEnabled(enabled);
        Scheduler.get().scheduleDeferred(new Scheduler.ScheduledCommand() {
            @Override
            public void execute() {
                btnPull.setFocus(enabled);
            }
        });
    }

    /** {@inheritDoc} */
    @Override
    public void close() {
        this.hide();
    }

    /** {@inheritDoc} */
    @Override
    public void showDialog() {
        this.show();
    }

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

    @UiHandler("remoteBranch")
    public void onRemoteBranchValueChanged(ChangeEvent event) {
        delegate.onRemoteBranchChanged();
    }

    @UiHandler("repository")
    public void onRemoteRepositoryValueChanged(ChangeEvent event) {
        delegate.onRemoteRepositoryChanged();
    }

    /** {@inheritDoc} */
    @Override
    public void selectLocalBranch(String branch) {
        for (int i = 0; i < localBranch.getItemCount(); i++) {
            if (localBranch.getValue(i).equals(branch)) {
                localBranch.setItemSelected(i, true);
                break;
            }
        }
    }

    /** {@inheritDoc} */
    @Override
    public void selectRemoteBranch(String branch) {
        for (int i = 0; i < remoteBranch.getItemCount(); i++) {
            if (remoteBranch.getValue(i).equals(branch)) {
                remoteBranch.setItemSelected(i, true);
                delegate.onRemoteBranchChanged();
                break;
            }
        }
    }

}