ProjectWizardViewImpl.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.projecttype.wizard.presenter;

import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Style;
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.user.client.ui.Button;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.inject.Inject;

import org.eclipse.che.ide.CoreLocalizationConstant;
import org.eclipse.che.ide.api.mvp.Presenter;
import org.eclipse.che.ide.api.project.type.wizard.ProjectWizardMode;
import org.eclipse.che.ide.ui.window.Window;

import static org.eclipse.che.ide.api.project.type.wizard.ProjectWizardMode.CREATE;
import static org.eclipse.che.ide.api.project.type.wizard.ProjectWizardMode.UPDATE;

/**
 * @author Evgen Vidolob
 * @author Oleksii Orel
 */
public class ProjectWizardViewImpl extends Window implements ProjectWizardView {
    private static ProjectWizardViewImplUiBinder ourUiBinder = GWT.create(ProjectWizardViewImplUiBinder.class);

    private final CoreLocalizationConstant locale;
    @UiField
    SimplePanel wizardPanel;
    Button nextStepButton;
    Button previousStepButton;
    Button saveButton;

    private boolean        isCreatingNewProject;
    private ActionDelegate delegate;

    @Inject
    public ProjectWizardViewImpl(org.eclipse.che.ide.Resources resources, CoreLocalizationConstant coreLocalizationConstant) {
        this.locale = coreLocalizationConstant;
        setTitle(coreLocalizationConstant.projectWizardDefaultTitleText());
        setWidget(ourUiBinder.createAndBindUi(this));

        saveButton = createPrimaryButton(locale.projectWizardDefaultSaveButtonText(), "projectWizard-saveButton", new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                delegate.onSaveClicked();
            }
        });
        saveButton.addStyleName(resources.Css().buttonLoader());
        addButtonToFooter(saveButton);

        nextStepButton = createButton(locale.next(), "projectWizard-nextStepButton", new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                delegate.onNextClicked();
            }
        });
        addButtonToFooter(nextStepButton);

        previousStepButton = createButton(locale.back(), "projectWizard-previousStepButton", new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                delegate.onBackClicked();
            }
        });
        addButtonToFooter(previousStepButton);

        this.ensureDebugId("projectWizard-window");

        getWidget().getElement().getStyle().setPadding(0, Style.Unit.PX);
    }

    @Override
    public void setLoaderVisibility(boolean visible) {
        if (visible) {
            saveButton.setHTML("<i></i>");
            saveButton.setEnabled(false);
        } else {
            if (isCreatingNewProject) {
                saveButton.setText(locale.projectWizardDefaultSaveButtonText());
            } else {
                saveButton.setText(locale.projectWizardSaveButtonText());
            }
            saveButton.setEnabled(true);
        }
    }

    @Override
    public void showPage(Presenter presenter) {
        presenter.go(wizardPanel);
    }

    @Override
    public void showDialog(ProjectWizardMode wizardMode) {
        this.isCreatingNewProject = wizardMode == CREATE;

        if (wizardMode == CREATE) {
            setTitle(locale.projectWizardDefaultTitleText());
            saveButton.setText(locale.projectWizardDefaultSaveButtonText());
        } else if (wizardMode == UPDATE) {
            setTitle(locale.projectWizardTitleText());
            saveButton.setText(locale.projectWizardSaveButtonText());
        }

        show();
    }

    @Override
    protected void onEnterClicked() {
        if (isWidgetFocused(saveButton)) {
            delegate.onSaveClicked();
            return;
        }

        if (isWidgetFocused(nextStepButton)) {
            delegate.onNextClicked();
            return;
        }

        if (isWidgetFocused(previousStepButton)) {
            delegate.onBackClicked();
            return;
        }

        if (nextStepButton.isEnabled()) {
            delegate.onNextClicked();
            return;
        }

        if (saveButton.isEnabled()) {
            delegate.onSaveClicked();
        }
    }

    @Override
    public void close() {
        hide();
        setLoaderVisibility(false);
    }

    @Override
    public void setNextButtonEnabled(boolean enabled) {
        nextStepButton.setEnabled(enabled);
    }

    @Override
    public void setFinishButtonEnabled(boolean enabled) {
        saveButton.setEnabled(enabled);
    }

    @Override
    public void setPreviousButtonEnabled(boolean enabled) {
        previousStepButton.setEnabled(enabled);
    }

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

    @Override
    public Widget asWidget() {
        return null;
    }

    @Override
    protected void onClose() {
        delegate.onCancelClicked();
    }

    interface ProjectWizardViewImplUiBinder extends UiBinder<FlowPanel, ProjectWizardViewImpl> {
    }
}