io.mateu.mdd.vaadin.components.views.WizardComponent Maven / Gradle / Ivy

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package io.mateu.mdd.vaadin.components.views;

import com.vaadin.event.ShortcutAction;
import com.vaadin.icons.VaadinIcons;
import com.vaadin.ui.Button;
import io.mateu.mdd.core.app.AbstractAction;
import io.mateu.mdd.core.app.MDDRunnableAction;
import io.mateu.mdd.core.interfaces.WizardPage;
import io.mateu.mdd.core.ui.MDDUIAccessor;
import io.mateu.util.Helper;
import io.mateu.util.notification.Notifier;
import lombok.extern.slf4j.Slf4j;

import java.util.ArrayList;
import java.util.List;

@Slf4j
public class WizardComponent extends EditorViewComponent {

    private List stack = new ArrayList<>();
    private WizardPage currentPage = null;

    @Override
    public VaadinIcons getIcon() {
        return VaadinIcons.ELLIPSIS_DOTS_H; //STEP_FORWARD;

    }

    public WizardComponent(WizardPage page) {
        super(page.getClass());
        setPage(page);
    }

    @Override
    public List getActions() {
        List l = new ArrayList<>();

        l.add(new MDDRunnableAction("Prev") {

            @Override
            public void addShortCut(Button b) {
                b.setClickShortcut(ShortcutAction.KeyCode.ARROW_LEFT, ShortcutAction.ModifierKey.CTRL, ShortcutAction.ModifierKey.ALT);
            }

            @Override
            public void run() {
                WizardPage prevPage = stack.remove(0);
                currentPage = null;
                try {
                    setPage(prevPage);
                } catch (Exception e1) {
                    Notifier.alert(e1);
                }
            }

            @Override
            public boolean isVisible() {
                return stack.size() > 0;
            }

        }.setIcon(VaadinIcons.STEP_BACKWARD).setFluentId("wizardprev"));

        l.add(new MDDRunnableAction("Next") {

            @Override
            public void addShortCut(Button b) {
                b.setClickShortcut(ShortcutAction.KeyCode.ARROW_RIGHT, ShortcutAction.ModifierKey.CTRL, ShortcutAction.ModifierKey.ALT);
            }

            @Override
            public void run() {
                if (validate()) {
                    WizardPage nextPage = currentPage.getNext();
                    try {
                        setPage(nextPage);
                    } catch (Exception e1) {
                        Notifier.alert(e1);
                    }
                }
            }

            @Override
            public boolean isVisible() {
                return currentPage.hasNext();
            }

        }.setIcon(VaadinIcons.STEP_FORWARD).setFluentId("wizardnext"));

        l.add(new MDDRunnableAction(currentPage.getOkCaption()) {

            @Override
            public void addShortCut(Button b) {
                b.setClickShortcut(ShortcutAction.KeyCode.ENTER, ShortcutAction.ModifierKey.CTRL, ShortcutAction.ModifierKey.ALT);
            }

            @Override
            public void run() {
                if (validate()) {
                    try {

                        currentPage.onOk();

                        if (currentPage.backOnOk()) MDDUIAccessor.goBack();

                    } catch (Throwable throwable) {
                        Notifier.alert(throwable);
                    }
                }
            }

            @Override
            public boolean isVisible() {
                return !currentPage.hasNext();
            }

        }.setIcon(VaadinIcons.CHECK).setFluentId("wizarddone"));

        l.add(new MDDRunnableAction(currentPage.getOkAndStayCaption()) {

            @Override
            public void addShortCut(Button b) {
                b.setClickShortcut(ShortcutAction.KeyCode.ENTER, ShortcutAction.ModifierKey.CTRL);
            }

            @Override
            public void run() {
                if (validate()) {
                    try {

                        currentPage.onOk();

                        Notifier.info("Done");

                    } catch (Throwable throwable) {
                        Notifier.alert(throwable);
                    }
                }
            }

            @Override
            public boolean isVisible() {
                return !currentPage.hasNext() && currentPage.backOnOk();
            }

        }.setIcon(VaadinIcons.CHECK_CIRCLE).setFluentId("wizarddonealt"));

        l.addAll(super.getActions());

        return l;
    }

    private void setPage(WizardPage page) {
        if (currentPage != null) stack.add(0, currentPage);
        currentPage = page;

        setModel(page);

        MDDUIAccessor.updateTitle(Helper.capitalize(currentPage.getClass().getSimpleName()));
    }

    @Override
    public String toString() {
        return Helper.capitalize(currentPage.getClass().getSimpleName());
    }

}